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Sample records for 10th grade biology

  1. Using diagrams versus text for spaced restudy: Effects on learning in 10th grade biology classes.

    PubMed

    Bergey, Bradley W; Cromley, Jennifer G; Kirchgessner, Mandy L; Newcombe, Nora S

    2015-03-01

    Spaced restudy has been typically tested with written learning materials, but restudy with visual representations in actual classrooms is under-researched. We compared the effects of two spaced restudy interventions: A Diagram-Based Restudy (DBR) warm-up condition and a business-as-usual Text-Based Restudy (TBR) warm-up condition. One hundred and twenty-eight consented high school students in 15 classes. Students completed daily warm-ups over a 4-week period. Students were randomly assigned to conditions within classrooms. Warm-ups were independently completed at the start of class meetings and consisted of questions about content covered 1-10 days prior to each warm-up. Students received feedback on their answers each week. A series of ANOVAs and ANCOVAs was conducted. Results showed equal and significant growth from pre- to post-test for both conditions (d = .31-.67) on three outcomes: Biology knowledge, biology diagram comprehension (near transfer), and geology diagram comprehension (far transfer). ANCOVA results suggested that the magnitude of this increase was linked to the number of questions attempted during the intervention. For the DBR condition only, there were interactions with content knowledge on diagram comprehension gain scores and interactions with spatial scores on biology knowledge gain scores. Students with lower biology knowledge and lower Paper Folding Test scores were disadvantaged in the DBR condition, whereas the TBR condition was equitable across all levels of knowledge and spatial ability. © 2014 The British Psychological Society.

  2. Interests of 5th through 10th Grade Students toward Human Biology

    ERIC Educational Resources Information Center

    Erten, Sinan

    2008-01-01

    This study investigated the middle and high school students' interests towards the subjects of human biology, specifically, "Human Health and Nutrition" and "Human Body and Organs." The study also investigated sources of their interests and factors that impact their interests, namely people that they interact and courses that…

  3. Interests of 5th through 10th Grade Students toward Human Biology

    ERIC Educational Resources Information Center

    Erten, Sinan

    2008-01-01

    This study investigated the middle and high school students' interests towards the subjects of human biology, specifically, "Human Health and Nutrition" and "Human Body and Organs." The study also investigated sources of their interests and factors that impact their interests, namely people that they interact and courses that…

  4. Growth: How Much is Too Much? Student Book. Science Module (9th-10th Grade Biology). Revised Edition.

    ERIC Educational Resources Information Center

    Georgia Univ., Athens. Coll. of Education.

    This learning module is designed to integrate environmental education into ninth- and tenth-grade chemistry classes. This module and a companion social studies module were pilot tested in Gwinnett County, Georgia in 1975-76. The module is divided into four parts. Part one provides a broad overview of unit content and proposes questions to…

  5. Growth: How Much is Too Much? Student Book. Science Module (9th-10th Grade Biology). Revised Edition.

    ERIC Educational Resources Information Center

    Georgia Univ., Athens. Coll. of Education.

    This learning module is designed to integrate environmental education into ninth- and tenth-grade chemistry classes. This module and a companion social studies module were pilot tested in Gwinnett County, Georgia in 1975-76. The module is divided into four parts. Part one provides a broad overview of unit content and proposes questions to…

  6. Successes with Reversing the Negative Student Attitudes Developed in Typical Biology Classes for 8th and 10th Grade Students

    ERIC Educational Resources Information Center

    Hacieminoglu, Esme; Ali, Mohamed Moustafa; Oztas, Fulya; Yager, Robert E.

    2016-01-01

    The purpose of this study is to compare changes in attitudes of students about their study of biology in the classes thought by five biology teachers who experienced an Iowa Chautauqua workshop with and two non-Chautauqua teachers who had no experience with any professional development program. The results indicated that there are significant…

  7. Successes with Reversing the Negative Student Attitudes Developed in Typical Biology Classes for 8th and 10th Grade Students

    ERIC Educational Resources Information Center

    Hacieminoglu, Esme; Ali, Mohamed Moustafa; Oztas, Fulya; Yager, Robert E.

    2016-01-01

    The purpose of this study is to compare changes in attitudes of students about their study of biology in the classes thought by five biology teachers who experienced an Iowa Chautauqua workshop with and two non-Chautauqua teachers who had no experience with any professional development program. The results indicated that there are significant…

  8. Marijuana Use Among 10th Grade Students - Washington, 2014.

    PubMed

    Shah, Anar; Stahre, Mandy

    2016-12-30

    Some studies have suggested that long-term, regular use of marijuana starting in adolescence might impair brain development and lower intelligence quotient (1,2). Since 2012, purchase of recreational or retail marijuana has become legal for persons aged ≥21 years in the District of Columbia, Alaska, California, Colorado, Maine, Massachusetts, Nevada, Oregon, and Washington, raising concern about increased marijuana access by youths. The law taxing and regulating recreational or retail marijuana was approved by Washington voters in 2012 and the first retail licenses were issued in July 2014; medical marijuana use has been legal since 1998. To examine the prevalence, characteristics, and behaviors of current marijuana users among 10th grade students, the Washington State Department of Health analyzed data from the state's 2014 Healthy Youth Survey (HYS) regarding current marijuana use. In 2014, 18.1% of 10th grade students (usually aged 15-16 years) reported using marijuana during the preceding 30 days; of these students, 32% reported using it on ≥10 days. Among the marijuana users, 65% reported obtaining marijuana through their peer networks, which included friends, older siblings, or at a party. Identification of comprehensive and sustainable public health interventions are needed to prevent and reduce youth marijuana use. Establishment of state and jurisdiction surveillance of youth marijuana use could be useful to anticipate and monitor the effects of legalization and track trends in use before states consider legalizing recreational or retail marijuana.

  9. How does a high school biology teacher interact with his 10th grade students?: Examining science talk in evolution and human genetics instruction from a sociolinguistics perspective

    NASA Astrophysics Data System (ADS)

    Avsar Erumit, Banu

    This qualitative study employed a case study design (Creswell, 2014) with a high school biology teacher to examine a) the types of discourse patterns that a high school teacher was using in evolution and human genetics units, b) the purposes and cognitive features of the teacher's questions, their impact on students' subsequent responses, and the types of teacher follow ups occurred in these two units, and c) the factors that I thought might be somehow influencing the teaching and learning of these two topics in this classroom. The findings showed that lecture and recitation were the two most frequently used discourse types in the two units. Guided discussion and guided small group work in which students' ideas and questions were more welcomed than in lecture and recitation, were used only in the evolution unit, which was also unit in which the teacher used hands-on activities. In the human genetics unit, he only used worksheet-based activities, which he called paper and pencil labs. Teacher questions were posed mainly to assess the correctness of students' factual knowledge, remind them of previously covered information, and check with students to clarify the meaning of their utterances or their progress on a task. The two primary types of cognitive processes associated with students' responses were recall information and evaluate teacher's questions, mostly with a short response. The most frequently heard voice in the classroom was teacher's. Whole class interactions did not feature equal participation as some much more engaged students dominated. The results of the teacher questionnaires. teacher interviews, teacher debriefings, and lesson observations showed that Evan had an informed understanding of NOS, a high level of acceptance of evolution, and adequate understanding of evolution. The factors that seemed to negatively influence his teaching and students' engagement in that classroom included but not limited to the teacher's lack of experience in teaching

  10. Predicting 10th Grade FCAT Success. Research Brief. Volume 0401

    ERIC Educational Resources Information Center

    Froman, Terry; Bayne, Joseph

    2004-01-01

    Florida law requires that students achieve a passing score on the Grade 10 Florida Comprehensive Assessment Test (FCAT) to qualify for a standard high school diploma (Section 1008.22(3)(c)5, Florida Statutes). Students who were administered the Grade 10 FCAT for the first time during the 2002 administrations or later must earn a developmental…

  11. An Early Warning System: Predicting 10th Grade FCAT Success from 6th Grade FCAT Performance. Research Brief. Volume 0711

    ERIC Educational Resources Information Center

    Froman, Terry; Brown, Shelly; Lapadula, Maria

    2008-01-01

    This Research Brief presents a method for predicting 10th grade Florida Comprehensive Assessment Test (FCAT) success from 6th grade FCAT performance. A simple equation provides the most probable single score prediction, and give-or-take error margins define high and low probability zones for expected 10th grade scores. In addition, a double-entry…

  12. Project TALENT's Nonrespondent Follow-up Survey: The 10th Grade Special Sample. Interim Report.

    ERIC Educational Resources Information Center

    Carrel, Kathleen S.; And Others

    Described are procedures used in the location of a sample of individuals not responding to follow-up questionnaires, eleven years after they were originally interviewed in 1960 as 10th graders. The individuals in question were a subset of more than 400,000 9th, 10th, 11th and 12th grade students used in Project TALENT's longitudinal study of the…

  13. The Effect of Case-Based Instruction on 10th Grade Students' Understanding of Gas Concepts

    ERIC Educational Resources Information Center

    Yalçinkaya, Eylem; Boz, Yezdan

    2015-01-01

    The main purpose of the present study was to investigate the effect of case-based instruction on remedying 10th grade students' alternative conceptions related to gas concepts. 128 tenth grade students from two high schools participated in this study. In each school, one of the classes was randomly assigned as the experimental group and the other…

  14. The Effect of Case-Based Instruction on 10th Grade Students' Understanding of Gas Concepts

    ERIC Educational Resources Information Center

    Yalçinkaya, Eylem; Boz, Yezdan

    2015-01-01

    The main purpose of the present study was to investigate the effect of case-based instruction on remedying 10th grade students' alternative conceptions related to gas concepts. 128 tenth grade students from two high schools participated in this study. In each school, one of the classes was randomly assigned as the experimental group and the other…

  15. Picture Books as Mentor Texts for 10th Grade Struggling Writers

    ERIC Educational Resources Information Center

    Premont, David Willett; Young, Terrell A.; Wilcox, Brad; Dean, Deborah; Morrison, Timothy G.

    2017-01-01

    The purpose of this study was to determine if picture books in high school classrooms could enhance word choice, sentence fluency, and conventions. Previous research has not fully considered employing picture books as mentor texts in high schools. Twelve participants from two low-performing 10th grade English classes were identified as low-,…

  16. Classroom Achievement Goal Structure, School Engagement, and Substance Use among 10th Grade Students in Norway

    ERIC Educational Resources Information Center

    Diseth, Åge; Samdal, Oddrun

    2015-01-01

    The present study was aimed at investigating the relationships between students' perceived classroom achievement goals, school engagement and substance use in terms of smoking and drinking, and at investigating gender differences regarding these issues in a sample of 1,239 Norwegian 10th grade students. A multivariate analysis showed that…

  17. Problem-Based Learning Method: Secondary Education 10th Grade Chemistry Course Mixtures Topic

    ERIC Educational Resources Information Center

    Üce, Musa; Ates, Ismail

    2016-01-01

    In this research; aim was determining student achievement by comparing problem-based learning method with teacher-centered traditional method of teaching 10th grade chemistry lesson mixtures topic. Pretest-posttest control group research design is implemented. Research sample includes; two classes of (total of 48 students) an Anatolian High School…

  18. A Structural Model of Student Career Aspiration and Science Education: The 10th Grade Investigation.

    ERIC Educational Resources Information Center

    Wang, Jianjun; Turner, Dianne

    Career aspiration is an important factor articulating student academic preparation and career orientation. On the basis of H. Walberg's educational productivity theory, 10th grade national data from the Longitudinal Study of American Youth have been analyzed to examine structural relations between educational productivity and career aspiration in…

  19. Changes in Math Proficiency between 8th and 10th Grades. Statistics in Brief.

    ERIC Educational Resources Information Center

    Rock, Don; And Others

    Between 8th and 10th grades, many students are asked to make curriculum-related decisions that may ultimately influence their achievement in core academic subjects such as mathematics. While past achievement often limits the level of courses available to a student, aspirations for postsecondary education ultimately determine the level of…

  20. Predicting 3rd Grade and 10th Grade FCAT Success for 2006-07. Research Brief. Volume 0601

    ERIC Educational Resources Information Center

    Froman, Terry; Rubiera, Vilma

    2006-01-01

    For the past few years the Florida School Code has set the Florida Comprehensive Assessment Test (FCAT) performance requirements for promotion of 3rd graders and graduation for 10th graders. Grade 3 students who do not score at level 2 or higher on the FCAT SSS Reading must be retained unless exempted for special circumstances. Grade 10 students…

  1. Development of 10th Grade Norms for the ASVAB (Armed Services Vocational Aptitude Battery).

    DTIC Science & Technology

    1987-05-01

    OPERATIO D R DIVOI ET AL UNCLASSIFIED MAY 87 CRC-562 N88814-87-C-088i F/G 5 /8 NL. EIh EE EEEnhEhhEEEjhh *i ""’ 1. LI.2 IIuu, - 11111-112.2 02. 1125I...APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED. 41 "ERFORMING ORGANIZA71ON REPORT %uM8ER(S) 5 . MONITORING ORGANIZATION REPORT NU MBER(S) CRC 562 ASa...copies) ’ 5 ’, Si S .. j’- , CRC 562 /May 1987 DEVELOPMENT OF 10TH GRADE NORMS FOR THE ASVAB D- R. Divgi Gary E. Home Marine Corps Operations Analysis Group

  2. The Implementation of Effective Teaching Practices in English Classroom for Grades 8th, 9th, and 10th.

    ERIC Educational Resources Information Center

    Al-Hilawani, Yasser A.; And Others

    This study explored teachers' behavior as related to effective teaching practices in 8th, 9th, and 10th grade English classrooms in Jordan. The study also examined some variables that could predict teachers' implementation of effective teaching practices and aimed at finding an estimate of the percentage of students in 8th, 9th, and 10th grades…

  3. Does STES-Oriented Science Education Promote 10th-Grade Students' Decision-Making Capability?

    NASA Astrophysics Data System (ADS)

    Levy Nahum, Tami; Ben-Chaim, David; Azaiza, Ibtesam; Herskovitz, Orit; Zoller, Uri

    2010-07-01

    Today's society is continuously coping with sustainability-related complex issues in the Science-Technology-Environment-Society (STES) interfaces. In those contexts, the need and relevance of the development of students' higher-order cognitive skills (HOCS) such as question-asking, critical-thinking, problem-solving and decision-making capabilities within science teaching have been argued by several science educators for decades. Three main objectives guided this study: (1) to establish "base lines" for HOCS capabilities of 10th grade students (n = 264) in the Israeli educational system; (2) to delineate within this population, two different groups with respect to their decision-making capability, science-oriented (n = 142) and non-science (n = 122) students, Groups A and B, respectively; and (3) to assess the pre-post development/change of students' decision-making capabilities via STES-oriented HOCS-promoting curricular modules entitled Science, Technology and Environment in Modern Society (STEMS). A specially developed and validated decision-making questionnaire was used for obtaining a research-based response to the guiding research questions. Our findings suggest that a long-term persistent application of purposed decision-making, promoting teaching strategies, is needed in order to succeed in affecting, positively, high-school students' decision-making ability. The need for science teachers' involvement in the development of their students' HOCS capabilities is thus apparent.

  4. Attitudes towards Science Learning among 10th-Grade Students: A qualitative look

    NASA Astrophysics Data System (ADS)

    Raved, Lena; Ben Zvi Assaraf, Orit

    2011-06-01

    The twenty-first century is characterized by multiple, frequent and remarkable scientific advancements, which have a major effect on the decisions that govern everyday life. It is therefore vital to give proper comprehensive scientific education to the population and provide it with the right tools for decision-making. This in turn requires that we foster a positive attitude among students towards science studies and encourage them to choose sciences as their major subjects. The following study examines 10th-grade high school students in an attempt to understand and document the influential factors underlying their attitudes towards science studies. The study is conducted through a qualitative research methodology, gathering data based on interviews. This methodology exposes the students' feelings, views and beliefs, and explores the characteristics of the factors influencing students' attitudes. Of these factors, we found the most significant for high school students to be interpersonal interaction between teacher and student, the relevance and authenticity of the topics being studied, and the diversity of the teaching methods. We therefore suggest that these three elements should be given particular emphasis by teachers and teacher educators.

