Comparison of content of FDA letters not approving applications for new drugs and associated public announcements from sponsors: cross sectional study

PubMed Central

Chahal, Harinder S; Sigelman, Daniel W; Stacy, Sylvie; Sclar, Joshua; Ddamulira, Barbara

2015-01-01

Objectives To describe the content of non-public complete response letters issued by the US Food and Drug Administration (FDA) when they do not approve marketing applications from sponsors (drug companies) and to compare them with the content any subsequent press releases issued by those sponsors Design Cross sectional study. Data sources All applications for which FDA’s Center for Drug Evaluation and Research initially issued complete response letters (n=61) from 11 August 2008 to 27 June 2013. Complete response letters and press releases were divided into discrete statements related to seven domains and 64 subdomains and assessed to determine whether they matched. Results 48% (29) of complete response letters cited deficiencies in both the safety and efficacy domains, and only 13% cited neither safety nor efficacy deficiencies. No press release was issued for 18% (11) of complete response letters, and 21% (13) of press releases did not match any statements from the letters. Press release statements matched 93 of the 687 statements (14%), including 16% (30/191) of efficacy and 15% (22/150) of safety statements. Of 32 complete response letters that called for a new clinical trial for safety or efficacy, 59% (19) had matching press release statements. Seven complete response letters reported higher mortality rates in treated participants; only one associated press release mentioned this fact. Conclusions FDA generally issued complete response letters to sponsors for multiple substantive reasons, most commonly related to safety and/or efficacy deficiencies. In many cases, press releases were not issued in response to those letters and, when they were, omitted most of the statements in the complete response letters. Press releases are incomplete substitutes for the detailed information contained in complete response letters. PMID:26063327

What is newsworthy? Longitudinal study of the reporting of medical research in two British newspapers

PubMed Central

Bartlett, Christopher; Sterne, Jonathan; Egger, Matthias

2002-01-01

Objective To assess the characteristics of medical research that is press released by general medical journals and reported in newspapers. Design Longitudinal study. Data sources All original research articles published in Lancet and BMJ during 1999 and 2000. Main outcome measures Inclusion of articles in Lancet or BMJ press releases, and reporting of articles in Times or Sun newspapers. Results Of 1193 original research articles, 517 (43%) were highlighted in a press release and 81 (7%) were reported in one or both newspapers. All articles covered in newspapers had been press released. The probability of inclusion in press releases was similar for observational studies and randomised controlled trials, but trials were less likely to be covered in the newspapers (odds ratio 0.15 (95% confidence interval 0.06 to 0.37)). Good news and bad news were equally likely to be press released, but bad news was more likely to be reported in newspapers (1.74 (1.07 to 2.83)). Studies of women's health, reproduction, and cancer were more likely to be press released and covered in newspapers. Studies from industrialised countries other than Britain were less likely to be reported in newspapers (0.51 (0.31 to 0.82)), and no studies from developing countries were covered. Conclusions Characteristics of articles were more strongly associated with selection for reporting in newspapers than with selection for inclusion in press releases, although each stage influenced the reporting process. Newspapers underreported randomised trials, emphasised bad news from observational studies, and ignored research from developing countries. What is already known on this topicNewspapers are an important source of information about the results of medical researchThere are two stages on the path to newspaper coverage—selection by medical journal editors of articles to be press released and the selection of newsworthy articles by journalistsWhat this study addsExamination of press releasing by the Lancet and BMJ and reporting by the Times and Sun showed that selection processes acted at both stagesThe net effect meant that newspapers emphasised results from observational studies, in particular studies of women's health, reproduction, and cancerGood news and bad news were equally likely to be press released, but bad news was more likely to be reported in newspaper articles PMID:12114239

Causal interpretation of correlational studies - Analysis of medical news on the website of the official journal for German physicians.

PubMed

Buhse, Susanne; Rahn, Anne Christin; Bock, Merle; Mühlhauser, Ingrid

2018-01-01

Media frequently draws inappropriate causal statements from observational studies. We analyzed the reporting of study results in the Medical News section of the German medical journal Deutsches Ärzteblatt (DÄ). Study design: Retrospective quantitative content analysis of randomly selected news reports and related original journal articles and press releases. A medical news report was selected if headlines comprised at least two linked variables. Two raters independently categorized the headline and text of each news report, conclusions of the abstract and full text of the related journal article, and the press release. The assessment instrument comprised five categories from 'neutral' to 'unconditionally causal'. Outcome measures: degree of matching between 1) news headlines and conclusions of the journal article, 2) headlines and text of news reports, 3) text and conclusions, and 4) headlines and press releases. We analyzed whether news headlines rated as unconditionally causal based on randomized controlled trials (RCTs). One-thousand eighty-seven medical news reports were published between April 2015 and May 2016. The final random sample comprised 176 news reports and 100 related press releases. Degree of matching: 1) 45% (79/176) for news headlines and journal article conclusions, 2) 55% (97/176) for headlines and text, 3) 53% (93/176) for text and conclusions, and 4) 41% (41/100) for headlines and press releases. Exaggerations were found in 45% (80/176) of the headlines compared to the conclusions of the related journal article. Sixty-five of 137 unconditionally causal statements of the news headlines were phrased more weakly in the subsequent news text body. Only 52 of 137 headlines (38%) categorized as unconditionally causal reported RCTs. Reporting of medical news in the DÄ medical journal is misleading. Most headlines that imply causal associations were not based on RCTs. Medical journalists should follow standards of reporting scientific study results.

Causal interpretation of correlational studies – Analysis of medical news on the website of the official journal for German physicians

PubMed Central

Rahn, Anne Christin; Bock, Merle; Mühlhauser, Ingrid

2018-01-01

Background Media frequently draws inappropriate causal statements from observational studies. We analyzed the reporting of study results in the Medical News section of the German medical journal Deutsches Ärzteblatt (DÄ). Methods Study design: Retrospective quantitative content analysis of randomly selected news reports and related original journal articles and press releases. A medical news report was selected if headlines comprised at least two linked variables. Two raters independently categorized the headline and text of each news report, conclusions of the abstract and full text of the related journal article, and the press release. The assessment instrument comprised five categories from ‘neutral’ to ‘unconditionally causal’. Outcome measures: degree of matching between 1) news headlines and conclusions of the journal article, 2) headlines and text of news reports, 3) text and conclusions, and 4) headlines and press releases. We analyzed whether news headlines rated as unconditionally causal based on randomized controlled trials (RCTs). Results One-thousand eighty-seven medical news reports were published between April 2015 and May 2016. The final random sample comprised 176 news reports and 100 related press releases. Degree of matching: 1) 45% (79/176) for news headlines and journal article conclusions, 2) 55% (97/176) for headlines and text, 3) 53% (93/176) for text and conclusions, and 4) 41% (41/100) for headlines and press releases. Exaggerations were found in 45% (80/176) of the headlines compared to the conclusions of the related journal article. Sixty-five of 137 unconditionally causal statements of the news headlines were phrased more weakly in the subsequent news text body. Only 52 of 137 headlines (38%) categorized as unconditionally causal reported RCTs. Conclusion Reporting of medical news in the DÄ medical journal is misleading. Most headlines that imply causal associations were not based on RCTs. Medical journalists should follow standards of reporting scientific study results. PMID:29723258

Dosage form design and in vitro/in vivo evaluation of cevimeline extended-release tablet formulations.

PubMed

Tajiri, Shinichiro; Kanamaru, Taro; Kamada, Makoto; Makoto, Kamada; Konno, Tsutomu; Nakagami, Hiroaki

2010-01-04

The objective of the present work is to develop an extended-release dosage form of cevimeline. Two types of extended-release tablets (simple matrix tablets and press-coated tablets) were prepared and their potential as extended-release dosage forms were assessed. Simple matrix tablets have a large amount of hydroxypropylcellulose as a rate-controlling polymer and the matrix is homogeneous throughout the tablet. The press-coated tablets consisted of a matrix core tablet, which was completely surrounded by an outer shell containing a large amount of hydroxypropylcellulose. The simple matrix tablets could not sustain the release of cevimeline effectively. In contrast, the press-coated tablets showed a slower dissolution rate compared with simple matrix tablets and the release curve was nearly linear. The dissolution of cevimeline from the press-coated tablets was not markedly affected by the pH of the dissolution medium or by a paddle rotating speed over the range of 50-200 rpm. Furthermore, cevimeline was constantly released from the press-coated tablets in the gastrointestinal tract and the steady-state plasma drug levels were maintained in beagle dogs. These results suggested that the designed PC tablets have a potential for extended-release dosage forms.

From press release to news: mapping the framing of the 2009 H1N1 A influenza pandemic.

PubMed

Lee, Seow Ting; Basnyat, Iccha

2013-01-01

Pandemics challenge conventional assumptions about health promotion, message development, community engagement, and the role of news media. To understand the use of press releases in news coverage of pandemics, this study traces the development of framing devices from a government public health agency's press releases to news stories about the 2009 H1N1 A influenza pandemic. The communication management of the H1N1 pandemic, an international news event with local implications, by the Singapore government is a rich locus for understanding the dynamics of public relations, health communication, and journalism. A content analysis shows that the evolution of information from press release to news is marked by significant changes in media frames, including the expansion and diversification in dominant frames and emotion appeals, stronger thematic framing, more sources of information, conversion of loss frames into gain frames, and amplification of positive tone favoring the public health agency's position. Contrary to previous research that suggests that government information subsidies passed almost unchanged through media gatekeepers, the news coverage of the pandemic reflects journalists' selectivity in disseminating the government press releases and in mediating the information flow and frames from the press releases.

Individual differences in pavlovian autoshaping of lever pressing in rats predict stress-induced corticosterone release and mesolimbic levels of monoamines.

PubMed

Tomie, A; Aguado, A S; Pohorecky, L A; Benjamin, D

2000-03-01

Pavlovian autoshaping CRs are directed and reflexive consummatory responses targeted at objects repeatedly paired with rewarding substances. To evaluate the hypothesis that autoshaping may provide an animal learning model of vulnerability to drug abuse, this study relates individual differences in lever-press autoshaping CR performance in rats to stress-induced corticosterone release and tissue monoamine levels in the mesolimbic dopamine tract. Long-Evans rats (n = 14) were given 20 sessions of Pavlovian autoshaping training wherein the insertion of a retractable lever CS was followed by the response-independent presentation of food US. Large between-subjects differences in lever-press autoshaping CR performance were observed, with group high CR frequency (n = 5) performing many more lever press CRs than group low CR frequency (n = 9). Tail-blood samples were obtained before and after the 20th autoshaping session, then 24 h later the rats were sacrificed and dissection yielded tissue samples of nucleus accumbens (NAC), prefrontal cortex (PFC), caudate putamen (CP), and ventral tegmental area (VTA). Serum levels of postsession corticosterone were elevated in group high CR frequency. HPLC revealed that group high CR frequency had higher tissue levels of dopamine and DOPAC in NAC, lower levels of DOPAC/DA turnover in CP, and lower levels of 5-HIAA and lower 5-HIAA/5-HT turnover in VTA. The neurochemical profile of rats that perform more autoshaping CRs share some features of vulnerability to drug abuse.

In vitro dissolution and in vivo gamma scintigraphic evaluation of press-coated salbutamol sulfate tablets.

PubMed

Li, Wei; Shi, Cai-Hong; Sheng, Yi-Ling; Cui, Ping; Zhao, Yu-Qing; Zhang, Xiang-Rong

2013-12-01

The aim of this study was to investigate the in vitro and in vivo performance of salbutamol sulfate press-coated tablets for delayed release. The in vitro release behavior of press-coated tablets with the outer layer of PEG 6000/ Eudragit S100 blends (2:1) in pH 1.2 (0.1 mol L-1 HCl) and then pH 6.8 buffer solution was examined. Morphological change of the press-coated tablet during in vitro release was recorded with a digital camera. Release of salbutamol sulfate from press-coated tablets was less than 5 % before 3 h and was completed after 8 h in pH 6.8 phosphate buffer solution. In vivo gamma scintigraphy study carried out on healthy men indicated that the designed system released the drug in lower parts of the GI tract after a lag time of 5 hours. The results showed the capability of the system of achieving delayed release of the drug in both in vitro and in vivo gamma scintigraphy studies.

Effect of gas release in hot molding on flexural strength of composite friction brake

NASA Astrophysics Data System (ADS)

Rusdja, Andy Permana; Surojo, Eko; Muhayat, Nurul; Raharjo, Wijang Wisnu

2018-02-01

Composite friction brake is a vital part of braking system which serves to reduce the speed of vehicle. To fulfill the requirement of brake performance, composite friction brake must have friction and mechanical characteristic as required. The characteristics of composite friction brake are affected by brake material formulation and manufacturing parameter. In the beginning of hot molding, intermittent hot pressing was carried out to release the gases that consist of ammonia gas and water vapor. In composite friction brake, phenolic resin containing hexamethylenetetramine (HMTA) is often used as a binder. During hot molding, the reaction of phenolic resin and HMTA forms ammonia gas. Hot molding also generates water vapor because raw materials absorb moisture from environment when they are placed in storage. The gas release in hot molding is supposed affecting mechanical properties because it avoid entrapped gas in composite, so that this research investigated effect of gas release on flexural strength. Manufacturing of composite specimen was carried out as follow: mixing of raw materials, cold molding, and hot molding. In this research, duration of intermittent hot pressing and number of gas release were varied. The flexural strength of specimen was measured using three point bending test. The results showed that flexural strength specimens that were manufactured without gas release, using 4 times gas release with intermittent hot pressing for 5 and 10 seconds were not remarkably different. Conversely, hot molding using 4 times gas release with intermittent hot pressing for 15 seconds decreased flexural strength of composite. Hot molding using 2, 4, and 8 times gas release with intermittent hot pressing for 10 seconds also had no effect on increasing flexural strength. Increasing of flexural strength of composite was obtained only by using 6 times gas release with intermittent hot pressing for 10 seconds.

Zika pandemic online trends, incidence and health risk communication: a time trend study.

PubMed

Adebayo, Gbenga; Neumark, Yehuda; Gesser-Edelsburg, Anat; Abu Ahmad, Wiessam; Levine, Hagai

2017-01-01

We aimed to describe the online search trends of Zika and examine their association with Zika incidence, assess the content of Zika-related press releases issued by leading health authorities and examine the association between online trends and press release timing. Using Google Trends, the 1 May 2015 to 30 May 2016 online trends of Zika and associated search terms were studied globally and in the five countries with the highest numbers of suspected cases. Correlations were then examined between online trends and Zika incidence in these countries. All Zika-related press releases issued by WHO/Pan America Health Organization (PAHO) and Centers for Disease Control and Prevention (CDC) during the study period were assessed for transparency, uncertainty and audience segmentation. Witte's Extended Parallel Process Model was applied to assess self-efficacy, response efficacy, susceptibility and severity. AutoRegressive Integrated Moving Average with an eXogenous predictor variable (ARIMAX) (p,d,q) regression modelling was used to quantify the association between online trends and the timing of press releases. Globally, Zika online search trends were low until the beginning of 2016, when interest rose steeply. Strong correlations (r=0.748-0.922; p<0.001) were observed between online trends and the number of suspected Zika cases in four of the five countries studied. Compared with press releases issued by WHO/PAHO, CDC press releases were significantly more likely to provide contact details and links to other resources, include figures/graphs, be risk-advisory in nature and be more readable and briefer. ARIMAX modelling results indicate that online trends preceded by 1 week press releases by WHO (stationary-R 2 =0.345; p<0.001) and CDC (stationary-R 2 =0.318; p=0.014). These results suggest that online trends can aid in pandemic surveillance. Identification of shortcomings in the content and timing of Zika press releases can help guide health communication efforts in the current pandemic and future public health emergencies.

The Right Tools for the Right Jobs.

ERIC Educational Resources Information Center

Barbalich, Andrea, Ed.

1995-01-01

A chart shows the best campus public relations uses for 17 communication techniques: face-to-face contact; phone call, regular mail; electronic mail; special events; a speech; press release; press kit; press conference; television and radio public service announcements; video news releases; promotions and posters; advertising; newsletter;…

Genetic Alliance

MedlinePlus

... Main menu About Us - Council - Staff - Jobs and Internships - Press Releases - Annual Reports - Archives & History -- Introduction -- Genetic ... Celebration Contact About Us Council Staff Jobs and Internships Press Releases Annual Reports Archives & History Sign Up ...

[Preparation and evaluation of press-coated aminophylline tablet using crystalline cellulose and polyethylene glycol in the outer shell for timed-release dosage forms].

PubMed

Watanabe, Yoshiteru; Mukai, Baku; Kawamura, Ken-ichi; Ishikawa, Tatsuya; Namiki, Michihiro; Utoguchi, Naoki; Fujii, Makiko

2002-02-01

In an attempt to achieve chronopharmacotherapy for asthma, press-coated tablets (250 mg), which contained aminophylline in the core tablet in the form of low-substituted hydroxypropylcellulose (L-HPC) and coated with crystalline cellulose (PH-102) and polyethylene glycol (PEG) at various molecular weights and mixing ratios in the amounts of PH-102 and PEG as the outer shell (press-coating material), were prepared (chronopharmaceutics). Their applicability as timed-release (delayed-release) tablets with a lag time of disintegration and a subsequent rapid drug release phase was investigated. Various types of press-coated tablets were prepared using a tableting machine, and their aminophylline dissolution profiles were evaluated by the JP paddle method. Tablets with the timed-release characteristics could be prepared, and the lag time of disintegration was prolonged as the molecular weight and the amount of PEG, for example PEG 500,000, in the outer shell were increased. The lag time of disintegration could be controlled by the above-mentioned method, however, the pH of the medium had no effect on disintegration of the tablet and dissolution behavior of theophylline. The press-coated tablet (core tablet:aminophylline 50 mg, L-HPC and PEG 6000; outer shell:PH-102:PEG = 8:2 200 mg) with the timed-release characteristics was administered orally to rabbits for an in vivo test. Theophylline was first detected in plasma more than 2 h after administration; thus, this tablet showed a timed-release characteristics in the gastrointestinal tract. The time (tmax) required to reach the maximum plasma theophylline concentration (Cmax) observed after administration of the press-coated tablet was significantly (p < 0.05) delayed compared with that observed after administration of aminophylline solution in the control experiment. However, there was no difference in Cmax and area under the plasma theophylline concentration-time curve (AUC0-->24) between the press-coated tablet and aminophylline solution. These results suggest that the press-coated aminophylline tablet (with the timed-release characteristic) offers a promising forms of theophylline chronotherapy for asthma.

Zika pandemic online trends, incidence and health risk communication: a time trend study

PubMed Central

Neumark, Yehuda; Gesser-Edelsburg, Anat; Abu Ahmad, Wiessam

2017-01-01

Objectives We aimed to describe the online search trends of Zika and examine their association with Zika incidence, assess the content of Zika-related press releases issued by leading health authorities and examine the association between online trends and press release timing. Design Using Google Trends, the 1 May 2015 to 30 May 2016 online trends of Zika and associated search terms were studied globally and in the five countries with the highest numbers of suspected cases. Correlations were then examined between online trends and Zika incidence in these countries. All Zika-related press releases issued by WHO/Pan America Health Organization (PAHO) and Centers for Disease Control and Prevention (CDC) during the study period were assessed for transparency, uncertainty and audience segmentation. Witte's Extended Parallel Process Model was applied to assess self-efficacy, response efficacy, susceptibility and severity. AutoRegressive Integrated Moving Average with an eXogenous predictor variable (ARIMAX) (p,d,q) regression modelling was used to quantify the association between online trends and the timing of press releases. Results Globally, Zika online search trends were low until the beginning of 2016, when interest rose steeply. Strong correlations (r=0.748–0.922; p<0.001) were observed between online trends and the number of suspected Zika cases in four of the five countries studied. Compared with press releases issued by WHO/PAHO, CDC press releases were significantly more likely to provide contact details and links to other resources, include figures/graphs, be risk-advisory in nature and be more readable and briefer. ARIMAX modelling results indicate that online trends preceded by 1 week press releases by WHO (stationary-R2=0.345; p<0.001) and CDC (stationary-R2=0.318; p=0.014). Conclusions These results suggest that online trends can aid in pandemic surveillance. Identification of shortcomings in the content and timing of Zika press releases can help guide health communication efforts in the current pandemic and future public health emergencies. PMID:29082006

Press Release | CTIO

Science.gov Websites

Program PIA Program GO-FAAR Program Other Opportunities Tourism Visits to Tololo Astro tourism in Chile Tourism in Chile Information for travelers Visit Tololo Media Relations News Press Release Publications

Macular Degeneration Prevention and Risk Factors

MedlinePlus

... FAQs Our Funding Philosophy Events Contact News & Media Science News Publications Multimedia Press Releases Newsletters Media Coverage ... FAQs Our Funding Philosophy Events Contact News & Media Science News Publications Multimedia Press Releases Newsletters Media Coverage ...

U.S. Sanctions on Burma

DTIC Science & Technology

2010-07-16

3)(a)(3)—progress on human rights, release of all political prisoners, freedom of speech and the press, freedom of association, peaceful...release of all political prisoners, freedom of speech and the press, freedom of association, peaceful exercise of religion, democratic governance, not...political prisoners, allowing freedom of speech , the press, and association, permitting the peaceful exercise of religion, and concluding an agreement

Summer Bookaneers: Sign on with Captain Book. 1990 Florida Summer Library Program.

ERIC Educational Resources Information Center

Fiore, Carole D., Comp.; Fine, Jana R., Comp.

Designed for use by children's librarians in organizing and conducting a summer reading program for children 5 through 12 years of age, this "log book" contains suggestions for activities related to a seafaring theme together with lists of selected materials relevant to the particular activities. Samples of a press release and several…

Study by NOAA and Partners Shows Some Gulf Dolphins Severely Ill | NOAA

Science.gov Websites

Publications Press Releases Story Archive Home Study by NOAA and Partners Shows Some Gulf Dolphins Severely Ill Study by NOAA and Partners Shows Some Gulf Dolphins Severely Ill Aug 2011: Veterinarians collect samples of 2011, preliminary results show that many of the dolphins in the study are underweight, anemic

Phase III Archives | NOAA Gulf Spill Restoration

Science.gov Websites

III Early Restoration Plan and Draft Early Restoration PEIS Executive Summary (pdf, 3.4 MB) Project Summary Table (pdf, 80 KB) Public Repositories (pdf, 113 KB) Press Release (pdf, 501 KB) Press Release

To bind or not to bind? Different temporal binding effects from voluntary pressing and releasing actions.

PubMed

Zhao, Ke; Chen, Yu-Hsin; Yan, Wen-Jing; Fu, Xiaolan

2013-01-01

Binding effect refers to the perceptual attraction between an action and an outcome leading to a subjective compression of time. Most studies investigating binding effects exclusively employ the "pressing" action without exploring other types of actions. The present study addresses this issue by introducing another action, releasing action or the voluntary lifting of the finger/wrist, to investigate the differences between voluntary pressing and releasing actions. Results reveal that releasing actions led to robust yet short-lived temporal binding effects, whereas pressing condition had steady temporal binding effects up to super-seconds. The two actions also differ in sensitivity to changes in temporal contiguity and contingency, which could be attributed to the difference in awareness of action. Extending upon current models of "willed action," our results provide insights from a temporal point of view and support the concept of a dual system consisting of predictive motor control and top-down mechanisms.

36 CFR 1258.10 - How does NARA develop and publicize new records reproduction fees?

Code of Federal Regulations, 2014 CFR

2014-07-01

...-line at http://www.archives.gov, by press releases, and through NARA's social media outlets. (2) New... nationwide, on-line at http://www.archives.gov, press releases, and through NARA's social media outlets. ...

36 CFR 1258.10 - How does NARA develop and publicize new records reproduction fees?

Code of Federal Regulations, 2012 CFR

2012-07-01

...-line at http://www.archives.gov, by press releases, and through NARA's social media outlets. (2) New... nationwide, on-line at http://www.archives.gov, press releases, and through NARA's social media outlets. ...

Former NCI Researcher, George Vande Woude, Receives AAAS Fellowship Award | Poster

Cancer.gov

Editor’s Note: This article was adapted from a press release and biographical information from the Van Andel Research Institute’s website: http://www.vai.org/en/NewsRoom/press-release-01-28-14.aspx.

36 CFR § 1258.10 - How does NARA develop and publicize new records reproduction fees?

Code of Federal Regulations, 2013 CFR

2013-07-01

...-line at http://www.archives.gov, by press releases, and through NARA's social media outlets. (2) New... nationwide, on-line at http://www.archives.gov, press releases, and through NARA's social media outlets. ...

CENTCOM WEBMAIL

Science.gov Websites

RESPONSIBILITY CENTCOM COALITION MEDIA SOCIAL MEDIA NEWS ARTICLES PRESS RELEASES IMAGERY VIDEOS TRANSCRIPTS VISITORS AND PERSONNEL FAMILY CENTER FAMILY READINESS CENTCOM WEBMAIL SOCIAL MEDIA SECURITY ACCOUNTABILITY Social Media News Articles Press Releases Video And Imagery Visitors And Personnel Family Readiness

VISITORS AND PERSONNEL

Science.gov Websites

RESPONSIBILITY CENTCOM COALITION MEDIA SOCIAL MEDIA NEWS ARTICLES PRESS RELEASES IMAGERY VIDEOS TRANSCRIPTS VISITORS AND PERSONNEL FAMILY CENTER FAMILY READINESS CENTCOM WEBMAIL SOCIAL MEDIA SECURITY ACCOUNTABILITY Inherent Resolve Resolute Support Media Social Media News Articles Press Releases Video And Imagery

United States European Command

Science.gov Websites

Organization The Region History Media Library Articles Press Releases Photos Videos Documents Blog Posts Us Press Releases Site Policies Site Translation (Disclaimer) EUCOM's disclaimer regarding this . More in Site Policies External Links Privacy and Security Accessibility/Section 508 Site Translation

Characterizing the (Perceived) Newsworthiness of Health Science Articles: A Data-Driven Approach.

PubMed

Zhang, Ye; Willis, Erin; Paul, Michael J; Elhadad, Noémie; Wallace, Byron C

2016-09-22

Health science findings are primarily disseminated through manuscript publications. Information subsidies are used to communicate newsworthy findings to journalists in an effort to earn mass media coverage and further disseminate health science research to mass audiences. Journal editors and news journalists then select which news stories receive coverage and thus public attention. This study aims to identify attributes of published health science articles that correlate with (1) journal editor issuance of press releases and (2) mainstream media coverage. We constructed four novel datasets to identify factors that correlate with press release issuance and media coverage. These corpora include thousands of published articles, subsets of which received press release or mainstream media coverage. We used statistical machine learning methods to identify correlations between words in the science abstracts and press release issuance and media coverage. Further, we used a topic modeling-based machine learning approach to uncover latent topics predictive of the perceived newsworthiness of science articles. Both press release issuance for, and media coverage of, health science articles are predictable from corresponding journal article content. For the former task, we achieved average areas under the curve (AUCs) of 0.666 (SD 0.019) and 0.882 (SD 0.018) on two separate datasets, comprising 3024 and 10,760 articles, respectively. For the latter task, models realized mean AUCs of 0.591 (SD 0.044) and 0.783 (SD 0.022) on two datasets-in this case containing 422 and 28,910 pairs, respectively. We reported most-predictive words and topics for press release or news coverage. We have presented a novel data-driven characterization of content that renders health science "newsworthy." The analysis provides new insights into the news coverage selection process. For example, it appears epidemiological papers concerning common behaviors (eg, alcohol consumption) tend to receive media attention.

Current status and approaches to developing press-coated chronodelivery drug systems.

PubMed

Lin, Shan-Yang; Kawashima, Yoshiaki

2012-02-10

The past several decades have seen the development of many controlled-release preparations featuring constant release rates to maintain drug concentrations in the human body, regardless of the patient's physiological condition. However, long-term constant drug concentrations in the blood and tissue can cause problems such as resistance, tolerability, and drug side effects. People vary considerably in their physiological and biochemical conditions during any 24 h period, due to the circadian rhythm, and thus, the constant delivery of a drug into the body seems both unnecessary and undesirable. If the drug release profile mimics a living system's pulsatile hormone secretion, then it may improve drug efficacy, and reduce the toxicity of a specific drug administration schedule. Medication and treatments provided according to the body's circadian rhythms will result in better outcomes. This may be provided by a chronopharmaceutical dosage regimen with pulsatile release that matches the circadian rhythm resulting from a disease state, so optimizing the therapeutic effect while minimizing side effects. The press coating technique is a simple and unique technology used to provide tablets with a programmable lag phase, followed by a fast, or rate-controlled, drug release after administration. The technique offers many advantages, and no special coating solvent or coating equipment is required for manufacturing this type of tablet. The present review article introduces chronopharmaceutical press-coated products from a patient physiological needs perspective. The contents of this article include biological rhythms and pulsatile hormone secretion in humans, the reasons for using pulsatile drug delivery for disease treatment, recent chronopharmaceutical preparations appearing on the market, updated compilation of all research articles and press-coated delivery techniques, factors affecting the performance and drug release characteristics of press-coated delivery systems, and recent challenges for the press coating technique. We also provide a brief overview of press-coating approaches intended for chronotherapy. Copyright © 2011 Elsevier B.V. All rights reserved.

Pharmacokinetics, safety, and effects on exercise performance of L-arginine alpha-ketoglutarate in trained adult men.

PubMed

Campbell, Bill; Roberts, Mike; Kerksick, Chad; Wilborn, Colin; Marcello, Brandon; Taylor, Lem; Nassar, Erika; Leutholtz, Brian; Bowden, Rodney; Rasmussen, Chris; Greenwood, Mike; Kreider, Richard

2006-09-01

We evaluated the pharmacokinetics, safety, and efficacy of l-arginine alpha-ketoglutarate (AAKG) in trained adult men. Subjects participated in two studies that employed a randomized, double-blind, controlled design. In study 1, 10 healthy men (30-50 y old) fasted for 8 h and then ingested 4 g of time-released or non-timed-released AAKG. Blood samples were taken for 8 h after AAKG ingestion to assess the pharmacokinetic profile of L-arginine. After 1 wk the alternative supplement was ingested. In study 2, which was placebo controlled, 35 resistance-trained adult men (30-50 y old) were randomly assigned to ingest 4 g of AAKG (three times a day, i.e., 12 g daily, n = 20) or placebo (n = 15). Participants performed 4 d of periodized resistance training per week for 8 wk. At 0, 4, and 8 wk of supplementation the following tests were performed: clinical blood markers, one repetition maximum bench press, isokinetic quadriceps muscle endurance, anaerobic power, aerobic capacity, total body water, body composition, and psychometric parameters tests. Data were analyzed by repeated measures analysis of variance. In study 1, significant differences were observed in plasma arginine levels in subjects taking non-timed-release and timed-release AAKG. In study 2, significant differences were observed in the AAKG group (P < 0.05) for 1RM bench press, Wingate peak power, blood glucose, and plasma arginine. No significant differences were observed between groups in body composition, total body water, isokinetic quadriceps muscle endurance, or aerobic capacity. AAKG supplementation appeared to be safe and well tolerated, and positively influenced 1RM bench press and Wingate peak power performance. AAKG did not influence body composition or aerobic capacity.

CUNY's Voter Registration System.

ERIC Educational Resources Information Center

Hershenson, Jay; And Others

This collection of items including public testimony by the Vice Chancellor, Jay Hershenson, a formal resolution, a press release, and brochures, documents the City University of New York's (CUNY) unique voter registration system, "CUNY Project Vote". As the press release describes it, Project Vote is the nation's largest student voter…

Reciprocating pellet press

DOEpatents

Jones, Charles W.

1981-04-07

A machine for pressing loose powder into pellets using a series of reciprocating motions has an interchangeable punch and die as its only accurately machines parts. The machine reciprocates horizontally between powder receiving and pressing positions. It reciprocates vertically to press, strip and release a pellet.

Hydrophilic excipients modulate the time lag of time-controlled disintegrating press-coated tablets.

PubMed

Lin, Shan-Yang; Li, Mei-Jane; Lin, Kung-Hsu

2004-08-16

An oral press-coated tablet was developed by means of direct compression to achieve the time-controlled disintegrating or rupturing function with a distinct predetermined lag time. This press-coated tablet containing sodium diclofenac in the inner core was formulated with an outer shell by different weight ratios of hydrophobic polymer of micronized ethylcellulose (EC) powder and hydrophilic excipients such as spray-dried lactose (SDL) or hydroxypropyl methylcellulose (HPMC). The effect of the formulation of an outer shell comprising both hydrophobic polymer and hydrophilic excipients on the time lag of drug release was investigated. The release profile of the press-coated tablet exhibited a time period without drug release (time lag) followed by a rapid and complete release phase, in which the outer shell ruptured or broke into 2 halves. The lag phase was markedly dependent on the weight ratios of EC/SDL or EC/HPMC in the outer shell. Different time lags of the press-coated tablets from 1.0 to 16.3 hours could be modulated by changing the type and amount of the excipients. A semilogarithmic plot of the time lag of the tablet against the weight ratios of EC/SDL or EC/HPMC in the outer shell demonstrated a good linear relationship, with r = 0.976 and r = 0.982, respectively. The predetermined time lag prior to the drug release from a press-coated tablet prepared by using a micronized EC as a retarding coating shell can be adequately scheduled with the addition of hydrophilic excipients according to the time or site requirements.

Canada on the Move: an intensive media analysis from inception to reception.

PubMed

Faulkner, Guy; Finlay, Sara-Jane

2006-01-01

Research evaluating mediated physical activity campaigns uses an unsophisticated conceptualization of the media and would benefit from the application of a media studies approach. The purpose of this article is to report on the application of this type of analysis to the Canada on the Move media campaign. Through interviews and document analysis, the press release surrounding Canada on the Move was examined at four levels: inception, production, transmission and reception. Analytic strategies of thematic and textual analysis were conducted. The press release was well received by journalists and editors and was successfully transmitted as inferred from national and local television coverage, although there was no national print pickup. Canada on the Move was perceived by sampled audience members as a useful and interesting strategy to encourage walking. A holistic approach to media analysis reveals the complex and frequently messy process of this mediated communication process. Implications for future media disseminations of Canada on the Move are discussed.

The Characterization of Psychrophilic Microorganisms and their potentially useful Cold-Active Glycosidases Final Progress Report

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

Brenchly, Jean E.

Our studies of novel, cold-loving microorganisms have focused on two distinct extreme environments. The first is an ice core sample from a 120,000 year old Greenland glacier. The results of this study are particularly exciting and have been highlighted with press releases and additional coverage. The first press release in 2004 was based on our presentation at the General Meeting of the American Society for Microbiology and was augmented by coverage of our publication (Appl. Environ. Microbiol. 2005. Vol. 71:7806) in the Current Topics section of the ASM news journal, “Microbe.” Of special interest for this report was the isolationmore » of numerous, phylogenetically distinct and potentially novel ultrasmall microorganisms. The detection and isolation of members of the ultrasmall population is significant because these cells pass through 0.2 micron pore filters that are generally used to trap microorganisms from environmental samples. Thus, analyses by other investigators that examined only cells captured on the filters would have missed a significant portion of this population. Only a few ultrasmall isolates had been obtained prior to our examination of the ice core samples. Our development of a filtration enrichment and subsequent cultivation of these organisms has added extensively to the collection of, and knowledge about, this important population in the microbial world.« less

Connecting American Manufacturing (CAM)

DTIC Science & Technology

2013-12-01

for the CAM program, a press release (refer to Appendix C) was released on Businesswire in August 2012 to make the announcement. This press release... August 2012 – TKO Training, Columbus, OH o MFG.com sent a member of their technology team to TKO training in Columbus in an effort to learn more...The number of RFQs available for quotation decreased from 217 in August 2012 to 146 in September 2012 and down further to 111 in October 2012

Optimization of propranolol HCl release kinetics from press coated sustained release tablets.

