Integrating molecular tools and conventional approaches in the Oregon State University hazelnut breeding program

Treesearch

Shawn A. Mehlenbacher

2012-01-01

The Oregon State University (OSU) hazelnut breeding program, initiated in 1969, continues to develop new cultivars for the hazelnut industry that combine suitability to the blanched kernel market with resistance to eastern filbert blight (EFB) caused by Anisogramma anomala. Oregon's hazelnut growers support the program through the Oregon...

Application of ¹H NMR for the characterisation and authentication of ''Tonda Gentile Trilobata" hazelnuts from Piedmont (Italy).

PubMed

Caligiani, Augusta; Coisson, Jean Daniel; Travaglia, Fabiano; Acquotti, Domenico; Palla, Gerardo; Palla, Luigi; Arlorio, Marco

2014-04-01

The Italian hazelnut (Corylus avellana L.) cultivar "Tonda Gentile Trilobata" (TGT) is covered by protected geographical indication "Nocciola Piemonte" and is well-known as the best-suited hazelnut for the industrial transformation into roasted kernel. The hazelnut cultivar identification is primarily based on morphological characteristics, so there is the need for more objective analytical methods for high quality hazelnut authentication. This study reports the (1)H NMR fingerprinting of raw and roasted hazelnut, with the aim of obtaining hazelnut classification based on their spectroscopic pattern. (1)H NMR analyses were carried out on polar extracts of TGT and other cultivars: the data were analysed with multivariate statistical methods. Results showed that (1)H NMR combined with chemometrics is useful to characterise the hazelnuts as a function of the cultivars, both on raw and roasted form. The classification models allowed identifying molecular markers useful to distinguish TGT from other types, among these trigonelline, amino acids and an unidentified orto-disubstituted aromatic compound. Copyright © 2013 Elsevier Ltd. All rights reserved.

Cor a 14 is the superior serological marker for hazelnut allergy in children, independent of concomitant peanut allergy.

PubMed

Eller, E; Mortz, C G; Bindslev-Jensen, C

2016-04-01

Hazelnut is the most frequent cause of tree nut allergy, but up to half of all children with hazelnut allergy additionally suffer from peanut allergy. Our aim was to identify diagnostic values of the most promising serological markers (Cor a 9 and Cor a 14) and to address the influence of concomitant peanut allergy and PR10 sensitization. We included 155 children suspected of hazelnut allergy and challenged according to the guidelines. Concomitant allergy to peanuts was verified or ruled out by challenge. Skin prick test, s-IgE and CRD to hazelnut, peanut, PR10 and LPT protein families were measured using ImmunoCAP. Sixty-five children had a positive hazelnut challenge, and 60% of these also had a concomitant peanut allergy. Children allergic to hazelnut were sensitized to Cor a 9 and Cor a 14; peanut-allergic children were sensitized to Ara h 2. Sensitization to PR10 protein components was seen in 45% of all included children, irrelevant to allergy to peanut or hazelnut. A cut-off >0.72 kU/L of IgE towards Cor a 14 diagnosed 87% correctly, making Cor a 14 the superior serology marker. However, nine hazelnut-allergic children were primarily sensitized to Cor a 9. Concomitant peanut allergy is common in hazelnut-allergic children, but decision points as well as diagnostic values for Cor a 14 are not affected. We found three independent and well-characterized serotypes; hazelnut-allergic children were sensitized to Cor a 14, peanut-allergic children were sensitized to Ara h 2, and independently of this were children sensitized to birch pollen (Bet v 1). © 2015 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

7 CFR 982.467 - Report of receipts and dispositions of hazelnuts grown outside the United States.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 7 Agriculture 8 2010-01-01 2010-01-01 false Report of receipts and dispositions of hazelnuts grown... Regulations § 982.467 Report of receipts and dispositions of hazelnuts grown outside the United States. Each handler who receives hazelnuts grown outside the United States shall report to the Board monthly on F/H...

7 CFR 982.467 - Report of receipts and dispositions of hazelnuts grown outside the United States.

Code of Federal Regulations, 2011 CFR

2011-01-01

... 7 Agriculture 8 2011-01-01 2011-01-01 false Report of receipts and dispositions of hazelnuts grown... Regulations § 982.467 Report of receipts and dispositions of hazelnuts grown outside the United States. Each handler who receives hazelnuts grown outside the United States shall report to the Board monthly on F/H...

Commercial lateral flow devices for rapid detection of peanut (Arachis hypogaea) and hazelnut (Corylus avellana) cross-contamination in the industrial production of cookies.

PubMed

Röder, Martin; Vieths, Stefan; Holzhauser, Thomas

2009-09-01

Lateral flow devices (LFDs) are qualitative immunochromatographic tests for the rapid and specific detection of target analytes. We investigated commercially available LFDs for their ability to detect potentially allergenic peanut and hazelnut in raw cookie dough and chocolate, two important food matrices in the industrial production of cookies. Each three commercial LFDs for the detection of hazelnut and peanut were performed according to the manufacturers' instructions. All LFDs had comparably satisfactory specificity that was investigated with a variety of characteristic foods and food ingredients used in the production of cookies. In concordance with hazelnut-specific enzyme-linked immunosorbent assays (ELISAs), walnut was the most cross-reactive food for hazelnut-specific LFD. The sensitivity was verified in raw cookie doughs and chocolates that were either spiked with peanut or hazelnut between 1 and 25 mg/kg, respectively. Two hazelnut-specific LFDs detected hazelnut at a level of 3.5 mg/kg in both matrices, whereas the third LFD detected hazelnut at a level of 3.9 mg/kg in dough and 12.5 mg/kg in chocolate. Two peanut-specific LFDs detected peanut at a level of 1 mg/kg in both matrices. The third LFD detected peanut at a level of 14.2 mg/kg in chocolate and 4 mg/kg in dough. In conclusion, specific and sensitive LFD were identified for each hazelnut and peanut, having a level of sensitivity that is comparable to commercial ELISA for the investigated matrices. Such sensitive, specific, and rapid tests are useful analytical tools for allergen screening and sanitation in the industrial manufacture of foods.

Solid-phase microextraction method for the determination of hexanal in hazelnuts as an indicator of the interaction of active packaging materials with food aroma compounds.

PubMed

Pastorelli, S; Valzacchi, S; Rodriguez, A; Simoneau, C

2006-11-01

Fatty foods are susceptible to lipid oxidation resulting in deterioration of product quality due to the generation of off-flavours. Hexanal is a good indicator of rancidity. Therefore, a method based on solid-phase microextraction (SPME) coupled to gas chromatograph with flame ionization detection was developed to determine hexanal formation in hazelnuts during storage. Optimum conditions were as follows: carboxen-polydimethylsiloxane 75 microm fibre, extraction time 10 min, equilibrium time 10 min and equilibrium temperature 60 degrees C. The effect of oxygen scavengers on the oxidation process was also evaluated by measuring hexanal formation in hazelnuts stored with/without oxygen absorber sachets. Oxygen scavengers were shown to reduce oxidation; however, analysis of the sachet revealed that other volatile compounds from the headspace were also absorbed.

Extensive Field Survey, Laboratory and Greenhouse Studies Reveal Complex Nature of Pseudomonas syringae-Associated Hazelnut Decline in Central Italy

PubMed Central

Lamichhane, Jay Ram; Bartoli, Claudia; Varvaro, Leonardo

2016-01-01

Pseudomonas avellanae (Pav) has been reported as the causal agent of bacterial decline and bacterial canker of hazelnut in Italy and Greece, respectively. Both hazelnut diseases were reported to be similar in terms of symptoms, severity and persistence. In this study, we found that both symptomatic and asymptomatic trees in the field were colonized by Pav. Multilocus Sequence Typing (MLST) analysis showed that Pav strains isolated during this study in Italy belong to the P. syringae phylogroup 1 and they are closely related to Pav strains previously isolated in Greece from hazelnut bacterial canker. On the other hand, strains isolated in earlier studies from hazelnut decline in Italy belong to both phylogroup 1 and 2 of P. syringae. Both phylogroup 1 strains of P. syringae from Greece and Italy are different than strains isolated in this study in terms of their capacity to excrete fluorescent pigments on different media. Despite the same plant genotype and cropping practices adopted, the incidence of hazelnut decline ranged from nearly 0 to 91% across our study sites. No disease developed on plants inoculated with Pav through wounding while leaf scar inoculations produced only mild disease symptoms. Based on our results and the previously reported correlation between pedo-climatic conditions and hazelnut decline, we conclude that hazelnut decline in central Italy could be incited by a combination of predisposing (adverse pedo-climatic conditions) and contributing factors (Pav). Because this is a true decline different from “bacterial canker” described in Greece, we refer to it as hazelnut decline (HD). PMID:26840951

Extensive Field Survey, Laboratory and Greenhouse Studies Reveal Complex Nature of Pseudomonas syringae-Associated Hazelnut Decline in Central Italy.

PubMed

Lamichhane, Jay Ram; Bartoli, Claudia; Varvaro, Leonardo

2016-01-01

Pseudomonas avellanae (Pav) has been reported as the causal agent of bacterial decline and bacterial canker of hazelnut in Italy and Greece, respectively. Both hazelnut diseases were reported to be similar in terms of symptoms, severity and persistence. In this study, we found that both symptomatic and asymptomatic trees in the field were colonized by Pav. Multilocus Sequence Typing (MLST) analysis showed that Pav strains isolated during this study in Italy belong to the P. syringae phylogroup 1 and they are closely related to Pav strains previously isolated in Greece from hazelnut bacterial canker. On the other hand, strains isolated in earlier studies from hazelnut decline in Italy belong to both phylogroup 1 and 2 of P. syringae. Both phylogroup 1 strains of P. syringae from Greece and Italy are different than strains isolated in this study in terms of their capacity to excrete fluorescent pigments on different media. Despite the same plant genotype and cropping practices adopted, the incidence of hazelnut decline ranged from nearly 0 to 91% across our study sites. No disease developed on plants inoculated with Pav through wounding while leaf scar inoculations produced only mild disease symptoms. Based on our results and the previously reported correlation between pedo-climatic conditions and hazelnut decline, we conclude that hazelnut decline in central Italy could be incited by a combination of predisposing (adverse pedo-climatic conditions) and contributing factors (Pav). Because this is a true decline different from "bacterial canker" described in Greece, we refer to it as hazelnut decline (HD).

Isolation, cloning, and characterization of the 2S albumin: a new allergen from hazelnut.

PubMed

Garino, Cristiano; Zuidmeer, Laurian; Marsh, Justin; Lovegrove, Alison; Morati, Maria; Versteeg, Serge; Schilte, Piet; Shewry, Peter; Arlorio, Marco; van Ree, Ronald

2010-09-01

2S albumins are the major allergens involved in severe food allergy to nuts, seeds, and legumes. We aimed to isolate, clone, and express 2S albumin from hazelnut and determine its allergenicity. 2S albumin from hazelnut extract was purified using size exclusion chromatography and RP-HPLC. After N-terminal sequencing, degenerated and poly-d(T) primers were used to clone the 2S albumin sequence from hazelnut cDNA. After expression in Escherichia coli and affinity purification, IgE reactivity was evaluated by Immunoblot/ImmunoCAP (inhibition) analyses using sera of nut-allergic patients. N-terminal sequencing of a approximately 10 kDa peak from size exclusion chromatography/RP-HPLC gave two sequences highly homologous to pecan 2S albumin, an 11 amino acid (aa) N-terminal and a 10 aa internal peptide. The obtained clone (441 bp) encoded a 147 aa hazelnut 2S albumin consisting of a putative signal peptide (22 aa), a linker peptide (20 aa), and the mature protein sequence (105 aa). The latter was successfully expressed in E. coli. Both recombinant and natural 2S albumin demonstrated similar IgE reactivity in Immunoblot/ImmunoCAP (inhibition) analyses. We confirmed the postulated role of hazelnut 2S albumin as an allergen. The availability of recombinant molecules will allow establishing the importance of hazelnut 2S albumin for hazelnut allergy.

A multiplexed microsatellite fingerprinting set for hazelnut cultivar identification

USDA-ARS?s Scientific Manuscript database

The objective of this study was to develop a robust and cost-effective fingerprinting set for hazelnuts using microsatellite (SSR) markers. Twenty SSRs containing repeat motifs of = three nucleotides distributed throughout the hazelnut genome were screened on eight genetically diverse cultivars to a...

7 CFR 982.13 - Substandard hazelnuts.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 7 Agriculture 8 2010-01-01 2010-01-01 false Substandard hazelnuts. 982.13 Section 982.13 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing... hazelnuts, inshell or shelled, that do not meet the minimum standards effective pursuant to § 982.45. ...

Clinical allergy to hazelnut and peanut: identification of T cell cross-reactive allergens.

PubMed

Glaspole, Ian N; de Leon, Maria P; Prickett, Sara R; O'Hehir, Robyn E; Rolland, Jennifer M

2011-01-01

Peanut and tree nut allergies are life-threatening conditions for many affected individuals worldwide. Currently there is no cure. While co-allergy to peanut and tree nuts is a common clinical observation, and IgE cross-reactivity between peanut and tree nuts is reported, T cell cross-reactivity is poorly defined. Hazelnut-specific T cell lines were established using peripheral blood mononuclear cells from 5 subjects with co-allergy to hazelnut and peanut. These lines were stimulated with hazelnut and peanut extracts and purified major peanut allergens, Ara h 1 and Ara h 2. Proliferation was determined by (3)H-thymidine incorporation and secretion of key Th1 (IFN-γ) and Th2 (IL-5) cytokines analysed by ELISA. Hazelnut-specific T cell lines from all 5 subjects proliferated upon stimulation with both hazelnut and peanut extracts and for 4 subjects, to Ara h 1 and/or Ara h 2. Proliferating cells were mainly CD4+ T cells and produced both IL-5 and IFN-γ in response to hazelnut and peanut stimulation. Mitogenicity of extracts and allergens was excluded by their lack of stimulation of house dust mite-specific T cells. Our finding that hazelnut and peanut co-allergy is associated with cross-reactive T cell responses, driven partly by cross-reactivity to the major peanut allergens Ara h 1 and Ara h 2, points to future development of allergen immunotherapy by targeting cross-reactive T cells. Copyright © 2011 S. Karger AG, Basel.

7 CFR 982.12 - Merchantable hazelnuts.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 7 Agriculture 8 2010-01-01 2010-01-01 false Merchantable hazelnuts. 982.12 Section 982.12 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing... means inshell hazelnuts that meet the grade and size regulations in effect pursuant to § 982.45 and are...

Effects of pretreatment methods for hazelnut shell hydrolysate fermentation with Pichia Stipitis to ethanol.

PubMed

Arslan, Yeşim; Eken-Saraçoğlu, Nurdan

2010-11-01

In this study, we investigated the use of hazelnut shell as a renewable and low cost lignocellulosic material for bioethanol production for the first time. High lignin content of hazelnut shell is an important obstacle for such a biotransformation. Biomass hydrolysis with acids yields reducing sugar with several inhibitors which limit the fermentability of sugars. The various conditioning methods for biomass and hydrolysate were performed to overcome the toxicity and their effects on the subsequent fermentation of hazelnut shell hydrolysate by Pichia stipitis were evaluated with shaking flasks experiments. Hazelnut shells hydrolysis with 0.7M H(2)SO(4) yielded 49 gl(-1) total reducing sugars and fermentation inhibitors in untreated hydrolysate. First, it was shown that several hydrolysate detoxification methods were solely inefficient in achieving cell growth and ethanol production in the fermentation of hazelnut shell hydrolysates derived from non-delignified biomass. Next, different pretreatments of hazelnut shells were considered for delignification and employed before hydrolysis in conjunction with hydrolysate detoxification to improve alcohol fermentation. Among six delignification methods, the most effective pretreatment regarding to ethanol concentration includes the treatment of shells with 3% (w/v) NaOH at room temperature, which was integrated with sequential hydrolysate detoxification by overliming and then treatment with charcoal twice at 60 degrees C. This treatment brought about a total reduction of 97% in furans and 88.4% in phenolics. Almost all trialed treatments caused significant sugar loss. Under the best assayed conditions, ethanol concentration of 16.79gl(-1) was reached from a hazelnut shell hyrolysate containing initial 50g total reducing sugar l(-1) after partial synthetic xylose supplementation. This value is equal to 91.25% of ethanol concentration that was obtained from synthetic d-xylose under same conditions. The present study demonstrates that Pichia stipitis is able to grow and ferment sugars to ethanol in detoxified hazelnut hydrolysate derived from delignified biomass.

Sensitization with 7S globulins from peanut, hazelnut, soy or pea induces IgE with different biological activities which are modified by soy tolerance.

PubMed

Kroghsbo, Stine; Bøgh, Katrine L; Rigby, Neil M; Mills, E N Clare; Rogers, Adrian; Madsen, Charlotte B

2011-01-01

It is not known why some foods sensitizing via the gastrointestinal tract are prevalent allergenic foods and others are not. Eating habits, processing, and the food matrix have been suggested to influence the allergenicity of a given food. Factors related to protein structure, such as stability to digestion, have also been suggested. 7S globulins from peanut, hazelnut, soy, and pea were studied to determine whether related proteins would induce a similar sensitization when removed from their 'normal' matrix. Brown Norway rats (soy tolerant or nontolerant) were immunized i.p. 3 times with 100 μg purified peanut, hazelnut, soy, or pea 7S without adjuvant. Sera were analyzed for specific antibodies by different ELISAs (IgG1, IgG2a, and IgE), inhibition ELISA, and rat basophilic leukemia cell assay. The 4 related 7S globulins induced a response with an almost identical level of specific antibodies, but peanut 7S induced IgE of higher avidity than hazelnut and pea 7S which, again, had a higher avidity than IgE induced by soy 7S. Soy tolerance reduced the functionality of IgE without influencing antibody titers. Although the 4 7S globulins are structurally related allergens, they induce antibodies with different antigen-binding characteristics. Peanut 7S induces IgE of a higher avidity than hazelnut and pea 7S which, again, has a higher avidity than IgE induced by soy 7S. We also show that soy tolerance influences the function of antibodies to peanut 7S. These findings may help explain how antibodies of different clinical significances can develop in different individuals sensitized to the same allergen. Copyright © 2011 S. Karger AG, Basel.

76 FR 37766 - Specified Commodities Imported Into the United States, Exempt From Import Regulations; Request...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-06-28

... as processing, charity, animal feed, seed, and distribution to relief agencies when those outlets are...; dates (other than dates for processing); walnuts; dried prunes (suspended); raisins; and hazelnuts...

Report on Phase 2 Archaeological Testing at 21 AK 11, Big Sandy Lake, Aitkin County, Minnesota (June 10-11 and August 1-5 and 20-21, 1985)

DTIC Science & Technology

1987-10-05

Hazelnut Hazelnut Poison ivy Round-leaved Black currant Hazelnut dogwood’ Juneberry Round-leaved Downy arrowwood Chokecherry dogwood Poison ivy...Poison ivy Chokecherry Wild grape Sandbar Willow Black raspberry Bush honeysuckle Smooth wild rose Virginia creeper Bush honeysuckle Juneberry

Do dry roasting, lightly salting nuts affect their cardioprotective properties and acceptability?

PubMed

Tey, Siew Ling; Robinson, Terryn; Gray, Andrew R; Chisholm, Alexandra W; Brown, Rachel Clare

2017-04-01

Previous studies have reported improvements in cardiovascular disease (CVD) risk factors with the consumption of raw nuts. However, around one-third of nuts consumed are roasted and salted. Thus, it is important to determine whether roasting and salting nuts affect the health benefits observed with raw nuts. This study aimed to compare the effects of consuming two different forms of hazelnuts on cardiovascular risk factors and acceptance. Using a randomised crossover design, 72 participants were asked to consume 30 g/day of either raw or dry roasted, lightly salted hazelnuts for 28 days each. CVD risk factors were measured at the beginning and end of each treatment period. "Desire to consume" and "overall liking" for both forms of hazelnuts were assessed daily using a 150-mm visual analogue scale. Body composition, blood pressure, plasma total and low-density lipoprotein-cholesterol, apolipoprotein A1 and B100, glucose and α-tocopherol concentrations did not differ between forms of hazelnuts (all P ≥ 0.054). High-density lipoprotein (HDL)-cholesterol (P = 0.037) and triacylglycerol (P < 0.001) concentrations were significantly lower following the consumption of dry roasted, lightly salted hazelnuts when compared to the raw hazelnuts. Compared with baseline, consuming both forms of hazelnuts significantly improved HDL-cholesterol and apolipoprotein A1 concentrations, total-C/HDL-C ratio, and systolic blood pressure without significantly changing body composition. Acceptance ratings did not differ between forms of hazelnuts and remained high throughout the study. Dry roasting and lightly salting nuts do not appear to negate the cardioprotective effects observed with raw nut consumption, and both forms of nuts are resistant to monotony. Public health messages could be extended to include dry roasted and lightly salted nuts as part of a heart healthy diet.

Fast classification of hazelnut cultivars through portable infrared spectroscopy and chemometrics

NASA Astrophysics Data System (ADS)

Manfredi, Marcello; Robotti, Elisa; Quasso, Fabio; Mazzucco, Eleonora; Calabrese, Giorgio; Marengo, Emilio

2018-01-01

The authentication and traceability of hazelnuts is very important for both the consumer and the food industry, to safeguard the protected varieties and the food quality. This study investigates the use of a portable FTIR spectrometer coupled to multivariate statistical analysis for the classification of raw hazelnuts. The method discriminates hazelnuts from different origins/cultivars based on differences of the signal intensities of their IR spectra. The multivariate classification methods, namely principal component analysis (PCA) followed by linear discriminant analysis (LDA) and partial least square discriminant analysis (PLS-DA), with or without variable selection, allowed a very good discrimination among the groups, with PLS-DA coupled to variable selection providing the best results. Due to the fast analysis, high sensitivity, simplicity and no sample preparation, the proposed analytical methodology could be successfully used to verify the cultivar of hazelnuts, and the analysis can be performed quickly and directly on site.

Developing hazelnuts (Corylus spp.) with durable resistance to eastern filbert blight caused by Anisogramma anomala

Treesearch

Thomas J. Molnar; John Capik; Clayton W. Leadbetter; Ning Zhang; Guohong Cai; Bradley I. Hillman

2012-01-01

Eastern filbert blight (EFB) is a devastating fungal disease of European hazelnut, Corylus avellana L., and is considered to be the primary reason hazelnuts have not been developed as a commercial crop in the eastern United States. The pathogen, Anisogramma anomala, is native to a wide area east of the Rocky Mountains, where it...

Factors associated with breast self-examination practices and beliefs in female workers at a Muslim community.

PubMed

Avci, Ilknur Aydin

2008-04-01

The purpose of this descriptive correlational study was to identify knowledge levels and performance frequency of breast self-examination (BSE) and to examine variables related to breast cancer screening behaviors in a sample of Turkish women. Data were collected from a convenience sample of 103 Muslim female workers at a hazelnut factory in Ordu city, Turkey, using an adapted version of Champion's revised Health Belief Model Scale. Results showed that 26.2% of the women reported knowledge of BSE and 4.3% reported that they perform BSE. Higher health motivation, higher perceived self-efficacy of BSE, marital status, and familial breast cancer history were significantly associated with BSE performance. Higher levels of health motivation and higher perceived self-efficacy of BSE were also significantly associated with knowledge of BSE.

In vitro and in vivo characterization of hazelnut skin prick test extracts.

PubMed

Akkerdaas, Jaap H; Wensing, Marjolein; Knulst, André C; Aalberse, Rob C; Hefle, Susan L; van Ree, Ronald

2003-01-01

Hazelnut allergy ranks among the most frequently observed food allergies. Clinical symptoms range from the oral allergy syndrome to life threatening anaphylaxis. Diagnosis of hazelnut allergy partially relies on in vivo testing by means of skin prick testing (SPT). The aim of this study was to characterize hazelnut SPT extracts both in vitro and in vivo. Hazelnut SPT extracts were investigated for protein concentration and composition. The major hazelnut allergen Cor a 1, lipid transfer protein (LTP) and thaumatin-like-protein (TLP) were monitored by competitive RIA and immunoblotting. SPT extracts (n = 6) were analyzed for skin reactivity and the correlation between the SPT extract protein concentration and the mean skin reactivity (HEIC) was determined in a group of hazelnut-allergic patients (n = 30). For one SPT extract, the threshold level for Cor a 1 was determined in Cor a 1-monosensitized patients (n = 5). Protein concentrations ranged from 0.2-14 mg/ml. Although some proteins were present in most extracts (bands at 10, 22-28, 32 and around 48 kDa), clear differences in composition were observed (both intra- and inter-variability). The concentration of the major hazelnut allergen Cor a 1 differed up to a factor 50 (0.6-32 micrograms/ml). LTP was virtually absent in 3/9 SPT extracts and variable quantities of TLP were detected by immunoblotting. Some patients (6/30) had a false-negative SPT with 3/6 SPT extracts. There was a clear correlation between the protein concentration and the mean HEIC (RPearson = 0.87). The threshold level for Cor a 1 was +/- 3.2 ng/ml as assessed with one of the products investigated. Heterogeneous protein concentration/composition of SPT extracts results in variable skin test responses. The absence of potentially severe allergens like LTP may lead to false-negative SPT results that jeopardize a patient's safety. From these results it can be concluded that there is a strong need for standardization of products for SPT.

Birch pollinosis and atopy caused by apple, peach, and hazelnut; comparison of three extraction procedures with two apple strains.

PubMed

de Groot, H; de Jong, N W; Vuijk, M H; Gerth van Wijk, R

1996-10-01

This study aimed, first, to study the prevalence in The Netherlands of atopy caused by apple, peach, and hazelnut in patients with tree pollinosis, and, second, to compare three extraction procedures for skin prick testing with two different apple strains. Skin prick tests and RAST were performed on 79 consecutive patients with tree pollinosis, visiting the department of allergology during spring 1995. In skin prick tests, we used three different extracts (juice, freeze-dried extract, and low-temperature acetone powder extract) of two apple strains, Golden Delicious and Granny Smith. Case histories for apple, peach, and hazelnut were positive in 35 (44.3%), 23 (29%), and 35 (44.3%) patients, respectively. More than two-thirds of the patients had symptoms characteristic of oral allergy syndrome. Skin prick tests for apple, peach, and hazelnut were positive in 51 (64.6%), 61 (77.2%), and 71 (89.9%) patients, respectively. Granny Smith showed more positive skin reactions and a better agreement with clinical history than Golden Delicious, and juice was superior to the two other extraction procedures for both apple strains. RAST for apple, peach, and hazelnut was positive in 53 (68.8%), 13 (16.9%), and 31 (40.3%) patients, respectively. Concordance between skin prick test and case history was found in 77%, 52%, and 54%, for apple, peach, and hazelnut, respectively. We found a high percentage of concurrence of clinical allergy to birch pollen and apple, peach, and hazelnut, confirmed by both skin prick testing and RAST. Approximately half of these patients had symptoms (especially oral allergy syndrome) after eating these products. We also found an easy extraction procedure (juice extract) suitable for apple skin prick testing, superior even to freeze-dried extraction or the low-temperature acetone powder technique.

Assessment of hazelnut husk as a lignocellulosic feedstock for the production of fermentable sugars and lignocellulolytic enzymes.

PubMed

Pinar, Orkun; Karaosmanoğlu, Kübra; Sayar, Nihat Alpagu; Kula, Ceyda; Kazan, Dilek; Sayar, Ahmet Alp

2017-12-01

The present work focuses firstly on the evaluation of the effect of laccase on enzymatic hydrolysis of hazelnut husk which is one of the most abundant lignocellulosic agricultural residues generated in Turkey. In this respect, the co-enzymatic treatment of hazelnut husk by cellulase and laccase, without a conventional pretreatment step is evaluated. Using 2.75 FPU/g substrate (40 g/L substrate) and a ratio of 131 laccase U/FPU achieved the highest reducing sugars concentration. Gas chromatography mass spectrometry confirmed that the hydrolysate was composed of glucose, xylose, mannose, arabinose and galactose. The inclusion of laccase in the enzyme mixture [carboxymethyl cellulase (CMCase) and β-glucosidase] increased the final glucose content of the reducing sugars from 20 to 50%. Therefore, a very significant increase in glucose content of the final reducing sugars concentration was obtained by laccase addition. Furthermore, the production of cellulases and laccase by Pycnoporus sanguineus DSM 3024 using hazelnut husk as substrate was also investigated. Among the hazelnut husk concentrations tested (1.5, 6, 12, 18 g/L), the highest CMCase concentration was obtained using 12 g/L husk concentration on the 10th day of fermentation. Besides CMCase, P. sanguineus DSM 3024 produced β-glucosidase and laccase using hazelnut husk as carbon source. In addition to CMCase and β-glucosidase, the highest laccase activity measured was 2240 ± 98 U/L (8.89 ± 0.39 U/mg). To the best of our knowledge, this is the first study to report hazelnut husk hydrolysis in the absence of pretreatment procedures.

Morphological and molecular analysis of Fusarium lateritium, the cause of gray necrosis of hazelnut fruit in Italy.

PubMed

Vitale, S; Santori, A; Wajnberg, E; Castagnone-Sereno, P; Luongo, L; Belisario, A

2011-06-01

Fusarium lateritium is a globally distributed plant pathogen. It was recently reported as the causal agent of nut gray necrosis (NGN) on hazelnut. Isolate characterization within F. lateritium was undertaken to investigate how morphological and molecular diversity was associated with host and geographic origin. Morphological studies combined with inter-simple-sequence repeat (ISSR) analysis, and phylogenetic analyses using translation elongation factor 1α (TEF-1α), β-tubulin genes, and nuclear ribosomal DNA internal transcribed spacer (ITS) sequences were conducted to resolve relationships among 32 F. lateritium isolates from NGN-affected hazelnut fruit, and 14 from other substrates or 8 from other hosts than hazelnut. Colonies of F. lateritium from hazelnut showed dark grayish-olive differing from the orange-yellow color of all other isolates from other hosts. Generally, isolates from NGN-affected fruit failed to produce sporodochia on carnation leaf agar. The influence of host and substrate on the genetic structure of F. lateritium was supported by ISSR and analyzed with principal coordinates analysis. A relationship between hazelnut and genetic variation was inferred. Phylogenetic analysis of ITS provided limited resolution while TEF-1α and β-tubulin analyses allowed a clear separation between the European and non-European F. lateritium isolates retrieved from GenBank, regardless of host. Though morphological traits of F. lateritium isolates from hazelnut were generally uniform in defining a typical morphogroup, they were not yet phylogenetically defined. In contrast, the typology related to slimy deep orange cultures, due to spore mass, grouped clearly separated from the other F. lateritium isolates and revealed a congruence between morphology and phylogeny.

Chelation of Cu(II), Zn(II), and Fe(II) by Tannin Constituents of Selected Edible Nuts

PubMed Central

Karamać, Magdalena

2009-01-01

The tannin fractions isolated from hazelnuts, walnuts and almonds were characterised by colorimetric assays and by an SE-HPLC technique. The complexation of Cu(II) and Zn(II) was determined by the reaction with tetramethylmurexide, whereas for Fe(II), ferrozine was employed. The walnut tannins exhibited a significantly weaker reaction with the vanillin/HCl reagent than hazelnut and almond tannins, but the protein precipitation capacity of the walnut fraction was high. The SE-HPLC chromatogram of the tannin fraction from hazelnuts revealed the presence of oligomers with higher molecular weights compared to that of almonds. Copper ions were most effectively chelated by the constituents of the tannin fractions of hazelnuts, walnuts and almonds. At a 0.2 mg/assay addition level, the walnut tannins complexed almost 100% Cu(II). The Fe(II) complexation capacities of the tannin fractions of walnuts and hazelnuts were weaker in comparison to that of the almond tannin fraction, which at a 2.5 mg/assay addition level, bound Fe(II) by ~90%. The capacity to chelate Zn(II) was quite varied for the different nut tannin fractions: almond tannins bound as much as 84% Zn(II), whereas the value for walnut tannins was only 8.7%; and for hazelnut tannins, no Zn(II) chelation took place at the levels tested. PMID:20054482

Chelation of Cu(II), Zn(II), and Fe(II) by tannin constituents of selected edible nuts.

PubMed

Karamać, Magdalena

2009-12-22

The tannin fractions isolated from hazelnuts, walnuts and almonds were characterised by colorimetric assays and by an SE-HPLC technique. The complexation of Cu(II) and Zn(II) was determined by the reaction with tetramethylmurexide, whereas for Fe(II), ferrozine was employed. The walnut tannins exhibited a significantly weaker reaction with the vanillin/HCl reagent than hazelnut and almond tannins, but the protein precipitation capacity of the walnut fraction was high. The SE-HPLC chromatogram of the tannin fraction from hazelnuts revealed the presence of oligomers with higher molecular weights compared to that of almonds. Copper ions were most effectively chelated by the constituents of the tannin fractions of hazelnuts, walnuts and almonds. At a 0.2 mg/assay addition level, the walnut tannins complexed almost 100% Cu(II). The Fe(II) complexation capacities of the tannin fractions of walnuts and hazelnuts were weaker in comparison to that of the almond tannin fraction, which at a 2.5 mg/assay addition level, bound Fe(II) by approximately 90%. The capacity to chelate Zn(II) was quite varied for the different nut tannin fractions: almond tannins bound as much as 84% Zn(II), whereas the value for walnut tannins was only 8.7%; and for hazelnut tannins, no Zn(II) chelation took place at the levels tested.

Cofiring lignite with hazelnut shell and cotton residue in a pilot-scale fluidized bed combustor

DOE Office of Scientific and Technical Information (OSTI.GOV)

Zuhal Gogebakan; Nevin Selcuk

In this study, cofiring of high ash and sulfur content lignite with hazelnut shell and cotton residue was investigated in 0.3 MWt METU Atmospheric Bubbling Fluidized Bed Combustion (ABFBC) Test Rig in terms of combustion and emission performance of different fuel blends. The results reveal that cofiring of hazelnut shell and cotton residue with lignite increases the combustion efficiency and freeboard temperatures compared to those of lignite firing with limestone addition only. CO{sub 2} emission is not found sensitive to increase in hazelnut shell and cotton residue share in fuel blend. Cofiring lowers SO{sub 2} emissions considerably. Cofiring of hazelnutmore » shell reduces NO and N{sub 2}O emissions; on the contrary, cofiring cotton residue results in higher NO and N{sub 2}O emissions. Higher share of biomass in the fuel blend results in coarser cyclone ash particles. Hazelnut shell and cotton residue can be cofired with high ash and sulfur-containing lignite without operational problems. 32 refs., 12 figs., 11 tabs.« less

Effect of γ-irradiation on the physicochemical and sensory properties of hazelnuts ( Corylus avellana L.)

NASA Astrophysics Data System (ADS)

Mexis, S. F.; Kontominas, M. G.

2009-06-01

The present study evaluated the quality of hazelnuts as a function of irradiation dose to determine dose levels causing minimal undesirable changes to hazelnuts. Physicochemical (color, peroxide value (PV), hexanal content, fatty acid composition and volatile compounds) and sensory (color, texture, odor and taste) properties were determined. Results showed a twenty fold increase in peroxide value and twenty-eight fold increase in hexanal content after irradiation at a dose of 7 kGy. An increase was also observed in saturated fatty acids (10%-23%) with a parallel decrease in unsaturated fatty acids (90-77%). Volatile compounds such as ketones, alkanes, alcohols, aldehydes, furans, aromatic hydrocarbons, bicyclic monoterpenes and acids were produced mostly comprising secondary oxidation products of hazelnut lipids after irradiation. Color parameter b* increased ( p<0.05) after irradiation at a dose of ⩾5 kGy, while color parameters L* and a* remained unchanged by irradiation. Sensory evaluation showed that texture and color were not affected by irradiation. Taste, the most sensitive sensory attribute showed that hazelnuts retain acceptable sensory quality when irradiated up to a dose of 1.5 kGy.

7 CFR 982.52 - Disposition of restricted hazelnuts.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 982.52 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE HAZELNUTS.... Any person who desires to become an authorized sheller in any marketing year may submit written...

Near infrared spectroscopy is suitable for the classification of hazelnuts according to Protected Designation of Origin.

PubMed

Moscetti, Roberto; Radicetti, Emanuele; Monarca, Danilo; Cecchini, Massimo; Massantini, Riccardo

2015-10-01

This study investigates the possibility of using near infrared spectroscopy for the authentication of the 'Nocciola Romana' hazelnut (Corylus avellana L. cvs Tonda Gentile Romana and Nocchione) as a Protected Designation of Origin (PDO) hazelnut from central Italy. Algorithms for the selection of the optimal pretreatments were tested in combination with the following discriminant routines: k-nearest neighbour, soft independent modelling of class analogy, partial least squares discriminant analysis and support vector machine discriminant analysis. The best results were obtained using a support vector machine discriminant analysis routine. Thus, classification performance rates with specificities, sensitivities and accuracies as high as 96.0%, 95.0% and 95.5%, respectively, were achieved. Various pretreatments, such as standard normal variate, mean centring and a Savitzky-Golay filter with seven smoothing points, were used. The optimal wavelengths for classification were mainly correlated with lipids, although some contribution from minor constituents, such as proteins and carbohydrates, was also observed. Near infrared spectroscopy could classify hazelnut according to the PDO 'Nocciola Romana' designation. Thus, the experimentation lays the foundations for a rapid, online, authentication system for hazelnut. However, model robustness should be improved taking into account agro-pedo-climatic growing conditions. © 2014 Society of Chemical Industry.

Ultrasound assisted extraction of polysaccharides from hazelnut skin.

PubMed

Yılmaz, Tuncay; Tavman, Şebnem

2016-03-01

In this study ultrasound assisted extraction (UAE) of polysaccharides from hazelnut skin has been studied. Optimum sonication time has been evaluated depending on responses such as amount of carbohydrate and dried sample and thermogravimetric analysis. Chemical and structural properties of extracted material have been determined by Fourier transform spectroscopy attenuated-total reflectance (FTIR-ATR) spectroscopy. Pretreated hazelnut skin powders were extracted in distilled water. Mixture was sonicated by ultrasonic processor probe for 15, 30, 45, 60, 90, and 120 min. The results of UAE showed that maximum ethanol insoluble extracts in 60 min and the highest dry matter content could be obtained in 120 min extraction. Although total carbohydrate content of ethanol insoluble dry extract decreased with time, total carbohydrate in ethanol soluble fraction increased. Polysaccharides extracted from hazelnut skin were assumed to be pectic polysaccharide according to the literature survey of FTIR analysis result. Application time of UAE has an important effect on extraction of polysaccharide from hazelnut skin. This affect could be summarized by enhancing extraction yield up to critical level. Decrease of the yield in ethanol insoluble part could be explained by polymer decomposition. Most suitable model was hyperbolic model by having the lowest root mean square error and the highest R(2) values. © The Author(s) 2015.

Sampling hazelnuts for aflatoxin: uncertainty associated with sampling, sample preparation, and analysis.

PubMed

Ozay, Guner; Seyhan, Ferda; Yilmaz, Aysun; Whitaker, Thomas B; Slate, Andrew B; Giesbrecht, Francis

2006-01-01

The variability associated with the aflatoxin test procedure used to estimate aflatoxin levels in bulk shipments of hazelnuts was investigated. Sixteen 10 kg samples of shelled hazelnuts were taken from each of 20 lots that were suspected of aflatoxin contamination. The total variance associated with testing shelled hazelnuts was estimated and partitioned into sampling, sample preparation, and analytical variance components. Each variance component increased as aflatoxin concentration (either B1 or total) increased. With the use of regression analysis, mathematical expressions were developed to model the relationship between aflatoxin concentration and the total, sampling, sample preparation, and analytical variances. The expressions for these relationships were used to estimate the variance for any sample size, subsample size, and number of analyses for a specific aflatoxin concentration. The sampling, sample preparation, and analytical variances associated with estimating aflatoxin in a hazelnut lot at a total aflatoxin level of 10 ng/g and using a 10 kg sample, a 50 g subsample, dry comminution with a Robot Coupe mill, and a high-performance liquid chromatographic analytical method are 174.40, 0.74, and 0.27, respectively. The sampling, sample preparation, and analytical steps of the aflatoxin test procedure accounted for 99.4, 0.4, and 0.2% of the total variability, respectively.

Dr. Shawn Mehlenbacher 2012 Wilder Silver Medal Recipient

USDA-ARS?s Scientific Manuscript database

Dr. Shawn Mehlenbacher, Oregon State University, was awarded the 2012 Wilder Medal by the American Pomological Society for his contributions to hazelnut genetics and cultivar development. Dr. Mehlenbacher took over the leadership of the Oregon State University hazelnut breeding program in 1986 aft...

7 CFR 982.15 - Inshell handler carryover.

Code of Federal Regulations, 2012 CFR

2012-01-01

... 7 Agriculture 8 2012-01-01 2012-01-01 false Inshell handler carryover. 982.15 Section 982.15 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing... hazelnuts and the estimated merchantable content of those uncertified hazelnuts then held by handlers which...

7 CFR 982.15 - Inshell handler carryover.

Code of Federal Regulations, 2014 CFR

2014-01-01

... 7 Agriculture 8 2014-01-01 2014-01-01 false Inshell handler carryover. 982.15 Section 982.15 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING... hazelnuts and the estimated merchantable content of those uncertified hazelnuts then held by handlers which...

7 CFR 982.15 - Inshell handler carryover.

Code of Federal Regulations, 2011 CFR

2011-01-01

... 7 Agriculture 8 2011-01-01 2011-01-01 false Inshell handler carryover. 982.15 Section 982.15 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing... hazelnuts and the estimated merchantable content of those uncertified hazelnuts then held by handlers which...

7 CFR 982.15 - Inshell handler carryover.

Code of Federal Regulations, 2013 CFR

2013-01-01

... 7 Agriculture 8 2013-01-01 2013-01-01 false Inshell handler carryover. 982.15 Section 982.15 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (MARKETING... hazelnuts and the estimated merchantable content of those uncertified hazelnuts then held by handlers which...

7 CFR 982.15 - Inshell handler carryover.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 7 Agriculture 8 2010-01-01 2010-01-01 false Inshell handler carryover. 982.15 Section 982.15 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing... hazelnuts and the estimated merchantable content of those uncertified hazelnuts then held by handlers which...

7 CFR 982.58 - Research, promotion, and market development.

Code of Federal Regulations, 2010 CFR

2010-01-01

... development, and marketing promotion, including paid advertising, designed to assist, improve, or promote the... direct expenditures for such marketing promotion including paid advertising as may be authorized. The... promotion including paid advertising, that promotes the sale of hazelnuts, hazelnut products, or their uses...

Structural and functional characterization of the hazelnut allergen Cor a 8

DOE Office of Scientific and Technical Information (OSTI.GOV)

Offermann, Lesa R.; Bublin, Merima; Perdue, Makenzie L.

Nonspecific lipid transfer proteins (nsLTPs) are basic proteins, stabilized by four disulfide bonds, and are expressed throughout the plant kingdom. These proteins are also known as important allergens in fruits and tree nuts. In this study, the nsLTP from hazelnuts, Cor a 8, was purified and its crystal structure determined. The protein is stable at low pH and refolds after thermal denaturation. Molecular dynamics simulations were used to provide an insight into conformational changes of Cor a 8 upon ligand binding. When known epitope areas from Pru p 3 were compared to those of Cor a 8, differences were obvious,more » which may contribute to limited cross-reactivity between peach and hazelnut allergens. The differences in epitope regions may contribute to limited cross-reactivity between Cor a 8 and nsLTPs from other plant sources. The structure of Cor a 8 represents the first resolved structure of a hazelnut allergen.« less

Review of the use of phytosterols as a detection tool for adulteration of olive oil with hazelnut oil.

PubMed

Azadmard-Damirchi, Sodeif

2010-01-01

Adulteration of virgin olive oil with less expensive oils such as hazelnut oil is a serious problem for quality control of olive oil. Detection of the presence of hazelnut oil in olive oil at low percentages (<20%) is limited with current official standard methods. In this review, various classes of phytosterols in these two oils are assessed as possible markers to detect adulterated olive oil. The composition of 4-desmethyl- and 4-monomethylsterols is similar in both oils, but the 4,4'-dimethylsterols differ. Lupeol and an unknown (lupane skeleton) compound from 4,4'-dimethylsterols are exclusively present in hazelnut oil and can be used as markers via GC-MS monitoring to detect adulteration at levels as low as 2%. The phytosterol classes need to be separated and enriched by a preparative method prior to analysis by GC or GC/MS; these SPE and TLC methods are also described in this review.

Structural and functional characterization of the hazelnut allergen Cor a 8

DOE PAGES

Offermann, Lesa R.; Bublin, Merima; Perdue, Makenzie L.; ...

2015-09-28

Nonspecific lipid transfer proteins (nsLTPs) are basic proteins, stabilized by four disulfide bonds, and are expressed throughout the plant kingdom. These proteins are also known as important allergens in fruits and tree nuts. In this study, the nsLTP from hazelnuts, Cor a 8, was purified and its crystal structure determined. The protein is stable at low pH and refolds after thermal denaturation. Molecular dynamics simulations were used to provide an insight into conformational changes of Cor a 8 upon ligand binding. When known epitope areas from Pru p 3 were compared to those of Cor a 8, differences were obvious,more » which may contribute to limited cross-reactivity between peach and hazelnut allergens. The differences in epitope regions may contribute to limited cross-reactivity between Cor a 8 and nsLTPs from other plant sources. The structure of Cor a 8 represents the first resolved structure of a hazelnut allergen.« less

The hierarchical porous structure bio-char assessments produced by co-pyrolysis of municipal sewage sludge and hazelnut shell and Cu(II) adsorption kinetics.

PubMed

Zhao, Bing; Xu, Xinyang; Zeng, Fanqiang; Li, Haibo; Chen, Xi

2018-05-04

The co-pyrolysis technology was applied to municipal sewage sludge (MSS) and hazelnut shell with alkaline activating agent K 2 CO 3 under N 2 atmosphere. The innovative bio-char produced by co-pyrolysis had significant physical and chemical characteristics. The specific surface area reached 1990.23 m 2 /g, and the iodine absorption number was 1068.22 mg/g after co-pyrolysis at 850 °C. Although hazelnut shell was a kind of solid waste, it also had abundant cellulose resource, which could contribute to porous structure of bio-char during co-pyrolysis with MSS and decrease total heavy metals contents of raw material to increase security of bio-chars. Meanwhile, the residual fractions of heavy metals in bio-char were above 92.95% after co-pyrolysis at 900 °C except Cd to prevent heavy metals digestion, and the bio-char presented significant immobilization behavior from co-pyrolysis technology. Moreover, the yield and the iodine absorption number of bio-chars under different process variables were analyzed, and it was confirmed that appropriate process variables could contribute the yield and the iodine absorption number of bio-char and prevent to etch pore structure excessively to collapse. The changes of surface functional groups and crystallographic structure before and after co-pyrolysis were analyzed by FTIR and XRD, respectively. The hierarchical porous structure of bio-char was presented by SEM and N 2 adsorption-desorption isotherm. The Cu(II) adsorption capacity of the bio-char was 42.28 mg/g after 24 h, and surface functional groups acted as active binding sites for Cu(II) adsorption. Langmuir model and pseudo-second-order model can describe process of Cu(II) adsorption well.

Node position influences viability and contamination in hazelnut shoot

USDA-ARS?s Scientific Manuscript database

Initiation of shoot cultures is difficult in many woody plants due to internal microbial contaminants and general lack of juvenility in material from the source plants. Hazelnuts (Corylus avellana L.) are generally difficult to initiate into culture for these same reasons. This study was designed to...

Nut traits and nutritional composition of hazelnut (Corylus avellana L.) as influenced by zinc fertilization.

PubMed

Özenç, Nedim; Özenç, Damla Bender

2015-07-01

Zinc is an essential element for plants and its deficiency is a widespread problem throughout the world, causing decreased yields and nutritional quality. In this study the effect of zinc fertilization on some nut traits and the nutritional composition of 'Tombul' hazelnut (Corylus avellana L.) variety cultivated in the Black Sea region of Turkey was investigated and the contribution of this nut to human nutrition determined. Trials were carried out at 'Tombul' hazelnut orchards, and zinc fertilizers were applied at 0, 0.2, 0.4, 0.8 and 1.6 kg Zn ha(-1) in three consecutive years. Significant differences in some nut traits and mineral composition (protein, total oil, ash, kernel percentage, empty and wrinkled nuts, copper, boron, manganese and molybdenum) were observed with zinc fertilizer applications. In terms of daily nutritional element requirements, 100 g of hazelnut provided about 44.74% phosphorus, 13.39% potassium, 19.32% calcium, 37.49% magnesium, 0.19% sodium, 51.63% iron, 25.73% zinc and 14.05% boron of the recommended daily amounts (RDAs), while copper, manganese and molybdenum contents exceeded their RDAs. In order to improve some nut traits and the mineral composition of hazelnut, 0.8 and 1.6 kg Zn ha(-1) fertilizations could be recommended in practice. © 2014 Society of Chemical Industry.

Effect of solvent on the extraction of phenolic compounds and antioxidant capacity of hazelnut kernel.

PubMed

Fanali, Chiara; Tripodo, Giusy; Russo, Marina; Della Posta, Susanna; Pasqualetti, Valentina; De Gara, Laura

2018-03-22

Hazelnut kernel phenolic compounds were recovered applying two different extraction approaches, namely ultrasound-assisted solid/liquid extraction (UA-SLE) and solid-phase extraction (SPE). Different solvents were tested evaluating total phenolic compounds and total flavonoids contents together to antioxidant activity. The optimum extraction conditions, in terms of the highest value of total phenolic compounds extracted together to other parameters like simplicity and cost were selected for method validation and individual phenolic compounds analysis. The UA-SLE protocol performed using 0.1 g of defatted sample and 15 mL of extraction solvent (1 mL methanol/1 mL water/8 mL methanol 0.1% formic acid/5 mL acetonitrile) was selected. The analysis of hazelnut kernel individual phenolic compounds was obtained by HPLC coupled with DAD and MS detections. Quantitative analysis was performed using a mixture of six phenolic compounds belonging to phenolic classes' representative of hazelnut. Then, the method was fully validated and the resulting RSD% values for retention time repeatability were below 1%. A good linearity was obtained giving R 2 no lower than 0.997.The accuracy of the extraction method was also assessed. Finally, the method was applied to the analysis of phenolic compounds in three different hazelnut kernel varieties observing a similar qualitative profile with differences in the quantity of detected compounds. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

7 CFR 982.453 - Disposition of substandard hazelnuts.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 7 Agriculture 8 2010-01-01 2010-01-01 false Disposition of substandard hazelnuts. 982.453 Section... GROWN IN OREGON AND WASHINGTON Administrative Rules and Regulations § 982.453 Disposition of substandard... approved list when such denial or removal is deemed necessary to ensure control over disposition of...

Nuclear and chloroplast microsatellite markers to assess genetic diversity and evolution in hazelnut species, hybrids and cultivars

USDA-ARS?s Scientific Manuscript database

The U.S. Department of Agriculture (USDA), Agricultural Research Service (ARS), National Clonal Germplasm Repository (NCGR) in Corvallis, Oregon, preserves more than 800 accessions of hazelnut (Corylus) including C. avellana cultivars and representatives of 10 other recognized shrub and tree species...

7 CFR 982.101 - Grade requirements for shelled hazelnuts.

Code of Federal Regulations, 2011 CFR

2011-01-01

... Foreign Material: 0.02 of one percent, for foreign material. (2) For Defects: Five percent for kernels or... or portions of hazelnut kernels shall meet the following requirements: (1) Well dried and clean; (2... firm and crisp, not containing more than 6 percent moisture. (2) Clean means practically free from...

7 CFR 982.101 - Grade requirements for shelled hazelnuts.

Code of Federal Regulations, 2010 CFR

2010-01-01

... Foreign Material: 0.02 of one percent, for foreign material. (2) For Defects: Five percent for kernels or... or portions of hazelnut kernels shall meet the following requirements: (1) Well dried and clean; (2... firm and crisp, not containing more than 6 percent moisture. (2) Clean means practically free from...

7 CFR 982.30 - Establishment and membership.

Code of Federal Regulations, 2011 CFR

2011-01-01

... who handled the largest volume of hazelnuts during the two marketing years preceding the marketing... second largest volume of hazelnuts during the two marketing years preceding the marketing year in which nominations are made; (3) One member shall be nominated by the handler who handled the third largest volume of...

High-throughput authentication of edible oils with benchtop Ultrafast 2D NMR.

PubMed

Gouilleux, B; Marchand, J; Charrier, B; Remaud, G S; Giraudeau, P

2018-04-01

We report the use of an Ultrafast 2D NMR approach applied on a benchtop NMR system (43 MHz) for the authentication of edible oils. Our results demonstrate that a profiling strategy based on fast 2D NMR spectra recorded in 2.4 min is more efficient than the standard 1D experiments to classify oils from different botanical origins, since 1D spectra on the same samples suffer from strong peak overlaps. Six edible oils with different botanical origins (olive, hazelnut, sesame, rapeseed, corn and sunflower) have been clearly discriminated by PCA analysis. Furthermore, we show how this approach combined with a PLS model can detect adulteration processes such as the addition of hazelnut oil into olive oil, a common fraud in food industry. Copyright © 2017 Elsevier Ltd. All rights reserved.

High-resolution genetic and physical mapping of eastern filbert blight resistance in hazelnut

Treesearch

Vidyasagar Sathuvall; Shawn A. Mehlenbacher

2012-01-01

Eastern filbert blight (EFB), caused by the pyrenomycete Anisogramma anomala, is a serious threat to the hazelnut (Corylus avellana L.) industry in the Pacific Northwest. A dominant allele at a single locus from the obsolete pollenizer 'Gasaway' confers a very high level of resistance, and has been extensively used in...

Nitrogen fertilization for young established hybrid hazelnuts in the Upper Midwest of the USA

USDA-ARS?s Scientific Manuscript database

Hybrids of Corylus avellana, C. americana, and C. cornuta are proposed as a new crop for the Upper Midwest. Anecdotal information from midwestern growers suggests that these hybrid hazelnuts have high N requirements, but this has not been confirmed in replicated trials. Current nitrogen (N) recommen...

Identification of Damaged Wheat Kernels and Cracked-Shell Hazelnuts with Impact Acoustics Time-Frequency Patterns

USDA-ARS?s Scientific Manuscript database

A new adaptive time-frequency (t-f) analysis and classification procedure is applied to impact acoustic signals for detecting hazelnuts with cracked shells and three types of damaged wheat kernels. Kernels were dropped onto a steel plate, and the resulting impact acoustic signals were recorded with ...

Preparation of fatty acid methyl esters from hazelnut, high-oleic peanut and walnut oils and evaluation as biodiesel

USDA-ARS?s Scientific Manuscript database

Hazelnut, walnut and high-oleic peanut oils were converted into fatty acid methyl esters using catalytic sodium methoxide and evaluated as potential biodiesel fuels. These feedstocks were of interest due to their adaptability to marginal lands and their lipid production potentials (780-1780 L ha-1 y...

Effects of an acid/alkaline treatment on the release of antioxidants and cellulose from different agro-food wastes.

PubMed

Vadivel, Vellingiri; Moncalvo, Alessandro; Dordoni, Roberta; Spigno, Giorgia

2017-06-01

The present investigation was aimed to evaluate the release of both antioxidants and cellulosic fibre from different agro-food wastes. Cost-effective and easily available agro-food residues (brewers' spent grains, hazelnut shells, orange peels and wheat straw) were selected and submitted to a double-step acid/alkaline fractionation process. The obtained acid and alkaline liquors were analysed for total phenols content and antioxidant capacity. The final fibre residue was analysed for the cellulose, lignin and hemicellulose content. The total phenols content and antioxidant capacity of the acid liquors were higher than the alkaline hydrolysates. Orange peels and wheat straw gave, respectively, the highest (19.70±0.68mg/g dm ) and the lowest (4.70±0.29mg/g dm ) total phenols release. Correlation between antioxidant capacity of the liquors and their origin depended on the analytical assay used to evaluate it. All the acid liquors were also rich in sugar degradation products (mainly furfural). HPLC analysis revealed that the most abundant phenolic compound in the acid liquors was vanillin for brewers' spent grains, hazelnut shells and wheat straw, and p-hydroxybenzoic acid for orange peels. Wheat straw served as the best raw material for cellulose isolation, providing a final residue with a high cellulose content (84%) which corresponded to 45% of the original cellulose. The applied process removed more than 90% of the hemicellulose fraction in all the samples, while delignification degree ranged from 67% (in hazelnut shells), to 93% (in brewers' spent grains). It was not possible to select a unique raw material for the release of highest levels of both total phenols and cellulose. Copyright © 2017 Elsevier Ltd. All rights reserved.

Energy compensation and nutrient displacement following regular consumption of hazelnuts and other energy-dense snack foods in non-obese individuals.

PubMed

Pearson, Katherine R; Tey, Siew Ling; Gray, Andrew R; Chisholm, Alexandra; Brown, Rachel C

2017-04-01

Regular nut consumption reduces cardiovascular disease risk, partly from improvements to dietary quality. Examining how individuals make dietary changes when consuming nuts may reveal key behavioural eating patterns beneficial for the development of dietary interventions. We examined the effects of nuts in comparison with other energy-dense snacks on energy compensation, nutrient displacement, and food group patterns. This was a 12-week randomised, controlled, parallel study with four arms: ~1100 kJ/day for each of hazelnuts (42 g), chocolate (50 g), potato crisps (50 g), or no added snack food. Diet records, body composition, and physical activity were measured at baseline and week 12, in 102 non-obese participants. Significant improvements in diet quality were observed in the hazelnut group, particularly when consumed as snacks. Intakes of monounsaturated fat (MUFA) and vitamin E were significantly higher (all P < 0.05), whereas saturated fat and carbohydrate were significantly lower (both P ≤ 0.022) in the hazelnut group compared to the other groups. Partial energy compensation did not differ significantly between groups, but nutrient displacement values for MUFA and fibre differed significantly. Within the hazelnut group, there was nearly complete displacement for fibre, partial displacement for energy, protein, total fat, MUFA, PUFA, potassium, folate, and vitamin E, and overcompensation for carbohydrate and sugar. Our results demonstrate that energy compensation occurs for all three intervention snacks in this non-obese population. Regular nut consumption significantly improves nutrient profiles compared to other snacks with changes occurring at the snack level.

Infectivity of Steinernema carpocapsae and S. feltiae to larvae and adults of the hazelnut weevil, Curculio nucum: Differential virulence and entry routes

USDA-ARS?s Scientific Manuscript database

The hazel nut weevil, Curculio nucum, is a major pest of hazel nuts, particularly in Europe; hazel nut weevil is also closely related to other nut-attacking weevils such as pecan weevil (Curculio caryae). In this study, the basis for differential susceptibility of the hazelnut weevil (to entomopatho...

First evidence of occupational asthma to argan powder in a cosmetic factory.