  5. Progression in Complexity: Contextualizing Sustainable Marine Resources Management in a 10th Grade Classroom

    NASA Astrophysics Data System (ADS)

    Bravo-Torija, Beatriz; Jiménez-Aleixandre, María-Pilar

    2012-01-01

    Sustainable management of marine resources raises great challenges. Working with this socio-scientific issue in the classroom requires students to apply complex models about energy flow and trophic pyramids in order to understand that food chains represent transfer of energy, to construct meanings for sustainable resources management through discourse, and to connect them to actions and decisions in a real-life context. In this paper we examine the process of elaboration of plans for resources management in a marine ecosystem by 10th grade students (15-16 year) in the context of solving an authentic task. A complete class ( N = 14) worked in a sequence about ecosystems. Working in small groups, the students made models of energy flow and trophic pyramids, and used them to solve the problem of feeding a small community for a long time. Data collection included videotaping and audiotaping of all of the sessions, and collecting the students' written productions. The research objective is to examine the process of designing a plan for sustainable resources management in terms of the discursive moves of the students across stages in contextualizing practices, or different degrees of complexity (Jiménez-Aleixandre & Reigosa International Journal of Science Education, 14(1): 51-61 2006), understood as transformations from theoretical statements to decisions about the plan. The analysis of students' discursive moves shows how the groups progressed through stages of connecting different models, between them and with the context, in order to solve the task. The challenges related to taking this sustainability issue to the classroom are discussed.

  6. School Climate and the Relationship to Student Learning of Hispanic 10th Grade Students in Arizona Schools

    ERIC Educational Resources Information Center

    Nava Delgado, Mauricio

    2011-01-01

    This study provided an analysis of Hispanic 10th grade student academic achievement in the areas of mathematics, reading and writing as measured by the Arizona's Instrument to Measure Standards. The study is based on data of 163 school districts and 25,103 (95%) students in the state of Arizona as published by the Arizona Department of Education.…

  7. Context Effects in Norwegian 10th-Grade Students' Reports on Learning Strategies Using the Cross-Curricular Competencies Instrument

    ERIC Educational Resources Information Center

    Samuelstuen, Marit S.; Braten, Ivar; Valas, Harald

    2007-01-01

    This study examined contextual effects in Norwegian 10th-grade students' reports on cognitive and metacognitive strategies when using the Cross-Curricular Competencies (CCC) instrument. The CCC was first administered as the final task in a long (three-hour) testing session in the Organisation for Economic Co-operation and Development Program for…

  8. Investigating the Effects of a DNA Fingerprinting Workshop on 10th Grade Students' Self Efficacy and Attitudes toward Science.

    ERIC Educational Resources Information Center

    Sonmez, Duygu; Simcox, Amanda

    The purpose of this study was investigate the effects of a DNA Fingerprinting Workshop on 10th grade students' self efficacy and attitudes toward science. The content of the workshop based on high school science curriculum and includes multimedia instruction, laboratory experiment and participation of undergraduate students as mentors. N=93…

  9. Focus on Mentee-Mentor Relationships: The 10th Grade Implementation of iMentor's College Ready Program. Technical Appendices

    ERIC Educational Resources Information Center

    Merrill, Lisa; Kang, David; Siman, Nina; Soltani, Jasmine

    2016-01-01

    This document presents the technical appendices that accompany the full report entitled:"Focus on Mentee-Mentor Relationships: The 10th Grade Implementation of iMentor's College Ready Program." The appendices include: (1) Mentor Survey Construct Items; (2) Qualative Data Collection and Analysis Methods; and (3) Methods for Estimating the…

  10. School Climate and the Relationship to Student Learning of Hispanic 10th Grade Students in Arizona Schools

    ERIC Educational Resources Information Center

    Nava Delgado, Mauricio

    2011-01-01

    This study provided an analysis of Hispanic 10th grade student academic achievement in the areas of mathematics, reading and writing as measured by the Arizona's Instrument to Measure Standards. The study is based on data of 163 school districts and 25,103 (95%) students in the state of Arizona as published by the Arizona Department of Education.…

  11. Influence of V-Diagrams on 10th Grade Turkish Students' Achievement in the Subject of Mechanical Waves

    ERIC Educational Resources Information Center

    Tekes, Hanife; Gonen, Selahattin

    2012-01-01

    The purpose of the present study was to examine how the use of V-diagrams one of the learning techniques used in laboratory studies in experiments conducted regarding the 10th grade lesson unit of "waves" influenced students' achievements. In the study, a quasi-experimental design with a pretest and posttest control group was used. The…

  12. A Comparative Analysis of the Intended Curriculum and Its Presentation in 10th Grade Chemistry Textbooks from Seven Arabic Countries

    ERIC Educational Resources Information Center

    Khaddoor, Rouba; Al-Amoush, Siham; Eilks, Ingo

    2017-01-01

    This study investigates the nature of intended secondary chemistry curricula, as they are represented by chemistry textbooks, from seven Arabic countries: Algeria, Egypt, Jordan, Kuwait, Palestine, Saudi Arabia and Syria. The curricula are evaluated through analysis of the officially approved 10th grade chemistry textbooks used nationwide in all…

  13. Investigating the Effects of a DNA Fingerprinting Workshop on 10th Grade Students' Self Efficacy and Attitudes toward Science.

    ERIC Educational Resources Information Center

    Sonmez, Duygu; Simcox, Amanda

    The purpose of this study was investigate the effects of a DNA Fingerprinting Workshop on 10th grade students' self efficacy and attitudes toward science. The content of the workshop based on high school science curriculum and includes multimedia instruction, laboratory experiment and participation of undergraduate students as mentors. N=93…

  14. The Earlier the Better? Taking the AP® in 10th Grade. Research Report No. 2012-10

    ERIC Educational Resources Information Center

    Rodriguez, Awilda; McKillip, Mary E. M.; Niu, Sunny X.

    2013-01-01

    In this report, the authors examine the impact of scoring a 1 or 2 on an AP® Exam in 10th grade on later AP Exam participation and performance. As access to AP courses increases within and across schools, a growing number of students are taking AP courses and exams in the earlier grades of high school. Using a matched sample of AP and no-AP…

  15. Changes in Educational Expectations between 10th and 12th Grades across Cohorts

    ERIC Educational Resources Information Center

    Park, Sueuk; Wells, Ryan; Bills, David

    2015-01-01

    The mean levels of educational expectations of American high school students have increased over the past generation; individual educational expectations change as students mature. Using the National Education Longitudinal Study and the Education Longitudinal Study, we examined simultaneously the changes in individuals' expectations from 10th to…

  16. Changes in Educational Expectations between 10th and 12th Grades across Cohorts

    ERIC Educational Resources Information Center

    Park, Sueuk; Wells, Ryan; Bills, David

    2015-01-01

    The mean levels of educational expectations of American high school students have increased over the past generation; individual educational expectations change as students mature. Using the National Education Longitudinal Study and the Education Longitudinal Study, we examined simultaneously the changes in individuals' expectations from 10th to…

  17. Factors Associated with the Persistence of Bullying Victimization From 10th grade to 13th Grade: A Longitudinal Study.

    PubMed

    Lien, Lars; Welander-Vatn, Audun

    2013-01-01

    Bullying among adolescents represents a major public health challenge. The aim of this study was to map the stability of bullying victimization across the transitional phase from lower to upper secondary school, and to describe the sociodemographic, academic and health-related characteristics of those bullied during the transition. 3674 Norwegian adolescents were followed longitudinally from the age of 15/16 until the age of 18/19, answering questionnaires about health, academic achievements, life events, lifestyle and sociodemography. The 337 participants reporting exposure to bullying victimization at age 15/16 were the target group, as we made comparisons between those reporting victimization only at the age of 15/16 (n=289) with the participants for whom the bullying had continued into later adolescence (n = 48). 14% of those victimized at age 15/16, reported continuation of bullying victimization into upper secondary school. These adolescents were significantly more likely to report having divorced parents, low parental educational level, poor self-perceived economy, muscle and skeletal pain, symptoms of mental distress, lower school marks in Norwegian and higher body-mass index (BMI) when group differences at age 18/19 were assessed through basic inferential statistical tests. However, the multivariate logistic regression analyses only revealed statistically significantly increased adjusted odds ratios for the variables mental distress and school-marks in Norwegian. The persistence of exposure to bullying from 10th grade to 13th grade is associated with mental health complaints and poor school performance. Preventive measures to take care of students being continuously bullied should be in place in secondary schools.

  18. Evaluation of the 10th Grade Computerized Mathematics Curriculum from the Perspective of the Teachers and Educational Supervisors in the Southern Region in Jordan

    ERIC Educational Resources Information Center

    Al-Tarawneh, Sabri Hassan; Al-Qadi, Haitham Mamdouh

    2016-01-01

    This study aimed at evaluating the 10th grade computerized mathematics curriculum from the perspective of the teachers and supervisors in the southern region in Jordan. The study population consisted of all the teachers who teach the 10th grade in the southern region, with the total of (309) teachers and (20) supervisors. The sample consisted of…

  19. Substance use and youth violence. A study among 6th to 10th grade Israeli school children.

    PubMed

    Molcho, Michal; Harel, Yossi; Dina, Lache O

    2004-01-01

    This study examined the co-morbidity of substance use and violence among a representative sample of 8,394 6th-10th grade Israeli students. A representative national self report sample of 8,394 students in 6th through 10th grade. Measures included smoking, alcohol consumption, and illicit drug use, predicting involvement in bullying, injury during a fight and weapon-carrying in the past 30 days. We found across all grades, genders and ethnicities, daily smoking, use of hard drugs, history of drunkenness and binge drinking were the best predictors of violent behavior. Involvement in such behaviors put girls in higher risk for violent behaviors compared with boys. We concluded that use of substances immensely increased the odds of involvement in violent behavior, and this association was extremely strong for Arab girls. The study suggested that although girls were less frequently involved in substance use, the girls who did were at much higher risk for involvement in youth violence.

  20. An analysis of women's ways of knowing in a 10th grade integrated science classroom

    NASA Astrophysics Data System (ADS)

    Kochheiser, Karen Lynn

    All students can learn science, but how they learn science may differ. This study is about learning science and its relationship to gender. Women need to develop and establish connections with the objects that they are learning and be able to establish a voice in a science classroom. Unfortunately, traditional science classrooms still view science as a male domain and tend to discourage women from pursuing higher levels of science or science related careers. The ways that women learn science are a very complex set of interactions. In order to describe these interactions, this study explored how women's ways of knowing are represented in a high school science classroom. Nine women from an enriched integrated biology and earth science class contributed to this study. The women contributed to this study by participating in individual and group interviews, questionnaires, journals, observations and participant review of the interviews. The ways that these women learn science were described in terms of Belenky, Clinchy, Goldberger, and Tarule's Women's Ways of Knowing: The Development of Self, Voice, and Mind (1997). The women's ways of learning in this classroom tended to be situational with the women fitting different categories of knowing depending on the situation. Most of the women demonstrated periods of time where they wanted to be heard or tried to establish a voice in the classroom. The study helps to provide a theory for how women make choices in their learning of science and the struggle to be successful in a male dominated discipline. The women participating in this study gained an awareness of how they learn science and how that can be used to make them even more successful in the classroom. The awareness of how women learn science will also be of great benefit to other teachers and educators as the work for science reform continues to make science a 'science for all'.

  1. Predicting 3rd Grade and 10th Grade FCAT Success for 2007-08. Research Brief. Volume 0702

    ERIC Educational Resources Information Center

    Froman, Terry; Rubiera, Vilma

    2008-01-01

    For the past few years the Florida School Code has set the Florida Comprehensive Assessment Test (FCAT) performance requirements for promotion of 3rd graders and graduation for 10 graders. Grade 3 students who do not score at level 2 or higher on the FCAT SSS Reading must be retained unless exempted for special circumstances. Grade 10 students…

  2. Examining General and Specific Factors in the Dimensionality of Oral Language and Reading in 4th–10th Grades

    PubMed Central

    Foorman, Barbara R.; Koon, Sharon; Petscher, Yaacov; Mitchell, Alison; Truckenmiller, Adrea

    2015-01-01

    The objective of this study was to explore dimensions of oral language and reading and their influence on reading comprehension in a relatively understudied population—adolescent readers in 4th through 10th grades. The current study employed latent variable modeling of decoding fluency, vocabulary, syntax, and reading comprehension so as to represent these constructs with minimal error and to examine whether residual variance unaccounted for by oral language can be captured by specific factors of syntax and vocabulary. A 1-, 3-, 4-, and bifactor model were tested with 1,792 students in 18 schools in 2 large urban districts in the Southeast. Students were individually administered measures of expressive and receptive vocabulary, syntax, and decoding fluency in mid-year. At the end of the year students took the state reading test as well as a group-administered, norm-referenced test of reading comprehension. The bifactor model fit the data best in all 7 grades and explained 72% to 99% of the variance in reading comprehension. The specific factors of syntax and vocabulary explained significant unique variance in reading comprehension in 1 grade each. The decoding fluency factor was significantly correlated with the reading comprehension and oral language factors in all grades, but, in the presence of the oral language factor, was not significantly associated with the reading comprehension factor. Results support a bifactor model of lexical knowledge rather than the 3-factor model of the Simple View of Reading, with the vast amount of variance in reading comprehension explained by a general oral language factor. PMID:26346839

  3. Energy-drink consumption and its relationship with substance use and sensation seeking among 10th grade students in Istanbul.

    PubMed

    Evren, Cuneyt; Evren, Bilge

    2015-06-01

    Aim of this study was to determine the prevalence and correlates of energy-drink (ED) consumption among 10th grade students in Istanbul/Turkey. Cross-sectional online self-report survey conducted in 45 schools from the 15 districts in Istanbul. The questionnaire included sections about demographic data, self-destructive behavior and use of substances including tobacco, alcohol and drugs. Also Psychological Screening Test for Adolescents (PSTA) was used. The analyses were conducted based on the 4957 subjects. Rate of those reported a ED consumption once within last year was 62.0% (n=3072), whereas rate of those reported ED consumption at least once in a month was 31.1%. There were consistent, statistically significant associations between genders, lifetime substance use (tobacco, alcohol and drug use), measures of sensation seeking, psychological problems (depression, anxiety, anger, impulsivity) and self-destructive behavior (self-harming behavior and suicidal thoughts) with ED consumption. In logistic regression models male gender, sensation seeking, life-time tobacco, alcohol and drug use predicted all frequencies of ED consumption. In addition to these predictors, anger and self-harming behavior also predicted ED consumption at least once in a month. There were no interactions between the associations of lifetime tobacco, alcohol and drug use with ED consumption. The findings suggest that the ED consumption of male students is related with three clusters of substances (tobacco, alcohol and drug) through sensation seeking and these relationships do not interact with each other. Copyright © 2015 Elsevier B.V. All rights reserved.

  4. Effects of lifetime tobacco, alcohol and drug use on psychological and behavioral problems among 10th grade students in Istanbul.

    PubMed

    Evren, Cuneyt; Evren, Bilge; Bozkurt, Muge; Ciftci-Demirci, Arzu

    2015-11-01

    The aim of this study was to determine the effects of life-time tobacco, alcohol, and substance use on psychological and behavioral variables among 10th grade students in Istanbul/Turkey. This study employed a cross-sectional online self-report survey conducted in 45 schools from the 15 districts in Istanbul. The questionnaire featured a section about use of substances, including tobacco, alcohol, and drugs. The depression, anxiety, anger, assertiveness, sensation seeking and impulsiveness subscales of the Psychological Screening Test for Adolescents (PSTA) were used. The analyses were conducted based on 4957 subjects. Logistic regression analyses were conducted with each school with the related and behavioral variables as the dependent variables. Gender, tobacco, alcohol, and drug use being the independent variables. All four independent variables predicted the dependent variables. Lifetime tobacco and drug use had significant effects on all the subscale score, whereas lifetime alcohol use had significant effects on all the subscale scores other than lack of assertiveness, and male gender was a significant covariant for all the subscale scores. Drug use showed the highest effect on dependent variables. Interaction was found between effects of tobacco and alcohol on anxiety, whereas interactions were found between effects of tobacco and drugs on lack of assertiveness and impulsiveness. The findings suggested that male students with lifetime tobacco, alcohol or drug use have particularly high risk of psychological and behavioral problems. The unique effects of substance clusters on these problems may be useful in developing secondary preventive practices for substance use and abuse problems in Istanbul.

  5. Perceptions of 9th and 10th Grade Students on How Their Environment, Cognition, and Behavior Motivate Them in Algebra and Geometry Courses

    ERIC Educational Resources Information Center

    Harootunian, Alen

    2012-01-01

    In this study, relationships were examined between students' perception of their cognition, behavior, environment, and motivation. The purpose of the research study was to explore the extent to which 9th and 10th grade students' perception of environment, cognition, and behavior can predict their motivation in Algebra and Geometry courses. A…

  6. The Basic Program of Vocational Agriculture in Louisiana. Ag I and Ag II (9th and 10th Grades). Volume I. Bulletin 1690-I.