PubMed

Ali, Adel Ahmed; Ali, Ahmed Mahmoud

2013-01-01

Press-coated sustained release tablets offer a valuable, cheap and easy manufacture alternative to the highly expensive, multi-step manufacture and filling of coated beads. In this study, propranolol HCl press-coated tablets were prepared using hydroxylpropylmethylcellulose (HPMC) as tablet coating material together with carbopol 971P and compressol as release modifiers. The prepared formulations were optimized for zero-order release using artificial neural network program (INForm, Intelligensys Ltd, North Yorkshire, UK). Typical zero-order release kinetics with extended release profile for more than 12 h was obtained. The most important variables considered by the program in optimizing formulations were type and proportion of polymer mixture in the coat layer and distribution ratio of drug between core and coat. The key elements found were; incorporation of 31-38 % of the drug in the coat, fixing the amount of polymer in coat to be not less than 50 % of coat layer. Optimum zero-order release kinetics (linear regression r2 = 0.997 and Peppas model n value > 0.80) were obtained when 2.5-10 % carbopol and 25-42.5% compressol were incorporated into the 50 % HPMC coat layer.

American Pain Society

MedlinePlus

... 2014 News Releases Press Room - Pain Education in Physical Therapy Schools Press Room - Misuse of Therapeutic Opioids Press ... of Chronic or Severe Pain in U.S. Adults Physical Therapy for Carpal Tunnel Syndrome Pain Often As Effective ...

Media | NOAA Gulf Spill Restoration

Science.gov Websites

Louisiana Mississippi Texas Region-wide Open Ocean Data Media & News Publications Press Releases Story Archive Home Media Media Here you can find the latest news and publications related to the Deepwater Horizon oil spill. Our Media Kit provides: Press releases; Photos, videos, and b-roll; Audio from news

Characterizing the (Perceived) Newsworthiness of Health Science Articles: A Data-Driven Approach

PubMed Central

Willis, Erin; Paul, Michael J; Elhadad, Noémie; Wallace, Byron C

2016-01-01

Background Health science findings are primarily disseminated through manuscript publications. Information subsidies are used to communicate newsworthy findings to journalists in an effort to earn mass media coverage and further disseminate health science research to mass audiences. Journal editors and news journalists then select which news stories receive coverage and thus public attention. Objective This study aims to identify attributes of published health science articles that correlate with (1) journal editor issuance of press releases and (2) mainstream media coverage. Methods We constructed four novel datasets to identify factors that correlate with press release issuance and media coverage. These corpora include thousands of published articles, subsets of which received press release or mainstream media coverage. We used statistical machine learning methods to identify correlations between words in the science abstracts and press release issuance and media coverage. Further, we used a topic modeling-based machine learning approach to uncover latent topics predictive of the perceived newsworthiness of science articles. Results Both press release issuance for, and media coverage of, health science articles are predictable from corresponding journal article content. For the former task, we achieved average areas under the curve (AUCs) of 0.666 (SD 0.019) and 0.882 (SD 0.018) on two separate datasets, comprising 3024 and 10,760 articles, respectively. For the latter task, models realized mean AUCs of 0.591 (SD 0.044) and 0.783 (SD 0.022) on two datasets—in this case containing 422 and 28,910 pairs, respectively. We reported most-predictive words and topics for press release or news coverage. Conclusions We have presented a novel data-driven characterization of content that renders health science “newsworthy.” The analysis provides new insights into the news coverage selection process. For example, it appears epidemiological papers concerning common behaviors (eg, alcohol consumption) tend to receive media attention. PMID:27658571

Press-coated tablets for time-programmed release of drugs.

PubMed

Conte, U; Maggi, L; Torre, M L; Giunchedi, P; La Manna, A

1993-10-01

A new dry-coated device for the release of drug after a programmable period of time is proposed. It is intended to be used mainly in the therapy of those diseases which depend on circadian rhythms. Some core formulations, characterized by different release rates and mechanisms (containing diltiazem hydrochloride or sodium diclofenac as model drugs), were coated by compression with different polymeric barrier layers (press-coated systems). The shell formulations tested contained either gellable or erodible polymers. The dissolution profiles of uncoated cores and press-coated devices were compared. The gellable and/or erodible characteristics (properties) of the barrier formulations were also examined by means of a penetrometer. The coatings prevent drug release from the core until the polymeric shell is completely eroded or swollen. This delay in release start is not influenced by the core composition and depends only on the shell formulation. Except for the time-lag, the release kinetics of the drug contained in the core are not significantly influenced by the presence of the erodible barrier, but can be widely modulated using a swellable polymeric shell.

Ted Stevens Anchorage International Airport

Science.gov Websites

than 50 years, Ted Stevens Anchorage International Airport has played an integral role in the growth of System Forecasts Robust Tourism Growth for the Summer Season Press Release 4-24-18 offside link Sun Cargo Growth 2017 Press Release 2-12-18 offsite link ANC 15-33 Project Website offsite link May 2018

Corporate Responsibility in Communication: Empirical Analysis of Press Releases in a Conflict

ERIC Educational Resources Information Center

Lehtimaki, Hanna; Kujala, Johanna; Heikkinen, Anna

2011-01-01

The paper examines how the tensions of corporate responsibility are articulated and reconciled in a controversial situation of a foreign investment. We conducted a conventionalist analysis on the company press releases in a case where a Finnish forest industry company invested in a pulp mill in South America. The findings show that the use of…

Disruption of Pseudomonas putida by high pressure homogenization: a comparison of the predictive capacity of three process models for the efficient release of arginine deiminase.

PubMed

Patil, Mahesh D; Patel, Gopal; Surywanshi, Balaji; Shaikh, Naeem; Garg, Prabha; Chisti, Yusuf; Banerjee, Uttam Chand

2016-12-01

Disruption of Pseudomonas putida KT2440 by high-pressure homogenization in a French press is discussed for the release of arginine deiminase (ADI). The enzyme release response of the disruption process was modelled for the experimental factors of biomass concentration in the broth being disrupted, the homogenization pressure and the number of passes of the cell slurry through the homogenizer. For the same data, the response surface method (RSM), the artificial neural network (ANN) and the support vector machine (SVM) models were compared for their ability to predict the performance parameters of the cell disruption. The ANN model proved to be best for predicting the ADI release. The fractional disruption of the cells was best modelled by the RSM. The fraction of the cells disrupted depended mainly on the operating pressure of the homogenizer. The concentration of the biomass in the slurry was the most influential factor in determining the total protein release. Nearly 27 U/mL of ADI was released within a single pass from slurry with a biomass concentration of 260 g/L at an operating pressure of 510 bar. Using a biomass concentration of 100 g/L, the ADI release by French press was 2.7-fold greater than in a conventional high-speed bead mill. In the French press, the total protein release was 5.8-fold more than in the bead mill. The statistical analysis of the completely unseen data exhibited ANN and SVM modelling as proficient alternatives to RSM for the prediction and generalization of the cell disruption process in French press.

Lost in Translation? A Comparison of Cancer-Genetics Reporting in the Press Release and its Subsequent Coverage in Lay Press1

PubMed Central

Brechman, Jean M.; Lee, Chul-joo; Cappella, Joseph N.

2014-01-01

Understanding how genetic science is communicated to the lay public is of great import, given that media coverage of genetics is increasing exponentially and that the ways in which discoveries are presented in the news can have significant effects on a variety of health outcomes. To address this issue, this study examines the presentation of genetic research relating to cancer outcomes and behaviors (i.e., prostate cancer, breast cancer, colon cancer, smoking and obesity) in both the press release (N = 23) and its subsequent news coverage (N = 71) by using both quantitative content analysis and qualitative textual analysis. In contrast to earlier studies reporting that news stories often misrepresent genetics by presenting biologically deterministic and simplified portrayals (e.g., Mountcastle-Shah et al., 2003; Ten Eych & Williment, 2003), our data shows no clear trends in the direction of distortion toward deterministic claims in news articles. Also, other errors commonly attributed to science journalism, such as lack of qualifying details and use of oversimplified language (e.g., “fat gene”) are observed in press releases. These findings suggest that the intermediary press release rather than news coverage may serve as a source of distortion in the dissemination of science to the lay public. The implications of this study for future research in this area are discussed. PMID:25568611

Externalities and article citations: experience of a national public health journal (Gaceta Sanitaria).

PubMed

Ruano-Ravina, Alberto; Álvarez-Dardet, Carlos; Domínguez-Berjón, M Felicitas; Fernández, Esteve; García, Ana M; Borrell, Carme

2016-01-01

The purpose of the study was to analyze the determinants of citations such as publication year, article type, article topic, article selected for a press release, number of articles previously published by the corresponding author, and publication language in a Spanish journal of public health. Observational study including all articles published in Gaceta Sanitaria during 2007-2011. We retrieved the number of citations from the ISI Web of Knowledge database in June 2013 and also information on other variables such as number of articles published by the corresponding author in the previous 5 years (searched through PubMed), selection for a press release, publication language, article type and topic, and others. We included 542 articles. Of these, 62.5% were cited in the period considered. We observed an increased odds ratio of citations for articles selected for a press release and also with the number of articles published previously by the corresponding author. Articles published in English do not seem to increase their citations. Certain externalities such as number of articles published by the corresponding author and being selected for a press release seem to influence the number of citations in national journals. Copyright © 2016 Elsevier Inc. All rights reserved.

Distorting Genetic Research about Cancer: From Bench Science to Press Release to Published News.

PubMed

Brechman, Jean M; Lee, Chul-Joo; Cappella, Joseph

2011-06-01

This study considered genetic research relating to cancer outcomes and behaviors, specifically investigating the extent to which claims made in press releases ( N =23) and mainstream print media ( N =71) were fairly derived from their original presentation in scholarly journals ( N= 20 ). Central claims expressing gene-outcome relationships were evaluated by a large pool ( N= 40) of genetics graduate students. Raters judged press release claims as significantly more representative of material within the original science journal article compared with news article claims. Claims originating in news articles which demonstrated contact with individuals not directly involved in the research were judged by experts to be more representative of the original science as compared with those that demonstrated contact with individuals directly involved in the research.

Distorting Genetic Research about Cancer: From Bench Science to Press Release to Published News1

PubMed Central

Brechman, Jean M.; Lee, Chul-joo; Cappella, Joseph

2014-01-01

This study considered genetic research relating to cancer outcomes and behaviors, specifically investigating the extent to which claims made in press releases (N=23) and mainstream print media (N=71) were fairly derived from their original presentation in scholarly journals (N=20). Central claims expressing gene-outcome relationships were evaluated by a large pool (N=40) of genetics graduate students. Raters judged press release claims as significantly more representative of material within the original science journal article compared with news article claims. Claims originating in news articles which demonstrated contact with individuals not directly involved in the research were judged by experts to be more representative of the original science as compared with those that demonstrated contact with individuals directly involved in the research. PMID:25580022

Morphology and transport in biodegradable polymer compositions based on poly(3-hydroxybutyrate) and polyamide 54C

NASA Astrophysics Data System (ADS)

Zhul'Kina, A. L.; Ivantsova, E. L.; Filatova, A. G.; Kosenko, R. Yu.; Gumargalieva, K. Z.; Iordanskii, A. L.

2009-05-01

Complex investigation of the equilibrium sorption of water, diffusive transport of antiseptic, and morphology of mixed compositions based on polyoxybutirate and polyamide resin 54C has been performed to develop and analyze new biodegradable polymer compositions for controlled release of medicinal substances. Samples of mixtures were prepared by two methods: pressing under pressure and solvent evaporation from a polymer solution. The samples were compared and their morphology was analyzed by scanning electron microscopy. It is shown that the component ratio in the obtained mixtures affects their morphological, transport, and sorption characteristics.

Morphology and transport in biodegradable polymer compositions based on poly(3-hydroxybutyrate) and polyamide 54C

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

Zhul'kina, A. L.; Ivantsova, E. L.; Filatova, A. G.

2009-05-15

Complex investigation of the equilibrium sorption of water, diffusive transport of antiseptic, and morphology of mixed compositions based on polyoxybutirate and polyamide resin 54C has been performed to develop and analyze new biodegradable polymer compositions for controlled release of medicinal substances. Samples of mixtures were prepared by two methods: pressing under pressure and solvent evaporation from a polymer solution. The samples were compared and their morphology was analyzed by scanning electron microscopy. It is shown that the component ratio in the obtained mixtures affects their morphological, transport, and sorption characteristics.

10 CFR 2.1005 - Exclusions.

Code of Federal Regulations, 2012 CFR

2012-01-01

... administration, such as material related to budgets, financial management, personnel, office space, general...; (d) Press clippings and press releases; (e) Junk mail; (f) References cited in contractor reports...

10 CFR 2.1005 - Exclusions.

Code of Federal Regulations, 2010 CFR

2010-01-01

... administration, such as material related to budgets, financial management, personnel, office space, general...; (d) Press clippings and press releases; (e) Junk mail; (f) References cited in contractor reports...

10 CFR 2.1005 - Exclusions.

Code of Federal Regulations, 2011 CFR

2011-01-01

... administration, such as material related to budgets, financial management, personnel, office space, general...; (d) Press clippings and press releases; (e) Junk mail; (f) References cited in contractor reports...

U.S. EPA response to the Fukushima Daiichi Nuclear Power Plant accident.

PubMed

Tupin, Edward A; Boyd, Michael A; Mosser, Jennifer E; Wieder, Jessica S

2012-05-01

During the spring of 2011, the U.S. Environmental Protection Agency (EPA) used its national radiation monitoring and sampling system, RadNet, to detect, identify, and inform the public about radioactive material in the United States resulting from Japan's Fukushima Daiichi Nuclear Power Plant release. The RadNet system monitors ambient air, drinking water, precipitation, and pasteurized milk for radionuclides. To supplement its existing stationary (fixed) continuous air monitoring system, EPA deployed additional air monitors to Saipan, Guam, and locations in the western United States. The Agency also accelerated the regular quarterly sampling of milk and drinking water and collected an additional round of samples. For two months, staff located at EPA's Headquarters Emergency Operations Center, west coast regional offices, and National Air and Radiation Environmental Lab worked seven days a week to handle the increased radiochemical sample analysis from air filters, precipitation, drinking water, and milk; provide interagency scientific input; and answer press and public inquiries. EPA's data was consistent with what was expected from the Fukushima Daiichi Nuclear Power Plant release. The levels of radioactivity were so low that the readings from the near-real-time RadNet air monitors stayed within normal background ranges. Detailed sample analyses were needed to identify the radionuclides associated with the release. Starting at the end of April and continuing through May 2011, levels of radioactive material decreased as expected.

Recent research on stishovite: Hugoniot and partial release Z experiments and DFT EOS calculations.

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

Furnish, Michael D.; Shulenburger, Luke; Desjarlais, Michael

We have conducted a series of ride-along experiments on the Z facility to ascertain the Hugoniot of silica centered in the stishovite phase over a range 0.4 - 1.0 TPa, together with partial release states produced at the interface between the sample and a fused silica window. The stishovite samples were synthesized in a large-volume multi-anvil press at 15 GPa and 1773 K, with an initial density of 4.29 gm/cc. The new Z experiments on stishovite fill in a gap between gas gun experiments and NIF experiments. The states are compared with the Hugoniots of quartz and fused silica formore » inferences as to EOS. They are generally consistent with Sesame 7360 predictions. Sound speed constraints from these data are discussed. The new Hugoniot data cross over the melting curve of stishovite; together with the partial-release data and predictions from density-functional theory modeling, they provide insights into the properties of solid and liquid under extreme conditions. These data are fundamentally important for understanding the interior of silicate-based super-Earths.« less

Effective Thermal Conductivity of Graphite Materials with Cracks

NASA Astrophysics Data System (ADS)

Pestchaanyi, S. E.; Landman, I. S.

The dependence of effective thermal diffusivity on temperature caused by volumetric cracks is modelled for macroscopic graphite samples using the three-dimensional thermomechanics code Pegasus-3D. At high off-normal heat loads typical of the divertor armour, thermostress due to the anisotropy of graphite grains is much larger than that due to the temperature gradient. Numerical simulation demonstrated that the volumetric crack density both in fine grain graphites and in the CFC matrix depends mainly on the local sample temperature, not on the temperature gradient. This allows to define an effective thermal diffusivity for graphite with cracks. The results obtained are used to explain intense cracking and particle release from carbon based materials under electron beam heat load. Decrease of graphite thermal diffusivity with increase of the crack density explains particle release mechanism in the experiments with CFC where a clear energy threshold for the onset of particle release has been observed in J. Linke et al. Fusion Eng. Design, in press, Bazyler et al., these proceedings. Surface temperature measurement is necessary to calibrate the Pegasus-3D code for simulation of ITER divertor armour brittle destruction.

Public Participation Guide: Press and Media

EPA Pesticide Factsheets

In general, news or media releases are used to disseminate information. Media releases aim to get the widest possible coverage for a community issue or proposal through the publication or broadcasting of the information in the release.

Influence of Winemaking Processing Steps on the Amounts of (E)-2-Decenal and Tridecane as Off-Odorants Caused by Brown Marmorated Stink Bug (Halyomorpha halys).

PubMed

Mohekar, Pallavi; Osborne, James; Wiman, Nik G; Walton, Vaughn; Tomasino, Elizabeth

2017-02-01

Brown marmorated stink bugs (BMSB) release stress compounds, tridecane and (E)-2-decenal, that affect final wine quality. This study focuses on determining the effect of wine processing on (E)-2-decenal and tridecane release in both red and white wines. Wines were produced by adding live BMSB to grape clusters at densities of 0, 0.3, 1, and 3 bugs/cluster. Compound concentrations were measured using headspace solid phase microextraction with multidimensional gas chromatography and mass spectrometry. For red wines, the highest levels of stress compounds were found using 3 BMSB/cluster [tridecane, 614 μg/L; (E)-2-decenal, 2.0 μg/L]. Pressing was found to be the critical process point for stress compound release, and additional pressing processes, press types, and press fractions were investigated. BMSB taint for white wines was not found to be problematic with respect to wine quality. An action control of 3 BMSB/cluster is recommended as this was related to the known consumption rejection threshold for (E)-2-decenal.

Department of Justice, Office on Violence Against Women

MedlinePlus

... specific, in-depth discussion about working with special populations. Learn more . News June 15, 2017 Press Release Department of Justice Observes World Elder Abuse Awareness Day January 13, 2017 Press ...

Prototype Superconducting Planar Transformers Using High-Tc Thin and Thick Films

DTIC Science & Technology

1992-01-01

AUG27 0%2 and Thick FilmsS A D W. C. McGinnis J. S. Briggs T. E . Jones L. J. Johnson 92-23707 Approved for public release; distribution Is unlimited. 92...platelet-like crystals, given the opportunity, will lie flat against each other. Reasonably good alignment can be produced by simply pressing the...these latter films, only the step-cooled sample (FCS-75) produced a reasonably smooth, uniform-looking film, and therefore only that film was

Studies on applicability of press-coated tablets using hydroxypropylcellulose (HPC) in the outer shell for timed-release preparations.

PubMed

Fukui, E; Uemura, K; Kobayashi, M

2000-08-10

Press-coated tablets, containing diltiazem hydrochloride (DIL) in the core tablet and coated with hydroxypropylcellulose (HPC) as the outer shell, were examined for applicability as timed-release tablets with a predetermined lag time and subsequent rapid drug release phase. Various types of press-coated tablets were prepared using a rotary tabletting machine and their DIL dissolution behavior was evaluated by the JP paddle method. The results indicated that tablets with the timed-release function could be prepared, and that the lag times were prolonged as the viscosity of HPC and the amount of the outer shell were increased. The lag times could be controlled widely by the above method, however, the compression load had little effect. Two different kinds of timed-release press-coated tablets that showed lag times of 3 and 6 h in the in vitro test (denoted PCT(L3) and PCT(L6), respectively) were administered to beagle dogs. DIL was first detected in the plasma more than 3 h after administration, and both tablets showed timed-release. The lag times showed a good agreement between the in vivo and in vitro tests in PCT(L3). However, the in vivo lag times were about 4 h in PCT(L6) and were much shorter than the in vitro lag time. The dissolution test was performed at different paddle rotation speeds, and good agreement was obtained between the in vivo and in vitro lag times at 150 rpm. This suggested that the effects of gastrointestinal peristalsis and contraction should also be taken into consideration for the further development of drug delivery systems.

Topical, geospatial, and temporal diffusion of the 2015 North American Menopause Society position statement on nonhormonal management of vasomotor symptoms.

PubMed

Carpenter, Janet S; Laine, Tei; Harrison, Blake; LePage, Meghan; Pierce, Taran; Hoteling, Nathan; Börner, Katy

2017-10-01

We sought to depict the topical, geospatial, and temporal diffusion of the 2015 North American Menopause Society position statement on the nonhormonal management of menopause-associated vasomotor symptoms released on September 21, 2015, and its associated press release from September 23, 2015. Three data sources were used: online news articles, National Public Radio, and Twitter. For topical diffusion, we compared keywords and their frequencies among the position statement, press release, and online news articles. We also created a network figure depicting relationships across key content categories or nodes. For geospatial diffusion within the United States, we compared locations of the 109 National Public Radio (NPR) stations covering the statement to 775 NPR stations not covering the statement. For temporal diffusion, we normalized and segmented Twitter data into periods before and after the press release (September 12, 2015 to September 22, 2015 vs September 23, 2015 to October 3, 2015) and conducted a burst analysis to identify changes in tweets from before to after. Topical information diffused across sources was similar with the exception of the more scientific terms "vasomotor symptoms" or "vms" versus the more colloquial term "hot flashes." Online news articles indicated media coverage of the statement was mainly concentrated in the United States. NPR station data showed similar proportions of stations airing the story across the four census regions (Northeast, Midwest, south, west; P = 0.649). Release of the statement coincided with bursts in the menopause conversation on Twitter. The findings of this study may be useful for directing the development and dissemination of future North American Menopause Society position statements and/or press releases.

Modulation of venlafaxine hydrochloride release from press coated matrix tablet.

PubMed

Gohel, M C; Soni, C D; Nagori, S A; Sarvaiya, K G

2008-01-01

The aim of present study was to prepare novel modified release press coated tablets of venlafaxine hydrochloride. Hydroxypropylmethylcellulose K4M and hydroxypropylmethylcellulose K100M were used as release modifier in core and coat, respectively. A 3(2) full factorial design was adopted in the optimization study. The drug to polymer ratio in core and coat were chosen as independent variables. The drug release in the first hour and drug release rate between 1 and 12 h were chosen as dependent variables. The tablets were characterized for dimension analysis, crushing strength, friability and in vitro drug release. A check point batch, containing 1:2.6 and 1:5.4 drug to polymer in core and coat respectively, was prepared. The tablets of check point batch were subjected to in vitro drug release in dissolution media with pH 5, 7.2 and distilled water. The kinetics of drug release was best explained by Korsmeyer and Peppas model (anomalous non-Fickian diffusion). The systematic formulation approach enabled us to develop modified release venlafaxine hydrochloride tablets.

The Spectrum of Warfare Challenge. Joint Center for Operational Analysis Journal, Volume 11, Issue 2, Spring 2009

DTIC Science & Technology

2009-01-01

all missing. The opinion at the time was that these problems—coupled with many other issues— signifi cantly undermined the overall effectiveness of...and provide clarify- ing information. The second method involved using timely and effective press releases from MNF-I. These press releases...by Lyman Cutlar several times before to stay off his property and quit eating his potatoes . Cutlar, a Kentuckian, was an American miner who had

Sexual Health and Menopause

MedlinePlus

... Series-2018 Video Series-2017 Video Series-2016 Commercial Supporters Advertise in Menopause NAMS Corporate Liaison Council Outreach Opportunities Exhibit Information Press Room NAMS in the News Press Releases Communications from NAMS Executive Director Annual Meeting Abstracts Media ...

National Campaign to Prevent Teen and Unplanned Pregnancy

MedlinePlus

... Support Birth Control Use and Access Press Release Innovation Next Awards Announces Open Call for Entries Press ... know about the new birth control rules Blog Innovation Next 2016 Winners Launch App Blog Health Insurance ...

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...

Planet Press: an EGU initiative to bring geoscientific research to children

NASA Astrophysics Data System (ADS)

Ferreira, Bárbara

2016-04-01

Planet Press (http://www.egu.eu/education/planet-press/) is an EGU educational project that aims to get children (mainly 7-13 year olds), as well as their parents and educators, interested in and engaged with up-to-date scientific research and news. Planet Press articles are short versions of EGU press releases written in child-friendly language. Because EGU press releases cover research published in the various EGU scientific journals, Planet Press focuses on topics as varied as air pollution, glaciers, climate change, earthquakes, ocean sciences, droughts and floods, or space sciences. The texts are reviewed by both scientists and educators to make sure they are accurate and clear to their target audience. By sharing new and exciting geoscientific research with young kids, we hope to inspire them to develop an interest in the Earth, planetary and space sciences. In this presentation, we describe how the Planet Press idea came about, how the project is run, and the challenges and lessons learnt since the launch of this educational initiative in 2014. Planet Press, which has the support of the EGU Committee on Education, is made possible by the work of volunteer scientists and educators who review and translate the texts. We are grateful for the help of Jane Robb, former EGU Educational Fellow, with launching the project. Planet Press is inspired by Space Scoop (http://www.spacescoop.org/), an initiative by UNAWE, the EU-Universe Awareness organisation, that brings astronomy news to children every week.

Everyday Ideas to Move More

MedlinePlus

... Curricula and Toolkits Materials for Ethnically Diverse Populations New PSA Campaign We Can! Challenge Trivia Logo Guidelines News and Events Media Newsroom Press Releases Audio News Releases Public Service ...

Gentamicin-Eluting Titanium Dioxide Nanotubes Grown on the Ultrafine-Grained Titanium.

PubMed

Nemati, Sima Hashemi; Hadjizadeh, Afra

2017-08-01

Titanium (Ti)-based materials is the most appropriate choices for the applications as orthopedic and dental implants. In this regard, ultrafine-grained (UFG) titanium with an enhanced mechanical properties and surface energy has attracted more attention. Titanium dioxide (TiO 2 ) nanotubes grown on the titanium could enhance bone bonding, cellular response and are good reservoirs for loading drugs and antibacterial agents. This article investigates gentamicin loading into and release from the TiO 2 nanotubes, grown on the UFG compared to coarse-grained (CG) titanium substrate surfaces. Equal Channel Angular Pressing (ECAP) was employed to produce the UFG structure titanium. TiO 2 nanotubes were grown by the anodizing technique on both UFG and CG titanium substrate surfaces. Scanning electron microscopy (SEM) imaging confirmed TiO 2 nanotube growth on the surface. The UV-vis spectroscopy analysis results show that the amount of gentamicin load-release in the anodized UFG titanium sample is higher than that of CG one which can be explained in terms of thicker TiO 2 nanotube arrays layer formed on UFG sample. Moreover, the anodized UFG titanium samples released the drug in a longer time than CG (1 day for the UFG titanium vs. 3 h for the CG one). Regarding wettability analysis, anodized UFG titanium sample showed more enhanced hydrophilicity than CG counterpart. Therefore, the significantly smaller grain size of pure titanium provided by the ECAP technique coupled with appropriate subsequent anodization treatment not only offers a good combination of biocompatibility and adequate mechanical properties but also it provides a delayed release condition for gentamicin.

Menopause 101: A Primer for the Perimenopausal

MedlinePlus

... Series-2018 Video Series-2017 Video Series-2016 Commercial Supporters Advertise in Menopause NAMS Corporate Liaison Council Outreach Opportunities Exhibit Information Press Room NAMS in the News Press Releases Communications from NAMS Executive Director Annual Meeting Abstracts Media ...

The Quebec Rural Emergency Department Project: A Cross-Sectional Study of a Potential Two-Pronged Strategy in the Knowledge Transfer Process

PubMed Central

Poitras, Julien; Chauny, Jean-Marc; Lévesque, Jean-Frédéric; Ouimet, Mathieu; Dupuis, Gilles; Tanguay, Alain; Simard-Racine, Geneviève

2015-01-01

Introduction Health services research generates useful knowledge. Promotion of implementation of this knowledge in medical practice is essential. Prior to initiation of a major study on rural emergency departments (EDs), we deployed two knowledge transfer strategies designed to generate interest and engagement from potential knowledge users. The objective of this paper was to review: 1) a combined project launch and media press release strategy, and 2) a pre-study survey designed to survey potential knowledge users’ opinions on the proposed study variables. Materials and Methods We evaluated the impact of the project launch (presentation at two conferences hosted by key stakeholders) and media press release via a survey of participants/stakeholders and by calculating the number of media interview requests and reports generated. We used a pre-study survey to collect potential key stakeholder’ opinions on the study variables. Results Twenty-one of Quebec’s 26 rural EDs participated in the pre-study survey (81% participation rate). The press release about the study generated 51 press articles and 20 media request for interviews, and contributed to public awareness of a major rural research initiative. In the pre-study survey, thirteen participants (46%) mentioned prior knowledge of the research project. Results from the pre-study survey revealed that all of the potential study variables were considered to be relevant for inclusion in the research project. Respondents also proposed additional variables of interest, including factors promoting retention of human resources. Conclusions The present study demonstrated the potential utility of a two-pronged knowledge transfer strategy, including a combined formal launch and press release, and a pre-study survey designed to ensure that the included variables were of interest to participants and stakeholders. PMID:25849328

Press Conference with Elliot L. Richardson, Secretary of HEW.

ERIC Educational Resources Information Center

Department of Health, Education, and Welfare, Washington, DC.

Two documents were released to the press on January 18, 1973, by Secretary Richardson, one summarizing his term of office as Secretary of Health, Education, and Welfare, and one reporting on HEW potential for the seventies (SO 005 666, SO 005 699). In an introductory statement prior to the press conference, the question of whether or not we as a…

Transformation of Cs-IONSIV® into a ceramic wasteform by hot isostatic pressing

NASA Astrophysics Data System (ADS)

Chen, Tzu-Yu; Maddrell, Ewan R.; Hyatt, Neil C.; Gandy, Amy S.; Stennett, Martin C.; Hriljac, Joseph A.

2018-01-01

A simple method to directly convert Cs-exchanged IONSIV® IE-911 into a ceramic wasteform by hot isostatic pressing (1100 °C/190 MPa/2 hr) is presented. Two major Cs-containing phases, Cs2TiNb6O18 and Cs2ZrSi6O15, and a series of mixed oxides form. The microstructure and phase assemblage of the samples as a function of Cs content were examined using XRD, XRF, SEM and TEM/EDX. The chemical aqueous durability of the materials was investigated using the MCC-1 and PCT-B standard test methods. For HIPed Cs-IONSIV® samples, the MCC-1 normalised release rates of Cs were <1.57 × 10-1 g m-2 d-1 at 0-28 days, and <3.78 × 10-2 g m-2 d-1 for PCT-B at 7 days. The low rates are indicative of a safe long-term immobilisation matrix for Cs formed directly from spent IONSIV®. It was also demonstrated that the phase formation can be altered by adding Ti metal due to a controlled redox environment.

ABOUT US

Science.gov Websites

RESPONSIBILITY CENTCOM COALITION MEDIA SOCIAL MEDIA NEWS ARTICLES PRESS RELEASES IMAGERY VIDEOS TRANSCRIPTS VISITORS AND PERSONNEL FAMILY CENTER FAMILY READINESS CENTCOM WEBMAIL SOCIAL MEDIA SECURITY ACCOUNTABILITY Operations And Exercises Operation Inherent Resolve Resolute Support Media Social Media News Articles Press

State of the Air 2015

MedlinePlus

... Select Your State Health Risks Ozone Particle Pollution Children’s Health Disparities & Near Highways Protect Yourself Our Fight What We Do Our Story Personal Stories Clean Air Timeline Take Action Press Materials Press Releases Web Banners Social Media What's the State of Your Air ? Home > 2015 > ...

Online resources for news about toxicology and other environmental topics.

PubMed

South, J C

2001-01-12

Technology has revolutionized researchers' ability to find and retrieve news stories and press releases. Thanks to electronic library systems and telecommunications--notably the Internet--computer users in seconds can sift through millions of articles to locate mainstream articles about toxicology and other environmental topics. But that does not mean it is easy to find what one is looking for. There is a confusing array of databases and services that archive news articles and press releases: (1) some are free; others cost thousands of dollars a year to access, (2) some include hundreds of newspaper and magazine titles; others cover only one publication, (3) some contain archives going back decades; others have just the latest news, (4) some offer only journalistically balanced reports from mainstream news sources; others mix news with opinions and advocacy and include reports from obscure or biased sources. This article explores ways to find news online - particularly news about toxicology, hazardous chemicals, environmental health and the environment in general. The article covers web sites devoted to environmental news; sites and search engines for general-interest news; newspaper archives; commercial information services; press release distribution services and archives; and other resources and strategies for finding articles in the popular press about toxicology and the environment.

Aggregation of Thaumatomyia glabra (Diptera: Chloropidae) Males on Iris spp. Flowers Releasing Methyl Anthranilate.

PubMed

Ohler, Bonnie J; Guédot, Christelle; Zack, Richard S; Landolt, Peter J

2016-12-01

Aggregations of Thaumatomyia glabra (Diptera: Chloropidae) were observed on flowers of Iris pallida Lamarck (Asparagales: Iridaceae), whereas no T. glabra (Meigen) were observed on nearby Iris germanica L. flowers. Sampling of T. glabra on I. pallida flowers revealed the presence of males only. In a previous study, T. glabra males were attracted to methyl anthranilate. We found methyl anthranilate in extracts of I. pallida flowers on which T. glabra aggregated, but not in extracts of I. germanica flowers. Applying methyl anthranilate to I. germanica flowers elicited attraction of T. glabra to the flowers. This study suggests that I. pallida flowers may attract T. glabra males to aggregate because they release the known attractant, methyl anthranilate, whereas I. germanica flowers may not be attractive because they do not release methyl anthranilate. Published by Oxford University Press on behalf of Entomological Society of America 2016. This work is written by US Government employees and is in the public domain in the US.

Formulation and evaluation of press coated tablets for pulsatile drug delivery using hydrophilic and hydrophobic polymers.

PubMed

Rane, Ashish Babulal; Gattani, Surendra Ganeshlal; Kadam, Vinayak Dinkar; Tekade, Avinash Ramrao

2009-11-01

The aim of present investigation was to develop press coated tablet for pulsatile drug delivery of ketoprofen using hydrophilic and hydrophobic polymers. The drug delivery system was designed to deliver the drug at such a time when it could be most needful to patient of rheumatoid arthritis. The press coated tablets containing ketoprofen in the inner core was formulated with an outer shell by different weight ratio of hydrophobic polymer (micronized ethyl cellulose powder) and hydrophilic polymers (glycinemax husk or sodium alginate). The release profile of press coated tablet exhibited a lag time followed by burst release, in which outer shell ruptured into two halves. Authors also investigated factors influencing on lag time such as particle size and viscosity of ethyl cellulose, outer coating weight and paddle rpm. The surface morphology of the tablet was examined by a scanning electron microscopy. Differential scanning calorimeter and Fourier transformed infrared spectroscopy study showed compatibility between ketoprofen and coating material.

A comparative study of TiN and TiC: Oxidation resistance and retention of xenon at high temperature and under degraded vacuum

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

Gavarini, S.; Bes, R.; Millard-Pinard, N.

2011-01-01

Dense TiN and TiC samples were prepared by hot pressing using micrometric powders. Xenon species (simulating rare gas fission products) were then implanted into the ceramics. The samples were annealed for 1 h at 1500 deg. C under several degraded vacuums with P{sub O{sub 2}} varying from 10{sup -6} to 2x10{sup -4} mbars. The oxidation resistance of the samples and their retention properties with respect to preimplanted xenon species were analyzed using scanning electron microscopy, grazing incidence x-ray diffraction, Rutherford backscattering spectrometry, and nuclear backscattering spectrometry. Results indicate that TiC is resistant to oxidation and does not release xenon formore » P{sub O{sub 2{<=}}}6x10{sup -6} mbars. When P{sub O{sub 2}} increases, geometric oxide crystallites appear at the surface depending on the orientation and size of TiC grains. These oxide phases are Ti{sub 2}O{sub 3}, Ti{sub 3}O{sub 5}, and TiO{sub 2}. Apparition of oxide crystallites is associated with the beginning of xenon release. TiC surface is completely covered by the oxide phases at P{sub O{sub 2}}=2x10{sup -4} mbars up to a depth of 3 {mu}m and the xenon is then completely released. For TiN samples, the results show a progressive apparition of oxide crystallites (Ti{sub 3}O{sub 5} mainly) at the surface when P{sub O{sub 2}} increases. The presence of the oxide crystallites is also directly correlated with xenon release, the more oxide crystallites are growing the more xenon is released. TiN surface is completely covered by an oxide layer at P{sub O{sub 2}}=2x10{sup -4} mbars up to 1 {mu}m. A correlation between the initial fine microstructure of TiN and the properties of the growing layer is suggested.« less

29 CFR 1910.217 - Mechanical power presses.

Code of Federal Regulations, 2012 CFR

2012-07-01

... against unintentional operation and have the individual operator's hand controls arranged by design and... trip the press. (b) The control system shall be designed to permit an adjustment which will require... shall incorporate an antirepeat feature. (d) The control systems shall be designed to require release of...