PubMed

Paris, C; Herin, F; Penven, E; Thaon, I; Richard, C; Jacquenet, S; Barbaud, A; Poussel, M

2016-04-01

Argan is used worldwide in numerous cosmetic products, as this fruit is supposed to have many beneficial properties on health. New cases of allergy can be expected with the growing use of argan. We investigated all workers (9) employed by a cosmetic factory and exposed to argan powder to identify possible allergies related to exposure to argan powder. Patients were investigated in the occupational disease department and, according to their symptoms, underwent pulmonary function testing, methacholine challenge, specific inhalation challenge to argan powder, skin prick tests, and immunoblotting analysis. We report three cases of occupational asthma to argan powder and a probable case of rhinitis. Fifteen argan proteins were recognized by the patients' IgE. Identification of proteins, cross-reactions to nuts, and ELISA inhibition tests suggested that some argan allergens can cross-react in vitro with hazelnut allergens, including 11S globulin and vicilin. High-level exposure to argan powder should be considered to be a potential cause of IgE-mediated allergy, and workers handling argan powder should be carefully investigated. © 2015 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

A genetic linkage map for hazelnut (Corylus avellana L.) based on RAPD and SSR markerswac

Treesearch

Shawn A. Mehlenbacher; Rebecca N. Brown; Eduardo R. Nouhra; Tufan Gokirmak; Nahla V. Bassil; Thomas L. Kubisiak

2006-01-01

A linkage map for European hazelnut (Corylus avellana L.) was constructed using random amplified polymorphic DNA (RAPD) and simple sequence repeat (SSR) markers and the 2-way pseudotestcross approach. A full-sib population of 144 seedlings from the cross OSU 252.146 x OSU 414.062 was used. RAPD markers in testcross configuration,segregating 1:I, were...

Effect of short-term hazelnut consumption on DNA damage and oxidized LDL in children and adolescents with primary hyperlipidemia: a randomized controlled trial.

PubMed

Guaraldi, Federica; Deon, Valeria; Del Bo', Cristian; Vendrame, Stefano; Porrini, Marisa; Riso, Patrizia; Guardamagna, Ornella

2018-07-01

Children with primary hyperlipidemia are prone to develop premature atherosclerosis, possibly associated with increased oxidative stress. Nutritional therapy is the primary strategy in the treatment of hyperlipidemia and associated conditions. Dietary interventions with bioactive-rich foods, such as nuts, may contribute to the modulation of both lipid profile and the oxidative/antioxidant status. Our study aimed to assess the impact of a dietary intervention with hazelnuts on selected oxidative stress markers in children and adolescents with primary hyperlipidemia. A single-blind, 8-week, randomized, controlled, three-arm, parallel-group study was performed. Children and adolescents diagnosed with primary hyperlipidemia (n=60) received dietary guidelines and were randomized into three groups: group 1 received hazelnuts with skin (HZN+S), and group 2 hazelnuts without skin (HZN-S), at equivalent doses (15-30 g/day, based on body weight); group 3 (controls) received only dietary recommendations (no nuts). At baseline and after 8 weeks, plasma oxidized low-density lipoprotein (ox-LDL) concentrations, oxidative levels of DNA damage in PBMCs and potential correlation with changes in serum lipids were examined. A reduction of endogenous DNA damage by 18.9%±51.3% (P=.002) and 23.1%±47.9% (P=.007) was observed after HZN+S and HZN-S, respectively. Oxidatively induced DNA strand breaks decreased by 16.0%±38.2% (P=.02) following HZN+S treatment. Ox-LDL levels did not change after HZN+S intervention but positively correlated with total cholesterol and LDL cholesterol. A short-term hazelnut intervention improves cell DNA protection and resistance against oxidative stress but not ox-LDL in hyperlipidemic pediatric patients. The trial was registered at ISRCTN.com, ID no. ISRCTN12261900. Copyright © 2018 Elsevier Inc. All rights reserved.

Identification and characterisation of water and alkali soluble oligosaccharides from hazelnut skin (Corylus avellana L.).

PubMed

Montella, Rosa; Coïsson, Jean Daniel; Travaglia, Fabiano; Locatelli, Monica; Bordiga, Matteo; Meyrand, Mickael; Barile, Daniela; Arlorio, Marco

2013-10-15

Hazelnut skins are a good example of agricultural by-product with the potential to become a valuable source of functional ingredients. In this work, the fibre from hazelnut skins was extracted by using water and alkali solution and characterised by a suite of analytical tools (MALDI-FTICR, nano LC-Chip-Q-ToF and gas chromatography). Over thirty complex free oligosaccharides, composed mainly of galacturonic acid and N-acetylgalactosamine, were characterised for the first time in the present study. Their concentration ranged between 16 and 34mg per g of extract. The oligosaccharides isolated from this agricultural by-product are mainly hexose oligosaccharides (potentially galacto-oligosaccharides,) and xyloglucans. The identified composition could justify the bioactive activity of the extracts, namely prebiotic activity, previously demonstrated. Copyright © 2013 Elsevier Ltd. All rights reserved.

Experimental evaluation of drying characteristics of sewage sludge and hazelnut shell mixtures

NASA Astrophysics Data System (ADS)

Pehlivan, Hüseyin; Ateş, Asude; Özdemir, Mustafa

2016-11-01

In this study the drying behavior of organic and agricultural waste mixtures has been experimentally investigated. The usability of sewage sludge as an organic waste and hazelnut shell as an agricultural waste was assessed in different mixture range. The paper discusses the applicability of these mixtures as a recovery energy source. Moisture content of mixtures has been calculated in laboratory and plant conditions. Indoor and outdoor solar sludge drying plants were constructed in pilot scale for experimental purposes. Dry solids and climatic conditions were constantly measured. A total more than 140 samples including for drying has been carried out to build up results. Indoor and outdoor weather conditions are taken into consideration in winter and summer. The most effective drying capacity is obtained in mixture of 20 % hazelnut shell and 80 % sewage sludge.

Epidemiological study of hazelnut bacterial blight in central Italy by using laboratory analysis and geostatistics.

PubMed

Lamichhane, Jay Ram; Fabi, Alfredo; Ridolfi, Roberto; Varvaro, Leonardo

2013-01-01

Incidence of Xanthomonas arboricola pv. corylina, the causal agent of hazelnut bacterial blight, was analyzed spatially in relation to the pedoclimatic factors. Hazelnut grown in twelve municipalities situated in the province of Viterbo, central Italy was studied. A consistent number of bacterial isolates were obtained from the infected tissues of hazelnut collected in three years (2010-2012). The isolates, characterized by phenotypic tests, did not show any difference among them. Spatial patterns of pedoclimatic data, analyzed by geostatistics showed a strong positive correlation of disease incidence with higher values of rainfall, thermal shock and soil nitrogen; a weak positive correlation with soil aluminium content and a strong negative correlation with the values of Mg/K ratio. No correlation of the disease incidence was found with soil pH. Disease incidence ranged from very low (<1%) to very high (almost 75%) across the orchards. Young plants (4-year old) were the most affected by the disease confirming a weak negative correlation of the disease incidence with plant age. Plant cultivars did not show any difference in susceptibility to the pathogen. Possible role of climate change on the epidemiology of the disease is discussed. Improved management practices are recommended for effective control of the disease.

Epidemiological Study of Hazelnut Bacterial Blight in Central Italy by Using Laboratory Analysis and Geostatistics

PubMed Central

Lamichhane, Jay Ram; Fabi, Alfredo; Ridolfi, Roberto; Varvaro, Leonardo

2013-01-01

Incidence of Xanthomonas arboricola pv. corylina, the causal agent of hazelnut bacterial blight, was analyzed spatially in relation to the pedoclimatic factors. Hazelnut grown in twelve municipalities situated in the province of Viterbo, central Italy was studied. A consistent number of bacterial isolates were obtained from the infected tissues of hazelnut collected in three years (2010–2012). The isolates, characterized by phenotypic tests, did not show any difference among them. Spatial patterns of pedoclimatic data, analyzed by geostatistics showed a strong positive correlation of disease incidence with higher values of rainfall, thermal shock and soil nitrogen; a weak positive correlation with soil aluminium content and a strong negative correlation with the values of Mg/K ratio. No correlation of the disease incidence was found with soil pH. Disease incidence ranged from very low (<1%) to very high (almost 75%) across the orchards. Young plants (4-year old) were the most affected by the disease confirming a weak negative correlation of the disease incidence with plant age. Plant cultivars did not show any difference in susceptibility to the pathogen. Possible role of climate change on the epidemiology of the disease is discussed. Improved management practices are recommended for effective control of the disease. PMID:23424654

Migrated phthalate levels into edible oils.

PubMed

Sungur, Sana; Okur, Ramazan; Turgut, Faruk Hilmi; Ustun, Ihsan; Gokce, Cumali

2015-01-01

The determination of phthalates in edible oils (virgin olive oil, olive oil, canola oil, hazelnut oil, sunflower oil, corn oil) sold in Turkish markets was carried out using gas chromatography-mass spectrometry. Mean phthalate concentrations were between 0.102 and 3.863 mg L(-1) in virgin olive oil; 0.172 and 6.486 mg L(-1) in olive oil; 0.501 and 3.651 mg L(-1) in hazelnut oil; 0.457 and 3.415 mg L(-1) in canola oil; 2.227 and 6.673 mg L(-1) in sunflower oil; and 1.585 and 6.248 mg L(-1) in corn oil. Furthermore, the influence of the types of oil and container to the phthalate migration was investigated. The highest phthalate levels were measured in sunflower oil. The lowest phthalate levels were determined in virgin olive oil and hazelnut oil. The highest phthalate levels were determined in oil samples contained in polyethylene terephthalate.

Cor a 14, the allergenic 2S albumin from hazelnut, is highly thermostable and resistant to gastrointestinal digestion

PubMed Central

Pfeifer, Sabine; Bublin, Merima; Dubiela, Pawel; Hummel, Karin; Wortmann, Judith; Hofer, Gerhard; Keller, Walter; Radauer, Christian

2015-01-01

Scope Allergens from nuts frequently induce severe allergic reactions in sensitive individuals. The aim of this study was to elucidate the physicochemical characteristics of natural Cor a 14, the 2S albumin from hazelnut. Methods and results Cor a 14 was purified from raw hazelnuts using a combination of precipitation and chromatographic techniques. The protein was analyzed using gel electrophoresis, MS, and far‐UV circular dichroism (CD) analyses. The immunoglobulin E (IgE) binding of native, heat‐treated, and in vitro digested Cor a 14 was studied. We identified two different Cor a 14 isoforms and showed microclipping at the C‐terminus. CD spectra at room temperature showed the typical characteristics of 2S albumins, and temperatures of more than 80°C were required to start unfolding of Cor a 14 demonstrating its high stability to heat treatment. In vitro digestion experiments revealed that Cor a 14 is resistant to proteolytic degradation. Native and heat‐treated protein was recognized by sera from hazelnut allergic patients. However, denaturation of the allergen led to significantly reduced IgE binding. Conclusion We identified two different isoforms of Cor a 14 displaying high stability under heating and gastric and duodenal conditions. Data from IgE‐binding experiments revealed the existence of both, linear and conformational epitopes. PMID:26178695

Performance evaluation of non-targeted peak-based cross-sample analysis for comprehensive two-dimensional gas chromatography-mass spectrometry data and application to processed hazelnut profiling.

PubMed

Kiefl, Johannes; Cordero, Chiara; Nicolotti, Luca; Schieberle, Peter; Reichenbach, Stephen E; Bicchi, Carlo

2012-06-22

The continuous interest in non-targeted profiling induced the development of tools for automated cross-sample analysis. Such tools were found to be selective or not comprehensive thus delivering a biased view on the qualitative/quantitative peak distribution across 2D sample chromatograms. Therefore, the performance of non-targeted approaches needs to be critically evaluated. This study focused on the development of a validation procedure for non-targeted, peak-based, GC×GC-MS data profiling. The procedure introduced performance parameters such as specificity, precision, accuracy, and uncertainty for a profiling method known as Comprehensive Template Matching. The performance was assessed by applying a three-week validation protocol based on CITAC/EURACHEM guidelines. Optimized ¹D and ²D retention times search windows, MS match factor threshold, detection threshold, and template threshold were evolved from two training sets by a semi-automated learning process. The effectiveness of proposed settings to consistently match 2D peak patterns was established by evaluating the rate of mismatched peaks and was expressed in terms of results accuracy. The study utilized 23 different 2D peak patterns providing the chemical fingerprints of raw and roasted hazelnuts (Corylus avellana L.) from different geographical origins, of diverse varieties and different roasting degrees. The validation results show that non-targeted peak-based profiling can be reliable with error rates lower than 10% independent of the degree of analytical variance. The optimized Comprehensive Template Matching procedure was employed to study hazelnut roasting profiles and in particular to find marker compounds strongly dependent on the thermal treatment, and to establish the correlation of potential marker compounds to geographical origin and variety/cultivar and finally to reveal the characteristic release of aroma active compounds. Copyright © 2012 Elsevier B.V. All rights reserved.

Influences of composted hazelnut husk on some physical properties of soils.

PubMed

Zeytin, Serhat; Baran, Abdullah

2003-07-01

Some physical properties of clay loam and sandy loam soils amended with hazelnut husk (HH) were investigated. HH collected from hazelnut trees were dried, ground and composted for four months. Before use the composted material obtained was separated to three different aggregate sizes, smaller than 0.84 mm, 0.84-2.38 mm and bigger than 2.38 mm. Then these fractions were mixed with soil samples, at 0%, 1%, 2%, 4% and 8% by weight. Huzelnut husk compost-soil mixtures were placed to plastic pots and kept in an incubator at 25+/-5 degrees C for 45 and 90 days. At the end of incubation periods, water stable aggregate (WSA), hydraulic conductivity, total porosity, aeration porosity and macro- and micro-pore percentages of the mixtures were determined. Results obtained showed that composted HH increased the WSA, hydraulic conductivity, total porosity and macro-pore percentage in both clay loam and sandy loam soils depending on the incubation time and aggregate sizes.

Fruit position within the canopy affects kernel lipid composition of hazelnuts.

PubMed

Pannico, Antonio; Cirillo, Chiara; Giaccone, Matteo; Scognamiglio, Pasquale; Romano, Raffaele; Caporaso, Nicola; Sacchi, Raffaele; Basile, Boris

2017-11-01

The aim of this research was to study the variability in kernel composition within the canopy of hazelnut trees. Kernel fresh and dry weight increased linearly with fruit height above the ground. Fat content decreased, while protein and ash content increased, from the bottom to the top layers of the canopy. The level of unsaturation of fatty acids decreased from the bottom to the top of the canopy. Thus, the kernels located in the bottom layers of the canopy appear to be more interesting from a nutritional point of view, but their lipids may be more exposed to oxidation. The content of different phytosterols increased progressively from bottom to top canopy layers. Most of these effects correlated with the pattern in light distribution inside the canopy. The results of this study indicate that fruit position within the canopy is an important factor in determining hazelnut kernel growth and composition. © 2017 Society of Chemical Industry. © 2017 Society of Chemical Industry.

Mycoflora and mycotoxin of hazelnut (Corylus avellana L.) and walnut (Juglans regia L.) seeds in Egypt.

PubMed

Abdel-Hafez, A I; Saber, S M

1993-03-01

Fifty-one species and 3 varieties appertaining to 20 genera were collected from 20 samples of each of hazelnut and walnut seeds on glucose- and 40% (W/V) sucrose-Czapek's agar at 25 degrees C and 45 degrees C with the most common mesophiles were Aspergillus flavus, A. fumigatus, A. niger, Cladosporium cladosporioides, C. herbarum, Penicillium chrysogenum, P. citrinum and P. oxalicum. Fusarium (represented by F. equiseti, F. moniliforme and F. oxysporum) was recovered from walnut seeds in moderate frequency (on glucose-Czapek's agar). Eurotium (E. amstelodami, E. chevalieri, E. repens and E. rubrum) was completely absent on glucose agar, but it was isolated in high frequency from the two types of seeds on 40% sucrose-Czapek's agar. Aspergillus fumigatus and Rhizomucor pusillus were the most common thermophilic fungi in hazelnut and walnut seeds on glucose agar at 45 degrees C. Humicola grisea var. themoidae and Thermoascus aurantiacus were encountered rarely from walnuts. The nuts samples were assayed for natural occurrence of aflatoxins B1, B2, G1 and G2, citrinin, ochratoxin A, patulin, sterigmatocystin, zearalenone, T-2 toxin and diacetoxyscirpenol by thin layer chromatography analysis. Aflatoxin was detected in 90% of hazelnut samples (25-175 micrograms/kg) and 75% of walnut samples (15-25 micrograms/kg). Zearalenone was detected in one sample of walnut (125 micrograms/kg). This is the first report for the presence of zearalenone in walnut. The other mycotoxins were not detected.

Severe allergic reactions to food in Norway: a ten year survey of cases reported to the food allergy register.

PubMed

Namork, Ellen; Fæste, Christiane K; Stensby, Berit A; Egaas, Eliann; Løvik, Martinus

2011-08-01

The Norwegian Food Allergy Register was established at the Norwegian Institute of Public Health in 2000. The purpose of the register is to gain information about severe allergic reactions to food in Norway and to survey food products in relation to allergen labelling and contamination. Cases are reported on a voluntary basis by first line doctors, and submitted together with a serum sample for specific IgE analysis. The register has received a total of 877 reports from 1 July, 2000 to 31 December, 2010. Two age groups, small children and young adults are over-represented, and the overall gender distribution is 40:60 males-females. The legumes lupine and fenugreek have been identified as two "new" allergens in processed foods and cases of contamination and faults in production of processed foods have been revealed. The highest frequency of food specific IgE is to hazelnuts and peanuts, with a marked increase in reactions to hazelnuts during the last three years. The Food Allergy Register has improved our knowledge about causes and severity of food allergic reactions in Norway. The results show the usefulness of population based national food allergy registers in providing information for health authorities and to secure safe food for individuals with food allergies.

Severe Allergic Reactions to Food in Norway: A Ten Year Survey of Cases Reported to the Food Allergy Register

PubMed Central

Namork, Ellen; Fæste, Christiane K.; Stensby, Berit A.; Egaas, Eliann; Løvik, Martinus

2011-01-01

The Norwegian Food Allergy Register was established at the Norwegian Institute of Public Health in 2000. The purpose of the register is to gain information about severe allergic reactions to food in Norway and to survey food products in relation to allergen labelling and contamination. Cases are reported on a voluntary basis by first line doctors, and submitted together with a serum sample for specific IgE analysis. The register has received a total of 877 reports from 1 July, 2000 to 31 December, 2010. Two age groups, small children and young adults are over-represented, and the overall gender distribution is 40:60 males-females. The legumes lupine and fenugreek have been identified as two “new” allergens in processed foods and cases of contamination and faults in production of processed foods have been revealed. The highest frequency of food specific IgE is to hazelnuts and peanuts, with a marked increase in reactions to hazelnuts during the last three years. The Food Allergy Register has improved our knowledge about causes and severity of food allergic reactions in Norway. The results show the usefulness of population based national food allergy registers in providing information for health authorities and to secure safe food for individuals with food allergies. PMID:21909296

Quantitative fingerprinting by headspace--two-dimensional comprehensive gas chromatography-mass spectrometry of solid matrices: some challenging aspects of the exhaustive assessment of food volatiles.

PubMed

Nicolotti, Luca; Cordero, Chiara; Cagliero, Cecilia; Liberto, Erica; Sgorbini, Barbara; Rubiolo, Patrizia; Bicchi, Carlo

2013-10-10

The study proposes an investigation strategy that simultaneously provides detailed profiling and quantitative fingerprinting of food volatiles, through a "comprehensive" analytical platform that includes sample preparation by Headspace Solid Phase Microextraction (HS-SPME), separation by two-dimensional comprehensive gas chromatography coupled with mass spectrometry detection (GC×GC-MS) and data processing using advanced fingerprinting approaches. Experiments were carried out on roasted hazelnuts and on Gianduja pastes (sugar, vegetable oil, hazelnuts, cocoa, nonfat dried milk, vanilla flavorings) and demonstrated that the information potential of each analysis can better be exploited if suitable quantitation methods are applied. Quantitation approaches through Multiple Headspace Extraction and Standard Addition were compared in terms of performance parameters (linearity, precision, accuracy, Limit of Detection and Limit of Quantitation) under headspace linearity conditions. The results on 19 key analytes, potent odorants, and technological markers, and more than 300 fingerprint components, were used for further processing to obtain information concerning the effect of the matrix on volatile release, and to produce an informative chemical blueprint for use in sensomics and flavoromics. The importance of quantitation approaches in headspace analysis of solid matrices of complex composition, and the advantages of MHE, are also critically discussed. Copyright © 2013 Elsevier B.V. All rights reserved.

Validation of Recipes for Double-Blind Placebo-Controlled Challenges With Milk, Egg White, and Hazelnut.

PubMed

González-Mancebo, E; Alonso Díaz de Durana, M D; García Estringana, Y; Meléndez Baltanás, A; Rodriguez-Alvarez, M; de la Hoz Caballer, B; Del Prado, N; Fernández-Rivas, M

The double-blind, placebo-controlled food challenge (DBPCFC) is considered the definitive diagnostic test for food allergy. Nevertheless, validated recipes for masking the foods are scarce, have not been standardized, and differ between centers. Sensory evaluation techniques such as the triangle test are necessary to validate the recipes used for DBPCFC. We developed 3 recipes for use in DBPCFC with milk, egg white, and hazelnut and used the triangle test to validate them in a 2-phase study in which 197 volunteers participated. In each phase, participants tried 3 samples (2 active-1 placebo or 2 placebo-1 active) and had to identify the odd one. In phase 1, the 3 samples were given simultaneously, whereas in phase 2, the 3 samples of foods that failed validation in phase 1 were given sequentially. A visual analog scale (VAS) ranging from 1 to 10 was used to evaluate how much participants liked the recipes. In phase 1, the egg white recipe was validated (n=89 volunteers, 38.9% found the odd sample, P=.16). Milk and hazelnut recipes were validated in phase 2 (for both foods, n=30 participants, 36.7% found the odd sample, P=.36). Median VAS scores for the 3 recipes ranged from 6.6 to 9.7. We used sensory testing to validate milk, egg white, and hazelnut recipes for use in DBPCFC. The validated recipes are easy to prepare in a clinical setting, provide the equivalent of 1 serving dose, and were liked by most participants.

Kinetics evaluation and thermal decomposition characteristics of co-pyrolysis of municipal sewage sludge and hazelnut shell.

PubMed

Zhao, Bing; Xu, Xinyang; Li, Haibo; Chen, Xi; Zeng, Fanqiang

2018-01-01

Hazelnut shell, as novel biomass, has lower ash content and abundant hydrocarbon, which can be utilized resourcefully with municipal sewage sludge (MSS) by co-pyrolyisis to decrease total content of pollution. The co-pyrolysis of MSS and hazelnut shell blend was analyzed by a method of multi-heating rates and different blend ratios with TG-DTG-MS under N 2 atmosphere. The apparent activation energy of co-pyrolysis was calculated by three iso-conversional methods. Satava-Sestak method was used to determine mechanism function G(α) of co-pyrolysis, and Lorentzian function was used to simulate multi-peaks curves. The results showed there were four thermal decomposition stages, and the biomass were cracked and evolved at different temperature ranges. The apparent activation energy increased from 123.99 to 608.15kJ/mol. The reaction mechanism of co-pyrolysis is random nucleation and nuclei growth. The apparent activation energy and mechanism function afford a theoretical groundwork for co-pyrolysis technology. Copyright © 2017 Elsevier Ltd. All rights reserved.

Evaluation of Pathogenicity of the Fungi Metarhizium anisopliae and Beauveria bassiana in Hazelnut Weevil (Curculio nucum L., Coleoptera, Curculionidae) Larvae.

PubMed

Cheng, Yunqing; Liu, Ting; Zhao, Yixin; Geng, Wanting; Chen, Longtao; Liu, Jianfeng

2016-12-01

The nut weevil ( Curculio nucum ) is one of the most important and widespread pests in hazelnut orchards. In order to screen entomopathogenic fungal strains with high virulence against C. nucum , the growth rate, sporulation, and cumulative mortality of different Metarhizium anisopliae and Beauveria bassiana strains were investigated, and the process by which M. anisopliae CoM 02 infects C. nucum larvae was observed using scanning electron microscopy. The results indicated that the growth rate and sporulation of different fungal strains significantly differed. Thirteen days after inoculation with M. anisopliae CoM 02, the cumulative mortality of C. nucum larvae reached 100 %, which was considerably higher than that of the other five strains. As the most virulent of the six test strains, the cadaver rate, LT 50 , and LT 90 of M. anisopliae CoM 02 were 93.4 %, 7.05 and 11.90 days, respectively. Analysis of the infection process by scanning electron microscopy showed that the spore attachment, hyphal germination, hyphal rapid growth, and sporulation of M. anisopliae CoM 02 occurred on the 3rd, 5th, 7th, and 11th day after inoculation, respectively, indicating that the infection cycle takes approximately 11 days. This finding suggests that the highly virulent M. anisopliae plays an important role in the biocontrol of C. nucum in China.

Prevalence of Salmonella in Cashews, Hazelnuts, Macadamia Nuts, Pecans, Pine Nuts, and Walnuts in the United States.

PubMed

Zhang, Guodong; Hu, Lijun; Melka, David; Wang, Hua; Laasri, Anna; Brown, Eric W; Strain, Errol; Allard, Marc; Bunning, Vincent K; Musser, Steven M; Johnson, Rhoma; Santillana Farakos, Sofia; Scott, Virginia N; Pouillot, Régis; Doren, Jane M Van; Hammack, Thomas S

2017-03-01

Nuts have been identified as a vector for salmonellosis. The objective of this project was to estimate the prevalence and contamination level of Salmonella in raw tree nuts (cashews, pecans, hazelnuts, macadamia nuts, pine nuts, and walnuts) at retail markets in the United States. A total of 3,656 samples of six types of tree nuts were collected from different types of retail stores and markets nationwide between October 2014 and October 2015. These samples were analyzed using a modified version of the Salmonella culture method from the U.S. Food and Drug Administration's Bacteriological Analytical Manual. Of the 3,656 samples collected and tested, 32 were culturally confirmed as containing Salmonella. These isolates represented 25 serotypes. Salmonella was not detected in pecans and in-shell hazelnuts. Salmonella prevalence estimates (and 95% confidence intervals) in cashews, shelled hazelnuts, pine nuts, walnuts, and macadamia nuts were 0.55% [0.15, 1.40], 0.35% [0.04, 1.20], 0.48% [0.10, 1.40], 1.20% [0.53, 2.40], and 4.20% [2.40, 6.90], respectively. The rates of Salmonella isolation from major or big chain supermarkets, small chain supermarkets, discount, variety, or drug stores, and online were 0.64% [0.38, 1.00], 1.60% [0.80, 2.90], 0.00% [0.00, 2.40], and 13.64% [2.90, 35.00], respectively (Cochran-Mantel-Haenszel test: P = 0.02). The rates of Salmonella isolation for conventional and organic nuts were not significantly different. Of the samples containing Salmonella, 60.7% had levels less than 0.003 most probable number (MPN)/g. The highest contamination level observed was 0.092 MPN/g. The prevalence and levels of Salmonella in these tree nut samples were comparable to those previously reported for similar foods.

Transcriptome analysis and gene expression profiling of abortive and developing ovules during fruit development in hazelnut.

PubMed

Cheng, Yunqing; Liu, Jianfeng; Zhang, Huidi; Wang, Ju; Zhao, Yixin; Geng, Wanting

2015-01-01

A high ratio of blank fruit in hazelnut (Corylus heterophylla Fisch) is a very common phenomenon that causes serious yield losses in northeast China. The development of blank fruit in the Corylus genus is known to be associated with embryo abortion. However, little is known about the molecular mechanisms responsible for embryo abortion during the nut development stage. Genomic information for C. heterophylla Fisch is not available; therefore, data related to transcriptome and gene expression profiling of developing and abortive ovules are needed. In this study, de novo transcriptome sequencing and RNA-seq analysis were conducted using short-read sequencing technology (Illumina HiSeq 2000). The results of the transcriptome assembly analysis revealed genetic information that was associated with the fruit development stage. Two digital gene expression libraries were constructed, one for a full (normally developing) ovule and one for an empty (abortive) ovule. Transcriptome sequencing and assembly results revealed 55,353 unigenes, including 18,751 clusters and 36,602 singletons. These results were annotated using the public databases NR, NT, Swiss-Prot, KEGG, COG, and GO. Using digital gene expression profiling, gene expression differences in developing and abortive ovules were identified. A total of 1,637 and 715 unigenes were significantly upregulated and downregulated, respectively, in abortive ovules, compared with developing ovules. Quantitative real-time polymerase chain reaction analysis was used in order to verify the differential expression of some genes. The transcriptome and digital gene expression profiling data of normally developing and abortive ovules in hazelnut provide exhaustive information that will improve our understanding of the molecular mechanisms of abortive ovule formation in hazelnut.

Nut-enriched bread is an effective and acceptable vehicle to improve regular nut consumption.

PubMed

Devi, Asika; Chisholm, Alexandra; Gray, Andrew; Tey, Siew Ling; Williamson-Poutama, Destynee; Cameron, Sonya L; Brown, Rachel C

2016-10-01

Consuming 30 g of nuts/day is recommended to reduce chronic disease. However, nut consumption appears far from ideal among several populations. A potential strategy to increase consumption is to add nuts to a staple, for example, bread. Whether the health benefits and acceptability of nuts persist in this form is currently unknown. Thus, we examined the effects of consuming three nut-enriched breads on postprandial glycaemia, satiety, gastrointestinal tolerance, dietary intakes, and acceptance. In this controlled, crossover study, 32 participants were randomly allocated to receive one of four breads for 8 days each. Three breads contained either 30 g of finely sliced hazelnuts, 30 g semi-defatted hazelnut flour, or 15 g of each (amounts per 120 g bread) and were compared with a control nut-free bread. Blood glucose response was measured over 120 min, along with ratings of gastrointestinal discomfort. Appetite ratings and diet diaries were completed during each treatment period. Area under the blood glucose curve was significantly lower for the nut breads compared to the control bread (all P < 0.001), with no significant differences between the nut breads (all P ≥ 0.130). There were no significant differences in satiety (all P ≥ 0.135) or gastrointestinal symptoms (all P ≥ 0.102) between the breads. Acceptance was highest for the finely sliced hazelnut bread. Furthermore, consuming hazelnut-enriched bread improved diet quality, increasing monounsaturated fat, vitamin E, and dietary fibre intakes. Bread appears to be an effective and acceptable vehicle for increasing nut consumption, resulting in improved postprandial glycaemia and diet profiles. Long-term studies are now required.

Motor behavior during the first chewing cycle in subjects with fixed tooth- or implant-supported prostheses.

PubMed

Grigoriadis, Joannis; Trulsson, Mats; Svensson, Krister G

2016-04-01

Appropriate sensory information from periodontal mechanoreceptors (PMRs) is important for optimizing the positioning of food and adjustment of force vectors during precision biting. This study was designed to describe motor behavior during the first cycle of a natural chewing task and to evaluate the role of such sensory input in this behavior. While 10 subjects with natural dentition, 11 with bimaxillary fixed tooth-supported prostheses (TSP) and 10 with bimaxillary fixed implant-supported prostheses (ISP) (mean age 69 [range 61-83]) chewed a total of five hazelnuts, their vertical and lateral jaw movements were recorded. Data obtained during the first chewing cycle of each hazelnut were analyzed. The amplitude of vertical and lateral mandibular movement and duration of jaw opening did not differ between the groups, indicating similar behavior during this part of the chewing cycle. However, only 30% of the subjects in the natural dentate group, but 82% of those in the TSP and 70% in the ISP group exhibited slippage of the hazelnut during jaw closure in at least one of five trials. The TSP and ISP groups also exhibited more irregular and narrower patterns of motion (total lateral/vertical movement = 0.15 and 0.19, respectively, compared to 0.27 for the natural group). Subjects with fixed tooth- or implant-supported prostheses in both jaws show altered behavior, including inadequate control of the hazelnut, during the first chewing cycle. We propose that these differences are due to impairment or absence of sensory signaling from PMRs in these individuals. © 2015 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

HRMS Profile of a Hazelnut Skin Proanthocyanidin-rich Fraction with Antioxidant and Anti-Candida albicans Activities.

PubMed

Piccinelli, Anna Lisa; Pagano, Imma; Esposito, Tiziana; Mencherini, Teresa; Porta, Amalia; Petrone, Anna Maria; Gazzerro, Patrizia; Picerno, Patrizia; Sansone, Francesca; Rastrelli, Luca; Aquino, Rita Patrizia

2016-01-27

Roasted hazelnut skins (RHS) represent a byproduct of kernel industrial processing. In this research, a RHS extract (RHS-M) and its fraction RHS-M-F3 enriched in proanthocyanidins (PAs), with antioxidant activity, were characterized in terms of total phenolic compound and PA contents. RHS-M and RHS-M-F3 showed antifungal properties against Candida albicans SC5314 (MIC2 = 3.00 and 0.10 μg/mL and MIC0 = 5.00 and 0.50 μg/mL, respectively), determined by the microbroth dilution method and Candida albicans morphological analysis. No cytotoxic effect on HEKa and HDFa cell lines was exhibited by RHS-M and RHS-M-F3. The metabolite profiling of RHS-M and RHS-M-F3 was performed by thiolysis followed by HPLC-UV-HRMS analysis and a combination of HRMS-FIA and HPLC-HRMS(n). Extract and fraction contain oligomeric PAs (mDP of 7.3 and 6.0, respectively, and DP up to 10) mainly constituted by B-type oligomers of (epi)-catechin. Also, (epi)-gallocatechin and gallate derivatives were identified as monomer units, and A-type PAs were detected as minor compounds.

Determination of fatty acid composition of γ-irradiated hazelnuts, walnuts, almonds, and pistachios

NASA Astrophysics Data System (ADS)

Gecgel, Umit; Gumus, Tuncay; Tasan, Murat; Daglioglu, Orhan; Arici, Muhammet

2011-04-01

Hazelnut, walnut, almonds, and pistachio nuts were treated with 1, 3, 5, and 7 kGy of gamma irradiation, respectively. Oil content, free fatty acid, peroxide value, and fatty acid composition of the nuts were investigated immediately after irradiation. The data obtained from the experiments indicated that gamma irradiation did not cause any significant change in the oil content of nuts. In contrast, free fatty acid and peroxide value of the nuts increased proportionally to the dose (p<0.05). Among the fatty acids determined, the concentration of total saturated fatty acids increased while total monounsaturated and total polyunsaturated fatty acids decreased with the irradiation dose (p<0.05 and <0.01).

Use of Cold Atmospheric Plasma to Detoxify Hazelnuts from Aflatoxins.

PubMed

Siciliano, Ilenia; Spadaro, Davide; Prelle, Ambra; Vallauri, Dario; Cavallero, Maria Chiara; Garibaldi, Angelo; Gullino, Maria Lodovica

2016-04-26

Aflatoxins, produced by Aspergillus flavus and A. parasiticus, can contaminate different foodstuffs, such as nuts. Cold atmospheric pressure plasma has the potential to be used for mycotoxin detoxification. In this study, the operating parameters of cold atmospheric pressure plasma were optimized to reduce the presence of aflatoxins on dehulled hazelnuts. First, the effect of different gases was tested (N₂, 0.1% O₂ and 1% O₂, 21% O₂), then power (400, 700, 1000, 1150 W) and exposure time (1, 2, 4, and 12 min) were optimized. In preliminary tests on aflatoxin standard solutions, this method allowed to obtain a complete detoxification using a high power for a few minutes. On hazelnuts, in similar conditions (1000 W, 12 min), a reduction in the concentration of total aflatoxins and AFB₁ of over 70% was obtained. Aflatoxins B₁ and G₁ were more sensitive to plasma treatments compared to aflatoxins B₂ and G₂, respectively. Under plasma treatment, aflatoxin B₁ was more sensitive compared to aflatoxin G₁. At the highest power, and for the longest time, the maximum temperature increment was 28.9 °C. Cold atmospheric plasma has the potential to be a promising method for aflatoxin detoxification on food, because it is effective and it could help to maintain the organoleptic characteristics.

Use of Cold Atmospheric Plasma to Detoxify Hazelnuts from Aflatoxins

PubMed Central

Siciliano, Ilenia; Spadaro, Davide; Prelle, Ambra; Vallauri, Dario; Cavallero, Maria Chiara; Garibaldi, Angelo; Gullino, Maria Lodovica

2016-01-01

Aflatoxins, produced by Aspergillus flavus and A. parasiticus, can contaminate different foodstuffs, such as nuts. Cold atmospheric pressure plasma has the potential to be used for mycotoxin detoxification. In this study, the operating parameters of cold atmospheric pressure plasma were optimized to reduce the presence of aflatoxins on dehulled hazelnuts. First, the effect of different gases was tested (N2, 0.1% O2 and 1% O2, 21% O2), then power (400, 700, 1000, 1150 W) and exposure time (1, 2, 4, and 12 min) were optimized. In preliminary tests on aflatoxin standard solutions, this method allowed to obtain a complete detoxification using a high power for a few minutes. On hazelnuts, in similar conditions (1000 W, 12 min), a reduction in the concentration of total aflatoxins and AFB1 of over 70% was obtained. Aflatoxins B1 and G1 were more sensitive to plasma treatments compared to aflatoxins B2 and G2, respectively. Under plasma treatment, aflatoxin B1 was more sensitive compared to aflatoxin G1. At the highest power, and for the longest time, the maximum temperature increment was 28.9 °C. Cold atmospheric plasma has the potential to be a promising method for aflatoxin detoxification on food, because it is effective and it could help to maintain the organoleptic characteristics. PMID:27128939

Phytotoxic Metabolites Produced by Diaporthella cryptica, the Causal Agent of Hazelnut Branch Canker.

PubMed

Cimmino, Alessio; Nocera, Paola; Linaldeddu, Benedetto Teodoro; Masi, Marco; Gorecki, Marcin; Pescitelli, Gennaro; Montecchio, Lucio; Maddau, Lucia; Evidente, Antonio

2018-04-04

From the culture filtrates of Diaporthella cryptica, an emerging hazelnut pathogen, 2-hydroxy-3-phenylpropanoate methyl ester and its 3-(4-hydroxyphenyl) and 3-(1 H-indol-3-yl) analogues, named crypticins A-C, were isolated together with the well-known tyrosol. Crypticins A-C were identified by spectroscopic (essentially nuclear magnetic resonance and high-resolution electrospray ionization mass spectrometry) methods. The R absolute configuration (AC) of crypticin A was determined by comparing its optical rotation and electronic circular dichroism (ECD) spectrum with those of papuline, the methyl ester of (-)( S)-phenyllactic acid isolated as the main phytotoxin of Pseudomonas syringae pv.  papulans, responsible for apple blister spot. The ACs of crypticins B and C were determined by time-dependent density functional theory calculations of their ECD spectra. Papuline and the new metabolites herein isolated, except tyrosol, were tested at 1 mg/mL on cork oak, grapevine, hazelnut, and holm oak leaves using the leaf puncture assay. They were also tested on tomato cuttings at 0.5 and 0.05 mg/mL. In the leaf puncture assay, none of the compounds was found to be active. Crypticin C and papuline were active in the tomato cutting assay. Additionally, crypticin C displayed moderate inhibitory effect against Phytophthora cambivora.

Effect of co-combustion on the burnout of lignite/biomass blends: a Turkish case study.

PubMed

Haykiri-Acma, H; Yaman, S

2008-11-01

Co-combustion of Turkish Elbistan lignite and woody shells of hazelnut was performed in a TGA up to 1173 K with a heating rate of 20 K/min. SEM images of each fuel revealed the differences in their physical appearances. Hazelnut shell was blended with lignite in the range of 2-20 wt% to observe the co-combustion properties. Maximum burning rates (Rmax), temperatures of the maximum burning rates (T(R-max)), and the final burnout values of the parent samples and the blends were compared. The results were interpreted considering lignite properties and the major biomass ingredients such as cellulosics, hemicellulosics, and lignin. Deviations between the theoretical and experimental burnout values were evaluated at various temperatures. Burnout characteristics of the blends up to 10 wt% were concluded to have a synergistic effect so the addition of hazelnut shell up to 8 wt% provided higher burnouts than the expected theoretical ones, whereas addition of as much as 10 wt% led to a decrease in the burnout. However, the additive effects were more favorable for the blend having a biomass content of 20 wt%. Apparent activation energy, Rmax, and T(R-max), were found to follow the additive behavior for the blend samples.

Fox Squirrels Match Food Assessment and Cache Effort to Value and Scarcity

PubMed Central

Delgado, Mikel M.; Nicholas, Molly; Petrie, Daniel J.; Jacobs, Lucia F.

2014-01-01

Scatter hoarders must allocate time to assess items for caching, and to carry and bury each cache. Such decisions should be driven by economic variables, such as the value of the individual food items, the scarcity of these items, competition for food items and risk of pilferage by conspecifics. The fox squirrel, an obligate scatter-hoarder, assesses cacheable food items using two overt movements, head flicks and paw manipulations. These behaviors allow an examination of squirrel decision processes when storing food for winter survival. We measured wild squirrels' time allocations and frequencies of assessment and investment behaviors during periods of food scarcity (summer) and abundance (fall), giving the squirrels a series of 15 items (alternating five hazelnuts and five peanuts). Assessment and investment per cache increased when resource value was higher (hazelnuts) or resources were scarcer (summer), but decreased as scarcity declined (end of sessions). This is the first study to show that assessment behaviors change in response to factors that indicate daily and seasonal resource abundance, and that these factors may interact in complex ways to affect food storing decisions. Food-storing tree squirrels may be a useful and important model species to understand the complex economic decisions made under natural conditions. PMID:24671221

An object-based approach for tree species extraction from digital orthophoto maps

NASA Astrophysics Data System (ADS)

Jamil, Akhtar; Bayram, Bulent

2018-05-01

Tree segmentation is an active and ongoing research area in the field of photogrammetry and remote sensing. It is more challenging due to both intra-class and inter-class similarities among various tree species. In this study, we exploited various statistical features for extraction of hazelnut trees from 1 : 5000 scaled digital orthophoto maps. Initially, the non-vegetation areas were eliminated using traditional normalized difference vegetation index (NDVI) followed by application of mean shift segmentation for transforming the pixels into meaningful homogeneous objects. In order to eliminate false positives, morphological opening and closing was employed on candidate objects. A number of heuristics were also derived to eliminate unwanted effects such as shadow and bounding box aspect ratios, before passing them into the classification stage. Finally, a knowledge based decision tree was constructed to distinguish the hazelnut trees from rest of objects which include manmade objects and other type of vegetation. We evaluated the proposed methodology on 10 sample orthophoto maps obtained from Giresun province in Turkey. The manually digitized hazelnut tree boundaries were taken as reference data for accuracy assessment. Both manually digitized and segmented tree borders were converted into binary images and the differences were calculated. According to the obtained results, the proposed methodology obtained an overall accuracy of more than 85 % for all sample images.

Post-prandial effects of hazelnut-enriched high fat meal on LDL oxidative status, oxidative and inflammatory gene expression of healthy subjects: a randomized trial.

PubMed

Di Renzo, L; Merra, G; Botta, R; Gualtieri, P; Manzo, A; Perrone, M A; Mazza, M; Cascapera, S; De Lorenzo, A

2017-04-01

Postprandial oxidative stress is characterized by an increased susceptibility of the organism towards oxidative damage after consumption of a meal rich in lipids and/or carbohydrates. Micronutrients modulate the immune system and exert a protective action by reducing low-density lipoproteins oxidation (ox-LDL) via induction of antioxidant enzymes. The clinical study was a randomized and cross-over trial, conducted through the CONSORT flowchart. We evaluated the gene expression of 103 genes related to oxidative stress (HOSp) and human inflammasome pathways (HIp), and ox-LDL level at fasting and after 40 g raw "Tonda Gentile delle Langhe" hazelnut consumption, in association with a McDonald's® Meal (McDM) in 22 healthy human volunteers. Ox-LDL levels significantly increased comparing no dietary treatment (NDT) vs. McDM, and decreased comparing McDM vs. McDM + H (p<0.05). Percentage of significant genes expressed after each dietary treatment were the follows: (A) NDT vs. McDM: 3.88% HIp and 17.48% HOSp; (B) NDT vs. McDM + H: 17.48% HIp and 23.30% HOSp; (C) McDM vs. McDM + H: 17.48% HIp and 33.98% HOSp. Hazelnut consumption reduced post prandial risk factors of atherosclerosis, such as ox-LDL, and the expression of inflammation and oxidative stress related genes. Chronic studies on larger population are necessary before definitive conclusions.

Microencapsulation of Lithium

DTIC Science & Technology

1985-12-31

nuts, chestnuts, f ilberts, hazelnuts, pecans , walnuts (all nuts, in %hells). In other countries, the appropriate government regulatory agencies...75012 Paris, France, 10 Rue Villiot .. ...... . . . . . . 347.87-45 NEAR EAST 20124 Milan, Italy , Via Rosellini 12 ... ...... ...... 688.4563 Hemel

Vicilin allergens of peanut and tree nuts (walnut, hazelnut and cashew nut) share structurally related IgE-binding epitopes.

PubMed

Barre, Annick; Sordet, Camille; Culerrier, Raphaël; Rancé, Fabienne; Didier, Alain; Rougé, Pierre

2008-03-01

Surface-exposed IgE-binding epitopes of close overall conformation were characterized on the molecular surface of three-dimensional models built for the vicilin allergens of peanut (Ara h 1), walnut (Jug r 2), hazelnut (Cor a 11) and cashew nut (Ana o 1). They correspond to linear stretches of conserved amino acid sequences mainly located along the C-terminus of the polypeptide chains. A glyco-epitope corresponding to an exposed N-glycosylation site could also interfere with the IgE-binding epitopes. All these epitopic regions should participate in the IgE-binding cross-reactivity commonly reported between tree nuts or between peanut and some tree nuts in sensitized individuals. Owing to this epitopic community which constitutes a risk of cross-sensitization, the avoidance or a restricted consumption of other tree nuts should be recommended to peanut-sensitized individuals.

Failure of introduction of food allergens after negative oral food challenge tests in children.

PubMed

van der Valk, J P M; Gerth van Wijk, R; Vergouwe, Y; de Jong, N W

2015-08-01

One of the purposes to perform an oral food challenge (FC) test is to avoid unnecessary elimination of food allergens. In case of a negative FC test result, the food can be introduced. It is, however, unknown if patients act according to the outcome of the test. This study evaluates the rate of introduction of peanut, hazelnut, cow's milk or hen's egg allergens after a negative FC test. We investigated the introduction rate of children (0-18 years) with a negative FC test visiting the Department of Allergology, Erasmus Medical Centre Rotterdam from 2008 till 2013 and the factors that influence the rate of introduction. Patients were asked to complete a comprehensive questionnaire about their FC test. In total, 157 (38% girls, mean age during challenge 6.9 years) participated in the study. Of these FC tests, 104 (56%) were followed by a successful introduction, 30 (16%) by a partly introduction (traces or processed foods) and 52 (28%) by a failed introduction. Peanut and hazelnut showed a statistically significant lower successful introduction rate. Age, gender, symptoms during FC test, dietary advice and time period to introduction significantly influenced the rate of introduction. One fourth of the children with failure of introducing foods experienced symptoms during the introduction. More than one quarter of all children with a negative FC test result did not introduce the food. The FC test in its current form does not achieve its objective for this group of children.

7 CFR 982.454 - Sureties acceptable to the Board.

Code of Federal Regulations, 2010 CFR

2010-01-01

....454 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE HAZELNUTS... condition of accepting any surety, the Board may require such financial statements or other information...

40 CFR 180.106 - Diuron; tolerances for residues.

Code of Federal Regulations, 2011 CFR

2011-07-01

... Goat, fat 1 Goat, meat 1 Goat, meat byproducts 1 Grain, aspirated fractions 5.0 Grape 0.05 Grass, forage, except bermudagrass 2 Grass, hay, except bermudagrass 2 Hazelnut 0.1 Hog, fat 1 Hog, meat 1 Hog...

40 CFR 180.106 - Diuron; tolerances for residues.

Code of Federal Regulations, 2010 CFR

2010-07-01

... Goat, fat 1 Goat, meat 1 Goat, meat byproducts 1 Grain, aspirated fractions 5.0 Grape 0.05 Grass, forage, except bermudagrass 2 Grass, hay, except bermudagrass 2 Hazelnut 0.1 Hog, fat 1 Hog, meat 1 Hog...

Nutrient composition of selected traditional native American plant foods

USDA-ARS?s Scientific Manuscript database

Ten wild plants (cattail narrow leaf shoots, chokecherries, beaked hazelnuts, lambsquarters, plains pricklypear, prairie turnips, stinging nettles, wild plums, raspberries, rose hips) from three Native American reservations in North Dakota were analyzed to expand composition information of tradition...

Tree nut oils

USDA-ARS?s Scientific Manuscript database

The major tree nuts include almonds, Brazil nuts, cashew nuts, hazelnuts, macadamia nuts, pecans, pine nuts, pistachio nuts, and walnuts. Tree nut oils are appreciated in food applications because of their flavors and are generally more expensive than other gourmet oils. Research during the last de...

Highly Informative Simple Sequence Repeat (SSR) Markers for Fingerprinting Hazelnut

USDA-ARS?s Scientific Manuscript database

Simple sequence repeat (SSR) or microsatellite markers have many applications in breeding and genetic studies of plants, including fingerprinting of cultivars and investigations of genetic diversity, and therefore provide information for better management of germplasm collections. They are repeatab...

40 CFR 180.476 - Triflumizole; tolerances for residues.

Code of Federal Regulations, 2014 CFR

2014-07-01

..., tart 1.5 Cilantro, leaves 35 Fruit, pome, group 11-10 0.50 Fruit, small, vine climbing, except fuzzy... Hazelnut 0.05 Hop, dried cones 50 Leafy greens subgroup 4A, except spinach 35 Mango 2.5 Papaya 2.5...

7 CFR 982.11 - Pack.

Code of Federal Regulations, 2010 CFR

2010-01-01

... according to size, internal quality, and external appearance and condition of hazelnuts packed in accordance... 7 Agriculture 8 2010-01-01 2010-01-01 false Pack. 982.11 Section 982.11 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and...

7 CFR 982.30 - Establishment and membership.

Code of Federal Regulations, 2010 CFR

2010-01-01

... Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing... is hereby established a Hazelnut Marketing Board consisting of 10 members, each of whom shall have an... the same eligibility qualifications. The 10 member positions shall be allocated as follows: (b) Four...

7 CFR 982.40 - Marketing policy and volume regulation.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 7 Agriculture 8 2010-01-01 2010-01-01 false Marketing policy and volume regulation. 982.40 Section 982.40 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE HAZELNUTS...

7 CFR 982.87 - Effect of termination or amendment.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 7 Agriculture 8 2010-01-01 2010-01-01 false Effect of termination or amendment. 982.87 Section 982.87 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE HAZELNUTS...

7 CFR 982.39 - Duties.

Code of Federal Regulations, 2010 CFR

2010-01-01

... investigate the growing, shipping and marketing conditions with respect to hazelnuts, and assemble data in... of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and... the Board at least once for each marketing year and at such other times as the Board deems necessary...

Cross-sensitization profiles of edible nuts in a birch-endemic area.

PubMed

Uotila, R; Kukkonen, A K; Pelkonen, A S; Mäkelä, M J

2016-04-01

Sensitization to birch pollen causes cross-sensitization to nuts, but rarely leads to clinical nut allergy. The aim was to study sensitizations to nuts in individuals sensitized to birch pollen and examine cross-reactivities between birch and nut species. All subjects with skin prick tests (SPTs) for birch pollen conducted during 1997-2013 in the Skin and Allergy Hospital in Helsinki (n = 114 572) and their available SPTs for nuts (n = 50 604) were included. Nut sensitizations were analyzed both with and without cosensitization to birch and stratified into age-categories. Cross-reactivities were analyzed with hierarchical clustering. One group of 1589 patients was surveyed for symptoms. Data were gathered also from Lapland to examine sensitizations in an area with less birch-pollen exposure. Of subjects with birch sensitization, 84% were cosensitized to hazelnut, 71% to almond, and 60% to peanut. In a subgroup without birch sensitization, young children (<5 years) were most commonly nut-sensitized (8-40%); and this prevalence decreased in adolescents and further in adults (4-12%). Cashew and pistachio (ρ = 0.66; P < 0.001) and pecan and walnut (ρ = 0.65; P < 0.001) correlated the strongest. The majority of nut-sensitized patients (71% hazelnut, 83% almond, 73% peanut) reported no or mild symptoms. Cosensitizations between nuts and birch were similar in Lapland with its lower birch-pollen exposure. Birch-sensitized individuals are frequently cosensitized to hazelnut, almond, and peanut. Among the birch-negatives, prevalences of nut sensitizations decrease from early childhood to adolescence. Cashew and pistachio, and pecan and walnut cross-react the most. © 2015 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

Diagnostic accuracy, risk assessment, and cost-effectiveness of component-resolved diagnostics for food allergy: A systematic review.

PubMed

Flores Kim, J; McCleary, N; Nwaru, B I; Stoddart, A; Sheikh, A

2018-01-10

Component-resolved diagnostics (CRD) are promising tools for diagnosing food allergy, offering the potential to determine specific phenotypes and to develop patient-tailored risk profiles. Nevertheless, the diagnostic accuracy of these tests varies across studies; thus, their clinical utility remains unclear. Therefore, we synthesized the evidence from studies investigating the diagnostic accuracy, risk assessment ability, and cost-effectiveness of CRD for food allergy. We systematically searched 10 electronic databases and four clinical trial registries for studies published from January 2000 to February 2017. The quality of included studies was assessed using QUADAS-2. Due to heterogeneity, we narratively synthesized the evidence. Eleven studies met inclusion criteria, altogether recruiting 1098 participants. The food allergies investigated were cow's milk, hen's egg, peanut, hazelnut, and shrimp. The components with the highest diagnostic accuracy for each allergen, along with their sensitivity-specificity pairs, were as follows: Bos d 4 for cow's milk (62.0% and 87.5%), Gal d 1 for hen's egg (84.2% and 89.8% for heated egg, and 60.6% and 97.1% for raw egg), Ara h 6 for peanut (94.9% and 95.1%), Cor a 14 for hazelnut (100% and 93.8%), and Lit v 1 for shrimp (82.8% and 56.3%) allergy. Selected components of cow's milk, hen's egg, peanut, hazelnut, and shrimp allergen showed high specificity, but lower sensitivity. However, few studies exist for each component, and studies vary widely regarding the cutoff values used, making it challenging to synthesize findings across studies. Further research is needed to determine clinically appropriate cutoff values, risk assessment abilities, and cost-effectiveness of CRD approaches. © 2018 The Authors. Allergy Published by John Wiley & Sons Ltd.

7 CFR 982.471 - Records.

Code of Federal Regulations, 2013 CFR

2013-01-01

... 7 Agriculture 8 2013-01-01 2013-01-01 false Records. 982.471 Section 982.471 Agriculture... WASHINGTON Administrative Rules and Regulations § 982.471 Records. Each handler shall maintain complete and accurate records showing the receipt, shipment and sale of all hazelnuts handled, used or otherwise...

7 CFR 982.471 - Records.

Code of Federal Regulations, 2011 CFR

2011-01-01

... 7 Agriculture 8 2011-01-01 2011-01-01 false Records. 982.471 Section 982.471 Agriculture... WASHINGTON Administrative Rules and Regulations § 982.471 Records. Each handler shall maintain complete and accurate records showing the receipt, shipment and sale of all hazelnuts handled, used or otherwise...

7 CFR 982.471 - Records.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 7 Agriculture 8 2010-01-01 2010-01-01 false Records. 982.471 Section 982.471 Agriculture... WASHINGTON Administrative Rules and Regulations § 982.471 Records. Each handler shall maintain complete and accurate records showing the receipt, shipment and sale of all hazelnuts handled, used or otherwise...

Influence of roasting conditions on health-related compounds in different nuts.

PubMed

Schlörmann, W; Birringer, M; Böhm, V; Löber, K; Jahreis, G; Lorkowski, S; Müller, A K; Schöne, F; Glei, M

2015-08-01

Due to their health-beneficial ingredients the consumption of nuts can contribute to a healthy diet. The composition of hazelnuts, almonds, macadamia nuts, pistachios and walnuts regarding health-promoting and potentially harmful compounds was examined before and after roasting under different time and temperature conditions. Fatty acid compositions were not affected by roasting. Malondialdehyde increased with higher roasting temperatures (17-fold in walnuts). Levels of tocopherol isomers were reduced after roasting (α-T: 38%, β-T: 40%, γ-T: 70%) and hydrophilic antioxidant capacity decreased significantly in hazelnuts (1.4-fold), macadamia nuts (1.7-fold) and walnuts (3.7-fold). Increasing roasting temperatures supported the formation of significant amounts of acrylamide only in almonds (1220 μg kg(-1)). In general, nuts roasted at low/middle temperatures (120-160°C) exhibited best sensory properties. Therefore, desired sensory quality along with a favourable healthy nut composition may be achieved by roasting over a low to medium temperature range. Copyright © 2015 Elsevier Ltd. All rights reserved.

7 CFR 982.16 - Inshell trade acquisitions.

Code of Federal Regulations, 2011 CFR

2011-01-01

... 7 Agriculture 8 2011-01-01 2011-01-01 false Inshell trade acquisitions. 982.16 Section 982.16... WASHINGTON Order Regulating Handling Definitions § 982.16 Inshell trade acquisitions. Inshell trade acquisitions means the quantity of inshell hazelnuts acquired by the trade from all handlers during a marketing...

7 CFR 982.16 - Inshell trade acquisitions.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 7 Agriculture 8 2010-01-01 2010-01-01 false Inshell trade acquisitions. 982.16 Section 982.16... WASHINGTON Order Regulating Handling Definitions § 982.16 Inshell trade acquisitions. Inshell trade acquisitions means the quantity of inshell hazelnuts acquired by the trade from all handlers during a marketing...

7 CFR 982.16 - Inshell trade acquisitions.

Code of Federal Regulations, 2014 CFR

2014-01-01

... 7 Agriculture 8 2014-01-01 2014-01-01 false Inshell trade acquisitions. 982.16 Section 982.16... WASHINGTON Order Regulating Handling Definitions § 982.16 Inshell trade acquisitions. Inshell trade acquisitions means the quantity of inshell hazelnuts acquired by the trade from all handlers during a marketing...

7 CFR 982.16 - Inshell trade acquisitions.

Code of Federal Regulations, 2013 CFR

2013-01-01

... 7 Agriculture 8 2013-01-01 2013-01-01 false Inshell trade acquisitions. 982.16 Section 982.16... WASHINGTON Order Regulating Handling Definitions § 982.16 Inshell trade acquisitions. Inshell trade acquisitions means the quantity of inshell hazelnuts acquired by the trade from all handlers during a marketing...

7 CFR 982.7 - To handle.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 7 Agriculture 8 2010-01-01 2010-01-01 false To handle. 982.7 Section 982.7 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and... hazelnuts, inshell or shelled, into the channels of trade either within the area of production or from such...

7 CFR 982.71 - Records.

Code of Federal Regulations, 2011 CFR

2011-01-01

... 7 Agriculture 8 2011-01-01 2011-01-01 false Records. 982.71 Section 982.71 Agriculture Regulations... Order Regulating Handling Records and Reports § 982.71 Records. Each handler shall maintain such records of hazelnuts received, held, and disposed of by the handler, and such records detailing such handler...

7 CFR 982.71 - Records.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 7 Agriculture 8 2010-01-01 2010-01-01 false Records. 982.71 Section 982.71 Agriculture Regulations... Order Regulating Handling Records and Reports § 982.71 Records. Each handler shall maintain such records of hazelnuts received, held, and disposed of by the handler, and such records detailing such handler...