    ERIC Educational Resources Information Center

    Louisiana State Dept. of Education, Baton Rouge. Div. of Vocational Education.

    This document is the first volume of a state curriculum guide on vocational agriculture for use in the 9th and 10th grades in Louisiana. Three instructional areas are profiled in this volume: orientation to vocational agriculture, agricultural leadership, and soil science. The three units of the orientation area cover introducing beginning…

  7. An Examination of the Conditions of School Facilities Attended by 10th-Grade Students in 2002. E.D. TAB. NCES 2006-302

    ERIC Educational Resources Information Center

    Mike Planty; Jill F. DeVoe; Jeffrey A. Owings; Kathryn Chandler

    2005-01-01

    This report presents key findings from the Education Longitudinal Study of 2002 (ELS:2002) Facilities Checklist for all ELS:2002 public and private schools and students in the 10th grade. The facilities instrument was administered as a part of the ELS:2002 and focused on the conditions of school facilities, including disrepair, cleanliness,…

  8. Gender and Ethnic Differences in Smoking, Drinking and Illicit Drug Use among American 8th, 10th and 12th Grade Students, 1976-2000.

    ERIC Educational Resources Information Center

    Wallace, John M., Jr.; Bachman, Jerald G.; O'Malley, Patrick M.; Schulenberg, John E.; Cooper, Shauna M.; Johnston, Lloyd D.

    2003-01-01

    Paper examines ethnic differences in licit and illicit drug use among American 8th, 10th, and 12th grade students, with a particular focus on girls. Across ethnic groups, drug use is highest among Native American girls and lowest among black and Asian American girls. Trend data suggest that girls' and boys' drug use patterns are converging.…

  9. A Comparison of 9th and 10th Grade Boys' and Girls' Bullying Behaviors in Two States.

    ERIC Educational Resources Information Center

    Isernhagen, Jody; Harris, Sandy

    This study examined the incidences of bullying behaviors among male and female 9th and 10th graders in rural Nebraska and suburban Texas schools. Nebraska students were predominantly Caucasion, and Texas students were African American, Hispanic American, and Caucasion. Student surveys examined such issues as how often bullying occurred, where it…

  10. Analysis of physics textbooks for 10th and 11th grades in accordance with the 2013 secondary school physics curriculum from the perspective of project-based learning

    NASA Astrophysics Data System (ADS)

    Kavcar, Nevzat; Erdem, Aytekin

    2017-02-01

    This study aims to investigate the 10th and 11th grade Physics textbooks in accordance with the 2013 Secondary School Physics Curriculum from the perspective of project-based learning method and to share the results with the physics education public. The research was carried out in the 2015-2016 academic year as part of an undergraduate course taught in physics teaching program at a faculty of education; and 10 senior students of physics teachercandidates participated in the study. The research method is the survey model based on qualitative research approach. Data collection tools consist of the reports written by the participants who examined the curriculum and textbooks for project-based learning problems. According to research findings, most of the educational gains in the 10th and 11th grade physics textbooks were supported with experimental activities; however, project-based assignments are needed.

  11. High risk of Internet addiction and its relationship with lifetime substance use, psychological and behavioral problems among 10(th) grade adolescents.

    PubMed

    Evren, Cuneyt; Dalbudak, Ercan; Evren, Bilge; Demirci, Arzu Ciftci

    2014-12-01

    The aim of this study was to investigate the relationship of higher risk of Internet addiction (HRIA) with lifetime substance use, psychological and behavioral factors among Turkish 10(th) grade students. Cross-sectional online self-report survey conducted in 45 schools from the 15 districts in Istanbul, Turkey. A representative sample of 4957 10(th) grade students was studied between October 2012 and December 2012. Other than sociodemographic variables the survey included the Addiction Profile Index Internet Addiction Form-Screening Version (BAPINT-SV) and the Psychological Screening Test for Adolescents (PSTA). The participants were classified into two groups as those with HRIA (15.96%) and those with lower risk of Internet addiction. The rate of HRIA was higher in the males. The findings indicated that HRIA is related with negative consequences in school, lifetime use of tobacco, alcohol and/or drug, suicidal thoughts, self-harming and delinquent behaviors. Male gender, lifetime use of tobacco, alcohol and/or drug, depression, attention deficit and hyperactivity symptoms and lack of assertiveness predicted the HRIA in Turkish 10(th) grade students. Being aware of those with HRIA is important in prevention and management of Internet addiction as well as other important problems among students, such as substance use.

  12. The Association of Employment and Physical Activity among Black and White 10th and 12th Grade Students in the United States

    PubMed Central

    2010-01-01

    Background Evidence of an association between employment and physical activity (PA) in youth has been mixed, with studies suggesting both positive and negative associations. We examined the association between employment and PA among U.S. high school students as measured by self-reported overall PA, vigorous exercise, and participation in school athletic teams. Methods We employed a secondary analysis using weighted linear regression to a sample of black and white 10th grade (n=12073) and 12th grade students (n=5500) drawn from the nationally representative cross-sectional 2004 Monitoring the Future Study. Results Overall, 36.5% of 10th and 74.6% of 12th grade students were employed. In multivariable analyses, 10th graders working >10 hours a week reported less overall PA and exercise and those working >20 hours a week reported less participation in team sports. Among 12th graders, any level of employment was associated with lower rates of team sports; those working >10 hours a week reported less overall PA; and those working >20 hours reported less exercise. Conclusions Employment at and above 10 hours per week is negatively associated with PA. Increasing work intensity may shed light on the decline of PA as adolescents grow older and merits further attention in research. PMID:20231752

  13. Water: How Good is Good Enough? Teacher's Guide. Social Studies Module (9th-10th Grade Social Studies).

    ERIC Educational Resources Information Center

    Georgia Univ., Athens. Coll. of Education.

    This teacher's guide is for an environmental education module to integrate topics of water quality in ninth- and tenth-grade social studies classes. This module was pilot tested in Gwinnett County, Georgia in 1975-76. Included in the guide are overall objectives, the module sequence, an introduction, a suggested teaching sequence, a word review…

  14. Water: How Good is Good Enough? Student Book. Science Module (9th-10th Grade Chemistry). Revised Edition.

    ERIC Educational Resources Information Center

    Georgia Univ., Athens. Coll. of Education.

    This learning module is designed to integrate environmental education into ninth- and tenth-grade chemistry classes. This module and a companion social studies module were pilot tested in Gwinnett County, Georgia in classes of students, many of whom had learning disabilities. It emphasizes activity learning. The module is divided into four parts.…

  15. Water: How Good is Good Enough? Student Book. Science Module (9th-10th Grade Chemistry). Revised Edition.

    ERIC Educational Resources Information Center

    Georgia Univ., Athens. Coll. of Education.

    This learning module is designed to integrate environmental education into ninth- and tenth-grade chemistry classes. This module and a companion social studies module were pilot tested in Gwinnett County, Georgia in classes of students, many of whom had learning disabilities. It emphasizes activity learning. The module is divided into four parts.…

  16. Water: How Good is Good Enough? Teacher's Guide. Social Studies Module (9th-10th Grade Social Studies).

    ERIC Educational Resources Information Center

    Georgia Univ., Athens. Coll. of Education.

    This teacher's guide is for an environmental education module to integrate topics of water quality in ninth- and tenth-grade social studies classes. This module was pilot tested in Gwinnett County, Georgia in 1975-76. Included in the guide are overall objectives, the module sequence, an introduction, a suggested teaching sequence, a word review…

  17. A Typology of Chemistry Classroom Environments: Exploring the Relationships between 10th Grade Students' Perceptions, Attitudes and Gender

    ERIC Educational Resources Information Center

    Giallousi, M.; Gialamas, V.; Pavlatou, E. A.

    2013-01-01

    The present study was the first in Greece in which educational effectiveness theory constituted a knowledge base for investigating the impact of chemistry classroom environment in 10 Grade students' enjoyment of class. An interpretive heuristic schema was developed and utilised in order to incorporate two factors of teacher behaviour at classroom…

  18. A Typology of Chemistry Classroom Environments: Exploring the Relationships between 10th Grade Students' Perceptions, Attitudes and Gender

    ERIC Educational Resources Information Center

    Giallousi, M.; Gialamas, V.; Pavlatou, E. A.

    2013-01-01

    The present study was the first in Greece in which educational effectiveness theory constituted a knowledge base for investigating the impact of chemistry classroom environment in 10 Grade students' enjoyment of class. An interpretive heuristic schema was developed and utilised in order to incorporate two factors of teacher behaviour at classroom…

  19. The severity of attention deficit hyperactivity symptoms and its relationship with lifetime substance use and psychological variables among 10th grade students in Istanbul.

    PubMed

    Evren, Cuneyt; Dalbudak, Ercan; Evren, Bilge; Can, Yesim; Umut, Gokhan

    2014-10-01

    The aim of this study was to determine the severity of attention deficit hyperactivity symptoms (ADHS) and related psychological and behavioral variables among 10th grade students in Istanbul/Turkey. Cross-sectional online self-report survey conducted in 45 schools in 15 districts Istanbul. The questionnaire included sections about demographic data and use of substances including tobacco, alcohol and drugs. Also ADHS, depression, anxiety, anger and sensation seeking subscales of Psychological Screening Test for Adolescents (PSTA) were used. The analyses were conducted based on the 4938 subjects. Mean ADHS score was higher in females and among those with a lifetime use of tobacco, alcohol and drug, and having self-harming behavior and suicidal thoughts. ADHS score was correlated with depression, anxiety, anger and sensation seeking scores. In univariate covariance analysis (ANCOVA); depression, anxiety, anger, sensation seeking, lifetime alcohol use and suicidal thoughts predicted the severity of ADHS. The findings suggest that, since ADHS is associated with depression, anxiety, anger, sensation seeking, lifetime alcohol use and suicidal thoughts among 10th grade students, clinicians should screen suicidality and comorbid psychiatric symptoms routinely in adolescents with ADHS. Copyright © 2014 Elsevier Inc. All rights reserved.

  20. Using Diagrams versus Text for Spaced Restudy: Effects on Learning in 10th Grade Biology Classes

    ERIC Educational Resources Information Center

    Bergey, Bradley W.; Cromley, Jennifer G.; Kirchgessner, Mandy L.; Newcombe, Nora S.

    2015-01-01

    Background and Aim: Spaced restudy has been typically tested with written learning materials, but restudy with visual representations in actual classrooms is under-researched. We compared the effects of two spaced restudy interventions: A Diagram-Based Restudy (DBR) warm-up condition and a business-as-usual Text-Based Restudy (TBR) warm-up…

  1. Using Diagrams versus Text for Spaced Restudy: Effects on Learning in 10th Grade Biology Classes

    ERIC Educational Resources Information Center

    Bergey, Bradley W.; Cromley, Jennifer G.; Kirchgessner, Mandy L.; Newcombe, Nora S.

    2015-01-01

    Background and Aim: Spaced restudy has been typically tested with written learning materials, but restudy with visual representations in actual classrooms is under-researched. We compared the effects of two spaced restudy interventions: A Diagram-Based Restudy (DBR) warm-up condition and a business-as-usual Text-Based Restudy (TBR) warm-up…

  2. Climate Change, Risks and Natural Resources didactic issues of educational content geography of Bulgaria and the world in 9th and 10th grade

    NASA Astrophysics Data System (ADS)

    Dermendzhieva, Stela; Nejdet, Semra

    2017-03-01

    The purpose of this paper is to follow "Climate change, risks and Natural Resources" in the curriculum of Geography of Bulgaria and the world in 9th and 10th grade and to interpret some didactic aspects. Analysis of key themes, concepts and categories related to the environment, events and approaches to environmental protection and the environmentally sound development of sectors of the economy is didikticheski targeted. Considering the emergence and development of geo-ecological issues, their scope and their importance to the environment, systematize some species and some approaches to solving them. Geography education in grade 9 and 10 involves acquiring knowledge, developing skills and composing behaviors of objective perception and assessment of the reality of globed, regional and local aspect. The emerging consumer and individualistic culture snowballing globalization, are increasingly occurring global warming, declining biodiversity form new realities which education must respond appropriately. The objective, consistency, accessibility and relevance in real terms are meaningful, logical accents. Whether and how reproduced in the study of Geography of Bulgaria and the world is the subject of research study in this report. Geoecological structuring of topics, concepts and categories can be done in different signs. In terms of their scope are local, national or regional, and global. Matter and interdisciplinary approach, which is to reveal the unity of the "man-society-nature" to clarify the complexity of their character with a view to forming a harmonious personality with high Geoecological consciousness and culture, and the activities carried out in their study.

  3. It takes a village: the effects of 10th grade college-going expectations of students, parents, and teachers four years later.

    PubMed

    Gregory, Anne; Huang, Francis

    2013-09-01

    Adolescents are surrounded by people who have expectations about their college-going potential. Yet, few studies have examined the link between these multiple sources of college-going expectations and the actual status of students in postsecondary education years later. The study draws on data collected in the 2002-2006 Educational Longitudinal Study and employs an underutilized statistical technique (cross-classified multilevel modeling) to account for teacher reports on overlapping groups of students (typical of high school research). Results showed that positive expectations of students, parents, English, and mathematics teachers in the 10th grade each uniquely predicted postsecondary status 4 years later. As a group, the four sources of expectations explained greater variance in postsecondary education than student characteristics such as socioeconomic status and academic performance. This suggests positive expectations are additive and promotive for students regardless of their risk status. Teacher expectations were also found to be protective for low income students. Implications for future expectancy research and equity-focused interventions are discussed.

  4. Implementation and Evaluation of Web-Based Learning Activities on Bonding and the Structure of Matter for 10-th Grade Chemistry

    NASA Astrophysics Data System (ADS)

    Frailich, Marcel

    This study deals with the development, implementation, and evaluation of web-based activities associated with the topic of chemical bonding , as taught in 10th grade chemistry. A website was developed entitled: "Chemistry and the Chemical Industry in the Service of Mankind", its URL is: http://stwww.weizmann.ac.il/g-chem/learnchem (Kesner, Frailich, & Hofstein, 2003). The main goal of this study was to assess the educational effectiveness of website activities dealing with the chemical bonding concept. These activities include visualization tools, as well as topics relevant to daily life and industrial applications. The study investigated the effectiveness of a web-based learning environment regarding the understanding of chemical bonding concepts, students' perceptions of the classroom learning environment, their attitudes regarding the relevance of learning chemistry to everyday life, and their interest in chemistry studies. As mentioned before, in the present study we focused on activities (from the website), all of which deal with chemical bonding concept. The following are the reasons for the decision to focus on this topic: (1) Chemical bonding is a key concept that is taught in 10th grade chemistry in high school. It provides the basis for many other chemistry topics that are taught later, and (2) Chemical bonding is a difficult for students using existing tools (e. g., static models in books, ball-and- stick models), which are insufficient to demonstrate the abstract nature phenomena associated with this topic. The four activities developed for this study are (1) models of the atomic structure, (2) metals -- structure and properties, (3) ionic substances in everyday life and in industry, and (4) molecular substances -- structure, properties, and uses. The study analyzed both quantitative and qualitative research. The quantitative tools of the study included: A Semantic Differential questionnaire and a Chemistry Classroom Web-Based Learning Environment

  5. The impact of high-stakes, state-mandated student performance assessment on 10th grade English, mathematics, and science teachers' instructional practices

    NASA Astrophysics Data System (ADS)

    Vogler, Kenneth E.

    The purpose of this study was to determine if the public release of student results on high-stakes, state-mandated performance assessments influence instructional practices, and if so in what manner. The research focused on changes in teachers' instructional practices and factors that may have influenced such changes since the public release of high-stakes, state-mandated student performance assessment scores. The data for this study were obtained from a 54-question survey instrument given to a stratified random sample of teachers teaching at least one section of 10th grade English, mathematics, or science in an academic public high school within Massachusetts. Two hundred and fifty-seven (257) teachers, or 62% of the total sample, completed the survey instrument. An analysis of the data found that teachers are making changes in their instructional practices. The data show notable increases in the use of open-response questions, creative/critical thinking questions, problem-solving activities, use of rubrics or scoring guides, writing assignments, and inquiry/investigation. Teachers also have decreased the use of multiple-choice and true-false questions, textbook-based assignments, and lecturing. Also, the data show that teachers felt that changes made in their instructional practices were most influenced by an "interest in helping my students attain MCAS assessment scores that will allow them to graduate high school" and by an "interest in helping my school improve student (MCAS) assessment scores," Finally, mathematics teachers and teachers with 13--19 years of experience report making significantly more changes than did others. It may be interpreted from the data that the use of state-mandated student performance assessments and the high-stakes attached to this type of testing program contributed to changes in teachers' instructional practices. The changes in teachers' instructional practices have included increases in the use of instructional practices deemed

  6. Affective decision-making deficits, linked to a dysfunctional ventromedial prefrontal cortex, revealed in 10th grade Chinese adolescent binge drinkers.