29 CFR 1910.217 - Mechanical power presses.

Code of Federal Regulations, 2011 CFR

2011-07-01

... against unintentional operation and have the individual operator's hand controls arranged by design and... trip the press. (b) The control system shall be designed to permit an adjustment which will require... shall incorporate an antirepeat feature. (d) The control systems shall be designed to require release of...

29 CFR 1910.217 - Mechanical power presses.

Code of Federal Regulations, 2010 CFR

2010-07-01

... against unintentional operation and have the individual operator's hand controls arranged by design and... trip the press. (b) The control system shall be designed to permit an adjustment which will require... shall incorporate an antirepeat feature. (d) The control systems shall be designed to require release of...

29 CFR 1910.217 - Mechanical power presses.

Code of Federal Regulations, 2014 CFR

2014-07-01

... against unintentional operation and have the individual operator's hand controls arranged by design and... trip the press. (b) The control system shall be designed to permit an adjustment which will require... shall incorporate an antirepeat feature. (d) The control systems shall be designed to require release of...

29 CFR 1910.217 - Mechanical power presses.

Code of Federal Regulations, 2013 CFR

2013-07-01

... against unintentional operation and have the individual operator's hand controls arranged by design and... trip the press. (b) The control system shall be designed to permit an adjustment which will require... shall incorporate an antirepeat feature. (d) The control systems shall be designed to require release of...

Outrage Factors in Government Press Releases of Food Risk and Their Influence on News Media Coverage.

PubMed

Ju, Youngkee; Lim, Jeongsub; Shim, Minsun; You, Myoungsoon

2015-08-01

An appropriate level of risk perception should be a critical issue in modern "risk society." There have been many studies on the influences on risk perception. This study investigates whether risk communication scholar Dr. Peter Sandman's outrage factors intensify journalistic attention to health risks from food consumption. A content analysis of a health institution's press releases was conducted to examine 15 outrage factors of food risks conveyed in the governmental risk communication. In addition, the news stories covering the food risks informed by the press releases were calculated to evaluate the relation between outrage factors of a risk and the number of news stories covering the risk. Results showed that controllability was the most salient outrage factor, followed by trust, voluntariness, familiarity, and human origin; the greater the outrage score of a risk, the more news stories of the risk. For individual outrage factors, a risk with an implication of catastrophic potential was associated with an increase of news stories. Food providers' distrustful behaviors also influenced journalistic attention to the food risks. The implication of the findings to health message designers is discussed.

Predictable pulsatile release of tramadol hydrochloride for chronotherapeutics of arthritis.

PubMed

Dabhi, Chandu; Randale, Shivsagar; Belgamwar, Veena; Gattani, Surendra; Tekade, Avinash

2010-07-01

The present investigation deals with the development of a pH and time-dependent press-coated pulsatile drug delivery system for delivering drugs into the colon. The system consists of a drug containing core, coated by a combination of natural polymer Delonix regia gum (DRG) and hydroxypropyl methylcellulose (HPMC K4M) in various proportions, which controls the onset of release. The whole system was coated with methacrylic acid copolymers, which not only prevents the drug release in the stomach, but also prolongs the lag time. Tramadol HCl was used as a model drug and varying combinations of DRG and HPMC K4M were used to achieve the desired lag time before rapid and complete release of the drug in the colon. It was observed that the lag time depends on the coating ratio of DRG to HPMC and also on press coating weight. Drug release was found to be increased by 15-30% in the presence of colonic microbial flora. The results showed the capability of the system in achieving pulsatile release for a programmable period of time and pH-dependent release to attain colon-targeted delivery.

News Releases, Press Releases, Tip Sheet Statements

Science.gov Websites

United States Census Bureau Topics Population Latest Information Age and Sex Ancestry Children Mobility Population Estimates Population Projections Race Veterans Economy Latest Information Portal Other Economic Programs Business Latest Information Business Characteristics Classification Codes

55. QUARRY TILE CUTTERS, SECOND FLOOR, NORTH WING. WORKERS PRESSED ...

Library of Congress Historic Buildings Survey, Historic Engineering Record, Historic Landscapes Survey

55. QUARRY TILE CUTTERS, SECOND FLOOR, NORTH WING. WORKERS PRESSED THE CUTTERS INTO SLABS OF CLAY, LIFTED THEM ONTO DRYING BOARDS AND PRESSED THE PLUNGERS TO RELEASE THE CUT TILES. REPRODUCTIONS CUTTERS ARE NOT USED IN PRODUCTION. WOODEN FORMS FOR PRODUCING CLAY SLABS WITH ROLLING PINS REST AGAINST THE WALL. - Moravian Pottery & Tile Works, Southwest side of State Route 313 (Swamp Road), Northwest of East Court Street, Doylestown, Bucks County, PA

Retrospective reconstruction of Iodine-131 distribution through the analysis of Iodine-129

NASA Astrophysics Data System (ADS)

Matsuzaki, Hiroyuki; Muramatsu, Yasuyuki; Ohno, Takeshi; Mao, Wei

2017-09-01

Iodine-131 distribution released from the Fukushima Dai-ichi Nuclear Power Plant accident was reconstructed through the iodine-129 measurements. From nearly 1,000 surface soil samples iodine was extracted by the pyro hydrolysis method. Extracted iodine was then mixed with carrier, purified and finally collected as silver iodide. Silver iodide sample was pressed into the cathode holder and set at the ion source of the MALT facility, The University of Tokyo. The isotopic ratio 129I/127I was measured by means of Accelerator Mass Spectrometry. From 129I data obtained, 131I deposition map was constructed. There observed various fine structures in the map which could not estimated neither by the simulation nor 137Cs distribution.

76 FR 43336 - Delegation of Authority for the Office of Public Affairs

Federal Register 2010, 2011, 2012, 2013, 2014

2011-07-20

... press conferences; drafting press releases; and utilizing the Internet and social media, including... mission through internal and external outreach to include local, regional, and national level media. The Office of Public Affairs is responsible for ensuring that information provided to the news media by HUD...

Comparison of structure, morphology, and leach characteristics of multi-phase ceramics produced via melt processing and hot isostatic pressing

NASA Astrophysics Data System (ADS)

Dandeneau, Christopher S.; Hong, Tao; Brinkman, Kyle S.; Vance, Eric R.; Amoroso, Jake W.

2018-04-01

Melt processing of multi-phase ceramic waste forms offers potential advantages over traditional solid-state synthesis methods given both the prevalence of melters currently in use and the ability to reduce the possibility of airborne radionuclide contamination. In this work, multi-phase ceramics with a targeted hollandite composition of Ba1.0Cs0.3Cr1.0Al0.3Fe1.0Ti5.7O16 were fabricated by melt processing at 1675 °C and hot isostatic pressing (HIP) at 1250 and 1300 °C. X-ray diffraction analysis (XRD) confirmed hollandite as the major phase in all specimens. Zirconolite/pyrochlore peaks and weaker perovskite reflections were observed after melt processing, while HIP samples displayed prominent perovskite peaks and low-intensity zirconolite reflections. Melt processing produced specimens with large (>50 μm) well-defined hollandite grains, while HIP yielded samples with a more fine-grained morphology. Elemental analysis showed "islands" rich in Cs and Ti across the surface of the 1300 °C HIP sample, suggesting partial melting and partitioning of Cs into multiple phases. Photoemission data revealed multiple Cs 3d spin-orbit pairs for the HIP samples, with the lower binding energy doublets likely corresponding to Cs located in more leachable phases. Among all specimens examined, the melt-processed sample exhibited the lowest fractional release rates for Rb and Cs. However, the retention of Sr and Mo was greater in the HIP specimens.

[Studies on preparation of sustained-release Shuxiong formulation, a traditional Chinese medicine compound recipe, using time-controlled release techniques].

PubMed

Song, Hong-Tao; Zhang, Qian; Jiang, Peng; Guo, Tao; Chen, Da-Wei; He, Zhong-Gui

2006-09-01

To prepare a sustained-release formulation of traditional Chinese medicine compound recipe by adopting time-controlled release techniques. Shuxiong tablets were chosen as model drug. The prescription and technique of core tablets were formulated with selecting disintegrating time and swelling volume of core tablets in water as index. The time-controlled release tablets were prepared by adopting press-coated techniques, using PEG6000, HCO and EVA as coating materials. The influences of compositions, preparation process and dissolution conditions in vitro on the lag time (T(lag)) of drug release were investigated. The composition of core tablets was as follow: 30% of drug, 50% MCC and 20% CMS-Na. The T(lag) of time-controlled release tablets was altered remarkably by PEG6000 content of the outer layer, the amount of outer layer and hardness of tablet. The viscosity of dissolution media and basket rotation had less influence on the T(lag) but more on rate of drug release. The core tablets pressed with the optimized composition had preferable swelling and disintegrating properties. The shuxiong sustained-release formulations which contained core tablet and two kinds of time-controlled release tablets with 3 h and 6 h of T(lag) could release drug successively at 0 h, 3 h and 6 h in vitro. The technique made it possible that various components with extremely different physicochemical properties in these preparations could release synchronously.

14 CFR 1213.100 - Scope.

Code of Federal Regulations, 2011 CFR

2011-01-01

... and Space NATIONAL AERONAUTICS AND SPACE ADMINISTRATION RELEASE OF INFORMATION TO NEWS AND INFORMATION... is defined as information in any form provided to news and information media, especially information..., but are not limited to, press releases, media advisories, news features, and Web postings. Not...

UK science press officers, professional vision and the generation of expectations

PubMed Central

Samuel, Gabrielle; Williams, Clare; Gardner, John

2015-01-01

Science press officers can play an integral role in helping promote expectations and hype about biomedical research. Using this as a starting point, this article draws on interviews with 10 UK-based science press officers, which explored how they view their role as science reporters and as generators of expectations. Using Goodwin’s notion of ‘professional vision’, we argue that science press officers have a specific professional vision that shapes how they produce biomedical press releases, engage in promotion of biomedical research and make sense of hype. We discuss how these insights can contribute to the sociology of expectations, as well as inform responsible science communication. PMID:26265709

The Virtual Cosmos Project: Astronomical Data access for General Public via the National Virtual Observatory

NASA Astrophysics Data System (ADS)

Craig, N.; Mendez, B. J.; Hanisch, R. J.; Christian, C. A.; Summers, F.; Haisch, B.; Lindblom, J.

2005-05-01

We will describe the development of protocols to make Astronomy press-release quality images from HST and other sources publicly available through compatibility with the National Virtual Observatory (NVO). We will present the designs for a public portal to these resources, based on a robust evaluation of our intended audience. The availability of press-release quality materials via the NVO through a simplified interface will greatly enhance the utility of these materials for the public. Behind any portal to NVO data there is a standard registry and data structures that allow collections of data (such as the press release images) to be located and acquired. We will describe our design of the necessary protocols and metadata being used within the NVO framework for this project. We base our meta-tags on the considerable existing work done in the science community as well as the NASA education community. These refined metadata are applied to new HST press-release images as they are produced and registered with the NVO. We will describe methods for retrofitting pre-existing imagery with the metadata standards. The rich media, 3D navigation and visualization capabilities of the browser created by ManyOne Network Inc. are particularly well suited to the presentation of astronomical information and ever more detailed models of the local neighborhood, the Milky Way, etc. We will discuss the 3D navigation and visualization capabilities of the browser with particular focus on the Milky Way Galaxy. Development of an online encyclopedia to accompany the ManyOne portals as part of the Virtual Cosmos will also be described. Support from NASA's AISR Program is gratefully acknowledged.

14 CFR § 1213.100 - Scope.

Code of Federal Regulations, 2014 CFR

2014-01-01

... Aeronautics and Space NATIONAL AERONAUTICS AND SPACE ADMINISTRATION RELEASE OF INFORMATION TO NEWS AND..., which is defined as information in any form provided to news and information media, especially... include, but are not limited to, press releases, media advisories, news features, and Web postings. Not...

14 CFR 1213.100 - Scope.

Code of Federal Regulations, 2012 CFR

2012-01-01

... Aeronautics and Space NATIONAL AERONAUTICS AND SPACE ADMINISTRATION RELEASE OF INFORMATION TO NEWS AND..., which is defined as information in any form provided to news and information media, especially... include, but are not limited to, press releases, media advisories, news features, and Web postings. Not...

14 CFR 1213.100 - Scope.

Code of Federal Regulations, 2013 CFR

2013-01-01

... Aeronautics and Space NATIONAL AERONAUTICS AND SPACE ADMINISTRATION RELEASE OF INFORMATION TO NEWS AND..., which is defined as information in any form provided to news and information media, especially... include, but are not limited to, press releases, media advisories, news features, and Web postings. Not...

U.S. Northern Command > Newsroom > Press Releases

Science.gov Websites

Skip to main content (Press Enter). Toggle navigation U.S. Northern Command Search Search USNORTHCOM: Search Search USNORTHCOM: Search U.S. Northern Command U.S. Northern Command Home Leadership , 2018 NORAD and USNORTHCOM to host change of command ceremony Nov. 30, 2017 United States, Mexico to

76 FR 51060 - Guidelines for Ensuring and Maximizing the Quality, Objectivity, Utility, and Integrity of...

Federal Register 2010, 2011, 2012, 2013, 2014

2011-08-17

... Science Foundation specify that the agency ``may reject claims made in bad faith, or without justification... communication or representation of facts or data in any medium or form including textual, numerical... individuals or persons. Press releases, fact sheets, press conferences, or similar communications in any...

Management Perspectives Pertaining to Root Cause Analyses of Nunn-McCurdy Breaches: Contractor Motivations and Anticipating Breaches, Volume 6

DTIC Science & Technology

2014-01-01

a similar problem. See Robert Jackall , Moral Mazes: The World of Corporate Managers, London: Oxford University Press, 2009. Contractor Incentives...Night Vision Goggles,” ITT Corporation press release, April 4, 2011. Jackall , Robert, Moral Mazes: The World of Corporate Managers, London: Oxford

American Gastroenterological Association

MedlinePlus

... 2017 Read More Press Release Para el Mes de la Herencia Hispana, una advertencia de salud importante Sept. 15, 2017 Read More Press ... Thomas Yen presents on life in private and group practices during the 2016 AGA Regional Practice Skills Workshops. ... Your IBS: An 8-Week Program to Control the Symptoms of Irritable Bowel Syndrome April 10, ...

Investigating effects of hydroxypropyl methylcellulose (HPMC) molecular weight grades on lag time of press-coated ethylcellulose tablets.

PubMed

Patadia, Riddhish; Vora, Chintan; Mittal, Karan; Mashru, Rajashree

2016-11-01

The research undertaken exemplifies the effects of hydroxypropyl methylcellulose (HPMC) molecular weight (MW) grades of on lag time of press-coated ethylcellulose (EC) tablets. The formulation comprised an immediate release core (containing prednisone as a model drug) surrounded by compression coating with variegated EC-HPMC blends. Five selected HPMC grades (E5, E15, E50, K100LV and K4M) were explored at three different concentrations (10% w/w, 20% w/w and 30% w/w in outer coat) to understand their effects on lag time and drug release. In vitro drug release testing demonstrated that, with increase in concentration of E5 and E15, up to 30% w/w, the mean lag time decreased progressively; whereas with remaining grades, the mean lag time initially decreased up to 20% w/w level and thereafter increased for 30% w/w level. Importantly, with increase in HPMC concentration in the outer coat, the variability in lag time (%RSD; n = 6) was decreased for each of E5, E15 and E50, whereas increased for K100LV and K4M. In general, the variability in lag time was increased with increase in HPMC MW at studied concentration levels. Markedly, tablets with 30% w/w K4M in outer coat exhibited slight premature release (before the rupture of outer coat) along with high variability in lag time. Overall, the study concluded that low MW HPMCs (E5, E15 and E50) were found rather efficient than higher MW HPMCs for developing robust EC-based press-coated pulsatile release formulations where precise lag time followed by sharp burst release is desired.

First Clean Air Act Benefits and Costs Prospective Study - Press Release November 16, 1999

EPA Pesticide Factsheets

The economic value of the public health and environmental benefits that Americans enjoy from the Clean Air Act Amendments of 1990 exceed their costs by a margin of four to one, according to this EPA study released in 1999.

48 CFR 752.7035 - Public notices.

Code of Federal Regulations, 2011 CFR

2011-10-01

... notices. The following clause is for use when the cognizant technical office determines that the contract... to time, to announce progress and accomplishments. Press releases or other public notices should... cognizant technical officer and to USAID's Legislative and Public Affairs (LPA) as far in advance of release...

Press releases, preliminary maps, and preliminary reports released by the Geologic Branch and Alaskan Branch between January 1, 1938 and January 1, 1945

USGS Publications Warehouse

Kent, Lois S.; Keroher, R.P.

1945-01-01

This pamphlet contains a complete list of all maps and reports issued by the Geologic Branch and Alaskan Branch of the Geological Survey whose release was announced by press notice during the period between January 1, 1938 and January 1, 1945. The Geologic Branch material was compiled by Lois S. Kent, and the Alaskan Branch material by R. P. Kerocher. It is expected that similar lists will be published annually hereafter. These reports and maps are the results of work carried out by Survey geologists on mineral deposits in the United States, Alaska, and Cuba during the war and the years immediately preceding the war. They were released in preliminary form as rapidly as possible in this period to avoid the delays necessarily attendant upon formal publication and to make the information contained in them promptly available to property owners and mine operators concerned with the production of strategic and critical mineral commodities.

A comparison of peak power in the shoulder press and shoulder throw.

PubMed

Dalziel, W M; Neal, R J; Watts, M C

2002-09-01

The ability to generate peak power is central for performance in many sports. Currently two distinct resistance training methods are used to develop peak power, the heavy weight/slow velocity and light weight/fast velocity regimes. When using the light weight/fast velocity power training method it was proposed that peak power would be greater in a shoulder throw exercise compared with a normal shoulder press. Nine males performed three lifts in the shoulder press and shoulder throw at 30% and 40% of their one repetition maximum (1RM). These lifts were performed identically, except for the release of the bar in the throw condition. A potentiometer attached to the bar measured displacement and duration of the lifts. The time of bar release in the shoulder throw was determined with a pressure switch. ANOVA was used to examine statistically significant differences where the level of acceptance was set at p < 0.05. Peak power was found to be significantly greater in the shoulder throw at 30% of 1 RM condition [F, (1, 23) = 2.325 p < 0.051 and at 40% of 1 RM [F, (1, 23) = 2.905 p < 0.05] compared to values recorded for the respective shoulder presses. Peak power was also greater in the 30% of 1 RM shoulder throw (510 +/- 103W) than in the 40% of 1 RM shoulder press (471 +/- 96W). Peak power was produced significantly later in the shoulder throw versus the shoulder press. This differing power reflected a greater bar velocity of the shoulder throw at both assigned weights compared with the shoulder press.

Six-axis multi-anvil press for high-pressure, high-temperature neutron diffraction experiments

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

Sano-Furukawa, A., E-mail: sano.asami@jaea.go.jp; Hattori, T.; J-PARC Center, Japan Atomic Energy Agency, Ibaraki 319-1195

2014-11-15

We developed a six-axis multi-anvil press, ATSUHIME, for high-pressure and high-temperature in situ time-of-flight neutron powder diffraction experiments. The press has six orthogonally oriented hydraulic rams that operate individually to compress a cubic sample assembly. Experiments indicate that the press can generate pressures up to 9.3 GPa and temperatures up to 2000 K using a 6-6-type cell assembly, with available sample volume of about 50 mm{sup 3}. Using a 6-8-type cell assembly, the available conditions expand to 16 GPa and 1273 K. Because the six-axis press has no guide blocks, there is sufficient space around the sample to use themore » aperture for diffraction and place an incident slit, radial collimators, and a neutron imaging camera close to the sample. Combination of the six-axis press and the collimation devices realized high-quality diffraction pattern with no contamination from the heater or the sample container surrounding the sample. This press constitutes a new tool for using neutron diffraction to study the structures of crystals and liquids under high pressures and temperatures.« less

Carpe Diem: Seizing the Opportunity in the Arctic with a Comprehensive U.S. Arctic Strategy

DTIC Science & Technology

2008-07-01

Shatters All Previous Record Lows," press release, Oct. 1, 2007. http://www.nsidc.org/news/press/2007_seaiceminimum 7 Rune G Graversen, Thorsten Mauritsen...James. "Fight for the Top of the World." Time, Oct 1 2007,28. Graversen, Rune G., Thorsten Mauritsen, Michael Tjernstrom, Erland Kallen, Gunilla

Using Automated Blogging for Creation and Delivery of Topic-Centric News

ERIC Educational Resources Information Center

Crouse, David A.

2013-01-01

Every day, news relevant to Extension clientele is posted to the Internet from a variety of sources such as the popular press, scientific journals, and government agency press releases. In order to stay current with the information being published, an end-user must be following all of the possible sources of information. That task can be…

Multicomponent Implant Releasing Dexamethasone

NASA Astrophysics Data System (ADS)

Nikkola, L.; Vapalahti, K.; Ashammakhi, N.

2008-02-01

Several inflammatory conditions are usually treated with corticosteroids. There are various problems like side effects with traditional applications of steroids, e.g. topical, or systemic routes. Local drug delivery systems have been studied and developed to gain more efficient administration with fewer side effects. Earlier, we reported on developing Dexamethasone (DX) releasing biodegradable fibers. However, their drug release properties were not satisfactory in terms of onset of drug release. Thus, we assessed the development of multicomponent (MC) implant to enhance earlier drug release from such biodegradable fibers. Poly (lactide-co-glycolide) (PLGA) and 2 wt-% and 8 wt-% DX were compounded and extruded with twin-screw extruder to form of fibers. Some of the fibers were sterilized to obtain a change in drug release properties. Four different fiber classes were studied: 2 wt-%, 8 wt-%, sterilized 2 wt-%, and sterilized 8 wt-%. 3×4 different DX-releasing fibers were then heat-pressed to form one multicomponent rod. Half of the rods where sterilized. Drug release was measured from initial fibers and multicomponent rods using a UV/VIS spectrometer. Shear strength and changes in viscosity were also measured. Drug release studies showed that drug release commenced earlier from multicomponent rods than from component fibers. Drug release from multicomponent rods lasted from day 30 to day 70. The release period of sterilized rods extended from day 23 to day 57. When compared to the original component fibers, the drug release from MC rods commenced earlier. The initial shear strength of MC rods was 135 MPa and decreased to 105 MPa during four weeks of immersion in phosphate buffer solution. Accordingly, heat pressing has a positive effect on drug release. After four weeks in hydrolysis, no disintegration was observed.

Comparison of structure, morphology, and leach characteristics of multi-phase ceramics produced via melt processing and hot isostatic pressing

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

Dandeneau, Christopher S.; Hong, Tao; Brinkman, Kyle S.

Melt processing of multi-phase ceramic waste forms offers potential advantages over traditional solid-state synthesis methods given both the prevalence of melters currently in use and the ability to reduce the possibility of airborne radionuclide contamination. In this work, multi-phase ceramics with a targeted hollandite composition of Ba 1.0Cs 0.3Cr 1.0Al 0.3Fe 1.0Ti 5.7O 16 were fabricated by melt processing at 1675 °C and hot isostatic pressing (HIP) at 1250 and 1300 °C. X-ray diffraction analysis (XRD) confirmed hollandite as the major phase in all specimens. Zirconolite/pyrochlore peaks and weaker perovskite reflections were observed after melt processing, while HIP samples displayedmore » prominent perovskite peaks and low-intensity zirconolite reflections. Melt processing produced specimens with large (>50 μm) well-defined hollandite grains, while HIP yielded samples with a more fine-grained morphology. Elemental analysis showed “islands” rich in Cs and Ti across the surface of the 1300 °C HIP sample, suggesting partial melting and partitioning of Cs into multiple phases. Photoemission data revealed multiple Cs 3d spin-orbit pairs for the HIP samples, with the lower binding energy doublets likely corresponding to Cs located in more leachable phases. Among all specimens examined, the melt-processed sample exhibited the lowest fractional release rates for Rb and Cs. However, the retention of Sr and Mo was greater in the HIP specimens.« less

Comparison of structure, morphology, and leach characteristics of multi-phase ceramics produced via melt processing and hot isostatic pressing

DOE PAGES

Dandeneau, Christopher S.; Hong, Tao; Brinkman, Kyle S.; ...

2018-02-08

Melt processing of multi-phase ceramic waste forms offers potential advantages over traditional solid-state synthesis methods given both the prevalence of melters currently in use and the ability to reduce the possibility of airborne radionuclide contamination. In this work, multi-phase ceramics with a targeted hollandite composition of Ba 1.0Cs 0.3Cr 1.0Al 0.3Fe 1.0Ti 5.7O 16 were fabricated by melt processing at 1675 °C and hot isostatic pressing (HIP) at 1250 and 1300 °C. X-ray diffraction analysis (XRD) confirmed hollandite as the major phase in all specimens. Zirconolite/pyrochlore peaks and weaker perovskite reflections were observed after melt processing, while HIP samples displayedmore » prominent perovskite peaks and low-intensity zirconolite reflections. Melt processing produced specimens with large (>50 μm) well-defined hollandite grains, while HIP yielded samples with a more fine-grained morphology. Elemental analysis showed “islands” rich in Cs and Ti across the surface of the 1300 °C HIP sample, suggesting partial melting and partitioning of Cs into multiple phases. Photoemission data revealed multiple Cs 3d spin-orbit pairs for the HIP samples, with the lower binding energy doublets likely corresponding to Cs located in more leachable phases. Among all specimens examined, the melt-processed sample exhibited the lowest fractional release rates for Rb and Cs. However, the retention of Sr and Mo was greater in the HIP specimens.« less

Milestone Report - M3FT-15OR03120215 - Recommend HIP Conditions for AgZ

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

Bruffey, Stephanie H.; Jubin, Robert Thomas

2015-09-18

The purpose of this study was to continue research to determine if HIPing could directly convert I-Ag 0Z into a suitable waste form. Fiscal year (FY) 2015 work completed studies of Phase IIA, IIB, and IIC samples. Product consistency testing (PCT) of Phase IIA samples resulted in iodine release below detection limit for six of twelve samples. This is promising and indicates that a durable waste form may be produced through HIPing even if transformation of the zeolite to a distinct mineral phase does not occur. From PCT results of Phase IIA samples, it was determined that future pressing shouldmore » be conducted at a temperature of 900°C. Phase IIC testing continued production of samples to examine the effects of multiple source materials, compositional variations, and an expanded temperature range. The density of each sample was determined and x-ray diffraction (XRD) patterns were obtained. In all cases, there was nothing in the XRD analyses to indicate the creation of any AgI-containing silicon phase; the samples were found to be largely amorphous.« less

Variation in Baiting Intensity Among CO2-Baited Traps Used to Collect Hematophagous Arthropods.

PubMed

Springer, Yuri P; Taylor, Jeffrey R; Travers, Patrick D

2015-01-01

Hematophagous arthropods transmit the etiological agents of numerous diseases and as a result are frequently the targets of sampling to characterize vector and pathogen populations. Arguably, the most commonly used sampling approach involves traps baited with carbon dioxide. We report results of a laboratory study in which the performance of carbon dioxide-baited traps was evaluated using measures of baiting intensity, the amount of carbon dioxide released per unit time during trap deployment. We evaluated the effects of trap design, carbon dioxide source, and wind speed on baiting intensity and documented significant effects of these factors on the length of sampling (time to baiting intensity = 0), maximum baiting intensity, and variation in baiting intensity during experimental trials. Among the three dry ice-baited trap types evaluated, traps utilizing insulated beverage coolers as dry ice containers sampled for the longest period of time, had the lowest maximum but most consistent baiting intensity within trials and were least sensitive to effects of wind speed and dry ice form (block vs. pellet) on baiting intensity. Results of trials involving traps baited with carbon dioxide released from pressurized cylinders suggested that this trap type had performance comparable to dry ice-baited insulated cooler traps but at considerably higher cost. © The Author 2015. Published by Oxford University Press on behalf of the Entomological Society of America.

77 FR 26051 - Information Collection Request; Submission for OMB Review

Federal Register 2010, 2011, 2012, 2013, 2014

2012-05-02

... sending the form by email. Title: Hometown News Release Form. OMB Control Number: 0420-pending. Type of...' Press Office uses the Hometown News Release Form to collect information about a Peace Corps invitee's decision to serve and their local newspapers. Method: The Peace Corps currently emails the Hometown News...

77 FR 40387 - Information Collection Requests Under OMB Review

Federal Register 2010, 2011, 2012, 2013, 2014

2012-07-09

... sending the form by email. Title: Hometown News Release Form. OMB Control Number: 0420--pending. Type of...' Press Office uses the Hometown News Release Form to collect information about a Peace Corps invitee's decision to serve and their local newspapers. Method: The Peace Corps currently emails the Hometown News...

Using public relations to promote health: a framing analysis of public relations strategies among health associations.

PubMed

Park, Hyojung; Reber, Bryan H

2010-01-01

This study explored health organizations' public relations efforts to frame health issues through their press releases. Content analysis of 316 press releases from three health organizations-the American Heart Association, the American Cancer Society, and the American Diabetes Association-revealed that they used the medical research frame most frequently and emphasized societal responsibility for health issues. There were differences, however, among the organizations regarding the main frames and health issues: the American Diabetes Association was more likely to focus on the issues related to social support and education, while the American Heart Association and the American Cancer Society were more likely to address medical research and scientific news. To demonstrate their initiatives for public health, all the organizations employed the social support/educational frame most frequently. Researchers and medical doctors frequently were quoted as trusted sources in the releases.

The evolution of a medical mystic: An interview with Christine Page, MD. Interview by Nancy Nachman-Hunt.

PubMed

Page, Christine

2008-01-01

Christine Page, MD, has been a physician and healer for more than 30 years. She received her medical degree at London University. Her medical specialties include obstetrics, gynecology, pediatrics, family practice, and homeopathy. She was raised in a family with rich spiritual traditions, and this background, in addition to her wide experience and expertise in traditional healthcare practices, enabled her to have an instrumental role in integrating complementary medicine into the British National Health Service. Dr Page is the author of 6 books: Frontiers of Health (Ebury Press; 1992); Mirror of Existence (Ebury Press; 1995); Beyond the Obvious (Ebury Press; 1998); Mind, Body, Spirit Workbook (Ebury Press; 2000); Spiritual Alchemy (Ebury Press; 2003); and the recently released 2012 and the Galactic Centre (Inner Traditions; 2008).

Development of press-coated, floating-pulsatile drug delivery of lisinopril.

PubMed

Jagdale, Swati C; Suryawanshi, Vishnu M; Pandya, Sudhir V; Kuchekar, Bhanudas S; Chabukswar, Aniruddha R

2014-01-01

Lisinopril is an angiotensin-converting enzyme (ACE) inhibitor, primarily used for the treatment of hypertension, congestive heart failure, and heart attack. It belongs to BCS class III having a half-life of 12 hrs and 25% bioavailability. The purpose of the present work was to develop a press-coated, floating-pulsatile drug delivery system. The core tablet was formulated using the super-disintegrants crosprovidone and croscarmellose sodium. A press-coated tablet (barrier layer) contained the polymer carrageenan, xanthan gum, HPMC K4M, and HPMC K15M. The buoyant layer was optimized with HPMC K100M, sodium bicarbonate, and citric acid. The tablets were evaluated for physical characteristics, floating lag time, swelling index, FTIR, DSC, and in vitro and in vivo behavior. The 5% superdisintgrant showed good results. The FTIR and DSC study predicted no chemical interactions between the drug and excipients. The formulation containing xanthan gum showed drug retaining abilities, but failed to float. The tablet containing HPMC K15M showed a high swelling index. The lag time for the tablet coated with 200 mg carrageenan was 3±0.1 hrs with 99.99±1.5% drug release; with 140 mg HPMC K4M, the lag time was 3±0.1 hrs with 99.71±1.2% drug release; and with 120 mg HPMC K15M, the lag time was 3±0.2 hrs with 99.98±1.7% drug release. The release mechanism of the tablet followed the Korsmeyer-Peppas equation and a first-order release pattern. Floating and lag time behavior have shown good in vitro and in vivo correlations.

Development of Press-Coated, Floating-Pulsatile Drug Delivery of Lisinopril

PubMed Central

Jagdale, Swati C.; Suryawanshi, Vishnu M.; Pandya, Sudhir V.; Kuchekar, Bhanudas S.; Chabukswar, Aniruddha R.

2014-01-01

Lisinopril is an angiotensin-converting enzyme (ACE) inhibitor, primarily used for the treatment of hypertension, congestive heart failure, and heart attack. It belongs to BCS class III having a half-life of 12 hrs and 25% bioavailability. The purpose of the present work was to develop a press-coated, floating-pulsatile drug delivery system. The core tablet was formulated using the super-disintegrants crosprovidone and croscarmellose sodium. A press-coated tablet (barrier layer) contained the polymer carrageenan, xanthan gum, HPMC K4M, and HPMC K15M. The buoyant layer was optimized with HPMC K100M, sodium bicarbonate, and citric acid. The tablets were evaluated for physical characteristics, floating lag time, swelling index, FTIR, DSC, and in vitro and in vivo behavior. The 5% superdisintgrant showed good results. The FTIR and DSC study predicted no chemical interactions between the drug and excipients. The formulation containing xanthan gum showed drug retaining abilities, but failed to float. The tablet containing HPMC K15M showed a high swelling index. The lag time for the tablet coated with 200 mg carrageenan was 3±0.1 hrs with 99.99±1.5% drug release; with 140 mg HPMC K4M, the lag time was 3±0.1 hrs with 99.71±1.2% drug release; and with 120 mg HPMC K15M, the lag time was 3±0.2 hrs with 99.98±1.7% drug release. The release mechanism of the tablet followed the Korsmeyer-Peppas equation and a first-order release pattern. Floating and lag time behavior have shown good in vitro and in vivo correlations. PMID:24959410

The rural restaurant healthy options program: response of rural, local newspapers to a program press release.

PubMed

Nothwehr, Faryle; Andsager, Julie; Haines, Heidi

2014-03-01

Local media should be used to raise awareness of health promotion programs. In rural areas, local newspapers provide an opportunity to reach large numbers of residents. Although there are expert guidelines describing the process for successfully engaging local media, little has been documented regarding the range of responses that local, rural newspapers might have when approached about covering health promotion programs. This study describes the response of rural, local newspapers to a press release about a health promotion program taking place in 28 restaurants in different rural towns. The most common reason for not publishing a story was that it would constitute free advertising for the restaurant. Twenty-two stories were analyzed using descriptive statistics. The majority of the responding newspapers were weeklies, and 16 published the full press release verbatim. Three stories included photos, and five included quotes. Headlines typically included the name of the restaurant and the university partner. The overall response rate is encouraging; however, there is considerable room for improvement in terms of personalizing the story with photos or quotes. Greater efforts may be required to obtain this depth of coverage, including training for local journalists to increase their interest and confidence in covering health promotion issues.