7 CFR 982.71 - Records.

Code of Federal Regulations, 2013 CFR

2013-01-01

... 7 Agriculture 8 2013-01-01 2013-01-01 false Records. 982.71 Section 982.71 Agriculture Regulations... Order Regulating Handling Records and Reports § 982.71 Records. Each handler shall maintain such records of hazelnuts received, held, and disposed of by the handler, and such records detailing such handler...

7 CFR 982.16 - Inshell trade acquisitions.

Code of Federal Regulations, 2012 CFR

2012-01-01

... 7 Agriculture 8 2012-01-01 2012-01-01 false Inshell trade acquisitions. 982.16 Section 982.16 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Marketing Agreements and Orders; Fruits, Vegetables, Nuts), DEPARTMENT OF AGRICULTURE HAZELNUTS GROWN IN OREGON AND WASHINGTON Order Regulating Handling...

Detection of contaminated hazelnuts and ground red chili pepper flakes by multispectral imaging

USDA-ARS?s Scientific Manuscript database

Mycotoxins are the toxic metabolites of certain filamentous fungi and have been demonstrated to cause various health problems in humans, including immunosuppression and cancer. Among them, the aflatoxins have received greater attention because they are potent carcinogens and are responsible for many...

Moisture Adsorption Isotherm and Storability of Hazelnut Inshells and Kernels Produced in Oregon, USA.

PubMed

Jung, Jooyeoun; Wang, Wenjie; McGorrin, Robert J; Zhao, Yanyun

2018-02-01

Moisture adsorption isotherms and storability of dried hazelnut inshells and kernels produced in Oregon were evaluated and compared among cultivars, including Barcelona, Yamhill, and Jefferson. Experimental moisture adsorption data fitted to Guggenheim-Anderson-de Boer (GAB) model, showing less hygroscopic properties in Yamhill than other cultivars of inshells and kernels due to lower content of carbohydrate and protein, but higher content of fat. The safe levels of moisture content (MC, dry basis) of dried inshells and kernels for reaching kernel water activity (a w ) ≤0.65 were estimated using the GAB model as 11.3% and 5.0% for Barcelona, 9.4% and 4.2% for Yamhill, and 10.7% and 4.9% for Jefferson, respectively. Storage conditions (2 °C at 85% to 95% relative humidity [RH], 10 °C at 65% to 75% RH, and 27 °C at 35% to 45% RH), times (0, 4, 8, or 12 mo), and packaging methods (atmosphere vs. vacuum) affected MC, a w , bioactive compounds, lipid oxidation, and enzyme activity of dried hazelnut inshells or kernels. For inshells packaged at woven polypropylene bag, MC and a w of inshells and kernels (inside shells) increased at 2 and 10 °C, but decreased at 27 °C during storage. For kernels, lipid oxidation and polyphenol oxidase activity also increased with extended storage time (P < 0.05), and MC and a w of vacuum packaged samples were more stable during storage than those atmospherically packaged ones. Principal component analysis showed correlation of kernel qualities with storage condition, time, and packaging method. This study demonstrated that the ideal storage condition or packaging method varied among cultivars due to their different moisture adsorption and physicochemical and enzymatic stability during storage. Moisture adsorption isotherm of hazelnut inshells and kernels is useful for predicting the storability of nuts. This study found that water adsorption and storability varied among the different cultivars of nuts, in which Yamhill was less hygroscopic than Barcelona and Jefferson, thus more stable during storage. For ensuring food safety and quality of nuts during storage, each cultivar of kernels should be dried to a certain level of MC. Lipid oxidation and enzyme activity of kernel could be increased with extended storage time. Vacuum packaging was recommended to kernels for reducing moisture adsorption during storage. © 2018 Institute of Food Technologists®.

7 CFR 982.38 - Powers.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 7 Agriculture 8 2010-01-01 2010-01-01 false Powers. 982.38 Section 982.38 Agriculture Regulations... Order Regulating Handling Hazelnut Control Board § 982.38 Powers. The Board shall have the following powers: (a) To administer the provisions of this subpart in accordance with its terms; (b) To make rules...

Developing hazelnut tissue culture medium free of ion confounding

USDA-ARS?s Scientific Manuscript database

The general approach for tissue culture medium optimization is to use salts as factors in experimental design and analysis. However, using salts as factors leads to ion confounding, making it difficult to detect the effects of individual ions on particular growth responses. This study focused on tes...

7 CFR 982.38 - Powers.

Code of Federal Regulations, 2011 CFR

2011-01-01

... 7 Agriculture 8 2011-01-01 2011-01-01 false Powers. 982.38 Section 982.38 Agriculture Regulations... Order Regulating Handling Hazelnut Control Board § 982.38 Powers. The Board shall have the following powers: (a) To administer the provisions of this subpart in accordance with its terms; (b) To make rules...

7 CFR 999.400 - Regulation governing the importation of filberts.

Code of Federal Regulations, 2010 CFR

2010-01-01

...) Definitions. (1) Filberts means filberts or hazelnuts. (2) Inshell filberts means filberts, the kernels or edible portions of which are contained in the shell. (3) Shelled filberts means the kernels of filberts... Filbert kernels or portions of filbert kernels shall meet the following requirements: (1) Well dried and...

Water uptake in biochars: The roles of porosity and hydrophobicity

EPA Science Inventory

We assessed the effects of porosity and hydrophobicity on water uptake by biochars. Biochars were produced from two feedstocks (hazelnut shells and Douglas fir chips) at three production temperatures (370 °C, 500 °C, and 620 °C). To distinguish the effects of porosity from the ...

[Establishment of optimun conditions in order to obtain a protein isolate from Chilean Hazelnut].

PubMed

Villarroel, Mario; Zapata, Constanza; Pino, Leonardo; Rubilar, Mónica

2012-03-01

An alternative to solve the problem of the overall deficit of proteins has been the use ofdefatted cakes generated by the extraction of oil from vegetable sources such as rapeseed, soybean, lupin, etc. This process at the same time increases the protein content, making this feasible to be used to enrich some types of food. This is the case of the chilean hazelnut (Gevuina avellana, Mol), monotypic species characterized by their high percentage of oil (50%) and whose defatted cake isolated protein could be used to obtain an isolated protein. For this purpose optimized conditions of extraction of protein were carried out using the surface response methodology (SRM) and a central composite design with three independent variables: time of contact of the cake with the solvent, sample/solvent ratio and pH was used. All variables were controlled at five different levels. The data were subjected to an analysis of regression and ANOVA, the first to determine the polynomial equation and the second to select the control factors with significant effect on the extraction of the protein. The best combination of factors turned out to be: time between 30 and 40 minutes, pH between 9 and 9.5 and a relationship sample/solvent between 1/15 to 1/16 with a final yield of 76%. The physical characteristics were: density 0,504 g/cm3, compaction 43, 34% apparent and pale yellow. Proximal analysis showed a concentration of protein of 76%, 13%, raw fiber carbohydrate 0.68% and oil 1.29%. With regard to the functional properties emphasized water absorption (320 g/100 g), absorption of oil (410 g/100 g) and foaming capacity (221%).

Model identification of stomatognathic muscle system activity during mastication

PubMed Central

Kijak, Edward; Margielewicz, Jerzy; Lietz-Kijak, Danuta; Wilemska-Kucharzewska, Katarzyna; Kucharzewski, Marek; Śliwiński, Zbigniew

2017-01-01

The present study aimed to determine the numeric projection of the function of the mandible and muscle system during mastication. An experimental study was conducted on a healthy 47 year-old subject. On clinical examination no functional disorders were observed. To evaluate the activity of mastication during muscle functioning, bread cubes and hazelnuts were selected (2 cm2 and 1.2/1.3 cm in diameter, respectively) for condyloid processing. An assessment of the activity of mastication during muscle functioning was determined on the basis of numeric calculations conducted with a novel software programme, Kinematics 3D, designed specifically for this study. The efficacy of the model was verified by ensuring the experimentally recorded trajectories were concordant with those calculated numerically. Experimental measurements of the characteristic points of the mandible trajectory were recorded six times. Using the configuration coordinates that were calculated, the dominant componential harmonics of the amplitude-frequency spectrum were identified. The average value of the dominant frequency during mastication of the bread cubes was ~1.16±0.06 Hz, whereas in the case of the hazelnut, this value was nearly two-fold higher at 1.84±0.07 Hz. The most asymmetrical action during mastication was demonstrated to be carried out by the lateral pterygoid muscles, provided that their functioning was not influenced by food consistency. The consistency of the food products had a decisive impact on the frequency of mastication and the number of cycles necessary to grind the food. Model tests on the function of the masticatory organ serve as effective tools since they provide qualitative and quantitative novel information on the functioning of the human masticatory organ. PMID:28123482

7 CFR 982.57 - Exemptions.

Code of Federal Regulations, 2010 CFR

2010-01-01

... as do not interfere with the volume and quality control objectives of this part, and shall require... handled or used only as authorized. (b) Sales by growers direct to consumers. Any hazelnut grower may sell.... Mail order sales are not exempt sales under this part. [51 FR 29549, Aug. 19, 1986, as amended at 61 FR...

A real-time PCR assay for early detection of eastern filbert blight

USDA-ARS?s Scientific Manuscript database

Eastern filbert blight (EFB) is a devastating disease of European hazelnut, Corylus avellana, which causes economic losses in Oregon where 99% of the U.S. crop is produced. The causal fungus, Anisogramma anomala, is native to eastern North America, where it is found associated with the American haz...

Tree nut phytochemicals: composition, antioxidant capacity, bioactivity, impact factors. A systematic review of almonds, Brazils, cashews, hazelnuts, macadamias, pecans, pine nuts, pistachios and walnuts

USDA-ARS?s Scientific Manuscript database

Tree nuts contain an array of phytochemicals including carotenoids, phenolic acids, phytosterols and polyphenolic compounds such as flavonoids, proanthocyanidins (PAC) and stilbenes, all of which are included in nutrient databases, as well as phytates, sphingolipids, alkylphenols and lignans, which ...

RAPD markers linked to eastern filbert blight resistance in Corylus avellana

Treesearch

S.A. Mehlenbacher; R.N. Brown; J.W. Davis; H. Chen; N.V. Bassil; D.C. Smith; Thomas L. Kubisiak

2004-01-01

A total of 1,110 decamer primers were screened for RAPD markers linked to a dominant allele in hazelnut (Corylus avellana) that confers resistance to eastern filbert blight caused by Anisogramma anomnala. Twenty RAPD markers linked in coupling, and five markers linked in repulsion, were found. A seedling population was used to...

Barcode DNA length polymorphisms vs fatty acid profiling for adulteration detection in olive oil.

PubMed

Uncu, Ali Tevfik; Uncu, Ayse Ozgur; Frary, Anne; Doganlar, Sami

2017-04-15

The aim of this study was to compare the performance of a DNA-barcode assay with fatty acid profile analysis to authenticate the botanical origin of olive oil. To achieve this aim, we performed a PCR-capillary electrophoresis (PCR-CE) approach on olive oil: seed oil blends using the plastid trnL (UAA) intron barcode. In parallel to genomic analysis, we subjected the samples to gas chromatography analysis of fatty acid composition. While the PCR-CE assay proved equally efficient as gas chromatography analysis in detecting adulteration with soybean, palm, rapeseed, sunflower, sesame, cottonseed and peanut oils, it was superior to the widely utilized analytical chemistry approach in revealing the adulterant species and detecting small quantities of corn and safflower oils in olive oil. Moreover, the DNA-based test correctly identified all tested olive oil: hazelnut oil blends whereas it was not feasible to detect hazelnut oil adulteration through fatty acid profile analysis. Thus, the present research has shown the feasibility of a PCR-CE barcode assay to detect adulteration in olive oil. Copyright © 2016 Elsevier Ltd. All rights reserved.

Bioavailability assessment of essential and toxic metals in edible nuts and seeds.

PubMed

Moreda-Piñeiro, Jorge; Herbello-Hermelo, Paloma; Domínguez-González, Raquel; Bermejo-Barrera, Pilar; Moreda-Piñeiro, Antonio

2016-08-15

Bioavailability of essential and toxic metals in edible nuts and seeds has been assessed by using an in vitro dialyzability approach. The samples studied included walnuts, Brazil nuts, Macadamia nuts, pecans, hazelnuts, chestnuts, cashews, peanuts, pistachios and seeds (almond, pine, pumpkin and sunflower). Metals were measured by inductively coupled plasma-mass spectrometry in dialyzates and also in samples after a microwave assisted acid digestion pre-treatment. Low dialyzability percentages were found for Al, Fe and Hg; moderate percentages were found for Ba, Ca, Cd, Co, Cu, K, Li, Mg, Mn, Mo, P, Pb, Se, Sr, Tl and Zn; and high dialyzability ratios were found for As, Cr and Ni. The highest dialyzability percentages were found in raw chestnuts and raw hazelnuts. Metal dialyzability was found to be negatively affected by fat content. Positive correlation was found between carbohydrate content and metal dialyzability ratios. Protein and dietary fibre content did not influence metal bioavailability. Predicted dialyzability for some metals based on fat and protein content could also be established. Copyright © 2016 Elsevier Ltd. All rights reserved.

All About Oils

MedlinePlus

... oz 3 tsp/14 g 120 165 Mixed nuts, dry roasted* 1 oz 3 tsp/15 g 130 170 Cashews, dry roasted* 1 oz 3 tsp/13 g 115 165 Almonds, dry roasted* 1 oz 3 tsp/15 g 130 170 Hazelnuts* 1 ... *Avocados and olives are part of the Vegetable Group; nuts and seeds are part of the Protein Foods ...

Tree nut consumption improves nutrient intake and diet quality in US adults: an analysis of National Health and Nutrition Examination Survey (NHANES) 1999-2004

USDA-ARS?s Scientific Manuscript database

Recent epidemiologic studies assessing tree nut (almonds, Brazil nuts, cashews, hazelnuts, macadamia nuts, pecans, pine nuts, pistachios, and walnuts) consumption and the association with nutrient intake and diet quality are lacking. This study determined the association of tree nut consumption and ...

Detection of cashew nut DNA in spiked baked goods using a real-time polymerase chain reaction method.

PubMed

Brzezinski, Jennifer L

2006-01-01

The detection of potentially allergenic foods, such as tree nuts, in food products is a major concern for the food processing industry. A real-time polymerase chain reaction (PCR) method was designed to determine the presence of cashew DNA in food products. The PCR amplifies a 67 bp fragment of the cashew 2S albumin gene, which is detected with a cashew-specific, dual-labeled TaqMan probe. This reaction will not amplify DNA derived from other tree nut species, such as almond, Brazil nut, hazelnut, and walnut, as well as 4 varieties of peanut. This assay was sensitive enough to detect 5 pg purified cashew DNA as well as cashew DNA in a spiked chocolate cookie sample containing 0.01% (100 mg/kg) cashew.

40 CFR 180.153 - Diazinon; tolerances for residues.

Code of Federal Regulations, 2014 CFR

2014-07-01

..., tart 0.20 Cranberry 0.50 Endive 0.70 Fig 0.50 Ginseng 0.75 Grape 0.75 2 Hazelnut 0.50 Kiwifruit 1 0.75... diazinon, O,O-diethyl O-[6-methyl-2-(1-methylethyl)-4-pyrimidinyl]phosphorothioate (CAS No. 333-41-5), in or on the following food commodities: Commodity Parts per million Almond, hulls 3.0 Apple 0.50...

Quantitative and qualitative optimization of allergen extraction from peanut and selected tree nuts. Part 1. Screening of optimal extraction conditions using a D-optimal experimental design.

PubMed

L'Hocine, Lamia; Pitre, Mélanie

2016-03-01

A D-optimal design was constructed to optimize allergen extraction efficiency simultaneously from roasted, non-roasted, defatted, and non-defatted almond, hazelnut, peanut, and pistachio flours using three non-denaturing aqueous (phosphate, borate, and carbonate) buffers at various conditions of ionic strength, buffer-to-protein ratio, extraction temperature, and extraction duration. Statistical analysis showed that roasting and non-defatting significantly lowered protein recovery for all nuts. Increasing the temperature and the buffer-to-protein ratio during extraction significantly increased protein recovery, whereas increasing the extraction time had no significant impact. The impact of the three buffers on protein recovery varied significantly among the nuts. Depending on the extraction conditions, protein recovery varied from 19% to 95% for peanut, 31% to 73% for almond, 17% to 64% for pistachio, and 27% to 88% for hazelnut. A modulation by the buffer type and ionic strength of protein and immunoglobuline E binding profiles of extracts was evidenced, where high protein recovery levels did not always correlate with high immunoreactivity. Crown Copyright © 2015. Published by Elsevier Ltd. All rights reserved.

[Allergic transfusion reactions in a patient with multiple food allergies].

PubMed

Strobel, E; Schöniger, M; Münz, M; Hiefinger-Schindlbeck, R

2012-07-01

A 13-year-old girl with an osteosarcoma was treated by surgery and chemotherapy. During three transfusions of apheresis platelet concentrates allergic reactions occurred, partly in spite of premedication with an antihistamine and a corticoid. As the patient declared to be allergic to some foods, in-vitro tests for allergen-specific IgE antibodies were performed and showed markedly positive results for specific IgE to carrot and celery, less so to hazelnut, peanut and a lot of other food antigens. The donor of one of the unsuitable platelet concentrates remembered when questioned, that he had eaten carrots and chocolate with hazelnuts during the evening before platelet donation. Two washed platelet concentrates were transfused without any problem. Furthermore, transfusions of nine red blood cell concentrates and one unit of virus-inactivated frozen pooled plasma were well tolerated. Patients should be asked for allergies previous to transfusions to be alert to allergic reactions in patients with a positive history of food or drug allergies. If premedication with antihistamines does not prevent severe allergic transfusion reactions, transfusion of washed platelet concentrates and of virus-inactivated frozen pooled plasma can be considered. © Georg Thieme Verlag KG Stuttgart · New York.

Exploration of the molecular interactions between angiotensin-I-converting enzyme (ACE) and the inhibitory peptides derived from hazelnut (Corylus heterophylla Fisch.).

PubMed

Liu, Chunlei; Fang, Li; Min, Weihong; Liu, Jingsheng; Li, Hongmei

2018-04-15

The mechanism of action of food-derived angiotensin-I-converting enzyme (ACE) inhibitory peptides has not been completely elucidated. In the present study, ion-exchange chromatography, gel filtration chromatography, reverse phase-high performance liquid chromatography, and liquid chromatography-electrospray ionization-tandem mass (LC-ESI-MS/MS) were employed for purifying and identifying the ACE inhibitory peptides from hazelnut. To understand the mode of action of these peptides, ACE inhibition kinetics, in vitro and in vivo bioavailability assays, active site analysis, and interaction between the inhibitory peptides and ACE were investigated. The results identified novel ACE inhibitory peptides Ala-Val-Lys-Val-Leu (AVKVL), Tyr-Leu-Val-Arg (YLVR), and Thr-Leu-Val-Gly-Arg (TLVGR) with IC 50 values of 73.06, 15.42, and 249.3 μM, respectively. All peptides inhibited the ACE activity via a non-competitive mode. The binding free energies of AVKVL, YLVR, and TLVGR for ACE were -3.46, -6.48, and -7.37 kcal/mol, respectively. The strong inhibition of ACE by YLVR may be attributed to the formation of cation-pi interactions. Copyright © 2017 Elsevier Ltd. All rights reserved.

Lead sorption by waste biomass of hazelnut and almond shell.

PubMed

Pehlivan, Erol; Altun, Türkan; Cetin, Serpil; Iqbal Bhanger, M

2009-08-15

The potential to remove Pb(2+) ion from aqueous solutions using the shells of hazelnut (HNS) (Corylus avellana) and almond (AS) (Prunus dulcis) through biosorption was investigated in batch experiments. The main parameters influencing Pb(2+) ion sorption on HNS and AS were: initial metal ion concentration, amount of adsorbent, contact time and pH value of solution. The influences of initial Pb(2+) ion concentration (0.1-1.0mM), pH (2-9), contact time (10-240 min) and adsorbent amount (0.1-1.0 g) have been investigated. Equilibrium isotherms have been measured and modelled. Adsorption of Pb(2+) ions was in all cases pH-dependent showing a maximum at equilibrium pH values between 6.0 and 7.0, depending on the biomaterial, that corresponded to equilibrium pH values of 6.0 for HNS and 7.0 for AS. The equilibrium sorption capacities of HNS and AS were 28.18 and 8.08 mg/g for lead, respectively after equilibrium time of 2h. The adsorption data fit well with the Langmuir isotherm model and the experimental result inferred that adsorption, chelation and ion exchange are major adsorption mechanisms for binding Pb(2+) ion to the sorbents.

Determination of acrylamide in dried fruits and edible seeds using QuEChERS extraction and LC separation with MS detection.

PubMed

De Paola, Eleonora Laura; Montevecchi, Giuseppe; Masino, Francesca; Garbini, Davide; Barbanera, Martino; Antonelli, Andrea

2017-02-15

Acrylamide is a carcinogenic and neurotoxic process contaminant that is generated from food components during heat treatment, while it is absent in raw foodstuffs. Its level in food arouses great concern. A method for acrylamide extraction and determination in dried fruits (dried prunes and raisins) and edible seeds (almonds, hazelnuts, peanuts, pine nuts, pistachios, and walnuts) using a QuEChERS-LC-ESI-MS-Triple Quadrupole approach was set up. Linearity, sensitivity, accuracy, and precision of the method were satisfactory. Dried prunes and peanuts were the only samples appreciably contaminated, 14.7-124.3 and 10.0-42.9μg/kg, respectively, as a consequence of the drying process. In fact, prunes are dried at 70-80°C for a quite long time (24-36h), while peanuts undergo a roasting process at 160-180°C for 25-30min. The relative standard deviations, accuracy, LOD, and LOQ show that the method provides a reliable approach to acrylamide determination in different matrices. Copyright © 2016 Elsevier Ltd. All rights reserved.

40 CFR 180.421 - Fenarimol; tolerances for residues.

Code of Federal Regulations, 2011 CFR

2011-07-01

... Apple 0.3 Apple, wet pomace 0.3 Banana 0.25 Cattle, fat 0.01 Cattle, kidney 0.01 Cattle, meat 0.01 Cattle, meat byproducts, except kidney 0.05 Cherry, sweet 1.0 Cherry, tart 1.0 Goat, fat 0.01 Goat, kidney 0.01 Goat, meat 0.01 Goat, meat byproducts, except kidney 0.05 Grape 0.1. Hazelnut 0.02 Hop, dried...

40 CFR 180.421 - Fenarimol; tolerances for residues.

Code of Federal Regulations, 2010 CFR

2010-07-01

....3 Banana 0.25 Cattle, fat 0.01 Cattle, kidney 0.01 Cattle, meat 0.01 Cattle, meat byproducts, except kidney 0.05 Cherry, sweet 1.0 Cherry, tart 1.0 Goat, fat 0.01 Goat, kidney 0.01 Goat, meat 0.01 Goat, meat byproducts, except kidney 0.05 Grape 0.1. Hazelnut 0.02 Hop, dried cones 5.0 Horse, fat 0.01 Horse...

40 CFR 180.213 - Simazine; tolerances for residues.

Code of Federal Regulations, 2010 CFR

2010-07-01

....25 Corn, sweet, stover 0.25 Cranberry 0.25 Currant 0.25 Egg 0.03 Goat, meat 0.03 Goat, meat byproducts 0.03 Grape 0.20 Grapefruit 0.25 Hazelnut 0.20 Horse, meat 0.03 Horse, meat byproducts 0.03 Lemon 0... Apple 0.20 Avocado 0.20 Blackberry 0.20 Blueberry 0.20 Cattle, meat 0.03 Cattle, meat byproducts 0.03...

40 CFR 180.356 - Norflurazon; tolerances for residues.

Code of Federal Regulations, 2010 CFR

2010-07-01

... Cattle, meat 0.1 Cattle, meat byproducts, except liver 0.1 Cherry 0.1 Citrus, dried pulp 0.4 Citrus, molasses 1.0 Cotton, undelinted seed 0.1 Cranberry 0.1 Fruit, citrus 0.2 Goat, fat 0.1 Goat, liver 0.50 Goat, meat 0.1 Goat, meat byproducts, except liver 0.1 Grape 0.1 Hazelnut 0.1 Hog, fat 0.1 Hog, liver 0...

Seasonal variability in foliar characteristics and physiology for boreal forest species at the five Saskatchewan tower sites during the 1994 Boreal Ecosystem-Atmosphere Study

NASA Astrophysics Data System (ADS)

Middleton, E. M.; Sullivan, J. H.; Bovard, B. D.; Deluca, A. J.; Chan, S. S.; Cannon, T. A.

1997-12-01

Leaf-level measurements of gas exchange, chemistry, morphology, and spectral optical properties were acquired at the five instrumented tower sites during the three 1994 growing season intensive field campaigns (IFCs) conducted near Prince Albert, Saskatchewan, as part of the Boreal Ecosystem-Atmosphere Study (BOREAS). Stands included old and young aspen (OA, YA) associated with the hazelnut shrub, old and young jack pine (OJP, YJP) stands, and an old black spruce (OBS) stand; white spruce (at YA) and an understory herb (dogbane, at OJP) were also examined. Midsummer peak photosynthesis for aspen leaves in the field (A, light saturated) and laboratory (Amax light and CO2 saturated) was ˜12.6 and 33-41 μmol CO2 m-2 s-1. Black spruce exhibited the lowest A, 3 μmol CO2 m-2 s-1. Jack pine and black spruce attained their highest Amax (17-20 μmol CO2 m-2 s-1) in late summer/early fall. Gas exchange by white spruce was significantly higher and stomatal limitation lower than for other conifers, at levels comparable to broadleaf responses. White spruce foliage had the highest chlorophyll content in fall (˜41 μg cm-2), followed by aspen (OA) and hazelnut (YA) in midsummer (˜31 μg cm-2). Specific leaf mass of aspen, hazelnut, and conifer foliage was 86, ˜47, and ˜174 g m-2, respectively. Leaf nitrogen content of broadleaves (18-40 g N g-1 dry wt) was 2-3 times greater than conifer needles (8-12 g N g-1). Significantly larger needles were produced at OJP versus YJP, but needle number per age class was greater at YJP. The absorbed photosynthetically active radiation fraction (fAPAR) in June/July averaged ˜80% for broadleaves and ˜83% in conifer needles. The simple ratio (SR, near-infrared/red ratio) calculated from foliar transmittances was more strongly related to fAPAR than SR calculated from reflectances, with stronger correlation for broadleaves (r=0.92) than for conifers (r=0.78).

Levels of inorganic constituents in raw nuts and seeds on the Swedish market.

PubMed

Rodushkin, I; Engström, E; Sörlin, D; Baxter, D

2008-03-25

The levels of approximately 70 elements were determined in different culinary nuts (hazelnuts, walnuts, almonds, bitter almonds, pecans, cashews, Brazil nuts, pistachios, pine nuts, peanuts and coconuts) and seeds (pumpkin and sunflower) available on the Swedish market. The study was limited to raw, virtually unprocessed nuts and seeds (both shelled and unshelled) excluding mixed, roasted or salted products. In total, 44 products from different suppliers were analyzed, with the number of samples per nut/seed variety reflecting the availability of unprocessed products in retail outlets, varying from two for bitter almonds and pistachios to six for hazelnuts and walnuts. This selection includes samples from at least 11 different countries of origin. The optimized analytical procedure consists of microwave-assisted sample digestion using a HNO3/HF mixture, followed by multi-elemental analysis by double focusing, sector field inductively coupled plasma mass spectrometry. The analyses were accompanied by rigorous quality control measures including thorough control of potential sample contamination at all analytical stages, participation in inter-laboratory performance assessment schemes, and the analysis of certified reference materials of plant origin. Concentrations thus obtained were compared with data from product labels (where available), food composition tables and other relevant surveys, demonstrating, depending on the elements in question, close agreement as well as considerable differences.

Quantitative and qualitative optimization of allergen extraction from peanut and selected tree nuts. Part 2. Optimization of buffer and ionic strength using a full factorial experimental design.

PubMed

L'Hocine, Lamia; Pitre, Mélanie

2016-03-01

A full factorial design was used to assess the single and interactive effects of three non-denaturing aqueous (phosphate, borate, and carbonate) buffers at various ionic strengths (I) on allergen extractability from and immunoglobulin E (IgE) immunoreactivity of peanut, almond, hazelnut, and pistachio. The results indicated that the type and ionic strength of the buffer had different effects on protein recovery from the nuts under study. Substantial differences in protein profiles, abundance, and IgE-binding intensity with different combinations of pH and ionic strength were found. A significant interaction between pH and ionic strength was observed for pistachio and almond. The optimal buffer system conditions, which maximized the IgE-binding efficiency of allergens and provided satisfactory to superior protein recovery yield and profiles, were carbonate buffer at an ionic strength of I=0.075 for peanut, carbonate buffer at I=0.15 for almond, phosphate buffer at I=0.5 for hazelnut, and borate at I=0.15 for pistachio. The buffer type and its ionic strength could be manipulated to achieve the selective solubility of desired allergens. Crown Copyright © 2015. Published by Elsevier Ltd. All rights reserved.

Classification of edible oils by employing 31P and 1H NMR spectroscopy in combination with multivariate statistical analysis. A proposal for the detection of seed oil adulteration in virgin olive oils.

PubMed

Vigli, Georgia; Philippidis, Angelos; Spyros, Apostolos; Dais, Photis

2003-09-10

A combination of (1)H NMR and (31)P NMR spectroscopy and multivariate statistical analysis was used to classify 192 samples from 13 types of vegetable oils, namely, hazelnut, sunflower, corn, soybean, sesame, walnut, rapeseed, almond, palm, groundnut, safflower, coconut, and virgin olive oils from various regions of Greece. 1,2-Diglycerides, 1,3-diglycerides, the ratio of 1,2-diglycerides to total diglycerides, acidity, iodine value, and fatty acid composition determined upon analysis of the respective (1)H NMR and (31)P NMR spectra were selected as variables to establish a classification/prediction model by employing discriminant analysis. This model, obtained from the training set of 128 samples, resulted in a significant discrimination among the different classes of oils, whereas 100% of correct validated assignments for 64 samples were obtained. Different artificial mixtures of olive-hazelnut, olive-corn, olive-sunflower, and olive-soybean oils were prepared and analyzed by (1)H NMR and (31)P NMR spectroscopy. Subsequent discriminant analysis of the data allowed detection of adulteration as low as 5% w/w, provided that fresh virgin olive oil samples were used, as reflected by their high 1,2-diglycerides to total diglycerides ratio (D > or = 0.90).

Ten-year review reveals changing trends and severity of allergic reactions to nuts and other foods.

PubMed

Johnson, Jennifer; Malinovschi, Andrei; Alving, Kjell; Lidholm, Jonas; Borres, Magnus P; Nordvall, Lennart

2014-08-01

Over the past few decades, the incidence of food allergies has risen and Sweden has increased its import of peanuts and exotic nuts, such as cashew nuts, which may cause severe allergic reactions. This study aimed to retrospectively investigate paediatric emergency visits due to food reactions over a 10-year period, focusing on reactions to peanuts and tree nuts. Emergency visits to Uppsala University Children's Hospital, Sweden, between September 2001 and December 2010, were reviewed, and cases containing diagnostic codes for anaphylaxis, allergic reactions or allergy and hypersensitivity not caused by drugs or biological substances were retrieved. We analysed 703 emergency visits made by 578 individuals with food allergies. Peanuts and tree nuts accounted for 50% of the food allergies and were more frequently associated with adrenaline treatment and hospitalisation than other foods. Cashew nut reactions increased over the study period, and together with peanuts, they were responsible for more anaphylactic reactions than hazelnuts. Peanut and tree nut reactions were more likely to result in adrenaline treatment and hospitalisation than other food reactions. Peanut and cashew nut reactions were more likely to cause anaphylaxis than hazelnuts. Cashew nut reactions increased during the study period. ©2014 Foundation Acta Paediatrica. Published by John Wiley & Sons Ltd.

Removal of lead, cadmium, zinc, and copper from industrial wastewater by carbon developed from walnut, hazelnut, almond, pistachio shell, and apricot stone.

PubMed

Kazemipour, Maryam; Ansari, Mehdi; Tajrobehkar, Shabnam; Majdzadeh, Majdeh; Kermani, Hamed Reihani

2008-01-31

In this work, adsorption of copper (Cu), zinc (Zn), lead (Pb), and cadmium (Cd) that exist in industrial wastewater onto the carbon produced from nutshells of walnut, hazelnut, pistachio, almond, and apricot stone has been investigated. All the agricultural shell or stone used were ground, sieved to a defined size range, and carbonized in an oven. Time and temperature of heating were optimized at 15 min and 800 degrees C, respectively, to reach maximum removal efficiency. Removal efficiency was optimized regarding to the initial pH, flow rate, and dose of adsorbent. The maximum removal occurred at pH 6-10, flow rate of 3 mL/min, and 0.1g of the adsorbent. Capacity of carbon sources for removing cations will be considerably decreased in the following times of passing through them. Results showed that the cations studied significantly can be removed by the carbon sources. Efficiency of carbon to remove the cations from real wastewater produced by copper industries was also studied. Finding showed that not only these cations can be removed considerably by the carbon sources noted above, but also removing efficiency are much more in the real samples. These results were in adoption to those obtained by standard mixture synthetic wastewater.

FT-Raman and NIR spectroscopy data fusion strategy for multivariate qualitative analysis of food fraud.

PubMed

Márquez, Cristina; López, M Isabel; Ruisánchez, Itziar; Callao, M Pilar

2016-12-01

Two data fusion strategies (high- and mid-level) combined with a multivariate classification approach (Soft Independent Modelling of Class Analogy, SIMCA) have been applied to take advantage of the synergistic effect of the information obtained from two spectroscopic techniques: FT-Raman and NIR. Mid-level data fusion consists of merging some of the previous selected variables from the spectra obtained from each spectroscopic technique and then applying the classification technique. High-level data fusion combines the SIMCA classification results obtained individually from each spectroscopic technique. Of the possible ways to make the necessary combinations, we decided to use fuzzy aggregation connective operators. As a case study, we considered the possible adulteration of hazelnut paste with almond. Using the two-class SIMCA approach, class 1 consisted of unadulterated hazelnut samples and class 2 of samples adulterated with almond. Models performance was also studied with samples adulterated with chickpea. The results show that data fusion is an effective strategy since the performance parameters are better than the individual ones: sensitivity and specificity values between 75% and 100% for the individual techniques and between 96-100% and 88-100% for the mid- and high-level data fusion strategies, respectively. Copyright © 2016 Elsevier B.V. All rights reserved.

One-year incidence of carpal tunnel syndrome in Latino poultry processing workers and other Latino manual workers.

PubMed

Cartwright, Michael S; Walker, Francis O; Newman, Jill C; Schulz, Mark R; Arcury, Thomas A; Grzywacz, Joseph G; Mora, Dana C; Chen, Haiying; Eaton, Bethany; Quandt, Sara A

2014-03-01

To determine the incidence of carpal tunnel syndrome (CTS) over 1 year in Latino poultry processing workers. Symptoms and nerve conduction studies were used to identify Latino poultry processing workers (106 wrists) and Latinos in other manual labor occupations (257 wrists) that did not have CTS at baseline, and these individuals were then evaluated in the same manner 1 year later. Based on wrists, the 1-year incidence of CTS was higher in poultry processing workers than non-poultry manual workers (19.8% vs. 11.7%, P = 0.022). Poultry workers had a higher odds (1.89; P = 0.089) of developing CTS over 1 year compared to non-poultry manual workers. Latino poultry processing workers have an incidence of CTS that is possibly higher than Latinos in other manual labor positions. Latino poultry workers' high absolute and relative risk of CTS likely results from the repetitive and strenuous nature of poultry processing work. © 2013 Wiley Periodicals, Inc.

Detection of sesame seed DNA in foods using real-time PCR.

PubMed

Brzezinski, Jennifer L

2007-04-01

The detection of potentially allergenic foods, such as sesame seeds, in food products is a major concern for the food-processing industry. A real-time PCR method was designed to determine if sesame seed DNA is present in food products. The PCR reaction amplifies a 66-bp fragment of the sesame seed 2S albumin gene, which is detected with a sesame-specific, dual-labeled TaqMan probe. This reaction will not amplify DNA derived from other seeds present in baked goods, such as pumpkin, poppy, and sunflower seeds. Additionally, this assay will not cross-react with DNA from several tree nut species, such as almond, Brazil nut, cashew, hazelnut, and walnut, as well as four varieties of peanut. This assay is sensitive enough to detect 5 pg of purified sesame seed DNA, as well as sesame seed DNA in a spiked wheat cracker sample.

Mississippi River Headwaters Reservoirs. Minnesota Master Plan for Public Use Development and Resource Management.

DTIC Science & Technology

1977-12-06

Red Oak Woodchuck• ~~Paper BirchWodhc White Tailed Deer SHRUBS BIRDS Chokecherry Great Blue HeronAlwde Common Egret Dogwood Woodduck HERBS...SHRUBS BIRDS Hazelnut Eagle Chokecherry Hawks Juneberry Great Horned Owl Woodpeckers HERBS Chickadee Hepatica Wren Violet Warblers Solomons Seal Sparrows...Snowshoe Hare N. Red Oak Woodchuck Paper Birch White Tailed Deer SHRUBS BIRDS Chokecherry Great Blue Heron Alder Common Egret Dogwood Woodduck HERBS

Environmental Impact Research Program. Ruffed Grouse (Bonasa umbellus) Section 4.1.1, US Army Corps of Engineers Wildlife Resources Management Manual.

DTIC Science & Technology

1986-07-01

to the fall diet (Beer 1948, Hungerford 1957, Phillips 1967, McGowan 1973). Hazelnut, chokecherry , and juneberry supplement aspen and other foods...bigtooth aspen (Svoboda and Gullion 1972). Chokecherry is a locally preferred winter food (Phillips 1967). Nutrition. Korschgen (1966) determined...grandidentata Quaking aspen P. tremuloide8 Beech Fags app. Birch Betula spp. Blackberry Rubus app. Cherry Prunus spp. Chokecherry P. virginiana

Draft Genome Sequences of Two Novel Salmonella enterica subsp. enterica Strains Isolated from Low-Moisture Foods with Applications in Food Safety Research.

PubMed

Radford, Devon R; Leon-Velarde, Carlos G; Chen, Shu; Hamidi Oskouei, Amir M; Balamurugan, Sampathkumar

2018-03-29

The genomes of two strains of Salmonella enterica subsp. enterica serovar Cubana and serovar Muenchen, isolated from dry hazelnuts and chia seeds, respectively, were sequenced using the Illumina MiSeq platform, assembled de novo using the overlap-layout-consensus method, and aligned to their respective most identical sequence genome scaffolds using MUMMER and BLAST searches. Copyright © 2018 Radford et al.

40 CFR 180.163 - 1,1-Bis(4-chlorophenyl)-2,2,2-trichloroethanol; tolerances for residues.

Code of Federal Regulations, 2011 CFR

2011-07-01

... 38.0 Bean, dry, seed 0.5 Bean, succulent 3.0 Butternut 0.1 Caneberry subgroup 13A 5.0 Chestnut 0.1 Citrus, dried pulp 12.0 Citrus oil 200.0 Cotton, refined oil 0.5 Cotton, undelinted seed 0.1 Fruit... Hazelnut 0.1 Hop, dried cones 65.0 Nut, hickory 0.1 Nut, macadamia 0.1 Pecan 0.1 Peppermint, oil 30.0...

40 CFR 180.163 - 1,1-Bis(4-chlorophenyl)-2,2,2-trichloroethanol; tolerances for residues.

Code of Federal Regulations, 2010 CFR

2010-07-01

... 38.0 Bean, dry, seed 0.5 Bean, succulent 3.0 Butternut 0.1 Caneberry subgroup 13A 5.0 Chestnut 0.1 Citrus, dried pulp 12.0 Citrus oil 200.0 Cotton, refined oil 0.5 Cotton, undelinted seed 0.1 Fruit... Hazelnut 0.1 Hop, dried cones 65.0 Nut, hickory 0.1 Nut, macadamia 0.1 Pecan 0.1 Peppermint, oil 30.0...

The Prevalence of Carpal Tunnel Syndrome in Latino Poultry Processing Workers and Other Latino Manual Workers

PubMed Central

Cartwright, Michael S.; Walker, Francis O.; Blocker, Jill N.; Schulz, Mark R.; Arcury, Thomas A.; Grzywacz, Joseph G.; Mora, Dana; Chen, Haiying; Marín, Antonio J.; Quandt, Sara A.

2011-01-01

Objective To determine the prevalence of carpal tunnel syndrome (CTS) in Latino poultry processing workers. Methods Symptoms and nerve conduction studies were used to prospectively assess 287 Latino poultry processing workers and 226 Latinos in other manual labor occupations. Results The prevalence of CTS was higher in poultry processing (8.7%) compared to non-poultry manual workers (4.0%, p < 0.0001). The adjusted odds ratio for the prevalence of CTS in poultry workers was 2.51 (95% CI of 1.80 to 3.50) compared to non-poultry workers. Within the poultry workers, those who performed packing, sanitation, and chilling had a trend toward less CTS than those who performed tasks requiring more repetitive and strenuous hand movements. Discussion Latino poultry processing workers have a high prevalence of CTS, which likely results from the repetitive and strenuous nature of the work. PMID:22258161

Bearing the brunt: co-workers' experiences of work reintegration processes.

PubMed

Dunstan, Debra A; MacEachen, Ellen

2013-03-01

Work disability research has found co-worker support to be a significant but under-recognised aspect of work reintegration (WR) processes. Although co-workers work alongside returning workers, their practical contribution to WR success or failure is often invisible to others. This study aimed to gain further insight into the role and contribution of co-workers in WR interventions. An exploratory qualitative pilot study was conducted in Toronto, Canada in 2011. Three focus groups were conducted with 13 co-workers, recruited for their direct experience of 'working alongside' a returning worker. An iterative data gathering and analysis process occurred. Themes were generated from categories in open-ended interview questions and new issues arising from the data. The findings detail co-workers' practical experiences of WR processes and their reflections on social and work conditions that impacted their participation. Co-workers' capacity to support returning workers was related to the quality of the WR arrangements, the relationship with the returning worker, work culture, and the duration of the required support. Workplace privacy and confidentiality requirements were identified as a key challenge for co-worker participation. The effects on co-workers of WR processes ranged from the opportunity to learn new skills to disillusionment and withdrawal from the workplace. In worst case scenarios, 'ripple effects' including emotional distress, physical injury and termination of co-workers' employment had occurred. Co-workers are not a neutral party in WR procedures. Formalizing the co-worker role to include communication, consideration and recognition might improve co-workers' WR experiences.

The relationship between spontaneous abortion and female workers in the semiconductor industry.

PubMed

Kim, Heechan; Kwon, Ho-Jang; Rhie, Jeongbae; Lim, Sinye; Kang, Yun-Dan; Eom, Sang-Yong; Lim, Hyungryul; Myong, Jun-Pyo; Roh, Sangchul

2017-01-01

This study investigated the relationship between job type and the risk for spontaneous abortion to assess the reproductive toxicity of female workers in the semiconductor industry. A questionnaire survey was administered to current female workers of two semiconductor manufacturing plants in Korea. We included female workers who became pregnant at least 6 months after the start of their employment with the company. The pregnancy outcomes of 2,242 female workers who experienced 4,037 pregnancies were investigated. Personnel records were used to assign the subjects to one of three groups: fabrication process workers, packaging process workers, and clerical workers. To adjust for within-person correlations between pregnancies, a generalized estimating equation was used. The logistic regression analysis was limited to the first pregnancy after joining the company to satisfy the assumption of independence among pregnancies. Moreover, we stratified the analysis by time period (pregnancy in the years prior to 2008 vs. after 2009) to reflect differences in occupational exposure based on semiconductor production periods. The risk for spontaneous abortion in female semiconductor workers was not significantly higher for fabrication and packaging process workers than for clerical workers. However, when we stratified by time period, the odds ratio for spontaneous abortion was significantly higher for packaging process workers who became pregnant prior to 2008 when compared with clerical workers (odds ratio: 2.21; 95% confidence interval: 1.01-4.81). When examining the pregnancies of female semiconductor workers that occurred prior to 2008, packaging process workers showed a significantly higher risk for spontaneous abortions than did clerical workers. The two semiconductor production periods in our study (prior to 2008 vs. after 2009) had different automated processes, chemical exposure levels, and working environments. Thus, the conditions prior to 2008 may have increased the risk for spontaneous abortions in packaging process workers in the semiconductor industry.

Fiber size and number in workers exposed to processed chrysotile asbestos, chrysotile miners, and the general population

DOE Office of Scientific and Technical Information (OSTI.GOV)

Churg, A.; Wiggs, B.

1986-01-01

We analyzed chrysotile and chrysotile-associated amphibole (largely tremolite) asbestos fibers in 21 workers exposed to various types of processed (milled) chrysotile ore, 20 long-term chrysotile miners, and 20 members of the general population (controls). Significantly greater amounts of both chrysotile and tremolite were found in processed-ore workers and miners than in controls. On average, the mean fiber lengths and aspect ratios for the mining and processed-ore-exposed workers were similar and were significantly greater than the values seen in the controls; within the processed-ore group, there was a marked variation in these parameters, and some workers appeared to be exposed tomore » fairly long, thin fibers. It was found empirically that the fiber size data, and to a lesser extent the concentration data, could be used to classify workers accurately into those with processed-ore exposure and controls. We conclude that fiber sizes in the lungs of processed-ore-exposed workers are similar to those of chrysotile miners and are considerably longer than those found in the general population; some processed-ore workers have longer fibers which might be responsible for higher disease incidences in certain working groups; tremolite accompanies chrysotile in a variable proportion of workers exposed to processed chrysotile products and might be important in the genesis of mesothelioma in such workers; and mineralogic analysis will usually detect exposure even when chrysotile has largely disappeared from lung tissue.« less

Work reintegration after long-term sick leave: domains of influence on co-workers' ability to be supportive.

PubMed

Petersen, Kirsten Schultz; Labriola, Merete; Nielsen, Claus Vinther; Larsen, Eva Ladekjær

2016-09-01

The purpose of the study is to identify domains of influence on co-workers' ability to be supportive of returning worker during the work reintegration (WR) process. An ethnographic study design was chosen involving fieldwork at four different workplaces, at an emergency care service, a waste disposal company and at two nursing homes. Qualitative methods for inquiry were used including participant observation, individual- and group interviews of 30 participants. Data were coded and analysed according to a grounded theory approach. Four themes were identified related to domains of influence on co-workers' ability to be supportive of returning worker during the WR process: (1) organisation of work and level of interaction; (2) disruption of work routines, (3) relationship with returning worker and (4) attitudes towards sick leave. The WR process after long-term sick leave is not only influenced by the WR's arrangements made, but also by the co-workers' responses to the process. Work arrangements not only affect the returning worker's ability to return-to-work (RTW) successfully, but also the co-workers' ability to be supportive and their ability to take active part in the process. Implications for Rehabilitation The process of WR after long-term sick leave involves interaction with co-workers. Domains of influence is in the co-workers' perspective influencing their ability to be supportive during reintegration of a returning worker. Future WR management could benefit from integrating the conditions for co-worker support. We encourage co-workers to be involved in the RTW planning, monitoring and evaluation with particular focus on how the WR arrangements are influencing their work and their ability to be supportive.

Poultry Processing Work and Respiratory Health of Latino Men and Women in North Carolina

PubMed Central

Mirabelli, Maria C.; Chatterjee, Arjun B.; Arcury, Thomas A.; Mora, Dana C.; Blocker, Jill N.; Grzywacz, Joseph G.; Chen, Haiying; Marín, Antonio J.; Schulz, Mark R.; Quandt, Sara A.

2015-01-01

Objective To evaluate associations between poultry processing work and respiratory health among working Latino men and women in North Carolina. Methods Between May 2009 and November 2010, 402 poultry processing workers and 339 workers in a comparison population completed interviewer-administered questionnaires. Of these participants, 279 poultry processing workers and 222 workers in the comparison population also completed spirometry testing to provide measurements of forced expiratory volume in 1 second and forced vital capacity. Results Nine percent of poultry processing workers and 10% of workers in the comparison population reported current asthma. Relative to the comparison population, adjusted mean forced expiratory volume in 1 second and forced vital capacity were lower in the poultry processing population, particularly among men who reported sanitation job activities. Conclusions Despite the low prevalence of respiratory symptoms reported, poultry processing work may affect lung function. PMID:22237034

Airway Obstruction Among Latino Poultry Processing Workers in North Carolina

PubMed Central

MIRABELLI, MARIA C.; CHATTERJEE, ARJUN B.; MORA, DANA C.; ARCURY, THOMAS A.; BLOCKER, JILL N.; CHEN, HAIYING; GRZYWACZ, JOSEPH G.; MARÍN, ANTONIO J.; SCHULZ, MARK R.; QUANDT, SARA A.

2015-01-01

This analysis was conducted to evaluate the prevalence of airway obstruction among Latino poultry processing workers. Data were collected from 279 poultry processing workers and 222 other manual laborers via spirometry and interviewer-administered questionnaires. Participants employed in poultry processing reported the activities they perform at work. Participants with forced expiratory volume in 1 second (FEV1) or FEV1/forced expiratory volume (FVC) below the lower limits of normal were categorized as having airway obstruction. Airway obstruction was identified in 13% of poultry processing workers and 12% of the comparison population. Among poultry processing workers, the highest prevalence of airway obstruction (21%) occurred among workers deboning chickens (prevalence ratio: 1.75; 95% confidence interval: 0.97, 3.15). These findings identify variations in the prevalence of airway obstruction across categories of work activities. PMID:24965321

Spectroscopic detection of pharmaceutical compounds from an aflatoxigenic strain of Aspergillus parasiticus.

PubMed

Basaran, P; Demirbas, R M

2010-08-20

Polar and non-polar secondary metabolites as well as phenolic compounds of Aspergillus parasiticus grown on hazelnut were analyzed by high-resolution high performance liquid chromatography-mass spectroscopy and fourier transform infrared spectroscopy. Several novel and beneficial compounds such as dibutyl phthalate, pyrogallol, fumagillol, italicic acid and sorbicillin were identified from A. parasiticus for the first time. Some of these compounds have the potential to be used in pharmaceutical industry. Copyright 2009 Elsevier GmbH. All rights reserved.

The role of nurses/social workers in using a multidimensional guideline for diagnosis of anxiety and challenging behaviour in people with intellectual disabilities.

PubMed

Pruijssers, Addy; van Meijel, Berno; Maaskant, Marian; Keeman, Noortje; Teerenstra, Steven; van Achterberg, Theo

2015-07-01

This study seeks (1) to investigate the impact of the implementation of the 'Diagnostic Guideline for Anxiety and challenging behaviours in clients with intellectual disability' on nurses/social workers' knowledge and self-efficacy; and (2) to evaluate the role of nurses/social workers in the diagnostic process when applying the guideline. Nurses/social workers have extensive contact with clients with intellectual disabilities. Despite this key position, the contribution of nurses/social workers to the diagnosis of mental health problems and challenging behaviours is rather limited. The authors developed the multidimensional 'Diagnostic Guideline for Anxiety and challenging behaviours'. In this article, the implementation of this guideline is evaluated concerning knowledge and self-efficacy of nurses/social workers, as well the role of nurses/social workers in the diagnostic process. This study employed a comparative multiple case study design. Qualitative and quantitative research methods. Working with the 'Diagnostic Guideline for Anxiety and challenging behaviours' led to a statistically significant increase in knowledge and self-efficacy among the nurses/social workers in the experimental condition, compared with nurses/social workers in the control condition. Nurses/social workers and psychologists appreciated the more active contribution of the nurses/social workers in the diagnostic process. Working with the guideline increased the knowledge and self-efficacy of nurses/social workers, and led to more active participation of nurses/social workers in the diagnostic process. After following a training programme, nurses/social workers can effectively contribute to the diagnostic process in clients with anxiety and related challenging behaviours. © 2015 John Wiley & Sons Ltd.

Production and analysis of recombinant tree nut allergens.

PubMed

Willison, Leanna N; Sathe, Shridhar K; Roux, Kenneth H

2014-03-01

Allergic reactions to tree nuts are a growing global concern as the number of affected individuals continues to rise. Unlike some food allergies, tree nuts can cause severe reactions that persist throughout life. The tree nuts discussed in this review include those most commonly responsible for allergic reactions: cashew, almond, hazelnut, walnut, pecan, Brazil nut, pistachio, and chestnut. The native allergenic proteins derived from tree nuts are frequently difficult to isolate and purify and may not be adequately represented in aqueous nut protein extracts. Consequently, defined recombinant allergens have become useful reagents in a variety of immunoassays aimed at the diagnosis of tree nut allergy, assessing cross-reactivity between various nuts and other seeds, mapping of IgE binding epitopes, and analyzing the effects of the food matrix, food processing, and gastric digestion on allergenicity. This review describes the approaches that can be used for the production of recombinant tree nut allergens and addresses key issues associated with their production and downstream applications. Copyright © 2013 Elsevier Inc. All rights reserved.

A Novel Immunoassay Test System for Detection of Modified Allergen Residues Present in Almond-, Cashew-, Coconut-, Hazelnut-, and Soy-Based Nondairy Beverages.

PubMed

Masiri, Jongkit; Benoit, Lora; Meshgi, Mahzad; Day, Jeffrey; Nadala, Cesar; Samadpour, Mansour

2016-09-01

A growing number of plant-based milk substitutes have become commercially available, providing an array of options for consumers with dietary restrictions. Though several of these products rival cow's milk in terms of their nutritional profiles, beverages prepared with soy and tree nuts can be a significant concern to consumers because of potential contamination with food allergens. Adding to this concern is the fact that allergen residues from plant-based beverages are modified during manufacturing, thereby decreasing the sensitivity of antibody-based detection methods. Consequently, many commercially available allergen detection kits are less effective for allergens derived from nondairy milk substitutes. To address this limitation, we developed a panel of polyclonal antibodies directed against the modified proteins present in almond, cashew, coconut, hazelnut, and soy milks and incorporated them into rapid lateral flow immunoassay tests configured in both sandwich and competitive format. The tests had robust detection capabilities when used with a panel of various brand-name products, with a sensitivity of 1 ppm and selectivity values of 3 to 5 ppm in nondairy beverages. Minimal cross-reactivity to extracts prepared from common commodities was observed. The development of a highly sensitive and rapid test specifically designed to detect trace quantities of highly modified allergen residues in plant-based, dairy-free beverages will aid food manufacturers and regulatory agencies in monitoring products for these modified allergens when testing environmental and food samples.

Stability and compatibility of tegaserod from crushed tablets mixed in beverages and foods.

PubMed

Carrier, Marie-Noëlle; Garinot, Olivier; Vitzling, Christian

2004-06-01

The stability and compatibility of tegaserod from crushed tablets in selected beverages and foods were studied. Suspensions of tegaserod maleate tablets containing 6 mg of the drug base were prepared by crushing the tablets and mixing the powder with tap water, apple juice, orange juice, milk, applesauce, yogurt, and chocolate-hazelnut spread. Drug stability, drug comparability, suspension homogeneity, and completeness of a dose were measured by high-performance liquid chromatography at intervals up to three days at 20-25 degrees C and 5 degrees C. In vitro dissolution profiles were determined for crushed tegaserod tablets in water, apple juice, orange juice, and applesauce. Tegaserod from crushed tablets was stable in and compatible with water, apple juice, orange juice, and applesauce, and the suspensions were homogeneous. The complete dose was delivered with these media. The dissolution profiles of crushed tegaserod tablets in water and in apple juice were comparable to those of intact tablets; the dissolution profiles in orange juice and applesauce were not comparable with those of intact tablets. The results with milk, yogurt, and chocolate-hazelnut spread as vehicles were inconclusive. The suspension in milk was not homogeneous, and the dose was incomplete. Tegaserod from crushed tablets was stable in and compatible with water, apple juice, orange juice, and applesauce, but the dissolution profile in orange juice or applesauce was not acceptable. Apple juice may be the preferred vehicle because it masks the drug's taste.

Omega-3 fatty acids enriched chocolate spreads using soybean and coconut oils.

PubMed

Jeyarani, T; Banerjee, T; Ravi, R; Krishna, A G Gopala

2015-02-01

Chocolate spreads were developed by incorporating two different soybean oil margarines, fat phases prepared using 85 % soybean oil (M1) and 1:1 blend of soybean oil and coconut oil (M2) with commercial palm stearin. Eight formulations were tried by varying skim milk powder (SMP)/fluid skimmed milk (FSM), type of fats (M1, M2, a commercial margarine and a table spread), sugar and cocoa powder and their quality characteristics were compared with a commercial hazelnut cocoa spread. The moisture and fat content were 5-6.1 % and 31.4-32.8 % for formulations with SMP and 21.5-24.7 % and 15.6-21.4 % respectively for those with FSM. Rheological studies of FSM spreads showed higher G″ value (loss modulus) than G' (storage modulus) indicating better spreadability. Descriptive sensory analysis revealed that the products had acceptability score of 8.3 to 10.5 (maximum score: 15). Fat extracted from spreads prepared using M1 and M2 was found to contain 43.9 and 22.3 % linoleic acid and 2.1 and 4.4 % linolenic acid respectively, were free from trans fat while the commercial hazelnut spread had 9.8 % linoleic acid but did not contain linolenic acid. Hence, the developed chocolate spreads have the potential to overcome ω-3 deficiency, ω-6/ω-3 imbalance and to enhance the health standard of people.

A study of the additional costs of dispensing workers' compensation prescriptions.

PubMed

Schafermeyer, Kenneth W

2007-03-01

Although there is a significant amount of additional work involved in dispensing workers' compensation prescriptions, these costs have not been quantified. A study of the additional costs to dispense a workers' compensation prescription is needed to measure actual costs and to help determine the reasonableness of reimbursement for prescriptions dispensed under workers' compensation programs. The purpose of this study was to determine the minimum additional time and costs required to dispense workers' compensation prescriptions in Texas. A convenience sample of 30 store-level pharmacy staff members involved in submitting and processing prescription claims for the Texas Mutual workers' compensation program were interviewed by telephone. Data collected to determine the additional costs of dispensing a workers' compensation prescription included (1) the amount of additional time and personnel costs required to dispense and process an average workers' compensation prescription claim, (2) the difference in time required for a new versus a refilled prescription, (3) overhead costs for processing workers' compensation prescription claims by experienced experts at a central processing facility, (4) carrying costs for workers' compensation accounts receivable, and (5) bad debts due to uncollectible workers' compensation claims. The median of the sample pharmacies' additional costs for dispensing a workers' compensation prescription was estimated to be at least $9.86 greater than for a cash prescription. This study shows that the estimated costs for workers' compensation prescriptions were significantly higher than for cash prescriptions. These costs are probably much more than most employers, workers' compensation payers, and pharmacy managers would expect. It is recommended that pharmacy managers should estimate their own costs and compare these costs to actual reimbursement when considering the reasonableness of workers' compensation prescriptions and whether to accept these prescriptions.

Social Workers' Orientation Toward the Evidence-Based Practice Process: A Dutch Survey.

PubMed

van der Zwet, Renske J M; Kolmer, Deirdre M Beneken Genaamd; Schalk, René

2016-10-01

This study assesses social workers' orientation toward the evidence-based practice (EBP) process and explores which specific variables (e.g. age) are associated. Data were collected from 341 Dutch social workers through an online survey which included a Dutch translation of the EBP Process Assessment Scale (EBPPAS), along with 13 background/demographic questions. The overall level of orientation toward the EBP process is relatively low. Although respondents are slightly familiar with it and have slightly positive attitudes about it, their intentions to engage in it and their actual engagement are relatively low. Respondents who followed a course on the EBP process as a student are more oriented toward it than those who did not. Social workers under 29 are more familiar with the EBP process than those over 29. We recommend educators to take a more active role in teaching the EBP process to students and social workers.