    PubMed

    Johnson, C Anderson; Xiao, Lin; Palmer, Paula; Sun, Ping; Wang, Qiong; Wei, Yonglan; Jia, Yong; Grenard, Jerry L; Stacy, Alan W; Bechara, Antoine

    2008-01-31

    The primary aim of this study was to test the hypothesis that adolescent binge drinkers, but not lighter drinkers, would show signs of impairment on tasks of affective decision-making as measured by the Iowa Gambling Test (IGT), when compared to adolescents who never drank. We tested 207 10th grade adolescents in Chengdu City, China, using two versions of the IGT, the original and a variant, in which the reward/punishment contingencies were reversed. This enables one to distinguish among different possibilities of impaired decision-making, such as insensitivity to long-term consequences, or hypersensitivity to reward. Furthermore, we tested working memory capacity using the Self-ordered Pointing Test (SOPT). Paper and pencil questionnaires were used to assess drinking behaviors and school academic performance. Results indicated that relative to never-drinkers, adolescent binge drinkers, but not other (ever, past 30-day) drinkers, showed significantly lower net scores on the original version of the IGT especially in the latter trials. Furthermore, the profiles of behavioral performance from the original and variant versions of the IGT were consistent with a decision-making impairment attributed to hypersensitivity to reward. In addition, working memory and school academic performance revealed no differences between drinkers (at all levels) and never-drinkers. Logistic regression analysis showed that after controlling for demographic variables, working memory, and school academic performance, the IGT significantly predicted binge-drinking. These findings suggest that a "myopia" for future consequences linked to hypersensitivity to reward is a key characteristic of adolescents with binge-drinking behavior, and that underlying neural mechanisms for this "myopia" for future consequences may serve as a predisposing factor that renders some adolescents more susceptible to future addictive behaviors.

  7. Effect of cooperative learning strategies on student verbal interactions and achievement during conceptual change instruction in 10th grade general science

    NASA Astrophysics Data System (ADS)

    Lonning, Robert A.

    This study evaluated the effects of cooperative learning on students' verbal interaction patterns and achievement in a conceptual change instructional model in secondary science. Current conceptual change instructional models recognize the importance of student-student verbal interactions, but lack specific strategies to encourage these interactions. Cooperative learning may provide the necessary strategies. Two sections of low-ability 10th-grade students were designated the experimental and control groups. Students in both sections received identical content instruction on the particle model of matter using conceptual change teaching strategies. Students worked in teacher-assigned small groups on in-class assignments. The experimental section used cooperative learning strategies involving instruction in collaborative skills and group evaluation of assignments. The control section received no collaborative skills training and students were evaluated individually on group work. Gains on achievement were assessed using pre- and posttreatment administrations of an investigator-designed short-answer essay test. The assessment strategies used in this study represent an attempt to measure conceptual change. Achievement was related to students' ability to correctly use appropriate scientific explanations of events and phenomena and to discard use of naive conceptions. Verbal interaction patterns of students working in groups were recorded on videotape and analyzed using an investigator-designed verbal interaction scheme. The targeted verbalizations used in the interaction scheme were derived from the social learning theories of Piaget and Vygotsky. It was found that students using cooperative learning strategies showed greater achievement gains as defined above and made greater use of specific verbal patterns believed to be related to increased learning. The results of the study demonstrated that cooperative learning strategies enhance conceptual change instruction. More

  8. Material Analysis and Processing Systems: A 9th and/or 10th Grade Industrial Education Curriculum Designed To Fulfill the Kansas State Department of Vocational Education's Level 2 Course Requirements.

    ERIC Educational Resources Information Center

    Dean, Harvey R., Ed.

    The teacher developed curriculum guide provides the industrial education teacher with the objectives, equipment lists, material, supplies, references, and activities necessary to teach students of the 9th and/or 10th grade the concepts of interrelationships between material analysis and processing systems. Career information and sociological…

  9. Mountain Dew[R] or Mountain Don't?: A Pilot Investigation of Caffeine Use Parameters and Relations to Depression and Anxiety Symptoms in 5th- and 10th-Grade Students

    ERIC Educational Resources Information Center

    Luebbe, Aaron M.; Bell, Debora J.

    2009-01-01

    Background: Caffeine, the only licit psychoactive drug available to minors, may have a harmful impact on students' health and adjustment, yet little is known about its use or effects on students, especially from a developmental perspective. Caffeine use in 5th- and 10th-grade students was examined in a cross-sectional design, and relations and…

  10. Mountain Dew[R] or Mountain Don't?: A Pilot Investigation of Caffeine Use Parameters and Relations to Depression and Anxiety Symptoms in 5th- and 10th-Grade Students

    ERIC Educational Resources Information Center

    Luebbe, Aaron M.; Bell, Debora J.

    2009-01-01

    Background: Caffeine, the only licit psychoactive drug available to minors, may have a harmful impact on students' health and adjustment, yet little is known about its use or effects on students, especially from a developmental perspective. Caffeine use in 5th- and 10th-grade students was examined in a cross-sectional design, and relations and…

  11. Power Conversion and Transmission Systems: A 9th and/or 10th Grade Industrial Education Curriculum Designed To Fulfill the Kansas State Department of Vocational Education's Level 2 Course Requirements.

    ERIC Educational Resources Information Center

    Dean, Harvey R., Ed.

    The document is a guide to a 9th and 10th grade industrial education course investigating the total system of power--how man controls, converts, transmits, and uses energy; the rationale is that if one is to learn of the total system of industry, the subsystem of power must be investigated. The guide provides a "body of knowledge" chart…

  12. White Man's Burden: The Expansionist/Anti-Imperialist Debate at the Turn of the Century. 10th Grade Lesson. Schools of California Online Resources for Education (SCORE): Connecting California's Classrooms to the World.

    ERIC Educational Resources Information Center

    Kohen, Robert

    This 10th grade social studies lesson and language arts interdisciplinary curriculum unit asks students to examine the 19th century debate over U.S. foreign policy. Students engage in role playing and debate the expansionist policy versus the anti-imperialist policy. The unit includes an activity description, background information, questions to…

  13. Trends in Substance Use among 6th-to 10th-Grade Students from 1998 to 2010: Findings from a National Probability Study

    ERIC Educational Resources Information Center

    Brooks-Russell, Ashley; Farhat, Tilda; Haynie, Denise; Simons-Morton, Bruce

    2014-01-01

    Of the handful of national studies tracking trends in adolescent substance use in the United States, only the Health Behavior in School-Aged Children (HBSC) study collects data from 6th through 10th graders. The purpose of this study was to examine trends from 1998 to 2010 (four time points) in the prevalence of tobacco, alcohol, and marijuana use…

  14. Trends in Substance Use among 6th-to 10th-Grade Students from 1998 to 2010: Findings from a National Probability Study

    ERIC Educational Resources Information Center

    Brooks-Russell, Ashley; Farhat, Tilda; Haynie, Denise; Simons-Morton, Bruce

    2014-01-01

    Of the handful of national studies tracking trends in adolescent substance use in the United States, only the Health Behavior in School-Aged Children (HBSC) study collects data from 6th through 10th graders. The purpose of this study was to examine trends from 1998 to 2010 (four time points) in the prevalence of tobacco, alcohol, and marijuana use…

  15. Mountain Dew or mountain don't?: a pilot investigation of caffeine use parameters and relations to depression and anxiety symptoms in 5th- and 10th-grade students.

    PubMed

    Luebbe, Aaron M; Bell, Debora J

    2009-08-01

    Caffeine, the only licit psychoactive drug available to minors, may have a harmful impact on students' health and adjustment, yet little is known about its use or effects on students, especially from a developmental perspective. Caffeine use in 5th- and 10th-grade students was examined in a cross-sectional design, and relations and potential mediators of caffeine use to depression and anxiety symptoms were investigated. Children (n = 135) and adolescents (n = 79) completed a measure of naturalistic use of caffeinated and noncaffeinated beverages. Furthermore, daily availability, perceived benefits, and stimulating, psychological, and withdrawal effects of caffeinated and noncaffeinated beverages were assessed. Measures of depression and anxiety were also administered. Fifth and 10th graders used caffeine frequently. Depression was positively related to caffeine use for both cohorts, though mediated by caffeine withdrawal effects. Surprisingly, anxiety was unrelated to use. Fifth graders reported less daily access to caffeine, but more psychological and stimulating effects of caffeine than 10th graders. Although both children and adolescents experience negative caffeine-related outcomes, intake is seemingly not greatly limited in either cohort. In particular, youth appear vulnerable to increased depressive symptoms with increasing caffeine consumption. Implications for school policy regarding students' caffeine use are discussed.

  16. Systems biology and clinical cytomics: The 10th Leipziger Workshop and the 3rd International Workshop on Slide-Based Cytometry, Leipzig, Germany, April 2005.

    PubMed

    Tárnok, Attila; Valet, Günther K; Emmrich, Frank

    2006-01-01

    -infectious or anti-shock therapy as well as curative chemotherapy in combination with stem cell transplantation may provide better survival chances for patient at concomitant cost containment. Predictive medicine-guided optimization of therapy could lead to individualized medicine that gives significant therapeutic effect and may lower or abrogate potential therapeutic side effects. The 10th Leipziger Workshop combined with the 3rd International Workshop on SBC aimed to offer new methods in Image- and Slide-Based Cytometry for solutions in clinical research. It moved towards practical applications in the clinics and the clinical laboratory. This development will be continued in 2006 at the upcoming Leipziger Workshop and the International Workshop on Slide-Based Cytometry.

  17. World History Fair and Exposition. 10th Grade Lesson. Schools of California Online Resources for Education (SCORE): Connecting California's Classrooms to the World.

    ERIC Educational Resources Information Center

    Davis, Cheryl

    This tenth grade lesson plan asks student teams to research and analyze the history, the challenges, and the future of contemporary nations and share their discoveries in a poster presentation at a technology pavilion. The lesson plan states that each team, as a participating nation, is required to include three themes in their countries' pavilion…

  18. The Impact of Internet Virtual Physics Laboratory Instruction on the Achievement in Physics, Science Process Skills and Computer Attitudes of 10th-Grade Students

    ERIC Educational Resources Information Center

    Yang, Kun-Yuan; Heh, Jia-Sheng

    2007-01-01

    The purpose of this study was to investigate and compare the impact of Internet Virtual Physics Laboratory (IVPL) instruction with traditional laboratory instruction in physics academic achievement, performance of science process skills, and computer attitudes of tenth grade students. One-hundred and fifty students from four classes at one private…

  19. Modeles de rendement langagier: Francais, 10e annee. Francais langue premiere (Models of Linguistic Production: French, 10th Grade. French as a Native Language).

    ERIC Educational Resources Information Center

    Alberta Learning, Edmonton. Direction de l'education francaise.

    Aligned with its 1998 standards for first- and second-language learning, Alberta Learning has published lesson plans that aim for a closer relationship between learning and evaluation. Each volume in this series presents a specific task for students that involves planning, carrying out, and evaluating their work. The task for tenth grade students…

  20. The Impact of Internet Virtual Physics Laboratory Instruction on the Achievement in Physics, Science Process Skills and Computer Attitudes of 10th-Grade Students

    ERIC Educational Resources Information Center

    Yang, Kun-Yuan; Heh, Jia-Sheng

    2007-01-01

    The purpose of this study was to investigate and compare the impact of Internet Virtual Physics Laboratory (IVPL) instruction with traditional laboratory instruction in physics academic achievement, performance of science process skills, and computer attitudes of tenth grade students. One-hundred and fifty students from four classes at one private…

  1. The Basic Program of Vocational Agriculture in Louisiana. Ag I and Ag II (9th and 10th Grades). Volume III. Bulletin 1690-III.

    ERIC Educational Resources Information Center

    Louisiana State Dept. of Education, Baton Rouge. Div. of Vocational Education.

    This curriculum guide, the third volume of the series, outlines the basic program of vocational agriculture for Louisiana students in the ninth and tenth grades. Covered in the five units on plant science are growth processes of plants, cultural practices for plants, insects affecting plants, seed and plant selection, and diseases that affect…

  2. Interobserver agreement for Polyomavirus nephropathy grading in renal allografts using the working proposal from the 10th Banff Conference on Allograft Pathology.

    PubMed

    Sar, Aylin; Worawichawong, Suchin; Benediktsson, Hallgrimur; Zhang, Jianguo; Yilmaz, Serdar; Trpkov, Kiril

    2011-12-01

    A classification schema for grading Polyomavirus nephropathy was proposed at the 2009 Banff allograft meeting. The schema included 3 stages of Polyomavirus nephropathy: early (stage A), florid (stage B), and late sclerosing (stage C). Grading categories for histologic viral load levels were also proposed. To examine the applicability and the interobserver agreement of the proposed Polyomavirus nephropathy grading schema, we evaluated 24 renal allograft biopsies with confirmed Polyomavirus nephropathy by histology and SV40. Four renal pathologists independently scored the Polyomavirus nephropathy stage (A, B, or C), without knowledge of the clinical history. Viral load was scored as a percent of tubules exhibiting viral replication, using either a 3-tier viral load score (1: ≤1%; 2: >1%-10%; 3: >10%) or a 4-tier score (1: ≤1%; 2: >1%-≤5%; 3: >5%-15%; 4: >15%). The κ score for the Polyomavirus nephropathy stage was 0.47 (95% confidence interval, 0.35-0.60; P < .001). There was a substantial agreement using both the 3-tier and the 4-tier scoring for the viral load (Kendall concordance coefficients, 0.72 and 0.76, respectively; P < .001 for both). A better complete agreement was found using the 3-tier viral load score. In this first attempt to evaluate the interobserver reproducibility of the proposed Polyomavirus nephropathy classifying schema, we demonstrated moderate κ agreement in assessing the Polyomavirus nephropathy stage and a substantial agreement in scoring the viral load level. The proposed grading schema can be applied in routine allograft biopsy practice for grading the Polyomavirus nephropathy stage and the viral load level.

  3. Trends in Bullying, Physical Fighting, and Weapon Carrying Among 6th- Through 10th-Grade Students From 1998 to 2010: Findings From a National Study

    PubMed Central

    Brooks-Russell, Ashley; Wang, Jing; Iannotti, Ronald J.

    2014-01-01

    Objectives. We examined trends from 1998 to 2010 in bullying, bullying victimization, physical fighting, and weapon carrying and variations by gender, grade level, and race/ethnicity among US adolescents. Methods. The Health Behavior in School-Aged Children surveys of nationally representative samples of students in grades 6 through 10 were completed in 1998 (n = 15 686), 2002 (n = 14 818), 2006 (n = 9229), and 2010 (n = 10 926). We assessed frequency of bullying behaviors, physical fighting, and weapon carrying as well as weapon type and subtypes of bullying. We conducted logistic regression analyses, accounting for the complex sampling design, to identify trends and variations by demographic factors. Results. Bullying perpetration, bullying victimization, and physical fighting declined from 1998 to 2010. Weapon carrying increased for White students only. Declines in bullying perpetration and victimization were greater for boys than for girls. Declines in bullying perpetration and physical fighting were greater for middle-school students than for high-school students. Conclusions. Declines in most violent behaviors are encouraging; however, lack of decline in weapon carrying merits further attention. PMID:24825213

  4. The Impact of Internet Virtual Physics Laboratory Instruction on the Achievement in Physics, Science Process Skills and Computer Attitudes of 10th-Grade Students

    NASA Astrophysics Data System (ADS)

    Yang, Kun-Yuan; Heh, Jia-Sheng

    2007-10-01

    The purpose of this study was to investigate and compare the impact of Internet Virtual Physics Laboratory (IVPL) instruction with traditional laboratory instruction in physics academic achievement, performance of science process skills, and computer attitudes of tenth grade students. One-hundred and fifty students from four classes at one private senior high school in Taoyuan Country, Taiwan, R.O.C. were sampled. All four classes contained 75 students who were equally divided into an experimental group and a control group. The pre-test results indicated that the students' entry-level physics academic achievement, science process skills, and computer attitudes were equal for both groups. On the post-test, the experimental group achieved significantly higher mean scores in physics academic achievement and science process skills. There was no significant difference in computer attitudes between the groups. We concluded that the IVPL had potential to help tenth graders improve their physics academic achievement and science process skills.