The Rural Restaurant Healthy Options Program: Response of Rural, Local Newspapers to a Program Press Release

PubMed Central

Nothwehr, Faryle; Andsager, Julie; Haines, Heidi

2014-01-01

Local media should be used to raise awareness of health promotion programs. In rural areas, local newspapers provide an opportunity to reach large numbers of residents. Although there are expert guidelines describing the process for successfully engaging local media, little has been documented regarding the range of responses that local, rural newspapers might have when approached about covering health promotion programs. This study describes the response of rural, local newspapers to a press release about a health promotion program taking place in 28 restaurants in different rural towns. The most common reason for not publishing a story was that it would constitute free advertising for the restaurant. Twenty-two stories were analyzed using descriptive statistics. The majority of the responding newspapers were weeklies, and 16 published the full press release verbatim. Three stories included photos, and five included quotes. Headlines typically included the name of the restaurant and the university partner. The overall response rate is encouraging; however, there is considerable room for improvement in terms of personalizing the story with photos or quotes. Greater efforts may be required to obtain this depth of coverage, including training for local journalists to increase their interest and confidence in covering health promotion issues. PMID:23182860

Amphetamine primes enhanced motivation toward uncertain choices in rats with genetic alcohol preference.

PubMed

Oinio, Ville; Sundström, Mikko; Bäckström, Pia; Uhari-Väänänen, Johanna; Kiianmaa, Kalervo; Raasmaja, Atso; Piepponen, Petteri

2018-05-01

Comorbidity with gambling disorder (GD) and alcohol use disorder (AUD) is well documented. The purpose of our study was to examine the influence of genetic alcohol drinking tendency on reward-guided decision making behavior of rats and the impact of dopamine releaser D-amphetamine on this behavior. In this study, Alko alcohol (AA) and Wistar rats went through long periods of operant lever pressing training where the task was to choose the profitable of two options. The lever choices were guided by different-sized sucrose rewards (one or three pellets), and the probability of gaining the larger reward was slowly changed to a level where choosing the smaller reward would be the most profitable in the long run. After training, rats were injected (s.c.) with dopamine releaser D-amphetamine (0.3, 1.0 mg/kg) to study the impact of rapid dopamine release on this learned decision making behavior. Administration of D-amphetamine promoted unprofitable decision making of AA rats more robustly when compared to Wistar rats. At the same time, D-amphetamine reduced lever pressing responses. Interestingly, we found that this reduction in lever pressing was significantly greater in Wistar rats than in AA rats and it was not linked to motivation to consume sucrose. Our results indicate that conditioning to the lever pressing in uncertain environments is more pronounced in AA than in Wistar rats and indicate that the reinforcing effects of a gambling-like environment act as a stronger conditioning factor for rats that exhibit a genetic tendency for high alcohol drinking.

Development of a simple analytical methodology for determination of glucosamine release from modified release matrix tablets.

PubMed

Wu, Yunqi; Hussain, Munir; Fassihi, Reza

2005-06-15

A simple spectrophotometric method for determination of glucosamine release from sustained release (SR) hydrophilic matrix tablet based on reaction with ninhydrin is developed, optimized and validated. The purple color (Ruhemann purple) resulted from the reaction was stabilized and measured at 570 nm. The method optimization was essential as many procedural parameters influenced the accuracy of determination including the ninhydrin concentration, reaction time, pH, reaction temperature, purple color stability period, and glucosamine/ninhydrin ratio. Glucosamine tablets (600 mg) with different hydrophilic polymers were formulated and manufactured on a rotary press. Dissolution studies were conducted (USP 26) using deionized water at 37+/-0.2 degrees C with paddle rotation of 50 rpm, and samples were removed manually at appropriate time intervals. Under given optimized reaction conditions that appeared to be critical, glucosamine was quantitatively analyzed and the calibration curve in the range of 0.202-2.020 mg (r=0.9999) was constructed. The recovery rate of the developed method was 97.8-101.7% (n=6). Reproducible dissolution profiles were achieved from the dissolution studies performed on different glucosamine tablets. The developed method is easy to use, accurate and highly cost-effective for routine studies relative to HPLC and other techniques.

7 CFR 1220.611 - Public notice.

Code of Federal Regulations, 2010 CFR

2010-01-01

... AND ORDERS; MISCELLANEOUS COMMODITIES), DEPARTMENT OF AGRICULTURE SOYBEAN PROMOTION, RESEARCH, AND... also be provided, without advertising expense, through press releases by State and county FSA offices...

Partisan Bias in Message Selection: Media Gatekeeping of Party Press Releases

PubMed Central

Haselmayer, Martin; Wagner, Markus; Meyer, Thomas M.

2017-01-01

Parties try to shape media coverage in ways that are favorable to them, but what determines whether media outlets pick up and report on party messages? Based on content analyses of 1,496 party press releases and 6,512 media reports from the 2013 Austrian parliamentary election campaign, we show that media coverage of individual party messages is influenced not just by news factors, but also by partisan bias. The media are therefore more likely to report on messages from parties their readers favor. Importantly, this effect is greater rather than weaker when these messages have high news value. These findings have important implications for understanding the media’s role in elections and representative democracies in general. PMID:29170614

Early crop-tree release in even-aged stands of Appalachian hardwoods

Treesearch

George R., Jr. Trimble; George R. Trimble

1971-01-01

Now that even-aged silviculture is well established as a successful method of growing Appalachian hardwoods, a pressing need exists for guidelines for precommercial operations. We started research several years ago on the Fernow Experimental Forest near Parsons, West Virginia, to learn more about the cost and methodology of early crop-tree release in mountain hardwood...

Fermilab | Tritium at Fermilab | Tritium released into the air and disposed

Science.gov Websites

Science Jobs Contact Phone Book Newsroom Newsroom News and features Press releases Photo gallery Fact Tevatron experiments Tevatron operation Shutdown process For the media Video of shutdown event Guest book Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For Industry

10 CFR 2.1005 - Exclusions.

Code of Federal Regulations, 2013 CFR

2013-01-01

... as material related to budgets, financial management, personnel, office space, general distribution... clippings and press releases; (e) Junk mail; (f) References cited in contractor reports that are readily...

10 CFR 2.1005 - Exclusions.

Code of Federal Regulations, 2014 CFR

2014-01-01

... as material related to budgets, financial management, personnel, office space, general distribution... clippings and press releases; (e) Junk mail; (f) References cited in contractor reports that are readily...

A resolution expressing solidarity with the writers, journalists, and librarians of Cuba on World Press Freedom Day and calling for the immediate release of citizens of Cuba imprisoned for exercising rights associated with freedom of the press.

THOMAS, 111th Congress

Sen. Martinez, Mel [R-FL

2009-05-14

Senate - 05/14/2009 Submitted in the Senate, considered, and agreed to without amendment and with a preamble by Unanimous Consent. (All Actions) Tracker: This bill has the status Agreed to in SenateHere are the steps for Status of Legislation:

The New York State Program for the Conservation and Preservation of Library Research Materials. Selected Press Clippings about Projects Funded by the Discretionary Grant Program, 1988/89 and 1989/90.

ERIC Educational Resources Information Center

New York State Library, Albany. Div. of Library Development.

This document is composed of clippings from news publications and press releases about projects funded by the New York State Discretionary Grant Program for Conservation and Preservation of Library Research Materials, which annually awards $500,000 to libraries, archives, historical societies, and similar agencies in New York State through…

Chitinosans as tableting excipients for modified release delivery systems.

PubMed

Rege, P R; Shukla, D J; Block, L H

1999-04-20

The term 'chitinosans' embraces the spectrum of acetylated poly(N-glucosamines) ranging from chitin to chitosan. Chitinosans (I), at acidic pH, have protonated amines which can interact with oppositely charged drug ions and, thereby, modify drug release from drug delivery systems. Tablets were compressed from a physical mixture containing salicylic acid (II) as the model drug, I, and magnesium stearate. Five commercial I compounds, varying in degree of deacetylation and molecular weight, were selected. Tablets were compressed at 5000, 10 000, and 15 000 psig using a Carver and a single punch tablet press. The differential scanning calorimetry thermograms provided evidence of I-II interaction in the powder blend. Analysis of variance (ANOVA) indicated that the compression pressure did not significantly affect the crushing strength (CS) or the release profile of II from the I-matrix tablets (P?0.05). Furthermore, the ANOVA also indicated that the tablet press used during manufacture did not affect the above properties (P?0.05); however, the chitinosans significantly affected the CS as well as the release profile of II from I-matrix tablets (P<0.05). This study provides further evidence for the use of commercial I compounds as excipients for use in modified release drug delivery systems. Copyright.

From scientific article to press release to media coverage: advocating alcohol abstinence and democratising risk in a story about alcohol and pregnancy.

PubMed

Lee, Ellie; Sutton, Robbie M; Hartley, Bonny L

2016-08-17

In this article, we follow the approach taken by Riesch and Spiegalhalter in "Careless pork costs lives': Risk stories from science to press release to media' published in this journal, and offer an assessment of one example of a 'risk story'. Using content and thematic qualitative analysis, we consider how the findings of an article 'Fetal Alcohol Exposure and IQ at Age 8: Evidence from a Population-Based Birth-Cohort Study' were framed in the article itself, the associated press release, and the subsequent extensive media coverage. We contextualise this consideration of a risk story by discussing a body of work that critically engages with the development and global proliferation of efforts to advocate for alcohol abstinence to pregnant (and pre-pregnant) women. This work considers the 'democratisation' of risk, a term used to draw attention to the expansion of the definition of the problem of drinking in pregnancy to include any drinking and all women. We show here how this risk story contributed a new dimension to the democratisation of risk through claims that were made about uncertainty and certainty. A central argument we make concerns the contribution of the researchers themselves (not just lobby groups or journalists) to this outcome. We conclude that the democratisation of risk was advanced in this case not simply through journalists exaggerating and misrepresenting research findings, but that communication to the press and the initial interpretation of findings played their part. We suggest that this risk story raises concerns about the accuracy of reporting of research findings, and about the communication of unwarrantedly worrying messages to pregnant women about drinking alcohol.

Reaction of Shocked but Undetonated HMX-Based Explosive

NASA Astrophysics Data System (ADS)

Taylor, P.; Salisbury, D. A.; Markland, L. S.; Winter, R. E.; Andrew, M. I.

2002-07-01

Cylindrical samples of the pressed plastic bonded HMX based explosive EDC37, backed by metal discs, were shocked through a stainless steel attenuator by an explosive donor. Reaction of the EDC37 sample was diagnosed with embedded PVDF pressure gauges and a distance to detonation for the geometry was determined. Sample length was then reduced to less than the observed detonation distance and laser interferometry was used to record the free surface velocity of the metal backing disc. The results provide data on the metal driving energy liberated by explosive which is shocked and reacting but not detonated. The results are compared with 2-D Eulerian calculations incorporating a 3-term ignition and growth reactive burn model with desensitisation. It is found that a parameter set for the reaction model which replicates the PVDF pressure profiles before reflection also gives good agreement to the metal disc velocity history at early times. The results show that an appreciable fraction of the metal driving potential of an explosive can be released without detonation being established.

Study of physical and biological factors involved in the disruption of E. coli by hydrodynamic cavitation.

PubMed

Balasundaram, B; Harrison, S T L

2006-01-01

Hydrodynamic cavitation results in flow restriction in a flow system causing rapid pressure fluctuations and significant fluid forces. These can be harnessed to mediate microbial cell damage. Hydrodynamic cavitation was studied for the partial disruption of E. coli and selective release of specific proteins relative to the total soluble protein. The effects of the cavitation number, the number of passes, and the specific growth rate of E. coli on the release of periplasmic and cytoplasmic proteins were studied. At the optimum cavitation number of 0.17 for this experimental configuration, 48% of the total soluble protein, 88% of acid phosphatase, and 67% of beta-galactosidase were released by hydrodynamic cavitation in comparison with the maximum release attained using multiple passes through the French Press. The higher release of the acid phosphatase over the total soluble protein suggested preferred release of periplasmic compounds. This was supported by SDS-PAGE analysis. The absence of micronization of cell material resulting in the potential for ease of solid-liquid separation downstream of the cell disruption operation was confirmed by TEM microscopy. E. coli cells cultivated at a higher specific growth rate (0.36 h(-1)) were more easily disrupted than slower grown cells (0.11 h(-1)). The specific activity of the enzyme of interest released by hydrodynamic cavitation, defined as the units of enzyme in solution per milligram of total soluble protein, was greater than that obtained on release by the French Press, high-pressure homogenization, osmotic shock, and EDTA treatment. The selectivity offered indicates the potential of enzyme release by hydrodynamic cavitation to ease the purification in the subsequent downstream processing.

When Medical News Comes from Press Releases-A Case Study of Pancreatic Cancer and Processed Meat.

PubMed

Taylor, Joseph W; Long, Marie; Ashley, Elizabeth; Denning, Alex; Gout, Beatrice; Hansen, Kayleigh; Huws, Thomas; Jennings, Leifa; Quinn, Sinead; Sarkies, Patrick; Wojtowicz, Alex; Newton, Philip M

2015-01-01

The media have a key role in communicating advances in medicine to the general public, yet the accuracy of medical journalism is an under-researched area. This project adapted an established monitoring instrument to analyse all identified news reports (n = 312) on a single medical research paper: a meta-analysis published in the British Journal of Cancer which showed a modest link between processed meat consumption and pancreatic cancer. Our most significant finding was that three sources (the journal press release, a story on the BBC News website and a story appearing on the 'NHS Choices' website) appeared to account for the content of over 85% of the news stories which covered the meta analysis, with many of them being verbatim or moderately edited copies and most not citing their source. The quality of these 3 primary sources varied from excellent (NHS Choices, 10 of 11 criteria addressed) to weak (journal press release, 5 of 11 criteria addressed), and this variance was reflected in the accuracy of stories derived from them. Some of the methods used in the original meta-analysis, and a proposed mechanistic explanation for the findings, were challenged in a subsequent commentary also published in the British Journal of Cancer, but this discourse was poorly reflected in the media coverage of the story.

diffloop: a computational framework for identifying and analyzing differential DNA loops from sequencing data.

PubMed

Lareau, Caleb A; Aryee, Martin J; Berger, Bonnie

2018-02-15

The 3D architecture of DNA within the nucleus is a key determinant of interactions between genes, regulatory elements, and transcriptional machinery. As a result, differences in DNA looping structure are associated with variation in gene expression and cell state. To systematically assess changes in DNA looping architecture between samples, we introduce diffloop, an R/Bioconductor package that provides a suite of functions for the quality control, statistical testing, annotation, and visualization of DNA loops. We demonstrate this functionality by detecting differences between ENCODE ChIA-PET samples and relate looping to variability in epigenetic state. Diffloop is implemented as an R/Bioconductor package available at https://bioconductor.org/packages/release/bioc/html/diffloop.html. aryee.martin@mgh.harvard.edu. Supplementary data are available at Bioinformatics online. © The Author (2017). Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com

Uranium carbide fission target R&D for RIA - an update

NASA Astrophysics Data System (ADS)

Greene, J. P.; Levand, A.; Nolen, J.; Burtseva, T.

2004-12-01

For the Rare Isotope Accelerator (RIA) facility, ISOL targets employing refractory compounds of uranium are being developed to produce radioactive ions for post-acceleration. The availability of refractory uranium compounds in forms that have good thermal conductivity, relatively high density, and adequate release properties for short-lived isotopes remains an important issue. Investigations using commercially obtained uranium carbide material and prepared into targets involving various binder materials have been carried out at ANL. Thin sample pellets have been produced for measurements of thermal conductivity using a new method based on electron bombardment with the thermal radiation observed using a two-color optical pyrometer and performed on samples as a function of grain size, pressing pressure and sintering temperature. Manufacture of uranium carbide powder has now been achieved at ANL. Simulations have been carried out on the thermal behavior of the secondary target assembly incorporating various heat shield configurations.

Biopharmaceutical evaluation of time-controlled press-coated tablets containing polymers to adjust drug release.

PubMed

Halsas, M; Ervasti, P; Veski, P; Jürjenson, H; Marvola, M

1998-01-01

This paper deals with press-coated modified release tablets in which the drug dose is situated in the core or is divided between the core and the coat. The coat contains polymer (sodium alginate or hydroxypropylmethyl cellulose, HPMC) to control drug release. The main objective was to investigate how the pharmacokinetic profile of the model drug could be modified by altering the proportion of the drug between the core and the coat. The effect of the amount of the polymer in the coat was also studied. Bioavailability tests were carried out on healthy volunteers. In the absorption curves of the tablets containing 50%, 67% and 80% of the drug in the core and 180 mg HPMC in the coat a bimodal profile was observed. No bimodal release pattern in the in vitro dissolution studies was found. If the whole dose was incorporated in the core the absorption curve has only one clear t(max) value at about 10 h. Doubling the amount of HPMC in the coat dramatically decreased drug absorption. It was concluded that, if a slightly reduced t(max)-value was required, the viscosity grade of HPMC used should be lowered.

Structural, magnetic, elastic, dielectric and electrical properties of hot-press sintered Co1-xZnxFe2O4 (x = 0.0, 0.5) spinel ferrite nanoparticles

NASA Astrophysics Data System (ADS)

Singh Yadav, Raghvendra; Kuřitka, Ivo; Havlica, Jaromir; Hnatko, Miroslav; Alexander, Cigáň; Masilko, Jiri; Kalina, Lukas; Hajdúchová, Miroslava; Rusnak, Jaroslav; Enev, Vojtěch

2018-02-01

In this article, Co1-xZnxFe2O4 (x = 0.0 and 0.5) disc-shaped pellets were formed by hot-press sintering of nanoparticles at temperature 925 °C for 10 min in vacuum atmosphere under 30 MPa mechanical pressure. X-ray diffraction study confirmed the formation of spinel cubic ferrite structure of hot-press sintered spinel ferrite Co1-xZnxFe2O4 (x = 0.0 and 0.5) samples. The scanning electron microscopy image indicated that the growth and densification of smaller ferrite nanoparticles were higher than larger ferrite nanoparticles. Magnetic properties of sintered samples were investigated by the superconducting quantum interface device (SQUID) magnetometer at room temperature. The hot press sintered Co1-xZnxFe2O4 (x = 0.0 and 0.5) pellet samples exhibited magnetic properties dependent on the grain size of spinel ferrite particles. The maximum saturation magnetization 82.47 emu/g was obtained for Co0.5Zn0.5Fe2O4 hot press sintered sample of ball-milled ferrite particles. Further, the impact of grain size and density of sample on hardness, dielectric property and ac conductivity of hot-press sintered samples was investigated. In addition, the longitudinal wave velocity (Vl), transverse wave velocity (Vt), mean elastic wave velocity (Vm), bulk modulus (B), rigidity modulus (G), Young's modulus (E), Poisson ratio (σ) and Debye temperature (θD) were calculated. The elastic moduli of hot press sintered ferrite samples were corrected to zero porosity using Hosselman and Fulrath model.

14 CFR 1213.100 - Scope.

Code of Federal Regulations, 2010 CFR

2010-01-01

... include, but are not limited to, press releases, media advisories, news features, and Web postings. Not included under this definition are scientific and technical reports, Web postings designed for technical or...

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Experimental measurements of shock properties of stishovite

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

Furnish, M.D.; Ito, E.

1995-10-01

We have synthesized, characterized and performed Hugoniot measurements on monolithic samples of stishovite, a high pressure polymorph of silica. Synthesis was accomplished in a multianvil press with pyrophyllite gaskets and carbon heaters. The samples had densities ranging from 3.80 to 4.07, corresponding to stishovite volume fractions of 0.7 to 0.87, a range confirmed by NMR analysis. They had no significant impurities except less than 1% carbon. Samples {approximately} 1 mm thick and 3 mm diameter were tested in reverse- and forward-ballistics modes on a two-stage light gas gun, using velocity interferometry diagnostics. Impact velocities ranged from 4.0 to 6.5 km/sec.more » Hugoniot stresses for the four successful tests ranged from 65 to 225GPa. At higher stresses significant uncertainties arise due to impact tilt/nonplanariy issues. Results are consistent with earlier predictions of the stishovite Hugoniot based on quartz-centered Hugoniot data, static-compression (diamond-anvil cell) data and hydrostatic multianvil cell data. Release behavior appears to be frozen. These results are remarkable in view of the small size of the samples used.« less

Experimental measurements of shock properties of stishovite

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

Furnish, M.D.; Ito, E.

1996-05-01

We have synthesized, characterized and performed Hugoniot measurements on monolithic samples of stishovite. Synthesis was accomplished in a multianvil press with pyrophyllite gaskets and carbon heaters. The samples had densities ranging from 3.80 to 4.07Mg/m{sup 3}, corresponding to stishovite volume fractions of 0.7 to 0.87, a range confirmed by NMR analysis. They had no significant impurities except less than 1{percent} carbon. Samples {approximately}1 mm thick and 3 mm diameter were tested in reverse- and forward-ballistics modes on a two-stage light gas gun, using velocity interferometry diagnostics. Impact velocities ranged from 4.0 to 6.5 km/sec. Hugoniot stresses for the four successfulmore » tests ranged from 65 to 225GPa. At higher stresses significant uncertainties arise due to impact tilt/nonplanarity issues. Results are consistent with earlier predictions of the stishovite Hugoniot based on quartz-centered Hugoniot data, static-compression (diamond-anvil cell) data and hydrostatic multianvil cell data. Release behavior appears to be frozen. These results are remarkable in view of the small size of the samples used. {copyright} {ital 1996 American Institute of Physics.}« less

Stress

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2011-01-01

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Sustainability

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Preparation of enteric coated timed-release press-coated tablets and evaluation of their function by in vitro and in vivo tests for colon targeting.

PubMed

Fukui, E; Miyamura, N; Uemura, K; Kobayashi, M

2000-08-25

As a new oral drug delivery system for colon targeting, enteric coated timed-release press-coated tablets (ETP tablets) were developed by coating enteric polymer on timed-release press-coated tablets composed of an outer shell of hydroxypropylcellulose and core tablet containing diltiazem hydrochloride (DIL) as a model drug. The results of the in vitro dissolution tests in JP 1st fluid (pH 1.2) and JP 2nd fluid (pH 6.8) indicated that these tablets showed both acid resistance and timed-release. To clarify whether ETP tablets could have been of use in the gastrointestinal tract, ETP tablets with a layer of phenylpropanolamine hydrochloride (PPA) (a marker of gastric emptying) between the enteric coating layer and outer shell were prepared, and were administered to beagle dogs. The gastric emptying time and lag time after gastric emptying were evaluated by determining the times at which PPA and DIL first appeared in the plasma (TFA(PPA) and TFA(DIL), respectively). TFA(PPA) and TFA(DIL) were about 4 and 7 h, respectively. This value of TFA(PPA) indicated that ETP tablets displayed acid resistance in the stomach as well as in JP Ist fluid. Subtraction of TFA(PPA) from TFA(DIL) gave a value of about 3 h which agreed well with the lag time determined by in vitro dissolution test in JP 2nd fluid. Also, the results seemed to be in accordance with the time at which the tablets reached the colon after gastric emptying. Therefore, ETP tablets seemed to be an effective tool for oral site-specific delivery including targeting of the colon.

Recent research on stishovite: Hugoniot and partial release Z experiments and DFT EOS calculations

NASA Astrophysics Data System (ADS)

Furnish, Michael; Shulenburger, Luke; Desjarlais, Michael; Fei, Yingwei

2017-06-01

We have conducted a series of ride-along experiments on the Z facility to ascertain the Hugoniot of silica centered in the stishovite phase over a range 0.4 - 1.0 TPa, together with partial release states produced at the interface between the sample and a fused silica window. The stishovite samples were synthesized in a large-volume multi-anvil press at 15 GPa and 1773 K, with an initial density of 4.29 gm/cc. The new Z experiments on stishovite fill in a gap between gas gun experiments and NIF experiments. The states are compared with the Hugoniots of quartz and fused silica for inferences as to EOS. They are generally consistent with Sesame 7360 predictions. Sound speed constraints from these data are discussed. The new Hugoniot data cross over the melting curve of stishovite, providing insight into the properties of solid and liquid under extreme conditions in conjunction with predictions from density-functional theory modeling. These data are fundamentally important for understanding the interior of silicate-based super-Earths. Sandia National Labs is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corp., for the U.S. Dept. of Energy's National Nuclear Security Administration under contract DE-AC04-94AL85000.

Effect of Hot Isostatic Pressing and Powder Feedstock on Porosity, Microstructure, and Mechanical Properties of Selective Laser Melted AlSi10Mg

DOE PAGES

Finfrock, Christopher B.; Exil, Andrea; Carroll, Jay D.; ...

2018-06-06

AlSi10Mg tensile bars were additively manufactured using the powder-bed selective laser melting process. Samples were subjected to stress relief annealing and hot isostatic pressing. Tensile samples built using fresh, stored, and reused powder feedstock were characterized for microstructure, porosity, and mechanical properties. Fresh powder exhibited the best mechanical properties and lowest porosity while stored and reused powder exhibited inferior mechanical properties and higher porosity. The microstructure of stress relieved samples was fine and exhibited (001) texture in the z-build direction. Microstructure for hot isostatic pressed samples was coarsened with fainter (001) texture. To investigate surface and interior defects, scanning electronmore » microscopy, optical fractography, and laser scanning microscopy techniques were employed. Hot isostatic pressing eliminated internal pores and reduced the size of surface porosity associated with the selective laser melting process. Hot isostatic pressing tended to increase ductility at the expense of decreasing strength. Furthermore, scatter in ductility of hot isostatic pressed parts suggests that the presence of unclosed surface porosity facilitated fracture with crack propagation inward from the surface of the part.« less

Effect of Hot Isostatic Pressing and Powder Feedstock on Porosity, Microstructure, and Mechanical Properties of Selective Laser Melted AlSi10Mg

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

Finfrock, Christopher B.; Exil, Andrea; Carroll, Jay D.

AlSi10Mg tensile bars were additively manufactured using the powder-bed selective laser melting process. Samples were subjected to stress relief annealing and hot isostatic pressing. Tensile samples built using fresh, stored, and reused powder feedstock were characterized for microstructure, porosity, and mechanical properties. Fresh powder exhibited the best mechanical properties and lowest porosity while stored and reused powder exhibited inferior mechanical properties and higher porosity. The microstructure of stress relieved samples was fine and exhibited (001) texture in the z-build direction. Microstructure for hot isostatic pressed samples was coarsened with fainter (001) texture. To investigate surface and interior defects, scanning electronmore » microscopy, optical fractography, and laser scanning microscopy techniques were employed. Hot isostatic pressing eliminated internal pores and reduced the size of surface porosity associated with the selective laser melting process. Hot isostatic pressing tended to increase ductility at the expense of decreasing strength. Furthermore, scatter in ductility of hot isostatic pressed parts suggests that the presence of unclosed surface porosity facilitated fracture with crack propagation inward from the surface of the part.« less

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Administrator Bridenstine - returning Astronauts to the Moon

NASA Image and Video Library

2018-06-18

NASA Administrator Jim Bridenstine delivers remarks during a meeting of the National Space Council in the East Room of the White House, Monday, June 18, 2018, in Washington. News release: https://www.nasa.gov/press-release/na... Chaired by the Vice President, the council's role is to advise President Donald J. Trump regarding national space policy and strategy, and review the nation's long-range goals for space activities.

Gas Control and Thermal Modeling Methods for Pressed Pellet and Fast Rise Thin-Film Thermal Batteries

DTIC Science & Technology

2015-09-01

Thin-Film Thermal Batteries by Frank C Krieger and Michael S Ding Approved for public release; distribution unlimited...Laboratory Gas Control and Thermal Modeling Methods for Pressed Pellet and Fast Rise Thin-Film Thermal Batteries by Frank C Krieger and Michael S...Batteries 5a. CONTRACT NUMBER 5b. GRANT NUMBER 5c. PROGRAM ELEMENT NUMBER 6. AUTHOR(S) Frank C Krieger and Michael S Ding 5d. PROJECT NUMBER

Investigation of Plasma Processes in Electronic Transition Lasers

DTIC Science & Technology

1985-05-30

Faraday Trans. II (in press) " H . Helvajian and C. Wittig, Appl. Phys. Lett. 38, 731 (1981). "W. L. Nighan, Appl. Phys. Lett. 36, 173 (1980). "D...Press. New York. Helvajian . H .. and Wittig. W. (1981). Appl. Phys. Lett. 38. 731-733. Horiguchi. H .. Chang. R. S. F.. and Setser. D. W, (1981). J...release; distribution unlimited 17. DISTRIBUTION STATEMENT (ot th» mbttraci •nfrtd In Block 30, H dllltrani ttom Rmporl) 18. SUPPLEMENTARY

Flattening of Sustainment: The Interaction of Technology, Information, Force Structure, and the Emergence of Operational Logistics

DTIC Science & Technology

2009-05-21

Leavenworth, Kansas AY 2009 Approved for Public Release; Distribution is Unlimited REPORT DOCUMENTATION PAGE Form Approved OMB No. 0704-0188...sustainment and security. Kellogg Brown and Root now known as KBR, The Flour Corporation and others as PMCs. 8Department of Defense, The Budget for Fiscal...Glantz and Jonathan House, When Titans Clashed: How the Red Army Stopped Hitler (Lawrence, KS: University Press of Kansas Press, 1995), 8. 23Joint

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2013-04-16

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In-vitro/in-vivo correlation of pulsatile drug release from press-coated tablet formulations: a pharmacoscintigraphic study in the beagle dog.

PubMed

Ghimire, Manish; McInnes, Fiona J; Watson, David G; Mullen, Alexander B; Stevens, Howard N E

2007-09-01

The aim of the current study was to investigate the in-vitro and in-vivo performance of a press-coated tablet (PCT) intended for time delayed drug release, consisting of a rapidly disintegrating theophylline core tablet, press-coated with barrier granules containing glyceryl behenate (GB) and low-substituted hydroxypropylcellulose (L-HPC). The PCTs showed pulsatile release with a lag time dependent upon the GB and L-HPC composition of the barrier layer. In-vivo gamma-scintigraphic studies were carried out for PCTs containing GB:L-HPC at 65:35 w/w and 75:25 w/w in the barrier layer in four beagle dogs, in either the fed or fasted state. The in-vivo lag time in both the fed and fasted states did not differ significantly (p>0.05) from the in-vitro lag time. Additionally, no significant difference (p<0.05) between in-vivo fed and fasted disintegration times was observed, demonstrating that in-vivo performance of the PCT was not influenced by the presence or absence of food in the gastrointestinal tract. A distinct lag time was obtained prior to the appearance of drug in plasma and correlated (R2=0.98) with disintegration time observed from scintigraphic images. However, following disintegration, no difference in pharmacokinetic parameters (AUC(0-6 dis), K(el), Cmax) was observed. The current study highlighted the potential use of these formulations for chronopharmaceutical drug delivery.

Digging into the Public's Astronomy Interests

NASA Astrophysics Data System (ADS)

Miller, Scott; Simpson, R.; Gay, P.

2009-05-01

The astronomy community is good at sharing what we feel is most important or most interesting to the public via press releases, and we can get a sense of what the media wants from what they select to publish. Understanding exactly what the public most enjoys, however, was until recently mostly a matter of guesswork. Social networking sites, however, provide a place for people to publicly indicate what they like. For instance, the site http://www.digg.com allows people to submit links to interesting content on any subject and people can add "Diggs" to that linked in page. As articles gain more and more Diggs, they rise through the ranks, with the overall highest ranked sites appearing on the Digg homepage, and the highest ranked in a variety of topics, including both "Science" and the sub-topic "Space." In this poster we look at 1 month of data from Digg and study what astronomy subjects the public selects to Digg, what items have the most staying power, and compare what is Dugg to what is released via press releases during the same period.

Energy Sustainability and the Army: The Current Transformation

DTIC Science & Technology

2009-04-01

heating and 20 cooling for buildings; wood-fired central heating plant; pyrolysis plant for conversion of wood to liquid fuels; synthetic mobility fuels...Http://Www.Sciencedaily.Com/Releases/2008/ 08/080818184434.Htm. Accessed 22 August 2008. Anonymous, “Bio-Fuel from Corn , Switch-Grass And Misconthus...Press_Releases_Seven.Html. Accessed 15 August 2008. Anonymous, “Protecting Soils and Producing Bio-Fuel With Corn Stover, Science News, 7 November 2008. Available

Geophysics in the public eye

NASA Astrophysics Data System (ADS)

The 1988 AGU Spring Meeting attracted more journalists than ever before. Representatives from 12 magazines, 5 newspapers, 2 wire services, and a TV station used the press room and attended the 6 news conferences. The journalists were attracted to the meeting, held May 16-in Baltimore, Md., by 6 press releases mailed out by the AGU public information staff in the 2 months before the meeting. Correspondents from as far as Sweden and Japan joined U.S. reporters from San Francisco, New York, Washington, D.C. and Baltimore.

Human Space Flight Plans Committee Report

NASA Image and Video Library

2009-10-21

U.S. Human Space Flight Plans Committee member Ed Crawley, right, answers a reporter's question during a press conference where the committee released it's report on Thursday, Oct., 22, 2009 at the National Press Club in Washington. The Obama Administration tasked the committee to do an independent review of planned U.S. human space flight activities with the goal of ensuring that the nation is on a vigorous and sustainable path to achieving its boldest aspirations in space. Photo Credit: (NASA/Bill Ingalls)

Human Space Flight Plans Committee Report

NASA Image and Video Library

2009-10-21

U.S. Human Space Flight Plans Committee member Ed Crawley answers a reporter's question during a press conference where the committee released it's report on Thursday, Oct., 22, 2009 at the National Press Club in Washington. The Obama Administration tasked the committee to do an independent review of planned U.S. human space flight activities with the goal of ensuring that the nation is on a vigorous and sustainable path to achieving its boldest aspirations in space. Photo Credit: (NASA/Bill Ingalls)

Human Space Flight Plans Committee Report

NASA Image and Video Library

2009-10-21

Copies of the U.S. Human Space Flight Plans Committee report are seen at a press conference where the committee released it's report findings on Thursday, Oct., 22, 2009 at the National Press Club in Washington. The Obama Administration tasked the committee to do an independent review of planned U.S. human space flight activities with the goal of ensuring that the nation is on a vigorous and sustainable path to achieving its boldest aspirations in space. Photo Credit: (NASA/Bill Ingalls)

Human Space Flight Plans Committee Report

NASA Image and Video Library

2009-10-21

Chairman of the U.S. Human Space Flight Plans Committee Norman Augustine, center, listens to reporters questions during a press conference where the committee released it's report on Thursday, Oct., 22, 2009 at the National Press Club in Washington. The Obama Administration tasked the committee to do an independent review of planned U.S. human space flight activities with the goal of ensuring that the nation is on a vigorous and sustainable path to achieving its boldest aspirations in space. Photo Credit: (NASA/Bill Ingalls)

Human Space Flight Plans Committee Report

NASA Image and Video Library

2009-10-21

Chairman of the U.S. Human Space Flight Plans Committee Norman Augustine answers a reporters question during a press conference where the committee released it's report on Thursday, Oct., 22, 2009 at the National Press Club in Washington. The Obama Administration tasked the committee to do an independent review of planned U.S. human space flight activities with the goal of ensuring that the nation is on a vigorous and sustainable path to achieving its boldest aspirations in space. Photo Credit: (NASA/Bill Ingalls)

Treatment Option Overview (Small Cell Lung Cancer)

MedlinePlus

... Events Scientific Meetings & Lectures Conferences Advisory Board Meetings Social Media Events Cancer Currents Blog All Press Releases 2018 ... Events Scientific Meetings & Lectures Conferences Advisory Board Meetings Social Media Cancer Currents Blog About NCI NCI Overview History ...

Treatment Options for Adult Hodgkin Lymphoma

MedlinePlus

... Events Scientific Meetings & Lectures Conferences Advisory Board Meetings Social Media Events Cancer Currents Blog All Press Releases 2018 ... Events Scientific Meetings & Lectures Conferences Advisory Board Meetings Social Media Cancer Currents Blog About NCI NCI Overview History ...

National Center for Mathematics and Science - publications

Science.gov Websites

Approach to Teaching Evolution Speaks to Debate (press release) Fourth Grade Math Makes the News: VIEW , Megan Loef Franke, Linda Levi Publisher: Heinemann, 2003 Transforming Teaching in Math and Science: How

Premature death rates diverge in the United States

Cancer.gov

An NCI press release on a study that shows premature death rates have declined in the United States among Hispanics, blacks, and Asian/Pacific Islanders but increased among whites and American Indian/Alaska Natives.