"…you earn money by suffering pain:" Beliefs About Carpal Tunnel Syndrome Among Latino Poultry Processing Workers.

PubMed

Arcury, Thomas A; Mora, Dana C; Quandt, Sara A

2015-06-01

The nature of poultry processing puts workers at risk for developing neurological injuries, particularly carpal tunnel syndrome (CTS). Many poultry processing workers are Latino immigrants. This qualitative analysis uses an explanatory models of illness (EMs) framework to describe immigrant Latino poultry processing workers' (Guatemalan and Mexican) beliefs of CTS. Understanding these workers' CTS EMs provides a foundation for recommendations to reduce the risk factors for this occupational injury. In-depth interviews were completed with 15 poultry processing workers diagnosed with CTS. Systematic qualitative analysis was used to delineate beliefs about causes, symptoms, physiology, treatments, quality-of-life and health implications of CTS. Participants' EMs largely reflect current biomedical understanding of CTS. These EMs are similar for Guatemalan and Mexican workers. Beliefs about causes include factors in the work environment (e.g., repetition, cold) and individual physical weakness. Treatments include over-the-counter medicine, as well as traditional remedies. Most know the future impact of CTS will include chronic pain. These workers know what causes CTS and that curing it would require quitting their jobs, but feel that they must endure CTS to support their families. Latino poultry processing workers, whether Guatemalan or Mexican, have a fairly complete understanding of what causes CTS, how to treat it, and what they must do to cure it. However, situational factors force them to endure CTS. Policy changes are needed to change the structure of work in poultry processing, particularly line speed and break frequency, if the prevalence of CTS is to be reduced.

Dependence of Photosynthetic Capacity, Photosynthetic Pigment Allocation, and Carbon Storage on Nitrogen Levels in Foliage of Aspen Stands

NASA Technical Reports Server (NTRS)

Middleton, Elizabeth M.; Sullivan, Joseph H.; Papagno, Andrea J.

2000-01-01

The role of foliar nitrogen (N) in the seasonal dynamics and vertical canopy distribution of photosynthetic pigments, photosynthetic capacity, and carbon (C) storage was investigated in boreal broadleaved species. The study was conducted at two different aged stands (60 y and 15 y) in 1994 and 1996 in Saskatchewan, Canada as part of the Boreal Ecosystem-Atmosphere Study (BOREAS). Foliage in upper and lower strata was examined for aspen (Populus tremuloides Michx.) and its associated hazelnut shrub (Corylus americana Walt.). We determined that C accumulation, expressed as dry mass per unit leaf area (mg C cm (exp -2)), was linearly dependent on N content (approximately 0.3- 3.5 mg N cm (exp -2))(r (exp 2) = 0.93, n=383, P less than 0.001) when eleven foliage groups were defined according to species, site, and developmental stage. C assembly was greatest in the upper aspen strata of both sites (seasonal average, 40.1 plus or minus 0.6 mg C cm (exp -2)), intermediate in the lower aspen strata (32.7 plus or minus 0.6), and considerably lower, and similar, in the hazelnut shrub layers (23.7 plus or minus 0.6) and in expanding aspen leaves (23.8 plus or minus 0.5); the lowest C assembly per unit N occurred in the two youngest, emerging leaf groups (17.1 plus or minus 0.6). Other relationships among physiological and biochemical variables were typically non-linear and were confounded by inclusion of the three groups of young (i.e., emerging or expanding) leaves, unless these were separately identified. Net C uptake, measured as photosynthetic capacity (A (sub max), micromole CO2 m (exp -2) s (exp -1)), was greater in aspen throughout the season, and optimal in mid-summer at a C:N ratio of approximately 18 (approximately 2.3 %N). When young leaves were excluded and logarithms of both variables were used, A (sub max) was approximately linearly dependent on N (mg N cm (exp-2) (r (exp 2) = 0.85, n= 193, P less than 0.001), attributed to incorporation of N into photosynthetic complexes and enzymes. In mature leaves, differences in pigment content vs. N among canopy strata were accentuated when N was expressed per unit leaf area (Mg cm (exp -2)) . However, the simplest log-linear relationship between a pigment variable and N was obtained for a ratio describing the relative allocation of photosynthetic pigment to Chl a (Chl a/[Chl b + carotenoids], microgram cm (exp -2)/ microgram cm-2) vs. %N (r (exp 2) = 0.90, n=343, P less than 0.001). Attainment of comparable A (sub max) Chl a content and relative Chl a allocation per unit N (mg cm (exp -2)) was achieved at different foliar N levels per canopy group: the lowest N requirement was for hazelnut leaves in the lowest, shaded stratum at the older, closed canopy site; the highest N requirement was in aspen leaves of the upper-most stratum at the younger, more open canopy site. These results highlight the differences in physiological responses between young and fully expanded leaves and show that sustaining those foliar constituents and processes important to C balance may require higher foliar N levels in leaves of establishing vs. mature aspen stands. There may be implications for remote-sensing assessments made for carbon balance in springtime, or over a landscape mosaic comprised of different aged stands.

Social Workers' Orientation toward the Evidence-Based Practice Process: A Dutch Survey

ERIC Educational Resources Information Center

van der Zwet, Renske J. M.; Kolmer, Deirdre M. Beneken genaamd; Schalk, René

2016-01-01

Objectives: This study assesses social workers' orientation toward the evidence-based practice (EBP) process and explores which specific variables (e.g. age) are associated. Methods: Data were collected from 341 Dutch social workers through an online survey which included a Dutch translation of the EBP Process Assessment Scale (EBPPAS), along with…

Assessment of central auditory processing in a group of workers exposed to solvents.

PubMed

Fuente, Adrian; McPherson, Bradley; Muñoz, Verónica; Pablo Espina, Juan

2006-12-01

Despite having normal hearing thresholds and speech recognition thresholds, results for central auditory tests were abnormal in a group of workers exposed to solvents. Workers exposed to solvents may have difficulties in everyday listening situations that are not related to a decrement in hearing thresholds. A central auditory processing disorder may underlie these difficulties. To study central auditory processing abilities in a group of workers occupationally exposed to a mix of organic solvents. Ten workers exposed to a mix of organic solvents and 10 matched non-exposed workers were studied. The test battery comprised pure-tone audiometry, tympanometry, acoustic reflex measurement, acoustic reflex decay, dichotic digit, pitch pattern sequence, masking level difference, filtered speech, random gap detection and hearing-in-noise tests. All the workers presented normal hearing thresholds and no signs of middle ear abnormalities. Workers exposed to solvents had lower results in comparison with the control group and previously reported normative data, in the majority of the tests.

Ethics and the compensation of immigrant workers for work-related injuries and illnesses.

PubMed

Gravel, Sylvie; Vissandjée, Bilkis; Lippel, Katherine; Brodeur, Jean-Marc; Patry, Louis; Champagne, François

2010-10-01

This paper examines the compensation process for work-related injuries and illnesses by assessing the trajectories of a sample of immigrant and non-immigrant workers (n = 104) in Montreal. Workers were interviewed to analyze the complexity associated with the compensation process. Experts specialized in compensation issues assessed the difficulty of the interviewees' compensation process. Immigrant workers faced greater difficulties with medical, legal, and administrative issues than non-immigrants did. While immigrant workers' claim forms tended to be written more often by employers or friends (58% vs. 8%), the claims were still more often contested by employers (64% vs. 24%). Immigrant workers were less likely to obtain a precise diagnosis (64% vs. 42%) and upon returning to work were more likely to face sub-optimal conditions. Such results throw into relief issues of ethics and equity in host societies that are building their economy with migrant workers.

Working Conditions, Occupational Injuries, and Health Among Filipino Fish Processing Workers in Dutch Harbor, Alaska.

PubMed

Garcia, Gabriel Macasiray; de Castro, Butch

2017-05-01

This study explored how unique environmental conditions in Alaska influenced occupational health and safety for Filipino fish processing workers, many of whom migrated from warm locations (e.g., the Philippines, California, and Nevada). In-depth interviews were conducted with 26 Filipino workers in one commercial fish processing company in Dutch Harbor. Results indicated that cold weather interferes with workers' job performance, increasing their risk for injury and illness, whereas the community's isolation and rural nature causes loneliness and boredom, resulting in more high-risk behaviors. Other non-environmental factors affecting worker health include roommate and supervisor concerns and culture-specific practices. Findings suggest the importance of job rotation to avoid long exposures to cold temperatures, the value of a designated individual to inform workers about company and community resources that promote healthy lifestyles, and the possible utility of a joint worker-management safety committee.

77 FR 56870 - New Process Gear, a Division of Magna Powertrain, Including On-Site Leased Workers From ABM...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-09-14

... Process Gear, a division of Magna Powertrain, including on-site leased workers from ABM Janitorial Service... DEPARTMENT OF LABOR Employment and Training Administration [TA-W-74,940] New Process Gear, a Division of Magna Powertrain, Including On- Site Leased Workers From ABM Janitorial Service Northeast, Inc...

Collaboration among eldercare workers: barriers, facilitators and supporting processes.

PubMed

Jakobsen, Louise M; Albertsen, Karen; Jorgensen, Anette F B; Greiner, Birgit A; Rugulies, Reiner

2018-05-03

To retain qualified care workers and to ensure high-quality care for residents in eldercare homes, well-functioning collaboration among care workers is pivotal. This study aims to identify barriers and facilitators of collaboration among eldercare workers and to describe the processes leading to well-functioning collaboration. We collected focus group data from 33 eldercare workers from seven Danish eldercare homes. We found that collaboration was hampered by a number of formal and informal divisions among care workers. To ensure well-functioning collaboration, social and professional relations among care workers needed to be dealt with actively by care workers and by managers. The analysis showed that managers are essential for creating a well-functioning framework around the collaboration between care workers by providing guidelines and procedures for working across various divisions, by being attentive to care workers and taking decisive action when needed and by dealing with conflicts in the workgroups. © 2018 Nordic College of Caring Science.

In vitro fermented nuts exhibit chemopreventive effects in HT29 colon cancer cells.

PubMed

Lux, Stefanie; Scharlau, Daniel; Schlörmann, Wiebke; Birringer, Marc; Glei, Michael

2012-10-01

It is proven that nuts contain essential macro- and micronutrients, e.g. fatty acids, vitamins and dietary fibre (DF). Fermentation of DF by the gut microflora results in the formation of SCFA which are recognised for their chemopreventive potential, especially by influencing cell growth. However, little is known about cellular response to complex fermentation samples of nuts. Therefore, we prepared and analysed (pH, SCFA, bile acids, tocopherol, antioxidant capacity) fermentation supernatant (fs) fractions of nuts (almonds, macadamias, hazelnuts, pistachios, walnuts) after in vitro fermentation and determined their effects on growth of HT29 cells as well as their genotoxic/anti-genotoxic potential. The fermented nut samples contained 2- to 3-fold higher amounts of SCFA than the faeces control, but considerable reduced levels of bile acids. While most of the investigated native nuts comprised relatively high amounts of tocopherol (α-tocopherol in almonds and hazelnuts and γ- and δ-tocopherol in pistachios and walnuts), rather low concentrations were found in the fs. All nut extracts and nut fs showed a strong antioxidant potential. Furthermore, all fs, except the fs pistachio, reduced growth of HT29 cells significantly. DNA damage induced by H₂O₂ was significantly reduced by the fs of walnuts after 15 min co-incubation of HT29 cells. In conclusion, this is the first study which presents the chemopreventive effects (reduction of tumour-promoting desoxycholic acid, rise in chemopreventive SCFA, protection against oxidative stress) of different nuts after in vitro digestion and fermentation, and shows the potential importance of nuts in the prevention of colon cancer.

IgE Immunoadsorption Knocks Down the Risk of Food-Related Anaphylaxis.

PubMed

Dahdah, Lamia; Ceccarelli, Stefano; Amendola, Silvia; Campagnano, Pietro; Cancrini, Caterina; Mazzina, Oscar; Fiocchi, Alessandro

2015-12-01

The effects of an immunoadsorption procedure, specifically designed to remove immunoglobulin E (IgE), on food-induced anaphylaxis have never been evaluated. We evaluate the effects of IgE removal on the allergic thresholds to foods. A 6-year-old boy with anaphylaxis to multiple foods and steroid-resistant unstable allergic asthma displayed serum IgE levels of 2800 to 3500 kU/L. To lower IgE serum concentrations, which could be overridden by a high dose of omalizumab, 1.5 plasma volumes were exchanged in 8 apheresis sessions. During the procedure, serum IgE levels fell to 309 kU/L. After the procedure, the threshold of reactivity to baked milk increased from 0.125 to 5 g of milk protein (full tolerance) after the first session, and the threshold of reactivity to hazelnut increased from 0.037 to 0.142 g of protein after the first session, 0.377 g after the eighth, and 1.067 g (full tolerance) after the first administration of omalizumab. Immediately after the sixth IgE immunoadsorption, we started omalizumab therapy. In the next 40 days, the threshold of reactivity to hazelnut increased to 7.730 (full tolerance). Asthma control was obtained, treatment with montelukast was stopped, and fluticasone was tapered from 500 to 175 μg/day. The boy became partially or fully tolerant to all the tested foods, and quality of life was improved. IgE immunoadsorption, used to establish the starting basis for omalizumab administration, is able to increase the tolerance threshold to foods. Copyright © 2015 by the American Academy of Pediatrics.

Quality of life in childhood, adolescence and adult food allergy: Patient and parent perspectives.

PubMed

Stensgaard, A; Bindslev-Jensen, C; Nielsen, D; Munch, M; DunnGalvin, A

2017-04-01

Studies of children with food allergy typically only include the mother and have not investigated the relationship between the amount of allergen needed to elicit a clinical reaction (threshold) and health-related quality of life (HRQL). Our aims were (i) to compare self-reported and parent-reported HRQL in different age groups, (ii) to evaluate the impact of severity of allergic reaction and threshold on HRQL, and (iii) to investigate factors associated with patient-reported and parent-reported HRQL. Age-appropriate Food Allergy Quality of Life Questionnaires (FAQLQ) were completed by 73 children, 49 adolescents and 29 adults with peanut, hazelnut or egg allergy. Parents (197 mothers, 120 fathers) assessed their child's HRQL using the FAQLQ-Parent form. Clinical data and threshold values were obtained from a hospital database. Significant factors for HRQL were investigated using univariate and multivariate regression. Female patients reported greater impact of food allergy on HRQL than males did. Egg and hazelnut thresholds did not affect HRQL, but lower peanut threshold was associated with worse HRQL. Both parents scored their child's HRQL better than the child's own assessment, but whereas mother-reported HRQL was significantly affected by limitations in the child's social life, father-reported HRQL was affected by limitations in the family's social life. Severity of allergic reaction did not contribute significantly to HRQL. The risk of accidental allergen ingestion and limitations in social life are associated with worse HRQL. Fathers provide a unique perspective and should have a greater opportunity to contribute to food allergy research. © 2016 John Wiley & Sons Ltd.

Betwixt and between: workplace perspectives on work reintegration in the eldercare sector in Denmark.

PubMed

Ladekjær Larsen, Eva; Labriola, Merete; Vinther Nielsen, Claus; Schultz Petersen, Kirsten

2015-01-01

Contemporary return-to-work (RTW) policies in Denmark and other welfare nations recommend employees on long-term sick leave, due to physical or mental health problems, to RTW gradually. Factors that influence the process of work reintegration (WR) is well documented, however, co-workers experiences of this process are a rather new research topic. Moreover, in the context of the present research, no studies have so far explored the workplace as an arena for social interaction. The aim of this study was to explore co-workers' experiences of the reintegration process and how these experiences are related to social positions at the workplace. Ethnographic fieldwork was conducted at two nursing homes that were in a process WR after long-term sick leave. The data consist of field notes, policy documents, individual interviews, and focus group interviews. Data were organized by use of NVivo. A theoretical framework was adopted which enabled us to approach and interpret the reintegration process as one that changed the social position of the returning employee. The dataset demonstrates how the returnee is in a state of being betwixt and between the social positions of a co-worker and a non-co-worker. This is illustrated in three cases which show that this state prevents the returnee from taking on the role as a co-worker, excludes the returnee from the workplace, and creates uncertainty for all workplace actors. The study highlighted that WR creates a social position for the returnee that complicates the working routine and causes uncertainty in social interactions. Implications for Rehabilitation Work reintegration (WR) after long-term sick leave is commonly characterized by reduced working hours and modified working tasks. The WR process influences the whole work place including co-workers' everyday working life and complicates work situations where work tasks and roles are negotiated between the returning worker and co-workers. Future WR policies and guidelines could benefit from integrating co-workers' perspective to ensure that the returning worker is not socially excluded as well as ensuring that co-workers are not overburdened in the process.

Can Rural Employment Benefit from Changing Labor Skills in U.S. Processed Food Trade?

ERIC Educational Resources Information Center

Schluter, Gerald; Lee, Chinkook

2002-01-01

The 1990s saw a gain in rural food-processing employment, particularly meat packing and poultry processing, as the industry's demand for low-skilled workers increased. Analysis links the change in worker skills to international trade. While increased rural employment may seem beneficial, the jobs often do not appeal to rural domestic workers, and…

How EPA Protects Workers from Pesticide Risk

EPA Pesticide Factsheets

EPA protects workers from pesticide risk through the risk assessment and risk management processes, as well as via specific worker safety programs such as the worker protection standard and other initiatives.

The social interaction of return to work explored from co-workers experiences.

PubMed

Tjulin, Åsa; MacEachen, Ellen; Stiwne, Elinor Edvardsson; Ekberg, Kerstin

2011-01-01

The objective was to explore the role and contribution of co-workers in the return-to-work process. The social interaction of co-workers in the return-to-work process are analysed within the framework of the Swedish national and local employer organisational return-to-work policies. An exploratory qualitative method was used, consisting of open-ended interviews with 33 workplace actors across seven work units. Organisational return-to-work policies were collected from the three public sector employers. The key findings that emerged during analysis showed that some co-workers have a more work-task oriented approach towards the return-to-work process, whilst others had a more social relational approach. In both situations, the social relations worked hand in hand with job tasks (how task were allocated, and how returning workers were supported by others) and could make or break the return-to-work process. A suggestion for improvement of return-to-work models and policies is the need to take into account the social relations amongst workplace actors, especially involving co-workers when planning for return-to-work interventions. Otherwise the proper attention to work arrangements, social communication and the role of co-workers in the return-to-work process might not be seen.

Hypersensitivity pneumonitis in a hardwood processing plant related to heavy mold exposure.

PubMed

Veillette, Marc; Cormier, Yvon; Israël-Assayaq, Evelyne; Meriaux, Anne; Duchaine, Caroline

2006-06-01

Two workers employed in a hardwood floor plant presented symptoms suggestive of hypersensitivity pneumonitis (HP). At that plant, kiln-dried wood often shows moldy growth and is subsequently brought inside for processing. This study evaluated the environment in attempt to identify the causative antigen and verify whether other workers of this and similar plants had or were at risk of developing HP. Dust from dust-removing systems and molds on the surface of wood planks were collected and air samples taken from a sister plant. Blood samples, spirometry, and symptoms' questionnaires were obtained from 11 co-workers. Dense Paecilomyces growth was observed on the surface of the dried processed wood in the index plant. This fungal genus was not detected in the sister plant. An additional worker had symptoms suggestive of HP, and his bronchoalveolar lavage revealed a lymphocytic alveolitis. The 3 confirmed cases of HP and the other 10 workers had positive specific IgG antibodies to Paecilomyces. We report 3 cases of HP out of 13 workers and a 100% sensitization to molds in workers of a hardwood processing plant. This rate is much higher than what is commonly seen in other environments associated with HP. The drying process is suspected of being responsible for the massive Paecilomyces contamination likely responsible for the HP.

Carotenoids, Fatty Acid Composition and Heat Stability of Supercritical Carbon Dioxide-Extracted-Oleoresins

PubMed Central

Longo, Cristiano; Leo, Lucia; Leone, Antonella

2012-01-01

The risk of chronic diseases has been shown to be inversely related to tomato intake and the lycopene levels in serum and tissue. Cis-isomers represent approximately 50%–80% of serum lycopene, while dietary lycopene maintains the isomeric ratio present in the plant sources with about 95% of all-trans-lycopene. Supercritical CO2 extraction (S-CO2) has been extensively developed to extract lycopene from tomato and tomato processing wastes, for food or pharmaceutical industries, also by using additional plant sources as co-matrices. We compared two S-CO2-extracted oleoresins (from tomato and tomato/hazelnut matrices), which showed an oil-solid bi-phasic appearance, a higher cis-lycopene content, and enhanced antioxidant ability compared with the traditional solvent extracts. Heat-treating, in the range of 60–100 °C, led to changes in the lycopene isomeric composition and to enhanced antioxidant activity in both types of oleoresins. The greater stability has been related to peculiar lycopene isomer composition and to the lipid environment. The results indicate these oleoresins are a good source of potentially healthful lycopene. PMID:22605975

Isoflavone Retention during Processing, Bioaccessibility, and Transport by Caco-2 Cells: Effects of Source and Amount of Fat in a Soy Soft Pretzel

PubMed Central

Simmons, Amber L.; Chitchumroonchokchai, Chureeporn; Vodovotz, Yael; Failla, Mark L.

2014-01-01

The impact of source and amount of lipid used to prepare a soy soft pretzel on the bioaccessibility and transport of isoflavones was investigated using the coupled in vitro digestion/Caco-2 human cell model. Pretzels were prepared without or with 2.9 or 6.0% exogenous lipid from either shortening, canola oil, ground almond, or ground hazelnut. The isoflavone backbone structure was stable during pretzel production, although there was partial conversion from malonyl and acetyl glucosides to simple glucosides and aglycones. Endogenous β-glucosidase activity in ground almond facilitated partial conversion of simple glucosides to aglycones during proofing, resulting in a slight decrease in bioaccessibility of isoflavones as compared with other sources of lipid. Amount and source of lipid did not affect bioaccessibility or uptake and metabolism of isoflavones by Caco-2 cells, although transport across the monolayer was greater with the lesser amount of shortening. These results suggest that the isoflavone structure, but not source or amount of lipid in a soy pretzel, may affect bioavailability of isoflavones. PMID:23167916

A pyrolysis study for the thermal and kinetic characteristics of an agricultural waste with two different plastic wastes.

PubMed

Çepelioğullar, Özge; Pütün, Ayşe E

2014-10-01

In this study, thermochemical conversion of plastic wastes (PET and PVC) together with an agricultural waste (hazelnut shell) was investigated. In order to determine the thermal and kinetic behaviours, pyrolysis experiments were carried out from room temperature to 800 °C, with a heating rate of 10 °C min(-1) in the presence of a N2 atmosphere in a thermogravimetric analyzer. With the obtained thermogravimetric data, an appropriate temperature was specified for the pyrolysis of biomass-plastic wastes in a fixed-bed reactor. At the second step, pyrolysis experiments were carried out at the same conditions with the thermogravimetric analyzer, except the final temperature which was up to 500 °C in this case. After pyrolysis experiments, pyrolysis yields were calculated and characterization studies for bio-oil were investigated. Experimental results showed that co-pyrolysis has an important role in the determination of the pyrolysis mechanism and the process conditions while designing/implementing a thermochemical conversion method where biomass-plastic materials were preferred as raw materials. © The Author(s) 2014.

In house validation of a high resolution mass spectrometry Orbitrap-based method for multiple allergen detection in a processed model food.

PubMed

Pilolli, Rosa; De Angelis, Elisabetta; Monaci, Linda

2018-02-13

In recent years, mass spectrometry (MS) has been establishing its role in the development of analytical methods for multiple allergen detection, but most analyses are being carried out on low-resolution mass spectrometers such as triple quadrupole or ion traps. In this investigation, performance provided by a high resolution (HR) hybrid quadrupole-Orbitrap™ MS platform for the multiple allergens detection in processed food matrix is presented. In particular, three different acquisition modes were compared: full-MS, targeted-selected ion monitoring with data-dependent fragmentation (t-SIM/dd2), and parallel reaction monitoring. In order to challenge the HR-MS platform, the sample preparation was kept as simple as possible, limited to a 30-min ultrasound-aided protein extraction followed by clean-up with disposable size exclusion cartridges. Selected peptide markers tracing for five allergenic ingredients namely skim milk, whole egg, soy flour, ground hazelnut, and ground peanut were monitored in home-made cookies chosen as model processed matrix. Timed t-SIM/dd2 was found the best choice as a good compromise between sensitivity and accuracy, accomplishing the detection of 17 peptides originating from the five allergens in the same run. The optimized method was validated in-house through the evaluation of matrix and processing effects, recoveries, and precision. The selected quantitative markers for each allergenic ingredient provided quantification of 60-100 μg ingred /g allergenic ingredient/matrix in incurred cookies.

Multidrug-Resistant and Methicillin-Resistant Staphylococcus aureus (MRSA) in Hog Slaughter and Processing Plant Workers and Their Community in North Carolina (USA)

PubMed Central

Neyra, Ricardo Castillo; Frisancho, Jose Augusto; Rinsky, Jessica L.; Resnick, Carol; Carroll, Karen Colleen; Rule, Ana Maria; Ross, Tracy; You, Yaqi; Price, Lance B.

2014-01-01

Background: Use of antimicrobials in industrial food-animal production is associated with the presence of antimicrobial-resistant Staphylococcus aureus (S. aureus) among animals and humans. Hog slaughter/processing plants process large numbers of animals from industrial animal operations and are environments conducive to the exchange of bacteria between animals and workers. Objectives: We compared the prevalence of multidrug-resistant S. aureus (MDRSA) and methicillin-resistant S. aureus (MRSA) carriage among processing plant workers, their household members, and community residents. Methods: We conducted a cross-sectional study of hog slaughter/processing plant workers, their household members, and community residents in North Carolina. Participants responded to a questionnaire and provided a nasal swab. Swabs were tested for S. aureus, and isolates were tested for antimicrobial susceptibility and subjected to multilocus sequence typing. Results: The prevalence of S. aureus was 21.6%, 30.2%, and 22.5% among 162 workers, 63 household members, and 111 community residents, respectively. The overall prevalence of MDRSA and MRSA tested by disk diffusion was 6.9% and 4.8%, respectively. The adjusted prevalence of MDRSA among workers was 1.96 times (95% CI: 0.71, 5.45) the prevalence in community residents. The adjusted average number of antimicrobial classes to which S. aureus isolates from workers were resistant was 2.54 times (95% CI: 1.16, 5.56) the number among isolates from community residents. We identified two MDRSA isolates and one MRSA isolate from workers as sequence type 398, a type associated with exposure to livestock. Conclusions: Although the prevalence of S. aureus and MRSA was similar in hog slaughter/processing plant workers and their household and community members, S. aureus isolates from workers were resistant to a greater number of antimicrobial classes. These findings may be related to the nontherapeutic use of antimicrobials in food-animal production. Citation: Castillo Neyra R, Frisancho JA, Rinsky JL, Resnick C, Carroll KC, Rule AM, Ross T, You Y, Price LB, Silbergeld EK. 2014. Multidrug-resistant and methicillin-resistant Staphylococcus aureus (MRSA) in hog slaughter and processing plant workers and their community in North Carolina (USA). Environ Health Perspect 122:471–477; http://dx.doi.org/10.1289/ehp.1306741 PMID:24508836

On the line: worker democracy and the struggle over occupational health and safety.

PubMed

Granzow, Kara; Theberge, Nancy

2009-01-01

In this article we present a qualitative analysis of worker involvement in a participatory project to improve occupational health and safety at a Canadian manufacturing site. Based on interviews with workers in the plant, we consider the manner and degree to which workers experienced meaningful participation in the intervention process and some of the main barriers to worker participation. Findings emphasize the importance of the social and political context in conditioning the dynamics of joint management labor ventures specifically in relation to health initiatives. Interviews revealed few instances in which workers felt included in the participatory initiative; most often they felt marginalized. In the absence of structural change in the plant, workers described the health initiative as seriously limited in its ability to render meaningful worker participation. These results extend beyond this analysis of a participatory workplace health initiative, offering insights into the dynamics of institutional participatory process, and into participatory research practice generally.

Social Workers' Attempts to Navigate Among the Elderly, Their Families, and Foreign Home Care Workers in the Haredi Community.

PubMed

Freund, Anat; Band-Winterstein, Tova

2017-02-01

The study's aim is to examine social workers' experience in facilitating the integration of foreign home care workers (FHCWs) into the ultraorthodox Jewish (UOJ) community for the purpose of treating older adults. Using the qualitative-phenomenological approach, semistructured, in-depth interviews were conducted with 18 social workers in daily contact with UOJ older adult clients in the process of integrating FHCWs. Data analysis revealed three central themes-integrating FHCWs into the aging UOJ family: barriers and challenges in the interaction between the two worlds; "even the rabbi has a FHCW": changing trends in caring for older adults; and the social worker as mediator and facilitator of a successful relationship. Social workers play a central role, serving as a cultural bridge in the process of integrating FHCWs, as a way of addressing the needs of ultraorthodox elderly and their families, while also considering the needs of the foreign workers.

Validation of a Turkish Version of the Profiles of Organizational Influence Strategies

ERIC Educational Resources Information Center

Cetin, Saadet Kuru; Cinkir, Sakir

2016-01-01

Influencing others is at the heart of the management process. Managers use the influencing process for the purposes of controlling workers, using limited sources, implementing organizational change, breaking down the resistance of workers to this change, and enhancing the performance of workers of different from the managers' backgrounds. This…

Understanding Support Workers' Competence Development in Working with Parents with Intellectual Disability

ERIC Educational Resources Information Center

Mc Hugh, Elaine; Starke, Mikaela

2015-01-01

Training for support workers who work with parents with intellectual disability can be aided by understanding how they perceive the training process and their competence development. This study explored the perceptions of competence development and the training process in Swedish support workers trained in the evidence-informed programme…

Pulmonary function, respiratory symptoms, and dust exposures among workers engaged in early manufacturing processes of tea: a cohort study.

PubMed

Shieh, Tzong-Shiun; Chung, Jui-Jung; Wang, Chung-Jing; Tsai, Perng-Jy; Kuo, Yau-Chang; Guo, How-Ran

2012-02-13

To evaluate pulmonary function and respiratory symptoms in workers engaged in the early manufacturing processes of tea and to identify the associated factors, we conducted a study in a tea production area in Taiwan. We recruited tea workers who engaged in the early manufacturing process in the Mountain Ali area in Taiwan and a comparison group of local office workers who were matched for age, gender, and smoking habits. We performed questionnaire interviews, pulmonary function tests, skin prick tests, and measurement of specific IgE for tea on the participants and assessed tea dust exposures in the tea factories. The 91 participating tea workers had higher prevalence of respiratory symptoms than the comparison group (32 participants). Among tea workers, ball-rolling workers had the highest prevalence of symptoms and the highest exposures of inhalable dusts. At baseline, tea workers had similar pulmonary functions as the comparison group, but compared to the other tea workers ball-rolling workers had a lower ratio of the 1-second forced expiratory volume to forced vital capacity (FEV1/FVC) and a lower maximal mid-expiratory flow rate expressed as% of the predicted value--MMF (%pred). A total of 58 tea workers participated in the on-site investigation and the cross-shift lung function measurements. We found ball-rolling yielded the highest inhalable dust level, panning yielded the highest respirable dust level, and withering yielded the lowest levels of both dusts. Ball-rolling also yielded the highest coarse fraction (defined as inhalable dusts minus respirable dusts), which represented exposures from nose to tracheobronchial tract. During the shift, we observed significant declines in pulmonary function, especially in ball-rolling workers. Multiple regressions showed that age, height, work tasks, coarse fraction, and number of months working in tea manufacturing each year were independent predictors of certain pulmonary function parameters in tea workers. Tea workers engaged in early manufacturing processes of tea have higher prevalence of respiratory symptoms and pulmonary function impairment, which might be related to tea dust exposures, especially the coarse fraction.

Purification and characterization of the bacteriocin Thuricin Bn1 produced by Bacillus thuringiensis subsp. kurstaki Bn1 isolated from a hazelnut pest.

PubMed

Ugras, Serpil; Sezen, Kazim; Kati, Hatice; Demirbag, Zihni

2013-02-01

A novel bioactive molecule produced by Bacillus thuringiensis subsp. kurstaki Bn1 (Bt-Bn1), isolated from a common pest of hazelnut, Balaninus nucum L. (Coleoptera: Curculionidae), was determined, purified, and characterized in this study. The Bt-Bn1 strain was investigated for antibacterial activity with an agar spot assay and well diffusion assay against B. cereus, B. weinhenstephenensis, L. monocytogenes, P. savastanoi, P. syringae, P. lemoignei, and many other B. thuringiensis strains. The production of bioactive molecule was determined at the early logarithmic phase in the growth cycle of strain Bt-Bn1 and its production continued until the beginning of the stationary phase. The mode of action of this molecule displayed bacteriocidal or bacteriolytic effect depending on the concentration. The bioactive molecule was purified 78-fold from the bacteria supernatant with ammonium sulfate precipitation, dialysis, ultrafiltration, gel filtration chromatography, and HPLC, respectively. The molecular mass of this molecule was estimated via SDS-PAGE and confirmed by the ESI-TOFMS as 3,139 Da. The bioactive molecule was also determined to be a heat-stable, pH-stable (range 6-8), and proteinase K sensitive antibacterial peptide, similar to bacteriocins. Based on all characteristics determined in this study, the purified bacteriocin was named as thuricin Bn1 because of the similarities to the previously identified thuricin-like bacteriocin produced by the various B. thuringiensis strains. Plasmid elution studies showed that gene responsible for the production of thuricin Bn1 is located on the chromosome of Bt-Bn1. Therefore, it is a novel bacteriocin and the first recorded one produced by an insect originated bacterium. It has potential usage for the control of many different pathogenic and spoilage bacteria in the food industry, agriculture, and various other areas.

Specific IgE Antibodies in Young Children with Atopic Dermatitis--Correlation of Multiple Allergen Simultaneous Immunoblot Test and ImmunoCap System.

PubMed

Konopka, Ewa; Ceregra, Aldona; Maciorkowska, Elzbieta; Surowska, Barbara; Trojanowska, Ilona; Roszko-Kirpsza, Izabela; Cukrowska, Bozena

2016-01-01

Sensitization to food allergens is a common condition in pediatric atopic dermatitis (AD). Recently, the multiple allergen simultaneous test (MAST) allowing for a comprehensive assessment of atopy has been developed, but the usefulness in young AD children is not known. The aim of this study was to determine IgE specificity in AD children using MAST and to compare the results for selected food allergens with the reference ImmunoCap system. The study enrolled 50 children up to 2 years old with a diagnosis of AD. IgE antibodies were measured with the MAST-immunoblots. Children with specific IgE levels ≥ 0.35 kU/L were identified as sensitized to allergens. Most often children were sensitized to food allergens (egg white and yolk, hazelnuts, potato, cow's milk proteins, wheat flour, codfish, and soybean), but a high percentage of them also had IgE antibodies against house dust mites (12%), grass (10%), and birch (10%). Eight percent of children were sensitized to domestic animals (cats and dogs). Almost perfect (kappa index 0.8 - 1.0) and substantial (kappa index 0.6 - 0.8) agreement between MAST and ImmunoCap was found for food allergens except codfish. Pearson's analysis of antibody classes showed a very strong correlation between two methods (r = 0.8 - 1.0) for egg white, hazelnuts, potato, cow's milk proteins, wheat flour, and soybean, and a strong correlation (r = 0.6 - 0.79) was observed for peanut, egg yolk, and codfish. The study showed the frequent occurrence of IgE antibodies against food and airborne and animal allergens in young AD children and confirmed the usefulness of MAST-immunoblots for screening of sensitization in pediatric patients.

Two Classes and One Vision? Managers' and Workers' Attitudes toward Workplace Democracy.

ERIC Educational Resources Information Center

Collom, Ed

2003-01-01

Analyses of national survey data on workplace democracy found both managers and workers support worker participation in manager selection and worker control of production processes. Experience of class-related practices strongly predicts attitudes; location in the class hierarchy does not. Once workers gain some control, they seek to broaden it to…

Value Preferences of Social Workers.

PubMed

Tartakovsky, Eugene; Walsh, Sophie D

2018-04-01

The current study examines value preferences of social workers in Israel. Using a theoretical framework of person-environment fit paradigm and theory of values, the study compared social workers (N = 641, mean age = 37.7 years, 91 percent female) with a representative sample of Israeli Jews (N = 1,600, mean age = 44.2, 52 percent female). Questionnaires included personal value preferences and sociodemographic variables (gender, age, education, religiosity, and immigrant status). Multivariate analysis of covariance showed that value preferences of social workers differed significantly from those of the general population. Analyses of covariance showed that social workers reported a higher preference for self-transcendence and a lower preference for conservation and self-enhancement values. Results have significance for the selection, training, and supervision of social workers. They suggest that it is important to assess to what extent selection processes for social workers are primarily recruiting social workers with shared values, thus creating an overly homogenous population of social workers. An understanding of personal value motivations can help social workers in their own process of self-development and growth, and to understand how the profession can fulfill their basic motivations.

Developing a Cardiac Rehabilitation Education Resource for Rural Health Workers in Queensland: Reviewing the Process and Outcomes.

ERIC Educational Resources Information Center

Parker, Elizabeth; O'Connor-Fleming, M.; Tooth, L.; Humphries, R. J.

2002-01-01

A resource manual on cardiac rehabilitation education was developed for health workers providing patient education in rural and remote Queensland (Australia). A process evaluation of the manual received feedback from 5 key informants and 31 rural health care workers following a 3-month trial. Overall, feedback was positive. Recommended content…

Systematic Barriers to Schooling of Migrant Workers' Children and Policy Recommendations

ERIC Educational Resources Information Center

Wang, Zhichao

2009-01-01

A population of migrant workers have appearing during the process of China's urbanization, and is an important part of the society that cannot be ignored. In the process of integration into cities, the equal development between the rights and obligations of migrant workers is gaining attention. Especially, the issue of schooling of their children…

The Structural Invisibility of Outsiders: The Role of Migrant Labour in the Meat-Processing Industry

PubMed Central

Lever, John; Milbourne, Paul

2016-01-01

This article examines the role of migrant workers in meat-processing factories in the UK. Drawing on materials from mixed methods research in a number of case study towns across Wales, we explore the structural and spatial processes that position migrant workers as outsiders. While state policy and immigration controls are often presented as a way of protecting migrant workers from work-based exploitation and ensuring jobs for British workers, our research highlights that the situation ‘on the ground’ is more complex. We argue that ‘self-exploitation’ among the migrant workforce is linked to the strategies of employers and the organisation of work, and that hyper-flexible work patterns have reinforced the spatial and social invisibilities of migrant workers in this sector. While this creates problems for migrant workers, we conclude that it is beneficial to supermarkets looking to supply consumers with the regular supply of cheap food to which they have become accustomed. PMID:28490818

Buddies in bad times? the role of co-workers after a work-related injury.

PubMed

Kosny, Agnieszka; Lifshen, Marni; Pugliese, Diana; Majesky, Gary; Kramer, Desre; Steenstra, Ivan; Soklaridis, Sophie; Carrasco, Christine

2013-09-01

Co-workers can play an important role after a work-related injury. They can provide details about the circumstances of an accident, offer emotional support to the injured worker and help with job tasks upon a co-worker's return to work (RTW). Working with an injured co-worker, however, can also strain work relationships and increase workload. The purpose of this study was to determine the role that co-workers play after a work-related injury and during the RTW process in the unionized, electrical construction sector. We conducted two focus groups with injured electricians and union representatives. We also interviewed co-workers who had worked with someone who had been injured in the course of employment. We examined the role that co-workers can play after a work-related injury and some of the factors facilitating and hindering co-worker support. The structure of work in the electrical sector-a focus on cost-cutting and competition, job insecurity, perceptions of "different camps" among co-workers, little modified work and poor formal communication-can impede co-worker support and contribute to making injured workers' experiences difficult. Management can play an important role in setting an example for how injured workers are regarded and treated. Future research should explore how workers can better be supported after a work-related injury and during the RTW process.

Adherence to Antimicrobial Inhalational Anthrax Prophylaxis among Postal Workers, Washington, D.C., 2001

PubMed Central

Laserson, Kayla; Fry, Alicia M.; Roy, Sharon; Hayslett, James; Grummer-Strawn, Laurence; Kettel-Khan, Laura; Schuchat, Anne

2002-01-01

In October 2001, two envelopes containing Bacillus anthracis spores were processed at the Washington, D.C., Processing and Distribution Center of the U.S. Postal Service; inhalational anthrax developed in four workers at this facility. More than 2,000 workers were advised to complete 60 days of postexposure prophylaxis to prevent inhalational anthrax. Interventions to promote adherence were carried out to support workers, and qualitative information was collected to evaluate our interventions. A quantitative survey was administered to a convenience sample of workers to assess factors influencing adherence. No anthrax infections developed in any workers involved in the interventions or interviews. Of 245 workers, 98 (40%) reported full adherence to prophylaxis, and 45 (18%) had completely discontinued it. Experiencing adverse effects to prophylaxis, anxiety, and being <45 years old were risk factors for discontinuing prophylaxis. Interventions, especially frequent visits by public health staff, proved effective in supporting adherence. PMID:12396929

20 CFR 655.182 - Debarment.

Code of Federal Regulations, 2010 CFR

2010-04-01

... WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Integrity Measures § 655.182 Debarment. (a) Debarment of an employer. The... or condition of its temporary labor certification, with respect to H-2A workers, workers in...

30 CFR 48.2 - Definitions.

Code of Federal Regulations, 2013 CFR

2013-07-01

... working in an underground mine, including any delivery, office, or scientific worker or occasional, short... service worker employed by the operator or a maintenance or service worker contracted by the operator to... workers, such as drillers and blasters, who are engaged in the extraction and production process or...

30 CFR 48.2 - Definitions.

Code of Federal Regulations, 2012 CFR

2012-07-01

... working in an underground mine, including any delivery, office, or scientific worker or occasional, short... service worker employed by the operator or a maintenance or service worker contracted by the operator to... workers, such as drillers and blasters, who are engaged in the extraction and production process or...

30 CFR 48.2 - Definitions.

Code of Federal Regulations, 2011 CFR

2011-07-01

... working in an underground mine, including any delivery, office, or scientific worker or occasional, short... service worker employed by the operator or a maintenance or service worker contracted by the operator to... workers, such as drillers and blasters, who are engaged in the extraction and production process or...

30 CFR 48.2 - Definitions.

Code of Federal Regulations, 2014 CFR

2014-07-01

... working in an underground mine, including any delivery, office, or scientific worker or occasional, short... service worker employed by the operator or a maintenance or service worker contracted by the operator to... workers, such as drillers and blasters, who are engaged in the extraction and production process or...

20 CFR 639.5 - When must notice be given?

Code of Federal Regulations, 2011 CFR

2011-04-01

....5 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR WORKER ADJUSTMENT... worker's last day of employment is considered the date of that worker's layoff. The first and each... and construction frequently hire workers for harvesting, processing, or for work on a particular...

The Impact of Physical and Ergonomic Hazards on Poultry Abattoir Processing Workers: A Review.

PubMed

Harmse, Johannes L; Engelbrecht, Jacobus C; Bekker, Johan L

2016-02-06

The poultry abattoir industry continues to grow and contribute significantly to the gross domestic product in many countries. The industry expects working shifts of eight to eleven hours, during which workers are exposed to occupational hazards which include physical hazards ranging from noise, vibration, exposure to cold and ergonomic stress from manual, repetitive tasks that require force. A PubMed, Medline and Science Direct online database search, using specific keywords was conducted and the results confirmed that physical and ergonomic hazards impact on abattoir processing workers health, with harm not only to workers' health but also as an economic burden due to the loss of their livelihoods and the need for treatment and compensation in the industry. This review endeavours to highlight the contribution poultry processing plays in the development of physical agents and ergonomic stress related occupational diseases in poultry abattoir processing workers. The impact includes noise-induced hearing loss, increased blood pressure, menstrual and work related upper limb disorders. These are summarised as a quick reference guide for poultry abattoir owners, abattoir workers, poultry associations, occupational hygienists and medical practitioners to assist in the safer management of occupational health in poultry abattoirs.

After-shift Musculoskeletal Disorder Symptoms in Female Workers and Work-related Factors: A Cross-sectional Study in a Seafood Processing Factory in Vietnam.

PubMed

Tran, Thuy Thi Thu; Phan, Chinh Thi Thuy; Pham, Tuan Cong; Nguyen, Quynh Thuy

2016-01-01

The seafood processing industry has been developing and providing marked contribution to Vietnam's economic growth in recent years. However, information on working conditions and their impacts to workers' health in this sector, focusing on musculoskeletal problems in female workers, has been poorly documented. This paper examines the prevalence of after-shift musculoskeletal disorder symptoms (A-MSDS) and work-related factors in female workers in a seafood processing factory in Vietnam. As part of a comprehensive study, a cross-sectional survey was implemented in one seafood processing factory in the center of Vietnam in 2014. A self-administered questionnaire was completed by 394 female workers to collect information about their A-MSDS state, demographic characteristics, health status and work conditions. Descriptive analysis and logistic regression were applied to describe and analyse the results. Nearly four-fifths of female workers experienced MSDs in at least one body part (77.7%) and 20.1% of them had MSDs in all investigated regions. The prevalence of A-MSDS in different body parts markedly varied, with the proportion of pain in the hips and lower extremities being as high as 53.3%, followed by pain in the shoulders and upper extremities (42.6%) and the neck (41.1%). A humid working environment, exposure to vibration and chemicals as well as taxing task demands and work organizations were found to significantly contribute to the increased risk of after-shift musculoskeletal disorders in female workers. Approximately 80% of female workers in the seafood processing factory experienced musculoskeletal pains after work, especially in the hips, extremities, neck and shoulders which were contributed by work conditions and task demands.

After-shift Musculoskeletal Disorder Symptoms in Female Workers and Work-related Factors: A Cross-sectional Study in a Seafood Processing Factory in Vietnam

PubMed Central

Tran, Thuy Thi Thu; Phan, Chinh Thi Thuy; Pham, Tuan Cong; Nguyen, Quynh Thuy

2016-01-01

Background The seafood processing industry has been developing and providing marked contribution to Vietnam's economic growth in recent years. However, information on working conditions and their impacts to workers' health in this sector, focusing on musculoskeletal problems in female workers, has been poorly documented. Objectives This paper examines the prevalence of after-shift musculoskeletal disorder symptoms (A-MSDS) and work-related factors in female workers in a seafood processing factory in Vietnam. Materials and Methods As part of a comprehensive study, a cross-sectional survey was implemented in one seafood processing factory in the center of Vietnam in 2014. A self-administered questionnaire was completed by 394 female workers to collect information about their A-MSDS state, demographic characteristics, health status and work conditions. Descriptive analysis and logistic regression were applied to describe and analyse the results. Results Nearly four-fifths of female workers experienced MSDs in at least one body part (77.7%) and 20.1% of them had MSDs in all investigated regions. The prevalence of A-MSDS in different body parts markedly varied, with the proportion of pain in the hips and lower extremities being as high as 53.3%, followed by pain in the shoulders and upper extremities (42.6%) and the neck (41.1%). A humid working environment, exposure to vibration and chemicals as well as taxing task demands and work organizations were found to significantly contribute to the increased risk of after-shift musculoskeletal disorders in female workers. Conclusion Approximately 80% of female workers in the seafood processing factory experienced musculoskeletal pains after work, especially in the hips, extremities, neck and shoulders which were contributed by work conditions and task demands. PMID:29546192

Foundations for Excellence in the Chemical Process Industries. Voluntary Industry Standards for Chemical Process Industries Technical Workers.

ERIC Educational Resources Information Center

Hofstader, Robert; Chapman, Kenneth

This document discusses the Voluntary Industry Standards for Chemical Process Industries Technical Workers Project and issues of relevance to the education and employment of chemical laboratory technicians (CLTs) and process technicians (PTs). Section 1 consists of the following background information: overview of the chemical process industries,…

20 CFR 655.60 - Violations.

Code of Federal Regulations, 2010 CFR

2010-04-01

... WORKERS IN THE UNITED STATES Labor Certification Process and Enforcement of Attestations for Temporary Employment in Occupations Other Than Agriculture or Registered Nursing in the United States (H-2B Workers... application process. ...

Biosorption of lead by citrobacter freundii immobilized on hazelnut shells

DOE Office of Scientific and Technical Information (OSTI.GOV)

Bueyuekguengoer, H.; Wilk, M.; Schubert, H.

1996-12-31

Biosorption of lead from aqueous solutions by living and immobilized cell of C. freundii was examined as a function of metal concentration in a batch laboratory bioreactor. Lead concentrations were analyzed using Atomic Absorption Spectrophotometer (AAS). X-ray Energy Dispersion (EDX) analyses were made in order to determine the accumulation of lead on the cells and shell surfaces. Before and after the experiments the biomaterials and adsorbents were examined by Scanning Electron Microscopy (SEM). Biosorption was detected over a range of initial lead concentrations from 25{times}10{sup -3} to 200{times}10{sup -3} kg/m{sup 3}. 15 refs., 4 figs.

A primer for workers' compensation.

PubMed

Bible, Jesse E; Spengler, Dan M; Mir, Hassan R

2014-07-01

A physician's role within a workers' compensation injury extends far beyond just evaluation and treatment with several socioeconomic and psychological factors at play compared with similar injuries occurring outside of the workplace. Although workers' compensation statutes vary among states, all have several basic features with the overall goal of returning the injured worker to maximal function in the shortest time period, with the least residual disability and shortest time away from work. To help physicians unfamiliar with the workers' compensation process accomplish these goals. Review. Educational review. The streamlined review addresses the topics of why is workers' compensation necessary; what does workers' compensation cover; progression after work injury; impairment and maximum medical improvement, including how to use the sixth edition of American Medical Association's (AMA) Guides to the evaluation of permanent impairment (Guides); completion of work injury claim after impairment rating; independent medical evaluation; and causation. In the "no-fault" workers' compensation system, physicians play a key role in progressing the claim along and, more importantly, getting the injured worker back to work as soon as safely possible. Physicians should remain familiar with the workers' compensation process, along with how to properly use the AMA Guides. Copyright © 2014 Elsevier Inc. All rights reserved.

Employer, use of personal protective equipment, and work safety climate: Latino poultry processing workers.

PubMed

Arcury, Thomas A; Grzywacz, Joseph G; Anderson, Andrea M; Mora, Dana C; Carrillo, Lourdes; Chen, Haiying; Quandt, Sara A

2013-02-01

This analysis describes the work safety climate of Latino poultry processing workers and notes differences by worker personal characteristics and employer; describes the use of common personal protective equipment (PPE) among workers; and examines the associations of work safety climate with use of common PPE. Data are from a cross-sectional study of 403 Latino poultry processing workers in western North Carolina. Work safety climate differed little by personal characteristics, but it did differ consistently by employer. Provision of PPE varied; for example, 27.2% of participants were provide with eye protection at no cost, 57.0% were provided with hand protection at no cost, and 84.7% were provided with protective clothing at no cost. PPE use varied by type. Provision of PPE at no cost was associated with lower work safety climate; this result was counter-intuitive. Consistent use of PPE was associated with higher work safety climate. Work safety climate is important for improving workplace safety for immigrant workers. Research among immigrant workers should document work safety climate for different employers and industries, and delineate how work safety climate affects safety behavior and injuries. Copyright © 2012 Wiley Periodicals, Inc.

Constant negotiating: managing work-related musculoskeletal disorders while remaining at the workplace.

PubMed

Smith-Young, Joanne; Solberg, Shirley; Gaudine, Alice

2014-02-01

We used grounded theory to explore processes and strategies used by workers affected by work-related musculoskeletal disorders (WMSDs) while they remained in the workplace, and we developed a theory to describe the overall process. Participants included 25 workers affected by WMSDs who were currently employed in various workplaces in Newfoundland and Labrador, Canada. The theoretical model has five main phases: (a) becoming concerned, (b) getting medical help, (c) dealing with the workplace, (d) making adjustments to lifestyle, and (e) taking charge, each with separate subphases. Constant negotiating was the core variable that explained the overall process, with workers engaged in negotiations with others in occupational, health, and social contexts. Using a two-dimensional figure, we illustrate the negotiation strategies workers used. We discuss implications for health care, workplaces, education, and research for creating a culture of understanding and respect for injured workers who wish to remain working after developing WMSDs.

Case cluster of pneumoconiosis at a coal slag processing facility.

PubMed

Fagan, Kathleen M; Cropsey, Erin B; Armstrong, Jenna L

2015-05-01

During an inspection by the Occupational Safety and Health Administration (OSHA) of a small coal slag processing plant with 12 current workers, four cases of pneumoconiosis were identified among former workers. The OSHA investigation consisted of industrial hygiene sampling, a review of medical records, and case interviews. Some personal sampling measurements exceeded the OSHA Permissible Exposure Limit (PEL) for total dust exposures of 15 mg/m(3), and the measured respirable silica exposure of 0.043 mg/m(3), although below OSHA's current PEL for respirable dust containing silica, was above the American Conference of Governmental Industrial Hygienists' Threshold Limit Value (TLV). Chest x-rays for all four workers identified small opacities consistent with pneumoconiosis. This is the first known report of lung disease in workers processing coal slag and raises concerns for workers exposed to coal slag dust. © 2015 Wiley Periodicals, Inc.

Working Conditions, Occupational Injuries, and Health Among Filipino Fish Processing Workers in Dutch Harbor, Alaska

PubMed Central

Garcia, Gabriel Macasiray; de Castro, Butch

2017-01-01

This study explored how unique environmental conditions in Alaska influenced occupational health and safety for Filipino fish processing workers, many of whom migrated from warm locations (e.g., the Philippines, California, and Nevada). In-depth interviews were conducted with 26 Filipino workers in one commercial fish processing company in Dutch Harbor. Results indicated that cold weather interferes with workers’ job performance, increasing their risk for injury and illness, whereas the community’s isolation and rural nature causes loneliness and boredom, resulting in more high-risk behaviors. Other non-environmental factors affecting worker health include roommate and supervisor concerns and culture-specific practices. Findings suggest the importance of job rotation to avoid long exposures to cold temperatures, the value of a designated individual to inform workers about company and community resources that promote healthy lifestyles, and the possible utility of a joint worker–management safety committee. PMID:27729501

Perspectives of US Direct Care Workers on the Grief Process of Persons with Intellectual and Developmental Disabilities: Implications for Practice

ERIC Educational Resources Information Center

Gray, Jennifer A.; Abendroth, Maryann

2016-01-01

Background: The study explored the grief process of persons with intellectual and developmental disabilities (PWIDDs) as perceived by direct care workers (DCWs) and how such workers can guide and support PWIDDs experiencing grief. Materials and Methods: A thematic analysis approach was used to examine data from nine focus groups with 60 DCWs from…

20 CFR 655.166 - Requests for determinations based on nonavailability of U.S. workers.

Code of Federal Regulations, 2011 CFR

2011-04-01

... nonavailability of U.S. workers. 655.166 Section 655.166 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Labor...

20 CFR 655.166 - Requests for determinations based on nonavailability of U.S. workers.

Code of Federal Regulations, 2010 CFR

2010-04-01

... nonavailability of U.S. workers. 655.166 Section 655.166 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Labor...

Counseling Workers over 40: GULHEMP, a New Approach.

ERIC Educational Resources Information Center

Meredith, Jack

This series of presentations describe a method of job counseling and placement for the middle-aged which combines pre-employment physical worker analysis with job analysis for effective matching of job requirements with worker capacities. The matching process involves these steps: (1) job analysis by an industrial engineer; (2) worker examination…

[Psychosocial Factors and Burnout Syndrome Found in Workers in the Dough Processing Industry, Tepic, Mexico].

PubMed

Beltrán, Carolina Aranda; Gónzalez, José Luis López; Barraza Salas, José Horacio

2013-06-01

The workers in the dough processing industry are a population exposed to psychosocial risk factors due to the conditions in the workplace; therefore, they are likely to suffer from one of the consequences of chronic stress to which a worker is exposed daily: burnout syndrome. The aim of this study was to analyze the relationship between psychosocial factors and the burnout syndrome in workers in the dough processing industry in the city of Tepic, Mexico. A cross-sectional and descriptive study was conducted in five companies from the dough processing industry. The total population consisted of 122 workers who were administered the scale of Psychosocial Factors Identification of the Mexican Social Security Institute and the Maslach Burnout Inventory scale, in order to gather information. The presence of adverse psychosocial factors was reported in 18.3%, and 79.8% with the syndrome. There were several variables that behaved as risk factors, specifically, the system of working with the emotional exhaustion. Copyright © 2013 Asociación Colombiana de Psiquiatría. Publicado por Elsevier España. All rights reserved.

Action Research for Developing Social Workers' Research Capacity

ERIC Educational Resources Information Center

Lunt, Neil; Fouche, Christa

2009-01-01

We reflect on the action research process implemented in assisting the development of a culture of practitioner inquiry amongst social workers in social services agencies, and highlight the overall outcomes of the intervention. The paper outlines the rationale and process for undertaking an action research process with social services…

Evaluation of a participatory ergonomics intervention in small commercial construction firms.

PubMed

Dale, Ann Marie; Jaegers, Lisa; Welch, Laura; Gardner, Bethany T; Buchholz, Bryan; Weaver, Nancy; Evanoff, Bradley A

2016-06-01

Work-related musculoskeletal disorders (WMSD) among construction workers remain high. Participatory ergonomics (PE) interventions that engage workers and employers in reducing work injury risks have shown mixed results. Eight-six workers from seven contractors participated in a PE program. A logic model guided the process evaluation and summative evaluation of short-term and intermediate impacts and long-term outcomes from surveys and field records. Process measures showed good delivery of training, high worker engagement, and low contractor participation. Workers' knowledge improved and workers reported changes to work practices and tools used; contractor provision of appropriate equipment was low (33%). No changes were seen in symptoms or reported physical effort. The PE program produced many worker-identified ergonomic solutions, but lacked needed support from contractors. Future interventions should engage higher levels of the construction organizational system to improve contractor involvement for reducing WMSD. Am. J. Ind. Med. 59:465-475, 2016. © 2016 Wiley Periodicals, Inc. © 2016 Wiley Periodicals, Inc.

Evaluation of a Participatory Ergonomics Intervention in Small Commercial Construction Firms

PubMed Central

Dale, Ann Marie; Jaegers, Lisa; Welch, Laura; Gardner, Bethany T.; Buchholz, Bryan; Weaver, Nancy; Evanoff, Bradley A.

2017-01-01

Background Work-related musculoskeletal disorders (WMSD) among construction workers remain high. Participatory ergonomics (PE) interventions that engage workers and employers in reducing work injury risks have shown mixed results. Methods Eight-six workers from seven contractors participated in a PE program. A logic model guided the process evaluation and summative evaluation of short term and intermediate impacts and long term outcomes from surveys and field records. Results Process measures showed good delivery of training, high worker engagement, and low contractor participation. Workers’ knowledge improved and workers reported changes to work practices and tools used; contractor provision of appropriate equipment was low (33%). No changes were seen in symptoms or reported physical effort. Conclusions The PE program produced many worker-identified ergonomic solutions, but lacked needed support from contractors. Future interventions should engage higher levels of the construction organizational system to improve contractor involvement for reducing WMSD. PMID:27094450

Poka-yoke process controller: designed for individuals with cognitive impairments.