  5. Rates of Substance Use of American Indian Students in 8th, 10th, and 12th Grades Living on or Near Reservations: Update, 2009–2012

    PubMed Central

    Harness, Susan D.; Swaim, Randall C.; Beauvais, Fred

    2014-01-01

    Objectives Understanding the similarities and differences between substance use rates for American Indian (AI) young people and young people nationally can better inform prevention and treatment efforts. We compared substance use rates for a large sample of AI students living on or near reservations for the years 2009–2012 with national prevalence rates from Monitoring the Future (MTF). Methods We identified and sampled schools on or near AI reservations by region; 1,399 students in sampled schools were administered the American Drug and Alcohol Survey. We computed lifetime, annual, and last-month prevalence measures by grade and compared them with MTF results for the same time period. Results Prevalence rates for AI students were significantly higher than national rates for nearly all substances, especially for 8th graders. Rates of marijuana use were very high, with lifetime use higher than 50% for all grade groups. Other findings of interest included higher binge drinking rates and OxyContin® use for AI students. Conclusions The results from this study demonstrate that adolescent substance use is still a major problem among reservation-based AI adolescent students, especially 8th graders, where prevalence rates were sometimes dramatically higher than MTF rates. Given the high rates of substance use-related problems on reservations, such as academic failure, delinquency, violent criminal behavior, suicidality, and alcohol-related mortality, the costs to members of this population and to society will continue to be much too high until a comprehensive understanding of the root causes of substance use are established. PMID:24587550

  6. Criterion-related validity of curriculum-based measurement in writing with narrative and expository prompts relative to passage copying speed in 10th grade students.

    PubMed

    Mercer, Sterett H; Martínez, Rebecca S; Faust, Dennis; Mitchell, Rachel R

    2012-06-01

    We investigated the criterion-related validity of four indicators of curriculum-based measurement in writing (WCBM) when using expository versus narrative writing prompts as compared to the validity of passage copying speed. Specifically, we compared criterion-related validity of production-dependent (total words written, correct word sequences), accurate-production (correct minus incorrect word sequences [CIWS]), and production-independent (percent of correct word sequences [%CWS]) scoring methods on narrative and expository writing probes in relation to a state-mandated writing assessment. Participants included all tenth grade students (N=163) from a rural high school in the Midwest. Results indicated that the more complex indicators of writing, %CWS (when taking into account passage copying speed), and CIWS (when passage copying speed was not considered) on narrative probes explained the greatest amount of variance in the criterion measure. None of the WCBM indicators, alone or in combination with passage copying speed, explained more than 25% of the variance in the state writing assessment, suggesting that WCBM may have limitations as a universal screening measure for high school students.

  7. Effects of a novel science curriculum versus traditional science curriculum on problem solving skills and attitudes for 10th grade students

    NASA Astrophysics Data System (ADS)

    Gauchat, Carrie

    This study utilized both quantitative and qualitative methods in investigating how a novel science curriculum, geared towards the 21 st century student, affected skills and attitudes towards science for tenth grade students. The quantitative portion of the study was a quasi-experimental design since random groups were not possible. This portion of the study used a pretest/posttest design to measure any improvement in science skills, and a Likert scale survey to measure any improvements in students' attitudes. Statistical tests revealed no significant differences between students who received the novel curriculum versus those students who received a traditional curriculum. Both groups showed significant improvements in all skill areas. Qualitatively, the researcher used informal teacher interviews and student surveys to identify the most relevant and effective curriculum components for the 21st century student. The findings suggest that the task of creating a meaningful and relevant curriculum based on the necessary skills of this century is not an easy task. There is much more work to be done in this area, but according to the qualitative findings integrated design and student technology are promising.

  8. Racial/ethnic differences in the relationship between parental education and substance use among U.S. 8th-, 10th-, and 12th-grade students: findings from the Monitoring the Future project.

    PubMed

    Bachman, Jerald G; O'Malley, Patrick M; Johnston, Lloyd D; Schulenberg, John E; Wallace, John M

    2011-03-01

    Secondary school students' rates of substance use vary significantly by race/ethnicity and by their parents' level of education (a proxy for socioeconomic status). The relationship between students' substance use and race/ethnicity is, however, potentially confounded because parental education also differs substantially by race/ethnicity. This report disentangles the confounding by examining White, African American, and Hispanic students separately, showing how parental education relates to cigarette smoking, heavy drinking, and illicit drug use. Data are from the 1999-2008 Monitoring the Future nationally representative in-school surveys of more than 360,000 students in Grades 8, 10, and 12. (a) High proportions of Hispanic students have parents with the lowest level of education, and the relatively low levels of substance use by these students complicates total sample data linking parental education and substance use. (b) There are clear interactions: Compared with White students, substance use rates among African American and Hispanic students are less strongly linked with parental education (and are lower overall). (c) Among White students, 8th and 10th graders show strong negative relations between parental education and substance use, whereas by 12th grade their heavy drinking and marijuana use are not correlated with parental education. Low parental education appears to be much more of a risk factor for White students than for Hispanic or African American students. Therefore, in studies of substance use epidemiology, findings based on predominantly White samples are not equally applicable to other racial/ethnic subgroups. Conversely, the large proportions of minority students in the lowest parental education category can mask or weaken findings that are clearer among White students alone.

  9. Biology of soft tissue wound healing and regeneration--consensus report of Group 1 of the 10th European Workshop on Periodontology.

    PubMed

    Hämmerle, Christoph H F; Giannobile, William V

    2014-04-01

    The scope of this consensus was to review the biological processes of soft tissue wound healing in the oral cavity and to histologically evaluate soft tissue healing in clinical and pre-clinical models. To review the current knowledge regarding the biological processes of soft tissue wound healing at teeth, implants and on the edentulous ridge. Furthermore, to review soft tissue wound healing at these sites, when using barrier membranes, growth and differentiation factors and soft tissue substitutes. Searches of the literature with respect to recessions at teeth and soft tissue deficiencies at implants, augmentation of the area of keratinized tissue and soft tissue volume were conducted. The available evidence was collected, categorized and summarized. Oral mucosal and skin wound healing follow a similar pattern of the four phases of haemostasis, inflammation, proliferation and maturation/matrix remodelling. The soft connective tissue determines the characteristics of the overlaying oral epithelium. Within 7-14 days, epithelial healing of surgical wounds at teeth is completed. Soft tissue healing following surgery at implants requires 6-8 weeks for maturation. The resulting tissue resembles scar tissue. Well-designed pre-clinical studies providing histological data have been reported describing soft tissue wound healing, when using barrier membranes, growth and differentiation factors and soft tissue substitutes. Few controlled clinical studies with low numbers of patients are available for some of the treatments reviewed at teeth. Whereas, histological new attachment has been demonstrated in pre-clinical studies resulting from some of the treatments reviewed, human histological data commonly report a lack of new attachment but rather long junctional epithelial attachment and connective tissue adhesion. Regarding soft tissue healing at implants human data are very scarce. Oral soft tissue healing at teeth, implants and the edentulous ridge follows the same phases

  10. Self-Graded and Teacher-Graded Achievement in a BSCS High School Biology Course.

    ERIC Educational Resources Information Center

    Good, Wallace Martin

    The effect of self-grading on biology students exposed to the same instruction (except grading) in an upper-middle class public school was investigated by comparing self-graded and teacher-graded populations in (1) achievement in high school biology, (2) level of aspiration behavior, (3) critical thinking skills, and (4) productivity. The…

  11. Proceedings, 10th Central Hardwood Forest Conference

    Treesearch

    Kurt W. Gottschalk; Sandra L.C., eds. Fosbroke

    1995-01-01

    Two invited papers, 57 volunteer papers, and 22 volunteer poster summaries presented at the 10th Central Hardwood Forest Conference. Presentation topics included economics, forest amenities, harvesting, logging safety, utilization, physiology, genetics, ecology, regeneration, silviculture, protection, management, hydrology, soils, nutrient cycling, and hardwood markets...

  12. Columbines 10th Anniversary Finds Lessons Learned

    ERIC Educational Resources Information Center

    Trump, Kenneth S.

    2009-01-01

    When school administrators hear that the 10th anniversary of the Columbine High School attack is approaching, most shake their heads in disbelief. They are amazed that 10 years have passed since this watershed event, which changed the landscape of K-12 school safety. In this article, the author reflects on the lessons learned from the Columbine…

  13. 10th World Earthquake Engineering Conference

    NASA Astrophysics Data System (ADS)

    Ranguelov, Boyko; Housner, George

    The 10th World Conference on Earthquake Engineering (10WCEE) took place from July 19 to 24 in Madrid, Spain. More than 1500 participants from 51 countries attended the conference. All aspects of earthquake engineering were covered and a worldwide update of modern research and practice, as well as future directions in the field, was provided through reports, papers, posters, two keynote lectures, ten state-ofthe-art reports, and eleven special theme sessions.

  14. Pollination biology of basal angiosperms (ANITA Grade)

    Treesearch

    Leonard B. Thien; Peter Bernhardt; Margaret S. Devall; Zhi-Duan Chen; Yi-bo Luo; Jian-Hua Fan; Liang-Chen Yuan; Joseph H. Williams

    2009-01-01

    The fi rst three branches of the angiosperm phylogenetic tree consist of eight families with ~201 species of plants (the ANITA grade). The oldest fl ower fossil for the group is dated to the Early Cretaceous (115 – 125 Mya) and identifi ed to the Nymphaeales. The fl owers of extant plants in the ANITA grade are small, and pollen is the edible reward (rarely nectar or...

  15. PREFACE: 10th Joint Conference on Chemistry

    NASA Astrophysics Data System (ADS)

    2016-02-01

    The 10th Joint Conference on Chemistry is an international conference organized by 4 chemistry departments of 4 universities in central Java, Indonesia. The universities are Sebelas Maret University, Diponegoro University, Semarang State University and Soedirman University. The venue was at Solo, Indonesia, at September 8-9, 2015. The total conference participants are 133 including the invited speakers. The conference emphasized the multidisciplinary chemical issue and impact of today's sustainable chemistry which covering the following topics: • Material innovation for sustainable goals • Development of renewable and sustainable energy based on chemistry • New drug design, experimental and theoretical methods • Green synthesis and characterization of material (from molecule to functionalized materials) • Catalysis as core technology in industry • Natural product isolation and optimization

  16. WISE Inquiry in Fifth Grade Biology.

    ERIC Educational Resources Information Center

    Williams, Michelle; Linn, Marcia C.

    2002-01-01

    Reports on a two-year study designed to investigate how a Web-Based Integrated Science Environment (WISE) project called "Plants in Space" featuring classroom investigations enabled 5th grade students to increase their understanding of plant growth and development. Investigates two versions of the curriculum and considers how understanding of the…

  17. 10th Arnual Great Moonbuggy Race

    NASA Technical Reports Server (NTRS)

    2003-01-01

    Students from across the United States and as far away as Puerto Rico came to Huntsville, Alabama for the 10th annual Great Moonbuggy Race at the U.S. Space Rocket Center. Sixty-eight teams, representing high schools and colleges from all over the United States, and Puerto Rico, raced human powered vehicles over a lunar-like terrain. Vehicles powered by two team members, one male and one female, raced one at a time over a half-mile obstacle course of simulated moonscape terrain. The competition is inspired by development, some 30 years ago, of the Lunar Roving Vehicle (LRV), a program managed by the Marshall Space Flight Center. The LRV team had to design a compact, lightweight, all-terrain vehicle that could be transported to the Moon in the small Apollo spacecraft. The Great Moonbuggy Race challenges students to design and build a human powered vehicle so they will learn how to deal with real-world engineering problems similar to those faced by the actual NASA LRV team. In this photograph, Team No. 1 from North Dakota State University in Fargo conquers one of several obstacles on their way to victory. The team captured first place honors in the college level competition.

  18. 10th Arnual Great Moonbuggy Race

    NASA Technical Reports Server (NTRS)

    2003-01-01

    Students from across the United States and as far away as Puerto Rico came to Huntsville, Alabama for the 10th annual Great Moonbuggy Race at the U.S. Space Rocket Center. Sixty-eight teams, representing high schools and colleges from all over the United States, and Puerto Rico, raced human powered vehicles over a lunar-like terrain. Vehicles powered by two team members, one male and one female, raced one at a time over a half-mile obstacle course of simulated moonscape terrain. The competition is inspired by development, some 30 years ago, of the Lunar Roving Vehicle (LRV), a program managed by the Marshall Space Flight Center. The LRV team had to design a compact, lightweight, all-terrain vehicle that could be transported to the Moon in the small Apollo spacecraft. The Great Moonbuggy Race challenges students to design and build a human powered vehicle so they will learn how to deal with real-world engineering problems similar to those faced by the actual NASA LRV team. In this photograph, racers from C-1 High School in Lafayette County, Missouri, get ready to tackle the course. The team pedaled its way to victory over 29 other teams to take first place honors. It was the second year in a row a team from the school has placed first in the high school division. (NASA/MSFC)

  19. 10th Arnual Great Moonbuggy Race

    NASA Technical Reports Server (NTRS)

    2003-01-01

    Students from across the United States and as far away as Puerto Rico came to Huntsville, Alabama for the 10th annual Great Moonbuggy Race at the U.S. Space Rocket Center. Sixty-eight teams, representing high schools and colleges from all over the United States, and Puerto Rico, raced human powered vehicles over a lunar-like terrain. Vehicles powered by two team members, one male and one female, raced one at a time over a half-mile obstacle course of simulated moonscape terrain. The competition is inspired by development, some 30 years ago, of the Lunar Roving Vehicle (LRV), a program managed by the Marshall Space Flight Center. The LRV team had to design a compact, lightweight, all-terrain vehicle that could be transported to the Moon in the small Apollo spacecraft. The Great Moonbuggy Race challenges students to design and build a human powered vehicle so they will learn how to deal with real-world engineering problems similar to those faced by the actual NASA LRV team. In this photograph, Team No. 1 from North Dakota State University in Fargo conquers one of several obstacles on their way to victory. The team captured first place honors in the college level competition.

  20. 10th Arnual Great Moonbuggy Race

    NASA Technical Reports Server (NTRS)

    2003-01-01

    Students from across the United States and as far away as Puerto Rico came to Huntsville, Alabama for the 10th annual Great Moonbuggy Race at the U.S. Space Rocket Center. Sixty-eight teams, representing high schools and colleges from all over the United States, and Puerto Rico, raced human powered vehicles over a lunar-like terrain. Vehicles powered by two team members, one male and one female, raced one at a time over a half-mile obstacle course of simulated moonscape terrain. The competition is inspired by development, some 30 years ago, of the Lunar Roving Vehicle (LRV), a program managed by the Marshall Space Flight Center. The LRV team had to design a compact, lightweight, all-terrain vehicle that could be transported to the Moon in the small Apollo spacecraft. The Great Moonbuggy Race challenges students to design and build a human powered vehicle so they will learn how to deal with real-world engineering problems similar to those faced by the actual NASA LRV team. In this photograph, racers from C-1 High School in Lafayette County, Missouri, get ready to tackle the course. The team pedaled its way to victory over 29 other teams to take first place honors. It was the second year in a row a team from the school has placed first in the high school division. (NASA/MSFC)

  1. The molecular biology of WHO grade II gliomas.

    PubMed

    Marko, Nicholas F; Weil, Robert J

    2013-02-01

    The WHO grading scheme for glial neoplasms assigns Grade II to 5 distinct tumors of astrocytic or oligodendroglial lineage: diffuse astrocytoma, oligodendroglioma, oligoastrocytoma, pleomorphic xanthoastrocytoma, and pilomyxoid astrocytoma. Although commonly referred to collectively as among the "low-grade gliomas," these 5 tumors represent molecularly and clinically unique entities. Each is the subject of active basic research aimed at developing a more complete understanding of its molecular biology, and the pace of such research continues to accelerate. Additionally, because managing and predicting the course of these tumors has historically proven challenging, translational research regarding Grade II gliomas continues in the hopes of identifying novel molecular features that can better inform diagnostic, prognostic, and therapeutic strategies. Unfortunately, the basic and translational literature regarding the molecular biology of WHO Grade II gliomas remains nebulous. The authors' goal for this review was to present a comprehensive discussion of current knowledge regarding the molecular characteristics of these 5 WHO Grade II tumors on the chromosomal, genomic, and epigenomic levels. Additionally, they discuss the emerging evidence suggesting molecular differences between adult and pediatric Grade II gliomas. Finally, they present an overview of current strategies for using molecular data to classify low-grade gliomas into clinically relevant categories based on tumor biology.