Telescopes on Cerro Tololo & Cerro Pachon | CTIO

Science.gov Websites

Program PIA Program GO-FAAR Program Other Opportunities Tourism Visits to Tololo Astro tourism in Chile Tourism in Chile Information for travelers Visit Tololo Media Relations News Press Release Publications

NOAO-S EPO Program team | CTIO

Science.gov Websites

Program PIA Program GO-FAAR Program Other Opportunities Tourism Visits to Tololo Astro tourism in Chile Tourism in Chile Information for travelers Visit Tololo Media Relations News Press Release Publications

Victor Blanco 4-m Telescope | CTIO

Science.gov Websites

Program PIA Program GO-FAAR Program Other Opportunities Tourism Visits to Tololo Astro tourism in Chile Tourism in Chile Information for travelers Visit Tololo Media Relations News Press Release Publications

36 CFR 1120.22 - Requests to which this subpart applies.

Code of Federal Regulations, 2011 CFR

2011-07-01

... the Freedom of Information Act, 5 U.S.C. 552, except with respect to records for which a less formal... speeches, press releases, and educational materials, shall be honored. No individual determination under...

Accreditation Association for Ambulatory Health Care

MedlinePlus

... Press Release Archives learn more » For Patients Your health care choices matter. Whether you're anticipating a surgical ... certificate of accreditation is a sign that a health care organization meets or exceeds nationally-recognized Standards. Learn ...

Proton Improvement Plan-II (PIP-II)

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media , Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For Industry Jobs Interact

Phase III Early Restoration Meeting | NOAA Gulf Spill Restoration

Science.gov Websites

Louisiana Mississippi Texas Region-wide Open Ocean Data Media & News Publications Press Releases Story programmatic approach to early restoration planning for Phase III and future early restoration plans. Open

36 CFR 1120.22 - Requests to which this subpart applies.

Code of Federal Regulations, 2010 CFR

2010-07-01

... the Freedom of Information Act, 5 U.S.C. 552, except with respect to records for which a less formal... speeches, press releases, and educational materials, shall be honored. No individual determination under...

Strategies to overcome pH-dependent solubility of weakly basic drugs by using different types of alginates.

PubMed

Gutsche, S; Krause, M; Kranz, H

2008-12-01

Weakly basic drugs demonstrate higher solubility at lower pH, thus often leading to faster drug release at lower pH. The objective of this study was to achieve pH-independent release of weakly basic drugs from extended release formulations based on the naturally occurring polymer sodium alginate. Three approaches to overcome the pH-dependent solubility of the weakly basic model drug verapamil hydrochloride were investigated. First, matrix tablets were prepared by direct compression of drug substance with different types of sodium alginate only. Second, pH-modifiers were added to the drug/alginate matrix systems. Third, press-coated tablets consisting of an inner pH-modifier tablet core and an outer drug/sodium alginate coat were prepared. pH-Independent drug release was achieved from matrix tablets consisting of selected alginates and drug substance only. Alginates are better soluble at higher pH. Therefore, they are able to compensate the poor solubility of weakly basic drugs at higher pH as the matrix of the tablets dissolves faster. This approach was successful when using alginates that demonstrated fast hydration and erosion at higher pH. The approach failed for alginates with less-pronounced erosion at higher pH. The addition of fumaric acid to drug/alginate-based matrix systems decreased the microenvironmental pH within the tablets thus increasing the solubility of the weakly basic drug at higher pH. Therefore, pH-independent drug release was achieved irrespective of the type of alginate used. Drug release from press-coated tablets did not provide any further advantages as compound release remained pH-dependent.

A study of ferromagnetic signals in SrTiO{sub 3} nanoparticles

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

Kovacs, P.; Des Roches, B.; Crandles, D. A.

It has been suggested that ferromagnetism may be a universal feature of nanoparticles related to particle size. We study this claim for the case of commercially produced SrTiO{sub 3} nanoparticles purchased from Alfa-Aesar. Both loosely-packed nanoparticle samples and pellets formed using uniaxial pressure were studied. Both loose and pressed samples were annealed in either air or in vacuum of 5×10{sup −6} Torr at 600, 800 and 1000°C. Then x-ray diffraction and SQUID measurements were made on the resulting samples. It was found that annealed loose powder samples always had a linear diamagnetic magnetization versus field response, while their pressed pelletmore » counterparts exhibit a ferromagnetic hysteresis component in addition to the linear diamagnetic signal. Williamson-Hall analysis reveals that the particle size in pressed pellet samples increases with annealing temperature but does not change significantly in loose powder samples. The main conclusion is that the act of pressing pellets in a die introduces a spurious ferromagnetic signal into SQUID measurements.« less

Got Questions About the Higgs Boson? Ask a Scientist

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

Hinchliffe, Ian

Ask a scientist about the Higgs boson. There's a lot of buzz this week over new data from CERN's Large Hadron Collider (LHC) and the final data from Fermilab's Tevatron about the Higgs boson. It raises questions about what scientists have found and what still remains to be found -- and what it all means. Berkeley Lab's Ian Hinchliffe invites you to send in questions about the Higgs. He'll answer a few of your questions in a follow-up video later this week. Hinchliffe is a theoretical physicist who heads Berkeley Lab's sizable contingent with the ATLAS experiment at CERN. •more » Post your questions in the comment box • E-mail your questions to askascientist@lbl.gov • Tweet to @BerkeleyLab • Or post on our facebook page: facebook/berkeleylab Update on July 5: Ian responds to several of your questions in this video: http://youtu.be/1BkpD1IS62g. Update on 7/04: Here's CERN's press release from earlier today on the latest preliminary results in the search for the long sought Higgs particle: http://press.web.cern.ch/press/PressReleases/Releases2012/PR17.12E.htm. And here's a Q&A on what the news tells us: http://cdsweb.cern.ch/journal/CERNBulletin/2012/28/News%20Articles/1459460?ln=en. CERN will present the new LHC data at a seminar July 4th at 9:00 in the morning Geneva time (3:00 in the morning Eastern Daylight Time, midnight on the Pacific Coast), where the ATLAS collaboration and their rivals in the CMS experiment will announce their results. Tevatron results were announced by Fermilab on Monday morning. For more background on the LHC's search for the Higgs boson, visit http://newscenter.lbl.gov/feature-stories/2012/06/28/higgs-2012/.« less

Got Questions About the Higgs Boson? Ask a Scientist

ScienceCinema

Hinchliffe, Ian

2017-12-12

Ask a scientist about the Higgs boson. There's a lot of buzz this week over new data from CERN's Large Hadron Collider (LHC) and the final data from Fermilab's Tevatron about the Higgs boson. It raises questions about what scientists have found and what still remains to be found -- and what it all means. Berkeley Lab's Ian Hinchliffe invites you to send in questions about the Higgs. He'll answer a few of your questions in a follow-up video later this week. Hinchliffe is a theoretical physicist who heads Berkeley Lab's sizable contingent with the ATLAS experiment at CERN. • Post your questions in the comment box • E-mail your questions to askascientist@lbl.gov • Tweet to @BerkeleyLab • Or post on our facebook page: facebook/berkeleylab Update on July 5: Ian responds to several of your questions in this video: http://youtu.be/1BkpD1IS62g. Update on 7/04: Here's CERN's press release from earlier today on the latest preliminary results in the search for the long sought Higgs particle: http://press.web.cern.ch/press/PressReleases/Releases2012/PR17.12E.htm. And here's a Q&A on what the news tells us: http://cdsweb.cern.ch/journal/CERNBulletin/2012/28/News%20Articles/1459460?ln=en. CERN will present the new LHC data at a seminar July 4th at 9:00 in the morning Geneva time (3:00 in the morning Eastern Daylight Time, midnight on the Pacific Coast), where the ATLAS collaboration and their rivals in the CMS experiment will announce their results. Tevatron results were announced by Fermilab on Monday morning. For more background on the LHC's search for the Higgs boson, visit http://newscenter.lbl.gov/feature-stories/2012/06/28/higgs-2012/.

Linking xylem water storage with anatomical parameters in five temperate tree species.

PubMed

Jupa, Radek; Plavcová, Lenka; Gloser, Vít; Jansen, Steven

2016-06-01

The release of water from storage compartments to the transpiration stream is an important functional mechanism that provides the buffering of sudden fluctuations in water potential. The ability of tissues to release water per change in water potential, referred to as hydraulic capacitance, is assumed to be associated with the anatomy of storage tissues. However, information about how specific anatomical parameters determine capacitance is limited. In this study, we measured sapwood capacitance (C) in terminal branches and roots of five temperate tree species (Fagus sylvatica L., Picea abies L., Quercus robur L., Robinia pseudoacacia L., Tilia cordata Mill.). Capacitance was calculated separately for water released mainly from capillary (CI; open vessels, tracheids, fibres, intercellular spaces and cracks) and elastic storage compartments (CII; living parenchyma cells), corresponding to two distinct phases of the moisture release curve. We found that C was generally higher in roots than branches, with CI being 3-11 times higher than CII Sapwood density and the ratio of dead to living xylem cells were most closely correlated with C In addition, the magnitude of CI was strongly correlated with fibre/tracheid lumen area, whereas CII was highly dependent on the thickness of axial parenchyma cell walls. Our results indicate that water released from capillary compartments predominates over water released from elastic storage in both branches and roots, suggesting the limited importance of parenchyma cells for water storage in juvenile xylem of temperate tree species. Contrary to intact organs, water released from open conduits in our small wood samples significantly increased CI at relatively high water potentials. Linking anatomical parameters with the hydraulic capacitance of a tissue contributes to a better understanding of water release mechanisms and their implications for plant hydraulics. © The Author 2016. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

Chemical durability and leaching mechanism of Ce0.5Eu0.5PO4 ceramics: Effects of temperature and pH values

NASA Astrophysics Data System (ADS)

Zhao, Xiaofeng; Teng, Yuancheng; Wu, Lang; Huang, Yi; Ma, Jiyan; Wang, Guolong

2015-11-01

Ce0.5Eu0.5PO4 ceramics with high relative density were prepared by hot-press (HPS) and pressureless (PLS) sintering. The effects of temperature and pH values on the chemical durability of the ceramics were investigated. The results show that an increase of acidity significantly accelerated the corrosion of the samples. In alkaline leachates, further release elements were prevented by the newborn surface precipitation. The leach rate (Rn) of HPS sample was similar to that of PLS specimen in deionized water, but higher Rn for PLS sample was found in pH = 11 solution. Moreover, apparent activation energy of the dissolution of Eu (40 ± 4 kJ mol-1) is much higher than that of Ce (20 ± 1 kJ mol-1), leading to the higher normalized elemental leach rate of Eu. Both the Eu and Ce elements have low leach rates (10-12-10-9 m d-1) after 42 days in all the leachates studied in this work.

Apparatus and method for measuring the Seebeck coefficient and resistivity of materials

NASA Technical Reports Server (NTRS)

Hadek, V. (Inventor)

1973-01-01

An apparatus for measuring the thermoelectric properties of materials under high pressure is described that includes a pair of force transmitting assemblies constructed of thermally and electrically conductive material positioned between the ram and anvil of a press. Each force transmitting assembly has a small diameter pressing portion for contacting a face of the sample so that the sample can be squeezed between them. Each assembly also includes a heat exchanger to maintain the sample face at a controlled temperature, and an electrical conductor to carry current generated by the sample. A sleeve of thermally and electrically insulative material closely surrounds the pressing portions of the two assemblies.

Defense.gov Special Report: Washington Navy Yard Shooting Review

Science.gov Websites

Actions After Navy Yard Shooting Six months after a disturbed federal contractor shot 12 fellow workers to Advocate General List of Actions Press Releases Statement by the President One Year After Shooting

Treatment Option Overview (Mycosis Fungoides and the Sezary Syndrome)

MedlinePlus

... Events Scientific Meetings & Lectures Conferences Advisory Board Meetings Social Media Events Cancer Currents Blog All Press Releases 2018 ... Events Scientific Meetings & Lectures Conferences Advisory Board Meetings Social Media Cancer Currents Blog About NCI NCI Overview History ...

Treatment Option Overview (Non-Small Cell Lung Cancer)

MedlinePlus

... Events Scientific Meetings & Lectures Conferences Advisory Board Meetings Social Media Events Cancer Currents Blog All Press Releases 2018 ... Events Scientific Meetings & Lectures Conferences Advisory Board Meetings Social Media Cancer Currents Blog About NCI NCI Overview History ...

DEC Home

Science.gov Websites

, improving, and protecting Alaska's natural resources and environment to enhance the health, safety, economic , Assessment and Restoration Environmental Health Drinking Water Food Safety & Sanitation Laboratory Services Pesticides Solid Waste State Veterinarian Public Notices * Regulations * Statutes Press Releases

ACHP | News | Expert Panel Report Submitted to Council

Science.gov Websites

executive summary of its report. The full report is scheduled to be presented to the ACHP for action at : Expert Panel Report Executive Summary Press Release Posted February 23, 2009 Return to Top

Leaks to the Press as Communication within and between Organizations.

ERIC Educational Resources Information Center

Kielbowicz, Richard B.

1980-01-01

Examines news leaks--the calculated release of information by anonymous officials--as a means by which the mass media have been annexed to perform some of the functions of organizational and interorganizational communication. (RL)

76 FR 76611 - Interference With a Crewmember via Laser

Federal Register 2010, 2011, 2012, 2013, 2014

2011-12-08

..., which is available to the public at: http://www.faa.gov/news/press_releases/news_story .cfm?newsId=12765... Technologies and Procedures, and General Aviation and Commercial Divisions of Flight Standards Service. It was...

Effect of reduced graphene oxide on the energy harvesting performance of P(VDF-TrFE)-BaTiO3 nanocomposite devices

NASA Astrophysics Data System (ADS)

Yaqoob, Usman; Chung, Gwiy-Sang

2017-09-01

This study investigates the effect of reduced graphene oxide (rGO) on the energy harvesting performance of poly(vinylidenefluoride-trifluoroethylene)-barium titanate (P(VDF-TrFE)-BTO) nanocomposite devices. Several piezoelectric nanogenerators with different rGO contents were prepared, among them PBR5-NG (rGO = 0.5%) exhibited maximum output performance. PBR5-NG showed a maximum open circuit voltage of 8.5 Vpk-pk and short circuit current of 2 μApk-pk at an applied force of 2 N. Moreover, PBR5-NG displayed an output power of 4.5 μW at 2 MΩ load resistance. To confirm device stability, the fabricated device was subjected to several pressing-releasing cycles. The device had excellent stability, even after 1000 pressing-releasing cycles. Together, our results indicate that our fabricated PBR5-NG is a promising energy source for future flexible electronics.

Dose-Dependent Lowering of Mutant Huntingtin Using Antisense Oligonucleotides in Huntington Disease Patients.

PubMed

van Roon-Mom, Willeke M C; Roos, Raymund A C; de Bot, Susanne T

2018-04-01

On December 11 of 2017, Ionis Pharmaceuticals published a press release announcing dose-dependent reductions of mutant huntingtin protein in their HTTRx Phase 1/2a study in Huntington disease (HD) patients. The results from this Ionis trial have gained much attention from the patient community and the oligonucleotide therapeutics field, since it is the first trial targeting the cause of HD, namely the mutant huntingtin protein, using antisense oligonucleotides (ASOs). The press release also states that the primary endpoints of the study (safety and tolerability) were met, but does not contain data. This news follows the approval of another therapeutic ASO nusinersen (trade name Spinraza) for a neurological disease, spinal muscular atrophy, by the U.S. Food and Drug Administration and European Medicines Agency, in 2016 and 2017, respectively. Combined, this offers hope for the development of the HTTRx therapy for HD patients.

The Challenge of Small Satellite Systems to the Space Security Environment

DTIC Science & Technology

2012-03-01

Space, 1945–1995, (New York: Dodd, Mead & Company, Inc. 1984), 142. 40 Moltz, The Politics of Space Security, 93. 41William E. Burrows , Deep Black...90 Stares, The Militarization of Space, 170. 91 Ibid. 92 Burrows , Deep Black, 279- 280. 30 to gather together in 1978 at the request...www.technologynewsroom.com/press_releases/company_releases.aspx?sto ry=522. Burrows , William E. Deep Black: Space Espionage and National Security

Strategies to Sustain and Enhance Performance in Stressful Environments

DTIC Science & Technology

1990-03-14

Pressure Switch in his left hand which controlled power to the vacuum source which was only active when the subject was pressing on the Page 6 positive... pressure switch . Internal LBNP chamber vacuum was calibrated with a Wallace & Tierman 1500 Hi-Performance Gauge (Model 61A-1D-0800, Wallace & Tierman...pressure release when the subject released the positive pressure switch without warning. Behavioral testing continued regardless of when LBNP was returned to

Media Coverage, Journal Press Releases and Editorials Associated with Randomized and Observational Studies in High-Impact Medical Journals: A Cohort Study.

PubMed

Wang, Michael T M; Bolland, Mark J; Gamble, Greg; Grey, Andrew

2015-01-01

Publication of clinical research findings in prominent journals influences health beliefs and medical practice, in part by engendering news coverage. Randomized controlled trials (RCTs) should be most influential in guiding clinical practice. We determined whether study design of clinical research published in high-impact journals influences media coverage. We compared the incidence and amount of media coverage of RCTs with that of observational studies published in the top 7 medical journals between 1 January 2013 and 31 March 2013. We specifically assessed media coverage of the most rigorous RCTs, those with >1000 participants that reported 'hard' outcomes. There was no difference between RCTs and observational studies in coverage by major newspapers or news agencies, or in total number of news stories generated (all P>0.63). Large RCTs reporting 'hard' outcomes did not generate more news coverage than small RCTs that reported surrogate outcomes and observational studies (all P>0.32). RCTs were more likely than observational studies to attract a journal editorial (70% vs 46%, P = 0.003), but less likely to be the subject of a journal press release (17% vs 50%, P<0.001). Large RCTs that reported 'hard' outcomes did not attract an editorial more frequently than other studies (61% vs 58%, P>0.99), nor were they more likely to be the subject of a journal press release (14% vs 38%, P = 0.14). The design of clinical studies whose results are published in high-impact medical journals is not associated with the likelihood or amount of ensuing news coverage.

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

Pahl, R. J.; Trott, W. M.; Snedigar, S.

A series of gas gun tests has been performed to examine contributions to energy release from micron-sized and nanometric aluminum powder added to sieved (212-300{mu}m) HMX. In the absence of added metal, 4-mm-thick, low-density (64-68% of theoretical maximum density) pressings of the sieved HMX respond to modest shock loading by developing distinctive reactive waves that exhibit both temporal and mesoscale spatial fluctuations. Parallel tests have been performed on samples containing 10% (by mass) aluminum in two particle sizes: 2-{mu}m and 123-nm mean particle diameter, respectively. The finely dispersed aluminum initially suppresses wave growth from HMX reactions; however, after a visiblemore » induction period, the added metal drives rapid increases in the transmitted wave particle velocity. Wave profile variations as a function of the aluminum particle diameter are discussed.« less

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

Castaneda, Jaime N.; Pahl, Robert J.; Snedigar, Shane

A series of gas gun tests has been performed to examine contributions to energy release from micron-sized and nanometric aluminum powder added to sieved (212-300{micro}m) HMX. In the absence of added metal, 4-mm-thick, low-density (64-68% of theoretical maximum density) pressings of the sieved HMX respond to modest shock loading by developing distinctive reactive waves that exhibit both temporal and mesoscale spatial fluctuations. Parallel tests have been performed on samples containing 10% (by mass) aluminum in two particle sizes: 2-{micro}m and 123-nm mean particle diameter, respectively. The finely dispersed aluminum initially suppresses wave growth from HMX reactions; however, after a visiblemore » induction period, the added metal drives rapid increases in the transmitted wave particle velocity. Wave profile variations as a function of the aluminum particle diameter are discussed.« less

Behavior of Aluminum in Solid Propellant Combustion

DTIC Science & Technology

1982-06-01

dry pressing 30% Valley Met H- 30 aluminum, 7% carnauba wax , and 63% 100 P AP. One sample was prepared using as received H-30, a second sample used pre...34propellant" formulations. The formulations included dry pressed AP/AI, and AP/AI/ Wax samples. Sandwiches were also prepared consisting of an aluminum...Binder flame instead of by aluminum exposure during accumulate break-up. Combustion of AP/AI/ Wax Samples A set of propellant samples were prepared by

First Images From Chandra X-Ray Observatory to be Released

NASA Astrophysics Data System (ADS)

1999-08-01

The first images from the world's most powerful X-ray telescope, NASA's Chandra X-ray Observatory, will be unveiled at a media briefing at 1 p.m. EDT, Thursday, Aug. 26. The briefing will be held in the James E. Webb Auditorium at NASA Headquarters, 300 E St. SW, Washington, DC. The images include the spectacular remnants of a supernova and other astronomical objects. Panelists will be: - Dr. Edward Weiler, Associate Administrator for Space Science, NASA Headquarters, Washington, DC; - Dr. Harvey Tananbaum, Director of the Smithsonian Astrophysical Observatory's Chandra X-ray Center, Cambridge, MA; - Dr. Martin Weisskopf, NASA's Chandra Project Scientist, NASA's Marshall Space Flight Center, Huntsville, AL; and - Dr. Robert Kirshner, astrophysicist, Harvard University, Cambridge, MA. The event will be carried live on NASA Television with question-and-answer capability for reporters covering the briefing from participating NASA centers and from the Chandra Operations Control Center in Cambridge. NASA Television is available on transponder 9C, satellite GE-2 at 85 degrees West longitude, vertical polarization, frequency 3880 MHz, audio of 6.8 MHz. Chandra has been undergoing activation and checkout since it was placed into orbit during Space Shuttle mission STS-93 in July. Chandra will examine exploding stars, black holes, colliding galaxies and other high-energy cosmic phenomena to help scientists gain a better understanding of the structure and evolution of the universe. Chandra images and additional information will be available following the briefing on the Internet at: http://chandra.nasa.gov and http://chandra.harvard.edu NASA press releases and other information are available automatically by sending an Internet electronic mail message to domo@hq.nasa.gov. In the body of the message (not the subject line) users should type the words "subscribe press-release" (no quotes). The system will reply with a confirmation via E-mail of each subscription. A second automatic message will include additional information on the service. NASA releases also are available via CompuServe using the command GO NASA. To unsubscribe from this mailing list, address an E-mail message to domo@hq.nasa.gov, leave the subject blank, and type only "unsubscribe press-release" (no quotes) in the body of the message.

Determination of VOC emission rates and compositions for offset printing.

PubMed

Wadden, R A; Scheff, P A; Franke, J E; Conroy, L M; Keil, C B

1995-07-01

The release rates of volatile organic compounds (VOC) as fugitive emissions from offset printing are difficult to quantify, and the compositions are usually not known. Tests were conducted at three offset printing shops that varied in size and by process. In each case, the building shell served as the test "enclosure," and air flow and concentration measurements were made at each air entry and exit point. Emission rates and VOC composition were determined during production for (1) a small shop containing three sheetfed presses and two spirit duplicators (36,700 sheets, 47,240 envelopes and letterheads), (2) a medium-size industrial in-house shop with two webfed and three sheetfed presses, and one spirit duplicator (315,130 total sheets), and (3) one print room of a large commercial concern containing three webfed, heatset operations (1.16 x 10(6) ft) served by catalytic air pollution control devices. Each test consisted of 12 one-hour periods over two days. Air samples were collected simultaneously during each period at 7-14 specified locations within each space. The samples were analyzed by gas chromatography (GC) for total VOC and for 13-19 individual organics. Samples of solvents used at each shop were also analyzed by GC. Average VOC emission rates were 4.7-6.1 kg/day for the small sheetfed printing shop, 0.4-0.9 kg/day for the industrial shop, and 79-82 kg/day for the commercial print room. Emission compositions were similar and included benzene, toluene, xylenes, ethylbenzene, and hexane. Comparison of the emission rates with mass balance estimates based on solvent usage and composition were quite consistent.(ABSTRACT TRUNCATED AT 250 WORDS)

Application of electro acoustics for dewatering pharmaceutical sludge

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

Golla, P.S.; Johnson, H.W.

1992-02-01

Application of electro acoustic principles for dewatering has been developed by Battelle Institute. The Department of Energy, Battelle Institute, and Ashbrook-Simon-Hartley, have jointly developed an Electro Acoustic Dewatering press (EAD press). The EAD press applies a combination of mechanical pressure, electrical current and ultrasonics. This press is utilized after conventional dewatering devices and can remove up to 50% water from filtered sludge cake at a fraction of the cost incurred in existing thermal drying devices. The dominant mechanism of sludge dewatering by EAD press is electro-osmosis due to the application of a direct current field. Electro-osmosis is caused by anmore » electrical double layer of oppositely charged ions formed at the solid liquid interface, which is characterized by zeta potential. The ultrasonic fields help electro-osmosis by consolidation of the filter cake and by release of inaccessible liquid. The EAD press has been tested successfully on a variety of materials including apple pomace, corn gluten, sewage sludge, and coal fines. A three week long full scale trial was conducted successfully at a pharmaceutical industry to determine the application of this technology for dewatering waste activated sludge.« less

Nanosilver coated orthodontic brackets: in vivo antibacterial properties and ion release.

PubMed

Metin-Gürsoy, Gamze; Taner, Lale; Akca, Gülçin

2017-02-01

Silver nanoparticles are currently utilized in the fields of dentistry. The aim of this study was to evaluate the antibacterial properties and ion release of nanosilver coated orthodontic brackets compared to conventional brackets. Nanosilver coating process was applied to standard orthodontic brackets placed on the mandibular incisors of Wistar Albino rats in the study group and conventional brackets in the control group. Dental plaque, mucosal vestibular smears, saliva, and blood samples were collected from rats at various days. The amounts of nanosilver ions in blood and saliva were measured and microbiological evaluation was made for Streptococcus mutans. For testing cariogenicity, all rats were sacrificed at the end of 75 days under anaesthesia. Teeth were stained using a caries indicator, then the caries ratio was assessed. Nanosilver coated orthodontic bracket favoured the inhibition of S.mutans on Day 30 and reduction of caries on the smooth surfaces. The nanosilver amounts in the saliva and serum samples were significantly higher in the study group on Day 7. It is suggested that nanosilver coated orthodontic brackets, as an antibacterial agent without patient compliance, could be helpful for the prevention of white spot lesions during fixed orthodontic treatment. © The Author 2016. Published by Oxford University Press on behalf of the European Orthodontic Society. All rights reserved. For permissions, please email: journals.permissions@oup.com.

Treatment Options for Recurrent Mycosis Fungoides and the Sezary Syndrome

MedlinePlus

... Events Scientific Meetings & Lectures Conferences Advisory Board Meetings Social Media Events Cancer Currents Blog All Press Releases 2018 ... Events Scientific Meetings & Lectures Conferences Advisory Board Meetings Social Media Cancer Currents Blog About NCI NCI Overview History ...

Report Nation March 2015 Press Release

Cancer.gov

For the first time, researchers have used national data to determine the incidence of the four major molecular subtypes of breast cancer by age, race/ethnicity, poverty level, and several other factors. The report showed continuing declines in cancer dea

THE NATIONAL RESEARCH COUNCIL REPORT ON MONITORED NATURAL ATTENUATION

EPA Science Inventory

The National Research Council recently released a report titled Natural Attenuation for Groundwater Remediation, available from the National Academy Press(http://www.nap.edu>). The report made a number of observations and recommedations, including the following. -Natural attenu...

NOAA Launches Deepwater Horizon Library | NOAA Gulf Spill Restoration

Science.gov Websites

Restoration Area NOAA has unveiled a web archive of the maps, wildlife reports, scientific reports and other : Press releases related to the spill More than 100 wildlife reports, including reports related to sea

Diverticula, Diverticulosis, Diverticulitis: What's the Difference?

MedlinePlus

... Publications Library En Español Digestive Health Matters Medical Definitions Links Books of Interest Video Corner Clinical Corner Survey Corner News Medical and Treatment News Events Press Releases Commentary For Media Research Research Awards Research Grants Funding Research Clinical Trials & ...

Tough Ceramic Mimics Mother of Pearl

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

Ritchie, Robert

2008-12-05

Berkeley Lab scientists have mimicked the structure of mother of pearl to create what may well be the toughest ceramic ever produced. http://newscenter.lbl.gov/press-releases/2008/12/05/scientists-create-tough-ceramic-that-mimics-mother-of-pearl/

Phase III Early Restoration Public Meeting | NOAA Gulf Spill Restoration

Science.gov Websites

Louisiana Mississippi Texas Region-wide Open Ocean Data Media & News Publications Press Releases Story restoration plans. Open House: 6:00pm Public Meeting: 6:30pm Location: University of Southern Mississippi, FEC

Early Restoration Public Meeting, Mississippi | NOAA Gulf Spill Restoration

Science.gov Websites

Louisiana Mississippi Texas Region-wide Open Ocean Data Media & News Publications Press Releases Story nearshore habitats, oysters, and human uses (on water recreation). An open house will be held at 6:00 p.m

Early Restoration Public Meeting, Florida | NOAA Gulf Spill Restoration

Science.gov Websites

Louisiana Mississippi Texas Region-wide Open Ocean Data Media & News Publications Press Releases Story nearshore habitats, oysters, and human uses (on water recreation). An open house will be held at 6:00 p.m

Tough Ceramic Mimics Mother of Pearl

ScienceCinema

Ritchie, Robert

2017-12-12

Berkeley Lab scientists have mimicked the structure of mother of pearl to create what may well be the toughest ceramic ever produced. http://newscenter.lbl.gov/press-releases/2008/12/05/scientists-create-tough-ceramic-that-mimics-mother-of-pearl/

Gas loading apparatus for the Paris-Edinburgh press

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

Bocian, A.; Kamenev, K. V.; Bull, C. L.

2010-09-15

We describe the design and operation of an apparatus for loading gases into the sample volume of the Paris-Edinburgh press at room temperature and high pressure. The system can be used for studies of samples loaded as pure or mixed gases as well as for loading gases as pressure-transmitting media in neutron-scattering experiments. The apparatus consists of a high-pressure vessel and an anvil holder with a clamp mechanism. The vessel, designed to operate at gas pressures of up to 150 MPa, is used for applying the load onto the anvils located inside the clamp. This initial load is sufficient formore » sealing the pressurized gas inside the sample containing gasket. The clamp containing the anvils and the sample is then transferred into the Paris-Edinburgh press by which further load can be applied to the sample. The clamp has apertures for scattered neutron beams and remains in the press for the duration of the experiment. The performance of the gas loading system is illustrated with the results of neutron-diffraction experiments on compressed nitrogen.« less

Human Space Flight Plans Committee Report

NASA Image and Video Library

2009-10-21

NASA Public Affairs Officer Doc Mirelson, left, and Chairman of the U.S. Human Space Flight Plans Committee Norman Augustine, right, listen to reporters questions during a press conference where the committee released it's report on Thursday, Oct., 22, 2009 at the National Press Club in Washington. The Obama Administration tasked the committee to do an independent review of planned U.S. human space flight activities with the goal of ensuring that the nation is on a vigorous and sustainable path to achieving its boldest aspirations in space. Photo Credit: (NASA/Bill Ingalls)

Biodegradable implants from poly-(alpha-hydroxy acid) polymers for isoniazid delivery.

PubMed

Hurley, L; Andersen, B R

1999-11-01

In vitro and in vivo study of an isoniazid (INH) drug delivery system. To develop a system for the treatment of tuberculosis using a subcutaneous polymer implant with a large drug load released slowly over a long period. INH delivery by biodegradable poly-(alpha-hydroxy acid) polymers was evaluated using ground polymer and compression molded implants. Rate of drug release and structural stability of the implant in an aqueous environment were measured, as were in vivo evaluations of the duration of measurable levels of INH in serum and urine. Factors that influenced the suitability of an implant in an in vitro system included polymer molecular weight and crystallinity, polymer and drug particle size, drug loading dose, and press temperature and pressure. The implant characteristics that most closely approached optimal conditions include a polymer of 100% L-lactide with low intrinsic viscosity, polymer particle size <75 micron, and INH particle = 126-180 micron, INH loading dose not to exceed 46%, and press conditions of 70 degrees C and 345000 kPa. Studies of subcutaneous implants in rabbits and baboons show that INH is released from the implant for 15 to 26 weeks. An INH-containing polymer was developed that was structurally stable in an aqueous environment and that released INH over a period of at least 15 weeks. Studies with infected animals will be necessary to determine the dose required for prophylaxis and treatment of active disease.

Transient recovery dynamics of a predator-prey system under press and pulse disturbances.

PubMed

Karakoç, Canan; Singer, Alexander; Johst, Karin; Harms, Hauke; Chatzinotas, Antonis

2017-04-04

Species recovery after disturbances depends on the strength and duration of disturbance, on the species traits and on the biotic interactions with other species. In order to understand these complex relationships, it is essential to understand mechanistically the transient dynamics of interacting species during and after disturbances. We combined microcosm experiments with simulation modelling and studied the transient recovery dynamics of a simple microbial food web under pulse and press disturbances and under different predator couplings to an alternative resource. Our results reveal that although the disturbances affected predator and prey populations by the same mortality, predator populations suffered for a longer time. The resulting diminished predation stress caused a temporary phase of high prey population sizes (i.e. prey release) during and even after disturbances. Increasing duration and strength of disturbances significantly slowed down the recovery time of the predator prolonging the phase of prey release. However, the additional coupling of the predator to an alternative resource allowed the predator to recover faster after the disturbances thus shortening the phase of prey release. Our findings are not limited to the studied system and can be used to understand the dynamic response and recovery potential of many natural predator-prey or host-pathogen systems. They can be applied, for instance, in epidemiological and conservational contexts to regulate prey release or to avoid extinction risk of the top trophic levels under different types of disturbances.

SOLID-STATE SYNTHESIS AND SOME PROPERTIES OF MAGNESIUM-DOPED COPPER ALUMINUM OXIDES

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

Liu, Chang; Ren, Fei; Wang, Hsin

2010-01-01

Copper aluminum oxide (CuAlO2) with delafossite structure is a promising candidate for high temperature thermoelectric applications because of its modest band gap, high stability and low cost. We investigate magnesium doping on the aluminum site as a means of producing higher electrical conductivity and optimized Seebeck coefficient. Powder samples were synthesized using solid-state reaction and bulk samples were prepared using both cold-pressing and hot-pressing techniques. Composition analysis, microstructural examination and transport property measurements were performed, and the results suggest that while hot-pressing can achieve high density samples, secondary phases tend to form and lower the performance of the materials.

AUPress: A Comparison of an Open Access University Press with Traditional Presses

ERIC Educational Resources Information Center

McGreal, Rory; Chen, Nian-Shing

2011-01-01

This study is a comparison of AUPress with three other traditional (non-open access) Canadian university presses. The analysis is based on the rankings that are correlated with book sales on Amazon.com and Amazon.ca. Statistical methods include the sampling of the sales ranking of randomly selected books from each press. The results of one-way…

A Key Telegram and a Key Press Release on the Recognition of the State of Israel

ERIC Educational Resources Information Center

Byers, CeCe; Alexander, Mary

1978-01-01

Reviews the course of events leading to the founding of Israel in 1947. Presents primary source materials, activities, and discussion questions to help students analyze reasons for the Arab-Israeli conflict. (Author/DB)

76 FR 72756 - Finding That the Islamic Republic of Iran Is a Jurisdiction of Primary Money Laundering Concern

Federal Register 2010, 2011, 2012, 2013, 2014

2011-11-25

... Use Roadside Bombs,'' The Sunday Times, March 21, 2010. \\27\\ See ``Captured Taliban Commander: `I.../press-releases/Pages/hp325.aspx ). \\84\\ ``German Report Details Smuggling of Nuclear Bomb, Missile...

Annual Report to the Nation, 1975-2014

Cancer.gov

A press release from the American Cancer Society and NCI about the Annual Report to the Nation on the Status of Cancer, 1975-2014, reports that overall cancer death rates continue to decline, however, death rates for some cancers increased or stabilized.