PubMed

Erlandson, R F; Sant, D

1998-01-01

Poka-yoke is a Japanese term meaning "error proofing." Poka-yoke techniques were developed to achieve zero defects in manufacturing and assembly processes. The application of these techniques tends to reduce both the physical and cognitive demands of tasks and thereby make them more accessible. Poka-yoke interventions create a dialogue between the worker and the process, and this dialogue provides the feedback necessary for workers to prevent errors. For individuals with cognitive impairments, weighing and counting tasks can be difficult or impossible. Interventions that provide sufficient feedback to workers without disabilities tend to be too subtle for workers with cognitive impairments; hence, the feedback must be enhanced. The Poka-Yoke Controller (PYC) was designed to assist individuals with counting and weighing tasks. The PYC interfaces to an Ohaus CT6000 digital scale for weighing parts and for counting parts by weight. It also interfaces to sensors and switches for object counting tasks. The PYC interfaces to a variety of programmable voice output devices so that voice feedback or prompting can be provided at specific points in the weighing or counting process. The PYC can also be interfaced to conveyor systems, indexed turntables, and other material handling systems for coordinated counting and material handling operations. In all of our applications to date, we have observed improved worker performance, improved process quality, and greater worker independence. These observed benefits have also significantly reduced the need for staff intervention. The process controller is described and three applications are presented: a weighing task and two counting applications.

Organizational Downsizing and Depressive Symptoms in the European Recession: The Experience of Workers in France, Hungary, Sweden and the United Kingdom

PubMed Central

Brenner, M. Harvey; Andreeva, Elena; Theorell, Töres; Goldberg, Marcel; Westerlund, Hugo; Leineweber, Constanze; Hanson, Linda L. Magnusson.; Imbernon, Ellen; Bonnaud, Sophie

2014-01-01

Background Organizational downsizing has become highly common during the global recession of the late 2000s with severe repercussions on employment. We examine whether the severity of the downsizing process is associated with a greater likelihood of depressive symptoms among displaced workers, internally redeployed workers and lay-off survivors. Methods A cross-sectional survey involving telephone interviews was carried out in France, Hungary, Sweden and the United Kingdom. The study analyzes data from 758 workers affected by medium- and large-scale downsizing, using multiple logistic regression. Main Results Both unemployment and surviving layoffs were significantly associated with depressive symptoms, as compared to reemployment, but the perceived procedural justice of a socially responsible downsizing process considerably mitigated the odds of symptoms. Perception of high versus low justice was assessed along several downsizing dimensions. In the overall sample, chances to have depressive symptoms were significantly reduced if respondents perceived the process as transparent and understandable, fair and unbiased, well planned and democratic; if they trusted the employer’s veracity and agreed with the necessity for downsizing. The burden of symptoms was significantly greater if the process was perceived to be chaotic. We further tested whether perceived justice differently affects the likelihood of depressive symptoms among distinct groups of workers. Findings were that the odds of symptoms largely followed the same patterns of effects across all groups of workers. Redeploying and supporting surplus employees through the career change process–rather than forcing them to become unemployed–makes a substantial difference as to whether they will suffer from depressive symptoms. Conclusions While depressive symptoms affect both unemployed and survivors, a just and socially responsible downsizing process is important for the emotional health of workers. PMID:24841779

Enzyme-aided extraction of lycopene from high-pigment tomato cultivars by supercritical carbon dioxide.

PubMed

Lenucci, Marcello Salvatore; De Caroli, Monica; Marrese, Pier Paolo; Iurlaro, Andrea; Rescio, Leonardo; Böhm, Volker; Dalessandro, Giuseppe; Piro, Gabriella

2015-03-01

This work reports a novel enzyme-assisted process for lycopene concentration into a freeze-dried tomato matrix and describes the results of laboratory scale lycopene supercritical CO2 (SC-CO2) extractions carried out with untreated (control) and enzyme-digested matrices. The combined use of food-grade commercial plant cell-wall glycosidases (Celluclast/Novozyme plus Viscozyme) allows to increase lycopene (∼153%) and lipid (∼137%) concentration in the matrix and rises substrate load onto the extraction vessel (∼46%) compared to the control. The addition of an oleaginous co-matrix (hazelnut seeds) to the tomato matrix (1:1 by weight) increases CO2 diffusion through the highly dense enzyme-treated matrix bed and provides lipids that are co-extracted increasing lycopene yield. Under the same operative conditions (50 MPa, 86 °C, 4 mL min(-1) SC-CO2 flow) extraction yield from control and Celluclast/Novozyme+Viscozyme-treated tomato matrix/co-matrix mixtures was similar, exceeding 75% after 4.5h of extraction. However, the total extracted lycopene was ∼3 times higher in enzyme-treated matrix than control. Copyright © 2014 Elsevier Ltd. All rights reserved.

Union-Management Cooperation: A Process for Increasing Worker Autonomy and Improving Work Group Effectiveness.

ERIC Educational Resources Information Center

Kroll, Philip R.; And Others

Limited research has been conducted on the direct and indirect impact of union-management cooperation (UMC) programs on worker autonomy, work group effectiveness, and worker satisfaction. For this study, a research questionnaire designed to explore these relationships was mailed to four Ohio unions and was returned by 339 members. Workers at…

Ergonomic risk factors of work processes in the semiconductor industry in Peninsular Malaysia.

PubMed

Chee, Heng-Leng; Rampal, Krishna Gopal; Chandrasakaran, Abherhame

2004-07-01

A cross-sectional survey of semiconductor factories was conducted to identify the ergonomic risk factors in the work processes, the prevalence of body pain among workers, and the relationship between body pain and work processes. A total of 906 women semiconductor workers took part in the study. In wafer preparation and polishing, a combination of lifting weights and prolonged standing might have led to high pain prevalences in the low back (35.0% wafer preparation, 41.7% wafer polishing) and lower limbs (90.0% wafer preparation, 66.7% wafer polishing). Semiconductor front of line workers, who mostly walked around to operate machines in clean rooms, had the lowest prevalences of body pain. Semiconductor assembly middle of line workers, especially the molding workers, who did frequent lifting, had high pain prevalences in the neck/shoulders (54.8%) and upper back (43.5 %). In the semiconductor assembly end of line work section, chip inspection workers who were exposed to prolonged sitting without back support had high prevalences of neck/shoulder (62.2%) and upper back pain (50.0%), while chip testing workers who had to climb steps to load units had a high prevalence of lower limb pain (68.0%). Workers in the assembly of electronic components, carrying out repetitive tasks with hands and fingers, and standing in awkward postures had high pain prevalences in the neck/shoulders (61.5%), arms (38.5%), and hands/wrists (30.8%).

Metabolic profiling using direct infusion electrospray ionisation mass spectrometry for the characterisation of olive oils.

PubMed

Goodacre, Royston; Vaidyanathan, Seetharaman; Bianchi, Giorgio; Kell, Douglas B

2002-11-01

There is a continuing need for improved methods for assessing the adulteration of foodstuffs. We report some highly encouraging data, where we have developed direct infusion electrospray ionisation mass spectrometry (ESI-MS) together with chemometrics as a novel, rapid (1 min per sample) and powerful technique to elucidate key metabolite differences in vegetable and nut oils. Principal components analysis of these ESI-MS spectra show that the reproducibility of this approach is high and that olive oil can be discriminated from oils which are commonly used as adulterants. These adulterants include refined hazelnut oil, which is particularly challenging given its chemical similarity to olive oils.

Detection of Food Allergens by Taqman Real-Time PCR Methodology.

PubMed

García, Aina; Madrid, Raquel; García, Teresa; Martín, Rosario; González, Isabel

2017-01-01

Real-time PCR (polymerase chain reaction) has shown to be a very effective technology for the detection of food allergens. The protocol described herein consists on a real-time PCR assay targeting the plant ITS (Internal Transcribed Spacer) region, using species-specific primers and hydrolysis probes (Taqman) dual labeled with a reporter fluorophore at the 5' end (6-carboxyfluorescein, FAM) and a quencher fluorophore at the 3' end (Blackberry, BBQ). The species-specific real-time PCR systems (primers/probe) described in this work allowed the detection of different nuts (peanut, hazelnut, pistachio, almond, cashew, macadamia, walnut and pecan), common allergens present in commercial food products, with a detection limit of 0.1 mg/kg.

Rapid food decomposition by H2O2-H2SO4 for determination of total mercury by flow injection cold vapor atomic absorption spectrometry.

PubMed

Zenebon, Odair; Sakuma, Alice M; Dovidauskas, Sergio; Okada, Isaura A; de, MaioFrancaD; Lichtig, Jaim

2002-01-01

A mixture of 50% H2O2-H2SO4 (3 + 1, v/v) was used for decomposition of food in open vessels at 80 degrees C. The treatment allowed rapid total mercury determination by flow injection cold vapor atomic absorption spectrometry. Cabbage, potatoes, peanuts paste, hazelnuts paste, oats, tomatoes and their derivatives, oysters, shrimps, prawns, shellfish, marine algae, and many kinds of fish were analyzed by the proposed methodology with a limit of quantitation of 0.86 +/- 0.08 microg/L mercury in the final solution. Reference materials tested also gave excellent recovery.

Zinc toxicity among galvanization workers in the iron and steel industry.

PubMed

El Safty, Amal; El Mahgoub, Khalid; Helal, Sawsan; Abdel Maksoud, Neveen

2008-10-01

Galvanization is the process of coating steel or cast iron pieces with zinc, allowing complete protection against corrosion. The ultimate goal of this work was to assess the effect of occupational exposure to zinc in the galvanization process on different metals in the human body and to detect the association between zinc exposure and its effect on the respiratory system. This study was conducted in 111 subjects in one of the major companies in the iron and steel industry. There were 61 subjects (workers) who were involved in the galvanization process. Fifty adult men were chosen as a matched reference group from other departments of the company. All workers were interviewed using a special questionnaire on occupational history and chest diseases. Ventilatory functions and chest X rays were assessed in all examined workers. Also, complete blood counts were performed, and serum zinc, iron, copper, calcium, and magnesium levels were tested. This study illustrated the relation between zinc exposure in the galvanization process and high zinc levels among exposed workers, which was associated with a high prevalence rate of metal fume fever (MFF) and low blood copper and calcium levels. There was no statistically significant difference between the exposed and control groups with regards to the magnesium level. No long-term effect of metals exposure was detected on ventilatory functions or chest X rays among the exposed workers.

75 FR 16000 - Temporary Employment of Foreign Workers in the United States

Federal Register 2010, 2011, 2012, 2013, 2014

2010-03-31

.... 1976). Once a determination of no adverse effect has been made, the availability of U.S. workers can be... workers. (b) Subparts D and E. Subparts D and E of this part set forth the process by which health care... Foreign Workers in the United States CFR Correction In Title 20 of the Code of Federal Regulations, Part...

The Impact of Physical and Ergonomic Hazards on Poultry Abattoir Processing Workers: A Review

PubMed Central

Harmse, Johannes L.; Engelbrecht, Jacobus C.; Bekker, Johan L.

2016-01-01

The poultry abattoir industry continues to grow and contribute significantly to the gross domestic product in many countries. The industry expects working shifts of eight to eleven hours, during which workers are exposed to occupational hazards which include physical hazards ranging from noise, vibration, exposure to cold and ergonomic stress from manual, repetitive tasks that require force. A PubMed, Medline and Science Direct online database search, using specific keywords was conducted and the results confirmed that physical and ergonomic hazards impact on abattoir processing workers health, with harm not only to workers’ health but also as an economic burden due to the loss of their livelihoods and the need for treatment and compensation in the industry. This review endeavours to highlight the contribution poultry processing plays in the development of physical agents and ergonomic stress related occupational diseases in poultry abattoir processing workers. The impact includes noise-induced hearing loss, increased blood pressure, menstrual and work related upper limb disorders. These are summarised as a quick reference guide for poultry abattoir owners, abattoir workers, poultry associations, occupational hygienists and medical practitioners to assist in the safer management of occupational health in poultry abattoirs. PMID:26861374

[Noise hazard and hearing loss in workers in automotive component manufacturing industry in Guangzhou, China].

PubMed

Wang, Zhi; Liang, Jiabin; Rong, Xing; Zhou, Hao; Duan, Chuanwei; Du, Weijia; Liu, Yimin

2015-12-01

To investigate noise hazard and its influence on hearing loss in workers in the automotive component manufacturing industry. Noise level in the workplace of automotive component manufacturing enterprises was measured and hearing examination was performed for workers to analyze the features and exposure levels of noise in each process, as well as the influence on hearing loss in workers. In the manufacturing processes for different products in this industry, the manufacturing processes of automobile hub and suspension and steering systems had the highest degrees of noise hazard, with over-standard rates of 79.8% and 57.1%, respectively. In the different technical processes for automotive component manufacturing, punching and casting had the highest degrees of noise hazard, with over-standard rates of 65.0% and 50%, respectively. The workers engaged in the automotive air conditioning system had the highest rate of abnormal hearing ability (up to 3.1%). In the automotive component manufacturing industry, noise hazard exceeds the standard seriously. Although the rate of abnormal hearing is lower than the average value of the automobile manufacturing industry in China, this rate tends to increase gradually. Enough emphasis should be placed on the noise hazard in this industry.

Artificial stone dust-induced functional and inflammatory abnormalities in exposed workers monitored quantitatively by biometrics.

PubMed

Ophir, Noa; Shai, Amir Bar; Alkalay, Yifat; Israeli, Shani; Korenstein, Rafi; Kramer, Mordechai R; Fireman, Elizabeth

2016-01-01

The manufacture of kitchen and bath countertops in Israel is based mainly on artificial stone that contains 93% silica as natural quartz, and ∼3500 workers are involved in cutting and processing it. Artificial stone produces high concentrations of silica dust. Exposure to crystalline silica may cause silicosis, an irreversible lung disease. Our aim was to screen exposed workers by quantitative biometric monitoring of functional and inflammatory parameters. 68 exposed artificial stone workers were compared to 48 nonexposed individuals (controls). Exposed workers filled in questionnaires, and all participants underwent pulmonary function tests and induced sputum analyses. Silica was quantitated by a Niton XL3 X-ray fluorescence spectrometer. Pulmonary function test results of exposed workers were significantly lower and induced sputa showed significantly higher neutrophilic inflammation compared to controls; both processes were slowed down by the use of protective measures in the workplace. Particle size distribution in induced sputum samples of exposed workers was similar to that of artificial stone dust, which contained aluminium, zirconium and titanium in addition to silica. In conclusion, the quantitation of biometric parameters is useful for monitoring workers exposed to artificial stone in order to avoid deterioration over time.

The nature and impact of stigma towards injured workers.

PubMed

Kirsh, Bonnie; Slack, Tesha; King, Carole Anne

2012-06-01

Many injured workers experience high levels of stigma and discrimination, which compound their physical injuries and cause social and psychological harm. Despite a growing awareness of the prevalence of such stigma, there is little research that focuses on the sources, nature and consequences of stigma with respect to the lives of injured workers. The purpose of this paper is to advance knowledge related to stigma towards injured workers, specifically to explain the nature and processes of stigma and their influence on injured workers' lives. Using a constructivist grounded theory approach, data from focus groups (n = 28 participants) and individual interviews (n = 18) were analyzed to discern how stigma is exhibited and perpetuated, and its impact on the lives of injured workers. The study culminated in a preliminary theoretical framework that delineates the key components of the manifestations and impacts of stigma that includes stereotypes, unethical practices and maltreatment negatively affecting work, relationships and the mental health of injured workers. The development of sound conceptualizations in this area can advance our understanding of stigma processes and provide a framework for anti-stigma efforts. The findings have implications for public education, workplace interventions and services for injured workers.

A survey into process and worker's characteristics in the wood furniture industry in Songkhla Province, southern region of Thailand.

PubMed

Tuntiseranee, P; Chongsuvivatwong, V

1998-12-01

A cross-sectional survey of the wood furniture industry was conducted in southern Thailand in February 1993. The aim was to examine the manufacturing process, occupational hazards at the workplace, workers' demographic characteristics, period of employment, incidence rate of work related injury and some reproductive history of workers. Altogether 69 managers and 1,000 workers participated in the study. There are 2 main types of wood industry, rubberwood and hardwood. The rubberwood industry is semi-automated with advanced technology, has a female-dominated workforce of 200-300 workers per factory and overseas-market orientation. The hardwood industry is based in small-scale workplaces ranging from 20 to 60 workers, domestic-market orientation and has a male-dominated workforce. Most of the workers were young, single, of low education and were high turnover rate laborforce, with arduous work and long working hours per week. Solvent was the most frequent chemical exposure. The person-year incidence of chemical exposure in female workers was higher than in male workers for every group of chemicals. The incidence of accidents was twice as high as the official rate. The standardized fertility ratio of female wood workers was only 51.6% of that of the Thai female population. There was a high abortion rate among women who became pregnant inside the wood industry compared to that among pregnancies outside the wood factory. Wood industry workers were exposed to occupational hazards and accident-prone work conditions.

Qualitative study of peer workers within the 'Partners in Recovery' programme in regional Australia.

PubMed

Hurley, John; Cashin, Andrew; Mills, Jem; Hutchinson, Marie; Kozlowski, Desiree; Graham, Iain

2018-02-01

In Australia and internationally, Peer Workers are increasingly being incorporated into the mental health workforce. Underpinning this trend is the conviction that the inclusion of workers with lived experience in overcoming mental health challenges is central to transforming service delivery. Given there are few identified Australian studies into the experiences of Peer Workers, this paper reports findings from qualitative interviews conducted in a Partners In Recovery programme in one regional area in Australia. The interviews formed part of a larger mixed-method study evaluating Peer Worker roles in the programme. Thematic analysis of interview transcripts with Peer Workers and other staff employed in the programme (n = 22) was undertaken. Central to the five themes that emerged was the concept of lived experience expertise in overcoming mental health challenges. The themes were: (i) role variance, (ii) the challenges and opportunities for Peer Worker, (iii) the processes Peer Workers employed as they attempted to shape an identify and language, (iv) the inconsistencies and challenges of employing lived experience as a defining feature of the peer worker role, and (v) the nature of trust arising from lived experience relationships. From this study, it is evident that the Peer Worker role remains underdeveloped. The difficulties experienced by Peer Workers in establishing a homogenous identity and role is not unique. The process and lack of clarity around role identity revealed from the narratives, parallels the experiences of Mental Health Nursing. © 2016 Australian College of Mental Health Nurses Inc.

77 FR 41807 - New Gear Process, a Division of Magna Powertrain, Including On-Site Leased Workers From ABM...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-07-16

... Service Northeast, Inc. were employed on-site at the East Syracuse, New York location of New Process Gear... DEPARTMENT OF LABOR Employment and Training Administration [TA-W-74,940] New Gear Process, a Division of Magna Powertrain, Including On- Site Leased Workers From ABM Janitorial Service Northeast, Inc...

[Medical certification in workers involved in logging and wood-processing].

PubMed

Romankow, Jacek

2007-01-01

Activities involved in forestry and woodworking industry are associated with workers being exposed to numerous environmental and technology-related factors that are detrimental to their health. Such hazards include working in changeable climatic conditions, in the vicinity of heavy equipment, exposure to noise, chainsaw vibrations, enforced body positioning, hard physical work, the effect of exhaust gases, potential effects of biological factors, including epizootic diseases. Wood processing involves performing mechanical activities employing tools and machines, as well as processes utilizing various chemical substances. Forestry and woodworking industry workers may deal both with timber and with wood products. In medical certification, the following issues are of significance: work in the vicinity of rotational elements, noise, effects of chemicals or biological factors, including carcinogenic substances. For this reason, the procedures involved in medical examinations of such workers are complex.

Cancer mortality among US workers employed in semiconductor wafer fabrication.

PubMed

Boice, John D; Marano, Donald E; Munro, Heather M; Chadda, Bandana K; Signorello, Lisa B; Tarone, Robert E; Blot, William J; McLaughlin, Joseph K

2010-11-01

To evaluate potential cancer risks in the US semiconductor wafer fabrication industry. A cohort of 100,081 semiconductor workers employed between 1968 and 2002 was studied. Standardized mortality ratios and relative risks (RRs) were estimated. Standardized mortality ratios were similar and significantly low among fabrication and nonfabrication workers for all causes (0.54 and 0.54) and all cancers (0.74 and 0.72). Internal comparisons also showed similar overall cancer risks among fabrication workers (RR = 0.98), including process equipment operators and process equipment service technicians (OP/EST) employed in cleanrooms (RR = 0.97), compared with nonfabrication workers. Nonsignificantly elevated RRs were observed for a few cancer sites among OP/EST workers, but the numbers of deaths were small and there were no trends of increasing risk with duration of employment. Work in the US semiconductor industry, including semiconductor wafer fabrication in cleanrooms, was not associated with increased cancer mortality overall or mortality from any specific form of cancer. However, due to the young average age of this cohort and its associated relatively low numbers of deaths, regular mortality updates of this semiconductor worker cohort are warranted.

Exposure assessment among US workers employed in semiconductor wafer fabrication.

PubMed

Marano, Donald E; Boice, John D; Munro, Heather M; Chadda, Bandana K; Williams, Michael E; McCarthy, Colleen M; Kivel, Peggy F; Blot, William J; McLaughlin, Joseph K

2010-11-01

To classify 100,081 semiconductor workers employed during 1983-2002, and some as early as 1968, regarding potential for chemical exposures in cleanrooms during silicon wafer fabrication. This study involved site visits to 10 cities with fabrication facilities, evaluation of 12,300 personal air samples for >60 chemicals, and examination of >37,000 departments and >8600 job codes to develop exposure groupings. Each worker was classified into one of five exposure groups on the basis of job-department combinations: 1) fabrication process equipment operators or process equipment service technicians working in cleanrooms (n = 28,583); 2) professionals such as supervisors working in fabrication areas (n = 8642); 3) professionals and office workers in nonfabrication areas (n = 53,512); 4) back-end workers (n = 5256); or 5) other nonfabrication workers (n = 4088). More than 98% of the personal air samples were below current occupational exposure limits. Although specific chemical exposures at the level of the individual could not be quantified, semiconductor workers were classified into broad exposure groups for assessment of cancer mortality in an epidemiologic study.

Ethylene thiourea: thyroid function in two groups of exposed workers.

PubMed Central

Smith, D M

1984-01-01

Ethylene thiourea is manufactured at one factory in the United Kingdom and is mixed into masterbatch rubber at another. Clinical examinations and thyroid function tests were carried out over a period of three years on eight process workers and five mixers and on matched controls. The results show that the exposed mixers, but not exposed process workers, have significantly lower levels of total thyroxine (T4) than the controls. One mixer had an appreciably raised level of thyroid stimulation hormone (TSH). PMID:6743584

Ethylene thiourea: thyroid function in two groups of exposed workers.

PubMed

Smith, D M

1984-08-01

Ethylene thiourea is manufactured at one factory in the United Kingdom and is mixed into masterbatch rubber at another. Clinical examinations and thyroid function tests were carried out over a period of three years on eight process workers and five mixers and on matched controls. The results show that the exposed mixers, but not exposed process workers, have significantly lower levels of total thyroxine (T4) than the controls. One mixer had an appreciably raised level of thyroid stimulation hormone (TSH).

20 CFR 655.1 - Purpose and scope of subpart A.

Code of Federal Regulations, 2010 CFR

2010-04-01

... EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process and Enforcement of Attestations for Temporary Employment in Occupations Other Than Agriculture or Registered Nursing in the United... governing the labor certification process for the temporary employment of nonimmigrant foreign workers in...

20 CFR 655.3 - Special procedures.

Code of Federal Regulations, 2010 CFR

2010-04-01

... FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process and Enforcement of Attestations for Temporary Employment in Occupations Other Than Agriculture or Registered Nursing in the United States (H-2B Workers) § 655.3 Special procedures. (a) Systematic process. This subpart provides procedures for the...

Social Workers’ Orientation Toward the Evidence-Based Practice Process

PubMed Central

Kolmer, Deirdre M. Beneken genaamd; Schalk, René

2014-01-01

Objectives: This study assesses social workers’ orientation toward the evidence-based practice (EBP) process and explores which specific variables (e.g. age) are associated. Methods: Data were collected from 341 Dutch social workers through an online survey which included a Dutch translation of the EBP Process Assessment Scale (EBPPAS), along with 13 background/demographic questions. Results: The overall level of orientation toward the EBP process is relatively low. Although respondents are slightly familiar with it and have slightly positive attitudes about it, their intentions to engage in it and their actual engagement are relatively low. Respondents who followed a course on the EBP process as a student are more oriented toward it than those who did not. Social workers under 29 are more familiar with the EBP process than those over 29. Conclusions: We recommend educators to take a more active role in teaching the EBP process to students and social workers. PMID:27630517

Beryllium sensitization and disease among long-term and short-term workers in a beryllium ceramics plant.

PubMed

Henneberger, P K; Cumro, D; Deubner, D D; Kent, M S; McCawley, M; Kreiss, K

2001-04-01

Workers at a beryllium ceramics plant were tested for beryllium sensitization and disease in 1998 to determine whether the plant-wide prevalence of sensitization and disease had declined since the last screening in 1992; an elevated prevalence was associated with specific processes or with high exposures; exposure-response relationships differed for long-term workers hired before the last plant-wide screening and short-term workers hired since then. Current workers were asked to complete a questionnaire and to provide blood for the beryllium lymphocyte proliferation test (BeLPT). Those with an abnormal BeLPT were classified as sensitized, and were offered clinical evaluation for beryllium disease. Task- and time-specific measurements of airborne beryllium were combined with individual work histories to compute mean, cumulative, and peak beryllium exposures for each worker. The 151 participants represented 90% of 167 eligible workers. Fifteen (9.9% of 151) had an abnormal BeLPT and were split between long-term workers (8/77 = 10.4%) and short-term workers (7/74 = 9.5%). Beryllium disease was detected in 9.1% (7/77) of long-term workers but in only 1.4% (1/74) of short-term workers (P = 0.06), for an overall prevalence of 5.3% (8/151). These prevalences were similar to those observed in the earlier survey. The prevalence of sensitization was elevated in 1992 among machinists, and was still elevated in 1998 among long-term workers (7/40 = 18%) but not among short-term workers (2/36 = 6%) with machining experience. The prevalence of sensitization was also elevated in both groups of workers for the processes of lapping, forming, firing, and packaging. The data suggested a positive relationship between peak beryllium exposure and sensitization for long-term workers and between mean, cumulative, and peak exposure and sensitization for short-term workers, although these findings were not statistically significant. Long-term workers with either a high peak exposure or work experience in forming were more likely to have an abnormal BeLPT (8/51 = 16%) than the other long-term workers (0/26, P = 0.05). All seven sensitized short-term workers either had high mean beryllium exposure or had worked longest in forming or machining (7/55 = 13% versus 0/19, P = 0.18). A plant-wide decline in beryllium exposures between the 1992 and 1998 surveys was not matched by a decline in the prevalence of sensitization and disease. Similar to findings from other studies, beryllium sensitization/disease was associated with specific processes and elevated exposures. The contrast in disease prevalence between long-term and short-term workers suggests that beryllium sensitization can occur after a short period of exposure, but beryllium disease usually requires a longer latency and/or period of exposure. The findings from this study motivated interventions to more aggressively protect and test workers, and new research into skin exposure as a route of sensitization and the contribution of individual susceptibility.

MIGRATORY LABOR IN OHIO.

ERIC Educational Resources Information Center

BINGHAM, SALLY

OHIO HAS BECOME A HIGHLY INDUSTRIALIZED STATE WITH INSUFFICIENT QUALIFIED LOCAL FARM WORKERS TO MEET HARVEST DEMANDS. MIGRANT WORKERS HAVE FILLED THAT NEED, DOING MOSTLY "STOOP WORK" AND WORKING IN FOOD PROCESSING PLANTS. THE ANNUAL WORKER PLAN HAS PROVIDED FOR MORE EFFICIENT SCHEDULING OF MIGRANTS. CONSTRUCTIVE PROGRAMS HAVE BEEN…

Temporal assessment of molting in workers of Formosan subterranean termites (Isoptera: Rhinotermitidae)

USDA-ARS?s Scientific Manuscript database

Molt frequency of workers in laboratory-reared juvenile colonies and foraging population from field colonies of Coptotermes formosanus Shiraki was determined using planar arenas in laboratory. Given that, chitin synthesis inhibitor (CSI)-incorporated baits disrupt the molting process of workers that...

30 CFR 48.2 - Definitions.

Code of Federal Regulations, 2010 CFR

2010-07-01

... working in an underground mine and who is engaged in the extraction and production process, or engaged in... workers, such as drillers and blasters, who are engaged in the extraction and production process or... working in an underground mine, including any delivery, office, or scientific worker or occasional, short...

75 FR 69469 - Health Net, Inc., Claims Processing Group and Systems Configuration Organization, Including On...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-11-12

... Organization and provided application support and information technology services supporting the subject firm..., including on-site leased workers from Kelly Services and Cognizant Technology Solutions, Shelton... Processing Group and Systems Configuration Organization, Including On-Site Leased Workers From Kelly Services...

20 CFR 655.5 - Purpose and scope of subpart A.

Code of Federal Regulations, 2010 CFR

2010-04-01

... EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process and Enforcement of Attestations for Temporary Employment in Occupations Other Than Agriculture or Registered Nursing in the United... certification process for the temporary employment of nonimmigrant foreign workers in the U.S. in occupations...

20 CFR 655.155 - Referrals of U.S. workers.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 20 Employees' Benefits 3 2010-04-01 2010-04-01 false Referrals of U.S. workers. 655.155 Section 655.155 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural...

20 CFR 655.157 - Withholding of U.S. workers prohibited.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 20 Employees' Benefits 3 2011-04-01 2011-04-01 false Withholding of U.S. workers prohibited. 655.157 Section 655.157 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary...

20 CFR 655.155 - Referrals of U.S. workers.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 20 Employees' Benefits 3 2011-04-01 2011-04-01 false Referrals of U.S. workers. 655.155 Section 655.155 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural...

20 CFR 655.145 - Amendments to applications for temporary employment certification.

Code of Federal Regulations, 2010 CFR

2010-04-01

..., DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process... percent for employers requesting less than 10 workers) without requiring an additional recruitment period for U.S. workers. Requests for increases above the percent prescribed, without additional recruitment...

10 CFR 851.40 - Investigations and inspections.

Code of Federal Regulations, 2010 CFR

2010-01-01

... information. The worker or worker representative has the right to remain anonymous upon filing a request for... Energy DEPARTMENT OF ENERGY WORKER SAFETY AND HEALTH PROGRAM Enforcement Process § 851.40 Investigations... inspection. DOE Enforcement Officers have the right to enter work areas without delay to the extent...

The effect of nano-silver packaging in increasing the shelf life of nuts: An in vitro model

PubMed Central

Tavakoli, Hamidreza; Rastegar, Hossein; Taherian, Mahdi; Samadi, Mohammad; Rostami, Hossein

2017-01-01

Nano packaging is currently one of the most important topics in food packaging technologies. The aim of the application of this technology in food packaging is increasing shelf life of foods by preventing internal and external corruption and microbial contaminations. Use of silver nanoparticles in food packaging has recently attracted much attention. The aim of this study was to investigate the effect of nano-silver packaging in increasing the shelf life packages of nuts in an In vitro model. In this experimental study, the effects of different nano-silver concentrations (0, 1, 2 and 3 percent) on biological and chemical properties of 432 samples of nuts including walnuts, hazelnuts, almonds and pistachios were evaluated during 0, 3, 6, 9, 12, 15, 18, 21 and 24 months. In most samples, different concentrations of nano-silver (1, 2 and 3 %) significantly reduced total microbial count, mold and coliform counts compared to control group and the 3% nano-silver concentration was more effective than other concentrations (P<0.05). Moreover, using this packaging yielded an antioxidant effect especially when 2% and 3% nano-silver concentrations were used. Nano-silver also prevented growth of mold and so prevented aflatoxin production in all treatment groups. Results of chemical and biological tests showed that the silver nanoparticles had a significant effect on increasing the shelf life of nuts. The highest shelf life belonged to pistachios, almonds, hazelnuts and walnuts with 20, 19, 18 and 18 months, respectively. The shelf life was associated with amount of silver nanoparticles. The highest antimicrobial activity was observed when 3% nano-silver concentration was used in pistachios. The shelf life of control groups in similar storage conditions were calculated for an average of 13 months. In conclusion, the results of this study demonstrate the efficacy of nano-silver packing in increasing shelf life of nuts. Hence, use of nano-silver packaging in food industry, especially in food packaging is recommended. PMID:29564232

Assessment of Genetic Diversity and Population Genetic Structure of Corylus mandshurica in China Using SSR Markers.

PubMed

Zong, Jian-Wei; Zhao, Tian-Tian; Ma, Qing-Hua; Liang, Li-Song; Wang, Gui-Xi

2015-01-01

Corylus mandshurica, also known as pilose hazelnut, is an economically and ecologically important species in China. In this study, ten polymorphic simple sequence repeat (SSR) markers were applied to evaluate the genetic diversity and population structure of 348 C. mandshurica individuals among 12 populations in China. The SSR markers expressed a relatively high level of genetic diversity (Na = 15.3, Ne = 5.6604, I = 1.8853, Ho = 0.6668, and He = 0.7777). According to the coefficient of genetic differentiation (Fst = 0.1215), genetic variation within the populations (87.85%) were remarkably higher than among populations (12.15%). The average gene flow (Nm = 1.8080) significantly impacts the genetic structure of C. mandshurica populations. The relatively high gene flow (Nm = 1.8080) among wild C. mandshurica may be caused by wind-pollinated flowers, highly nutritious seeds and self-incompatible mating system. The UPGMA (unweighted pair group method of arithmetic averages) dendrogram was divided into two main clusters. Moreover, the results of STRUCTURE analysis suggested that C. mandshurica populations fell into two main clusters. Comparison of the UPGMA dendrogram and the Bayesian STRUCTURE analysis showed general agreement between the population subdivisions and the genetic relationships among populations of C. mandshurica. Group I accessions were located in Northeast China, while Group II accessions were in North China. It is worth noting that a number of genetically similar populations were located in the same geographic region. The results further showed that there was obvious genetic differentiation among populations from Northeast China to North China. Results from the Mantel test showed a weak but still significant positive correlation between Nei's genetic distance and geographic distance (km) among populations (r = 0.419, P = 0.005), suggesting that genetic differentiation in the 12 C. mandshurica populations might be related to geographic distance. These data provide comprehensive information for the development of conservation strategies of these valuable hazelnut resources.

The effect of nano-silver packaging in increasing the shelf life of nuts: An in vitro model.

PubMed

Tavakoli, Hamidreza; Rastegar, Hossein; Taherian, Mahdi; Samadi, Mohammad; Rostami, Hossein

2017-10-20

Nano packaging is currently one of the most important topics in food packaging technologies. The aim of the application of this technology in food packaging is increasing shelf life of foods by preventing internal and external corruption and microbial contaminations. Use of silver nanoparticles in food packaging has recently attracted much attention. The aim of this study was to investigate the effect of nano-silver packaging in increasing the shelf life packages of nuts in an In vitro model. In this experimental study, the effects of different nano-silver concentrations (0, 1, 2 and 3 percent) on biological and chemical properties of 432 samples of nuts including walnuts, hazelnuts, almonds and pistachios were evaluated during 0, 3, 6, 9, 12, 15, 18, 21 and 24 months. In most samples, different concentrations of nano-silver (1, 2 and 3 %) significantly reduced total microbial count, mold and coliform counts compared to control group and the 3% nano-silver concentration was more effective than other concentrations (P<0.05). Moreover, using this packaging yielded an antioxidant effect especially when 2% and 3% nano-silver concentrations were used. Nano-silver also prevented growth of mold and so prevented aflatoxin production in all treatment groups. Results of chemical and biological tests showed that the silver nanoparticles had a significant effect on increasing the shelf life of nuts. The highest shelf life belonged to pistachios, almonds, hazelnuts and walnuts with 20, 19, 18 and 18 months, respectively. The shelf life was associated with amount of silver nanoparticles. The highest antimicrobial activity was observed when 3% nano-silver concentration was used in pistachios. The shelf life of control groups in similar storage conditions were calculated for an average of 13 months. In conclusion, the results of this study demonstrate the efficacy of nano-silver packing in increasing shelf life of nuts. Hence, use of nano-silver packaging in food industry, especially in food packaging is recommended.

Process Evaluation of a Workers' Health Surveillance Program for Meat Processing Workers.

PubMed

van Holland, Berry J; Brouwer, Sandra; de Boer, Michiel R; Reneman, Michiel F; Soer, Remko

2017-09-01

Objective To evaluate the implementation process of a workers' health surveillance (WHS) program in a Dutch meat processing company. Methods Workers from five plants were eligible to participate in the WHS program. The program consisted of four evaluative components and an intervention component. Qualitative and quantitative methods were used to evaluate seven process aspects. Data were gathered by interviews with stakeholders, participant questionnaires, and from registries of the company and occupational health service. Results Two recruitment strategies were used: open invitation or automatic participation. Of the 986 eligible workers, 305 participated in the program. Average reach was 53 %. Two out of five program components could not be assessed on dose delivered, dose received and fidelity. If components were assessable, 85-100 % of the components was delivered, 66-100 % of the components was received by participants, and fidelity was 100 %. Participants were satisfied with the WHS program (mean score 7.6). Contextual factors that facilitated implementation were among others societal developments and management support. Factors that formed barriers were program novelty and delayed follow-up. Conclusion The WHS program was well received by participants. Not all participants were offered the same number of program components, and not all components were performed according to protocol. Deviation from protocol is an indication of program failure and may affect program effectiveness.

Process evaluation of a multifaceted health program aiming to improve physical activity levels and dietary patterns among construction workers.

PubMed

Viester, Laura; Verhagen, Evert A L M; Bongers, Paulien M; van der Beek, Allard J

2014-11-01

To evaluate the process of a health promotion program, aiming to improve physical activity levels and diet among construction workers. The process evaluation was conducted after the RE-AIM framework for the evaluation of the public health impact of health promotion interventions. Effectiveness was assessed on motivational stage-of-change, self-efficacy, and decisional balance for physical activity and dietary behavior. The external validity of the trial was satisfactory with representative reach of workers and adoption of workplace units in the participating construction company. The extent to which the program was implemented as intended was modest. The intervention was effective on participants' progress through stages of behavior change. Based on the RE-AIM dimensions, it is concluded that for construction workers, the program is feasible and potentially effective, but adjustments are required before widespread implementation.

Employer differences in upper-body musculoskeletal disorders and pain among immigrant Latino poultry processing workers.

PubMed

Rosenbaum, Daryl A; Mora, Dana C; Arcury, Thomas A; Chen, Haiying; Quandt, Sara A

2014-01-01

Between-employer differences in working conditions may lead to variable injury rates. The objective of this paper is to assess the difference in the prevalence of epicondylitis, rotator cuff syndrome, and low back pain among immigrant Latino poultry workers at plants of three different employers. Data were collected from a cross-sectional study among 286 poultry processing workers. Community-based sampling was used to recruit participants in western North Carolina. Rotator cuff syndrome (26.7%) and low back pain (27.9%) were more prevalent among employees of one specific employer. Multivariate analysis showed significant associations of low back pain and rotator cuff syndrome with age, task performed in the processing line, and employer. Employer is a major predictor of musculoskeletal disorders and pain. Line speed and work pace may account for these differences and provide an opportunity for regulation and intervention to protect the health of workers.

Design development scopes towards occupational wellness of women workers: specific reference to local agro based food processing industries in NE India.

PubMed

Bhattacharyya, Nandita; Chakrabarti, Debkumar

2012-01-01

Women workers constitute one of the most vulnerable segments of the country's labour force. They often face different workplace health challenges than men do. They are engaged in a range of work that extends from heavy, monotonous, repetitive jobs, which are in many times experienced with low-paid and involves in long hours of work. Women's workplace health problems are frequently compounded by getting more of the same at home--the "double jeopardy" of domestic work. Specific issues to improve the workers motivation leading to enhancement of productivity and improving occupational health and safety were addressed. Context specific application of ergonomics principles were studied in the process of designing of work related equipment of local fruit processing units, as well as in tea industry, covering 180 subjects selected purposively. Ergonomic risk factors prevailed among the workers associates productivity and relevant health issues were quantified using QEC, RULA. NMQ was used to gather data on prevalence of CTDs among the workers. Pineapple peeling, tea leaves plucking were found highly labour intensive, done manually. Postures scores found were very high. WRMSDs were prevalent among the workers. Scope for ergonomic design intervention was observed to improve productivity and occupational health.

RabbitQR: fast and flexible big data processing at LSST data rates using existing, shared-use hardware

NASA Astrophysics Data System (ADS)

Kotulla, Ralf; Gopu, Arvind; Hayashi, Soichi

2016-08-01

Processing astronomical data to science readiness was and remains a challenge, in particular in the case of multi detector instruments such as wide-field imagers. One such instrument, the WIYN One Degree Imager, is available to the astronomical community at large, and, in order to be scientifically useful to its varied user community on a short timescale, provides its users fully calibrated data in addition to the underlying raw data. However, time-efficient re-processing of the often large datasets with improved calibration data and/or software requires more than just a large number of CPU-cores and disk space. This is particularly relevant if all computing resources are general purpose and shared with a large number of users in a typical university setup. Our approach to address this challenge is a flexible framework, combining the best of both high performance (large number of nodes, internal communication) and high throughput (flexible/variable number of nodes, no dedicated hardware) computing. Based on the Advanced Message Queuing Protocol, we a developed a Server-Manager- Worker framework. In addition to the server directing the work flow and the worker executing the actual work, the manager maintains a list of available worker, adds and/or removes individual workers from the worker pool, and re-assigns worker to different tasks. This provides the flexibility of optimizing the worker pool to the current task and workload, improves load balancing, and makes the most efficient use of the available resources. We present performance benchmarks and scaling tests, showing that, today and using existing, commodity shared- use hardware we can process data with data throughputs (including data reduction and calibration) approaching that expected in the early 2020s for future observatories such as the Large Synoptic Survey Telescope.

Evaluation of respiratory system in textile-dyeing workers.

PubMed

Salmani Nodoushan, Mojahede; Mehrparvar, Amir Houshang; Loukzadeh, Ziba; Rahimian, Masoud; Ghove Nodoushan, Mohamad Ali; Jafari Nodoushan, Reza

2014-01-01

Despite the presence of many textile and dyeing plants in Iran, we couldn't find similar studies in this country. Forthermore, considering progress in the dyeing process and engineering controls, assessment of respiratory system is important for these workers. The present study was performed to evaluate the respiratory system in dyeing workers. In a cross-sectional study, 101 dyeing workers (all dyeing workers in yazd) and 90 workers without respiratory exposures (control group), were evaluated. A questionnaire was filled for each participant included Venables questionnaire and some other questions about age, work experience, personal or familial history of asthma or atopy, acute and chronic respiratory symptoms; Then spirometry was performed before and after the shift work Results: The frequency of acute and chronic respiratory symptoms was significantly higher among dyeing workers than controls. According to the Venables questionnaire, 11.9% of the dyeing workers suffered from asthma. Means of FVC and FEV1 of pre-shift spirometry were lower than control (p< 0.001). Across-shift spirometry showed significant reduction of FVC (p< 0.001), FEV1 (p< 0.001), FEF25-75% (p= 0.05) and FEF25% (p= 0.007) in dyeing workers compared to the control group. Evaluation of dyeing workers' respiratory system in this study showed that despite development in dyeing processes and engineering controls, workers in this job show more prevalent acute and chronic symptoms, and across-shift changes in spirometric parameters were significantly higher in this work group than the control group. Therefore it is necessary to pay attention to the control of respiratory exposures in this job.

A comparative study of job satisfaction among nurses, psychologists/psychotherapists and social workers working in Quebec mental health teams.

PubMed

Fleury, Marie-Josée; Grenier, Guy; Bamvita, Jean-Marie

2017-01-01

This study identified multiple socio-professional and team effectiveness variables, based on the Input-Mediator-Output-Input (IMOI) model, and tested their associations with job satisfaction for three categories of mental health professionals (nurses, psychologists/psychotherapists, and social workers). Job satisfaction was assessed with the Job Satisfaction Survey. Independent variables were classified into four categories: 1) Socio-professional Characteristics; 2) Team Attributes; 3) Team Processes; and 4) Team Emergent States. Variables were entered successively, by category, into a hierarchical regression model. Team Processes contributed the greatest number of variables to job satisfaction among all professional groups, including team support which was the only significant variable common to all three types of professionals. Greater involvement in the decision-making process, and lower levels of team conflict (Team Processes) were associated with job satisfaction among nurses and social workers. Lower seniority on team (Socio-professional Characteristics), and team collaboration (Team Processes) were associated with job satisfaction among nurses, as was belief in the advantages of interdisciplinary collaboration (Team Emergent States) among psychologists. Knowledge sharing (Team Processes) and affective commitment to the team (Team Emergent States) were associated with job satisfaction among social workers. Results suggest the need for mental health decision-makers and team managers to offer adequate support to mental health professionals, to involve nurses and social workers in the decision-making process, and implement procedures and mechanisms favourable to the prevention or resolution of team conflict with a view toward increasing job satisfaction among mental health professionals.

Social worker assessment of bad news delivery by emergency medicine residents: a novel direct-observation milestone assessment.

PubMed

Min, Alice Ann; Spear-Ellinwood, Karen; Berman, Melissa; Nisson, Peyton; Rhodes, Suzanne Michelle

2016-09-01

The skill of delivering bad news is difficult to teach and evaluate. Residents may practice in simulated settings; however, this may not translate to confidence or competence during real experiences. We investigated the acceptability and feasibility of social workers as evaluators of residents' delivery of bad news during patient encounters, and assessed the attitudes of both groups regarding this process. From August 2013 to June 2014, emergency medicine residents completed self-assessments after delivering bad news. Social workers completed evaluations after observing these conversations. The Assessment tools were designed by modifying the global Breaking Bad News Assessment Scale. Residents and social workers completed post-study surveys. 37 evaluations were received, 20 completed by social workers and 17 resident self-evaluations. Social workers reported discussing plans with residents prior to conversations 90 % of the time (18/20, 95 % CI 64.5, 97.8). Social workers who had previously observed the resident delivering bad news reported that the resident was more skilled on subsequent encounters 90 % of the time (95 % CI 42.2, 99). Both social workers and residents felt that prior training or experience was important. First-year residents valued advice from social workers less than advice from attending physicians, whereas more experienced residents perceived advice from social workers to be equivalent with that of attending physicians (40 versus 2.9 %, p = 0.002). Social worker assessment of residents' abilities to deliver bad news is feasible and acceptable to both groups. This formalized self-assessment and evaluation process highlights the importance of social workers' involvement in delivery of bad news, and the teaching of this skill. This method may also be used as direct-observation for resident milestone assessment.

A theoretical model of co-worker responses to work reintegration processes.

PubMed

Dunstan, Debra A; Maceachen, Ellen

2014-06-01

Emerging research has shown that co-workers have a significant influence on the return-to-work outcomes of partially fit ill or injured employees. By drawing on theoretical findings from the human resource and wider behavioral sciences literatures, our goal was to formulate a theoretical model of the influences on and outcomes of co-worker responses within work reintegration. From a search of 15 data bases covering the social sciences, business and medicine, we identified articles containing models of the factors that influence co-workers' responses to disability accommodations; and, the nature and impact of co-workers' behaviors on employee outcomes. To meet our goal, we combined identified models to form a comprehensive model of the relevant factors and relationships. Internal consistency and externally validity were assessed. The combined model illustrates four key findings: (1) co-workers' behaviors towards an accommodated employee are influenced by attributes of that employee, the illness or injury, the co-worker themselves, and the work environment; (2) the influences-behaviour relationship is mediated by perceptions of the fairness of the accommodation; (3) co-workers' behaviors affect all work reintegration outcomes; and (4) co-workers' behaviours can vary from support to antagonism and are moderated by type of support required, the social intensity of the job, and the level of antagonism. Theoretical models from the wider literature are useful for understanding the impact of co-workers on the work reintegration process. To achieve optimal outcomes, co-workers need to perceive the arrangements as fair. Perceptions of fairness might be supported by co-workers' collaborative engagement in the planning, monitoring and review of work reintegration activities.

20 CFR 655.31 - Debarment.

Code of Federal Regulations, 2010 CFR

2010-04-01

... WORKERS IN THE UNITED STATES Labor Certification Process and Enforcement of Attestations for Temporary Employment in Occupations Other Than Agriculture or Registered Nursing in the United States (H-2B Workers... a significant failure to comply with the RFI or audit process pursuant to §§ 655.23 or 655.24; (v...

20 CFR 655.75 - Decision and order of administrative law judge.

Code of Federal Regulations, 2010 CFR

2010-04-01

... LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process and... Nursing in the United States (H-2B Workers) § 655.75 Decision and order of administrative law judge. (a... determination resulting from that process. Under no circumstances shall the administrative law judge determine...

75 FR 43557 - TA-W-73,682, Hartford Financial Services Group, Incorporated, Medical Bill Processing and...

Federal Register 2010, 2011, 2012, 2013, 2014

2010-07-26

... Leased Workers From Beeline: Aurora, IL; TA-W-73,682A, Hartford Financial Services Group, Incorporated..., applicable to workers of Hartford Financial Services Group, Incorporated, Medical Bill Processing and Production Center Support, Aurora, Illinois and Hartford Financial Services Group, Incorporated, Medical Bill...

20 CFR 655.143 - Notice of acceptance.

Code of Federal Regulations, 2010 CFR

2010-04-01

... FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in... be potential sources of U.S. workers; (2) Direct the employer to engage in positive recruitment of U.S. workers in a manner consistent with § 655.154 and to submit a report of its positive recruitment...

Desired Mobility or Satisfied Immobility? Migratory Aspirations among Knowledge Workers

ERIC Educational Resources Information Center

Ferro, Anna

2006-01-01

Among the aspects discussed within the globalisation process, the international mobility of professional workers assumes considerable relevance. This paper focuses on migratory aspirations among knowledge workers within the context of economic globalisation and market restructuring in Romania. Due to a lack of literature dealing with these issues,…

20 CFR 655.1310 - Validity and scope of temporary labor certifications.

Code of Federal Regulations, 2010 CFR

2010-04-01

... OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) § 655.1310 Validity and scope of... workers, the area of intended employment, the specific occupation and duties, and the employer(s...

Manpower Development for Workers in Tertiary Institutions: Distance Learning Approach

ERIC Educational Resources Information Center

Hassan, Moshood Ayinde

2011-01-01

The purpose of this study is to determine the extent to which workers patronize distance learning approach to further their education. Other purposes include: determine problems facing workers in the process of improving their knowledge and skills through distance learning approach; establish the level of attainment of manpower development…

MIGRATORY LABOR IN WISCONSIN AGRICULTURE.

ERIC Educational Resources Information Center

ROSE, A. THOMAS

A SERIES OF CHARTS RELATED TO MIGRATORY WORKERS IN WISCONSIN IS PRESENTED. THE TABLES DEPICT THE SEASONAL AGRICULTURAL AND FOOD PROCESSING EMPLOYMENT TIMETABLE OF MAJOR CROP ACTIVITIES, UTILIZATION OF MIGRANT WORKERS IN SUCH ACTIVITIES, MIGRANT WORKERS REGISTERED BY DISTRICT OFFICES, STATE OF RESIDENCE, STATE OF LAST EMPLOYMENT, AND STATE OF NEXT…

Health Monitoring and Management for Manufacturing Workers in Adverse Working Conditions.

PubMed

Xu, Xiaoya; Zhong, Miao; Wan, Jiafu; Yi, Minglun; Gao, Tiancheng

2016-10-01

In adverse working conditions, environmental parameters such as metallic dust, noise, and environmental temperature, directly affect the health condition of manufacturing workers. It is therefore important to implement health monitoring and management based on important physiological parameters (e.g., heart rate, blood pressure, and body temperature). In recent years, new technologies, such as body area networks, cloud computing, and smart clothing, have allowed the improvement of the quality of services. In this article, we first give five-layer architecture for health monitoring and management of manufacturing workers. Then, we analyze the system implementation process, including environmental data processing, physical condition monitoring and system services and management, and present the corresponding algorithms. Finally, we carry out an evaluation and analysis from the perspective of insurance and compensation for manufacturing workers in adverse working conditions. The proposed scheme will contribute to the improvement of workplace conditions, realize health monitoring and management, and protect the interests of manufacturing workers.

Long-term health experience of jet engine manufacturing workers: VIII. glioblastoma incidence in relation to workplace experiences with parts and processes.

PubMed

Marsh, Gary M; Youk, Ada O; Buchanich, Jeanine M; Downing, Sarah; Kennedy, Kathleen J; Esmen, Nurtan A; Hancock, Roger P; Lacey, Steven E; Pierce, Jennifer S; Fleissner, Mary Lou

2013-06-01

To determine whether glioblastoma (GB) incidence rates among jet engine manufacturing workers were associated with workplace experiences with specific parts produced and processes performed. Subjects were 210,784 workers employed between 1952 and 2001. We conducted nested case-control and cohort incidence studies with focus on 277 GB cases. We estimated time experienced with 16 part families, 4 process categories, and 32 concurrent part-process combinations with 20 or more GB cases. In both the cohort and case-control studies, none of the part families, process categories, or both considered was associated with increased GB risk. If not due to chance alone, the not statistically significantly elevated GB rates in the North Haven plant may reflect external occupational factors or nonoccupational factors unmeasured in the current evaluation.

[Integrated use of data bases to map manufacturing processes involving exposure to carcinogens in the Piedmont Region: the example of formaldehyde].

PubMed

Falcone, U; Gilardi, Luisella; Pasqualini, O; Santoro, S; Coffano, Elena

2010-01-01

Exposure to carcinogens is still widespread in working environments. For the purpose of defining priority of interventions, it is necessary to estimate the number and the geographic distribution of workers potentially exposed to carcinogens. It could therefore be useful to test the use of tools and information sources already available in order to map the distribution of exposure to carcinogens. Formaldehyde is suggested as an example of an occupational carcinogen in this study. The study aimed at verifying and investigating the potential of 3 integrated databases: MATline, CAREX, and company databases resulting from occupational accident and disease claims (INAIL), in order to estimate the number of workers exposed to formaldehyde and map their distribution in the Piedmont Region. The list of manufacturing processes involving exposure to formaldehyde was sorted by MIATline; for each process the number of firms and employees were obtained from the INAIL archives. By applying the prevalence of exposed workers obtained with CAREX, an estimate of exposure for each process was determined. A map of the distribution of employees associated with a specific process was produced using ArcView GIS software. It was estimated that more than 13,000 employees are exposed to formaldehyde in the Piedmont Region. The manufacture of furniture was identified as the process with the highest number of workers exposed to formaldehyde (3,130),followed by metal workers (2,301 exposed) and synthetic resin processing (1,391 exposed). The results obtained from the integrated use of databases provide a basis for defining priority of preventive interventions required in the industrial processes involving exposure to carcinogens in the Piedmont Region.

A systematic review and metasynthesis of barriers and facilitators to negotiating consistent condom use among sex workers in Asia.

PubMed

Tan, Si Ying; Melendez-Torres, G J

2016-01-01

Female sex work accounts for about 15% of the global HIV burden in women. Asia is the region with the second highest attributable fraction of the HIV epidemic after sub-Saharan Africa. This review synthesises studies that depict the barriers and facilitators encountered by sex workers in Asia when negotiating consistent condom use. A total of 18 studies published between January 1989 and May 2015 were included in the review. Data were extracted, critically appraised and analysed using a thematic analysis approach. Individual-level factors related to sex workers' knowledge, perception and power, as well as interpersonal-level factors that encompassed dynamics with clients and peer-related factors, presented as both barriers and facilitators to sex workers' condom negotiation process. In addition, the structural environment of sex work, access to resources, poverty, stigma, the legal environment and the role of media were also identified as factors in influencing the condom negotiation process of sex workers. A multisectoral interventional approach that addresses the multilevel barriers encountered by sex workers in condom negotiation is needed. Awareness of safe-sex practice should be collectively enhanced among sex workers, clients and brothel managers.

The guest-worker in Western Europe--an obituary.

PubMed

Castles, S

1986-01-01

The significance of guest workers is examined for six Western European countries. It is found that "the dynamics of the migratory process led to family reunification and settlement, against the original intentions of the workers, employers and states concerned. The recruitment of guest-workers stopped after 1974, but many migrants stayed on, becoming permanent ethnic minorities, in a situation of economic and social crisis. It is argued that guest-worker systems inevitably lead to permanent migration in the long run, and that it is better to plan for orderly settlement through appropriate policies." excerpt

Carpal Tunnel Syndrome

MedlinePlus

... worker's wrist to maintain a natural position during work. Jobs can be rotated among workers. Employers can develop programs in ergonomics, the process of adapting workplace conditions and job ...

Work-related allergy and asthma in spice mill workers - The impact of processing dried spices on IgE reactivity patterns.

PubMed

van der Walt, Anita; Lopata, Andreas L; Nieuwenhuizen, Natalie E; Jeebhay, Mohamed F

2010-01-01

Three spice mill workers developed work-related allergy and asthma after prolonged exposure to high levels (>10 mg/m(3)) of inhalable spice dust. Patterns of sensitization to a variety of spices and putative allergens were identified. Work-related allergy and asthma were assessed on history, clinical evaluation, pulmonary function and fractional exhaled nitric oxide. Specific IgE reactivity to a range of common inhalant, food and spice allergens was evaluated using ImmunoCAP and allergen microarray. The presence of non-IgE-mediated reactions was determined by basophil stimulation (CAST-ELISA). Specific allergens were identified by immunoblotting to extracts of raw and dried processed garlic, onion and chili pepper. Asthma was confirmed in all 3 subjects, with work-related patterns prominent in worker 1 and 3. Sensitization to multiple spices and pollen was observed in both atopic workers 1 and 2, whereas garlic and chili pepper sensitization featured in all 3 workers. Microarray analysis demonstrated prominent profilin reactivity in atopic worker 2. Immunoblotting demonstrated a 50-kDa cross-reactive allergen in garlic and onion, and allergens of approximately 40 and 52 kDa in chili pepper. Dry powdered garlic and onion demonstrated greater IgE binding. This study demonstrated IgE reactivity to multiple spice allergens in workers exposed to high levels of inhalable spice dust. Processed garlic and onion powder demonstrated stronger IgE reactivity than the raw plant. Atopy and polysensitization to various plant profilins, suggesting pollen-food syndrome, represent additional risk factors for sensitizer-induced work-related asthma in spice mill workers. 2010 S. Karger AG, Basel.

[Sanitary education of workers of bakeries and pastry enterprises].

PubMed

Krasil'shchikov, M I; Nemets, M G; Novikova, O V; Gavrilenko, E V; Osipova, E M; Osinova, T I

2000-01-01

The paper presents experience with sanitary education of workers from food industrial enterprises. The study revealed a number of disadvantages of the methodological aspect of sanitary education of these workers. A sanitary education programme has been worked out for workers engaged in food and food processing industries (production of bread, baked goods, and confectionery) and approved by the State Sanitary and Epidemiological Surveillance Department), Ministry of Health of Russia on March 1999.

Influence of light and shoot development stage on leaf photosynthesis and carbohydrate status during the adventitious root formation in cuttings of Corylus avellana L.