  2. Pollination biology of basal angiosperms (ANITA grade).

    PubMed

    Thien, Leonard B; Bernhardt, Peter; Devall, Margaret S; Chen, Zhi-Duan; Luo, Yi-Bo; Fan, Jian-Hua; Yuan, Liang-Chen; Williams, Joseph H

    2009-01-01

    The first three branches of the angiosperm phylogenetic tree consist of eight families with ∼201 species of plants (the ANITA grade). The oldest flower fossil for the group is dated to the Early Cretaceous (115-125 Mya) and identified to the Nymphaeales. The flowers of extant plants in the ANITA grade are small, and pollen is the edible reward (rarely nectar or starch bodies). Unlike many gymnosperms that secrete "pollination drops," ANITA-grade members examined thus far have a dry-type stigma. Copious secretions of stigmatic fluid are restricted to the Nymphaeales, but this is not nectar. Floral odors, floral thermogenesis (a resource), and colored tepals attract insects in deceit-based pollination syndromes throughout the first three branches of the phylogenetic tree. Self-incompatibility and an extragynoecial compitum occur in some species in the Austrobaileyales. Flies are primary pollinators in six families (10 genera). Beetles are pollinators in five families varying in importance as primary (exclusive) to secondary vectors of pollen. Bees are major pollinators only in the Nymphaeaceae. It is hypothesized that large flowers in Nymphaeaceae are the result of the interaction of heat, floral odors, and colored tepals to trap insects to increase fitness.

  3. NASA's Aqua Satellite Celebrates 10th Annivesary

    NASA Image and Video Library

    2017-09-28

    NASA's Aqua Satellite Celebrates 10th Anniversary The Aqua satellite mission has proved to be a major component of the Earth Observing System (EOS) for its ability to gather unprecedented amounts of information on Earth’s water cycle, including measurements on water vapor, clouds, precipitation, ice, and snow. Aqua data has helped improve weather prediction, detection of forest fires, volcanic ash, and sandstorms. In addition, Aqua data have been used to detect and monitor such greenhouse gases as carbon dioxide, water vapor, and methane, and to examine the energy imbalance at the top of the Earth's atmosphere and the various components of it. With these uses of Aqua data, scientists have been able to better understand our Earth over the course of the past ten years. Aqua is a major international Earth Science satellite mission centered at NASA. Launched on May 4, 2002, the satellite has six different Earth-observing instruments on board and is named for the large amount of information being obtained about water in the Earth system from its stream of approximately 89 Gigabytes of data a day. The water variables being measured include almost all elements of the water cycle and involve water in its liquid, solid, and vapor forms. Additional variables being measured include radiative energy fluxes, aerosols, vegetation cover on the land, phytoplankton and dissolved organic matter in the oceans, and air, land, and water temperatures. For more information about NASA's Aqua satellite, visit: aqua.nasa.gov ------------ Caption: Artist rendition of the NASA's Aqua satellite, which carries the MODIS and AIRS instruments. Credit: NASA NASA image use policy. NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission. Follow us on

  4. PREFACE: 10th International LISA Symposium

    NASA Astrophysics Data System (ADS)

    Ciani, Giacomo; Conklin, John W.; Mueller, Guido

    2015-05-01

    large mission in Europe, and a potential comprehensive technology development program followed by a number one selection in the 2020 Decadal Survey in the U.S. The selection of L2 was combined with the selection of L3 and the newly formed eLISA consortium submitted an updated NGO concept under the name eLISA, or Evolved LISA, to the competition. It was widely believed that the launch date of 2028 for L2, would be seen by the selection committee as providing sufficient time to retire any remaining technological risks for LISA. However, the committee selected the 'Hot and Energetic Universe', an X-ray mission, as the science theme for L2 and the 'Gravitational Universe', the eLISA science theme, for L3. Although very disappointed, it was not a surprising decision. LPF did experience further delays just prior to and during the selection process, which may have influenced the decision. The strong technology program in the U.S. never materialized because WFIRST, the highest priority large mission in the 2010 Decadal following JWST, not only moved ahead but was also up-scoped significantly. The L3 selection, the WFIRST schedule, and the missing comprehensive technology development in the U.S. will make a launch of a GW mission in the 2020s very difficult. Although many in the LISA community, including ourselves, did not want to accept this harsh reality, this was the situation just prior to the 10th LISA symposium. However, despite all of this, the LISA team is now hopeful! In May of 2014 the LISA community gathered at the University of Florida in Gainesville to discuss progress in both the science and technology of LISA. The most notable plenary and contributed sessions included updates on the progress of LISA Pathfinder, which remains on track for launch in the second half of 2015(!), the science of LISA which ranges from super-massive black hole mergers and cosmology to the study of compact binaries within our own galaxy, and updates from other programs that share some of

  5. Threading Granules in Freiburg. 2nd International Symposium on “One Mitochondrion, Many Diseases - Biological and Molecular Perspectives”, a FRIAS Junior Researcher Conference, Freiburg im Breisgau, Germany, March 9th/10th, 2016.

    PubMed Central

    Braun, Ralf J.; Zerbes, Ralf M.; Steinberg, Florian; Gris, Denis; Dumit, Verónica I.

    2016-01-01

    Altered mitochondrial activities play an important role in many different human disorders, including cancer and neurodegeneration. At the Freiburg Institute of Advanced Studies (FRIAS) Junior Researcher Conference “One Mitochondrion, Many Diseases - Biological and Molecular Perspectives” (University of Freiburg, Freiburg, Germany), junior and experienced researches discussed common and distinct mechanisms of mitochondrial contributions to various human disorders. PMID:28357325

  6. A Chemistry Course for High Ability 8th, 9th, and 10th Graders.

    ERIC Educational Resources Information Center

    Kilker, Richard, Jr.

    1985-01-01

    Describes a chemistry course designed, in cooperation with local public school districts, to intellectually challenge a group of 8th, 9th, and 10th grade students. Organic chemistry and biochemistry are integrated into the course (titled Chemistry and Everyday Life) to emphasize practical applications of chemistry. The course syllabus is included.…

  7. Interracial Best Friendships: Relationship with 10th Graders' Academic Achievement Level

    ERIC Educational Resources Information Center

    Newgent, Rebecca A.; Lee, Sang Min; Daniel, Ashley F.

    2007-01-01

    The authors examined the relationships between interracial best friendships and 10th-grade students' academic achievement. The analysis consisted of data from 13,134 participants in the ELS:2002 database. The results indicated that interracial best friendships for minority students (African Americans, Latino Americans, Asian Americans, and…

  8. Your Body, Your Life: Human Biology for the Middle Grades.

    ERIC Educational Resources Information Center

    Hechinger, Fred M.; Russell, Avery

    1995-01-01

    This issue of Carnegie Quarterly focuses on a middle grades life science project in which students work together in groups to explore the properties of DNA. The project, entitled HumBio, was developed to capture young people's interest in science by promoting an understanding of their own biology so they can see how their health and well-being are…

  9. The molecular biology of WHO grade I astrocytomas.

    PubMed

    Marko, Nicholas F; Weil, Robert J

    2012-12-01

    World Health Organization (WHO) grade I astrocytomas include pilocytic astrocytoma (PA) and subependymal giant cell astrocytoma (SEGA). As technologies in pharmacologic neo-adjuvant therapy continue to progress and as molecular characteristics are progressively recognized as potential markers of both clinically significant tumor subtypes and response to therapy, interest in the biology of these tumors has surged. An updated review of the current knowledge of the molecular biology of these tumors is needed. We conducted a Medline search to identify published literature discussing the molecular biology of grade I astrocytomas. We then summarized this literature and discuss it in a logical framework through which the complex biology of these tumors can be clearly understood. A comprehensive review of the molecular biology of WHO grade I astrocytomas is presented. The past several years have seen rapid progress in the level of understanding of PA in particular, but the molecular literature regarding both PA and SEGA remains nebulous, ambiguous, and occasionally contradictory. In this review we provide a comprehensive discussion of the current understanding of the chromosomal, genomic, and epigenomic features of both PA and SEGA and provide a logical framework in which these data can be more readily understood.

  10. EDITORIAL: STAM celebrates its 10th anniversary STAM celebrates its 10th anniversary

    NASA Astrophysics Data System (ADS)

    Ushioda, Sukekatsu

    2010-02-01

    I would like to extend my warmest greetings to the readers and staff of Science and Technology of Advanced Materials (STAM), on the occasion of its 10th anniversary. Launched in 2000, STAM marks this year an important milestone in its history. This is a great occasion to celebrate. STAM was founded by Tsuyoshi Masumoto in collaboration with Teruo Kishi and Toyonobu Yoshida as a world-class resource for the materials science community. It was initially supported by several materials research societies and was published as a regular peer-reviewed journal. Significant changes occurred in 2008, when the National Institute for Materials Science (NIMS) became solely responsible for all the costs of maintaining the journal. STAM was transformed into an open-access journal published by NIMS in partnership with IOP Publishing. As a result, the publication charges were waived and the entire STAM content, including all back issues, became freely accessible through the IOP Publishing website. The transition has made STAM more competitive and successful in global publication communities, with innovative ideas and approaches. The journal has also changed its publication strategy, aiming to publish a limited number of high-quality articles covering the frontiers of materials science. Special emphasis has been placed on reviews and focus issues, providing recent summaries of hot materials science topics. Publication has become electronic only; however, selected issues are printed and freely distributed at major international scientific events. The Editorial Board has been expanded to include leading experts from all over the world and, together with the Editorial Office, the board members are doing their best to transform STAM into a leading materials science journal. These efforts are paying off, as shown by the rapidly increasing number of article downloads and citations in 2009. I believe that the STAM audience can not only deepen their knowledge in their own specialties but

  11. The Effect of Using the "SQP2RS via WTL" Strategy through Science Context to 10th Graders' Reading Comprehension in English in Palestine

    ERIC Educational Resources Information Center

    Qabaja, Ziad Mohammed Mahmoud; Nafi', Jamal Subhi Ismail; Abu-Nimah, Maisa' Issa Khalil

    2016-01-01

    The study aimed at investigating the effect of using the "SQP2RS via WTL" strategy through science context to 10th graders' reading comprehension in English in Bethlehem district in Palestine. The study has been applied on a purposeful sample of 10th grade students at public schools in Bethlehem district in the academic year 2015/2016.…

  12. Nineth Rib Syndrome after 10(th) Rib Resection.

    PubMed

    Yu, Hyun Jeong; Jeong, Yu Sub; Lee, Dong Hoon; Yim, Kyoung Hoon

    2016-07-01

    The 12(th) rib syndrome is a disease that causes pain between the upper abdomen and the lower chest. It is assumed that the impinging on the nerves between the ribs causes pain in the lower chest, upper abdomen, and flank. A 74-year-old female patient visited a pain clinic complaining of pain in her back, and left chest wall at a 7 on the 0-10 Numeric Rating scale (NRS). She had a lateral fixation at T12-L2, 6 years earlier. After the operation, she had multiple osteoporotic compression fractures. When the spine was bent, the patient complained about a sharp pain in the left mid-axillary line and radiating pain toward the abdomen. On physical examination, the 10(th) rib was not felt, and an image of the rib-cage confirmed that the left 10(th) rib was severed. When applying pressure from the legs to the 9(th) rib of the patient, pain was reproduced. Therefore, the patient was diagnosed with 9(th) rib syndrome, and ultrasound-guided 9(th) and 10(th) intercostal nerve blocks were performed around the tips of the severed 10(th) rib. In addition, local anesthetics with triamcinolone were administered into the muscles beneath the 9(th) rib at the point of the greatest tenderness. The patient's pain was reduced to NRS 2 point. In this case, it is suspected that the patient had a partial resection of the left 10(th) rib in the past, and subsequent compression fractures at T8 and T9 led to the deformation of the rib cage, causing the tip of the remaining 10(th) rib to impinge on the 9(th) intercostal nerves, causing pain.

  13. Nineth Rib Syndrome after 10th Rib Resection

    PubMed Central

    Yu, Hyun Jeong; Jeong, Yu Sub; Lee, Dong Hoon

    2016-01-01

    The 12th rib syndrome is a disease that causes pain between the upper abdomen and the lower chest. It is assumed that the impinging on the nerves between the ribs causes pain in the lower chest, upper abdomen, and flank. A 74-year-old female patient visited a pain clinic complaining of pain in her back, and left chest wall at a 7 on the 0-10 Numeric Rating scale (NRS). She had a lateral fixation at T12-L2, 6 years earlier. After the operation, she had multiple osteoporotic compression fractures. When the spine was bent, the patient complained about a sharp pain in the left mid-axillary line and radiating pain toward the abdomen. On physical examination, the 10th rib was not felt, and an image of the rib-cage confirmed that the left 10th rib was severed. When applying pressure from the legs to the 9th rib of the patient, pain was reproduced. Therefore, the patient was diagnosed with 9th rib syndrome, and ultrasound-guided 9th and 10th intercostal nerve blocks were performed around the tips of the severed 10th rib. In addition, local anesthetics with triamcinolone were administered into the muscles beneath the 9th rib at the point of the greatest tenderness. The patient's pain was reduced to NRS 2 point. In this case, it is suspected that the patient had a partial resection of the left 10th rib in the past, and subsequent compression fractures at T8 and T9 led to the deformation of the rib cage, causing the tip of the remaining 10th rib to impinge on the 9th intercostal nerves, causing pain. PMID:27413484

  14. 1/10th Scale Model X-15

    NASA Image and Video Library

    1958-07-08

    A 1/10th Scale Model of the X-15 research plane is prepared in Langley's 7 x 10 Foot Wind Tunnel for studies relating to spin characteristics. -- Photograph published in Winds of Change, 75th Anniversary NASA publication (page 66), by James Schultz.

  15. Beyond Discipline: From Compliance to Community. 10th Anniversary Edition

    ERIC Educational Resources Information Center

    Kohn, Alfie

    2006-01-01

    In this 10th anniversary edition of an Association for Supervision and Curriculum Development (ASCD) best seller, the author reflects on his revolutionary ideas in the context of today's emphasis on school accountability and high-stakes testing. The author relates how his innovative approach--where teachers learn to work with students, rather than…

  16. Factors Related to Alcohol Use among 6th through 10th Graders: The Sarasota County Demonstration Project

    ERIC Educational Resources Information Center

    Eaton, Danice K.; Forthofer, Melinda S.; Zapata, Lauren B.; Brown, Kelli R. McCormack; Bryant, Carol A.; Reynolds, Sherri T.; McDermott, Robert J.

    2004-01-01

    Alcohol consumption by youth can produce negative health outcomes. This study identified correlates of lifetime alcohol use, recent alcohol use, and binge drinking among youth in sixth through 10th grade (n = 2,004) in Sarasota County, Fla. Results from a closed-ended, quantitative survey acknowledged a range of personal, social and environmental…

  17. Ibn Imran's 10th century Treatise on Melancholy.

    PubMed

    Omrani, Adel; Holtzman, Niki S; Akiskal, Hagop S; Ghaemi, S Nassir

    2012-12-10

    Some see current views of mental illness, such as depression, as merely contemporary social constructions, with madness seen as a modernist break from medieval and ancient concepts. In contrast to these assumptions, here we describe one of the earliest texts on melancholia and mania, by Ibn Imran, an Arab physician of the 10th century. Copyright © 2012 Elsevier B.V. All rights reserved.

  18. The Relationship between Grade 11 Palestinian Attitudes toward Biology and Their Perceptions of the Biology Learning Environment

    ERIC Educational Resources Information Center

    Zeidan, Afif

    2010-01-01

    The aims of the study were to investigate (a) the relationship between the attitudes toward biology and perceptions of the biology learning environment among grade 11 students in Tulkarm District, Palestine and (b) the effect of gender and residence of these students on their attitudes toward biology and on their perceptions of the biology…

  19. The Relationship between Grade 11 Palestinian Attitudes toward Biology and Their Perceptions of the Biology Learning Environment

    ERIC Educational Resources Information Center

    Zeidan, Afif

    2010-01-01

    The aims of the study were to investigate (a) the relationship between the attitudes toward biology and perceptions of the biology learning environment among grade 11 students in Tulkarm District, Palestine and (b) the effect of gender and residence of these students on their attitudes toward biology and on their perceptions of the biology…

  20. meeting summary 10th AMS Symposium on Education.