REQUEST A SPEAKER

Science.gov Websites

RESPONSIBILITY CENTCOM COALITION MEDIA SOCIAL MEDIA NEWS ARTICLES PRESS RELEASES IMAGERY VIDEOS TRANSCRIPTS VISITORS AND PERSONNEL FAMILY CENTER FAMILY READINESS CENTCOM WEBMAIL SOCIAL MEDIA SECURITY ACCOUNTABILITY CENTCOM Coalition Operations And Exercises Operation Inherent Resolve Resolute Support Media Social Media

78 FR 25236 - Approval and Promulgation of Implementation Plans; New York; Infrastructure SIP for the 1997 8...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-04-30

... enable the Commissioner to designate air pollution episodes which trigger the action plans. Pursuant to..., posts warnings on the above-referenced Web site and issues press releases to local media outlets if...

[The Roentgen's discovery -first press releases, research articles and textbooks in Kraków].

PubMed

Urbanik, Monika

2013-01-01

The author presents Kraków's publications from the pioneering years of radiology. She also emphasises the great role of the publications in the development of this field in Kraków's medical environment

Florida Public Scoping Meeting | NOAA Gulf Spill Restoration

Science.gov Websites

Louisiana Mississippi Texas Region-wide Open Ocean Data Media & News Publications Press Releases Story open at 6:30 p.m., and the meeting will begin at 7:30 p.m. Bayview Community Center 2001 Lloyd Street

Early Restoration Public Meeting, Louisiana | NOAA Gulf Spill Restoration

Science.gov Websites

Louisiana Mississippi Texas Region-wide Open Ocean Data Media & News Publications Press Releases Story habitats, oysters, and human uses (on water recreation). An open house will be held at 5:30 p.m., with the

Effect of Ga and P dopants on the thermoelectric properties of n-type SiGe

NASA Technical Reports Server (NTRS)

Draper, S. L.; Vandersande, J. W.; Wood, C.; Masters, R.; Raag, V.

1989-01-01

The purpose of this study was to hot-press improved n-type Si80Ge20/GaP samples directly (without any heat treatment) and to confirm that a Ga/P ratio less than one increases the solubility of P and, hence, improves the power factor and Z. One of the three samples (Ga/P = 0.43) had an improvement in Z of about 20 percent between 400 and 1000 C over that for standard SiGe. This demonstrates that improved samples can be pressed directly and that a Ga/P ratio less than one is necessary. The other two samples (Ga/P = 0.33 and 0.50) had Z's equal to or less than that of standard SiGe but had a lower hot-pressing temperature than the improved sample.

A statistical comparison of two carbon fiber/epoxy fabrication techniques

NASA Technical Reports Server (NTRS)

Hodge, A. J.

1991-01-01

A statistical comparison of the compression strengths of specimens that were fabricated by either a platen press or an autoclave were performed on IM6/3501-6 carbon/epoxy composites of 16-ply (0,+45,90,-45)(sub S2) lay-up configuration. The samples were cured with the same parameters and processing materials. It was found that the autoclaved panels were thicker than the platen press cured samples. Two hundred samples of each type of cure process were compression tested. The autoclaved samples had an average strength of 450 MPa (65.5 ksi), while the press cured samples had an average strength of 370 MPa (54.0 ksi). A Weibull analysis of the data showed that there is only a 30 pct. probability that the two types of cure systems yield specimens that can be considered from the same family.

Design, development, and optimization of polymeric based-colonic drug delivery system of naproxen.

PubMed

Sharma, Pooja; Chawla, Anuj; Pawar, Pravin

2013-01-01

The aim of present investigation deals with the development of time-dependent and pH sensitive press-coated tablets for colon specific drug delivery of naproxen. The core tablets were prepared by wet granulation method then press coated with hydroxypropyl cellulose (HPC) or Eudragit RSPO : RLPO mixture and further coated with Eudragit S-100 by dip immerse method. The in vitro drug release study was conducted in different dissolution media such as pH 1.2, 6.8, and 7.4 with or without rat caecal content to simulate GIT conditions. Surface morphology and cross-sectional view of the tablets were visualized by scanning electron microscopy (SEM). All prepared batches were in compliance with the pharmacopoeial standards. The tablets which are compression coated with HPC followed by Eudragit S-100 coated showed highest in vitro drug release of 98.10% in presence of rat caecal content. The SEM of tablets suggested that the number of pores got increased in pH 7.4 medium followed by dissolution of coating layer. The tablets coat erosion study suggested that the lag time depends upon the coating concentrations of polymers. A time-dependent hydrophilic polymer and pH sensitive polymer based press-coated tablets of naproxen were promising delivery for colon targeting.

Investigating critical effects of variegated lubricants, glidants and hydrophilic additives on lag time of press coated ethylcellulose tablets.

PubMed

Patadia, Riddhish; Vora, Chintan; Mittal, Karan; Mashru, Rajashree

2016-01-01

The research envisaged focuses on vital impacts of variegated lubricants, glidants and hydrophilic additives on lag time of press coated ethylcellulose (EC) tablets using prednisone as a model drug. Several lubricants and glidants such as magnesium stearate, colloidal SiO2, sodium stearyl fumarate, talc, stearic acid, polyethylene glycol (6000) and glyceryl behenate were investigated to understand their effects on lag time by changing their concentrations in outer coat. Further, the effects of hydrophilic additives on lag time were examined for hydroxypropylmethylcellulose (E5), hydroxypropylcellulose (EF and SSL), povidone (K30), copovidone, polyethylene glycol (4000), lactose and mannitol. In vitro drug release testing revealed that each selected lubricant/glidant, if present even at concentration of 0.25% w/w, significantly reduced the lag time of press coated tablets. Specifically, colloidal SiO2 and/or magnesium stearate were detrimental while other lubricants/glidants were relatively less injurious. Among hydrophilic additives, freely water soluble fillers had utmost influence in lag time, whereas, comparatively less impact was observed with polymeric binders. Concisely, glidant and lubricant should be chosen to have minimal impact on lag time and further judicious selection of hydrophilic additives should be exercised for modulating lag time of pulsatile release formulations.

Design, Development, and Optimization of Polymeric Based-Colonic Drug Delivery System of Naproxen

PubMed Central

Sharma, Pooja; Chawla, Anuj; Pawar, Pravin

2013-01-01

The aim of present investigation deals with the development of time-dependent and pH sensitive press-coated tablets for colon specific drug delivery of naproxen. The core tablets were prepared by wet granulation method then press coated with hydroxypropyl cellulose (HPC) or Eudragit RSPO : RLPO mixture and further coated with Eudragit S-100 by dip immerse method. The in vitro drug release study was conducted in different dissolution media such as pH 1.2, 6.8, and 7.4 with or without rat caecal content to simulate GIT conditions. Surface morphology and cross-sectional view of the tablets were visualized by scanning electron microscopy (SEM). All prepared batches were in compliance with the pharmacopoeial standards. The tablets which are compression coated with HPC followed by Eudragit S-100 coated showed highest in vitro drug release of 98.10% in presence of rat caecal content. The SEM of tablets suggested that the number of pores got increased in pH 7.4 medium followed by dissolution of coating layer. The tablets coat erosion study suggested that the lag time depends upon the coating concentrations of polymers. A time-dependent hydrophilic polymer and pH sensitive polymer based press-coated tablets of naproxen were promising delivery for colon targeting. PMID:24198725

Design of a potential colonic drug delivery system of mesalamine.

PubMed

Gohel, Mukesh C; Parikh, Rajesh K; Nagori, Stavan A; Dabhi, Mahesh R

2008-01-01

The aim of the present investigation was to develop a site-specific colonic drug delivery system, built on the principles of the combination of pH and time sensitivity. Press-coated mesalamine tablets with a coat of HPMC E-15 were over-coated with Eudragit S100. The in vitro drug release study was conducted using sequential dissolution technique at pH 1.2, 6.0, 7.2 and 6.4 mimicking different regions of gastrointestinal tract. The optimized batch (F2) showed less than 6% of drug release before reaching colonic pH 6.4 and complete drug release was obtained thereafter within 2 hr. A short-term dissolution stability study demonstrated statistical insignificant difference in drug release.

Drill Press Work Sample.

ERIC Educational Resources Information Center

Shawsheen Valley Regional Vocational-Technical High School, Billerica, MA.

This manual contains a work sample intended to assess a handicapped student's interest in and to screen interested students into a training program in basic machine shop I. (The course is based on the entry level of the drill press operator.) Section 1 describes the assessment, correlates the work performed and worker traits required for…

Scholarly literature and the press: scientific impact and social perception of physics computing

NASA Astrophysics Data System (ADS)

Pia, M. G.; Basaglia, T.; Bell, Z. W.; Dressendorfer, P. V.

2014-06-01

The broad coverage of the search for the Higgs boson in the mainstream media is a relative novelty for high energy physics (HEP) research, whose achievements have traditionally been limited to scholarly literature. This paper illustrates the results of a scientometric analysis of HEP computing in scientific literature, institutional media and the press, and a comparative overview of similar metrics concerning representative particle physics measurements. The picture emerging from these scientometric data documents the relationship between the scientific impact and the social perception of HEP physics research versus that of HEP computing. The results of this analysis suggest that improved communication of the scientific and social role of HEP computing via press releases from the major HEP laboratories would be beneficial to the high energy physics community.

78 FR 5832 - Call for Nominations for Resource Advisory Councils

Federal Register 2010, 2011, 2012, 2013, 2014

2013-01-28

... Land Management, Correspondence, International, and Advisory Committee Office, 1849 C Street NW., MS.... The BLM will evaluate nominees based on their education, training, experience, and knowledge of the... nominee's qualifications. Simultaneous with this notice, BLM state offices will issue press releases...

11 CFR 5.4 - Availability of records.

Code of Federal Regulations, 2010 CFR

2010-01-01

...: (1) Reports of receipts and expenditures, designations of campaign depositories, statements of... cases and General Counsel's Reports and non-exempt 2 U.S.C. 437g investigatory materials shall be placed... public distribution, e.g. campaign guidelines, FEC Record, press releases, speeches, notices to...

The Nicaragua Canal:Security And Economic Boom Or Bust

DTIC Science & Technology

2014-04-01

Advisor: Dr. Kathleen Mahoney -Norris Maxwell Air Force Base, Alabama April 2014 DISTRIBUTION A. Approved for public release: Distribution...Commerce and the Future of the Panama Canal. Cambridge, MD: Cornell Maritime Press, Inc., 1975 . Panama Canal Authority. “History.” https

Major Long-Term Benefits of Intensive Therapy for Type 1 Diabetes

MedlinePlus

... on Facebook ( American Diabetes Association ), Twitter ( @AmDiabetesAssn ) and Instagram ( @AmDiabetesAssn ) In this section Newsroom Press Releases 2018 ... diabetes. » « Find Us On Facebook Twitter Pinterest Youtube Instagram Diabetes Stops Here Blog Online Community Site Menu ...

Lowy, Schiller win 2018 Szent-Györgyi Prize

Cancer.gov

A press release announcing that NCI scientists Douglas R. Lowy and John T. Schiller will receive the 2018 Szent-Györgyi Prize for Progress in Cancer Research from the National Foundation for Cancer Research for their work on HPV vaccines.

Swimming with the Sharks: A Lesson in Media Survival.

ERIC Educational Resources Information Center

Davis, Les

1996-01-01

Offers guidelines for dealing with the media, which include creating a media plan and understanding the news media. Describes the three most frequently encountered media situations--the face-to-face interview, the unexpected encounter, and the press conference/news release. (LMI)

Apollo 7 - Press Kit

NASA Technical Reports Server (NTRS)

1968-01-01

Contents include the following: General release. Mission objectives. Mission description. Flight plan. Alternate missions. Experiments. Abort model. Spacecraft structure system. The Saturn 1B launch vehicle. Flight sequence. Launch preparations. Mission control center-Houston. Manned space flight network. Photographic equipment. Apollo 7 crew. Apollo 7 test program.

The Dao of human cloning: utopian/dystopian hype in the British press and popular films.

PubMed

Jensen, Eric

2008-04-01

The issue of human cloning has featured in the national science policy agendas in both the United States and the United Kingdom since the announcement in 1997 of Dolly the cloned sheep's birth in Scotland. Such news stories suggesting the imminent cloning of humans have inspired fictional entertainment media over the years, including numerous popular films. Study 1 examines elite British press coverage of human cloning from 1997 to 2004 (n = 857). Study 2 focuses on five human cloning films released between 1978 and 2003. Two sharply divergent discourses emerged from these data. Unqualified hope and habitually hyped claims of future cures permeated the press discourse. In contrast, the films constructed human cloning as an inherently dangerous technology often wielded by hubristic scientists in the tradition of Frankenstein. Both the predominately positive hype in the broadsheet press and the largely negative hype in the films indicate an impoverished and "thin" public debate on the issue of human cloning.

Media Coverage, Journal Press Releases and Editorials Associated with Randomized and Observational Studies in High-Impact Medical Journals: A Cohort Study

PubMed Central

Wang, Michael T. M.; Bolland, Mark J.; Gamble, Greg; Grey, Andrew

2015-01-01

Background Publication of clinical research findings in prominent journals influences health beliefs and medical practice, in part by engendering news coverage. Randomized controlled trials (RCTs) should be most influential in guiding clinical practice. We determined whether study design of clinical research published in high-impact journals influences media coverage. Methods and Findings We compared the incidence and amount of media coverage of RCTs with that of observational studies published in the top 7 medical journals between 1 January 2013 and 31 March 2013. We specifically assessed media coverage of the most rigorous RCTs, those with >1000 participants that reported ‘hard’ outcomes. There was no difference between RCTs and observational studies in coverage by major newspapers or news agencies, or in total number of news stories generated (all P>0.63). Large RCTs reporting ‘hard’ outcomes did not generate more news coverage than small RCTs that reported surrogate outcomes and observational studies (all P>0.32). RCTs were more likely than observational studies to attract a journal editorial (70% vs 46%, P = 0.003), but less likely to be the subject of a journal press release (17% vs 50%, P<0.001). Large RCTs that reported ‘hard’ outcomes did not attract an editorial more frequently than other studies (61% vs 58%, P>0.99), nor were they more likely to be the subject of a journal press release (14% vs 38%, P = 0.14). Conclusions The design of clinical studies whose results are published in high-impact medical journals is not associated with the likelihood or amount of ensuing news coverage. PMID:26701758

U-2 with fictitious NASA markings to support CIA cover story for pilot Gary Powers, shot down over S

NASA Technical Reports Server (NTRS)

1960-01-01

After Francis Gary Powers was shot down over the Soviet Union during a CIA spy flight on 1 May 1960, NASA issued a press release with a cover story about a U-2 conducting weather research that may have strayed off course after the pilot 'reported difficulties with his oxygen equipment.' To bolster the cover-up, a U-2 was quickly painted in NASA markings, with a fictitious NASA serial number, and put on display for the news media at the NASA Flight Research Center at Edwards Air Force Base on 6 May 1960. The next day, Soviet Premier Nikita Kruschev exposed the cover-up by revealing that the pilot had been captured, and espionage equipment had been recovered from the wreckage. 7 May 1956 - NACA Director Dr. Hugh L. Dryden issues a press release stating that U-2 aircraft are conducting weather research for NACA with Air Force support from Watertown, Nevada. 22 May 1956 - A second press release is issued with cover story for U-2 aircraft operating overseas. 1 May 1960 - Francis Gary Powers is shot down near Sverdlovsk. 6 May 1960 - U-2 with fictitious NASA serial number and NASA markings is shown to news media to bolster cover story of NASA weather research flights with U-2. 7 May 1960 - Soviet Premier Kruschev announces capture and confession of Powers. 1960 - Dr. Hugh L. Dryden tells senate committee that some 200 U-2 flights carrying NASA weather instrumentation have taken place since 1956. 2 April 1971 - NASA receives two U-2C aircraft for high-altitude research.

Graphite sample preparation for AMS in a high pressure and temperature press

USGS Publications Warehouse

Rubin, M.; Mysen, B.O.; Polach, H.

1984-01-01

A high pressure-high temperature press is used to make target material for accelerator mass spectrometry. Graphite was produced from typical 14C samples including oxalic acid and carbonates. Beam strength of 12C was generally adequate, but random radioactive contamination by 14C made age measurements impractical. ?? 1984.

Graphite sample preparation for AMS in a high pressure and temperature press

USGS Publications Warehouse

Rubin, Meyer; Mysen, Bjorn O.; Polach, Henry

1984-01-01

A high pressure-temperature press is used to make target material for accelerator mass spectrometry. Graphite was produced from typical **1**4C samples including oxalic acid and carbonates. Beam strength of **1**2C was generally adequate, but random radioactive contamination by **1**4C made age measurements impractical.

Contact Quotient of Female Singers Singing Four Pitches for Five Vowels in Normal and Pressed Phonations.

PubMed

Ong Tan, Kendrich Graemer

2017-09-01

The present study aimed to investigate the contact quotient (CQ) values of breathy, normal, and pressed phonation types in four different sections of the female singing range. Electroglottography (EGG) and acoustic signals were recorded from 10 female singing teachers. Five vowels were sung for 1-3 seconds each, in three phonation types-normal, breathy, and pressed, in four pitches representing registration change points in the singing range. CQ values were automatically generated from the EGG signal using VoceVista at 35% threshold level. Sound pressure levels were checked in Praat. Unianova and correlations were performed using an SPSS program. CQ values of female participants in the study yielded ranges of 0.25-0.62 in normal and 0.34-0.73 in pressed. Normal and pressed CQ differed significantly from each other at P < 0.00. Breathy samples were not viable for analysis. A concentration of CQ values from 0.5 to 0.6 of both pressed low and pressed break samples was noted, but CQ values across the pitch range showed no significant trend. Normal and pressed phonation CQ values beyond the speaking pitch varied among the subjects. Pressed phonation CQ values were mostly higher, but the values were only relative to the corresponding normal phonation on the same pitch. Other measurements may be more suitable for measuring vocal fold impact stress in higher frequencies, thus, distinguishing normal from pressed singing. Copyright © 2017 The Voice Foundation. Published by Elsevier Inc. All rights reserved.

Relaxation spectra of binary blends: Extension of the Doi-Edwards theory

NASA Astrophysics Data System (ADS)

Tchesnokov, M. A.; Molenaar, J.; Slot, J. J. M.; Stepanyan, R.

2007-10-01

A molecular model is presented which allows the calculation of the stress relaxation function G for binary blends consisting of two monodisperse samples with arbitrary molecular weights. It extends the Doi-Edwards reptation theory (Doi M. and Edwards S. F., The Theory of Polymer Dynamics (Oxford Press, New York) 1986) to highly polydisperse melts by including constraint release (CR) and thermal fluctuations (CLF), yet making use of the same input parameters. The model reveals an explicit nonlinear dependence of CR frequency in the blend on the blend's molecular weight distribution (MWD). It provides an alternative way to quantify polydisperse systems compared to the widely used "double-reptation" theories. The results of the present model are in a good agreement with the experimental data given in Rubinstein M. and Colby R. H., J. Chem. Phys., 89 (1988) 5291.

BacDive--The Bacterial Diversity Metadatabase in 2016.

PubMed

Söhngen, Carola; Podstawka, Adam; Bunk, Boyke; Gleim, Dorothea; Vetcininova, Anna; Reimer, Lorenz Christian; Ebeling, Christian; Pendarovski, Cezar; Overmann, Jörg

2016-01-04

BacDive-the Bacterial Diversity Metadatabase (http://bacdive.dsmz.de) provides strain-linked information about bacterial and archaeal biodiversity. The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology. The majority of data is manually annotated and curated. Currently (with release 9/2015), BacDive covers 53 978 strains. Newly implemented RESTful web services provide instant access to the content in machine-readable XML and JSON format. Besides an overall increase of data content, BacDive offers new data fields and features, e.g. the search for gene names, plasmids or 16S rRNA in the advanced search, as well as improved linkage of entries to external life science web resources. © The Author(s) 2015. Published by Oxford University Press on behalf of Nucleic Acids Research.

On "an experimental evaluation of sensorimotor patterning": a critique.

PubMed

Zigler, E; Seitz, V

1975-03-01

A critique was presented of a study by Neman, Roos, McCann, Menolascino, and Heal (1975) in which a sensorimotor training method of treatment for retarded children was evaluated. They presented evidence which they interpreted as support for the effectiveness of this treatment method in benefiting their sample of retarded individuals. Many shortcomings of the Neman et al. study were pointed out in the areas of evaluating the theoretical rationale underlying the treatment, subject selection, procedure, statistical analyses, and interpretation of the findings. In addition, the problems raised by the premature release of the findings to the press were discussed. Special note was made of the potential harmful effects of this publicity on retarded children and their families. The important role and responsibility of the National Association for Retarded Citizens in endorsing and recommending treatment methods for retarded individuals was also discussed.

18 CFR 157.34 - Notice of open season.

Code of Federal Regulations, 2011 CFR

2011-04-01

... including postings on Internet Web sites, press releases, direct mail solicitations, and other advertising... open season or allocation of capacity that is not posted on the open season Internet Web site or that... due to economic, engineering, design, capacity or operational constraints, or accommodating the...

Latin America Report, No. 2688.

DTIC Science & Technology

1983-06-08

and micro -distilleries was revived without the government taking any clearer position in this area. The monitoring of production itself is subject to...11 May 83 p 7A [Text] A press release issued yesterday in Panama City announced that the Agencia Latinoamericana de Servicios Especiales de

77 FR 3789 - Call for Nominations for Resource Advisory Councils

Federal Register 2010, 2011, 2012, 2013, 2014

2012-01-25

..., Correspondence, International, and Advisory Committee Office, 1849 C Street NW., MS-MIB 5070, Washington, DC.... The BLM will evaluate nominees based on their education, training, experience, and knowledge of the... nominee's qualifications. Simultaneous with this notice, BLM state offices will issue press releases...

TransGuide officially launches July 26 with VIP visit

DOT National Transportation Integrated Search

1995-07-03

In this press release issued from San Antonio, Texas, TransGuide, San Antonio's smart highway system will officially go on-line on Thursday, July 26, 1995, during a ceremony with U.S. Secretary of Transportation, : Federico F. Pena. This one-of-a-kin...

FAMILY READINESS

Science.gov Websites

RESPONSIBILITY CENTCOM COALITION MEDIA SOCIAL MEDIA NEWS ARTICLES PRESS RELEASES IMAGERY VIDEOS TRANSCRIPTS VISITORS AND PERSONNEL FAMILY CENTER FAMILY READINESS CENTCOM WEBMAIL SOCIAL MEDIA SECURITY ACCOUNTABILITY Social Media Follow MacDill AFB on social media to get updates about traffic, gate closures, construction

SOCIAL MEDIA

Science.gov Websites

RESPONSIBILITY CENTCOM COALITION MEDIA SOCIAL MEDIA NEWS ARTICLES PRESS RELEASES IMAGERY VIDEOS TRANSCRIPTS VISITORS AND PERSONNEL FAMILY CENTER FAMILY READINESS CENTCOM WEBMAIL SOCIAL MEDIA SECURITY ACCOUNTABILITY HomeMEDIASOCIAL MEDIA Social Media CENTCOM'S ENGLISH SOCIAL MEDIA ACCOUNTS There are many U.S. military commands

Overview of Preserve America

Science.gov Websites

Ground Project, New York; the Corinth and Alcorn County Mississippi Heritage Tourism Initiative heritage tourism programs. Since the program began in 2003, 843 communities have been designated as regional press releases; official notification of designation to state tourism offices and visitors bureaus

PRESS RELEASES

Science.gov Websites

CENTCOM updates counterterrorism strikes in Yemen May 16, 2018 Coalition congratulates Iraqi people last ISIS territory May 01, 2018 CJTF-OIR News Coalition congratulates Iraqi people, security forces Iraqi people, security forces May 11, 2018 Syrian Democratic Forces fire in self-defense May 11, 2018

Marketing School Music: It's Elementary.

ERIC Educational Resources Information Center

Anderson, Jill Kuespert

1992-01-01

Explores methods of promoting elementary school music programs. Suggests inviting visitors to the class as a means of increasing awareness of school music. Recommends sending press releases to school newsletters and local newspapers. Reminds teachers to make use of educational access channels on area cable television systems. (SG)

FCC press release and consumer/retailer enforcement advisories regarding cell jammers, GPS jammers, and other jamming devices

DOT National Transportation Integrated Search

2011-02-09

FCC ENFORCEMENT BUREAU STEPS UP EDUCATION AND ENFORCEMENT EFFORTS AGAINST CELLPHONE AND GPS JAMMING. CONSUMERS BEWARE: It is Unlawful to Use Cell Jammers and Other Equipment : that Blocks, Jams, or Interferes with Authorized Radio Communication...

77 FR 65602 - Chimera Energy Corporation; Order of Suspension of Trading

Federal Register 2010, 2011, 2012, 2013, 2014

2012-10-29

... SECURITIES AND EXCHANGE COMMISSION [File No. 500-1] Chimera Energy Corporation; Order of... lack of current and accurate information concerning the securities of Chimera Energy Corporation (``Chimera'') because of questions regarding the accuracy of statements by Chimera in press releases to...

Fermilab | Science

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media Tevatron experiments Tevatron operation Shutdown process For the media Video of shutdown event Guest book Quick Links Home Contact Phone Book Fermilab at Work For Industry Jobs Interact Facebook Twitter

Technology Helps Increase Poverty Awareness.

ERIC Educational Resources Information Center

Samaras, Anastasia P.

2002-01-01

Discusses the importance of developing curricular initiatives that educate students on the major facts and issues associated with poverty in America. Provides key poverty statistics and highlights useful Internet resources that offer resource lists, success stories, relevant press releases, and curriculum guides. For example, the PovertyUSA Web…

Industry Sources Form Reading List in No-Text Class.

ERIC Educational Resources Information Center

Korda, Ronald

1988-01-01

Discusses the use of broadcast industry sources to develop broadcast journalism course materials. Asserts that industry sources (trade journals, audience research reports, press releases, and videotapes of programs, promotions, or special industry presentations) can effectively replace textbook materials by integrating the academic and…

Burma’s 2010 Elections: Implications of the New Constitution and Election Laws

DTIC Science & Technology

2010-04-29

10,000,’” BBC, May 5, 2008; “Burma’s Cyclone Death Toll Soars,” BBC, May 6, 2008, and Aung Hla Tun , “Myanmar Cyclone Toll Climbs to Nearly 22,500...Aftermath,” December 20, 2007, by Michael F. Martin. 22 Aung Hla Tun , “Suu Kyi’s Party Says Won’t Stand in Myanmar Polls,” Reuters, March 30, 2010. Burma’s...part of her name. 27 U.S. Department of State, “Daily Press Briefing,” press release, March 10, 2010. 28 Ibid. 29 Aung Zaw , “Hipocrisy Replaces

Human Space Flight Plans Committee Report

NASA Image and Video Library

2009-10-21

Copies of the U.S. Human Space Flight Plans Committee report are seen in the foreground of Chairman of the U.S. Human Space Flight Plans Committee Norman Augustine, left, and committee member Ed Crawley, right, during a press conference where the committee released it's report on Thursday, Oct., 22, 2009 at the National Press Club in Washington. The Obama Administration tasked the committee to do an independent review of planned U.S. human space flight activities with the goal of ensuring that the nation is on a vigorous and sustainable path to achieving its boldest aspirations in space. Photo Credit: (NASA/Bill Ingalls)

Rocket Research at Georgia Tech.

DTIC Science & Technology

1981-11-01

samples were prepared by dry pressing 30% Valley Met H- 30 aluminum, 7% carnauba wax , and 63% 100 P AP. One sample was prepared using as received H-30, a...Al, and Carnauba wax powders. Sandwiches with aluminum in the binder lamina. Both pre-oxidation and pre-stretching treatments of aluminum particles...two different processes. 1. Dry-pressing powder mixtures in which polymeric binder is replaced by carnauba wax powder. 2. Hand mixing small samples of

Processing of Alumina-Toughened Zirconia Composites

NASA Technical Reports Server (NTRS)

Bansal, Narottam P.; Choi, Sung R.

2003-01-01

Dense and crack-free 10-mol%-yttria-stabilized zirconia (10YSZ)-alumina composites, containing 0 to 30 mol% of alumina, have been fabricated by hot pressing. Release of pressure before onset of cooling was crucial in obtaining crack-free material. Hot pressing at 1600 C resulted in the formation of ZrC by reaction of zirconia with grafoil. However, no such reaction was observed at 1500 C. Cubic zirconia and -alumina were the only phases detected from x-ray diffraction indicating no chemical reaction between the composite constituents during hot pressing. Microstructure of the composites was analyzed by scanning electron microscopy and transmission electron microscopy. Density and elastic modulus of the composites followed the rule-of-mixtures. Addition of alumina to 10YSZ resulted in lighter, stronger, and stiffer composites by decreasing density and increasing strength and elastic modulus.

Filter Presses. Sludge Treatment and Disposal Course #166. Instructor's Guide [and] Student Workbook.

ERIC Educational Resources Information Center

Alloway, Rawle A.

This lesson is an introduction to the operation of filter presses. Two basic types of presses, their components, the sequence of operation, operational controls, sampling, and testing are discussed. The instructor's manual contains a description of the lesson, estimated presentation time, instructional materials list, suggested sequence of…

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

None

This document contains a listing, description, and selected references for documented human radiation experiments sponsored, supported, or performed by the US Department of Energy (DOE) or its predecessors, including the US Energy Research and Development Administration (ERDA), the US Atomic Energy Commission (AEC), the Manhattan Engineer District (MED), and the Off ice of Scientific Research and Development (OSRD). The list represents work completed by DOE`s Off ice of Human Radiation Experiments (OHRE) through June 1995. The experiment list is available on the Internet via a Home Page on the World Wide Web (http://www.ohre.doe.gov). The Home Page also includes the fullmore » text of Human Radiation Experiments. The Department of Energy Roadmap to the Story and the Records (DOE/EH-0445), published in February 1995, to which this publication is a supplement. This list includes experiments released at Secretary O`Leary`s June 1994 press conference, as well as additional studies identified during the 12 months that followed. Cross-references are provided for experiments originally released at the press conference; for experiments released as part of The DOE Roadmap; and for experiments published in the 1986 congressional report entitled American Nuclear Guinea Pigs: Three Decades of Radiation Experiments on US Citizens. An appendix of radiation terms is also provided.« less

Preparation and Thermoelectric Properties of Cu2Se Hot-Pressed from Hydrothermal Synthesis Nanopowders

NASA Astrophysics Data System (ADS)

Gao, F.; Leng, S. L.; Zhu, Z.; Li, X. J.; Hu, X.; Song, H. Z.

2018-04-01

The nanopowders of Cu2Se were synthesized by the hydrothermal method, and then were hot-pressed into bulk pellets. The effects of different preparation conditions on the structure and thermoelectric properties of Cu2Se nanocrystalline bulk alloys were investigated. The resistivity and Seebeck coefficients increase with the increment of hot-pressing temperatures, while they decrease with the increment of hot-pressing time, except for the Seebeck coefficients of the sample hot-pressed for 30 min. Based on the power factors and dimensionless thermoelectric figure-of-merit ( ZT) values, the optimum hot-pressing parameters are 700°C and 30 min.

78 FR 12127 - Vitaminspice Inc.; Order of Suspension of Trading

Federal Register 2010, 2011, 2012, 2013, 2014

2013-02-21

... current and accurate information concerning the securities of VitaminSpice Inc. (``VitaminSpice'') because of questions regarding the adequacy of current financial information available about VitaminSpice; and the accuracy of assertions by VitaminSpice, and by others, in press releases to investors, in...

75 FR 62157 - Dolby Laboratories, Inc.; Notice of Application

Federal Register 2010, 2011, 2012, 2013, 2014

2010-10-07

... with the Commission, press releases, marketing materials, and website that it is engaged in the... 388 employees in sales and marketing, 421 employees in products and technology (including 345... sheet as it is not treated as an asset under Generally Accepted Accounting Principles. Dolby also states...

Handling an Emergency: A Defining Moment.

ERIC Educational Resources Information Center

Polansky, Harvey B.; Montague, Richard

2001-01-01

Following a fire and a costly PCB cleanup at a Connecticut high school, the administrative staff learned valuable lessons. Districts must have an emergency management plan, provide accurate information, pursue alliances with media and agencies, issue daily press releases, develop a phone chain, and share the spotlight. (MLH)

Press Releases | Argonne National Laboratory

Science.gov Websites

Electrochemical Energy Science --Center for Transportation Research --Chain Reaction Innovations --Computation renewable energy such as wind and solar power. April 25, 2018 John Carlisle, director of Chain Reaction across nation to grow startups Argonne announces second cohort of Chain Reaction Innovations. April 18

Fermilab | Tevatron | Media

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Book Fermilab at Work For Industry Jobs Interact Facebook Twitter Instagram Google+ YouTube Flickr

Fermilab | Tevatron

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Book Fermilab at Work For Industry Jobs Interact Facebook Twitter Instagram Google+ YouTube Flickr

Fermilab | Contact Fermilab

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media Tevatron experiments Tevatron operation Shutdown process For the media Video of shutdown event Guest book Cookies Quick Links Home Contact Phone Book Fermilab at Work For Industry Jobs Interact Facebook Twitter

Fermilab | About Fermilab

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media Tevatron experiments Tevatron operation Shutdown process For the media Video of shutdown event Guest book Links Home Contact Phone Book Fermilab at Work For Industry Jobs Interact Facebook Twitter Instagram

Suicide Management Plan--Post Suicide Response.

ERIC Educational Resources Information Center

Imhoff, Robert; Royster, Sharon

This document contains a suicide management plan developed specifically for colleges. The suicide management plan described includes pre-planning, immediate response to the event, press releases, college staff jobs, college responses (such as memorials or scholarships), interaction with the family, and staff counseling. The plan is presented as a…

DHSEM Home

Science.gov Websites

Facebook YouTube logo YouTube News & Announcements New FY 18 Nonprofit Security Grant Program (NSGP ) - Applications DUE June 11, 2018 6:00pm New Press Release - Newtok Awarded HMGP Grant for Erosion Threatened Homes Hazard Mitigation Grant Program (HMGP) Funds Availability Announcement Fact Sheet - Preparing for

75 FR 10707 - MORTGAGE ASSISTANCE RELIEF SERVICES

Federal Register 2010, 2011, 2012, 2013, 2014

2010-03-09

...), available at ( http://www.mbaa.org/NewsandMedia/PressCenter/71112.htm ). In December 2008, Credit Suisse.../release.php?id=1821 ). \\50\\ See State Bar of California, Ethics Alert: Legal Services to Distressed Homeowners and Foreclosure Consultants on Loan Modifications 2, Ethics Hotliner (Feb. 2, 2009), available at...