PubMed Central

Tombesi, Sergio; Palliotti, Alberto; Poni, Stefano; Farinelli, Daniela

2015-01-01

Adventitious root formation in plant cuttings is influenced by many endogenous and environmental factors. Leaf photosynthesis during rooting of leafy cuttings in hard to root species can contribute to supply carbohydrates to the intensive metabolic processes related to adventious root formation. Light intensity during rooting is artificially kept low to decrease potential cutting desiccation, but can be limiting for photosynthetic activity. Furthermore, leafy cuttings collected from different part of the shoot can have a different ability to fuel adventitious root formation in cutting stem. The aim of this work was to determine the role of leaf photosynthesis on adventitious root formation in hazelnut (Corylus avellana L) (a hard-to-root specie) leafy cuttings and to investigate the possible influence of the shoot developmental stage on cutting rooting and survival in the post-rooting phase. Cutting rooting was closely related to carbohydrate content in cutting stems during the rooting process. Cutting carbohydrate status was positively influenced by leaf photosynthesis during rooting. Non-saturating light exposure of leafy cuttings can contribute to improve photosynthetic activity of leafy cuttings. Collection of cuttings from different part of the mother shoots influenced rooting percentage and this appear related to the different capability to concentrate soluble sugars in the cutting stem during rooting. Adventitious root formation depend on the carbohydrate accumulation at the base of the cutting. Mother shoot developmental stage and leaf photosynthesis appear pivotal factors for adventitious roots formation. PMID:26635821

The Process and the Product: Two English Classes Develop Materials.

ERIC Educational Resources Information Center

Nettle, Mary Ellen

1982-01-01

English classes conducted for two groups of women, garment factory workers and building cleaners, are compared. The garment workers interviewed each other and produced a slide-tape program. The cleaners produced a song about their work and in the process, developed awareness of the work situation, and a sense of cooperation. (MSE)

Training and Older Workers: Implications for U.S. Competitiveness. Contract Report.

ERIC Educational Resources Information Center

Rothstein, Frances R.; Ratte, Donna J.

Age-related changes in functional ability and work attitude affect job performance, but many variables affect the extent and timing of change for different older workers. Declines due to age occur in sensory/perceptual processes; strength, speed and accuracy of movement, and balance; and cognitive processes. Individuals can compensate for some…

78 FR 69538 - Attestation Process for Employers Using F-1 Students in Off-Campus Work

Federal Register 2010, 2011, 2012, 2013, 2014

2013-11-20

... Attestation Process for Employers Using F-1 Students in Off- Campus Work AGENCY: Employment and Training... be admitted as F-1 nonimmigrant students to work off-campus if: (1) The alien had completed one..., Health professions, Immigration, Labor, Longshore and harbor work, Migrant workers, Nonimmigrant workers...

Increased Attention to the Search Process Improves the Chances of Foster Kinship Placements

ERIC Educational Resources Information Center

Gibson, Priscilla A.; Rinkel, Michaela

2012-01-01

Although child protective service (CPS) workers are mandated by social policies to conduct a search for relatives, the search process remains unclear and under scrutiny. Placing children with an appropriate relative is dependent on workers' practices and, to some extent, attitudes. Reviewing social policies that mandate the inclusion of relatives…

20 CFR 655.1305 - Assurances and obligations of H-2A employers.

Code of Federal Regulations, 2010 CFR

2010-04-01

..., including employment-related health and safety laws; (2) Provide for or secure housing for those workers who... LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) § 655.1305 Assurances and obligations...

Informal Learning of Social Workers: A Method of Narrative Inquiry

ERIC Educational Resources Information Center

Gola, Giancarlo

2009-01-01

Purpose: The purpose of this paper is to investigate social workers' processes of informal learning, through their narration of their professional experience, in order to understand how social workers learn. Informal learning is any individual practice or activity that is able to produce continuous learning; it is often non-intentional and…

77 FR 58584 - Stream Global Services, Inc., AdCenter, Beaverton, OR; Notice of a Revised Determination on...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-09-21

... supply of services like or directly competitive with the customer relationship management and business... subject worker group includes workers involved in employment related to the supply of customer relationship management and business process outsourcing services. The subject worker group does not include on...

Rural Poverty & Education: A Foundational Perspective.

ERIC Educational Resources Information Center

Books, Sue

In 1991, after 25 workers died in a fire in a rural North Carolina poultry-processing plant, reporters exposed the exploitation that workers had endured and the company's callous disregard for workers' safety. This paper draws on the story of the fire and its victims to challenge some popular assumptions about poverty in general; rural poverty in…

Traps and Treasures: How To Stay Safe and Avoid the Perils of School Construction.

ERIC Educational Resources Information Center

Marshall, Colin A.

2002-01-01

Provides steps school administrators can take to ensure safe construction: stay visible, update students, separate students and construction workers, engage workers in the educational process, monitor student movement, observe construction workers, barricade work areas, watch for stored materials, check emergency exits daily, conduct fire drills,…

Learning to Facilitate Advance Care Planning: The Novice Social Worker's Experience

ERIC Educational Resources Information Center

Washington, Karla; Bowland, Sharon; Mueggenburg, Kay; Pederson, Margaret; Otten, Sheila; Renn, Tanya

2014-01-01

Professional leaders have identified clear roles for social workers involved in advance care planning (ACP), a facilitated process whereby individuals identify their preferences for future medical care; yet information about effective teaching practices in this area is scant. This study reports on the experiences of 14 social workers who…

Worker Participation and American Unions. Threat or Opportunity?

ERIC Educational Resources Information Center

Kochan, Thomas A.; And Others

This book reports results of a study of the efects of quality of worklife programs and related forms of worker participation on unions and the collective bargaining process. Chapter 1 describes the evolution of worker participation in unionized settings and summarizes basic propositions in models of joint union-management change. In chapter 2 five…

Working conditions and environmental exposures among electronic waste workers in Ghana.

PubMed

Akormedi, Matthew; Asampong, Emmanuel; Fobil, Julius N

2013-01-01

To investigate and describe informal e-waste recycling and working conditions at Agbogbloshie, Accra, Ghana. We conducted in-depth interviews which were qualitatively analysed from a grounded theory perspective. Workers obtained e-waste from the various residential areas in Accra, then dismantled and burned them in open air to recover copper, aluminum, steel, and other products for sale to customers on-site or at the nearby Agbogbloshie market. The processers worked under unhealthy conditions often surrounded by refuse and human excreta without any form of protective gear and were thus exposed to frequent burns, cuts, and inhalation of highly contaminated fumes. We observed no form of social security/support system for the workers, who formed informal associations to support one another in times of difficulty. e-waste recycling working conditions were very challenging and presented serious hazards to worker health and wellbeing. Formalizing the e-waste processing activities requires developing a framework of sustainable financial and social security for the e-waste workers, including adoption of low-cost, socially acceptable, easy-to-operate, and cleaner technologies that would safeguard the health of the workers and the general public.

Social Workers' Reflections on the Therapeutic Encounter With Elder Abuse and Neglect.

PubMed

Goldblatt, Hadass; Band-Winterstein, Tova; Alon, Sara

2016-02-24

The aim of this qualitative study was to explore social workers' reflections on their experience of the therapeutic encounter with victims and perpetrators of elder abuse and neglect. The research questions were as follows: How do social workers tune themselves toward the therapeutic encounter with elder abuse? How do they position themselves vis-à-vis the clients? How do social workers describe the meaning of the intervention both for the clients and for themselves? What is the added value of the therapeutic encounter in this field for the social workers? Participants were 17 experienced women social workers, who worked with abusers and with abused and neglected older adults in Israel. Data were collected via in-depth semi-structured interviews, which were later transcribed and content analyzed. Two main themes emerged from the findings, emphasizing two key aspects of the social workers' reflective process experienced during the therapeutic encounter: (a) focus on the client: "This is the journey of their lives"-reflection on the therapeutic "journey"; (b) focus on the social worker's inner and professional world: "'There is nothing to be done' is no longer in my vocabulary"-a personal and professional maturation process. The social workers expressed a positive attitude toward their elder clients. A unique dialogue developed in the therapeutic encounter, whereby the social workers considered any change as valuable if it allowed the elders a sense of control and self-worth, whereas the social workers were enriched by the elders' life experience, and matured both personally and professionally. Thus, both sides benefited from this reciprocal relationship. Implications for further research and practice are discussed. © The Author(s) 2016.

Interrelationship Between Organizational and Relational Aspects and the Return-to-Work Process: A Case Study with Nursing Professionals at a Teaching Hospital in Brazil.

PubMed

Lancman, S; Barros, J O; Silva, M D; Pereira, A R; Jardim, T A

2017-03-01

Introduction The process of returning to work, especially for individuals with labor restrictions, impacts work teams and interferes with the labor reinsertion process. In this study, we aimed to understand the impact of these situations on a nursing team from both organizational and relational perspectives. Methods We conducted a qualitative research study at a university hospital in the municipality of São Paulo using three strategies: documentary analysis; semi-structured interviews with pairs of workers returning to a labor situation; and a focus group with nursing managers. Results Medical leaves of absence overburden the employees who remain working. Regarding the return to work, the participants reported both positive and negative aspects. One positive aspect reported was that those who return to work contribute to the division of labor, generating solidarity and cooperation. The negative aspects reported were related to the return of workers with labor restrictions who do not fully resume their activities, consequently generating conflicts within the work teams that interfere with the reintegration processes. The supervisors reported difficulties reorganizing work on a broad scale and assessing the workers' diagnoses and symptoms and the workers themselves in terms of the necessity of their leaves and the validity of their labor restrictions. Conclusion The organization of labor and social relationships among peers and supervisors is a significant contributor to the success or failure of the work reintegration process and therefore should be considered. We aimed to address this issue by highlighting the complexity of the return-to-work process among health workers.

Developing a change model for peer worker interventions in mental health services: a qualitative research study.

PubMed

Gillard, S; Gibson, S L; Holley, J; Lucock, M

2015-10-01

A range of peer worker roles are being introduced into mental health services internationally. There is some evidence that attests to the benefits of peer workers for the people they support but formal trial evidence in inconclusive, in part because the change model underpinning peer support-based interventions is underdeveloped. Complex intervention evaluation guidance suggests that understandings of how an intervention is associated with change in outcomes should be modelled, theoretically and empirically, before the intervention can be robustly evaluated. This paper aims to model the change mechanisms underlying peer worker interventions. In a qualitative, comparative case study of ten peer worker initiatives in statutory and voluntary sector mental health services in England in-depth interviews were carried out with 71 peer workers, service users, staff and managers, exploring their experiences of peer working. Using a Grounded Theory approach we identified core processes within the peer worker role that were productive of change for service users supported by peer workers. Key change mechanisms were: (i) building trusting relationships based on shared lived experience; (ii) role-modelling individual recovery and living well with mental health problems; (iii) engaging service users with mental health services and the community. Mechanisms could be further explained by theoretical literature on role-modelling and relationship in mental health services. We were able to model process and downstream outcomes potentially associated with peer worker interventions. An empirically and theoretically grounded change model can be articulated that usefully informs the development, evaluation and planning of peer worker interventions.

Work, Skills and Training in the Australian Red Meat Processing Sector. A National Vocational Education and Training Research and Evaluation Program Report

ERIC Educational Resources Information Center

Norton, Kent; Rafferty, Mike

2010-01-01

Work practices in the meat-processing industry have changed in recent years. The industry has moved away from workers dressing a whole carcass towards a chain-based system, with each worker performing a single task along a moving production line. The nature of the meat-processing workforce has also changed. It is no longer dominated by seasonal…

The role of the support worker in nursing homes: a consideration of key issues.

PubMed

Baldwin, Julie; Roberts, Julia D; Fitzpatrick, Joanne I; While, Alison; Cowan, David T

2003-11-01

The aim of this paper is to critically consider the role of the support worker in the nursing home sector and with particular reference to the United Kingdom situation. With the expansion of the nursing home sector, there is an increasing population of support workers in this field. Literature in this paper covers the period between 1989 and 2002, beginning with the build up to the introduction of the National Health Service and Community Care Act (available at: http://www.hmso.gov.uk), which necessitated a major shift between public and private sector employment. The findings of this paper indicate limited research, investigating the role of support workers in general and specifically those working in the nursing home sector. The literature suggests that the majority of the role focuses on direct patient care, however, a lack of role clarification was evident and differences emerged between the views of support workers and Registered Nurses regarding the place of support workers in the care process. In particular, support workers saw their role as similar to that of the Registered Nurse, although Registered Nurse regarded 'basic nursing care' as the key remit of the support worker role. The paper also indicated inadequate preparation and subsequent supervision of support workers. These key findings indicate that role clarification, appropriate preparation and a process of continuing development require careful consideration by managers if the positive contribution of this group of care workers is to be fully realized. Furthermore, while there exists no central source of funding to finance the role preparation and mentorship of support workers, training provision will remain ad hoc. Obtaining core funding would allow for the training and education of support workers to become standard practice, which, in turn, is more likely to lead to improvements in the planning and resourcing of care provision. Equally, further research is needed if the support worker role is to be used effectively and efficiently within the expanding nursing home sector.

The Development of a Humanitarian Health Ethics Analysis Tool.

PubMed

Fraser, Veronique; Hunt, Matthew R; de Laat, Sonya; Schwartz, Lisa

2015-08-01

Introduction Health care workers (HCWs) who participate in humanitarian aid work experience a range of ethical challenges in providing care and assistance to communities affected by war, disaster, or extreme poverty. Although there is increasing discussion of ethics in humanitarian health care practice and policy, there are very few resources available for humanitarian workers seeking ethical guidance in the field. To address this knowledge gap, a Humanitarian Health Ethics Analysis Tool (HHEAT) was developed and tested as an action-oriented resource to support humanitarian workers in ethical decision making. While ethical analysis tools increasingly have become prevalent in a variety of practice contexts over the past two decades, very few of these tools have undergone a process of empirical validation to assess their usefulness for practitioners. A qualitative study consisting of a series of six case-analysis sessions with 16 humanitarian HCWs was conducted to evaluate and refine the HHEAT. Participant feedback inspired the creation of a simplified and shortened version of the tool and prompted the development of an accompanying handbook. The study generated preliminary insight into the ethical deliberation processes of humanitarian health workers and highlighted different types of ethics support that humanitarian workers might find helpful in supporting the decision-making process.

Analysis of context factors in compulsory and incentive strategies for improving attraction and retention of health workers in rural and remote areas: a systematic review.

PubMed

Liu, Xiaoyun; Dou, Lixia; Zhang, Huan; Sun, Yang; Yuan, Beibei

2015-07-21

Current literature systematically reports that interventions to attract and retain health workers in underserved areas need to be context specific but rarely defines what that means. In this systematic review, we try to summarize and analyse context factors influencing the implementation of interventions to attract and retain rural health workers. We searched online databases, relevant websites and reference lists of selected literature to identify studies on compulsory rural service programmes and financial incentives. Forty studies were selected. Information regarding context factors at macro, meso and micro levels was extracted and synthesized. Macro-level context factors include political, economic and social factors. Meso-level factors include health system factors such as maldistribution of health workers, growing private sector, decentralization and health financing. Micro-level factors refer to the policy implementation process including funding sources, administrative agency, legislation process, monitoring and evaluation. Macro-, meso- and micro-level context factors can play different roles in agenda setting, policy formulation and implementation of health interventions to attract and retain rural health workers. These factors should be systematically considered in the different stages of policy process and evaluation.

Worker honey bee pheromone regulation of foraging ontogeny

NASA Astrophysics Data System (ADS)

Pankiw, Tanya

The evolution of sociality has configured communication chemicals, called primer pheromones, which play key roles in regulating the organization of social life. Primer pheromones exert relatively slow effects that fundamentally alter developmental, physiological, and neural systems. Here, I demonstrate how substances extracted from the surface of foraging and young pre-foraging worker bees regulated age at onset of foraging, a developmental process. Hexane-extractable compounds washed from foraging workers increased foraging age compared with controls, whereas extracts of young pre-foraging workers decreased foraging age. This represents the first known direct demonstration of primer pheromone activity derived from adult worker bees.

Processes, barriers and facilitators to implementation of a participatory ergonomics program among eldercare workers.

PubMed

Rasmussen, Charlotte Diana Nørregaard; Lindberg, Naja Klærke; Ravn, Marie Højbjerg; Jørgensen, Marie Birk; Søgaard, Karen; Holtermann, Andreas

2017-01-01

This study aimed to investigate the processes of a participatory ergonomics program among 594 eldercare workers with emphasis on identified risk factors for low back pain and solutions, and reveal barriers and facilitators for implementation. Sixty-nine per cent of the identified risk factors were physical ergonomic, 24% were organisational and 7% were psychosocial risk factors. Most solutions were organisational (55%), followed by physical (43%) and psychosocial solutions (2%). Internal factors (e.g. team or management) constituted 47% of the barriers and 75% of the facilitators. External factors (e.g. time, financial resources, collaboration with resident or relatives) constituted 53% of the barriers and 25% of the facilitators. This study revealed the processes and implementation of a participatory ergonomics program among eldercare workers. The findings can be transferred to workers, workplaces, health and safety professionals, and researchers to improve future participatory ergonomics programs. Copyright © 2016 The Authors. Published by Elsevier Ltd.. All rights reserved.

Arsenic exposure levels in relation to different working departments in a copper mining and smelting plant

NASA Astrophysics Data System (ADS)

Sun, Qingshan; Song, Yingli; Liu, Shengnan; Wang, Fei; Zhang, Lin; Xi, Shuhua; Sun, Guifan

2015-10-01

The investigation was carried out to evaluate arsenic exposure and the urine metabolite profiles of workers with different working departments, including administration (Group1), copper ore mining (Group2), copper ore grinding (Group3), electrolytic procession (Group4) and copper smelting (Group5) in a Copper mining and processing plant in China. Information about characteristics of each subject was obtained by questionnaire and inorganic arsenic (iAs), monomethylarsonic acid (MMA), dimethylarsinic acid (DMA) in urine were determined. The highest urinary levels of iAs, MMA and DMA all were found in the Group 5. Group 4 workers had a higher iAs% and a lower PMI compared to Group 3. The urinary total As (TAs) levels of 54.7% subjects exceeded 50 μg/g Cr, and the highest percentage (93.3%) was found in Group 5, smelters. The results of the present study indicate that workers in copper production plant indeed exposed to As, especially for smelters and workers of electrolytic process.

40 CFR 763.123 - May a State implement its own asbestos worker protection plan?

Code of Federal Regulations, 2010 CFR

2010-07-01

... 40 Protection of Environment 30 2010-07-01 2010-07-01 false May a State implement its own asbestos... (CONTINUED) TOXIC SUBSTANCES CONTROL ACT ASBESTOS Asbestos Worker Protection § 763.123 May a State implement its own asbestos worker protection plan? This section describes the process under which a State may be...

40 CFR 763.123 - May a State implement its own asbestos worker protection plan?

Code of Federal Regulations, 2011 CFR

2011-07-01

... 40 Protection of Environment 31 2011-07-01 2011-07-01 false May a State implement its own asbestos... (CONTINUED) TOXIC SUBSTANCES CONTROL ACT ASBESTOS Asbestos Worker Protection § 763.123 May a State implement its own asbestos worker protection plan? This section describes the process under which a State may be...

40 CFR 763.123 - May a State implement its own asbestos worker protection plan?

Code of Federal Regulations, 2013 CFR

2013-07-01

... 40 Protection of Environment 32 2013-07-01 2013-07-01 false May a State implement its own asbestos... (CONTINUED) TOXIC SUBSTANCES CONTROL ACT ASBESTOS Asbestos Worker Protection § 763.123 May a State implement its own asbestos worker protection plan? This section describes the process under which a State may be...

40 CFR 763.123 - May a State implement its own asbestos worker protection plan?

Code of Federal Regulations, 2012 CFR

2012-07-01

... 40 Protection of Environment 32 2012-07-01 2012-07-01 false May a State implement its own asbestos... (CONTINUED) TOXIC SUBSTANCES CONTROL ACT ASBESTOS Asbestos Worker Protection § 763.123 May a State implement its own asbestos worker protection plan? This section describes the process under which a State may be...

40 CFR 763.123 - May a State implement its own asbestos worker protection plan?

Code of Federal Regulations, 2014 CFR

2014-07-01

... 40 Protection of Environment 31 2014-07-01 2014-07-01 false May a State implement its own asbestos... (CONTINUED) TOXIC SUBSTANCES CONTROL ACT ASBESTOS Asbestos Worker Protection § 763.123 May a State implement its own asbestos worker protection plan? This section describes the process under which a State may be...

Operation of Wastewater Treatment Plants: A Field Study Training Program. Volume III. Second Edition.

ERIC Educational Resources Information Center

California State Univ., Sacramento. Dept. of Civil Engineering.

This manual was prepared by experienced wastewater collection system workers to provide a home study course to develop new qualified workers and expand the abilities of existing workers. This volume contains information on operational strategies for the activated sludge process and the use of pure oxygen, the handling and disposal of solids,…

A HELPING HAND, SEASONAL FARM LABOR IN NEW YORK STATE.

ERIC Educational Resources Information Center

DALRYMPLE, DANIEL M.; AND OTHERS

NEW YORK STATE'S PROGRAM OF AID FOR ITS INTERSTATE AGRICULTURAL WORKERS IS PRESENTED. NEW YORK IS ONE OF THE MAJOR AGRICULTURAL STATES. THOUSANDS OF SEASONAL WORKERS ARE REQUIRED TO SUPPLEMENT INDIVIDUAL FARMERS, THEIR FAMILIES, AND REGULAR EMPLOYEES OF FRUIT AND VEGETABLE PROCESSING PLANTS. THE SEASONAL WORKER IS A KEY FIGURE IN THE STATE'S…

An Exploratory Study of the Elements to Develop a Coaching Model

ERIC Educational Resources Information Center

Brown, Gwendolyn

2010-01-01

This exploratory study examined the elements of a coaching model based on the best practices that first focus on providing managers with the ability to develop workers and increase productivity, before using existing models that only support the process of managing workers, when it becomes apparent that the worker is not meeting expected…

[Importance of occupational medicine problem on small and medium scale business enterprises].

PubMed

Fasikov, R M; Stepanov, E G

2008-01-01

First stage of hygienic and psychosocial studies on evaluating the conditions, work specification and health state of small and medium scale business enterprise workers is finished. Findings are that psychosocial factors of work process are highly significant for those workers, and locomotor disorders (backaches) are leaders in morbidity structure among those workers.

Influenza virus A (H10N7) in chickens and poultry abattoir workers, Australia.

PubMed

Arzey, George G; Kirkland, Peter D; Arzey, K Edla; Frost, Melinda; Maywood, Patrick; Conaty, Stephen; Hurt, Aeron C; Deng, Yi-Mo; Iannello, Pina; Barr, Ian; Dwyer, Dominic E; Ratnamohan, Mala; McPhie, Kenneth; Selleck, Paul

2012-05-01

In March 2010, an outbreak of low pathogenicity avian influenza A (H10N7) occurred on a chicken farm in Australia. After processing clinically normal birds from the farm, 7 abattoir workers reported conjunctivitis and minor upper respiratory tract symptoms. Influenza virus A subtype H10 infection was detected in 2 workers.

Informal Learning Processes in a Worker Co-Operative. NALL Working Paper.

ERIC Educational Resources Information Center

Quarter, Jack; Midha, Harish

A study was conducted to understand the informal learning processes of the members of a worker natural foods store cooperative, The Big Carrot, in Toronto. Eight members with central roles in the natural foods retailer were interviewed. In addition, key documents and other writings on the cooperative were examined. The data indicate that members…

Improving Virtual Team Collaboration Outcomes through Collaboration Process Structuring

ERIC Educational Resources Information Center

Dittman, Dawn R.; Hawkes, Mark; Deokar, Amit V.; Sarnikar, Surendra

2010-01-01

The ability to collaborate in a virtual team is a necessary skill set for today's knowledge workers and students to be effective in their work. Past research indicates that knowledge workers and students need to establish a formal process to perform work, develop clear goals and objectives, and facilitate better communication among team members.…

77 FR 54930 - Chartis Global Services, Inc., a Subsidiary of Chartis, Inc., Regional Processing Organization...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-09-06

... Organization, Regional Service Center, Dallas, TX; Amended Certification Regarding Eligibility To Apply for... Processing Organization and that workers and former workers at an affiliated facility in Dallas, Texas... location in Dallas, Texas (TA-W- 81,263A). The amended notice applicable to TA-W-81,263 is hereby issued as...

Pre-Statistical Process Control: Making Numbers Count! JobLink Winning at Work Instructor's Manual, Module 3.

ERIC Educational Resources Information Center

Coast Community Coll. District, Costa Mesa, CA.

This instructor's manual for workplace trainers contains the materials required to conduct a course in pre-statistical process control. The course consists of six lessons for workers and two lessons for supervisors that discuss the following: concepts taught in the six lessons; workers' progress in the individual lessons; and strategies for…

Housing Seasonal Workers for the Minnesota Processed Vegetable Industry

ERIC Educational Resources Information Center

Ziebarth, Ann

2006-01-01

The place where we live and work is a reflection of a complex set of economic conditions and social relationships. Very little information is available regarding housing for Minnesota's migrant workers. It is estimated that approximately 20,000 people migrate to Minnesota each summer to work in the production and processing of green peas and sweet…

The Child-Centered Social Worker and the Sexually Abused Child: Pathway to Healing.

ERIC Educational Resources Information Center

Anderson, Lorie Elizabeth; Weston, Elisabeth A.; Doueck, Howard J.; Krause, Denise J.

2002-01-01

In an effort to assist the sexually abused child throughout the court process, the authors propose the concept of a child-centered social worker committed to minimizing the potential for system-induced trauma by assisting the sexually abused child through the judicial process and providing clinical treatment as well. (Contains 68 references.) (GCP)

[Work reality and the construction process of the nurse's identity].

PubMed

Netto, Laura Filomena Santos de Araújo; Ramos, Flávia Regina Souza

2002-01-01

This study tries to understand the relation between the reality of the nurse's everyday work and the construction process of this identity, using Agnes Heller's sociological theory of everyday life as the main reference. The possibilities of the worker's expression and fulfillment occur through objective and subjective elements of job reality which comes upon the worker as people who put order and tension in their everyday job; these job determinants imprint and produce impacts, giving sense to the work quality and constructing concrete possibilities to the worker to manifest him/herself as Whole being, guiding the construction of his/her identity.

Respiratory symptoms, lung functions, and exhaled nitric oxide (FENO) in two types of fish processing workers: Russian trawler fishermen and Norwegian salmon industry workers.

PubMed

Shiryaeva, Olga; Aasmoe, Lisbeth; Straume, Bjørn; Bang, Berit Elisabeth

2015-01-01

Respiratory outcomes and work-related factors were studied in two seafood worker populations representing different occupational environments. Levels of fractional exhaled nitric oxide (FENO), spirometric values, prevalence of respiratory symptoms, and self-evaluated exposures were compared between 139 Norwegian salmon workers and 127 Russian trawler workers. Increased odds ratios (ORs) of shortness of breath with wheezing and prolonged cough as general respiratory symptoms were found in salmon workers, while increased ORs of work-related dry cough and running nose were found in trawler fishermen. Both worker groups ranked "cold work environment," "use of disinfectants," and "contaminated indoor air" as the first, second, and third most important causes of work-related respiratory symptoms, respectively. Fractional exhaled nitric oxide levels were higher in asthmatic trawler workers compared to asthmatic salmon workers. Respiratory symptoms commonly associated with obstructive airway diseases were more prevalent in salmon workers, while symptoms commonly associated with asthma and short-term effects of cold air exposure were more prevalent in trawler workers.

20 CFR 655.6 - Temporary need.

Code of Federal Regulations, 2010 CFR

2010-04-01

... WORKERS IN THE UNITED STATES Labor Certification Process and Enforcement of Attestations for Temporary Employment in Occupations Other Than Agriculture or Registered Nursing in the United States (H-2B Workers...

A clinical and radiographic study of coir workers.

PubMed

Uragoda, C G

1975-02-01

Processing of coir, which is the fibre obtained from the husk of the coconut, is a dusty procedure; 779 workers in two coir processing factories in Sri Lanka were examined clincally and radiographically for evidence of respiratory disease. Respiratory symptoms were present in 20 (2-6%) of them, which is no higher than in the general population. Respiratory disease such as asthma, chronic bronchitis, byssinosis, and pulmonary tuberculosis which may occur from occupational exposures were considered, but there was no evidence to suggest a definite association between these conditions and coir dust. Twenty-two workers had abnormal chest radiographs, but when compared with a control group of 591 workers from an engineering firm where lesions were found in 20 cases, there was no significant difference. In the opinion of the medical officer, management and workers of the large factory investigated, coir dust does not produce any respiratory disability. The chemical composition of coir dust is similar to that of sisal which is also relatively inert.

A clinical and radiographic study of coir workers.

PubMed Central

Uragoda, C G

1975-01-01

Processing of coir, which is the fibre obtained from the husk of the coconut, is a dusty procedure; 779 workers in two coir processing factories in Sri Lanka were examined clincally and radiographically for evidence of respiratory disease. Respiratory symptoms were present in 20 (2-6%) of them, which is no higher than in the general population. Respiratory disease such as asthma, chronic bronchitis, byssinosis, and pulmonary tuberculosis which may occur from occupational exposures were considered, but there was no evidence to suggest a definite association between these conditions and coir dust. Twenty-two workers had abnormal chest radiographs, but when compared with a control group of 591 workers from an engineering firm where lesions were found in 20 cases, there was no significant difference. In the opinion of the medical officer, management and workers of the large factory investigated, coir dust does not produce any respiratory disability. The chemical composition of coir dust is similar to that of sisal which is also relatively inert. PMID:1125129

[Work process and workers' health in a food and nutrition unit: prescribed versus actual work].

PubMed

Colares, Luciléia Granhen Tavares; Freitas, Carlos Machado de

2007-12-01

This study focuses on the relationship between the work process in a food and nutrition unit and workers' health, in the words of the participants themselves. Direct observation, a semi-structured interview, and focus groups were used to collect the data. The reference was the dialogue between human ergonomics and work psychodynamics. The results showed that work organization in the study unit represents a routine activity, the requirements of which in terms of the work situation are based on criteria set by the institution. Variability in the activities is influenced mainly by the available equipment, instruments, and materials, thereby generating improvisation in meal production that produces both a physical and psychological cost for workers. Dissatisfaction during the performance of tasks results mainly from the supervisory style and relationship to immediate superiors. Workers themselves proposed changes in the work organization, based on greater dialogue and trust between supervisors and the workforce. Finally, the study identifies the need for an intervention that encourages workers' participation as agents of change.

Injury Compensation Process Delays Prompt Payment of Benefits to Federal Workers.

DTIC Science & Technology

1981-09-25

Prompt Payment 9f Benefits 0 Federal Workers , "fem of benefits under the Federal Employees ’ Compen- , m Act am not being made on time a measured by the...A worker may also appeal adverse decisions to the Employees ’ Compensation Appeals Board. The Board is a quasi-judicial board of three members...agencies to distribute these pamphlets to workers . Similar instruc- tions are contained on Poster CA-10 "What a Federal Employee Should Do When

A qualitative exploration of work-related head injury: vulnerability at the intersection of workers' decision making and organizational values.

PubMed

Kontos, P; Grigorovich, A; Nowrouzi, B; Sharma, B; Lewko, J; Mollayeva, T; Colantonio, A

2017-10-18

Work-related head injury is a critical public health issue due to its rising prevalence; the association with profound disruption of workers' lives; and significant economic burdens in terms of medical costs and lost wages. Efforts to understand and prevent these types of injuries have largely been dominated by epidemiological research and safety science, which has focused on identifying risk at the level of the individual worker, population group, or organizational sector. Limited research has focused on the perspectives of the workers, a key stakeholder group for informing understanding of vulnerability to work-related head injury. This study explored workers' perspectives to better understand their decision-making and how and why their injuries occurred. We conducted a qualitative study using in-depth semi-structured interviews with thirty-two adult workers who had sustained a work-related head injury. Workers were recruited from an urban clinic in central Ontario, Canada. Labour Process Theory informed the thematic analysis. Three hazardous work conditions were identified: insufficient training; inadequate staffing; and inattention to the physical environment. In addition, professional and organizational norms were implicated in vulnerability to head injury including putting the client before the worker and the pressure to work unsafely. The findings also highlight a complex interrelationship between workers' decision-making and professional and organizational norms that produces vulnerability to head injury, a vulnerability which oftentimes is reproduced by workers' decisions to work despite hazardous conditions. Our findings suggest that, beyond the need to redress the inattention to hazards in the physical environment, there is a need to address norms that influence worker decision-making to improve the safety of workers. Using Labour Process Theory highlights an important social dynamic within workplace sectors that could inform future development and implementation of multi-level and integrated public health strategies to reduce work-related head injury.

Decline in lung function related to exposure and selection processes among workers in the grain processing and animal feed industry.

PubMed

Post, W; Heederik, D; Houba, R

1998-05-01

To follow up workers in the grain processing and animal feed industry five years after an initial survey, and to monitor exposures to organic dust and endotoxin and changes in prevalence of respiratory symptoms and lung function. Outcome measures in the present survey were decline in lung function over five years, rapid annual decline in forced expiratory volume in one second (FEV1) above 90 ml.s-1, and loss to follow up. Among 140 workers included in the longitudinal analysis, annual decline in FEV1 and maximal mid-expiratory flow (MMEF) were significantly related to occupational exposure to dust and endotoxin in the grain processing and animal feed industry. Assuming a cumulative exposure over a working life of 40 years with an exposure of 5 mg.m-3, the estimated effect on the FEV1 would be a decline of 157 ml.s-1 (95% CI 13 to 300)--that is, about 4% of the group mean FEV1 and 473 ml.s-1 (95% CI 127 to 800) of the MMEF (about 12%). Workers with a dust exposure > 4 mg.m-3 or endotoxin concentrations > 20 ng.m-3 at the 1986-8 survey had significantly higher risk of rapid decline in FEV1 (odds ratio (OR) 3.3, 95% CI 1.02 to 10.3). The relations between occupational exposure and decline in lung function in this study occurred, despite the selection through the healthy worker effect that occurred as well. Increasing working years was related to decreasing annual decline in FEV1 and fewer people with rapid decline in FEV1 (OR 0.04, 95% CI 0 to 0.61 for over 20 v < 5 working years in the grain processing and animal feed industry). The presence of respiratory symptoms at baseline was a strong predictor of subsequent loss to follow up. Baseline lung function was not found to be predictive of subsequent loss to follow up. However, among workers lost to follow up the number of working years was more strongly negatively related to baseline lung function than among the workers who were studied longitudinally. The existence of the healthy worker effect implies that an exposure-response relation in the grain processing and animal feed industry may well be underestimated. This should be taken into account when health based recommended limit values are to be developed.

Decline in lung function related to exposure and selection processes among workers in the grain processing and animal feed industry

PubMed Central

Post, W.; Heederik, D.; Houba, R.

1998-01-01

OBJECTIVES: To follow up workers in the grain processing and animal feed industry five years after an initial survey, and to monitor exposures to organic dust and endotoxin and changes in prevalence of respiratory symptoms and lung function. METHODS: Outcome measures in the present survey were decline in lung function over five years, rapid annual decline in forced expiratory volume in one second (FEV1) above 90 ml.s-1, and loss to follow up. RESULTS: Among 140 workers included in the longitudinal analysis, annual decline in FEV1 and maximal mid- expiratory flow (MMEF) were significantly related to occupational exposure to dust and endotoxin in the grain processing and animal feed industry. Assuming a cumulative exposure over a working life of 40 years with an exposure of 5 mg.m-3, the estimated effect on the FEV1 would be a decline of 157 ml.s-1 (95% CI 13 to 300)--that is, about 4% of the group mean FEV1 and 473 ml.s-1 (95% CI 127 to 800) of the MMEF (about 12%). Workers with a dust exposure > 4 mg.m-3 or endotoxin concentrations > 20 ng.m-3 at the 1986-8 survey had significantly higher risk of rapid decline in FEV1 (odds ratio (OR) 3.3, 95% CI 1.02 to 10.3). The relations between occupational exposure and decline in lung function in this study occurred, despite the selection through the healthy worker effect that occurred as well. Increasing working years was related to decreasing annual decline in FEV1 and fewer people with rapid decline in FEV1 (OR 0.04, 95% CI 0 to 0.61 for over 20 v < 5 working years in the grain processing and animal feed industry). The presence of respiratory symptoms at baseline was a strong predictor of subsequent loss to follow up. Baseline lung function was not found to be predictive of subsequent loss to follow up. However, among workers lost to follow up the number of working years was more strongly negatively related to baseline lung function than among the workers who were studied longitudinally. CONCLUSIONS: The existence of the healthy worker effect implies that an exposure-response relation in the grain processing and animal feed industry may well be underestimated. This should be taken into account when health based recommended limit values are to be developed.   PMID:9764113

Occupational hazards among the abattoir workers associated with noncompliance to the meat processing and waste disposal laws in Malaysia

PubMed Central

Abdullahi, Auwalu; Hassan, Azmi; Kadarman, Norizhar; Junaidu, Yakubu Muhammad; Adeyemo, Olanike Kudrat; Lua, Pei Lin

2016-01-01

Purpose This study aims to investigate the occupational hazards among the abattoir workers associated with noncompliance to the meat processing and waste disposal laws in Terengganu State, Malaysia. Occupational hazards are the major source of morbidity and mortality among the animal workers due to exposure to many hazardous situations in their daily practices. Occupational infections mostly contracted by abattoir workers could be caused by iatrogenic or transmissible agents, including viruses, bacteria, fungi, and parasites and the toxins produced by these organisms. Materials and methods The methodology was based on a cross-sectional survey using cluster sampling technique in the four districts of Terengganu State, Malaysia. One hundred and twenty-one abattoir workers from five abattoirs were assessed using a validated structured questionnaire and an observation checklist. Results The mean and standard deviation of occupational hazards scores of the workers were 2.32 (2.721). Physical, chemical, biological, psychosocial, musculoskeletal, and ergonomics hazards were the major findings of this study. However, the highest prevalence of occupational hazards identified among the workers was injury by sharp equipment such as a knife (20.0%), noise exposure (17.0%), and due to offensive odor within the abattoir premises (12.0%). Conclusion The major occupational hazards encountered by the workers in the study area were physical, chemical, biological, psychosocial, musculoskeletal, and ergonomics hazards. To ensure proper control of occupational health hazards among the abattoir workers, standard design and good environmental hygiene must be taken into consideration all the time. Exposure control plan, which includes risk identification, risk characterization, assessment of workers at risk, risk control, workers’ education/training, and implementation of safe work procedures, should be implemented by the government and all the existing laws governing the abattoir operation in the country should be enforced. PMID:27471416

Respiratory disease associated with occupational inhalation to hop (Humulus lupulus) during harvest and processing.

PubMed

Reeb-Whitaker, Carolyn K; Bonauto, David K

2014-11-01

There is little published evidence for occupational respiratory disease caused by hop dust inhalation. In the United States, hops are commercially produced in the Pacific Northwest region. To describe occupational respiratory disease in hop workers. Washington State workers' compensation claims filed by hop workers for respiratory disease were systematically identified and reviewed. Incidence rates of respiratory disease in hop workers were compared with rates in field vegetable crop farm workers. Fifty-seven cases of respiratory disease associated with hop dust inhalation were reported from 1995 to 2011. Most cases (61%) were diagnosed by the attending health care practitioner as having work-related asthma. Seven percent of cases were diagnosed as chronic obstructive pulmonary disease, and the remaining cases were diagnosed as allergic respiratory disorders (eg, allergic rhinitis) or asthma-associated symptoms (eg, dyspnea). Cases were associated with hop harvesting, secondary hop processing, and indirect exposure. The incidence rate of respiratory disease in hop workers was 15 cases per 10,000 full-time workers, which was 30 times greater than the incidence rate for field vegetable crop workers. A strong temporal association between hop dust exposure and respiratory symptoms and a clear association between an increase in hop dust concentrations and the clinical onset of symptoms were apparent in 3 cases. Occupational exposure to hop dust is associated with respiratory disease. Respiratory disease rates were higher in hop workers than in a comparison group of agricultural workers. Additional research is needed before hop dust can be confirmed as a causative agent for occupational asthma. Copyright © 2014 American College of Allergy, Asthma & Immunology. Published by Elsevier Inc. All rights reserved.

Introducing peer worker roles into UK mental health service teams: a qualitative analysis of the organisational benefits and challenges.

PubMed

Gillard, Steve G; Edwards, Christine; Gibson, Sarah L; Owen, Katherine; Wright, Christine

2013-05-24

The provision of peer support as a component of mental health care, including the employment of Peer Workers (consumer-providers) by mental health service organisations, is increasingly common internationally. Peer support is strongly advocated as a strategy in a number of UK health and social care policies. Approaches to employing Peer Workers are proliferating. There is evidence to suggest that Peer Worker-based interventions reduce psychiatric inpatient admission and increase service user (consumer) empowerment. In this paper we seek to address a gap in the empirical literature in understanding the organisational challenges and benefits of introducing Peer Worker roles into mental health service teams. We report the secondary analysis of qualitative interview data from service users, Peer Workers, non-peer staff and managers of three innovative interventions in a study about mental health self-care. Relevant data was extracted from interviews with 41 participants and subjected to analysis using Grounded Theory techniques. Organisational research literature on role adoption framed the analysis. Peer Workers were highly valued by mental health teams and service users. Non-peer team members and managers worked hard to introduce Peer Workers into teams. Our cases were projects in development and there was learning from the evolutionary process: in the absence of formal recruitment processes for Peer Workers, differences in expectations of the Peer Worker role can emerge at the selection stage; flexible working arrangements for Peer Workers can have the unintended effect of perpetuating hierarchies within teams; the maintenance of protective practice boundaries through supervision and training can militate against the emergence of a distinctive body of peer practice; lack of consensus around what constitutes peer practice can result in feelings for Peer Workers of inequality, disempowerment, uncertainty about identity and of being under-supported. This research is indicative of potential benefits for mental health service teams of introducing Peer Worker roles. Analysis also suggests that if the emergence of a distinctive body of peer practice is not adequately considered and supported, as integral to the development of new Peer Worker roles, there is a risk that the potential impact of any emerging role will be constrained and diluted.

A cascade model of mentorship for frontline health workers in rural health facilities in Eastern Uganda: processes, achievements and lessons.

PubMed

Ajeani, Judith; Mangwi Ayiasi, Richard; Tetui, Moses; Ekirapa-Kiracho, Elizabeth; Namazzi, Gertrude; Muhumuza Kananura, Ronald; Namusoke Kiwanuka, Suzanne; Beyeza-Kashesya, Jolly

2017-08-01

There is increasing demand for trainers to shift from traditional didactic training to innovative approaches that are more results-oriented. Mentorship is one such approach that could bridge the clinical knowledge gap among health workers. This paper describes the experiences of an attempt to improve health-worker performance in maternal and newborn health in three rural districts through a mentoring process using the cascade model. The paper further highlights achievements and lessons learnt during implementation of the cascade model. The cascade model started with initial training of health workers from three districts of Pallisa, Kibuku and Kamuli from where potential local mentors were selected for further training and mentorship by central mentors. These local mentors then went on to conduct mentorship visits supported by the external mentors. The mentorship process concentrated on partograph use, newborn resuscitation, prevention and management of Post-Partum Haemorrhage (PPH), including active management of third stage of labour, preeclampsia management and management of the sick newborn. Data for this paper was obtained from key informant interviews with district-level managers and local mentors. Mentorship improved several aspects of health-care delivery, ranging from improved competencies and responsiveness to emergencies and health-worker professionalism. In addition, due to better district leadership for Maternal and Newborn Health (MNH), there were improved supplies/medicine availability, team work and innovative local problem-solving approaches. Health workers were ultimately empowered to perform better. The study demonstrated that it is possible to improve the competencies of frontline health workers through performance enhancement for MNH services using locally built capacity in clinical mentorship for Emergency Obstetric and Newborn Care (EmONC). The cascade mentoring process needed strong external mentorship support at the start to ensure improved capacity among local mentors to provide mentorship among local district staff.

Strengthening practical wisdom: mental health workers' learning and development.

PubMed

Eriksen, Kristin Ådnøy; Dahl, Hellen; Karlsson, Bengt; Arman, Maria

2014-09-01

Practical wisdom, understood as knowing how to be or act in any present situation with clients, is believed to be an essential part of the knowledge needed to be a professional mental health worker. Exploring processes of adapting, extending knowledge and refining tacit knowledge grounded in mental health workers' experiences with being in practice may bring awareness of how mental health workers reflect, learn and practice professional 'artistry'. The aim of the article was to explore mental health workers' processes of development and learning as they appeared in focus groups intended to develop practical wisdom. The main research question was 'How might the processes of development and learning contribute to developing practical wisdom in the individual as well as in the practice culture?' The design was multi-stage focus groups, and the same participants met four times. A phenomenological hermeneutical method for researching lived experience guided the analysis. Eight experienced mental health workers representing four Norwegian municipalities participated. The research context was community-based mental health services. The study was reported to Norwegian Social Data Services, and procedures for informed consent were followed. Two examples of processes of re-evaluation of experience (Association, Integration, Validation, Appropriation and Outcomes and action) were explored. The health workers had developed knowledge in previous encounters with clients. In sharing practice experiences, this knowledge was expressed and developed, and also tested and validated against the aims of practice. Discussions led to adapted and extended knowledge, and as tacit knowledge was expressed it could be used actively. Learning to reflect, being ready to be provoked and learning to endure indecisiveness may be foundational in developing practical wisdom. Openness is demanding, and changing habits of mind is difficult. Reflection on, and confrontation with, set practices are essential to building practice cultures in line with the aims of mental health services. © The Author(s) 2014.

Behavioral and molecular studies of quantitative differences in hygienic behavior in honeybees.

PubMed

Gempe, Tanja; Stach, Silke; Bienefeld, Kaspar; Otte, Marianne; Beye, Martin

2016-10-21

Hygienic behavior (HB) enables honeybees to tolerate parasites, including infection with the parasitic mite Varroa destructor, and it is a well-known example of a quantitative genetic trait. The understanding of the molecular processes underpinning the quantitative differences in this behavior remains limited. We performed gene expression studies in worker bees that displayed quantitative genetic differences in HB. We established a high and low genetic source of HB performance and studied the engagements into HB of single worker bees under the same environmental conditions. We found that the percentage of worker bees that engaged in a hygienic behavioral task tripled in the high versus low HB sources, thus suggesting that genetic differences may mediate differences in stimulated states to perform HB. We found 501 differently expressed genes (DEGs) in the brains of hygienic and non-hygienic performing workers in the high HB source bees, and 342 DEGs in the brains of hygienic performing worker bees, relative to the gene expression in non-hygienic worker bees from the low HB source group. "Cell surface receptor ligand signal transduction" in the high and "negative regulation of cell communication" in the low HB source were overrepresented molecular processes, suggesting that these molecular processes in the brain may play a role in the regulation of quantitative differences in HB. Moreover, only 21 HB-associated DEGs were common between the high and low HB sources. The better HB colony performance is primarily achieved by a high number of bees engaging in the hygienic tasks that associate with distinct molecular processes in the brain. We propose that different gene products and pathways may mediate the quantitative genetic differences of HB.

[Relationship between occupational stress and working ability of workers in a petroleum processing enterprise in high altitude area].

PubMed

Ma, X M; Kang, H L; Shi, C B; Li, Y; Wu, Y F; Liu, Z H; Wang, G; Lei, H Y

2017-12-20

Objective: To investigate the relationship between occupational stress and working ability of workers in a petroleum processing enterprise in a high altitude area. Methods: A total of 728 workers in a petroleum processing enterprise at an altitude of 2850 m were subjected to a survey using Occupational Stress Inventory (OSI) , Work Ability Index (WAI) Scale, Occupational Role Questionnaire (ORQ) , Personal Strain Questionnaire (PSQ) , and Personal Resource Questionnaire (PRQ) from May 2014 to August 2016. Results: Of the 728 workers, 55 (7.6%) had a poor working ability, moderate in 262 (35.9%) , and good in 411 (56.5%). There were significant differences in WAI between the workers with different types of work, sexes, ages, and working years ( P <0.05). There was a significant difference in WAI between different occupational stress groups ( P <0.05). WAI was negatively correlated with ORQ score and PSQ score ( r (s)=-0.387, P <0.05; r (s)=-0.467, P <0.05) and positively correlated with PRQ score ( r (s)=0.343, P <0.05). The multiple linear regression analysis showed that high ORQ score and PSQ score were the inhibitory factors for high WAI ( B =-0.058; B =-0.082) and high PRQ score was a contributing factor for high WAI ( B =0.029) . Conclusion: Occupational stress is an influencing factor for the working ability of workers in the petroleum processing enterprise in the high altitude area. Hypoxia in high altitude area may further reduce the working ability. In order to reduce occupational stress and improve work ability, it should be considered to strengthen skills training, improve the working environment, and pay attention to mental health.

Upper-extremity musculoskeletal symptoms and physical health related quality of life among women employed in poultry processing and other low-wage jobs in northeastern North Carolina.

PubMed

McPhee, C S; Lipscomb, H J

2009-04-01

The purpose of this study was to evaluate the association between upper-extremity musculoskeletal symptoms (MS) and diminished physical health related quality of life (PHRQoL) in a population of women, mostly African-American working in poultry processing and other low-wage jobs in rural northeastern North Carolina. A cross-sectional analysis was performed on baseline data of self-reported PHRQoL and musculoskeletal symptoms for 291 poultry processing workers and 299 community comparison women. Logarithmic binomial regression was performed to assess the relationship between moderate to severe MS on low PHRQoL. Prevalence of poor PHRQoL was 35.5% among poultry processing workers, and 14.7% among community comparison group. Moderate to severe upper-extremity musculoskeletal symptoms were present in 34.4% of the poultry workers and 10.7% of the comparison group. After adjusting for age and other chronic conditions, moderate to severe musculoskeletal symptoms were associated with low PHRQoL in both groups. Although the observed effect was stronger among the comparison group (adjusted prevalence ratios (95% confidence interval): poultry workers = 1.89 (1.36, 2.64), community comparison = 4.26 (2.51, 7.24), the population attributable risk percent was similar (poultry workers = 28.9, community comparison = 31.3%)) due to the higher prevalence of moderate to severe symptoms in the poultry workers. Significant upper-extremity musculoskeletal symptoms were associated with poor PHRQoL among both groups of women employed in low-wage jobs. Nationwide, poultry work is over-represented by minorities and immigrants. Though challenging, we need to search for ways to improve the conditions of these women as a matter of social justice.

Job functions of Swedish public and private sector vocational rehabilitation workers.

PubMed

Millet, Patrick B; Vaittinen, Pauli

2009-01-01

This study has had two main aims, the first to investigate and gather knowledge of the major job functions of Swedish rehabilitation workers, the second to study the frequency of use of these functions in the VR process. Structured questionnaires were sent to Swedish rehabilitation workers from public and private sectors. To identify the major dimensions of Swedish rehabilitation workers' job in the vocational rehabilitation (VR) process, a principal component factor analysis was performed. Results revealed that there are four main factors (dimensions) that comprised the VR process in Sweden. The four factors (dimensions) are job development and career counselling; assessment and counselling interventions; workplace adjustment and employer consultation and client support, personnel development and public relations. The VR process in Sweden is limited in both its scope and depth. This when one compares with the results of studies carried out in the USA, who found seven and six dimensions, respectively. It is argued that it cannot be excluded that the negative trend of extensive sick leave and early pensions are attributable to the limitations in the VR process that have been found. Suggested is the urgent need to put resources in place that would support the further advancement of the knowledge and competencies of the VR services in Sweden.

Occupational Exposure to Bioaerosols in Norwegian Crab Processing Plants.

PubMed

Thomassen, Marte R; Kamath, Sandip D; Lopata, Andreas L; Madsen, Anne Mette; Eduard, Wijnand; Bang, Berit E; Aasmoe, Lisbeth

2016-08-01

Aerosolization of components when processing king crab (Paralithodes camtschaticus) and edible crab (Cancer pagurus) may cause occupational health problems when inhaled by workers. A cross-sectional study was carried out in three king crab plants and one edible crab plant. Personal exposure measurements were performed throughout work shifts. Air was collected for measurement of tropomyosin, total protein, endotoxin, trypsin, and N-acetyl-β-d-glucosaminidase (NAGase). T-tests and ANOVAs were used to compare the levels of exposure in the different plants and areas in the plants. Total protein and tropomyosin levels were highest in the edible crab plant, endotoxin levels were highest in king crab plants. King crab exposure levels were highest during raw processing. Tropomyosin levels were highest during raw king crab processing with geometric mean (GM) 9.6 versus 2.5ng m(-3) during cooked processing. Conversely, edible crab tropomyosin levels were highest during cooked processing with GM 45.4 versus 8.7ng m(-3) during raw processing. Endotoxin levels were higher in king crab plants than in the edible crab plant with GM = 6285.5 endotoxin units (EU) m(-3) versus 72 EU m(-3). In the edible crab plant, NAGase levels were highest during raw processing with GM = 853 pmol4-methylumbelliferone (MU) m(-3) versus 422 pmol4-MU m(-3) during cooked processing. Trypsin activity was found in both king crab and edible crab plants and levels were higher in raw than cooked processing. Differences in exposure levels between plants and worker groups (raw and cooked processing) were identified. Norwegian crab processing workers are exposed to airborne proteins, tropomyosin, endotoxins, trypsin, and NAGase in their breathing zone. Levels vary between worker groups and factories. © The Author 2016. Published by Oxford University Press on behalf of the British Occupational Hygiene Society.

Social Workers' Orientations toward the Evidence-Based Practice Process: A Comparison with Psychologists and Licensed Marriage and Family Therapists

ERIC Educational Resources Information Center

Parrish, Danielle E.; Rubin, Allen

2012-01-01

This article describes the results from a large, cross-sectional survey of social workers, psychologists, and licensed marriage and family therapists (LMFTs) in Texas (N = 865) regarding their orientation toward and implementation of evidence-based practice (EBP). All social workers were recruited by e-mail using the state NASW Listserv (analysis…

Impact of conflict and violence on workers in a hospital emergency room.

PubMed

Lancman, Selma; Mângia, Elisabete Ferreira; Muramoto, Melissa Tieko

2013-01-01

Emergency room (ER) work includes dealing with situations of conflict and aggression. The diversity and unpredictability of these situations and the lack of pre-established procedures to guide workers in dealing with these phenomena affect and weaken their physical and mental health. The purpose of the article is to learn about conflict and aggression at work and its impact on the workers in a hospital emergency room. The method is a transversal, exploratory, descriptive and observational study, carried out from September to November 2008, using direct observation procedures and interviews. Two hundred and eighty emergency room workers participated in the observations and eleven interviews were carried out with workers from several professional categories. The work process is marked by overload, individualization of responsibilities, time pressures and deadlines for making decision, little space for exchange and sharing, lack of support or guidance. The strong pressure to provide care quickly causes conflict and aggression among users and the different professional teams. These situations arise from problems in work organization and users in excess of the ER service capacity. The article recommends changes in the work process that can simultaneously improve both the quality of care for patients and provide protective measures for workers.

Employers' Attitudes on Hiring Workers with Intellectual Disabilities in Small and Medium Enterprises: An Italian Research

ERIC Educational Resources Information Center

Zappella, Emanuela

2015-01-01

Employers play a significant role in the process of hiring workers with intellectual disability. Through an in-depth interview, this research aims to investigate the attitudes of 30 representatives of small and medium-sized Italian companies involved in a process of recruitment. The data were analyzed using a phenomenological approach. The results…

20 CFR 655.20 - Applications for temporary employment certification.

Code of Federal Regulations, 2010 CFR

2010-04-01

... LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process and... Nursing in the United States (H-2B Workers) § 655.20 Applications for temporary employment certification...

Worker Protection Standard Relabeling Process for Retailers and Wholesalers

EPA Pesticide Factsheets

This is Attachment 1 for Pesticide Registration Notice 95-5, Labeling Revisions Required By The Worker Protection Standard (WPS) for Sale or Distribution of Certain Agricultural Pesticides after October 23, 1995.

Integration of Health Protection and Health Promotion: Rationale, Indicators, and Metrics

PubMed Central

Sorensen, Glorian; McLellan, Deborah; Dennerlein, Jack T.; Pronk, Nicolaas P.; Allen, Jennifer D.; Boden, Leslie I.; Okechukwu, Cassandra A.; Hashimoto, Dean; Stoddard, Anne; Wagner, Gregory R

2014-01-01

Objective To offer a definition of an “integrated” approach to worker health and operationalize this definition using indicators of the extent to which integrated efforts are implemented in an organization. Methods Guided by the question, “How will we know it when we see it?” we reviewed relevant literature to identify available definitions and metrics, and used a modified-Delphi process to review and refine indicators and measures of integrated approaches. Results A definition of integrated approaches to worker health is proposed and accompanied by indicators and measures that may be used by researchers, employers and workers. Conclusions A shared understanding of what is meant by integrated approaches to protect and promote worker health has the potential to improve dialogue among researchers and facilitate the research-to-practice process. PMID:24284762

Occupational health scenario of Indian informal sector

PubMed Central

NAG, Anjali; VYAS, Heer; NAG, Pranab

2016-01-01

Workers in the Indian informal sector are engaged with different occupations. These occupations involve varied work related hazards. These occupational hazards are a consequent risk to health. The study aimed to determine occupational health scenario in the Indian Informal sector. One thousand eleven hundred twenty two workers from five different occupations namely weaving (handloom and power loom), construction, transportation, tobacco processing and fish processing were assessed by interviewer administered health questionnaire. Workers suffered from musculo-skeletal complaints, respiratory health hazards, eye problems and skin related complaints. There was a high prevalence of self-reported occupational health problems in the selected sectors. The study finds that workers have occupational exposures to multiple hazards. The absence of protective guards aggrevate their health condition. The study attempts to draws an immediate attention on the existing health scenario of the Indian Informal sector. PMID:26903262

Occupational health scenario of Indian informal sector.

PubMed

Nag, Anjali; Vyas, Heer; Nag, Pranab

2016-08-05

Workers in the Indian informal sector are engaged with different occupations. These occupations involve varied work related hazards. These occupational hazards are a consequent risk to health. The study aimed to determine occupational health scenario in the Indian Informal sector. One thousand eleven hundred twenty two workers from five different occupations namely weaving (handloom and power loom), construction, transportation, tobacco processing and fish processing were assessed by interviewer administered health questionnaire. Workers suffered from musculo-skeletal complaints, respiratory health hazards, eye problems and skin related complaints. There was a high prevalence of self-reported occupational health problems in the selected sectors. The study finds that workers have occupational exposures to multiple hazards. The absence of protective guards aggrevate their health condition. The study attempts to draws an immediate attention on the existing health scenario of the Indian Informal sector.

Applying the Precaution Adoption Process Model to the Acceptance of Mine Safety and Health Technologies.

PubMed

Haas, Emily J

2018-03-01

Mineworkers are continually introduced to protective technologies on the job. Yet, their perceptions toward the technologies are often not addressed until they are actively trying to use them, which may halt safe technology adoption and associated work practices. This study explored management and worker perspectives toward three technologies to forecast adoption and behavioral intention on the job. Interviews and focus groups were conducted with 21 mineworkers and 19 mine managers to determine the adoption process stage algorithm for workers and managers, including perceived barriers to using new safety and health technologies. Differences between workers and managers were revealed in terms of readiness, perceptions, and initial trust in using technologies. Workers, whether they had or had not used a particular technology, still had negative perceptions toward its use in the initial introduction and integration at their mine site, indicating a lengthy time period needed for full adoption. The key finding from these results is that a carefully considered and extended introduction of technology for workers in Stage 3 (undecided to act) is most important to promote progression to Stage 5 (decided to act) and to avoid Stage 4 (decided not to act). In response, organizational management may need to account for workers' particular stage algorithm, using the Precaution Adoption Process Model, to understand how to tailor messages about protective technologies, administer skill-based trainings and interventions that raise awareness and knowledge, and ultimately encourage safe adoption of associated work practices.