    NASA Astrophysics Data System (ADS)

    Smith, D. R.; Hayes, M. C.; Ramamurthy, M. K.; Zeitler, J. W.; Murphy, K. A.; Croft, P. J.; Nese, J. M.; Friedman, H. A.; Robinson, H. W.; Thormeyer, C. D.; Ruscher, P. A.; Pandya, R. E.

    2001-12-01

    The American Meteorological Society held its 10th Symposium on Education in conjunction with the 82nd Annual Meeting in Albuquerque, New Mexico. The theme of 2001's symposium was enhancing public awareness of the atmospheric and oceanic environments. Thirty-six oral presentations and 38 poster presentations summarized a variety of educational programs or examined educational issues at both the precollege and university levels. There was a special session on increasing awareness of meteorology and oceanography through popular and informal educational activities, as well as a joint session with the 17th International Conference on Interactive Information and Processing Systems (IIPS) for Meteorology, Oceanography, and Hydrology on using the World Wide Web to deliver information pertaining to the atmosphere, oceans, and coastal zone. Over 200 people representing a wide spectrum of the Society attended one or more of the sessions in this 2-day conference. The program for the 10th Symposium on Education can be viewed in the November 2000 issue of the Bulletin.

  1. Selected Papers from the International Conference on College Teaching and Learning (10th, Jacksonville, Florida, April 1999).

    ERIC Educational Resources Information Center

    Chambers, Jack A., Ed.

    These 20 papers were selected from those presented at the 10th International Conference on College Teaching and Learning. Papers have the following titles and authors: (1) "Case It! A Project to Integrate Collaborative Case-Based Learning into International Undergraduate Biology Curricula" (Bergland, Klyczek, Lundeberg, Mogen, Johnson); (2) "The…

  2. Selected Papers from the International Conference on College Teaching and Learning (10th, Jacksonville, Florida, April 1999).

    ERIC Educational Resources Information Center

    Chambers, Jack A., Ed.

    These 20 papers were selected from those presented at the 10th International Conference on College Teaching and Learning. Papers have the following titles and authors: (1) "Case It! A Project to Integrate Collaborative Case-Based Learning into International Undergraduate Biology Curricula" (Bergland, Klyczek, Lundeberg, Mogen, Johnson); (2) "The…

  3. OVARIAN LOW-GRADE AND HIGH-GRADE SEROUS CARCINOMA: Pathogenesis, Clinicopathologic and Molecular Biologic Features, and Diagnostic Problems

    PubMed Central

    Vang, Russell; Shih, Ie-Ming; Kurman, Robert J.

    2009-01-01

    Ovarian serous carcinomas have been graded using various systems. Recently, a 2-tier system in which tumors are subdivided into low-grade and high-grade has been proposed. This approach is simplistic, reproducible, and based on biologic evidence indicating that both tumors develop via different pathways. Low-grade serous carcinomas exhibit low-grade nuclei with infrequent mitotic figures. They evolve from adenofibromas or borderline tumors, have frequent mutations of the KRAS, BRAF, or ERBB2 genes, and lack TP53 mutations (Type I pathway). The progression to invasive carcinoma is a slow step-wise process. Low-grade tumors are indolent and have better outcome than high-grade tumors. In contrast, high-grade serous carcinomas have high-grade nuclei and numerous mitotic figures. Identification of a precursor lesion in the ovary has been elusive and therefore the origin of ovarian carcinoma has been described as de novo. More recently, studies have suggested that a proportion appear to originate from intraepithelial carcinoma in the fallopian tube. The development of these tumors is rapid (Type II pathway). The vast majority are characterized by TP53 mutations and lack mutations of KRAS, BRAF, or ERBB2. Although both types of serous carcinomas evolve along different pathways, rare high-grade serous carcinomas seem to arise through the Type I pathway. Immunohistochemical stains for p53, p16, and Ki-67 for distinction of low- from high-grade tumors are of limited value but can be helpful in selected instances. This review provides an update on the pathogenesis and clinicopathologic features of these two types of serous carcinomas and addresses some of the diagnostic problems that are encountered in routine practice. PMID:19700937

  4. Alcohol and Drug Prevention Curriculum Resource Guide Grades 10-12: Science--Biology.

    ERIC Educational Resources Information Center

    North Carolina State Dept. of Public Instruction, Raleigh. Alcohol and Drug Defense Program.

    This curriculum resource guide on alcohol and drug prevention provides suggested activities for teachers of grades 10 through 12. Three integrated learning activities for science/biology and healthful living are presented. The science/biology goal is understanding the biology of humans. Healthful living goals include analyzing drug and alcohol use…

  5. Byzantine psychosomatic medicine (10th- 15th century).

    PubMed

    Eftychiadis, A C

    1999-01-01

    Original elements of the psychosomatic medicine are examined by the most important byzantine physicians and medico-philosophers during the 10th -15th centuries. These topics concern the psycosomatic unity of the human personality, the psychosomatic disturbances, diseases and interactions, organic diseases, which cause psychical disorders, psychical pathological reactions, which result in somatic diseases, the psychology of the depth of the soul, the psychosomatic pathogenetic reasons of psychiatric and neurological diseases and suicide, the influence of witchcraft on psychosomatic affections, maniac and demoniac patients. The psychosomatic treatment has a holistic preventive and curative character and encloses sanitary and dietary measures, physiotherapy, curative bathing, strong purgation, pharmaceutical preparations proportional to the disease, religious disposition, psychoanalysis and psychotherapy with dialogue and the contribution of the divine factor. The late byzantine medical science contributed mainly to the progress of the psychosomatic medicine and therapeutics. The saint woman physician Hermione (1st -2nd cent.) is considered as the protectress of psychosomatic medicine.

  6. Formative Assessment and Increased Student Involvement Increase Grades in an Upper Secondary School Biology Course

    ERIC Educational Resources Information Center

    Granbom, Martin

    2016-01-01

    This study shows that formative methods and increased student participation has a positive influence on learning measured as grades. The study was conducted during the course Biology A in a Swedish Upper Secondary School. The students constructed grade criteria and defined working methods and type of examination within a given topic, Gene…

  7. The Effectiveness of the New 9th Grade Biology Curriculum on Students' Environmental Awareness

    ERIC Educational Resources Information Center

    Cetin, Gulcan; Nisanci, Seda Hilal

    2010-01-01

    The aim of this study was to examine the effectiveness of a new 9th grade biology curriculum on students' environmental awareness. Participants included 91 ninth grade students in a high school in Balikesir during the spring semester of the 2008-2009 academic years. Two classrooms, including 22 and 24 students respectively, were randomly assigned…

  8. The Effectiveness of the New 9th Grade Biology Curriculum on Students' Environmental Awareness

    ERIC Educational Resources Information Center

    Cetin, Gulcan; Nisanci, Seda Hilal

    2010-01-01

    The aim of this study was to examine the effectiveness of a new 9th grade biology curriculum on students' environmental awareness. Participants included 91 ninth grade students in a high school in Balikesir during the spring semester of the 2008-2009 academic years. Two classrooms, including 22 and 24 students respectively, were randomly assigned…

  9. Formative Assessment and Increased Student Involvement Increase Grades in an Upper Secondary School Biology Course

    ERIC Educational Resources Information Center

    Granbom, Martin

    2016-01-01

    This study shows that formative methods and increased student participation has a positive influence on learning measured as grades. The study was conducted during the course Biology A in a Swedish Upper Secondary School. The students constructed grade criteria and defined working methods and type of examination within a given topic, Gene…

  10. Marine Biology and Oceanography, Grades Nine to Twelve. Part I.

    ERIC Educational Resources Information Center

    Kolb, James A.

    This unit, one of a series designed to develop and foster an understanding of the marine environment, presents marine science activities for students in grades 9-12. The unit, focusing on physical factors influencing life in the sea, is divided into sections dealing with: (1) the ocean floor; (2) tides; (3) ocean waves; (4) ocean currents; (5)…

  11. Marine Biology and Oceanography, Grades Nine to Twelve. Part II.

    ERIC Educational Resources Information Center

    Kolb, James A.

    This unit, one of a series designed to develop and foster an understanding of the marine environment, presents marine science activities for students in grades 9-12. The unit, focusing on sea plants/animals and their interactions with each other and the non-living environment, has sections dealing with: marine ecology; marine bacteriology;…

  12. Marine Biology and Oceanography, Grades Seven and Eight.

    ERIC Educational Resources Information Center

    Kolb, James A.

    This unit, one of a series designed to develop and foster an understanding of the marine environment, presents marine science activities for students in grades 7 and 8. The unit, focusing on life in the sea and the physical factors which influence that life, is divided into sections dealing with: (1) the theory of plate tectonics; (2) ocean floor…

  13. Marine Biology and Oceanography, Grades Nine to Twelve. Part II.

    ERIC Educational Resources Information Center

    Kolb, James A.

    This unit, one of a series designed to develop and foster an understanding of the marine environment, presents marine science activities for students in grades 9-12. The unit, focusing on sea plants/animals and their interactions with each other and the non-living environment, has sections dealing with: marine ecology; marine bacteriology;…

  14. Marine Biology and Oceanography, Grades Nine to Twelve. Part I.

    ERIC Educational Resources Information Center

    Kolb, James A.

    This unit, one of a series designed to develop and foster an understanding of the marine environment, presents marine science activities for students in grades 9-12. The unit, focusing on physical factors influencing life in the sea, is divided into sections dealing with: (1) the ocean floor; (2) tides; (3) ocean waves; (4) ocean currents; (5)…

  15. Marine Biology and Oceanography, Grades Seven and Eight.

    ERIC Educational Resources Information Center

    Kolb, James A.

    This unit, one of a series designed to develop and foster an understanding of the marine environment, presents marine science activities for students in grades 7 and 8. The unit, focusing on life in the sea and the physical factors which influence that life, is divided into sections dealing with: (1) the theory of plate tectonics; (2) ocean floor…

  16. Biology, Ordinary and Higher Grades, Syllabuses and Specimen Question Papers.

    ERIC Educational Resources Information Center

    Scottish Certificate of Education Examination Board, Edinburgh.

    Included is the prescribed syllabus in biology for the Scottish Certificate of Education. In two separate sections, the syllabus topics and specimen questions for final examinations are explained. This syllabus is intended to present biology as knowledge about living organisms without making the conventional division between plants and animals.…

  17. Biology, Ordinary and Higher Grades, Syllabuses and Specimen Question Papers.

    ERIC Educational Resources Information Center

    Scottish Certificate of Education Examination Board, Edinburgh.

    Included is the prescribed syllabus in biology for the Scottish Certificate of Education. In two separate sections, the syllabus topics and specimen questions for final examinations are explained. This syllabus is intended to present biology as knowledge about living organisms without making the conventional division between plants and animals.…

  18. The Comparative Toxicogenomics Database's 10th year anniversary: update 2015.

    PubMed

    Davis, Allan Peter; Grondin, Cynthia J; Lennon-Hopkins, Kelley; Saraceni-Richards, Cynthia; Sciaky, Daniela; King, Benjamin L; Wiegers, Thomas C; Mattingly, Carolyn J

    2015-01-01

    Ten years ago, the Comparative Toxicogenomics Database (CTD; http://ctdbase.org/) was developed out of a need to formalize, harmonize and centralize the information on numerous genes and proteins responding to environmental toxic agents across diverse species. CTD's initial approach was to facilitate comparisons of nucleotide and protein sequences of toxicologically significant genes by curating these sequences and electronically annotating them with chemical terms from their associated references. Since then, however, CTD has vastly expanded its scope to robustly represent a triad of chemical-gene, chemical-disease and gene-disease interactions that are manually curated from the scientific literature by professional biocurators using controlled vocabularies, ontologies and structured notation. Today, CTD includes 24 million toxicogenomic connections relating chemicals/drugs, genes/proteins, diseases, taxa, phenotypes, Gene Ontology annotations, pathways and interaction modules. In this 10th year anniversary update, we outline the evolution of CTD, including our increased data content, new 'Pathway View' visualization tool, enhanced curation practices, pilot chemical-phenotype results and impending exposure data set. The prototype database originally described in our first report has transformed into a sophisticated resource used actively today to help scientists develop and test hypotheses about the etiologies of environmentally influenced diseases. © The Author(s) 2014. Published by Oxford University Press on behalf of Nucleic Acids Research.

  19. Investigating Lebanese Grade Seven Biology Teachers Mathematical Knowledge and Skills: A Case Study

    ERIC Educational Resources Information Center

    Raad, Nawal Abou; Chatila, Hanadi

    2016-01-01

    This paper investigates Lebanese grade 7 biology teachers' mathematical knowledge and skills, by exploring how they explain a visual representation in an activity depending on the mathematical concept "Function". Twenty Lebanese in-service biology teachers participated in the study, and were interviewed about their explanation for the…

  20. Selected Biology Behavioral Objectives and Test Items for Grades 4-6.

    ERIC Educational Resources Information Center

    Leithwood, Kenneth A.

    This booklet, compiled by the Ontario Institute for Studies in Education, lists behavioral objectives for biology in grades 4-6. The major areas of biology objectives presented are relations among plants, animals, and the environment; identifying and classifying plants and animals; and structures and functions of plants and animals. Each major…

  1. PREFACE: ISEC 2005: The 10th International Superconductive Electronics Conference

    NASA Astrophysics Data System (ADS)

    Rogalla, Horst

    2006-05-01

    The 10th International Superconductive Electronics Conference took place in Noordwijkerhout in the Netherlands, 5-9 September 2005, not far from the birthplace of superconductivity in Leiden nearly 100 years ago. There have been many reasons to celebrate the 10th ISEC: not only was it the 20th anniversary, but also the achievements since the first conference in Tokyo in 1987 are tremendous. We have seen whole new groups of superconductive materials come into play, such as oxide superconductors with maximum Tc in excess of 100 K, carbon nanotubes, as well as the realization of new digital concepts from saturation logic to the ultra-fast RSFQ-logic. We have learned that superconductors not only show s-wave symmetries in the spatial arrangement of the order parameter, but also that d-wave dependence in oxide superconductors is now well accepted and can even be successfully applied to digital circuits. We are now used to operating SQUIDs in liquid nitrogen; fT sensitivity of SQUID magnetometers is not surprising anymore and can even be reached with oxide-superconductor based SQUIDs. Even frequency discriminating wide-band single photon detection with superconductive devices, and Josephson voltage standards with tens of thousands of junctions, nowadays belong to the daily life of advanced laboratories. ISEC has played a very important role in this development. The first conferences were held in 1987 and 1989 in Tokyo, and subsequently took place in Glasgow (UK), Boulder (USA), Nagoya (Japan), Berlin (Germany), Berkeley (USA), Osaka (Japan), Sydney (Australia), and in 2005 for the first time in the Netherlands. These conferences have provided platforms for the presentation of the research and development results of this community and for the vivid discussion of achievements and strategies for the further development of superconductive electronics. The 10th conference has played a very important role in this context. The results in laboratories show great potential and

  2. Pennsylvania's Energy Curriculum for the Secondary Grades: Biological Science.

    ERIC Educational Resources Information Center

    Pennsylvania State Dept. of Education, Harrisburg.

    Described are about two dozen laboratory experiments, demonstrations and class discussions intended to supplement secondary school biology curricula with energy-related learning activities. Concepts examined in these materials include photosynthesis, energy from biomass, feeding relationships, pyrolysis, and respiration. Lessons contain notes to…

  3. Biology First: A History of the Grade Placement of High School Biology

    ERIC Educational Resources Information Center

    Sheppard, Keith; Robbins, Dennis M.

    2006-01-01

    This article outlines the history of the high school "general biology" course and details how biology came to be placed first in the traditional order of science subjects (biology-chemistry-physics). The article briefly discusses the implications of the development of this sequence for the present day biology course.