Aircraft Fire Sentry. Volume 2. Appendices

DTIC Science & Technology

1993-01-01

including New Mexico Engineering Research Institute (NMERI), National Institute of Standards and Technology (NIST), Wright-Patterson AFB, and AFESC at...Installation Remove the mounting bracket from the smoke alarm by depresing the release tab marked "PRESS" (see Figure 1. pg. 5). Pivot the bracket awey from and

Teaching Students Who Stutter

ERIC Educational Resources Information Center

Education Digest: Essential Readings Condensed for Quick Review, 2011

2011-01-01

Stutterer's incident in class draws national attention; Stuttering Foundation responds with tips for educators. In response to the articles in the "New York Times," Jane Fraser, president of the nonprofit Stuttering Foundation, wrote in a press release eight tips for educators regarding working with students who stutter. This article presents…

Effect of Winemaking on the Composition of Red Wine as a Source of Polyphenols for Anti-Infective Biomaterials

PubMed Central

Di Lorenzo, Arianna; Bloise, Nora; Meneghini, Silvia; Sureda, Antoni; Tenore, Gian Carlo; Visai, Livia; Arciola, Carla Renata; Daglia, Maria

2016-01-01

Biomaterials releasing bactericides have currently become tools for thwarting medical device-associated infections. The ideal anti-infective biomaterial must counteract infection while safeguarding eukaryotic cell integrity. Red wine is a widely consumed beverage to which many biological properties are ascribed, including protective effects against oral infections and related bone (osteoarthritis, osteomyelitis, periprosthetic joint infections) and cardiovascular diseases. In this study, fifteen red wine samples derived from grapes native to the Oltrepò Pavese region (Italy), obtained from the winemaking processes of “Bonarda dell’Oltrepò Pavese” red wine, were analyzed alongside three samples obtained from marc pressing. Total polyphenol and monomeric anthocyanin contents were determined and metabolite profiling was conducted by means of a chromatographic analysis. Antibacterial activity of wine samples was evaluated against Streptococcus mutans, responsible for dental caries, Streptococcus salivarius, and Streptococcus pyogenes, two oral bacterial pathogens. Results highlighted the winemaking stages in which samples exhibit the highest content of polyphenols and the greatest antibacterial activity. Considering the global need for new weapons against bacterial infections and alternatives to conventional antibiotics, as well as the favorable bioactivities of polyphenols, results point to red wine as a source of antibacterial substances for developing new anti-infective biomaterials and coatings for biomedical devices. PMID:28773444

The international Genome sample resource (IGSR): A worldwide collection of genome variation incorporating the 1000 Genomes Project data.

PubMed

Clarke, Laura; Fairley, Susan; Zheng-Bradley, Xiangqun; Streeter, Ian; Perry, Emily; Lowy, Ernesto; Tassé, Anne-Marie; Flicek, Paul

2017-01-04

The International Genome Sample Resource (IGSR; http://www.internationalgenome.org) expands in data type and population diversity the resources from the 1000 Genomes Project. IGSR represents the largest open collection of human variation data and provides easy access to these resources. IGSR was established in 2015 to maintain and extend the 1000 Genomes Project data, which has been widely used as a reference set of human variation and by researchers developing analysis methods. IGSR has mapped all of the 1000 Genomes sequence to the newest human reference (GRCh38), and will release updated variant calls to ensure maximal usefulness of the existing data. IGSR is collecting new structural variation data on the 1000 Genomes samples from long read sequencing and other technologies, and will collect relevant functional data into a single comprehensive resource. IGSR is extending coverage with new populations sequenced by collaborating groups. Here, we present the new data and analysis that IGSR has made available. We have also introduced a new data portal that increases discoverability of our data-previously only browseable through our FTP site-by focusing on particular samples, populations or data sets of interest. © The Author(s) 2016. Published by Oxford University Press on behalf of Nucleic Acids Research.

An investigation of the mechanism of release of the amphoteric drug amoxycillin from poly(D,L-lactide-co-glycolide) matrices.

PubMed

Mollo, A Rosario; Corrigan, Owen I

2002-01-01

Amoxycillin-poly (D,L-lactide-co-glycolide) (PLGA) compacts were prepared by direct compression of both powder mixtures or films in a pre-heated press. Release profiles generally showed two phases separated by an induction period. Thus, both diffusion and polymer degradation mechanisms were involved in drug release, the relative importance of each depending on processing type and drug loading. Drug release parameters for each phase were determined. The fraction of total drug released, in the initial release phase, increased with drug loading and was much larger for compressed physical mixtures than for compressed composites prepared from co-evaporate films. Comparison of the polymer mass loss profiles of drug-loaded and drug-free discs indicated that the presence of the amphoteric drug amoxycillin had little impact on the polymer degradation rate, in contrast to the marked acceleration previously reported for basic drugs. Significant drug degradation occurred and was associated with release at later times. Release data was fitted to an equation accounting for degradation of the drug on release and suggested accelerated amoxycillin degradation during the polymer degradation controlled release phase, consistent with changes in pH in the microenvironment of the eroding compact.

When Medical News Comes from Press Releases—A Case Study of Pancreatic Cancer and Processed Meat

PubMed Central

Taylor, Joseph W.; Long, Marie; Ashley, Elizabeth; Denning, Alex; Gout, Beatrice; Hansen, Kayleigh; Huws, Thomas; Jennings, Leifa; Quinn, Sinead; Sarkies, Patrick; Wojtowicz, Alex; Newton, Philip M.

2015-01-01

The media have a key role in communicating advances in medicine to the general public, yet the accuracy of medical journalism is an under-researched area. This project adapted an established monitoring instrument to analyse all identified news reports (n = 312) on a single medical research paper: a meta-analysis published in the British Journal of Cancer which showed a modest link between processed meat consumption and pancreatic cancer. Our most significant finding was that three sources (the journal press release, a story on the BBC News website and a story appearing on the ‘NHS Choices’ website) appeared to account for the content of over 85% of the news stories which covered the meta analysis, with many of them being verbatim or moderately edited copies and most not citing their source. The quality of these 3 primary sources varied from excellent (NHS Choices, 10 of 11 criteria addressed) to weak (journal press release, 5 of 11 criteria addressed), and this variance was reflected in the accuracy of stories derived from them. Some of the methods used in the original meta-analysis, and a proposed mechanistic explanation for the findings, were challenged in a subsequent commentary also published in the British Journal of Cancer, but this discourse was poorly reflected in the media coverage of the story. PMID:26083640

M3FT-17OR0301070211 - Preparation of Hot Isostatically Pressed AgZ Waste Form Samples

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

Jubin, Robert Thomas; Bruffey, Stephanie H.; Jordan, Jacob A.

The production of radioactive iodine-bearing waste forms that exhibit long-term stability and are suitable for permanent geologic disposal has been the subject of substantial research interest. One potential method of iodine waste form production is hot isostatic pressing (HIP). Recent studies at Oak Ridge National Laboratory (ORNL) have investigated the conversion of iodine-loaded silver mordenite (I-AgZ) directly to a waste form by HIP. ORNL has performed HIP with a variety of sample compositions and pressing conditions. The base mineral has varied among AgZ (in pure and engineered forms), silver-exchanged faujasite, and silverexchanged zeolite A. Two iodine loading methods, occlusion andmore » chemisorption, have been explored. Additionally, the effects of variations in temperature and pressure of the process have been examined, with temperature ranges of 525°C–1,100°C and pressure ranges of 100–300 MPa. All of these samples remain available to collaborators upon request. The sample preparation detailed in this document is an extension of that work. In addition to previously prepared samples, this report documents the preparation of additional samples to support stability testing. These samples include chemisorbed I-AgZ and pure AgI. Following sample preparation, each sample was processed by HIP by American Isostatic Presses Inc. and returned to ORNL for storage. ORNL will store the samples until they are requested by collaborators for durability testing. The sample set reported here will support waste form durability testing across the national laboratories and will provide insight into the effects of varied iodine content on iodine retention by the produced waste form and on potential improvements in waste form durability provided by the zeolite matrix.« less

Recent Release of the ASTER Global DEM Product

NASA Astrophysics Data System (ADS)

Behnke, J.; Hall, A.; Meyer, D.; Sohre, T.; Doescher, C.

2009-12-01

On June 29th, the ASTER Global Digital Elevation Model (DEM) release was announced to the public and to a very eager audience. ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) is an imaging instrument flying on Terra, a satellite launched in December 1999 as part of NASA's Earth Observing System (EOS). ASTER is a cooperative effort between NASA, Japan's Ministry of Economy, Trade and Industry (METI) and Japan's Earth Remote Sensing Data Analysis Center (ERSDAC). On June 21, NASA Headquarters along with colleagues in Japan (METI) signed a plan for distribution of this product. The global digital elevation model of Earth is available online to users everywhere at no cost from NASA's Land Processes Distributed Active Archive Center (DAAC) located at Sioux Falls, SD. The DAAC is a joint project of NASA and the USGS and is a key component of NASA's EOSDIS. The new ASTER GDEM was created from nearly 1.3 million individual stereo-pair images acquired by the Japanese Advanced Spaceborne Thermal Emission and Reflection Radiometer (Aster) instrument aboard NASA’s Terra satellite. The ASTER elevation model was jointly developed by NASA and METI under contract to Sensor Information Laboratory Corp., Tsukuba, Japan. On June 29, the NASA press release was picked up quickly by numerous news organizations and online sites. Response to the product was incredible! The news of the release of the product was carried on websites across the globe, this fueled a tremendous response from users. Here are a few interesting metrics about the release: - over 41,000 unique visitors to website in first week following release - top countries in order were: US (approx. 20%), Germany, U.K., Brazil, Austria, Canada, Spain, Switzerland, Japan - approximately 29,000 visitors came to the news page in the first week and about 11,000 of these users downloaded the actual press release - by the end of August, over 2 Million ASTER GDEM files had been downloaded from the Land Processes DAAC This presentation covers the issues associated with the release of this very popular product, including issues raised by many of our users.

Florida Natural Resource Damage Assessment Public Meeting | NOAA Gulf Spill

Science.gov Websites

Damage Assessment Projects Near You Strategic Frameworks Monitoring and Adaptive Management Restoration Publications Press Releases Story Archive Home Florida Natural Resource Damage Assessment Public Meeting Florida Natural Resource Damage Assessment Public Meeting share Posted on November 19, 2010 | Assessment

Restricted campaign. Recruiting, retaining without traditional advertising methods. Louisiana group uses press releases, direct mailings, speeches to promote its message.

PubMed

2007-01-01

Try getting the word out without the benefit of paid advertising. That's one of the strings tied to a government-funded campaign in New Orleans to bring nurses back into the area as it recovers from Katrina.

75 FR 33355 - Records Schedules; Availability and Request for Comments

Federal Register 2010, 2011, 2012, 2013, 2014

2010-06-11

... of agency accomplishments, press releases, and files relating to educational campaigns. 6. Department... of Justice, Civil Division (N1-60-10-16, 1 item, 1 temporary item). Documents that are attorney... capacity based on actions they took in connection with their official position. 8. Department of Justice...

10 CFR 903.11 - Advance announcement of rate adjustment.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 10 Energy 4 2010-01-01 2010-01-01 false Advance announcement of rate adjustment. 903.11 Section 903.11 Energy DEPARTMENT OF ENERGY POWER AND TRANSMISSION RATES Procedures for Public Participation in... announcement may be through direct contact with customers, at public meetings, by press release, by newspaper...

75 FR 65645 - Notice Reopening the Call for Nominations for the New Mexico Resource Advisory Councils

Federal Register 2010, 2011, 2012, 2013, 2014

2010-10-26

... INFORMATION CONTACT: Allison Sandoval, Bureau of Land Management, Correspondence, International, and Advisory... variety of factors, including training, experience, and knowledge of the geographical area of the RAC... Office will issue a press release simultaneously with this notice, providing additional information for...

Educational Communications Public Relations: One Person's Thoughts.

ERIC Educational Resources Information Center

Boyd, Warren A.

Three types of materials are included in this presentation on educational communications public relations. An outline listing ideas and considerations designed as a discussion guide covers four major topics: (1) public relations; (2) general publicity and press releases; (3) specific publicity; and (4) additional aspects of public relations. The…

Small Changes Won't Assure Sustainability--but Reimagining Might

ERIC Educational Resources Information Center

Holdaway, Xarissa

2008-01-01

Almost every day, the author learns about new green buildings from press releases. One example is that of Arizona State University's new Biodesign Institute, a soaring, "uber"-chic, high-performance, Leadership in Energy and Environmental Design-certified center. However, the author maintains that such buildings are undoubtedly a step up…

7 CFR 1494.201 - Definitions of terms.

Code of Federal Regulations, 2010 CFR

2010-01-01

... offer, if applicable. (b) Announced CCC bonus—A CCC bonus announced by CCC by public press release in... shipped from a Canadian transshipment port on the St. Lawrence River, provided its identity had been... of Agriculture, acting in the capacity of Vice President, CCC, or the GSM's designee. (w) Invitation...

7 CFR 1494.201 - Definitions of terms.

Code of Federal Regulations, 2011 CFR

2011-01-01

... offer, if applicable. (b) Announced CCC bonus—A CCC bonus announced by CCC by public press release in... shipped from a Canadian transshipment port on the St. Lawrence River, provided its identity had been... of Agriculture, acting in the capacity of Vice President, CCC, or the GSM's designee. (w) Invitation...

Gulf Coast Ecosystem Restoration Council Public Meeting | NOAA Gulf Spill

Science.gov Websites

Publications Press Releases Story Archive Home Gulf Coast Ecosystem Restoration Council Public Meeting Gulf Coast Ecosystem Restoration Council Public Meeting share Posted on December 5, 2012 | Assessment and Early Restoration Restoration Area The Council, which was established by the Resources and Ecosystem

Gulf Coast Ecosystem Restoration Task Force Meeting and Public Listening

Science.gov Websites

Data Media & News Publications Press Releases Story Archive Home Gulf Coast Ecosystem Restoration Task Force Meeting and Public Listening Session Gulf Coast Ecosystem Restoration Task Force Meeting and Title: Gulf Coast Ecosystem Restoration Task Force Meeting and Public Listening SessionDescription: The

Weerts to lead Physical Sciences and Engineering directorate | Argonne

Science.gov Websites

Electrochemical Energy Science CTRCenter for Transportation Research CRIChain Reaction Innovations CIComputation Search Energy Environment National Security User Facilities Science Work with Us About Safety News Press Releases Feature Stories Science Highlights In the News Argonne Now Magazine Media Contacts Social Media

Grassroots Publicity. Proven, Low- or No-Cost Ideas for Adult Education Programs.

ERIC Educational Resources Information Center

Reiff, Tana; Jamula, Melissa

This booklet describes 20 inexpensive or no-cost techniques for increasing enrollment and student completion rates in adult education programs. Outlined in the guide are the following techniques or activities: refining class logistics; sponsoring liaisons; designing registration packets and recruitment fliers and writing press releases, radio…

Chandra X-ray Center

Science.gov Websites

NHFP/Einstein Postdoctoral Fellows Selected NASA has announced the selection of the 2018 NASA Hubble . NASA press release Read the full CXC announcement here. 4/3/2018 Accretion in Stellar Systems August 8 Calibration Database User Community Chandra Users' Committee (CUC) NASA Hubble Fellowship Program

Library | CTIO

Science.gov Websites

Program PIA Program GO-FAAR Program Other Opportunities Tourism Visits to Tololo Astro tourism in Chile Tourism in Chile Information for travelers Visit Tololo Media Relations News Press Release Publications , and books, most of which can be found at CTIO's La Serena library branch. Electronic Resources Access

An Investigation into Managers' Language Use in Earnings Press Releases

ERIC Educational Resources Information Center

Riley, Tracey Jean

2011-01-01

For years, researchers have examined financial data in corporate earnings announcements and their influence on market participants. More recently, a body of research has been developing recognizing the impact of narrative disclosures and managers' deliberate language choices. However, no prior studies have investigated those language choices of…

Fermilab | Science at Fermilab | Computing

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium , Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For Industry Jobs Interact

Fermilab | Tritium at Fermilab | Indian Creek Results

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Links Home Contact Phone Book Fermilab at Work For Industry Jobs Interact Facebook Twitter Instagram

Fermilab | Tritium at Fermilab | Indian Creek Results

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Home Contact Phone Book Fermilab at Work For Industry Jobs Interact Facebook Twitter Instagram Google

Fermilab | Science | Inquiring Minds

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Office of Science Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at

Fermilab | Tevatron | Tevatron Operation

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium , Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For Industry Jobs Interact

Fermilab | Visit Fermilab

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media Tevatron experiments Tevatron operation Shutdown process For the media Video of shutdown event Guest book check on holiday hours or check the Lederman Science Center website. Groups of six or more must book a

Fermilab | Tritium at Fermilab

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Energy Office of Science Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book

Fermilab | Science at Fermilab | Computing | Grid Computing

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Book Fermilab at Work For Industry Jobs Interact Facebook Twitter Instagram Google+ YouTube Flickr

Fermilab | Tevatron | Experiments | DZero

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Book Fermilab at Work For Industry Jobs Interact Facebook Twitter Instagram Google+ YouTube Flickr

Fermilab | Science at Fermilab | Computing | Networking

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Links Home Contact Phone Book Fermilab at Work For Industry Jobs Interact Facebook Twitter Instagram

Fermilab | Resources for

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media Tevatron experiments Tevatron operation Shutdown process For the media Video of shutdown event Guest book Science Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For

Fermilab | Tevatron | Tevatron Symposium | Agenda

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For Industry

Fermilab | Tevatron | Tevatron Symposium

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Energy Office of Science Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book

Fermilab | Visit Fermilab | Tours, Programs and Events

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Quick Links Home Contact Phone Book Fermilab at Work For Industry Jobs Interact Facebook Twitter

Fermilab | Contact Fermilab | Email Fermilab

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media Tevatron experiments Tevatron operation Shutdown process For the media Video of shutdown event Guest book , Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For Industry Jobs Interact

Fermilab | Tevatron | Shutdown Process

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Science Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For

Fermilab | Physics for Everyone | Lecture Series

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Book Fermilab at Work For Industry Jobs Interact Facebook Twitter Instagram Google+ YouTube Flickr

Fermilab | Science | Particle Physics

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Quick Links Home Contact Phone Book Fermilab at Work For Industry Jobs Interact Facebook Twitter

Fermilab | Visit Fermilab | Transportation

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Book Fermilab at Work For Industry Jobs Interact Facebook Twitter Instagram Google+ YouTube Flickr

Napa County Entrepreneurial Child Care Training.

ERIC Educational Resources Information Center

Napa County Employment Training Office, CA.

A multiagency project designed a program to train participants to become licensed family day care home operators. Participant recruitment was conducted by means of a flyer, advertisements in the help wanted section, community service announcements, press releases, and notices to the high schools. The program recruited 43 potential family day care…

7 CFR 1493.20 - Definition of terms.

Code of Federal Regulations, 2013 CFR

2013-01-01

... Secretary of Agriculture. (c) Contacts P/R. A notice issued by FAS/USDA by public press release which contains specific names, addresses, and telephone and facsimile numbers of contacts within FAS/USDA and CCC... appropriate FOB, FAS, CFR or CIF basis. Discounts and allowances include, but are not limited to, the...

7 CFR 1493.410 - Definition of terms.

Code of Federal Regulations, 2012 CFR

2012-01-01

... Secretary of Agriculture. (c) Contacts P/R. A notice issued by FAS/USDA by public press release which contains specific names, addresses, and telephone and facsimile numbers of contacts within FAS/USDA and CCC... agricultural commodity, above and beyond the commodity's value, stated on the appropriate FOB, FAS, CFR or CIF...

7 CFR 1493.410 - Definition of terms.

Code of Federal Regulations, 2013 CFR

2013-01-01

... Secretary of Agriculture. (c) Contacts P/R. A notice issued by FAS/USDA by public press release which contains specific names, addresses, and telephone and facsimile numbers of contacts within FAS/USDA and CCC... agricultural commodity, above and beyond the commodity's value, stated on the appropriate FOB, FAS, CFR or CIF...

7 CFR 1493.410 - Definition of terms.

Code of Federal Regulations, 2014 CFR

2014-01-01

... Secretary of Agriculture. (c) Contacts P/R. A notice issued by FAS/USDA by public press release which contains specific names, addresses, and telephone and facsimile numbers of contacts within FAS/USDA and CCC... agricultural commodity, above and beyond the commodity's value, stated on the appropriate FOB, FAS, CFR or CIF...

7 CFR 1493.20 - Definition of terms.

Code of Federal Regulations, 2014 CFR

2014-01-01

... Secretary of Agriculture. (c) Contacts P/R. A notice issued by FAS/USDA by public press release which contains specific names, addresses, and telephone and facsimile numbers of contacts within FAS/USDA and CCC... appropriate FOB, FAS, CFR or CIF basis. Discounts and allowances include, but are not limited to, the...

7 CFR 1493.20 - Definition of terms.

Code of Federal Regulations, 2012 CFR

2012-01-01

... Secretary of Agriculture. (c) Contacts P/R. A notice issued by FAS/USDA by public press release which contains specific names, addresses, and telephone and facsimile numbers of contacts within FAS/USDA and CCC... appropriate FOB, FAS, CFR or CIF basis. Discounts and allowances include, but are not limited to, the...

Louisiana Resource Trustees Early Restoration Public Meeting | NOAA Gulf

Science.gov Websites

Publications Press Releases Story Archive Home Louisiana Resource Trustees Early Restoration Public Meeting Louisiana Resource Trustees Early Restoration Public Meeting share Posted on June 14, 2011 | Assessment and Early Restoration Restoration Area Title: Louisiana Resource Trustees Early Restoration Public

16 CFR 16.9 - Notice of meetings.

Code of Federal Regulations, 2010 CFR

2010-01-01

... COMMITTEE MANAGEMENT § 16.9 Notice of meetings. (a) Notice of each advisory committee meeting, whether open... meeting date. Such notice shall include the exact name of the advisory committee as chartered; the time... this section, other forms of notice such as press releases and notices in professional journals may be...

77 FR 58203 - AER Energy Resources, Inc.; Alto Group Holdings, Inc.; Bizrocket.Com Inc.; Fox Petroleum, Inc...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-09-19

... SECURITIES AND EXCHANGE COMMISSION [File No. 500-1] AER Energy Resources, Inc.; Alto Group Holdings, Inc.; Bizrocket.Com Inc.; Fox Petroleum, Inc.; Geopulse Explorations Inc.; Global Technologies... accuracy of press releases concerning the company's revenues. 4. Fox Petroleum, Inc. is a Nevada...

14 CFR 1213.102 - Policy.

Code of Federal Regulations, 2011 CFR

2011-01-01

... culture of openness, NASA employees may, consistent with this policy, speak to the press and the public... openness with the media and public that values the free exchange of ideas, data, and information as part of... and the results thereof.” Release of public information concerning NASA activities and the results of...

14 CFR 1213.102 - Policy.

Code of Federal Regulations, 2010 CFR

2010-01-01

... culture of openness, NASA employees may, consistent with this policy, speak to the press and the public... openness with the media and public that values the free exchange of ideas, data, and information as part of... and the results thereof.” Release of public information concerning NASA activities and the results of...

Home

Science.gov Websites

Military Commissions History USCMCR History USCMCR Judges Legal System Comparison FAQs CASES Military General Public About Us Cases Calendar CCTV Sites Legal Community Cases Legal Resources Travel Victims and Transcripts | Press Releases | Calendar Quick Links Cases Cases Active Cases Majid Shoukat Khan Ahmed Mohammed

Higher Education Research Digest

ERIC Educational Resources Information Center

ACT, Inc., 2017

2017-01-01

This new ACT publication is an annual report offering meaningful research insights for some of the most pressing questions impacting admissions and enrollment practice. In the first release of this report, ACT research sheds light on the following topics: (1) the practice of super-scoring; (2) STEM major choice; (3) factors impacting retention and…

Corporate Writing in the Web of Postmodern Culture and Postindustrial Capitalism.

ERIC Educational Resources Information Center

Boje, David M.

2001-01-01

Uses Nike as an example to explore the impact of corporate writing (in annual reports, press releases, advertisements, web pages, sponsored research, and consultant reports). Shows how the intertextual web of "Nike Writing," as it legitimates industry-wide labor and ecological practices has significant, negative consequences for academic…

The botulinum toxin LD50 potency assay - another chapter, another mystery.

PubMed

Pickett, Andy

2012-09-01

Observers of the potency assay used for botulinum toxin were greeted last year with the news that one company had an alternative, non-animal alternative in place. But all was not as it seemed from the press release, and over a year later, information is still lacking.

Low temperature thermoelectric properties of hot pressed composite samples of CrSb2: evidence for possible phonon-drag effect.

NASA Astrophysics Data System (ADS)

Pokharel, Mani; Koirala, Machhindra; Ren, Zhifeng; Opeil, Cyril

We present on the thermoelectric transport properties of CrSb2 samples prepared by hot-press densification in the temperature range of 2 - 350 K. At around 10 K, the thermal conductivity of CrSb2 decreases dramatically by three orders of magnitude compared to the single crystal counterpart. Analysis shows that the reduced thermal conductivity results from increased scattering of the phonons off the grain-boundaries within the samples. A strong interrelationship between the thermal conductivity and the Seebeck coefficient is observed; indicating a significant presence of phonon-drag effect in this system. With ZT = 0.018 at 310 K for the sample hot pressed at 600 oC, an increase in ZT by 80 % over the previously reported values for polycrystalline samples is achieved. We gratefully acknowledge funding for this work by the Department of Defense, United States Air Force Office of Scientific Researchs MURI program under contract FA9550-10-1-0533.

The effect of texture in (Bi3.5Nd0.5)(Ti2.97Nb0.03)O12 ceramics

NASA Astrophysics Data System (ADS)

Cao, Ziping; Ding, Aili; Zheng, Xinsen; Qiu, Pingsun; Cheng, Wenxiu

2004-11-01

(Bi3.5Nd0.5) (Ti2.97Nb0.03)O12 ferroelectric ceramics was successfully prepared by a hot-pressing method. XRD diffraction confirms that the samples hold different texture in the sliced planes parallel and perpendicular to the hot-pressing axis, respectively. The anisotropy of ferroelectric, dielectric and piezoelectric properties were all observed in the textured ceramics. Due to the great improvement of ferroelectric and piezoelectric properties, the sample which was sliced along the direction parallel to the hot-pressing axis can be considered as a good candidate of high temperature piezoelectric materials.

Evaluation of Aluminum Participation in the Development of Reactive Waves in Shock Compressed HMX

NASA Astrophysics Data System (ADS)

Pahl, R. J.; Trott, W. M.; Snedigar, S.; Castañeda, J. N.

2006-07-01

A series of gas gun tests has been performed to examine contributions to energy release from micron-sized and nanometric aluminum powder added to sieved (212-300μm) HMX. In the absence of added metal, 4-mm-thick, low-density (64-68% of theoretical maximum density) pressings of the sieved HMX respond to modest shock loading by developing distinctive reactive waves that exhibit both temporal and mesoscale spatial fluctuations. Parallel tests have been performed on samples containing 10% (by mass) aluminum in two particle sizes: 2-μm and 123-nm mean particle diameter, respectively. The finely dispersed aluminum initially suppresses wave growth from HMX reactions; however, after a visible induction period, the added metal drives rapid increases in the transmitted wave particle velocity. Wave profile variations as a function of the aluminum particle diameter are discussed.

Distribution of Heavy Metal Pollution in Surface Soil Samples in China: A Graphical Review.

PubMed

Duan, Qiannan; Lee, Jianchao; Liu, Yansong; Chen, Han; Hu, Huanyu

2016-09-01

Soil pollution in China is one of most wide and severe in the world. Although environmental researchers are well aware of the acuteness of soil pollution in China, a precise and comprehensive mapping system of soil pollution has never been released. By compiling, integrating and processing nearly a decade of soil pollution data, we have created cornerstone maps that illustrate the distribution and concentration of cadmium, lead, zinc, arsenic, copper and chromium in surficial soil across the nation. These summarized maps and the integrated data provide precise geographic coordinates and heavy metal concentrations; they are also the first ones to provide such thorough and comprehensive details about heavy metal soil pollution in China. In this study, we focus on some of the most polluted areas to illustrate the severity of this pressing environmental problem and demonstrate that most developed and populous areas have been subjected to heavy metal pollution.

A website for astronomical news in Spanish

NASA Astrophysics Data System (ADS)

Ortiz-Gil, A.

2008-06-01

Noticias del Cosmos is a collection of web pages within the Astronomical Observatory of the University of Valencia's website where we publish short daily summaries of astronomical press releases. Most, if not all of, the releases are originally written in English, and often Spanish readers may find them difficult to understand because not many people are familiar with the scientific language employed in these releases. Noticias del Cosmos has two principal aims. First, we want to communicate the latest astronomical news on a daily basis to a wide Spanish-speaking public who would otherwise not be able to read them because of the language barrier. Second, daily news can be used as a tool to introduce the astronomical topics of the school curriculum in a more immediate and relevant way. Most of the students at school have not yet reached a good enough level in their knowledge of English to fully understand a press release, and Noticias del Cosmos offers them and their teachers this news in their mother tongue. During the regular programme of school visits at the Observatory we use the news as a means of showing that there is still a lot to be discovered. So far the visits to the website have been growing steadily. Between June 2003 and June 2007 we had more than 30,000 visits (excluding 2006). More than 50% of the visits come from Spain, followed by visitors from South and Central America. The feedback we have received from teachers so far has been very positive, showing the usefulness of news items in the classroom when teaching astronomy.

Normal Taste Acceptance and Preference of PANX1 Knockout Mice.

PubMed

Tordoff, Michael G; Aleman, Tiffany R; Ellis, Hillary T; Ohmoto, Makoto; Matsumoto, Ichiro; Shestopalov, Val I; Mitchell, Claire H; Foskett, J Kevin; Poole, Rachel L

2015-09-01

Taste compounds detected by G protein-coupled receptors on the apical surface of Type 2 taste cells initiate an intracellular molecular cascade culminating in the release of ATP. It has been suggested that this ATP release is accomplished by pannexin 1 (PANX1). However, we report here that PANX1 knockout mice do not differ from wild-type controls in response to representative taste solutions, measured using 5-s brief-access tests or 48-h two-bottle choice tests. This implies that PANX1 is unnecessary for taste detection and consequently that ATP release from Type 2 taste cells does not require PANX1. © The Author 2015. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

In Situ Neutron Scattering Study of Nanostructured PbTe-PbS Bulk Thermoelectric Material

NASA Astrophysics Data System (ADS)

Ren, Fei; Schmidt, Robert; Case, Eldon D.; An, Ke

2017-05-01

Nanostructures play an important role in thermoelectric materials. Their thermal stability, such as phase change and evolution at elevated temperatures, is thus of great interest to the thermoelectric community. In this study, in situ neutron diffraction was used to examine the phase evolution of nanostructured bulk PbTe-PbS materials fabricated using hot pressing and pulsed electrical current sintering (PECS). The PbS second phase was observed in all samples in the as-pressed condition. The temperature dependent lattice parameter and phase composition data show an initial formation of PbS precipitates followed by a redissolution during heating. The redissolution process started around 570-600 K, and completed at approximately 780 K. During cooling, the PECS sample followed a reversible curve while the heating/cooling behavior of the hot pressed sample was irreversible.

Students Seeking Access to Four-Year Institutions: Community College Transfers [Background Information].

ERIC Educational Resources Information Center

Moore, Jamillah

This publication provides background information for a hearing by the California Senate Select Committee on Higher Education and Outreach on December 3, 1997. The Introduction presents the Committee announcement, press release, agenda, information about transfer efforts in California, facts and figures about the community colleges, and the text of…

IceCube

Science.gov Websites

the IEEE Spectrum reflects on the deployment of IceCube's last string. (February 2011). From the Daily Californian (January 26, 2011) includes current group photo. From the Guardian and Observer (UK) (January 23 , 2011) NSF Press Release (December 2010) Major Milestone - Completion of the IceCube Detector December

7 CFR 1160.606 - Notice of referendum.

Code of Federal Regulations, 2010 CFR

2010-01-01

... the referendum agent; and (b) Giving public notice of the referendum: (1) By furnishing press releases... agent shall provide at least 30 days' notice of any referendum authorized by the Act by: (a) Mailing to... advance registration form to be filed with the referendum agent prior to the voting period by any person...

Q-Switched and Mode Locked Short Pulses from a Diode Pumped, YB-Doped Fiber Laser

DTIC Science & Technology

2009-03-26

a rod-type photonic crystal fiber [14]. Commercial pulsed fiber laser systems currently offered by Polar Onyx range from 1-10 W, with pulse... Onyx , Fiber laser products http://www.polaronyx.com/Uranus_introduction.htm . 20. Business Wire Press Release, “SPI Lasers 30W pulsed fiber laser

31 CFR 356.23 - How are the auction results announced?

Code of Federal Regulations, 2014 CFR

2014-07-01

... 31 Money and Finance: Treasury 2 2014-07-01 2014-07-01 false How are the auction results announced...-93) Determination of Auction Awards; Settlement § 356.23 How are the auction results announced? (a) After the conclusion of the auction, we will announce the auction results through a press release that...

7 CFR 1280.631 - Results of the referendum.

Code of Federal Regulations, 2013 CFR

2013-01-01

... 7 Agriculture 10 2013-01-01 2013-01-01 false Results of the referendum. 1280.631 Section 1280.631... INFORMATION ORDER Procedures To Request a Referendum Definitions § 1280.631 Results of the referendum. (a) The... Administrator, AMS, shall tabulate the results of the ballots. USDA will issue an official press release...

7 CFR 1280.631 - Results of the referendum.

Code of Federal Regulations, 2010 CFR

2010-01-01

... 7 Agriculture 10 2010-01-01 2010-01-01 false Results of the referendum. 1280.631 Section 1280.631... INFORMATION ORDER Procedures To Request a Referendum Definitions § 1280.631 Results of the referendum. (a) The... Administrator, AMS, shall tabulate the results of the ballots. USDA will issue an official press release...

7 CFR 1280.631 - Results of the referendum.

Code of Federal Regulations, 2011 CFR

2011-01-01

... 7 Agriculture 10 2011-01-01 2011-01-01 false Results of the referendum. 1280.631 Section 1280.631... INFORMATION ORDER Procedures To Request a Referendum Definitions § 1280.631 Results of the referendum. (a) The... Administrator, AMS, shall tabulate the results of the ballots. USDA will issue an official press release...

7 CFR 1280.631 - Results of the referendum.

Code of Federal Regulations, 2014 CFR

2014-01-01

... 7 Agriculture 10 2014-01-01 2014-01-01 false Results of the referendum. 1280.631 Section 1280.631... INFORMATION ORDER Procedures To Request a Referendum Definitions § 1280.631 Results of the referendum. (a) The... Administrator, AMS, shall tabulate the results of the ballots. USDA will issue an official press release...

7 CFR 1280.631 - Results of the referendum.

Code of Federal Regulations, 2012 CFR

2012-01-01

... 7 Agriculture 10 2012-01-01 2012-01-01 false Results of the referendum. 1280.631 Section 1280.631... INFORMATION ORDER Procedures To Request a Referendum Definitions § 1280.631 Results of the referendum. (a) The... Administrator, AMS, shall tabulate the results of the ballots. USDA will issue an official press release...

42 CFR 53.111 - Services for persons unable to pay.

Code of Federal Regulations, 2010 CFR

2010-10-01

..., utilizing press releases or other appropriate means as the facility may desire to bring to the attention of... be made after the provision of such services in the case of a change in circumstances as a result of the illness or injury occasioning such services (e.g., the patient's financial condition has changed...

75 FR 25291 - Outer Continental Shelf (OCS) Mid-Atlantic Proposed Oil and Gas Lease Sale 220

Federal Register 2010, 2011, 2012, 2013, 2014

2010-05-07

... 27 at Elizabeth City State University Fine Arts Complex in Elizabeth City, North Carolina. These..., 1201 Elmwood Park Boulevard, New Orleans, LA 70123-2394, telephone (504) 736-3233. SUPPLEMENTARY... period and made announcements in a press release and other media. On January 7, 2009, MMS published a...

outreach | News

Science.gov Websites

. Photo: Elliott McCrory On March 3, 71 local high school students graduated from the winter session of Figures STEM program for local students February 20, 2018 | Sarah Lawhun After watching short videos on Students and teachers Media News Navbar Toggle Newsroom News and features Press releases Fermilab in the

Response-Specific Effects of Pain Observation on Motor Behavior

ERIC Educational Resources Information Center

Morrison, India; Poliakoff, Ellen; Gordon, Lucy; Downing, Paul

2007-01-01

How does seeing a painful event happening to someone else influence the observer's own motor system? To address this question, we measured simple reaction times following videos showing noxious or innocuous implements contacting corporeal or noncorporeal objects. Key releases in a go/nogo task were speeded, and key presses slowed, after subjects…

ACHP | News | ACHP and Department of Energy Streamline Section 106 Process

Science.gov Websites

Energy The ACHP and DOE are providing a prototype Programmatic Agreement for dealing with historic properties as part of Recovery Act projects. Press Release (PDF) Protoype Programmatic Agreement (PDF) When DOE approves the use of an existing state interagency agreement for Section 106 compliance purposes in

The Robotic Hugo E. Schwarz Telescope | CTIO

Science.gov Websites

Program PIA Program GO-FAAR Program Other Opportunities Tourism Visits to Tololo Astro tourism in Chile Tourism in Chile Information for travelers Visit Tololo Media Relations News Press Release Publications of a new electronic drive system for the mount, and the second, dedicate to re-design the dome

The LHC's Next Big Mystery

ERIC Educational Resources Information Center

Lincoln, Don

2015-01-01

When the sun rose over America on July 4, 2012, the world of science had radically changed. The Higgs boson had been discovered. Mind you, the press releases were more cautious than that, with "a new particle consistent with being the Higgs boson" being the carefully constructed phrase of the day. But, make no mistake, champagne corks…

Punishing Kids: The Rise of the "Boot Camp"

ERIC Educational Resources Information Center

Mills, Martin; Pini, Barbara

2015-01-01

This paper is concerned with the rise of 'the boot camp' as a means of addressing "the problem of troubled youth" in contemporary industrialised nations such as Australia and the UK. Drawing on a corpus of publicly available material including press releases and policy documents, media reports, and programme websites, the paper explores…

77 FR 62257 - Draft Environmental Impact Statement for the Herring River Restoration Project, Cape Cod National...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-10-12

... Environmental Impact Statement for the Herring River Restoration Project, Cape Cod National Seashore... Herring River Restoration Project in Cape Cod National Seashore, Massachusetts. The DEIS provides a... a press release to area media. ADDRESSES: The DEIS for the Herring River Restoration Project will be...