Nurse practitioners as attending providers for workers with uncomplicated back injuries: using administrative data to evaluate quality and process of care.

PubMed

Sears, Jeanne M; Wickizer, Thomas M; Franklin, Gary M; Cheadle, Allen D; Berkowitz, Bobbie

2007-08-01

The objectives of this study were 1) to identify quality and process of care indicators available in administrative workers' compensation data and to document their association with work disability outcomes, and 2) to use these indicators to assess whether nurse practitioners (NPs), recently authorized to serve as attending providers for injured workers in Washington State, performed differently than did primary care physicians (PCPs). Quality and process of care indicators for NP and PCP back injury claims from Washington State were compared using direct standardization and logistic regression. This study found little evidence of differences between NP and PCP claims in case mix or quality of care. The process of care indicators that we identified were highly associated with the duration of work disability and have potential for further development to assess and promote quality improvement.

The effect of sleep on item recognition and source memory recollection among shift-workers and permanent day-workers.

PubMed

Mawdsley, Matthew; Grasby, Katrina; Talk, Andrew

2014-10-01

We studied the effect of sleep versus wakefulness on item recognition and source memory recollection in a sample of shift-workers and permanent day-workers. Recognition of words that were previously viewed arrayed in quadrants of a page, and recollection of the original source location of the words on the page were assessed after a 12-h retention interval that was filled with wakefulness incorporating the subjects' work-shift, or an equal period that included sleep. Both shift-workers and permanent day-workers had poorer item recognition and source memory recollection when the retention interval was spent awake rather than including sleep. Shift-workers expressed larger deficits in performance than day-workers after wakefulness. This effect was not mediated by whether the shift-workers were on a day- or night-shift at the time of the study. These results indicate that sleep is an important contributor to successful item recognition and source recollection, and that mnemonic processing in shift-workers may be especially sensitive across their work-shift. © 2014 European Sleep Research Society.

Early-return-to-work in the context of an intensification of working life and changing employment relationships.

PubMed

Seing, Ida; MacEachen, Ellen; Ståhl, Christian; Ekberg, Kerstin

2015-03-01

Many Western welfare states have introduced early-return-to-work policies, in which getting sick-listed people back to work before they have fully recovered is presented as a rather unproblematic approach. This reflects a belief in the ability of employers and the labour market to solve sickness absence. Against this background, the aim of this study was to analyse return-to-work practice in local workplace contexts, in relation to Swedish early-return-to-work policy. Semi-structured interviews were conducted with 18 matched pairs of workers and managers. The material, comprising a total of 36 interviews, was analysed using qualitative content analysis. Three main themes were identified: (1) intensive workplaces and work conditions (2) employer support-a function of worker value and (3) work attachment and resistance to job transition. The results reflected the intensity of modern working life, which challenged return-to-work processes. Managers had different approaches to workers' return-to-work, depending on how they valued the worker. While managers used the discourse of 'new opportunities' and 'healthy change' to describe the transition process (e.g. relocation, unemployment and retirement), workers regularly experienced transitions as difficult and unjust. In the context of early-return-to-work policy and the intensity of modern working life, a great deal of responsibility was placed on workers to be adaptable to workplace demands in order to be able to return and stay at work. Overall, this study illustrates an emerging social climate where sick-listed workers are positioned as active agents who must take responsibility for sick leave and return-to-work process.

A Case of Occupational Asthma in a Plastic Injection Process Worker

PubMed Central

2013-01-01

Objectives We report a case of death due to asthma attack in a plastic injection process worker with a history of asthma. Methods To assess task relevance, personal history including occupational history and medical records were reviewed. Samples of the substances utilized in the injection process were collected by visiting the patient’s workplace. The work environment with the actual process was reproduced in the laboratory, and the released substances were evaluated. Results The medical records confirmed that the patient’s conventional asthma was in remission. The analysis of the resins discharged from the injection process simulation revealed styrene, which causes occupational asthma, and benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, and octadecyl ester. Even though it was not the case in the present study, various harmful substances capable of inducing asthma such as formaldehyde, acrolein, and acetic acid are released during resin processing. Conclusion A worker was likely to occur occupational asthma as a result of the exposure to the harmful substances generated during the plastic injection process. PMID:24472161

The emotional climate of care-giving in home-care services.

PubMed

Olsson, E; Ingvad, B

2001-11-01

The emotional aspects of the care-giving relationship in home-care services are studied, starting from the home-care recipients' and the home-care workers' perception of the emotional climate. Their experiences of the care-giving relationship and the influence from different aspects of the care-giving situation and social processes in the work organisation are explored. Two hundred and twenty-two recipients and their home-care workers in three typical Swedish municipalities were studied. The emotional climate is described with the help of a scale of 85 adjectives. Results show that home-care workers are more likely to experience the climate with a higher degree of emotionality. There is symmetry between the parties in the perception of a negative climate. However, if one party perceives the climate as close the other party is more likely to perceive it as rational or instrumental. The organisational processes, especially the group climate of the work team, principally influence the home-care recipients' perceptions. The workers' perceptions are principally influenced by age and gender of the recipients and the workers' own age. The emotional climate is constructed in a process between the parties, depending on their responses to each other. Tendencies to perceive a specific climate are strengthened or weakened by context variables and this in turn changes the care-giving interaction.

Changing gender roles and health impacts among female workers in export-processing industries in Sri Lanka.

PubMed

Attanapola, Chamila T

2004-06-01

Since the economic liberalization in 1977, a large number of Sri Lankan women have entered the labour market and engaged in income-generating activities. Some women choose to travel abroad as domestic workers, while others choose to work in export-processing industries. This process has a profound impact on gender and gender roles in Sri Lanka. Young rural women have changed their traditional women's roles to become independent daughters, efficient factory workers and partially modernized women. Even though changing gender roles are identified as a positive impact of industrial work, the new social, cultural, and legal environments of industrial work have negative impacts on these women's lives. This paper explores health impacts of changing gender roles and practices of young rural women, focusing on the experiences of female workers in export-processing industries. Further, it contributes to the literature on gender and health, and on qualitative approaches within health geographic studies. A model is formulated to suggest a conceptual framework for studying women's health. The model describes the determinant factors of individual health status based on the question of who (personal attributes) does what (type of work) where (place), when and how (behaviours). These are also determinant factors of gender and gender roles of a society. The three types of health problems (reproductive, productive and mental health) of a woman, in this case a female industrial worker, are determined by her gender roles and practices associated with these roles.

Serum neuron-specific enolase, biogenic amino-acids and neurobehavioral function in lead-exposed workers from lead-acid battery manufacturing process.

PubMed

Ravibabu, K; Barman, T; Rajmohan, H R

2015-01-01

The interaction between serum neuron-specific enolase (NSE), biogenic amino-acids and neurobehavioral function with blood lead levels in workers exposed to lead form lead-acid battery manufacturing process was not studied. To evaluate serum NSE and biogenic amino-acids (dopamine and serotonin) levels, and neurobehavioral performance among workers exposed to lead from lead-acid storage battery plant, and its relation with blood lead levels (BLLs). In a cross-sectional study, we performed biochemical and neurobehavioral function tests on 146 workers exposed to lead from lead-acid battery manufacturing process. BLLs were assessed by an atomic absorption spectrophotometer. Serum NSE, dopamine and serotonin were measured by ELISA. Neurobehavioral functions were assessed by CDC-recommended tests---simple reaction time (SRT), symbol digit substitution test (SDST), and serial digit learning test (SDLT). There was a significant correlation (r 0.199, p<0.05) between SDST and BLL. SDLT and SRT had also a significant positive correlation (r 0.238, p<0.01). NSE had a negative correlation (r -0.194, p<0.05) with serotonin level. Multiple linear regression analysis revealed that both SRT and SDST had positive significant associations with BLL. SRT also had a positive significant association with age. Serum NSE cannot be used as a marker for BLL. The only domain of neurobehavioral function tests that is affected by increased BLL in workers of lead-acid battery manufacturing process is that of the "attention and perception" (SDST).

Margin of manoeuvre indicators in the workplace during the rehabilitation process: a qualitative analysis.

PubMed

Durand, M J; Vézina, N; Baril, R; Loisel, P; Richard, M C; Ngomo, S

2009-06-01

The task of evaluating workers' capacity to return to their pre-injury employment or other jobs continues to pose a daily challenge for clinicians. In this study, a concept frequently used in the field of ergonomics, the margin of manoeuvre (MM), was applied during the rehabilitation process. The study identified the indicators of the MM taken into account during the return to work of workers with musculoskeletal disorders. This study used a multiple-case design. A case was defined as a dyad comprising a worker admitted to a work rehabilitation program and the clinician who was managing the return-to-work process. The results were then validated with investigators and expert ergonomists, through group interviews. Content analyses were performed using the conceptual framework for the work activity model adapted from Vézina and the procedures recommended by Miles and Huberman. A total of 11 workers, five clinicians, two experts and two investigators participated in this study. The interview analysis process resulted in a more detailed definition of the MM and the identification of 50 indicators. The indicators were classified according to six dimensions: (1) work context; (2) employer's requirements and expectations; (3) means and tools; (4) worker's personal parameters; (5) work activity; and (6) impacts of the work situation. The more specific indicators identified in this study will allow for more systematic observation of the MM. Subsequent studies will seek to link each indicator described in the model with a specific method of observation.

Central auditory processing effects induced by solvent exposure.

PubMed

Fuente, Adrian; McPherson, Bradley

2007-01-01

Various studies have demonstrated that organic solvent exposure may induce auditory damage. Studies conducted in workers occupationally exposed to solvents suggest, on the one hand, poorer hearing thresholds than in matched non-exposed workers, and on the other hand, central auditory damage due to solvent exposure. Taking into account the potential auditory damage induced by solvent exposure due to the neurotoxic properties of such substances, the present research aimed at studying the possible auditory processing disorder (APD), and possible hearing difficulties in daily life listening situations that solvent-exposed workers may acquire. Fifty workers exposed to a mixture of organic solvents (xylene, toluene, methyl ethyl ketone) and 50 non-exposed workers matched by age, gender and education were assessed. Only subjects with no history of ear infections, high blood pressure, kidney failure, metabolic and neurological diseases, or alcoholism were selected. The subjects had either normal hearing or sensorineural hearing loss, and normal tympanometric results. Hearing-in-noise (HINT), dichotic digit (DD), filtered speech (FS), pitch pattern sequence (PPS), and random gap detection (RGD) tests were carried out in the exposed and non-exposed groups. A self-report inventory of each subject's performance in daily life listening situations, the Amsterdam Inventory for Auditory Disability and Handicap, was also administered. Significant threshold differences between exposed and non-exposed workers were found at some of the hearing test frequencies, for both ears. However, exposed workers still presented normal hearing thresholds as a group (equal or better than 20 dB HL). Also, for the HINT, DD, PPS, FS and RGD tests, non-exposed workers obtained better results than exposed workers. Finally, solvent-exposed workers reported significantly more hearing complaints in daily life listening situations than non-exposed workers. It is concluded that subjects exposed to solvents may acquire an APD and thus the sole use of pure-tone audiometry is insufficient to assess hearing in solvent-exposed populations.

20 CFR 655.11 - Certifying officer review of prevailing wage determinations.

Code of Federal Regulations, 2010 CFR

2010-04-01

... LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process and... Nursing in the United States (H-2B Workers) § 655.11 Certifying officer review of prevailing wage...

A Comparison Study of Conjunctiva Disorders in Technical and Administrative Sawmill Workers in Nigeria

PubMed Central

Njinaka, Itiyafa; Uhumwangho, Odarosa M; Edema, Omolabake T; Dawodu, Oseluese A; Omoti, Afekhide E

2011-01-01

Background: Workers in the sawmilling industry are at risk of various ocular hazards as a direct result of the sawmilling processes. The aim of this study was to determine the pattern of conjunctival disorders between technical and administrative sawmill workers in Benin, Nigeria. Methods: A cross-sectional study was performed on sawmill workers in Benin, Nigeria, between January and May 2009, with the aid of pre-tested questionnaires. Ocular examination was performed on all subjects. Data obtained were recorded and analysed using SPSS version 13. Results: A total of 553 sawmill workers were studied, among whom 449 (81.2%) and 104 (18.8%) were technical and administrative workers, respectively. There were 496 (89.7%) males and 57 (10.3%) females. The age range was 15–80 years, with a mean of 38.9 years (SD 12.8). Pingueculum was found in 127 (23%) workers, among whom 122 (27.2%) were technical workers and 5 (4.8%) were administrative workers. Pterygium was present in 65 (11.8%) workers, among whom 64 (14.3%) were technical workers and 1 (1%) was an administrative worker. Seven (1.6%) technical workers used protective eyewear; 2 (0.4%) wore this protective eyewear regularly. Conclusion: Technical sawmill workers are at risk of developing conjunctival disorders, which result from chronic ocular irritation. This can be prevented by the provision of protective eye devices in the workplace. PMID:22135600

A comparison study of conjunctiva disorders in technical and administrative sawmill workers in Nigeria.

PubMed

Njinaka, Itiyafa; Uhumwangho, Odarosa M; Edema, Omolabake T; Dawodu, Oseluese A; Omoti, Afekhide E

2011-07-01

Workers in the sawmilling industry are at risk of various ocular hazards as a direct result of the sawmilling processes. The aim of this study was to determine the pattern of conjunctival disorders between technical and administrative sawmill workers in Benin, Nigeria. A cross-sectional study was performed on sawmill workers in Benin, Nigeria, between January and May 2009, with the aid of pre-tested questionnaires. Ocular examination was performed on all subjects. Data obtained were recorded and analysed using SPSS version 13. A total of 553 sawmill workers were studied, among whom 449 (81.2%) and 104 (18.8%) were technical and administrative workers, respectively. There were 496 (89.7%) males and 57 (10.3%) females. The age range was 15-80 years, with a mean of 38.9 years (SD 12.8). Pingueculum was found in 127 (23%) workers, among whom 122 (27.2%) were technical workers and 5 (4.8%) were administrative workers. Pterygium was present in 65 (11.8%) workers, among whom 64 (14.3%) were technical workers and 1 (1%) was an administrative worker. Seven (1.6%) technical workers used protective eyewear; 2 (0.4%) wore this protective eyewear regularly. Technical sawmill workers are at risk of developing conjunctival disorders, which result from chronic ocular irritation. This can be prevented by the provision of protective eye devices in the workplace.

Education and Gender Wage Differentials in Portugal: What Can We Learn from an Age Cohort Analysis?

ERIC Educational Resources Information Center

Gonzalez, Pilar; Santos, Luis Delfim; Santos, Maria Clementina

2009-01-01

Important changes characterize the recent evolution of the schooling of workers in Portugal. The purpose of this paper is to investigate the consequences of those changes in the gender wage gap. In particular, we analyze and compare the way that this process has evolved in the groups of young workers and older workers. Our findings suggest that…

The unhealthy physician

PubMed Central

Magnavita, Nicola

2007-01-01

Background Physicians, if affected by transmissible or impairing diseases, could be hazardous for third persons. Aim To solve the apparent chasm between patient's and sick worker's rights, a consensus‐building process leading to hospital‐wide policies is the better alternative to individual decision making. Conclusions Policies have to balance the rights of the sick worker, the right of the other workers, patients and customers, and society's expectations. PMID:17400618

Labor education programs in health and safety.

PubMed

Wallerstein, N; Baker, R

1994-01-01

Labor health and safety programs encourage workers to take an active part in making the workplace safe. The authors describe the growing need for preparing workers to participate in prevention efforts, the role of training in addressing this need, educational principles and traditions that contribute to empowerment education, and a step-by-step process that is required to achieve the goals of worker involvement and empowerment.

Encounters with Wisdom: A Case Study of Community Worker Reflection Circles in San Antonio, TX

ERIC Educational Resources Information Center

Arispe, Don D.

2013-01-01

This case study focuses upon the transformational experiences of 28 social service and pastoral workers engaged in a Reflection Circle Process (RCP) in San Antonio, TX. The RCP involves the writing of a holistic journal entry, known as a process note, coupled with an in-depth exploration of the note with the help of a group of trusted peers, known…

A case-control study of lung cancer among refinery workers.

PubMed

Rosamilia, K; Wong, O; Raabe, G K

1999-12-01

This case-control study examined the relationship between lung cancer and the work histories of male employees at a large Texas refinery. The study included 112 lung cancer deaths observed between 1946 and 1987 and 490 matched controls. Employment histories were obtained from personnel records, and smoking information was available from medical records. Both stratification methods and conditional logistic regression were used in data analyses. Overall employment in four general job categories (administrative, engineering/laboratory, process, maintenance/mechanical) was not associated with lung cancer mortality. Results by hire period (< 1940, 1940+) showed that workers hired into process jobs before 1940 had a nonsignificantly elevated odds ratio (OR) of 1.71 (95% confidence interval [CI] = 0.85-3.45) compared with nonprocess workers hired before 1940. Among process workers hired before 1940, there was a significant trend toward increasing OR with increasing duration of employment in process jobs, and the association with lung cancer was strongest among smokers in the highest duration category of 30+ years (OR = 2.98, 95% CI = 1.07-8.31). Latency analyses of process workers hired before 1940 indicated that their lung cancer risk had peaked between 30 and 50 years since first employment. Definitive statements about causal factors are limited because results among process workers were based on small numbers of subjects in some exposure categories, and there was no information on specific workplace exposures. The OR for maintenance/mechanical jobs after adjustment for smoking was 1.00 (95% CI = 0.55-1.82). Furthermore, there was no pattern in relation to duration of employment in maintenance/mechanical jobs. The results from this study do not support the hypothesis that work in maintenance/mechanical jobs increases lung cancer risk. On the basis of analyses in this study, it is unlikely that asbestos exposure contributed to excess lung cancer mortality. Additional analyses were conducted for specific maintenance jobs with potential exposure to asbestos and by duration in jobs with occasional or routine asbestos exposure. No significant increase in lung cancer was found in any subgroup. Furthermore, there was no significant trend toward lung cancer risk in relation to duration of employment in jobs with asbestos exposure.

Practice Evaluation Strategies Among Social Workers: Why an Evidence-Informed Dual-Process Theory Still Matters.

PubMed

Davis, Thomas D

2017-01-01

Practice evaluation strategies range in style from the formal-analytic tools of single-subject designs, rapid assessment instruments, algorithmic steps in evidence-informed practice, and computer software applications, to the informal-interactive tools of clinical supervision, consultation with colleagues, use of client feedback, and clinical experience. The purpose of this article is to provide practice researchers in social work with an evidence-informed theory that is capable of explaining both how and why social workers use practice evaluation strategies to self-monitor the effectiveness of their interventions in terms of client change. The author delineates the theoretical contours and consequences of what is called dual-process theory. Drawing on evidence-informed advances in the cognitive and social neurosciences, the author identifies among everyday social workers a theoretically stable, informal-interactive tool preference that is a cognitively necessary, sufficient, and stand-alone preference that requires neither the supplementation nor balance of formal-analytic tools. The author's delineation of dual-process theory represents a theoretical contribution in the century-old attempt to understand how and why social workers evaluate their practice the way they do.

Changes in outdoor workers' sun-related attitudes, beliefs, and behaviors: a pre-post workplace intervention.

PubMed

Rye, Sheree; Janda, Monika; Stoneham, Melissa; Crane, Phil; Sendall, Marguerite; Youl, Philippa; Tenkate, Thomas; Baldwin, Louise; Perina, Heather; Finch, Linda; Kimlin, Michael

2014-09-01

To evaluate changes in outdoor workers' sun-related attitudes, beliefs, and behaviors in response to a health promotion intervention using a participatory action research process. Fourteen workplaces across four outdoor industry types worked collaboratively with the project team to develop tailored sun protection action plans. Workers were assessed before and after the 18-month intervention. Outdoor workers reported increases in workplace support for sun protection (P < 0.01) and personal use of sun protection (P < 0.01). More workers reported seeking natural shade (+20%) and wearing more personal protective equipment, including broad-brimmed hats (+25%), long-sleeved collared shirts (+19%), and long trousers (+16%). The proportion of workers reporting sunburn over the past 12 months was lower at postintervention (-14%) (P = 0.03); however, the intensity of reported sunburn increased. This intervention was successful in increasing workers' sun protective attitudes, beliefs, and behaviors.

Building a human rights framework for workers' compensation in the United States: opening the debate on first principles.

PubMed

Hilgert, Jeffrey A

2012-06-01

This article introduces the idea of human rights to the topic of workers' compensation in the United States. It discusses what constitutes a human rights approach and explains how this approach conflicts with those policy ideas that have provided the foundation historically for workers' compensation in the United States. Using legal and historical research, key international labor and human rights standards on employment injury benefits and influential writings in the development of the U.S. workers' compensation system are cited. Workers' injury and illness compensation in the United States does not conform to basic international human rights norms. A comprehensive review of the U.S. workers' compensation system under international human rights standards is needed. Examples of policy changes are highlighted that would begin the process of moving workers' compensation into conformity with human rights standards. Copyright © 2012 Wiley Periodicals, Inc.

Contextual influences on health worker motivation in district hospitals in Kenya

PubMed Central

Mbindyo, Patrick; Gilson, Lucy; Blaauw, Duane; English, Mike

2009-01-01

Background Organizational factors are considered to be an important influence on health workers' uptake of interventions that improve their practices. These are additionally influenced by factors operating at individual and broader health system levels. We sought to explore contextual influences on worker motivation, a factor that may modify the effect of an intervention aimed at changing clinical practices in Kenyan hospitals. Methods Franco LM, et al's (Health sector reform and public sector health worker motivation: a conceptual framework. Soc Sci Med. 2002, 54: 1255–66) model of motivational influences was used to frame the study Qualitative methods including individual in-depth interviews, small-group interviews and focus group discussions were used to gather data from 185 health workers during one-week visits to each of eight district hospitals. Data were collected prior to a planned intervention aiming to implement new practice guidelines and improve quality of care. Additionally, on-site observations of routine health worker behaviour in the study sites were used to inform analyses. Results Study settings are likely to have important influences on worker motivation. Effective management at hospital level may create an enabling working environment modifying the impact of resource shortfalls. Supportive leadership may foster good working relationships between cadres, improve motivation through provision of local incentives and appropriately handle workers' expectations in terms of promotions, performance appraisal processes, and good communication. Such organisational attributes may counteract de-motivating factors at a national level, such as poor schemes of service, and enhance personally motivating factors such as the desire to maintain professional standards. Conclusion Motivation is likely to influence powerfully any attempts to change or improve health worker and hospital practices. Some factors influencing motivation may themselves be influenced by the processes chosen to implement change. PMID:19627590

Restructuring of a Textile Manufacturing Company and Workers' Health.

PubMed

Draksler, Katja; Dernovšček Hafner, Nataša; Arnerić, Niko; Dodič Fikfak, Metoda

2018-05-01

Organizational restructuring is associated with greater mortality and morbidity of the workers affected by it. We examined the quality of workers' health at a textile manufacturing company after restructuring, comparing three groups of workers: workers who remained (survivors), workers who lost their jobs and later found new jobs (the reemployed), and unemployed workers. A total of 1046 workers participated in a telephonic survey. The data were processed using SPSS and the R package version 1.2 of prLogistic. The differences between groups were calculated using the chi-square test and adjusted prevalence ratios. The comparison between the three groups shows significantly poorer mental health of the unemployed, who more often than survivors and the reemployed reported depression, as well as significant differences in elevated blood pressure, cholesterol level, and cardiac disorders. The reemployed, who were nonetheless in better health compared to the unemployed, reported poor mental health or depression more often in comparison to survivors. Higher morbidity of the unemployed and reemployed could be influenced by numerous factors associated with restructuring.

Were Workers of Eusocial Hymenoptera Initially Altruistic or Oppressed?*

PubMed Central

Michener, Charles D.; Brothers, Denis J.

1974-01-01

Studies of a primitively eusocial halictid bee, Lasioglossum zephyrum, strongly suggest that a major factor in originating a worker caste is selection at the individual level for queens that control associated adult females. Even in this scarcely social form, the queen inhibits other adult females from becoming queens, perhaps by her high level of activity and frequent nudging in the nest. Queens are behaviorally less varied than workers and show specialization, particularly in frequency of nudging (which is concentrated on the worker with largest ovaries) and of backing. Backing draws workers, especially those with slender ovaries, down to lower parts of the burrows where the stimuli for cell construction and provisioning probably operate. Eating of worker-laid eggs by queens was also noted. In spite of the suggestion that queens have evolved to control their workers rather than that workers have evolved to help their queens, both may well have occurred, for these processes are not mutually exclusive; moreover, social attributes mutually beneficial to both castes no doubt have arisen. PMID:16592144

Study of skin and mucous membrane disorders among workers engaged in the sodium dichromate manufacturing industry and chrome plating industry.

PubMed

Singhal, Vijay Kumar; Deswal, Balbir Singh; Singh, Bachu Narayan

2015-01-01

Inhalation of dusts and fumes arising during the manufacture of sodium dichromate from chrome ore, chromic acid mist emitted during electroplating, and skin contact with chromate produce hazards to workers. (1) To elucidate the prevalence of skin and mucous membrane disorders among the workers engaged in the sodium dichromate manufacturing industry and chrome plating industry. (2) To know the relationship of prevalence with the duration of exposure to chrome mist, dust, and fumes. A cross-sectional study was conducted among all the workers engaged in sodium dichromate manufacturing and chrome plating from several industries situated near the Delhi-Haryana border in the districts of Faridabad and Sonepat of Haryana, India from January 01, 2014 to December 31, 2014. All the workers available from the concerned industries for the study were interviewed and medically examined after obtaining their informed consent. A total of 130 workers comprising 66 workers from the sodium dichromate manufacturing industry and 64 workers from the chrome plating industry were examined on a pretested schedule. Descriptive statistical methods (proportions, relative risk, and Chi-square test of significance with P value analyzed using Epi Info version 7). All the workers were found to be males and of the adult age group. Out of the total examined, 69.69% and 56.22% of the workers had disorders of the nasal mucous membrane in the sodium dichromate manufacturing industry and the chrome plating industry, respectively. 42.42% and 28.22% of the workers had perforation of the nasal septum in the sodium dichromate manufacturing industry and chrome plating industry, respectively. 6.06% and 3.12% workers had skin ulcers in the sodium dichromate manufacturing industry and chrome plating industry, respectively. Nasal irritation and rhinorrhea were the most commonly found symptoms in both the processes. 48.48% and 90.52% of the workers were using hand gloves in the sodium dichromate manufacturing and chrome plating industry, respectively. Only 27.27% and 37.50% of the workers were using masks in the sodium dichromate manufacturing industry and chrome plating industry, respectively. No worker was using protective clothing or barrier cream in the sodium dichromate manufacturing industry. 40.65% and 12.50% workers were using protective clothing and barrier cream in the chrome plating industry. Workers engaged in sodium dichromate manufacturing and chrome plating are at a great risk of skin and mucous membrane disorders including chrome holes and nasal septum perforation. Protective measures and awareness of the management and workers about the exposure hazards and safeguarding against them will be useful public measures to prevent these occupational hazards among workers engaged in these processes.

Study of skin and mucous membrane disorders among workers engaged in the sodium dichromate manufacturing industry and chrome plating industry

PubMed Central

Singhal, Vijay Kumar; Deswal, Balbir Singh; Singh, Bachu Narayan

2015-01-01

Background: Inhalation of dusts and fumes arising during the manufacture of sodium dichromate from chrome ore, chromic acid mist emitted during electroplating, and skin contact with chromate produce hazards to workers. Objectives: (1) To elucidate the prevalence of skin and mucous membrane disorders among the workers engaged in the sodium dichromate manufacturing industry and chrome plating industry. (2) To know the relationship of prevalence with the duration of exposure to chrome mist, dust, and fumes. Settings and Design: A cross-sectional study was conducted among all the workers engaged in sodium dichromate manufacturing and chrome plating from several industries situated near the Delhi-Haryana border in the districts of Faridabad and Sonepat of Haryana, India from January 01, 2014 to December 31, 2014. Materials and Methods: All the workers available from the concerned industries for the study were interviewed and medically examined after obtaining their informed consent. A total of 130 workers comprising 66 workers from the sodium dichromate manufacturing industry and 64 workers from the chrome plating industry were examined on a pretested schedule. Statistical Analysis: Descriptive statistical methods (proportions, relative risk, and Chi-square test of significance with P value analyzed using Epi Info version 7). Results: All the workers were found to be males and of the adult age group. Out of the total examined, 69.69% and 56.22% of the workers had disorders of the nasal mucous membrane in the sodium dichromate manufacturing industry and the chrome plating industry, respectively. 42.42% and 28.22% of the workers had perforation of the nasal septum in the sodium dichromate manufacturing industry and chrome plating industry, respectively. 6.06% and 3.12% workers had skin ulcers in the sodium dichromate manufacturing industry and chrome plating industry, respectively. Nasal irritation and rhinorrhea were the most commonly found symptoms in both the processes. 48.48% and 90.52% of the workers were using hand gloves in the sodium dichromate manufacturing and chrome plating industry, respectively. Only 27.27% and 37.50% of the workers were using masks in the sodium dichromate manufacturing industry and chrome plating industry, respectively. No worker was using protective clothing or barrier cream in the sodium dichromate manufacturing industry. 40.65% and 12.50% workers were using protective clothing and barrier cream in the chrome plating industry. Conclusion: Workers engaged in sodium dichromate manufacturing and chrome plating are at a great risk of skin and mucous membrane disorders including chrome holes and nasal septum perforation. Protective measures and awareness of the management and workers about the exposure hazards and safeguarding against them will be useful public measures to prevent these occupational hazards among workers engaged in these processes. PMID:26957809

Fatal chlorine gas exposure at a metal recycling facility: Case report.

PubMed

Harvey, Robert R; Boylstein, Randy; McCullough, Joel; Shumate, Alice; Yeoman, Kristin; Bailey, Rachel L; Cummings, Kristin J

2018-06-01

At least four workers at a metal recycling facility were hospitalized and one died after exposure to chlorine gas when it was accidentally released from an intact, closed-valved cylinder being processed for scrap metal. This unintentional chlorine gas release marks at least the third such incident at a metal recycling facility in the United States since 2010. We describe the fatal case of the worker whose clinical course was consistent with acute respiratory distress syndrome (ARDS) following exposure to high concentrations of chlorine gas. This case report emphasizes the potential risk of chlorine gas exposure to metal recycling workers by accepting and processing intact, closed-valved containers. The metal recycling industry should take steps to increase awareness of this established risk to prevent future chlorine gas releases. Additionally, public health practitioners and clinicians should be aware that metal recycling workers are at risk for chlorine gas exposure. © 2018 Wiley Periodicals, Inc.

Intervention mapping for development of a participatory return-to-work intervention for temporary agency workers and unemployed workers sick-listed due to musculoskeletal disorders

PubMed Central

Vermeulen, Sylvia J; Anema, Johannes R; Schellart, Antonius JM; van Mechelen, Willem; van der Beek, Allard J

2009-01-01

Background In the past decade in activities aiming at return-to-work (RTW), there has been a growing awareness to change the focus from sickness and work disability to recovery and work ability. To date, this process in occupational health care (OHC) has mainly been directed towards employees. However, within the working population there are two vulnerable groups: temporary agency workers and unemployed workers, since they have no workplace/employer to return to, when sick-listed. For this group there is a need for tailored RTW strategies and interventions. Therefore, this paper aims to describe the structured and stepwise process of development, implementation and evaluation of a theory- and practise-based participatory RTW program for temporary agency workers and unemployed workers, sick-listed due to musculoskeletal disorders (MSD). This program is based on the already developed and cost-effective RTW program for employees, sick-listed due to low back pain. Methods The Intervention Mapping (IM) protocol was used to develop a tailor-made RTW program for temporary agency workers and unemployed workers, sick-listed due to MSD. The Attitude-Social influence-self-Efficacy (ASE) model was used as a theoretical framework for determinants of behaviour regarding RTW of the sick-listed worker and development of the intervention. To ensure participation and facilitate successful adoption and implementation, important stakeholders were involved in all steps of program development and implementation. Results of semi-structured interviews and 'fine-tuning' meetings were used to design the final participatory RTW program. Results A structured stepwise RTW program was developed, aimed at making a consensus-based RTW implementation plan. The new program starts with identifying obstacles for RTW, followed by a brainstorm session in which the sick-listed worker and the labour expert of the Social Security Agency (SSA) formulate solutions/possibilities for suitable (therapeutic) work. This process is guided by an independent RTW coordinator to achieve consensus. Based on the resulting RTW implementation plan, to create an actual RTW perspective, a vocational rehabilitation agency is assigned to find a matching (therapeutic) workplace. The cost-effectiveness of this participatory RTW program will be evaluated in a randomised controlled trial. Conclusion IM is a promising tool for the development of tailor-made OHC interventions for the vulnerable working population. PMID:19573229

Study of the effectiveness of a participatory ergonomics intervention in reducing worker pain severity through physical exposure pathways.

PubMed

Laing, Andrew C; Frazer, Mardon B; Cole, Donald C; Kerr, Mickey S; Wells, Richard P; Norman, Robert W

2005-02-01

A participatory ergonomics programme was implemented in an automotive parts manufacturing factory. An ergonomics change team was formed composed of members from management and the organized labour union. It was hypothesized that the physical change projects implemented as part of this process would result in decreased worker exposures to peak and cumulative physical demands and reduced worker perceptions of physical effort and pain severity. A quasi-experimental design was employed, utilizing a sister plant in the corporation as a referent group. A longitudinal questionnaire approach was used to document pre-post changes in worker perceptions. In general, the physical change projects were rated as improvements by workers and were successful at reducing peak and/or cumulative mechanical exposures. However, there were few systematic changes in perceived effort or pain severity levels. Explanations include the confounding effects of differential production rate and staffing changes at the intervention and referent plants and/or insufficient overall intervention intensity due to a relatively short intervention period, plant and team ambivalence towards the process and the low overall impact on exposure of the particular changes implemented.

Application of bacteriophages to reduce Salmonella contamination on workers' boots in rendering-processing environment.

PubMed

Gong, C; Jiang, X; Wang, J

2017-10-01

Workers' boots are considered one of the re-contamination routes of Salmonella for rendered meals in the rendering-processing environment. This study was conducted to evaluate the efficacy of a bacteriophage cocktail for reducing Salmonella on workers' boots and ultimately for preventing Salmonella re-contamination of rendered meals. Under laboratory conditions, biofilms of Salmonella Typhimurium avirulent strain 8243 formed on rubber templates or boots were treated with a bacteriophage cocktail of 6 strains (ca. 9 log PFU/mL) for 6 h at room temperature. Bacteriophage treatments combined with sodium hypochlorite (400 ppm) or 30-second brush scrubbing also were investigated for a synergistic effect on reducing Salmonella biofilms. Sodium magnesium (SM) buffer and sodium hypochlorite (400 ppm) were used as controls. To reduce indigenous Salmonella on workers' boots, a field study was conducted to apply a bacteriophage cocktail and other combined treatments 3 times within one wk in a rendering-processing environment. Prior to and after bacteriophage treatments, Salmonella populations on the soles of rubber boots were swabbed and enumerated on XLT-4, Miller-Mallinson or CHROMagar™ plates. Under laboratory conditions, Salmonella biofilms formed on rubber templates and boots were reduced by 95.1 to 99.999% and 91.5 to 99.2%, respectively. In a rendering-processing environment (ave. temperature: 19.3°C; ave. relative humidity: 48%), indigenous Salmonella populations on workers' boots were reduced by 84.2, 92.9, and 93.2% after being treated with bacteriophages alone, bacteriophages + sodium hypochlorite, and bacteriophages + scrubbing for one wk, respectively. Our results demonstrated the effectiveness of bacteriophage treatments in reducing Salmonella contamination on the boots in both laboratory and the rendering-processing environment. © 2017 Poultry Science Association Inc.

Agricultural health and safety: incorporating the worker perspective.

PubMed

Liebman, Amy K; Augustave, Wilson

2010-07-01

This commentary offers a worker's perspective on agricultural health and safety and describes (1) the historical exemption of agriculture from regulatory oversight and barriers encountered due to lack of regulations and poor enforcement of the existing standards; (2) the effect of immigration status on worker protections; and (3) the basic desire for economic survival and how this impacts worker health and safety. The commentary describes two models to reduce hazards at work that illustrate how workers' perspectives can be incorporated successfully at the policy level and during the intervention development process and puts forth recommendations for employers, researchers, and funding agencies to facilitate the integration of workers' perspectives into occupational health and safety in agriculture. Ultimately, improved worker protection requires systemic policy and regulatory changes as well as strong enforcement of existing regulations. This commentary summarizes the presentation, "Ground View: Perspectives of Hired Workers," at the Agricultural Safety and Health Council of America/National Institute for Occupational Safety and Health conference, "Be Safe, Be Profitable: Protecting Workers in Agriculture," January 27-28, 2010, Dallas/Fort Worth, Texas.

Introducing peer worker roles into UK mental health service teams: a qualitative analysis of the organisational benefits and challenges

PubMed Central

2013-01-01

Background The provision of peer support as a component of mental health care, including the employment of Peer Workers (consumer-providers) by mental health service organisations, is increasingly common internationally. Peer support is strongly advocated as a strategy in a number of UK health and social care policies. Approaches to employing Peer Workers are proliferating. There is evidence to suggest that Peer Worker-based interventions reduce psychiatric inpatient admission and increase service user (consumer) empowerment. In this paper we seek to address a gap in the empirical literature in understanding the organisational challenges and benefits of introducing Peer Worker roles into mental health service teams. Methods We report the secondary analysis of qualitative interview data from service users, Peer Workers, non-peer staff and managers of three innovative interventions in a study about mental health self-care. Relevant data was extracted from interviews with 41 participants and subjected to analysis using Grounded Theory techniques. Organisational research literature on role adoption framed the analysis. Results Peer Workers were highly valued by mental health teams and service users. Non-peer team members and managers worked hard to introduce Peer Workers into teams. Our cases were projects in development and there was learning from the evolutionary process: in the absence of formal recruitment processes for Peer Workers, differences in expectations of the Peer Worker role can emerge at the selection stage; flexible working arrangements for Peer Workers can have the unintended effect of perpetuating hierarchies within teams; the maintenance of protective practice boundaries through supervision and training can militate against the emergence of a distinctive body of peer practice; lack of consensus around what constitutes peer practice can result in feelings for Peer Workers of inequality, disempowerment, uncertainty about identity and of being under-supported. Conclusions This research is indicative of potential benefits for mental health service teams of introducing Peer Worker roles. Analysis also suggests that if the emergence of a distinctive body of peer practice is not adequately considered and supported, as integral to the development of new Peer Worker roles, there is a risk that the potential impact of any emerging role will be constrained and diluted. PMID:23705767

The ideal of consumer choice in social services: challenges with implementation in an Ontario injured worker vocational retraining programme.

PubMed

Maceachen, Ellen; Kosny, Agnieszka; Ferrier, Sue; Lippel, Katherine; Neilson, Cynthia; Franche, Renee-Louise; Pugliese, Diana

2013-01-01

Social service programmes that offer consumer choices are intended to guide service efficiency and customer satisfaction. However, little is known about how social service consumers actually make choices and how providers deliver such services. This article details the practical implementation of consumer choice in a Canadian workers' compensation vocational retraining programme. Discourse analysis was conducted of in-depth interviews and focus groups with 71 injured workers and service providers, who discussed their direct experience of a vocational retraining system. Data also included procedural, policy and administrative documents. Consumer choice included workers being offered choices about some service aspects, but not being able to exercise meaningful discretion. Programme cost objectives and restrictive rules and bureaucracy skewed the guidance provided to workers by service providers. If workers did not make the "right" choices, then the service providers were required to make choices for them. This upset workers and created tension for service providers. The ideal of consumer choice in a social service programme was difficult to enact, both for workers and service providers. Processes to increase quality of guidance to social service consumers and to create a systematic feedback look between system designers and consumers are recommended. Implications for Rehabilitation Consumer choice is an increasingly popular concept in social service systems. Vocational case managers can have their own administrative needs and tensions, which do not always align with the client's choices. Rehabilitation programmes need to have processes for considering what choices are important to clients and the resources to support them.

Constructing a positive identity: A qualitative study of the driving forces of peer workers in mental health-care systems.

PubMed

Vandewalle, Joeri; Debyser, Bart; Beeckman, Dimitri; Vandecasteele, Tina; Deproost, Eddy; Van Hecke, Ann; Verhaeghe, Sofie

2018-02-01

There is growing recognition in mental health for the perspective of individuals with lived experience of mental health problems and mental health service use. As peer workers, these individuals can use their specific experience to benefit and support peers and professional caregivers, and to participate at all levels of mental health-care systems. The aim of the present study was to develop a conceptual framework representing the driving forces of peer workers to fullfil their position in mental health-care systems. A qualitative interview approach was employed using principles of grounded theory. Over a period of 5 months in 2014-2015, semistructured interviews were conducted with 14 peer workers in residential and community mental health-care systems. The emerged conceptual framework reveals that peer workers strive towards constructing a positive identity. This process is powered by driving forces reflecting a desire for normalization and an urge for self-preservation. Peer workers realize a meaningful employment by using their lived experience perspective as an asset, liberating themselves out of restrictive role patterns, and by breaking down stigma and taboo. As a precondition to engage in these normalization processes, peer workers perceive they need to secure their self-preservation by balancing the emergence of adverse emotional fluctuations. The conceptual framework can inform the development of work contexts in which peer workers have an authentic and meaningful contribution, while being offered sufficient support and learning opportunities to manage their well-being. © 2017 Australian College of Mental Health Nurses Inc.

Relationship between sleeping on the night shift and recovery from work among nursing workers - the influence of domestic work.

PubMed

Silva-Costa, Aline; Rotenberg, Lúcia; Griep, Rosane Harter; Fischer, Frida Marina

2011-05-01

This paper is a report of a study on the association between sleep patterns during work nights and recovery from work among nursing workers, considering domestic work hours. Several hospitals allow nursing workers to sleep during the night shift, but this is rarely evaluated from the workers' health perspective. The need for recovery from work concept can be useful for testing the impact of night work on sleep. Recovery is not a problem if workers have enough time to recover between periods of work. Therefore, domestic work would be likely to interfere in the recovery process. This cross-sectional study was carried out at three hospitals in 2005-2006, through a comprehensive questionnaire. All nursing teams engaged in assistance to patients were invited to participate. Analyses included female night workers with no incidence of insomnia. Participants (n = 396) were classified into those who did not sleep during night shifts, those who slept for up to 2 hours and those who slept for 2-3 hours. Binomial logistic regression analysis showed that sleeping on the job for 2-3 hours during night shifts is related to a better recovery from work provided the workers do not undergo long domestic work hours. Being allowed to sleep at work during night shifts seemed to contribute to, but was not enough to guarantee, a good recovery from work in the studied population. Recommendations to deal with sleep-deprivation among night workers should consider the complexity of gender roles on the recovery process. © 2011 Blackwell Publishing Ltd.

Perspectives of US Direct Care Workers on the Grief Process of Persons with Intellectual and Developmental Disabilities: Implications for Practice.

PubMed

Gray, Jennifer A; Abendroth, Maryann

2016-09-01

The study explored the grief process of persons with intellectual and developmental disabilities (PWIDDs) as perceived by direct care workers (DCWs) and how such workers can guide and support PWIDDs experiencing grief. A thematic analysis approach was used to examine data from nine focus groups with 60 DCWs from five community-based organizations. Findings were supported in the context of seminal grief and bereavement theories. Three themes (i.e. reactions to loss, processing the loss and incorporating the loss) and related subthemes emerged from the data. PWIDDs are susceptible to traumatic grief, and DCWs are often key witnesses to such experiences. DCWs' perspectives can guide the development of grief and bereavement training which can lead to more tailored support systems. © 2015 John Wiley & Sons Ltd.

The road to GHS: worker right-to-know in the 21st century.

PubMed

Karstadt, Myra L

2012-01-01

Of the three communications standards discussed, HI is definitely the outlier, as it emphasizes worker control of the process of identifying hazard and deemphasizes employer control of identification of hazards and dissemination of hazard information. GHS may not be as protective of American workers as HazCom is, but for workers in less-developed countries, where regulation of workplace health and safety is less strong than in the United States, Canada, many countries in Europe, and Japan, GHS--if adequately enforced-will likely represent an improvement in information on chemical hazards in the workplace. American workers may well see a decline in workplace protection against chemical hazards while protection may improve for workers in less-developed countries. This trade-off is part of the ongoing debate about globalization, of which worker protection from chemical hazards should be an important aspect. The next paper in this series will compare the proposed and final versions of GHS, and will discuss possible improvements to GHS to better serve American workers. As OSHA moves forward with the GHS rule, people and organizations concerned with worker right-to-know should consider possible improvements to GHS to better serve workers in the United States and worldwide.

Occupational Exposure to Trichloroethylene and Serum Concentrations of IL-6, IL-10, and TNF-alpha

PubMed Central

Bassig, Bryan A.; Zhang, Luoping; Tang, Xiaojiang; Vermeulen, Roel; Shen, Min; Smith, Martyn T.; Qiu, Chuangyi; Ge, Yichen; Ji, Zhiying; Reiss, Boris; Hosgood, H. Dean; Liu, Songwang; Bagni, Rachel; Guo, Weihong; Purdue, Mark; Hu, Wei; Yue, Fei; Li, Laiyu; Huang, Hanlin; Rothman, Nathaniel; Lan, Qing

2015-01-01

To evaluate the immunotoxicity of trichloroethylene (TCE), we conducted a cross-sectional molecular epidemiology study in China of workers exposed to TCE. We measured serum levels of IL-6, IL-10, and TNF-α, which play a critical role in regulating various components of the immune system, in 71 exposed workers and 78 unexposed control workers. Repeated personal exposure measurements were taken in workers before blood collection using 3 M organic vapor monitoring badges. Compared to unexposed workers, the serum concentration of IL-10 in workers exposed to TCE was decreased by 70% (P = 0.001) after adjusting for potential confounders. Further, the magnitude of decline in IL-10 was >60% and statistically significant in workers exposed to <12 ppm as well as in workers with exposures ≥ 12 ppm of TCE, compared to unexposed workers. No significant differences in levels of IL-6 or TNF-α were observed among workers exposed to TCE compared to unexposed controls. Given that IL-10 plays an important role in immunologic processes, including mediating the Th1/Th2 balance, our findings provide additional evidence that TCE is immunotoxic in humans. PMID:23798002

Mortality among workers in a nickel refinery and alloy manufacturing plant in West Virginia.

PubMed

Enterline, P E; Marsh, G M

1982-06-01

Workers from a nickel refinery at Huntington, W. Va., which received a nickel matte from smelters in Ontario, Canada, during 1922-47 were studied for excesses in sinonasal and lung cancers. Other workers who were in a nickel alloy production plant operated in conjunction with the refinery but who did not work in the refinery were also studied. Evidence is presented on the existence of a nasal cancer hazard and possibly a lung cancer hazard among workers employed in the nickel refinery. Two of these workers developed a sinonasal cancer. Evidence of a respiratory cancer hazard in other parts of the plant before or after 1947 is weak, and the observed results could be due to chance variations from the mortality experience of the standard reference populations. Among nonrefinery workers hired while the nickel refinery was in operation, 2 employees had a probable sinonasal cancer. The first employee worked in a high-temperature conversion process where nickel carbonate was decomposed to nickel oxide, and the second employee is believed to have done maintenance work in the plant where this process was used. For both cohorts combined there were slight overall excesses in lung, stomach, and prostate cancers with some evidence of a dose-response relationship for these cancers.

20 CFR 655.151 - Newspaper advertisements.

Code of Federal Regulations, 2011 CFR

2011-04-01

....151 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Post-Acceptance Requirements § 655.151 Newspaper...

20 CFR 655.160 - Determinations.

Code of Federal Regulations, 2010 CFR

2010-04-01

... Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Labor Certification Determinations § 655.160 Determinations. Except...

20 CFR 655.160 - Determinations.

Code of Federal Regulations, 2011 CFR

2011-04-01

... Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Labor Certification Determinations § 655.160 Determinations. Except...

[Processes of adaptogenesis and heart remodelling in workers of electrolysis workshops in aluminum plants].

PubMed

Khasanova, G N; Oranskiĭ, I E; Roslaia, N A

2010-01-01

Workers in electrolysis workshops of aluminium plants demonstrate changes in intracardial hemodynamics and left ventricle diastolic function, heart remodelling to concentric and excentric hypertrophy, more in individuals with chronic occupational fluorine intoxication.

Improving occupational health care for construction workers: a process evaluation

PubMed Central

2013-01-01

Background To evaluate the process of a job-specific workers’ health surveillance (WHS) in improving occupational health care for construction workers. Methods From January to July 2012 were 899 bricklayers and supervisors invited for the job-specific WHS at three locations of one occupational health service throughout the Netherlands. The intervention aimed at detecting signs of work-related health problems, reduced work capacity and/or reduced work functioning. Measurements were obtained using a recruitment record and questionnaires at baseline and follow-up. The process evaluation included the following: reach (attendance rate), intervention dose delivered (provision of written recommendations and follow-up appointments), intervention dose received (intention to follow-up on advice directly after WHS and remembrance of advice three months later), and fidelity (protocol adherence). The workers scored their increase in knowledge from 0–10 with regard to health status and work ability, their satisfaction with the intervention and the perceived (future) effect of such an intervention. Program implementation was defined as the mean score of reach, fidelity, and intervention dose delivered and received. Results Reach was 9% (77 workers participated), fidelity was 67%, the intervention dose delivered was 92 and 63%, and the intervention dose received was 68 and 49%. The total programme implementation was 58%. The increases in knowledge regarding the health status and work ability of the workers after the WHS were graded as 7.0 and 5.9, respectively. The satisfaction of the workers with the entire intervention was graded as 7.5. The perceived (future) effects on health status were graded as 6.3, and the effects on work ability were graded with a 5.2. The economic recession affected the workers as well as the occupational health service that enacted the implementation. Conclusions Programme implementation was acceptable. Low reach, limited protocol adherence and modest engagement of the workers with respect to the intervention were the most prominent aspects that influenced the intervention process. The increase in the workers’ knowledge about their health status and work ability was substantial, and the workers’ satisfaction with the intervention was good. The perceived effect of the advised preventive actions on health status was sufficient. Trial registration Netherlands Trial Register: http://NTR3012 PMID:23497119

Process assessment of a peer education programme for HIV prevention among sex workers in Dhaka, Bangladesh : a social support framework.

PubMed

Sarafian, Isabelle

2012-08-01

This study evaluated the process of a peer education program for hotel-based sex workers in Dhaka, Bangladesh, with social support proposed as an organizing framework. Programme outcomes were examined through baseline and follow-up assessments. Sex workers naïve to peer education were assessed on socio-cognitive and behavioural variables; a subsample was reassessed at follow-up 23 weeks later on average. Process was assessed in terms of the content of peer education sessions. These sessions were recorded and coded into percentages of social support types provided by the peer educator to her audience: informational, instrumental, appraisal, emotional, companionship, non-support. Peer educators were classified into three "social support profiles" based on average proportions of emotional and informational support they provided. Seeing more peer educators with a high informational support profile was related to higher sex worker self-efficacy, self-reported STI symptoms, and self-reported condom use at follow-up; the same was true for the high emotional support profile and treatment seeking. Social support constituted a useful framework, but needs further exploration. This study provided a direct, in-depth examination of the process of peer education based on a comprehensive theoretical framework. Copyright © 2011 Elsevier Ltd. All rights reserved.

[Questionnaire about the intake of and hypersensitivity to fruits, vegetables and nuts including birch pollen related foods].

PubMed

Yamamoto, Tetsuo; Asakura, Kohji; Shirasaki, Hideaki; Himi, Tetsuo

2013-07-01

In Hokkaido and Scandinavia, birch pollen allergic persons are common and they often report oral and pharyngeal hypersensitivity to fruits and vegetables (oral allergy syndrome, OAS), because of immunological cross-reactivity. In Scandinavia, nuts as well as Rosaceae fruits such as apples were the foods most often reported to elicit symptoms. On the other hand, nuts are minor foods causing hypersensitivity in Japan. Even in Japan, regional differences of foods causing hypersensitivity have been reported, which may be related to the regional differences of elementary habit and pollen dispersion. In the present study, we evaluated the intake history of the foods and the frequency of food hypersensitivity in adults from the general population. Three hundreds and thirty nine subjects (20-67 years old) took part in the study. With a questionnaire survey, we asked them about their intake history and hypersensitive symptoms for 33 kinds of fruit, vegetables, and nuts. 30% of subjects had eaten Brazil nuts, 80% had eaten pomegranates, and 81% had eaten hazelnuts. And over 95% of subjects had eaten the other 30 foods. Those who had lived in Hokkaido for more than 20 years had a higher frequency of plum consumption than the others. Those who had lived in Hokkaido for more than 20 years had a lower frequency of loquat, fig and pomegranate consumption than the others. Food hypersensitivity was found in 52 subjects (15.3%). The most common symptom was OAS (46 subjects, 13.6%), and foods most frequently causing OAS were peach (21 subjects, 6.2%), cherry (19 subjects, 5.6%) and apple (17 subjects, 5.0%). 26 subjects (7.7%) reported OAS to Rosaceae fruits. The ratio of having OAS to consuming Rosaceae fruits was 11.0% in the group who had lived in Hokkaido for more than 20 years, which was higher than the group who has lived in Hokkaido for less than 20 years. The intake history of hazelnuts and Brazil nuts was very low, with a correspondingly low frequency of food hypersensitivity associated with these nuts. The frequency of intake and hypersensitivity of some foods differ among different regions.

Influence of a Mediterranean Dietary Pattern on Body Fat Distribution: Results of the PREDIMED-Canarias Intervention Randomized Trial.

PubMed

Álvarez-Pérez, Jacqueline; Sánchez-Villegas, Almudena; Díaz-Benítez, Elena María; Ruano-Rodríguez, Cristina; Corella, Dolores; Martínez-González, Míguel Ángel; Estruch, Ramón; Salas-Salvadó, Jordi; Serra-Majem, Lluís

2016-08-01

To assess the influence of a Mediterranean dietary pattern (MeDiet) on anthropometric and body composition parameters in one of the centers of the PREDIMED randomized dietary trial. 351 Canarian free-living subjects aged 55 to 80 years, with type 2 diabetes or ≥3 cardiovascular risk factors. Participants were randomly assigned to one of 3 different dietary interventions: MeDiet + extra-virgin olive oil (EVOO), MeDiet + nuts (walnuts, almonds, and hazelnuts), or a control low-fat diet. Total energy intake was ad libitum. Measures included changes in anthropometric measures (weight, body mass index [BMI] and waist circumference [WC]), body fat distribution, energy, and nutrient intake after 1 year. Body composition (percentage of total body fat [%TBF], total fat mass [TFM], free fat mass [FFM], percentage of truncal fat [%TrF], truncal fat mass [TrFM]) and total body water (TBW) were estimated by octapolar electrical impedance analysis. Paired t tests were conducted to assess within-group changes. Analyses of variance (ANOVAs) were used to assess the effect of the dietary intervention on the percentage change in anthropometric variables, body composition, and dietary intake profile. All pairwise comparisons that were statistically significant in ANOVA were subsequently adjusted using the Benjamini-Hochberg test, which penalizes for multiple comparisons. After 1 year of intervention, significant within-group reductions in all anthropometric variables were observed for the MeDiet + EVOO and the control group. The MeDiet + nuts group exhibited a significant reduction in WC and TBW. The control group showed a significant increase in %TBF and a reduction in TBW. The control group showed a significant increase in the percentage of total body fat and a reduction in TBW. However, we did not find any between-group significant difference in anthropometric or body composition changes. Mediterranean diets enriched with EVOO or specific mixed nuts (walnuts, almonds, hazelnuts) that contain approximately 40% total fat can be alternative options to low-fat diets for weight maintenance regimes in older overweight or obese adults.

DOE Office of Scientific and Technical Information (OSTI.GOV)

Kawamoto, M.M.; Kelly, J.E.

In response to a confidential employee request, an investigation was begun into possible hazardous working conditions at the quick basic oxygen process (Q-BOP) shop at USS/USX Gary Works (SIC-3312), Gary, Indiana. The company was an integrated steel manufacturer where three major steel making processes were performed. Air contaminants, noise, heat stress, and ergonomic problems had been reported. Exposures to metals and sulfur-dioxide (7446095) were monitored. Confidential interviews were conducted with workers. The authors conclude that Q-BOP shop workers were potentially exposed to airborne irritants, noise, heat, and ergonomic risk factors. The authors recommend that measures be taken to reduce exposures,more » and to improve the health and safety of the workers.« less

Nonlinear Fluid Computations in a Distributed Environment

NASA Technical Reports Server (NTRS)

Atwood, Christopher A.; Smith, Merritt H.

1995-01-01

The performance of a loosely and tightly-coupled workstation cluster is compared against a conventional vector supercomputer for the solution the Reynolds- averaged Navier-Stokes equations. The application geometries include a transonic airfoil, a tiltrotor wing/fuselage, and a wing/body/empennage/nacelle transport. Decomposition is of the manager-worker type, with solution of one grid zone per worker process coupled using the PVM message passing library. Task allocation is determined by grid size and processor speed, subject to available memory penalties. Each fluid zone is computed using an implicit diagonal scheme in an overset mesh framework, while relative body motion is accomplished using an additional worker process to re-establish grid communication.

Effectiveness of employer financial incentives in reducing time to report worker injury: an interrupted time series study of two Australian workers' compensation jurisdictions.

PubMed

Lane, Tyler J; Gray, Shannon; Hassani-Mahmooei, Behrooz; Collie, Alex

2018-01-05

Early intervention following occupational injury can improve health outcomes and reduce the duration and cost of workers' compensation claims. Financial early reporting incentives (ERIs) for employers may shorten the time between injury and access to compensation benefits and services. We examined ERI effect on time spent in the claim lodgement process in two Australian states: South Australia (SA), which introduced them in January 2009, and Tasmania (TAS), which introduced them in July 2010. Using administrative records of 1.47 million claims lodged between July 2006 and June 2012, we conducted an interrupted time series study of ERI impact on monthly median days in the claim lodgement process. Time periods included claim reporting, insurer decision, and total time. The 18-month gap in implementation between the states allowed for a multiple baseline design. In SA, we analysed periods within claim reporting: worker and employer reporting times (similar data were not available in TAS). To account for external threats to validity, we examined impact in reference to a comparator of other Australian workers' compensation jurisdictions. Total time in the process did not immediately change, though trend significantly decreased in both jurisdictions (SA: -0.36 days per month, 95% CI -0.63 to -0.09; TAS: 0.35, -0.50 to -0.20). Claim reporting time also decreased in both (SA: -1.6 days, -2.4 to -0.8; TAS: -5.4, -7.4 to -3.3). In TAS, there was a significant increase in insurer decision time (4.6, 3.9 to 5.4) and a similar but non-significant pattern in SA. In SA, worker reporting time significantly decreased (-4.7, -5.8 to -3.5), but employer reporting time did not (-0.3, -0.8 to 0.2). The results suggest that ERIs reduced claim lodgement time and, in the long-term, reduced total time in the claim lodgement process. However, only worker reporting time significantly decreased in SA, indicating that ERIs may not have shortened the process through the intended target of employer reporting time. Lack of similar data in Tasmania limited our ability to determine whether this was a result of ERIs or another component of the legislative changes. Further, increases in insurer decision time highlight possible unintended negative effects.

Persisting risk of nickel related lung cancer and nasal cancer among Clydach refiners.

PubMed

Grimsrud, T K; Peto, J

2006-05-01

To evaluate the risk of lung cancer and nasal cancer among workers employed at the Clydach nickel refinery, South Wales since 1930 by combining data from the two most recently published papers on this cohort. Observed and expected numbers of cancer deaths were extracted for workers who had a minimum of five years service and were employed for the first time between 1902 and 1992. Standardised mortality ratios (SMR) were calculated for subgroups according to year of employment, time since first employment, and process work. A persisting excess of respiratory cancer was found for workers employed in the period 1930-92, with a lung cancer SMR of 133 (95% CI 103 to 172) and a SMR for nasal cancer of 870 (95% CI 105 to 3141). The lung cancer excess was most clearly seen 20 years or more after first employment and seemed to be confined to process workers. There was no indication of a further reduction in risk since 1930. The extreme nickel related cancer hazard at the refinery before 1920 was greatly reduced during subsequent years. Some of the carcinogenic exposures seem to have remained after 1930, producing an elevated risk of nasal cancer and a 30% excess of lung cancer in the workforce. There was evidence of a persisting risk among process workers first employed since 1953.

Relationship between productivity, quality and musculoskeletal disorder risk among deboning workers in a Chilean salmon industry.

PubMed

Ilardi, Juan S

2012-01-01

The purpose of this ergonomic investigation is to establish a relationship between quality, productivity and risk of musculoskeletal disorder (MSD) in manual bone-removal process in the salmon fish industry. The method consists in a follow up study of 14 workers in a lane that processes salmon steak. Time between each steak (work cycle), quality of the steak's meat through inspection of deepness and length of the gapping generated by the manual bone-removal process and risk for musculoskeletal disorders through OCRA method were considered for this study. IMC and musculoskeletal Nordic Questionnaire of Kourinka were applied to the workers evaluated. Fourteen women worker's completed the evaluation, age 37.67 ± 8.1, with 65.27 ± 34.41 months of experience, with an IMC of 27.18 ± 3.87 (1.52 ± 0.057 meters of height) at the time of the evaluation. Time for deboning per steak averaged 38 ± 14 seconds with 68.33 ± 14.79 steaks per hour per worker. In quality terms, 74% of the steaks were qualified as "premium steaks" and 26% as "grade or industrial" (lower category and cheapest price). OCRA index for the right hand average 13.79 ± 4.59 and 3.59 ± 0.41 for the left hand. From Nordic questionnaire 80% of the workers manifested musculoskeletal symptoms in the right hand/wrist, followed up by shoulder with 60% of the workers and arm/elbow with over 50%. There was no statistically significant relationship between productivity and quality of the steak after manual bone removal process and between quality and MSD risk. However, there was a statistically significant relationship between productivity and MSD risk (p<0.05). Discussion around the results allows to see complementary results that did have strong correlation between MSD risk and the presence of lower grade salmon steaks and between areas that present musculoskeletal symptoms (MSS) and the intensity of the MSS (p<0.05). The results showed that further research is needed to validate these relationships, due to the increasing demands of health-care services from this productive sector, considering its importance for this region.

Grand rounds: an outbreak of toxic hepatitis among industrial waste disposal workers.

PubMed

Cheong, Hae-Kwan; Kim, Eun A; Choi, Jung-Keun; Choi, Sung-Bong; Suh, Jeong-Ill; Choi, Dae Seob; Kim, Jung Ran

2007-01-01

Industrial waste (which is composed of various toxic chemicals), changes to the disposal process, and addition of chemicals should all be monitored and controlled carefully in the industrial waste industry to reduce the health hazard to workers. Five workers in an industrial waste plant developed acute toxic hepatitis, one of whom died after 3 months due to fulminant hepatitis. In the plant, we detected several chemicals with hepatotoxic potential, including pyridine, dimethylformamide, dimethylacetamide, and methylenedianiline. The workers had been working in the high-vapor-generating area of the plant, and the findings of pathologic examination showed typical features of acute toxic hepatitis. Infectious hepatitis and drug-induced hepatitis were excluded by laboratory findings, as well as the clinical course of hepatitis. All cases of toxic hepatitis in this plant developed after the change of the disposal process to thermochemical reaction-type treatment using unslaked lime reacted with industrial wastes. During this chemical reaction, vapor containing several toxic materials was generated. Although we could not confirm the definitive causative chemical, we suspect that these cases of hepatitis were caused by one of the hepatotoxic agents or by a synergistic interaction among several of them. In the industrial waste treatment process, the danger of developing toxic hepatitis should be kept in mind, because any subtle change of the treatment process can generate various toxic materials and threaten the workers' health. A mixture of hepatotoxic chemicals can induce clinical manifestations that are quite different from those predicted by the toxic property of a single agent.

Pulmonary function and respiratory symptoms in potash workers

DOE Office of Scientific and Technical Information (OSTI.GOV)

Graham, B.L.; Dosman, J.A.; Cotton, D.J.

1984-03-01

Over 94% of the workers in each of four Saskatchewan potash mines participated in a respiratory health surveillance program that included a questionnaire and pulmonary function tests. Compared with a nonexposed control group, potash workers had higher prevalences of cough, dyspnea, and chronic bronchitis but better pulmonary function. Prevalences of symptoms and pulmonary function abnormalities were similar among workers at the four mines tested and at the various job locations. Potash dust, diesel fumes, and other air contaminants may have an irritant effect that leads to the increased prevalences of cough and chronic bronchitis. Although no adverse effects of themore » potash mine environment on pulmonary function were found, these findings reflect a healthy worker effect or some selection process that makes the potash workers appear healthier in a cross-sectional study.« less

Pulmonary function and respiratory symptoms in potash workers

DOE Office of Scientific and Technical Information (OSTI.GOV)

Graham, B.L.; Dosman, J.A.; Cotton, D.J.

1984-03-01

Over 94% of the workers in each of four Saskatchewan potash mines participated in a respiratory health surveillance program that included a questionnaire and pulmonary function tests. Compared with a nonexposed control group, potash workers had higher prevalences of cough, dyspnea, and chronic bronchitis but better pulmonary function. Prevalences of symptoms and pulmonary function abnormalities were similar among workers at the four mines tested and at the various job locations. Potash dust, diesel fumes, and other air contaminants may have an irritant effect that leads to the increased prevalences of cough and chronic bronchitis. Although we found no adverse effectsmore » of the potash mine environment on pulmonary function, these findings reflect a healthy worker effect or some selection process that makes the potash workers appear healthier in a cross-sectional study.« less

Workers' experiences with compensated sick leave due to musculoskeletal disorder: a qualitative study.

PubMed

Choi, Min; Kim, Hyoung-Ryoul; Lee, Jinwoo; Lee, Hye-Eun; Byun, Junsu; Won, Jong Uk

2014-01-01

The most common occupational disease that is compensated by Industrial Accident Compensation Insurance (IACI) in Korea is musculoskeletal disease (MSD). Although complaints about the workers' compensation system have been raised by injured workers with MSD, studies that examine workers' experiences with the Korean system are rare. This paper is a qualitative study designed to examine injured workers' experiences with the workers' compensation system in Korea. The aim of this study is to explore the drawbacks of the workers' compensation system and to suggest ways to improve this system. All workers from an automobile parts factory in Anseong, GyeongGi province who were compensated for MSD by IACI from January 2003 to August 2013 were invited to participate. Among these 153 workers, 142 workers completed the study. Semi-structured open-ended interviews and questionnaires were administered by occupational physicians. The responses of 131 workers were analyzed after excluding 11 workers, 7 of whom provided incomplete answers and 4 of whom were compensated by accidental injury. Based on their age, disease, department of employment, and compensation time, 16 of these 131 workers were invited to participate in an individual in-depth interview. In-depth interviews were conducted by one of 3 occupational physicians until the interview contents were saturated. Injured workers with MSD reported that the workers' compensation system was intimidating. These workers suffered more emotional distress than physical illness due to the workers' compensation system. Injured workers reported that they were treated inadequately and remained isolated for most of the recuperation period. The compensation period was terminated without ample guidance or a plan for an appropriate rehabilitation process. Interventions to alleviate the negative experiences of injured workers, including quality control of the medical care institutions and provisions for mental and psychological care for injured workers, are needed to help injured workers return to work earlier and more healthy.

Injured workers' perspectives on how workplace accommodations are conceptualized and delivered following electrical injuries.

PubMed

Stergiou-Kita, Mary; Mansfield, Elizabeth; Colantonio, Angela

2014-06-01

Returning to work following an electrical injury can be challenging due to the confluence of physical, cognitive and emotional impairments. Workplace accommodations can facilitate return to work. However, while electrical injuries can have potentially devastating consequences, there is a dearth of understanding of how workplace accommodations are obtained following electrical injury. This paper explores workers' experiences of returning to work and accommodations following an occupation electrical injury. Thirteen semi-structured qualitative telephone interviews were conducted with injured workers recruited from acute and rehabilitation burns programs in Ontario, Canada. Thematic analysis was employed to identify themes related to the request and provision of accommodations. Findings reveal that accommodations are most frequently narrowly defined in relation to physical work restrictions, leading to the exclusion of cognitive and psychosocial concerns. Challenges within the accommodations process such as perceived legitimacy, a do-it-yourself approach to accommodations, and concerns regarding job security can also influence workers' decisions to request accommodations. Process elements that facilitate the effective provision of workplace accommodations include: (1) finding a "just right" fit between workers' abilities and assigned tasks and duties (2) establishing effective lines of communication between relevant stakeholders; (3) prompt response to needs; (4) having a knowledgeable individual in a position of power to advocate on workers' behalf. Further education regarding electrical injuries and workplace accommodations is warranted to increase workers', employers', health and insurance personnels' knowledge about electrical injury and best practices for providing workplace accommodations.

EVALUATION OF CHEMICAL RELEASES AND WORKER EXPOSURES FROM FILTER PRESS OPERATIONS

EPA Science Inventory

The exposures (inhalation and dermal) and releases (air, water, solids, and process streams) associated with the filtration of industrial wastewater sludge from an electronics manufacturing plant were characterized. Chemical releases and worker exposures for a target chemical (t...

20 CFR 655.170 - Extensions.

Code of Federal Regulations, 2011 CFR

2011-04-01

...' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Post Certification § 655.170 Extensions. An employer may apply for...

20 CFR 655.163 - Certification fee.

Code of Federal Regulations, 2011 CFR

2011-04-01

... Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Labor Certification Determinations § 655.163 Certification fee. A...

20 CFR 655.170 - Extensions.

Code of Federal Regulations, 2010 CFR

2010-04-01

...' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Post Certification § 655.170 Extensions. An employer may apply for...

Highlights of Recent Changes to the TFWP: What to Look for during the Hiring Process & in the Professional Development of Academic Staff. CAUT Briefing Note

ERIC Educational Resources Information Center

Canadian Association of University Teachers, 2015

2015-01-01

For decades, Canada has relied on migrant workers to help develop the economy. Many come to Canada through the Federal government's Temporary Foreign Worker Program (TFWP). The original intent of this program was to fill very specific jobs on a short term basis--jobs that required specific workers and skills not available in Canada. In the last…

Return-to-work success despite conflicts: an exploration of decision-making during a work rehabilitation program.

PubMed

Gouin, Marie-Michelle; Coutu, Marie-France; Durand, Marie-José

2017-11-12

Collective decision-making by stakeholders appears important to return-to-work success, yet few studies have explored the processes involved. This study aims to explore the influence of decision-making on return-to-work for workers with musculoskeletal or common mental disorders. This study is a secondary analysis using data from three earlier multiple-case studies that documented decision-making during similar and comparable work rehabilitation programs. Individual interviews were conducted at the end of the program with stakeholders, namely, the disabled workers and representatives of health care professionals, employers, unions and insurers. Verbatims were analysed inductively. The 28 decision-making processes (cases) led to 115 different decisions-making instances and included the following components: subjects of the decisions, stakeholders' concerns and powers, and types of decision-making. No differences were found in decision-making processes relative to the workers' diagnoses or return-to-work status. However, overall analysis of decision-making revealed that stakeholder agreement on a return-to-work goal and acceptance of an intervention plan in which the task demands aligned with the worker's capacities were essential for return-to-work success. These results support the possibility of return-to-work success despite conflictual decision-making processes. In addition to facilitating consensual decisions, future studies should be aimed at facilitating negotiated decisions. Implications for rehabilitation Facilitating decision-making, with the aim of obtaining agreement from all stakeholders on a return-to-work goal and their acceptance of an intervention plan that respects the worker's capacities, is important for return-to-work success. Rehabilitation professionals should constantly be on the lookout for potential conflicts, which may either complicate the reach of an agreement between the stakeholders or constrain return-to-work possibilities. Rehabilitation professionals should also be constantly watching for workers' and employers' return-to-work concerns, as they may change during work rehabilitation, potentially challenging a reached agreement.

Hazard Prevention Regarding Occupational Accidents Involving Blue-Collar Foreign Workers: A Perspective of Taiwanese Manpower Agencies.

PubMed

Chang, Huan-Cheng; Wang, Mei-Chin; Liao, Hung-Chang; Cheng, Shu-Fang; Wang, Ya-Huei

2016-07-13

Since 1989, blue-collar foreign workers have been permitted to work in Taiwanese industries. Most blue-collar foreign workers apply for jobs in Taiwan through blue-collar foreign workers' agencies. Because blue-collar foreign workers are not familiar with the language and culture in Taiwan, in occupational accident education and hazard prevention, the agencies play an important role in the coordination and translation between employees and blue-collar foreign workers. The purpose of this study is to establish the agencies' role in the occupational accidents education and hazard prevention for blue-collar foreign workers in Taiwan. This study uses a qualitative method-grounded theory-to collect, code, and analyze the data in order to understand the agencies' role in occupational accident education and hazard prevention for blue-collar foreign workers in Taiwan. The results show that the duty of agencies in occupational accident education and hazard prevention includes selecting appropriate blue-collar foreign workers, communicating between employees and blue-collar foreign workers, collecting occupational safety and health information, assisting in the training of occupational safety and health, and helping blue-collar foreign workers adapt to their lives in Taiwan. Finally, this study suggests seven important points and discusses the implementation process necessary to improve governmental policies. The government and employees should pay attention to the education/training of occupational safety and health for blue-collar foreign workers to eliminate unsafe behavior in order to protect the lives of blue-collar foreign workers.

Gaining the Long View: Reforming Organization and Empowering Knowledge Workers to Improve Strategy and Intelligence

DTIC Science & Technology

2017-03-31

processes. Hierarchal bureaucracies also provide the workforce with a predictable, structured work environment , a sense of status, and other...processes in response to changes in the environment . As they age and acquire a corporate culture, members become more entrenched in their work ...inability of managers and leaders of knowledge workers to foster a work environment that effectively exploits the knowledge worker’s drive to apply his or

Field tests of a participatory ergonomics toolkit for Total Worker Health

PubMed Central

Kernan, Laura; Plaku-Alakbarova, Bora; Robertson, Michelle; Warren, Nicholas; Henning, Robert

2018-01-01

Growing interest in Total Worker Health® (TWH) programs to advance worker safety, health and well-being motivated development of a toolkit to guide their implementation. Iterative design of a program toolkit occurred in which participatory ergonomics (PE) served as the primary basis to plan integrated TWH interventions in four diverse organizations. The toolkit provided start-up guides for committee formation and training, and a structured PE process for generating integrated TWH interventions. Process data from program facilitators and participants throughout program implementation were used for iterative toolkit design. Program success depended on organizational commitment to regular design team meetings with a trained facilitator, the availability of subject matter experts on ergonomics and health to support the design process, and retraining whenever committee turnover occurred. A two committee structure (employee Design Team, management Steering Committee) provided advantages over a single, multilevel committee structure, and enhanced the planning, communication, and team-work skills of participants. PMID:28166897

Evaluation of a participatory ergonomic intervention process in kitchen work.

PubMed

Pehkonen, Irmeli; Takala, Esa-Pekka; Ketola, Ritva; Viikari-Juntura, Eira; Leino-Arjas, Päivi; Hopsu, Leila; Virtanen, Tuija; Haukka, Eija; Holtari-Leino, Merja; Nykyri, Elina; Riihimäki, Hilkka

2009-01-01

We evaluated a participatory ergonomic intervention process applied in 59 municipal kitchens. In groups of three to five kitchens, the workers participated in eight workshops, and generated and evaluated solutions to optimize musculoskeletal load in their work. An ergonomist initiated and supported the process. By the end, 402 changes were implemented. Evaluative data were collected using research diaries, questionnaires, and focus group interviews. The intervention model proved feasible and the participatory approach was mostly experienced as motivating. The workers' knowledge and awareness of ergonomics increased, which improved their ability to tackle ergonomic problems by themselves. The changes in ergonomics were perceived to decrease physical load and improve musculoskeletal health. As hindering factors for implementation, lack of time and motivation, and insufficient financial resources were mentioned. In addition, the workers expressed a wish for more support from the management, technical staff, and ergonomists.

Health sector reform and public sector health worker motivation: a conceptual framework.

PubMed

Franco, Lynne Miller; Bennett, Sara; Kanfer, Ruth

2002-04-01

Motivation in the work context can be defined as an individual's degree of willingness to exert and maintain an effort towards organizational goals. Health sector performance is critically dependent on worker motivation, with service quality, efficiency, and equity, all directly mediated by workers' willingness to apply themselves to their tasks. Resource availability and worker competence are essential but not sufficient to ensure desired worker performance. While financial incentives may be important determinants of worker motivation, they alone cannot and have not resolved all worker motivation problems. Worker motivation is a complex process and crosses many disciplinary boundaries, including economics, psychology, organizational development, human resource management, and sociology. This paper discusses the many layers of influences upon health worker motivation: the internal individual-level determinants, determinants that operate at organizational (work context) level, and determinants stemming from interactions with the broader societal culture. Worker motivation will be affected by health sector reforms which potentially affect organizational culture, reporting structures, human resource management, channels of accountability, types of interactions with clients and communities, etc. The conceptual model described in this paper clarifies ways in which worker motivation is influenced and how health sector reform can positively affect worker motivation. Among others, health sector policy makers can better facilitate goal congruence (between workers and the organizations they work for) and improved worker motivation by considering the following in their design and implementation of health sector reforms: addressing multiple channels for worker motivation, recognizing the importance of communication and leadership for reforms, identifying organizational and cultural values that might facilitate or impede implementation of reforms, and understanding that reforms may have differential impacts on various cadres of health workers.

An innovative method to involve community health workers as partners in evaluation research.

PubMed

Peacock, Nadine; Issel, L Michele; Townsell, Stephanie J; Chapple-McGruder, Theresa; Handler, Arden

2011-12-01

We developed a process through which community outreach workers, whose role is not typically that of a trained researcher, could actively participate in collection of qualitative evaluation data. Outreach workers for a community-based intervention project received training in qualitative research methodology and certification in research ethics. They used a Voice over Internet Protocol phone-in system to provide narrative reports about challenges faced by women they encountered in their outreach activities as well as their own experiences as outreach workers. Qualitative data contributed by outreach workers provided insights not otherwise available to the evaluation team, including details about the complex lives of underserved women at risk for poor pregnancy outcomes and the challenges and rewards of the outreach worker role. Lay health workers can be a valuable asset as part of a research team. Training in research ethics and methods can be tailored to their educational level and preferences, and their insights provide important information and perspectives that may not be accessible via other data collection methods. Challenges encountered in the dual roles of researcher and lay health worker can be addressed in training.

Alteration in eating habits among shift workers of a poultry processing plant in southern Brazil.

PubMed

de Freitas, Elisângela da Silva; Canuto, Raquel; Henn, Ruth Liane; Olinto, Beatriz Anselmo; Macagnan, Jamile Block Araldi; Pattussi, Marcos Pascoal; Busnello, Fernanda Michelin; Olinto, Maria Teresa Anselmo

2015-08-01

The relationship between shift work and the eatinghabits of workers was investigated in a slaughterhouse in southern Brazil. It involved a cross-sectional study with 1,206 workers of both sexes between 18 and 50 years of age. A standardized questionnaire was used to gather demographic, socioeconomic, work shift and eating habit information. The shift of work was categorized into daytime and nighttime, based on the starting and ending times of the shift. The eating habits of workers were evaluated as follows: number and type of meals eaten during the 24 hours of a normal day, the inappropriateness of the hoursof these meals and the dietaryrisk score. This was built on the risk score of the weekly consumption of 13 food items. After adjusting for potential confounders, non-Caucasian and younger male workers were more likely to manifest eating risk habits. Nighttimeshift workers consumed ahigher number of meals/day with greater inappropriateness of meal times than daytimeshift workers. The night shift can negatively influence the eating habits of workers of that shift.

Bruised Poultry Tissue as a Possible Source of Staphylococcal Infection

PubMed Central

Roskey, C. T.; Hamdy, M. K.

1972-01-01

Bacteriological analyses were made on 45 swab samples secured from hands of poultry workers on processing line, on 31 bruised and 15 normal poultry tissue samples, and on 15 swabs obtained from infected lacerations and exudates of abcesses on hands, arms, chest, and abdomen of poultry workers. A total of 170 Staphylococcus cultures were isolated from samples examined. These cultures were characterized morphologically and biochemically and then grouped into six distinct patterns. S. aureus was found in 86.6% of swab samples obtained from infected workers, in 40% of swabs from hands of workers who handle bruised birds, and in 38.7% of bruised tissues, and was absent from all samples obtained from hands of workers who do not handle bruised birds. All the coagulase-positive staphylococcal isolates were bacteriophage-typed, and the results showed that the same phage-type S. aureus was found in many poultry bruises and in infected lesions of poultry workers as well as on hands of workers who handle bruised birds. These results indicate that poultry bruises are a source of staphylococcal infection encountered among poultry workers. PMID:4553136

20 CFR 655.161 - Criteria for certification.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 655.161 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Labor Certification Determinations § 655.161 Criteria for...

20 CFR 655.154 - Additional positive recruitment.

Code of Federal Regulations, 2011 CFR

2011-04-01

... Section 655.154 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Post-Acceptance Requirements § 655.154 Additional positive...

20 CFR 655.167 - Document retention requirements.

Code of Federal Regulations, 2011 CFR

2011-04-01

... Section 655.167 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Labor Certification Determinations § 655.167 Document...

20 CFR 655.102 - Special procedures.

Code of Federal Regulations, 2011 CFR

2011-04-01

... Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) § 655.102 Special procedures. To provide for a limited degree of...

20 CFR 655.183 - Less than substantial violations.

Code of Federal Regulations, 2010 CFR

2010-04-01

... EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural... otherwise negative effect on the recruitment, employment, and retention of U.S. workers, the OFLC... certification determination. These special procedures may include special on-site positive recruitment and...

Experiences in disaster-related mental health relief work: An exploratory model for the interprofessional training of psychological relief workers.

PubMed

Ren, ZhengJia; Wang, HongTao; Zhang, Wei

2017-01-01

The purpose of this study was to begin to generate an exploratory model of the disaster-related mental health education process associated with the training experiences of psychological relief workers active during the Sichuan earthquake in China. The data consisted of semi-structured interviews with 20 psychological relief workers from four different professions (social workers, psychiatric nurses, psychiatrists, and counsellors) regarding their experiences in training and ideas for improvement. The model explains the need to use a people-centred community interprofessional education approach, which focuses on role-modelling of the trainer, caring for relief workers, paying attention to the needs of the trainee, and building systematic interprofessional education strategies. The proposed model identifies areas for the comprehensive training of relief workers and aims to address the importance of people-centred mental health service provisions, ensure intentional and strategic training of relief workers using interprofessional concepts and strategies, and use culturally attuned and community-informed strategies in mental health training practices.

Health care professionals' attitudes towards evidence-based medicine in the workers' compensation setting: a cohort study.

PubMed

Elbers, Nieke A; Chase, Robin; Craig, Ashley; Guy, Lyn; Harris, Ian A; Middleton, James W; Nicholas, Michael K; Rebbeck, Trudy; Walsh, John; Willcock, Simon; Lockwood, Keri; Cameron, Ian D

2017-05-22

Problems may arise during the approval process of treatment after a compensable work injury, which include excess paperwork, delays in approving services, disputes, and allegations of over-servicing. This is perceived as undesirable for injured people, health care professionals and claims managers, and costly to the health care system, compensation system, workplaces and society. Introducing an Evidence Based Medicine (EBM) decision tool in the workers' compensation system could provide a partial solution, by reducing uncertainty about effective treatment. The aim of this study was to investigate attitudes of health care professionals (HCP) to the potential implementation of an EBM tool in the workers' compensation setting. The study has a mixed methods design. The quantitative study consisted of an online questionnaire asking about self-reported knowledge, attitudes and behaviour to EBM in general. The qualitative study consisted of interviews about an EBM tool being applied in the workers' compensation process. Participants were health care practitioners from different clinical specialties. They were recruited through the investigators' clinical networks and the workers' compensation government regulator's website. Participants completing the questionnaire (n = 231) indicated they were knowledgeable about the evidence-base in their field, but perceived some difficulties when applying EBM. General practitioners reported having the greatest obstacles to applying EBM. Participants who were interviewed (n = 15) perceived that an EBM tool in the workers' compensation setting could potentially have some advantages, such as reducing inappropriate treatment, or over-servicing, and providing guidance for clinicians. However, participants expressed substantial concerns that the EBM tool would not adequately reflect the impact of psychosocial factors on recovery. They also highlighted a lack of timeliness in decision making and proper assessment, particularly in pain management. Overall, HCP are supportive of EBM, but have strong concerns about implementation of EBM based decision making in the workers' compensation setting. The participants felt that an EBM tool should not be applied rigidly and should take into account clinical judgement and patient variability and preferences. In general, the treatment approval process in the workers' compensation insurance system is a sensitive area, in which the interaction between HCP and claims managers can be improved.

Can workers answer their questions about occupational safety and health: challenges and solutions.

PubMed

Rhebergen, Martijn; Van Dijk, Frank; Hulshof, Carel

2012-01-01

Many workers have questions about occupational safety and health (OSH). Answers to these questions empower them to further improve their knowledge about OSH, make good decisions about OSH matters and improve OSH practice when necessary. Nevertheless, many workers fail to find the answers to their questions. This paper explores the challenges workers may face when seeking answers to their OSH questions. Findings suggest that many workers may lack the skills, experience or motivation to formulate an answerable question, seek and find information, appraise information, compose correct answers and apply information in OSH practice. Simultaneously, OSH knowledge infrastructures often insufficiently support workers in answering their OSH questions. This paper discusses several potentially attractive strategies for developing and improving OSH knowledge infrastructures: 1) providing courses that teach workers to ask answerable questions and to train them to find, appraise and apply information, 2) developing information and communication technology tools or facilities that support workers as they complete one or more stages in the process from question to answer and 3) tailoring information and implementation strategies to the workers' needs and context to ensure that the information can be applied to OSH practice more easily.

Job Crafting: Older Workers' Mechanism for Maintaining Person-Job Fit.

PubMed

Wong, Carol M; Tetrick, Lois E

2017-01-01

Aging at work is a dynamic process. As individuals age, their motives, abilities and values change as suggested by life-span development theories (Lang and Carstensen, 2002; Kanfer and Ackerman, 2004). Their growth and extrinsic motives weaken while intrinsic motives increase (Kooij et al., 2011), which may result in workers investing their resources in different areas accordingly. However, there is significant individual variability in aging trajectories (Hedge et al., 2006). In addition, the changing nature of work, the evolving job demands, as well as the available opportunities at work may no longer be suitable for older workers, increasing the likelihood of person-job misfit. The potential misfit may, in turn, impact how older workers perceive themselves on the job, which leads to conflicting work identities. With the traditional job redesign approach being a top-down process, it is often difficult for organizations to take individual needs and skills into consideration and tailor jobs for every employee (Berg et al., 2010). Therefore, job crafting, being an individualized process initiated by employees themselves, can be a particularly valuable mechanism for older workers to realign and enhance their demands-abilities and needs-supplies fit. Through job crafting, employees can exert personal agency and make changes to the task, social and cognitive aspects of their jobs with the goal of improving their work experience (Wrzesniewski and Dutton, 2001). Building on the Life Span Theory of Control (Heckhausen and Schulz, 1995), we posit that job crafting, particularly cognitive crafting, will be of increasing value as employees age. Through reframing how they think of their job and choosing to emphasize job features that are personally meaningful, older workers can optimize their resources to proactively redesign their jobs and maintain congruent, positive work identities.

Relation between sick leave and selected exposure variables among women semiconductor workers in Malaysia

PubMed Central

Chee, H; Rampal, K

2003-01-01

Aims: To determine the relation between sick leave and selected exposure variables among women semiconductor workers. Methods: This was a cross sectional survey of production workers from 18 semiconductor factories. Those selected had to be women, direct production operators up to the level of line leader, and Malaysian citizens. Sick leave and exposure to physical and chemical hazards were determined by self reporting. Three sick leave variables were used; number of sick leave days taken in the past year was the variable of interest in logistic regression models where the effects of age, marital status, work task, work schedule, work section, and duration of work in factory and work section were also explored. Results: Marital status was strongly linked to the taking of sick leave. Age, work schedule, and duration of work in the factory were significant confounders only in certain cases. After adjusting for these confounders, chemical and physical exposures, with the exception of poor ventilation and smelling chemicals, showed no significant relation to the taking of sick leave within the past year. Work section was a good predictor for taking sick leave, as wafer polishing workers faced higher odds of taking sick leave for each of the three cut off points of seven days, three days, and not at all, while parts assembly workers also faced significantly higher odds of taking sick leave. Conclusion: In Malaysia, the wafer fabrication factories only carry out a limited portion of the work processes, in particular, wafer polishing and the processes immediately prior to and following it. This study, in showing higher illness rates for workers in wafer polishing compared to semiconductor assembly, has implications for the governmental policy of encouraging the setting up of wafer fabrication plants with the full range of work processes. PMID:12660374

Respiratory health effects of fifteen years of improved collective protection in a wheat-processing worker population.

PubMed

Dorribo, Victor; Wild, Pascal; Pralong, Jacques A; Danuser, Brigitta; Reboux, Gabriel; Krief, Peggy; Niculita-Hirzel, Hélène

2015-01-01

Occupational exposure to grain dust causes respiratory symptoms and pathologies. To decrease these effects, major changes have occurred in the grain processing industry in the last twenty years. However, there are no data on the effects of these changes on workers' respiratory health. The aim of this study was to evaluate the respiratory health of grain workers and farmers involved in different steps of the processing industry of wheat, the most frequently used cereal in Europe, fifteen years after major improvements in collective protective equipment due to mechanisation. Information on estimated personal exposure to wheat dust was collected from 87 workers exposed to wheat dust and from 62 controls. Lung function (FEV1, FVC, and PEF), exhaled nitrogen monoxide (FENO) and respiratory symptoms were assessed after the period of highest exposure to wheat during the year. Linear regression models were used to explore the associations between exposure indices and respiratory effects. Acute symptoms - cough, sneezing, runny nose, scratchy throat - were significantly more frequent in exposed workers than in controls. Increased mean exposure level, increased cumulative exposure and chronic exposure to more than 6 mg.m (-3) of inhaled wheat dust were significantly associated with decreased spirometric parameters, including FEV1 and PEF (40 ml and 123 ml.s (-1) ), FEV1 and FVC (0.4 ml and 0.5 ml per 100 h.mg.m (-3) ), FEV1 and FVC (20 ml and 20 ml per 100 h at >6 mg.m (-3) ). However, no increase in FENO was associated with increased exposure indices. The lung functions of wheat-related workers are still affected by their cumulative exposure to wheat dust, despite improvements in the use of collective protective equipment.

Physician decision-making in the management of work related upper extremity injuries.

PubMed

Szekeres, Mike; Macdermid, Joy C; Katchky, Adam; Grewal, Ruby

2018-05-22

Physicians working in a tertiary care injured worker clinic are faced with clinical decision-making that must balance the needs of patients and society in managing complex clinical problems that are complicated by the work-workplace context. The purpose of this study is to describe and characterize the decision-making process of upper extremity specialized surgeons when managing injured workers within a specialized worker's compensation clinic. Surgeons were interviewed in a semi-structured manner. Following each interview, the surgeon was also observed in a clinic visit during a new patient assessment, allowing observation of the interactional patterns between surgeon and patient, and comparison of the process described in the interview to what actually occurred during clinic visits. The primary central theme emerging from the surgeon interviews and the clinical observation was the focus on the importance of comprehensive assessment to make the first critical decision: an accurate diagnosis. Two subthemes were also found. The first of these involved the decision whether to proceed to management strategies or to continue with further investigation if the correct diagnosis is uncertain. Once the central theme of diagnosis was achieved, a second subtheme was highlighted; selecting appropriate management options, given the complexities of managing the injured worker, the workplace, and the compensation board. This study illustrates that upper extremity surgeons rely on their training and experience with upper extremity conditions to follow a sequential but iterative decision-making process to provide a more definitive diagnosis and treatment plan for workers with injuries that are often complex. The surgeons are challenged by the context which takes them out of their familiar zone of typical clinical practice to deal with the interactions between the injury, worker, work, workplace and insurer.

Determination of tocopherols and sitosterols in seeds and nuts by QuEChERS-liquid chromatography.

PubMed

Delgado-Zamarreño, M Milagros; Fernández-Prieto, Cristina; Bustamante-Rangel, Myriam; Pérez-Martín, Lara

2016-02-01

In the present work a simple, reliable and affordable sample treatment method for the simultaneous analysis of tocopherols and free phytosterols in nuts was developed. Analyte extraction was carried out using the QuEChERS methodology and analyte separation and detection were accomplished using HPLC-DAD. The use of this methodology for the extraction of natural occurring substances provides advantages such as speed, simplicity and ease of use. The parameters evaluated for the validation of the method developed included the linearity of the calibration plots, the detection and quantification limits, repeatability, reproducibility and recovery. The proposed method was successfully applied to the analysis of tocopherols and free phytosterols in samples of almonds, cashew nuts, hazelnuts, peanuts, tiger nuts, sun flower seeds and pistachios. Copyright © 2015 Elsevier Ltd. All rights reserved.

Tree nut allergens.

PubMed

Geiselhart, Sabine; Hoffmann-Sommergruber, Karin; Bublin, Merima

2018-04-18

Tree nuts are considered as part of a healthy diet due to their high nutritional quality. However, they are also a potent source of allergenic proteins inducing IgE mediated hypersensitivity often causing serious, life-threatening reactions. The reported prevalence of tree nut allergy is up to 4.9% worldwide. The general term "tree nuts" comprises a number of nuts, seeds, and drupes, derived from trees from different botanical families. For hazelnut and walnut several allergens have been identified which are already partly applied in component resolved diagnosis, while for other tree nuts such as macadamia, coconut, and Brazil nut only individual allergens were identified and data on additional allergenic proteins are missing. This review summarizes the current knowledge on tree nut allergens and describes their physicochemical and immunological characterization and clinical relevance. Copyright © 2018 The Authors. Published by Elsevier Ltd.. All rights reserved.

Occupational safety and health in the USA: now and the future.

PubMed

Howard, John; Hearl, Frank

2012-01-01

In the USA, national worker protection legislation was enacted in 1970. The legislation required that research, recommendations and guidance be developed to aid employers and workers, that workplace health and safety standards be adopted, that employer comply with those rules and that the government police employer compliance, and that assistance be offered to employers and workers to help them maintain a safe and healthful workplace. In the 40 yr since passage of the Occupational Safety and Health Act of 1970, worker injury, illness and fatalities have declined but not been eliminated. Efforts to accelerate the standards adoption process are much discussed in the USA along with how to protect workers from emerging hazards like nanotechnology. New strategies which seek to eliminate not only the causes of work-related injury and illness, but also more broadly, worker injury and illness, are on the horizon.

The impact of biotechnology on agricultural worker safety and health.

PubMed

Shutske, J M; Jenkins, S M

2002-08-01

Biotechnology applications such as the use and production of genetically modified organisms (GMOs) have been widely promoted, adopted, and employed by agricultural producers throughout the world. Yet, little research exists that examines the implications of agricultural biotechnology on the health and safety of workers involved in agricultural production and processing. Regulatory frameworks do exist to examine key issues related to food safety and environmental protection in GMO applications. However, based on the lack of research and regulatory oversight, it would appear that the potential impact on the safety and health of workers is of limited interest. This article examines some of the known worker health and safety implications related to the use and production of GMOs using the host, agent, and environment framework. The characteristics of employers, workers, inputs, production practices, and socio-economic environments in which future agricultural workers perform various tasks is likely to change based on the research summarized here.

The social worker joins the team: a look at the socialization process.

PubMed

Sands, R G

1989-01-01

Although much has been written about interdisciplinary teams, little is known about how social workers who begin employment in interdisciplinary settings learn how to be team players. This article, based on a year-long ethnographic sociolinguistic research study in one such setting, describes and analyzes the interactive experiences of a social worker who, during the course of the study, changed roles from newcomer to instructor of social work students. Through an analysis of the social worker's interactions, several observations were made. (1) Three team rules prescribed how team members were to participate (use trigger words, develop behaviorally specific descriptors, use action verbs). (2) The "coaching" of the new social worker and her coaching of students were visible in the two teams that were observed. (3) Certain language was preferred by the teams and disciplines. (4) Over time the social worker became more assertive and pro-active.

[Energy requirements of petroleum workers in Western Siberia].

PubMed

Bondarev, G I; Vissarionova, V Ia; Dupik, V S; Zemlianskaia, T A

1982-01-01

Energy requirements of drillers, derrick mounters and maintenance workers belonging to dispersed collectives were defined on the basis of materials available at the oil field Surgutneft named for the 50th anniversary of October. Energy requirements of the team workers were studied by the method of Douglas-Haldane during autumn-winter in the course of performing various production processes. Energy requirements were established as regards the operations made in the course of the basic technological processes. The budget of the working time was calculated in accordance with a rate-qualification manual. Energy consumption during out-of-work time was established by the method of individual questionnaires, followed by energy consumption calculation during various types of the work according to the generally accepted energy equivalents. The daily energy consumption with regard to the eight-hour work was found to constitute 3100-3660 kcal for drillers and the first assistant drillers, and 3700-3900 kcal for the second and third assistant drillers. The oilmen were distributed into groups in terms of the work intensity: group II--drillers, first assistant drillers and maintenance workers; group III--the second and third assistant drillers, assistant maintenance workers, and derrick mounters.

Conceptualisation and development of the Conversational Health Literacy Assessment Tool (CHAT).

PubMed

O'Hara, Jonathan; Hawkins, Melanie; Batterham, Roy; Dodson, Sarity; Osborne, Richard H; Beauchamp, Alison

2018-03-22

The aim of this study was to develop a tool to support health workers' ability to identify patients' multidimensional health literacy strengths and challenges. The tool was intended to be suitable for administration in healthcare settings where health workers must identify health literacy priorities as the basis for person-centred care. Development was based on a qualitative co-design process that used the Health Literacy Questionnaire (HLQ) as a framework to generate questions. Health workers were recruited to participate in an online consultation, a workshop, and two rounds of pilot testing. Participating health workers identified and refined ten questions that target five areas of assessment: supportive professional relationships, supportive personal relationships, health information access and comprehension, current health behaviours, and health promotion barriers and support. Preliminary evidence suggests that application of the Conversational Health Literacy Assessment Tool (CHAT) can support health workers to better understand the health literacy challenges and supportive resources of their patients. As an integrated clinical process, the CHAT can supplement existing intake and assessment procedures across healthcare settings to give insight into patients' circumstances so that decisions about care can be tailored to be more appropriate and effective.

Hey girlfriend: an evaluation of AIDS prevention among women in the sex industry.

PubMed

Dorfman, L E; Derish, P A; Cohen, J B

1992-01-01

Increasingly, acquired immunodeficiency syndrome (AIDS) prevention programs have been developed to reach and influence street-based populations. Standard methods of evaluation do not fit the conditions of such programs. This article describes a process and outcome evaluation of an AIDS prevention program for sex workers in which qualitative and quantitative methods were combined in order to mediate research problems endemic to street-based populations. Methods included epidemiological questionnaires, open-ended interviews with participants, and ethnographic field notes. Process evaluation findings show that field staff who were indigenous to the neighborhood and population readily gained access to the community of sex workers and simultaneously became role models for positive behavior change. Outcome findings show that sex workers do feel at risk for AIDS, but usually from clients rather than from husbands or boyfriends. Accordingly, they use condoms more frequently with clients than with steady partners. Increasing condom use among sex workers with their steady partners remains an important challenge for AIDS prevention. Combining qualitative and quantitative research data provided a more comprehensive assessment of how to reach sex workers with effective AIDS risk reduction messages than either method could have provided alone.

International migration of health professionals and the marketization and privatization of health education in India: from push-pull to global political economy.

PubMed

Walton-Roberts, Margaret

2015-01-01

Health worker migration theories have tended to focus on labour market conditions as principal push or pull factors. The role of education systems in producing internationally oriented health workers has been less explored. In place of the traditional conceptual approaches to understanding health worker, especially nurse, migration, I advocate global political economy (GPE) as a perspective that can highlight how educational investment and global migration tendencies are increasing interlinked. The Indian case illustrates the globally oriented nature of health care training, and informs a broader understanding of both the process of health worker migration, and how it reflects wider marketization tendencies evident in India's education and health systems. The Indian case also demonstrates how the global orientation of education systems in source regions is increasingly central to comprehending the place of health workers in the global and Asian rise in migration. The paper concludes that Indian corporate health care training systems are increasingly aligned with the production of professionals orientated to globally integrated health human resource labour markets, and our conceptual analysis of such processes must effectively reflect these tendencies. Copyright © 2014 Elsevier Ltd. All rights reserved.

Sesamin and sesamolin as unexpected contaminants in various cold-pressed plant oils: NP-HPLC/FLD/DAD and RP-UPLC-ESI/MS(n) study.

PubMed

Górnaś, Paweł; Siger, Aleksander; Pugajeva, Iveta; Segliņa, Dalija

2014-04-01

Thirteen cold-pressed oils (Japanese quince seed, black caraway, flaxseed, rapeseed, hemp, peanut, sunflower, pumpkin, hazelnut, poppy, walnut, almond and sesame oil) manufactured by the same company over a 2-year period (2011-12) were assessed for lipophilic compounds. The presence of sesamin and sesamolin, two characteristic lignans of sesame oil, were detected in all tested plant oils. Both lignans were identified by NP-HPLC/FLD/DAD and confirmed by a RP-UPLC-ESI/MS(n) method. The lowest amount of sesamin and sesamolin was found for Japanese quince seed oil (0.10 and 0.27 mg/100 g), and the highest, excluding sesame oil, for almond oil (36.21 and 105.42 mg/100 g, respectively). The highly significant correlation between sesamolin and sesamin concentrations was found in all samples tested (r = 0.9999; p < 0.00001). These results indicate contamination of cold-pressed oils from the same source. This investigation highlights the fact that increasing the range of products manufactured by the same company can contribute to a lesser regard for the quality of the final product. Moreover, less attention paid to the quality of final product can be related to the health risks of consumers especially sensitive to allergens. Therefore, proper cleaning of processing equipment is needed to prevent cross-contact of cold-pressed oils.

A Rapid Assay to Detect Toxigenic Penicillium spp. Contamination in Wine and Musts

PubMed Central

Sanzani, Simona Marianna; Miazzi, Monica Marilena; di Rienzo, Valentina; Fanelli, Valentina; Gambacorta, Giuseppe; Taurino, Maria Rosaria; Montemurro, Cinzia

2016-01-01

Wine and fermenting musts are grape products widely consumed worldwide. Since the presence of mycotoxin-producing fungi may greatly compromise their quality characteristics and safety, there is an increasing need for relatively rapid “user friendly” quantitative assays to detect fungal contamination both in grapes delivered to wineries and in final products. Although other fungi are most frequently involved in grape deterioration, secondary infections by Penicillium spp. are quite common, especially in cool areas with high humidity and in wines obtained by partially dried grapes. In this work, a single-tube nested real-time PCR approach—successfully applied to hazelnut and peanut allergen detection—was tested for the first time to trace Penicillium spp. in musts and wines. The method consisted of two sets of primers specifically designed to target the β-tubulin gene, to be simultaneously applied with the aim of lowering the detection limit of conventional real-time PCR. The assay was able to detect up to 1 fg of Penicillium DNA. As confirmation, patulin content of representative samples was determined. Most of analyzed wines/musts returned contaminated results at >50 ppb and a 76% accordance with molecular assay was observed. Although further large-scale trials are needed, these results encourage the use of the newly developed method in the pre-screening of fresh and processed grapes for the presence of Penicillium DNA before the evaluation of related toxins. PMID:27509524

Integrating Allergen Analysis Within a Risk Assessment Framework: Approaches to Development of Targeted Mass Spectrometry Methods for Allergen Detection and Quantification in the iFAAM Project.

PubMed

Nitride, Chiara; Lee, Victoria; Baricevic-Jones, Ivona; Adel-Patient, Karine; Baumgartner, Sabine; Mills, E N Clare

2018-01-01

Allergen analysis is central to implementing and monitoring food allergen risk assessment and management processes by the food industry, but current methods for the determination of allergens in foods give highly variable results. The European Union-funded "Integrated Approaches to Food Allergen and Allergy Risk Management" (iFAAM) project has been working to address gaps in knowledge regarding food allergen management and analysis, including the development of novel MS and immuno-based allergen determination methods. Common allergenic food ingredients (peanut, hazelnut, walnut, cow's milk [Bos domesticus], and hen's egg [Gallus domesticus]) and common food matrixes (chocolate dessert and cookie) have been used for both clinical studies and analytical method development to ensure that the new methods are clinically relevant. Allergen molecules have been used as analytical targets and allergenic ingredients incurred into matrixes at levels close to reference doses that may trigger the use of precautionary allergen labeling. An interlaboratory method comparison has been undertaken for the determination of peanut in chocolate dessert using MS and immuno-based methods. The iFAAM approach has highlighted the need for methods to report test results in allergenic protein. This will allow food business operators to use them in risk assessments that are founded on clinical study data in which protein has been used as a measure of allergenic potency.

Assessment of the microbiological safety of edible roasted nut kernels on retail sale in England, with a focus on Salmonella.

PubMed

Little, C L; Jemmott, W; Surman-Lee, S; Hucklesby, L; de Pinnal, E

2009-04-01

There is little published information on the prevalence of Salmonella in edible nut kernels. A study in early 2008 of edible roasted nut kernels on retail sale in England was undertaken to assess the microbiological safety of this product. A total of 727 nut kernel samples of different varieties were examined. Overall, Salmonella and Escherichia coli were detected from 0.2 and 0.4% of edible roasted nut kernels. Of the nut varieties examined, Salmonella Havana was detected from 1 (4.0%) sample of pistachio nuts, indicating a risk to health. The United Kingdom Food Standards Agency was immediately informed, and full investigations were undertaken. Further examination established the contamination to be associated with the pistachio kernels and not the partly opened shells. Salmonella was not detected in other varieties tested (almonds, Brazils, cashews, hazelnuts, macadamia, peanuts, pecans, pine nuts, and walnuts). E. coli was found at low levels (range of 3.6 to 4/g) in walnuts (1.4%), almonds (1.2%), and Brazils (0.5%). The presence of Salmonella is unacceptable in edible nut kernels. Prevention of microbial contamination in these products lies in the application of good agricultural, manufacturing, and storage practices together with a hazard analysis and critical control points system that encompass all stages of production, processing, and distribution.

Gazing behavior reactions of Vietnamese and Austrian consumers to Austrian wafers and their relations to wanting, expected and tasted liking.

PubMed

Vu, Thi Minh Hang; Tu, Viet Phu; Duerrschmid, Klaus

2018-05-01

Predictability of consumers' food choice based on their gazing behavior using eye-tracking has been shown and discussed in recent research. By applying this observational technique and conventional methods on a specific food product, this study aims at investigating consumers' reactions associated with gazing behavior, wanting, building up expectations, and the experience of tasting. The tested food products were wafers from Austria with hazelnut, whole wheat, lemon and vanilla flavors, which are very well known in Austria and not known in Vietnam. 114 Vietnamese and 128 Austrian participants took part in three sections: The results indicate that: i) the gazing behavior parameters are highly correlated in a positive way with the wanting-to-try choice; ii) wanting to try is in compliance with the expected liking for the Austrian consumer panel only, which is very familiar with the products; iii) the expected and tasted liking of the products are highly country and product dependent. The expected liking is strongly correlated with the tasted liking for the Austrian panel only. Differences between the reactions of the Vietnamese and Austrian consumers are discussed in detail. The results, which reflect the complex process from gazing for "wanting to try" to the expected and tasted liking, are discussed in the context of the cognitive theory and food choice habits of the consumers. Copyright © 2018. Published by Elsevier Ltd.

A Rapid Assay to Detect Toxigenic Penicillium spp. Contamination in Wine and Musts.

PubMed

Sanzani, Simona Marianna; Miazzi, Monica Marilena; di Rienzo, Valentina; Fanelli, Valentina; Gambacorta, Giuseppe; Taurino, Maria Rosaria; Montemurro, Cinzia

2016-08-08

Wine and fermenting musts are grape products widely consumed worldwide. Since the presence of mycotoxin-producing fungi may greatly compromise their quality characteristics and safety, there is an increasing need for relatively rapid "user friendly" quantitative assays to detect fungal contamination both in grapes delivered to wineries and in final products. Although other fungi are most frequently involved in grape deterioration, secondary infections by Penicillium spp. are quite common, especially in cool areas with high humidity and in wines obtained by partially dried grapes. In this work, a single-tube nested real-time PCR approach-successfully applied to hazelnut and peanut allergen detection-was tested for the first time to trace Penicillium spp. in musts and wines. The method consisted of two sets of primers specifically designed to target the β-tubulin gene, to be simultaneously applied with the aim of lowering the detection limit of conventional real-time PCR. The assay was able to detect up to 1 fg of Penicillium DNA. As confirmation, patulin content of representative samples was determined. Most of analyzed wines/musts returned contaminated results at >50 ppb and a 76% accordance with molecular assay was observed. Although further large-scale trials are needed, these results encourage the use of the newly developed method in the pre-screening of fresh and processed grapes for the presence of Penicillium DNA before the evaluation of related toxins.

Unintended allergens in precautionary labelled and unlabelled products pose significant risks to UK allergic consumers.

PubMed

Remington, B C; Baumert, J L; Blom, W M; Houben, G F; Taylor, S L; Kruizinga, A G

2015-07-01

Allergens in food may pose a risk to allergic consumers. While there is EU regulation for allergens present as an ingredient, this is not the case for unintended allergen presence (UAP). Food companies use precautionary allergen labels to inform allergic individuals of a potential risk from UAPs. This study investigates the risk of an allergic reaction within the milk-, wheat-, hazelnut- and peanut-allergic populations when ingesting UK foods across multiple product categories with and without precautionary allergen labelling. Allergen risk assessment using probabilistic techniques enables the estimation of the residual risk after the consumption of a product that unintentionally contains an allergen. Within this selection of UK products, the majority that tested positive for an allergen contained a concentration of allergen predicted to cause a reaction in >1% of the allergic population. The concentrations of allergens measured were greater than the VITAL(®) 2.0 action levels and would trigger precautionary allergen labelling. This was found for products both with and without precautionary allergen labelling. The results highlight the need for the food industry and regulators to adopt a transparent, risk-based approach for the communication of the risk associated with potential cross-contact that could occur in the processing facility or production chain. © 2015 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

Determinants of job stress in chemical process industry: A factor analysis approach.

PubMed

Menon, Balagopal G; Praveensal, C J; Madhu, G

2015-01-01

Job stress is one of the active research domains in industrial safety research. The job stress can result in accidents and health related issues in workers in chemical process industries. Hence it is important to measure the level of job stress in workers so as to mitigate the same to avoid the worker's safety related problems in the industries. The objective of this study is to determine the job stress factors in the chemical process industry in Kerala state, India. This study also aims to propose a comprehensive model and an instrument framework for measuring job stress levels in the chemical process industries in Kerala, India. The data is collected through a questionnaire survey conducted in chemical process industries in Kerala. The collected data out of 1197 surveys is subjected to principal component and confirmatory factor analysis to develop the job stress factor structure. The factor analysis revealed 8 factors that influence the job stress in process industries. It is also found that the job stress in employees is most influenced by role ambiguity and the least by work environment. The study has developed an instrument framework towards measuring job stress utilizing exploratory factor analysis and structural equation modeling.

Assessment of working conditions in a modern Russian milk processing plant from the aspect of occupational medicine.

PubMed

Belova, L V; Mishkich, I A; Kresova, G A; Liubomudrova, T A

1999-03-01

Assessment of harmful industrial factors caused by work conditions in a modern milk processing plant. Work conditions, rest, nutrition, medical service, and subjective health indices among the employees in a new milk processing plant were studied. We used a specially formed questionnaire; instrumental measurements of microclimate parameters, noise, and illumination at workplace; laboratory physical and chemical evaluation of air pollution with aerosols and gases in the plant premises; chronometric studies determining the workers' activity during the working day location, and physical and psychological body exertion at the time of industrial activities; and assessment of design and operating documents of the plant. Laboratory studies included 157 workers, 1,724 tests, 26 chronometric studies, and analysis of 11 plant's documents. Unfavorable microclimatic conditions, noise, inadequate illumination, air pollution with dust and toxic substances, physical workload, increased demand for concentration, and monotony of labor in mass production professions were found. A great proportion of workers was dissatisfied with their working conditions and many suffered from occupational diseases and work-related diseases. The conditions of work in the studied milk processing plant may be classified as harmful and dangerous. The flaws in technological process, omissions in design and construction of the plant, as well as its improper exploitation aggravated industrial harmful factors. In combination with unsatisfactory organization of rest, nutrition, and medical services in the plant these factors may affect the workers' health and cause general and occupational diseases.

Advancing the Big Five of user-oriented care and accounting for its variations.

PubMed

Kajonius, Petri; Kazemi, Ali

2016-01-01

Care process quality (i.e. how care is enacted by a care worker toward a client at the interpersonal level) is a strong predictor of satisfaction in a wide range of health care services. The purpose of this paper is to describe the basic elements of care process quality as user-oriented care. Specifically, the questions of how and why quality in user-oriented care varies were investigated in the context of elderly care. Two municipalities were selected for in-depth field studies. First, in each municipality, the authors interviewed and observed care workers' interactions with the older persons in both home care and nursing homes during two weeks (Study 1). Second, in an attempt to gain a deeper understanding of why process quality in terms of user-oriented care varies, the authors conducted interviews with care workers and care unit managers (Study 2). A new taxonomy for categorizing process quality variation, the Big Five of user-oriented care (task-focus, person-focus, affect, cooperation, and time-use), is proposed. In addition, the perceived reasons for process quality variation are reported in our own developed Quality Agents Model, suggesting that variations in care process evaluations may be explained from different perspectives at multiple levels (i.e., older person, care worker-, unit-, department-, and municipality level). The proposed taxonomy and model are useful for describing user-oriented care quality and the reasons for its variations. These findings are of relevance for future quality developments of elderly care services, but also may be adapted to applications in any other enterprise employing a user-oriented approach.

Utilization of the QuantiFERON-TB Gold Test in a Two-Step Process with the Tuberculin Skin Test To Evaluate Health Care Workers for Latent Tuberculosis▿

PubMed Central

Abdalhamid, Baha; Hinrichs, Steven H.; Garrett, Jodi L.; O'Neill, Jean M.; Hansen-Cain, Kristine M.; Armbrust, Amy A.; Iwen, Peter C.

2010-01-01

A cost analysis of combining a tuberculin skin test (TST) and the QuantiFERON-TB Gold test (QFT-GT) to detect latent tuberculosis in newly hired health care workers was performed. An approximately 50% reduction in the cost of additional care was realized when workers with positive TST results were subsequently screened using the QFT-GT. PMID:20573876

Stigma and sex work from the perspective of female sex workers in Hong Kong.

PubMed

Wong, William C W; Holroyd, Eleanor; Bingham, Amie

2011-01-01

While the stigma surrounding sex work is both well documented and easily recognised, few studies examine stigma in this context from the perspective of the sex workers themselves. In this article we report on a study using a modified grounded theory approach to analyse a series of semi-structured interviews with 49 female sex workers in Hong Kong, in order to examine the ways in which this group experiences and negotiates the stigma which arises from their employment in the sex industry. Sex workers in Hong Kong were subject to various stigmatising forces in their daily lives in their interactions with the public, the police and their families. These processes could have a negative impact on the sex workers' health, both through obvious manifestations such as physical or verbal abuse and through more subtle processes such as those which generated or perpetuated vulnerability and those which compelled the sex workers to conceal their identities and withdraw themselves from social networks. These findings are situated in the context of broader research surrounding sex work, drawing attention to the consequences of stigma on health and their interaction with health-service providers, before briefly discussing possible means of overcoming stigma-related barriers to providing adequate healthcare for this marginalised group. © 2010 The Authors. Sociology of Health & Illness © 2010 Foundation for the Sociology of Health & Illness/Blackwell Publishing Ltd.

The role of union democracy in the struggle for workers' health in Mexico.

PubMed

Laurell, A C

1989-01-01

In this article, the author analyzes the struggle for workers' health in Mexico, emphasizing the importance of the general and specific political context. In an overview of the legislation on industrial health and safety, the state institutions involved in the issue, and the characteristics of union organization in Mexico, the author shows that the limited activities related to workers' health have more to do with the relative political weakness of the Mexican working class than with the formal structures of legislation, state institutions, and unions. The second part of the article deals with the four most important struggles for health and safety in Mexico during the last ten years, which show some similarities. These struggles are consistently linked to processes of union democratization and tend to decline when union democracy is lost. The strategies of the companies show a common pattern: removing health issues from collective bargaining and putting them in the hands of state institutions. When workers have opposed this solution, management has used selective repression to solve the conflict. The state institutions subordinate their position to the companies' by postponing action or by doing a technically poor job. Changing the existing situation involves the social legitimation of the workers' health issue, since this would have an impact on the political processes involved, i.e., corporate control over workers, authoritarian labor relations and professionalism, and resources of the state institutions.

20 CFR 655.120 - Offered wage rate.

Code of Federal Regulations, 2011 CFR

2011-04-01

... Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Prefiling Procedures § 655.120 Offered wage rate. (a) To comply with...

20 CFR 655.158 - Duration of positive recruitment.

Code of Federal Regulations, 2011 CFR

2011-04-01

... Section 655.158 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR TEMPORARY EMPLOYMENT OF FOREIGN WORKERS IN THE UNITED STATES Labor Certification Process for Temporary Agricultural Employment in the United States (H-2A Workers) Post-Acceptance Requirements § 655.158 Duration of positive...

Barriers to Participatory Extension in Egypt: Agricultural Workers' Perspectives

ERIC Educational Resources Information Center

McDonough, Chris; Nuberg, Ian K.; Pitchford, Wayne S.

2015-01-01

Purpose: This paper examines extension practises of agricultural workers within the Egyptian government and the perceived barriers they face in implementing participatory approaches, identifying improvements required in research and extension processes to meet the real needs of Egyptian farming communities. Design/Methodology/Approach: Key…

Industry's Struggle for Skilled Workers.

ERIC Educational Resources Information Center

Barker, Don

1979-01-01

The growing shortage of skilled workers in industrial maintenance, the growing complexity of equipment, and the automation of production processes call for improved and increased employee training and retraining. A General Motors training supervisor notes how education and industry can cooperate to provide this education and training. (MF)