ACHP | The Protection of Indian Sacred Sites

Science.gov Websites

signatories issued an action plan for implementation of the MOU and in March 2014, issued a progress report , Action Plan, Progress Report, and other information may be accessed by clicking the links below: 2016 Action Plan ACHP News Announcement Department of the Interior Press Release DOI/Forest Service Updates

Fermilab Library

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media Big Bang. Featured New eBooks The Black Book of Quantum Chromodynamics This book by Fermilab author at the LHC This book aims to give a broad organizational and strategic understanding of the nature of

Fermilab | Science | Fermilab and the Higgs Boson

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For Industry

Fermilab | Tritium at Fermilab | Tritium in Surface Water

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Home Contact Phone Book Fermilab at Work For Industry Jobs Interact Facebook Twitter Instagram Google

Fermilab | Science | Particle Accelerators | LHC and Future Accelerators

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Office of Science Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at

Fermilab | Tritium at Fermilab | Tritium in Sanitary Sewers

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Home Contact Phone Book Fermilab at Work For Industry Jobs Interact Facebook Twitter Instagram Google

Fermilab | Tritium at Fermilab | Kress Creek Results

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Science Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For

Fermilab | Tevatron | Tevatron Symposium | Organizing Committee

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium , Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For Industry Jobs Interact

Fermilab | Tevatron | Tevatron Symposium | Travel and Lodging

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Office of Science Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at

Fermilab | Science | Particle Accelerators | Fermilab's Accelerator Complex

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Science Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For

Fermilab | Tritium at Fermilab | Indian Creek Aerial View

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Office of Science Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at

Fermilab | Science | Inquiring Minds | Questions About Physics

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Science Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For

Fermilab | Tritium at Fermilab | Kress Creek Aerial View

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For Industry

Fermilab | Science | Particle Physics | Benefits of Particle Physics

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Home Contact Phone Book Fermilab at Work For Industry Jobs Interact Facebook Twitter Instagram Google

Fermilab | Science | Questions for the Universe

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Science Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For

ASK A Scientist | News

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media Scientist June 3, 2018, 1:00 pm Fermilab news Search Upcoming events May 27 Sun English Country Dancing Kuhn Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For Industry

Fermilab | Tritium at Fermilab | Ferry Creek Aerial View

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Security, Privacy, Legal Use of Cookies Quick Links Home Contact Phone Book Fermilab at Work For Industry

Fermilab | Science at Fermilab | Computing | Mass Storage

Science.gov Websites

Book Newsroom Newsroom News and features Press releases Photo gallery Fact sheets and brochures Media media Video of shutdown event Guest book Tevatron Impact June 11, 2012 About the symposium Symposium Cookies Quick Links Home Contact Phone Book Fermilab at Work For Industry Jobs Interact Facebook Twitter

Media Contacts | NOAA Gulf Spill Restoration

Science.gov Websites

Louisiana Mississippi Texas Region-wide Open Ocean Data Media & News Publications Press Releases Story Archive Home Media Contacts Media Contacts Media Contacts For general inquiries: gulfspill.restoration @noaa.gov Media Inquiries Alabama: Patti Powell, 334-242-3484, patti.powell@dcnr.alabama.gov Florida: Rachel

Common Core State Standards: I Wonder?

ERIC Educational Resources Information Center

Tienken, Christopher H.

2010-01-01

On June 1, 2009, the National Governors Association Center for Best Practices (NGA Center) and the Council of Chief State School Officers (CCSSO) issued a press release stating that 49 states and territories had joined the Common Core State Standards Initiative (CCSS). That initiative proposed that all states voluntarily adopt the same set of…

Thailand: Background and U.S. Relations

DTIC Science & Technology

2006-10-02

Capabilities Will Be Emphasized Instead of Numbers of Troops,” State Department Press Releases and Documents. August 16, 2004. 28 Kaplan , Robert D., “How We...LAOS MALAYSIA Andaman Sea Str ai t of Mal acca INDONESIA Gul f of Thai l and South Chi na Sea Phuket Hat Yai Pattani Yala Narathiwat Nakhon Ratchasima

46 CFR 184.510 - Recommended emergency broadcast instructions.

Code of Federal Regulations, 2010 CFR

2010-10-01

... NAME), (INSERT VESSEL'S NAME), (INSERT VESSEL'S CALL SIGN), OVER.” (5) Release the microphone button... VESSEL'S NAME & CALL SIGN).” (14) If your situation permits, stand by the radio to await further... 2182 kHz. (Channel 16 VHF and 2182 kHz on SSB are for emergency and calling purposes only.) (3) Press...

46 CFR 121.510 - Recommended emergency broadcast instructions.

Code of Federal Regulations, 2010 CFR

2010-10-01

... Immediate Danger to Life or Property. (4) Say: “THIS IS (INSERT VESSEL'S NAME), (INSERT VESSEL'S NAME), (INSERT VESSEL'S NAME), (INSERT VESSEL'S CALL SIGN), OVER.” (5) Release the microphone button briefly and... 16 VHF and 2182 kHz on SSB are for emergency and calling purposes only.) (3) Press microphone button...

OAS :: Press Releases

Science.gov Websites

General Assembly Governance H Human Development Human Rights I Indigenous Peoples Integral Development Scholarships School of Governance Science and Technology Social Development Summits of the Americas Sustainable : 1 2 Next » S-022/18 May 25, 2018 FACT SHEET: OAS School of Governance S-021/18 May 24, 2018 FACT

Upgraded Hubble Space Telescope Images

NASA Image and Video Library

2009-09-08

NASA Associate Administrator of the Science Mission Directorate Dr. Edward J. Weiler listens to a reporters question during a press conference where NASA released images from NASA's Hubble Space Telescope Wednesday, Sept. 9, 2009 at NASA Headquarters in Washington. The images were from four of the telescopes' six operating science instruments. Photo Credit: (NASA/Bill Ingalls)

A Qualitative Content Analysis of Information Dissemination during the Consolidation of Two Technical Colleges

ERIC Educational Resources Information Center

Drinnon, Charles

2017-01-01

This research examined the ways and means administration used to disseminate information concerning the consolidation of two technical colleges in the State of Georgia, USA. These means of information dissemination included press releases by the consolidating colleges and the Technical College System of Georgia (the system which the consolidating…

Discover Assessment and Restoration Data | NOAA Gulf Spill Restoration

Science.gov Websites

Louisiana Mississippi Texas Region-wide Open Ocean Data Media & News Publications Press Releases Story Archive Home Discover Assessment and Restoration Data Discover Assessment and Restoration Data During the course of the damage assessment, we collected a large amount of data to document the location and extent

Phase II DERP/ER Public Meeting | NOAA Gulf Spill Restoration

Science.gov Websites

Louisiana Mississippi Texas Region-wide Open Ocean Data Media & News Publications Press Releases Story ¢Â€Â“ 7:00 PM Open House 7:00 – 9:00 PM Meeting and Public CommentStart Time: 18:00Date: 2012-11

Press Releases | NOAA Gulf Spill Restoration

Science.gov Websites

- Deepwater Horizon Oil Spill Trustees Extend Gulf Restoration Comment Period to Feb. 19 June 06/05/2014 - Deepwater Horizon Oil Spill Trustees Invite Public Comment on $627 Million in Proposed Early Restoration Keynote Address on NOAA Science and the Gulf Oil Spill September 9/29/2010 - Resource Restoration Planning

Deepwater BP Oil Spill Natural Resource Damage Assessment Update | NOAA

Science.gov Websites

Publications Press Releases Story Archive Home Deepwater BP Oil Spill Natural Resource Damage Assessment Update Deepwater BP Oil Spill Natural Resource Damage Assessment Update share Posted on July 7, 2011 | Assessment and Early Restoration Restoration Area Title: Deepwater BP Oil Spill Natural Resource Damage

IAQ Tools for Schools Awards, 2000-2002.

ERIC Educational Resources Information Center

Environmental Protection Agency, Washington, DC.

This document provides descriptions of the 2000, 2001, and 2002 winners of the Environmental Protection Agency's Indoor Air Quality Tools for Schools Excellence Awards. The winners are considered to be national leaders in improving indoor air quality in schools. Also included are case studies for selected 2000 winners and a press release for the…

77 FR 10004 - C$ cMoney, Inc.; Order of Suspension of Trading

Federal Register 2010, 2011, 2012, 2013, 2014

2012-02-21

... SECURITIES AND EXCHANGE COMMISSION [File No. 500-1] C$ cMoney, Inc.; Order of Suspension of... current and accurate information concerning the securities of C$ cMoney, Inc. (``cMoney'') because of questions regarding the accuracy of assertions by cMoney, and by others, in press releases to investors and...

32 CFR 705.6 - Releasing public information material to the media.

Code of Federal Regulations, 2011 CFR

2011-07-01

... for questions without specific subject matter in mind, but the press should be clearly informed of the... should be present. (iv) Official spokesmen will be prepared to answer questions in a frank and candid... questions in advance. If this is considered advisable, as in cases where highly technical answers may be...

32 CFR 705.6 - Releasing public information material to the media.

Code of Federal Regulations, 2010 CFR

2010-07-01

... for questions without specific subject matter in mind, but the press should be clearly informed of the... should be present. (iv) Official spokesmen will be prepared to answer questions in a frank and candid... questions in advance. If this is considered advisable, as in cases where highly technical answers may be...

$627 Million Gulf Spill Restoration Plan Approved | NOAA Gulf Spill

Science.gov Websites

Publications Press Releases Story Archive Home $627 Million Gulf Spill Restoration Plan Approved $627 Million Gulf Spill Restoration Plan Approved Bird landing on water share Posted on October 3, 2014 | Assessment Gulf of Mexico early restoration projects since the oil spill. The restoration plan includes 44

78 FR 38298 - Ross Stores, Inc. et al., Provisional Acceptance of a Settlement Agreement and Order

Federal Register 2010, 2011, 2012, 2013, 2014

2013-06-26

... Agreement and the Order in a press release or other public notice (including but not limited to social media... series of various styles, models, and quantities of children's upper outerwear products with drawstrings..., the following: Children's Apparel Network, Ltd. (Children's Apparel) Young Hearts hooded sweater; Byer...

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

McDermott, Jason

This piece was requested from the editor of Science Careers after a press release from our communications group on a poster I recently presented that is entirely in comic form. The piece covers why I draw scientific comics and how I see it fitting in with my science career. I worked closely with Tom Rickey and Corydon Ireland on this piece

Recruitment and accrual of women in a randomized controlled trial of spinal manipulation.

PubMed

Cambron, J A

2001-02-01

To report on recruitment efforts and accrual rates for a nonmusculoskeletal chiropractic clinical trial. Information regarding the method of recruitment was collected for each individual who responded to an advertisement and completed an interviewer-administered telephone screening. A suburban chiropractic teaching clinic with recruitment efforts extending throughout the larger metropolitan area. A total of 2312 women were screened for participation and the advertisement source was noted for each. Of these, 138 women were recruited and fulfilled all study requirements. The numbers of responses and accrual rates were determined for 8 different recruitment methods: newspaper advertisements, community referrals, radio advertisements, community colleges, press releases, a community electronic sign, public television, and local posters. The most effective recruitment methods were newspaper advertisements, community referrals, and radio advertisements; the least effective methods were public television and local posters. The effort required for the recruitment of subjects was underestimated in this study. Based on the information gained, future recruitment methods for study participants will primarily focus on low-effort, high-yield methods such as newspaper and radio advertising, followed by press releases, campus electronic signs, and public television.

Trimethyltin-activated cyclooxygenase stimulates tumor necrosis factor-alpha release from glial cells through reactive oxygen species.

PubMed

Viviani, B; Corsini, E; Pesenti, M; Galli, C L; Marinovich, M

2001-04-15

Exposure of a primary culture of glial cells to the classical neurotoxicant trimethyltin (TMT) results in the release of prostaglandin (PG)E(2) and tumor necrosis factor (TNF)-alpha. Prior treatment of glial cells with either the nonspecific inhibitor of cyclooxygenase and lypoxygenase eicosatetraynoic acid (ETYA) or the cyclooxygenase inhibitor indomethacin completely prevented TMT-induced PGE(2) production and TNF-alpha release, suggesting a role for cyclooxygenase metabolites in TMT-induced TNF-alpha release. Exposure of glial cells to increasing concentrations of PGE(2) or other prostanoids did not increase TNF-alpha synthesis, while the presence of exogenous PGE(2) during treatment of glial cells with TMT actually suppressed TNF-alpha release. The activation of arachidonic acid metabolism produces reactive oxygen species (ROS). Scavenging of ROS by means of the antioxidant trolox prevented the TMT-induced release of TNF-alpha from glial cells, while indomethacin was found to suppress ROS formation induced by 1 microM TMT in glial cells. These results suggest that activation of arachidonic acid metabolism causes TNF-alpha release through the production of ROS rather than PGE(2). Indeed, PGE(2) may exert negative feedback on the release of TNF-alpha. Copyright 2001 Academic Press.

Effect of starter culture and turmeric on physico-chemical quality of carabeef pastirma.

PubMed

Maurya, P; Borpuzari, R N; Nath, D R; Nath, N C

2010-01-01

Carabeef samples were sliced, pressed, cured and divided into 6 groups. Starter cultures (Micrococcus varians M483 (MV), Staphylococcus carnosus (SC), Lactobacillus sakei (LS), M. varians M483+ Lb. sakei and Staph. carnosus + Lb. sakei) were inoculated at the dose of 10(6)-0(7)cfu/g and stored at 10 ± 1°C for 7 days. Uninoculated samples were maintained as control. Samples were then divided into 2 treatment groups. Samples of treatment 1 (T1) were smeared with a paste of turmeric followed by application of a thick layer of the paste of garlic, cumin, black pepper and red pepper whereas, samples of treatment 2 (T2) were applied with a thick layer of spices as above without turmeric. With the gradual fall in pH there was a reduction in water-holding capacity (WHC) of samples. The WHC of samples treated with SC+LS of T1 reduced to 6.3 ± 0.03 cm(2) and those inoculated with MV+LS of T2 to 6.2 ± 0.03 cm(2). The extract release volume (ERV) increased in all samples during storage. The least ERV of 11.7 and 11.6 ml were recorded in samples inoculated with MV of T1 and T2, respectively. The tyrosine (TV) and thiobarbituric acid (TBA) number of turmeric treated samples were significantly lower than non turmeric treated samples. The samples inoculated with LS had the least TV of 30.9 mg tyrosine/100 g of meat and TBA number of 0.06 mg manoladehyde/kg of meat. Samples inoculated with MV and LS of both T1 and T2 were better in physico-chemical qualities.

Advance Warning and Risk Evaluator (AWARE): Background, Preliminary Findings, and Way Ahead

DTIC Science & Technology

2013-02-12

in press). Guilt, shame , and suicidal ideation in a military outpatient clinical sample. Depression and Anxiety. Chairman of the Joint Chiefs of...Instruction 1308.3., DoD Physical Fitness and Body Fat Programs Procedures, November 5, 2002. DoD Instruction 1325.06., Handling Dissident and...press). Guilt, shame , and suicidal ideation in a military outpatient clinical sample. Depression and Anxiety. Chairman of the Joint Chiefs of Staff

Thermoelectric properties of n-type polycrystalline BixSb2-xTe3 alloys

NASA Technical Reports Server (NTRS)

Snyder, J.; Gerovac, N.; Caillat, T.

2002-01-01

(BixSbl-x)2Te3(.5 = x = .7) polycrystalline samples were synthesized using a combination of melting and powder metallurgy techniques. The samples were hot pressed in graphite dies and cut perpendicular and parallel to the pressing direction. Samples were examined by microprobe analysis to determine their atomic composition. The thermoelectric properties were measured at room temperature in both directions. These properties include Seebeck coefficient, thermal conductivity, electrical resistivity, and Hall effect. The thermoelectric figure-of-merit, ZT, was calculated fiom these properties.

[Preparing of Al2O3/ZrO2 composite dental ceramics through isostatic pressing technology].

PubMed

Liang, Xiao-Feng; Yin, Guang-Fu; Yang, Shi-Yuan; Wang, Jun-Xia

2006-08-01

To find out how to prepare high-density dental ceramics through isostatic pressing so that sintering shrinkage will be reduced. To prepare Al2O3/ZrO2 composite powder first, then to mold through dry-pressing, and to shape the green-body through isostatic pressing. The green-bodies were sintered at the temperature of 1 400 degrees C and kept at the temperature for different period of time (2 h, 3 h, 4 h). After that, the density and fracture strength were measured and the microstructure observed by scanning electron microscope (SEM). The sample product's density, line-shrinkage, and fracture strength of ceramics was rising with the sintering time lengthened. The sample product kept under the temperature of 1 400 degrees C for 4 hours, the fracture strength was (497.27 +/- 78.45) MPa and glass phase distributed evenly in the ceramics and the grains were integrated owing to the glass phase. The longer the sintering time, the more even the microstructure was. The sintering quality and the efficiency were improved through isostatic pressing.

On the release of cppxfel for processing X-ray free-electron laser images.

PubMed

Ginn, Helen Mary; Evans, Gwyndaf; Sauter, Nicholas K; Stuart, David Ian

2016-06-01

As serial femtosecond crystallography expands towards a variety of delivery methods, including chip-based methods, and smaller collected data sets, the requirement to optimize the data analysis to produce maximum structure quality is becoming increasingly pressing. Here cppxfel , a software package primarily written in C++, which showcases several data analysis techniques, is released. This software package presently indexes images using DIALS (diffraction integration for advanced light sources) and performs an initial orientation matrix refinement, followed by post-refinement of individual images against a reference data set. Cppxfel is released with the hope that the unique and useful elements of this package can be repurposed for existing software packages. However, as released, it produces high-quality crystal structures and is therefore likely to be also useful to experienced users of X-ray free-electron laser (XFEL) software who wish to maximize the information extracted from a limited number of XFEL images.

On the release of cppxfel for processing X-ray free-electron laser images

DOE PAGES

Ginn, Helen Mary; Evans, Gwyndaf; Sauter, Nicholas K.; ...

2016-05-11

As serial femtosecond crystallography expands towards a variety of delivery methods, including chip-based methods, and smaller collected data sets, the requirement to optimize the data analysis to produce maximum structure quality is becoming increasingly pressing. Herecppxfel, a software package primarily written in C++, which showcases several data analysis techniques, is released. This software package presently indexes images using DIALS (diffraction integration for advanced light sources) and performs an initial orientation matrix refinement, followed by post-refinement of individual images against a reference data set.Cppxfelis released with the hope that the unique and useful elements of this package can be repurposed formore » existing software packages. However, as released, it produces high-quality crystal structures and is therefore likely to be also useful to experienced users of X-ray free-electron laser (XFEL) software who wish to maximize the information extracted from a limited number of XFEL images.« less

Podcasting as an Effective Medium for Direct Science Communication and Outreach to the General Public

NASA Astrophysics Data System (ADS)

Haupt, R. J.; Padilla, A. J.; Wheatley, P.; Barnhart, C. J.

2015-12-01

A podcast is an audio program distributed online typically freely available through an RSS feed (essentially an on-demand internet radio show). This medium has grown steadily in listenership and popularity since its inception in the early 2000s, especially thanks to popular distribution platforms such as iTunes, and web-enabled listening devices (i.e. smart phones). In terms of science reporting, many high impact journals now produce podcasts to supplement their publications (e.g. Nature, Science, etc.). However, smaller and/or more specialized journals often can't afford to promote their content via podcasts, thus limiting their authors to rely on traditional media and press releases supplied by their colleges and universities. This is where independent or unaffiliated podcasts can fill an open niche: providing a platform for scientists to discuss their research in their own words aimed at a general audience. Traditional press releases often follow a similar pattern, and many science news outlets essentially report the press releases verbatim with little additional content or reporting from primary sources. Podcasts suffer from no such restrictions, and they can be as long and in-depth as the subject matter necessitates. Furthermore, many news outlets no longer employ dedicated science reporters. Science is covered, if at all, by reporters without specialized scientific knowledge or training. This deficit leads to a much higher potential for science news stories to be incorrectly reported, or misinterpreted by the general public. A podcast allows a lab group or department the opportunity to edit the content for brevity and clarity, affording scientists a better chance of getting their research presented to the public in an accurate and representative way. Finally, podcasts allow the public to hear the voice of the scientist, humanizing the hard work they do, and potentially positively influencing the way the public reacts to science as a discipline.

Thermal Reactivity Of Organic Molecules With Perchlorates And The Detection Of Organics In Mars Samples With SAM Onboard Curiosity Rover

NASA Astrophysics Data System (ADS)

Szopa, C.; Millan, M.; Buch, A.; Freissinet, C.; Guzman, M.; Glavin, D. P.; Mahaffy, P. R.; Navarro-Gonzalez, R.

2017-12-01

The search for organic molecules at the Mars surface is a key objective to assess the potential for habitability of the planet and to find biomarkers. Both the past Viking landers and the Curiosity rover of today carry onboard instruments based on gas chromatography coupled to mass spectrometry with the aim to analyze the content of organics present in soil or rock samples. These instruments analyze the volatile compounds released from the samples submitted to thermal or chemical treatments. Even though these sample preparation processes are commonly used on Earth for their efficient extraction of organic materials from mineral matrixes, the presence of oxychlorines recently discovered in the Mars soil [1, 2] makes the process for space applications more complex and the results more difficult to interpret. Indeed, the release of volatile inorganic reactive molecules from oxychlorines during the sample heating process induces reactions of chlorination and oxidation of the organic molecules. For this reason, in an effort to contribute to the interpretation of the results obtained with the Viking/GCMS, and the MSL/SAM experiment our team currently operates on Mars, we started to study systematically the thermal reactivity of a series of organic molecules, of interest for Mars and life purposes, mixed with oxychlorines either detected or potentially present in the soil of Mars [3]. In this presentation, we will mainly focus on two sets of results that were obtained while studying the reactivity of calcium perchlorates with polyaromatic hydrocarbons, amino acids and carboxylic acids under pyrolytic conditions similar to those used in the SAM experiment. First of all, we will show the dependence of reactivity on the temperature of sublimation and decomposition of the individual components in the mixture and, secondly, we will discuss the detection of aromatic chlorinated species by SAM in samples collected at the Cumberland site from the results obtained in this study. [1] Kounaves et al. (2010), JGR 115; [2] Glavin et al. (2013), JGR 181; [3] Sutter et al., JGR (in press);

Oil Spill Field Trial at Sea: Measurements of Benzene Exposure.

PubMed

Gjesteland, Ingrid; Hollund, Bjørg Eli; Kirkeleit, Jorunn; Daling, Per; Bråtveit, Magne

2017-07-01

Characterize personal exposure to airborne hydrocarbons, particularly carcinogenic benzene, during spill of two different fresh crude oils at sea. The study included 22 participants taking part in an «oil on water» field trial in the North Sea. Two types of fresh crude oils (light and heavy) were released six times over two consecutive days followed by different oil spill response methods. The participants were distributed on five boats; three open sampling boats (A, B, and C), one release ship (RS), and one oil recovery (OR) vessel. Assumed personal exposure was assessed a priori, assuming high exposure downwind and close to the oil slick (sampling boats), low exposure further downwind (100-200 m) and upwind from the oil slick (main deck of RS and OR vessel), and background exposure indoors (bridge of RS/OR vessel). Continuous measurements of total volatile organic compounds in isobutylene equivalents were performed with photoionization detectors placed in all five boats. Full-shift personal exposure to benzene, toluene, ethylbenzene, xylenes, naphthalene, and n-hexane was measured with passive thermal desorption tubes. Personal measurements of benzene, averaged over the respective sample duration, on Day 1 showed that participants in the sampling boats (A, B, and C) located downwind and close to the oil slick were highest exposed (0.14-0.59 ppm), followed by participants on the RS main deck (0.02-0.10 ppm) and on the bridge (0.004-0.03 ppm). On Day 2, participants in sampling boat A had high benzene exposure (0.87-1.52 ppm) compared to participants in sampling boat B (0.01-0.02 ppm), on the ships (0.06-0.10 ppm), and on the bridge (0.004-0.01 ppm). Overall, the participants in the sampling boats had the highest exposure to all of the compounds measured. The light crude oil yielded a five times higher concentration of total volatile organic compounds in air in the sampling boats (max 510 ppm) than the heavy crude oil (max 100 ppm) but rapidly declined to <20 ppm within 24 min after release of oil, indicating short periods of exposure. The personal exposure to benzene downwind and close to the oil slick during spills of light crude oil was relatively high, with concentration levels approaching the occupational exposure limits for several participants. For bulk spill scenarios like in this study, cleanup should not be initiated the first 30-60 min to allow for evaporation, while appropriate personal protective equipment should be used in continuous spills when working downwind and close to the oil slick. © The Author 2017. Published by Oxford University Press on behalf of the British Occupational Hygiene Society.

Imaging powders with the atomic force microscope: from biominerals to commercial materials.

PubMed

Friedbacher, G; Hansma, P K; Ramli, E; Stucky, G D

1991-09-13

Atomically resolved images of pressed powder samples have been obtained with the atomic force microscope (AFM). The technique was successful in resolving the particle, domain, and atomic structure of pismo clam (Tivela stultorum) and sea urchin (Strongylocentrotus purpuratus) shells and of commercially available calcium carbonate (CaCO(3)) and strontium carbonate (SrCO(3)) powders. Grinding and subsequent pressing of the shells did not destroy the microstructure of these materials. The atomic-resolution imaging capabilities of AFM can be applied to polycrystalline samples by means of pressing powders with a grain size as small as 50 micrometers. These results illustrate that the AFM is a promising tool for material science and the study of biomineralization.

[Preparation of ondansetron hydrochloride osmotic pump tablets and their in vitro drug release].

PubMed

Zheng, Hang-sheng; Bi, Dian-zhou

2005-12-01

To prepare ondansetron hydrochloride osmotic pump tablets (OND-OPT) and investigate their in vitro drug release behavior. OND-OPT were prepared with a single punch press and pan coating technique. Osmotic active agents and plasticizer of coating film were chosen by drug release tests. The effects of the number, position and direction of drug release orifice on release behavior were investigated. The relation between drug release duration and thickness of coating film, PEG content of coating film and size of drug release orifice was established by uniform design experiment. The surface morphological change of coating film before and after drug release test was observed by scanning electron microscopy. The osmotic pumping release mechanism of OND-OPT was confirmed by drug release test with high osmotic pressure medium. Lactose-mannitol (1:2) was chosen as osmotic active agents and PEG400 as plasticizer of coating film. The direction of drug release orifice had great effect on the drug release of OND-OPT without HPMC, and had no effect on the drug release of OND-OPT with HPMC. The OND-OPT with one drug release orifice at the centre of the coating film on one surface of tablet released their drug with little fluctuation. The drug release duration of OND-OPT correlated with thickness of coating film and PEG content of coating film, and didn't correlate significantly with the size of drug release orifice. OND-OPT released their drug with osmotic pumping mechanism predominantly. OND-OPT are able to realize ideal controlled drug release.

Biaxial flexural strength and microstructure changes of two recycled pressable glass ceramics.

PubMed

Albakry, Mohammad; Guazzato, Massimiliano; Swain, Michael Vincent

2004-09-01

This study evaluated the biaxial flexural strength and identified the crystalline phases and the microstructural features of pressed and repressed materials of the glass ceramics, Empress 1 and Empress 2. Twenty pressed and 20 repressed disc specimens measuring 14 mm x 1 mm per material were prepared following the manufacturers' recommendations. Biaxial flexure (piston on 3-ball method) was used to assess strength. X-ray diffraction was performed to identify the crystalline phases, and a scanning electron microscope was used to disclose microstructural features. Biaxial flexural strength, for the pressed and repressed specimens, respectively, were E1 [148 (SD 18) and 149 (SD 35)] and E2 [340 (SD 40), 325 (SD 60)] MPa. There was no significant difference in strength between the pressed and the repressed groups of either material, Empress 1 and Empress 2 (p > 0.05). Weibull modulus values results were E1: (8, 4.7) and E2: (9, 5.8) for the same groups, respectively. X-ray diffraction revealed that leucite was the main crystalline phase for Empress 1 groups, and lithium disilicate for Empress 2 groups. No further peaks were observed in the X-ray diffraction patterns of either material after repressing. Dispersed leucite crystals and cracks within the leucite crystals and glass matrix were features observed in Empress 1 for pressed and repressed samples. Similar microstructure features--dense lithium disilicate crystals within a glass matrix--were observed in Empress 2 pressed and repressed materials. However, the repressed material showed larger lithium disilicate crystals than the singly pressed material. Second pressing had no significant effect on the biaxial flexural strength of Empress 1 or Empress 2; however, higher strength variations among the repressed samples of the materials may indicate less reliability of these materials after second pressing.

Effect of roll hot press temperature on crystallite size of PVDF film

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

Hartono, Ambran, E-mail: ambranhartono@yahoo.com; Sanjaya, Edi; Djamal, Mitra

2014-03-24

Fabrication PVDF films have been made using Hot Roll Press. Preparation of samples carried out for nine different temperatures. This condition is carried out to see the effect of Roll Hot Press temperature on the size of the crystallite of PVDF films. To obtain the diffraction pattern of sample characterization is performed using X-Ray Diffraction. Furthermore, from the diffraction pattern is obtained, the calculation to determine the crystallite size of the sample by using the Scherrer equation. From the experimental results and the calculation of crystallite sizes obtained for the samples with temperature 130 °C up to 170 °C respectivelymore » increased from 7.2 nm up to 20.54 nm. These results show that increasing temperatures will also increase the size of the crystallite of the sample. This happens because with the increasing temperature causes the higher the degree of crystallization of PVDF film sample is formed, so that the crystallite size also increases. This condition indicates that the specific volume or size of the crystals depends on the magnitude of the temperature as it has been studied by Nakagawa.« less

How getting news coverage REALLY works

NASA Astrophysics Data System (ADS)

Divis, D.

How do you get media attention for your work? Why does some research get extensive news coverage while other worthy studies are ignored? This paper gives an insider's look at the real world of the news from the perspective of a veteran space reporter who now directs the worldwide science and technology coverage at United Press International. Among the topics discussed will be: what makes a story newsworthy, why timing is important, the reality of news deadlines and how to make press releases more effective. The presentation examines the different roles of reporters and editors, how best to work with them and how to meet the widely varying needs of the different types of media outlets.

"I Am Chelsea Manning": Comparison of Gendered Representation of Private Manning in U.S. and International News Media.

PubMed

Hackl, Andrea M; Becker, Amy B; Todd, Maureen E

2016-01-01

On August 22, 2013, Bradley Manning released a statement requesting to be referred to as female. In the following days, the news media discussed whether language should shift toward a female representation. Using quantitative content analysis and qualitative contextual analysis, this study analyzed whether U.S. and international newspapers (N = 197) acknowledged Manning's request to be referred to as "Chelsea" in the two weeks after the statement. Results suggest that the mainstream press was hesitant in shifting toward a female representation. A comparison of international and U.S. newspapers suggests that the U.S. press lagged behind international coverage using a female depiction.

Characterization of the Protein Crystal Growth Apparatus for Microgravity Aboard the Space Station

NASA Technical Reports Server (NTRS)

Kundrot, Craig E.; Roeber, D.; Achari, A.; Stinson, Thomas N. (Technical Monitor)

2002-01-01

We have conducted experiments to determine the equilibration rates of some major precipitants used in protein crystallography aboard the International Space Station (ISS). The solutions were placed in the Protein Crystallization Apparatus for Microgravity (PCAM) which mimic Cryschem sitting drop trays. The trays were placed in cylinders. These cylinders were placed inside a Single locker Thermal Enclosure System (STES), and were activated for different durations during the flight. Bumpers pressed against elastomers seal drops in a deactivated state during pre-flight and prior to transfer to the ISS. Activation occurs while in flight on the ISS by releasing the bumpers allowing the drops to be exposed to the reservoir. PCAM was flown to the ISS on STS 100, Flight 6A, on April 19, 2001. Six series of equilibration experiments were tested for each precipitant with a small amount of Green Fluorescent Protein (GFP). Cylinder 10 was never activated, 7 was activated for 40 days, 8 was activated for 20 days, 9 was activated for 10 days, 11 was activated for 4 days and 12 was activated for 2 days. Upon the return to Earth by STS 104 on July 24,2001 the samples were transferred to Marshall Space Flight Center. The samples were then brought to the lab and the volumes of each sample were measured.

EEG alpha activity and hallucinatory experience during sensory deprivation.

PubMed

Hayashi, M; Morikawa, T; Hori, T

1992-10-01

The relationship between hallucinatory experiences under sensory deprivation and EEG alpha activities was studied. Each of seven male students lived alone in an air conditioned, soundproof dark room for 72 hours. When hallucinatory experiences occurred, the students pressed a button at once. If they could not press the button during the experience, they were required to press it two times when the hallucinatory experience was finished. Spectral analysis was performed on the consecutive EEG samples from just before button-presses to 10 min. before them, and the average alpha band amplitudes were obtained for the four epochs (0-.5, .5-2, 2-5, 5-10 min.). For the single button-presses, the amplitude of alpha band increased 2 min. before the button-presses. Right-hemisphere EEG activation was observed in the occipital area for the double button-presses. The results suggest an association between the hallucinatory experiences under sensory deprivation and the amount of EEG alpha activity.

PEG modulated release of etanidazole from implantable PLGA/PDLA discs.

PubMed

Wang, Fangjing; Lee, Timothy; Wang, Chi-Hwa

2002-09-01

In this work, etanidazole (one type of hypoxic radiosensitizer) is encapsulated into spray dried poly(D),L-lactide-co-glycolide) (PLGA) microspheres and then compressed into discs for controlled release applications. Etanidazole is characterized by intracellular glutathione depletion and glutathione transferases inhibition, thereby enhancing sensitivity to radiation. It is also cytotoxic to tumor cells and can chemosensitize some alkylating agents by activating their tumor cell killing capabilities. We observed the release characteristics of etanidazole in the dosage forms of microspheres and discs, subjected to different preparation conditions. The release characteristics, morphology changes, particle size, and encapsulation efficiency of microspheres are also investigated. The release rate of etanidazole from implantable discs (13 mm in diameter, 1 mm in thickness, fabricated by a press) is much lower than microspheres due to the reduced specific surface. After the initial burst of 1% release for the first day, the cumulative release within the first week is less than 2% until a secondary burst of release (caused by polymer degradation) occurs after one month. Some key preparation conditions such as drug loadings, disc thickness and diameter, and compression pressure can affect the initial burst of etanidazole from the discs. However, none of them can significantly make the release more uniform. In contrast, the incorporation of polyethylene glycol (PEG) can greatly enhance the release rate of discs and also reduces the secondary burst effect, thereby achieving a sustained release for about 2 months.