  4. Pediatric low-grade gliomas: implications of the biologic era.

    PubMed

    Packer, Roger J; Pfister, Stephan; Bouffet, Eric; Avery, Robert; Bandopadhayay, Pratiti; Bornhorst, Miriam; Bowers, Daniel C; Ellison, David; Fangusaro, Jason; Foreman, Nicholas; Fouladi, Maryam; Gajjar, Amar; Haas-Kogan, Daphne; Hawkins, Cynthia; Ho, Cheng-Ying; Hwang, Eugene; Jabado, Nada; Kilburn, Lindsay B; Lassaletta, Alvaro; Ligon, Keith L; Massimino, Maura; Meeteren, Schouten-van; Mueller, Sabine; Nicolaides, Theo; Perilongo, Giorgio; Tabori, Uri; Vezina, Gilbert; Warren, Katherine; Witt, Olaf; Zhu, Yuan; Jones, David T; Kieran, Mark

    2017-06-01

    For the past decade, it has been recognized that pediatric low-grade gliomas (LGGs) and glial-neuronal tumors carry distinct molecular alterations with resultant aberrant intracellular signaling in the Ras-mitogen-activated protein kinase pathway. The conclusions and recommendations of a consensus conference of how best to integrate the growing body of molecular genetic information into tumor classifications and, more importantly, for future treatment of pediatric LGGs are summarized here. There is uniform agreement that molecular characterization must be incorporated into classification and is increasingly critical for appropriate management. Molecular-targeted therapies should be integrated expeditiously, but also carefully into the management of these tumors and success measured not only by radiographic responses or stability, but also by functional outcomes. These trials need to be carried out with the caveat that the long-term impact of molecularly targeted therapy on the developing nervous system, especially with long duration treatment, is essentially unknown. © The Author(s) 2016. Published by Oxford University Press on behalf of the Society for Neuro-Oncology. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

  5. Factors in seventh grade academics associated with performance levels on the tenth grade biology end of course test in selected middle and high schools in northwest Georgia

    NASA Astrophysics Data System (ADS)

    Ward, Jennifer Henry

    This study attempted to identify factors in seventh grade academics that are associated with overall success in tenth grade biology. The study addressed the following research questions: Are there significant differences in performance levels in seventh grade Criterion Referenced Competency Test (CRCT) scores in science, math, reading, and language arts associated with performance categories in tenth grade biology End of Course Test (EOCT) and the following demographic variables : gender, ethnicity, socioeconomic status, disability category, and English language proficiency level? Is there a relationship among the categorical variables on the tenth grade biology EOCT and the same five demographic variables? Retrospective causal comparative research was used on a representative sample from the middle schools in three North Georgia counties who took the four CRCTs in the 2006-2007 school year, and took the biology EOCT in the 2009-2010 school year. Chi square was used to determine the relationships of the various demographic variables on three biology EOCT performance categories. Twoway ANOVA determined relationships between the seventh grade CRCT scores of students in the various demographic groups and their performance levels on the biology EOCT. Students' performance levels on the biology EOCT matched their performance levels on the seventh grade CRCTs consistently. Females performed better than males on all seventh grade CRCTs. Black and Hispanic students did worse than White and Asian/Asian Indian students on the math CRCT. Students living in poverty did worse on reading and language arts CRCTs than students who were better off. Special education students did worse on science, reading, and language arts CRCTs than students not receiving special education services. English language learners did worse than native English speakers on all seventh grade CRCTs. These findings suggest that remedial measures may be taken in the seventh grade that could impact

  6. Factors related to alcohol use among 6th through 10th graders: the Sarasota County Demonstration Project.

    PubMed

    Eaton, Danice K; Forthofer, Melinda S; Zapata, Lauren B; Brown, Kelli R; Bryant, Carol A; Reynolds, Sherri T; McDermott, Robert J

    2004-03-01

    Alcohol consumption by youth can produce negative health outcomes. This study identified correlates of lifetime alcohol use, recent alcohol use, and binge drinking among youth in sixth through 10th grade (n = 2,004) in Sarasota County, Fla. Results from a closed-ended, quantitative survey acknowledged a range of personal, social, and environmental influences. Breadth of these influences supports a need for multifaceted, community-based interventions for effective prevention of youth alcohol use. This study was unique because it represents population-specific research in which community partners are using the findings to develop community-specific social marketing interventions to prevent underage drinking and promote alternative behaviors.

  7. Using Team-Based Learning to Teach Grade 7 Biology: Student Satisfaction and Improved Performance

    ERIC Educational Resources Information Center

    Jarjoura, Christiane; Tayeh, Paula Abou; Zgheib, Nathalie K.

    2015-01-01

    Team-based learning (TBL) is an innovative form of collaborative learning. The purpose of this study was to evaluate TBL's effect on the performance and satisfaction of grade 7 students in biology in a private school in Lebanon, as well as teachers' willingness to implement this new methodology. An exploratory study was performed whereby two…

  8. Biology 30: Grade 12 Diploma Examination = Biologie 30: Examen en vue du diplome 12 annee.

    ERIC Educational Resources Information Center

    Alberta Dept. of Education, Edmonton. Student Evaluation Branch.

    This document, in both English and French versions, is the Biology 30 Grade 12 Diploma Examination from Alberta Education. It is a 2.5 hour closed-book examination consisting of 48 multiple-choice and 8 numerical-response questions of equal value that are worth 70% of the examination, and 2 written-response questions of equal value worth 30% of…

  9. Cycles for Science: Biology Curriculum Supplement for Grades 9-12. A Steel Cycles Program.

    ERIC Educational Resources Information Center

    Rogers, Diana; Laymon, Carol

    This document contains project-oriented lessons and hands-on activities developed to integrate steel recycling, natural resource conservation, and solid waster management into science learning. It is designed to assist secondary teachers and students (grades 9-12) in meeting state and local goals for learning in biology, chemistry, general science…

  10. Using Team-Based Learning to Teach Grade 7 Biology: Student Satisfaction and Improved Performance

    ERIC Educational Resources Information Center

    Jarjoura, Christiane; Tayeh, Paula Abou; Zgheib, Nathalie K.

    2015-01-01

    Team-based learning (TBL) is an innovative form of collaborative learning. The purpose of this study was to evaluate TBL's effect on the performance and satisfaction of grade 7 students in biology in a private school in Lebanon, as well as teachers' willingness to implement this new methodology. An exploratory study was performed whereby two…

  11. Cycles for Science: Biology Curriculum Supplement for Grades 9-12. A Steel Cycles Program.

    ERIC Educational Resources Information Center

    Rogers, Diana; Laymon, Carol

    This document contains project-oriented lessons and hands-on activities developed to integrate steel recycling, natural resource conservation, and solid waster management into science learning. It is designed to assist secondary teachers and students (grades 9-12) in meeting state and local goals for learning in biology, chemistry, general science…

  12. How Parents Influence School Grades: Hints from a Sample of Adoptive and Biological Families

    PubMed Central

    Johnson, Wendy; McGue, Matt; Iacono, William G.

    2008-01-01

    Using the biological and adoptive families in the Minnesota-based Sibling Interaction and Behavior Study, we investigated the associations among genetic and environmental influences on IQ, parenting, parental expectations for offspring educational attainment, engagement in school, and school grades. All variables showed substantial genetic influence, and very modest shared environmental influence. No gender differences were evident. There were significant genetic influences common to IQ and parental expectations of educational attainment, parenting and engagement in school, school grades and engagement in school, parental expectations for offspring educational attainment and school grades, and IQ and school grades. A possible interpretation of the common genetic influences involving parenting is that parents use their own experience with school in shaping the ways in which they parent their offspring. PMID:19081831

  13. Who's Skipping School: Characteristics of Truants in 8th and 10th Grade

    ERIC Educational Resources Information Center

    Henry, Kimberly L.

    2007-01-01

    Background: Truancy is a serious concern that affects most school districts in the United States; however, we do not have accurate estimates of the prevalence of truancy due to inconsistent tracking and reporting practices of schools. As a result, our best current estimates of the national state of truancy may be from self-reported data. In this…

  14. Does STES-Oriented Science Education Promote 10th-Grade Students' Decision-Making Capability?

    ERIC Educational Resources Information Center

    Levy Nahum, Tami; Ben-Chaim, David; Azaiza, Ibtesam; Herskovitz, Orit; Zoller, Uri

    2010-01-01

    Today's society is continuously coping with sustainability-related complex issues in the Science-Technology-Environment-Society (STES) interfaces. In those contexts, the need and relevance of the development of students' higher-order cognitive skills (HOCS) such as question-asking, critical-thinking, problem-solving and decision-making…

  15. Interests of 5th through 10th Grade Students Regarding Enviromental Protection Issues

    ERIC Educational Resources Information Center

    Erten, Sinan

    2015-01-01

    This study investigates the extent of interest among middle and high school students in environmental protection issues along with the sources of their interests and factors that impact their interests, namely people with whom they interact and courses that they take related to the environment, science and technology. In addition, it is confirmed…

  16. Interests of 5th through 10th Grade Students Regarding Enviromental Protection Issues

    ERIC Educational Resources Information Center

    Erten, Sinan

    2015-01-01

    This study investigates the extent of interest among middle and high school students in environmental protection issues along with the sources of their interests and factors that impact their interests, namely people with whom they interact and courses that they take related to the environment, science and technology. In addition, it is confirmed…

  17. Progression in Complexity: Contextualizing Sustainable Marine Resources Management in a 10th Grade Classroom

    ERIC Educational Resources Information Center

    Bravo-Torija, Beatriz; Jimenez-Aleixandre, Maria-Pilar

    2012-01-01

    Sustainable management of marine resources raises great challenges. Working with this socio-scientific issue in the classroom requires students to apply complex models about energy flow and trophic pyramids in order to understand that food chains represent transfer of energy, to construct meanings for sustainable resources management through…

  18. General Shop Competencies in Vocational Agriculture for 9th and 10th Grade Classes.

    ERIC Educational Resources Information Center

    Novotny, Ronald; And Others

    The document presents unit plans which offer list of experiences and competencies to be learned for general shop occupations in vocational agriculture. The units include: (1) arc welding, (2) oxy-acetylene welding, (3) flat concrete, (4) concrete block, (5) lumber patterns and wood building materials, (6) metal fasteners, (7) wood adhesives, (8)…

  19. Progression in Complexity: Contextualizing Sustainable Marine Resources Management in a 10th Grade Classroom

    ERIC Educational Resources Information Center

    Bravo-Torija, Beatriz; Jimenez-Aleixandre, Maria-Pilar

    2012-01-01

    Sustainable management of marine resources raises great challenges. Working with this socio-scientific issue in the classroom requires students to apply complex models about energy flow and trophic pyramids in order to understand that food chains represent transfer of energy, to construct meanings for sustainable resources management through…

  20. Food Services and Hospitality for 10th, 11th, and 12th Grades. Course Outline.

    ERIC Educational Resources Information Center

    Bucks County Technical School, Fairless Hills, PA.

    The outline describes the food services and hospitality course offered to senior high school students at the Bucks County Technical School. Specifically, the course seeks to provide students with a workable knowledge of food services and foster in them a sense of personal pride for quality workmanship. In addition to a statement of the philosophy…

  1. Grades and Withdrawal Rates in Cell Biology and Genetics Based upon Institution Type for General Biology and Implications for Transfer Articulation Agreements

    ERIC Educational Resources Information Center

    Regier, Kimberly Fayette

    2016-01-01

    General biology courses (for majors) are often transferred from one institution to another. These courses must prepare students for upper division courses in biology. In Colorado, a Biology Transfer Articulation Agreement that includes general biology has been created across the state. An evaluation was conducted of course grades in two upper…

  2. Grades and Withdrawal Rates in Cell Biology and Genetics Based upon Institution Type for General Biology and Implications for Transfer Articulation Agreements

    ERIC Educational Resources Information Center

    Regier, Kimberly Fayette

    2016-01-01

    General biology courses (for majors) are often transferred from one institution to another. These courses must prepare students for upper division courses in biology. In Colorado, a Biology Transfer Articulation Agreement that includes general biology has been created across the state. An evaluation was conducted of course grades in two upper…

  3. Book Notes: College Chemistry Faculties 1996, 10th ed.

    NASA Astrophysics Data System (ADS)

    Kauffman, George B.

    1998-02-01

    This comprehensive directory of the most current information on two-, three-, and four-year college and university teachers of chemistry, biochemistry, biotechnology, chemical engineering, chemical technology, medicinal chemistry, and other chemistry-related fields in the United States, its territories, and Canada will be of great use and interest not only to chemistry faculty members but to graduate and undergraduate students, librarians, and departmental secretaries as well. For each of the more than 2,150 academic departments devoted to these disciplines the entire staffs (except for emeriti, emeritae, adjunct, or visiting professors; persons on temporary appointment; postdoctoral fellows; research associates; or graduate students) are listed, along with major teaching fields, highest degree earned, and academic rank. Other departments, such as biology or physical science, in which these disciplines are taught are also included, but only persons who teach chemistry or related subjects are listed for these departments.

  4. 76 FR 33639 - Safety Zone; New York Water Taxi 10th Anniversary Fireworks

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-06-09

    ... SECURITY Coast Guard 33 CFR Part 165 RIN 1625-AA00 Safety Zone; New York Water Taxi 10th Anniversary... to celebrate the 10th Anniversary of New York Water Taxi. The fireworks will commence at 9 p.m. on... CFR Part 165 Harbors, Marine safety, Navigation (water), Reporting and recordkeeping requirements...

  5. The "What Is a System" Reflection Interview as a Knowledge Integration Activity for High School Students' Understanding of Complex Systems in Human Biology

    ERIC Educational Resources Information Center

    Tripto, Jaklin; Ben-Zvi Assaraf, Orit; Snapir, Zohar; Amit, Miriam

    2016-01-01

    This study examined the reflection interview as a tool for assessing and facilitating the use of "systems language" amongst 11th grade students who have recently completed their first year of high school biology. Eighty-three students composed two concept maps in the 10th grade--one at the beginning of the school year and one at its end.…

  6. The "What Is a System" Reflection Interview as a Knowledge Integration Activity for High School Students' Understanding of Complex Systems in Human Biology

    ERIC Educational Resources Information Center

    Tripto, Jaklin; Ben-Zvi Assaraf, Orit; Snapir, Zohar; Amit, Miriam

    2016-01-01

    This study examined the reflection interview as a tool for assessing and facilitating the use of "systems language" amongst 11th grade students who have recently completed their first year of high school biology. Eighty-three students composed two concept maps in the 10th grade--one at the beginning of the school year and one at its end.…

  7. Prognosis and biology in esthesioneuroblastoma: the emerging role of Hyams grading system.

    PubMed

    Saade, Rami E; Hanna, Ehab Y; Bell, Diana

    2015-01-01

    Esthesioneuroblastoma is a sinonasal tumor with distinct clinicopathologic features, multiple facets, and a spectrum of behavior. Characterization of this disease is challenging, and clinically, several staging systems have been used with no consensus on a single scheme. Recently, the Hyams histological grading system has emerged as a promising prognostication tool that offers an added value to stage. This review addresses prognosis and biology in esthesioneuroblastoma. More specifically, we sought to present a critical appraisal on the value of each of these stratification systems, stage vs. grade, in identifying risk groups and guiding management.

  8. Research and Education: The Foundations for Rehabilitation Service Delivery--10th Annual National Rehabilitation Educators Conference April 6th-10th, 2010

    ERIC Educational Resources Information Center

    Chou, Chih Chin

    2010-01-01

    The theme of the 10th annual National Rehabilitation Educators conference emphasized research and teaching ideals in the areas of clinical supervision, evidence-based practice in rehabilitation, rehabilitation counseling process, effective rehabilitation counseling training strategies, accreditation and licensure, rehabilitation ethics, and…

  9. Research and Education: The Foundations for Rehabilitation Service Delivery--10th Annual National Rehabilitation Educators Conference April 6th-10th, 2010

    ERIC Educational Resources Information Center

    Chou, Chih Chin

    2010-01-01

    The theme of the 10th annual National Rehabilitation Educators conference emphasized research and teaching ideals in the areas of clinical supervision, evidence-based practice in rehabilitation, rehabilitation counseling process, effective rehabilitation counseling training strategies, accreditation and licensure, rehabilitation ethics, and…

  10. 16. NORTHEAST CORNER VIEW OF 10TH AND 11TH FLOOR WINDOWS. ...

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

    16. NORTHEAST CORNER VIEW OF 10TH AND 11TH FLOOR WINDOWS. CORNER SHOWS THE DIAGONALLY FLUTED SPIRAL DESIGN OF THE RELIEF COLUMN. - Pacific Telephone & Telegraph Company Building, 1519 Franklin Street, Oakland, Alameda County, CA

  11. 1. Historic American Buildings Survey Joseph Hill, Photographer August 10th, ...

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

    1. Historic American Buildings Survey Joseph Hill, Photographer August 10th, 1936 (Copied from small photo taken by survey members) OLD APARTMENT HOUSE - Jansonist Colony, Old Apartment House, Main Street, Bishop Hill, Henry County, IL

  12. Biological preservation of foods with reference to protective cultures, bacteriocins and food-grade enzymes.

    PubMed

    Holzapfel, W H; Geisen, R; Schillinger, U

    1995-01-01

    A review is presented on the present status of biological preservation of foods. Recent developments are discussed with respect to underlying mechanisms of inhibition by 'protective' cultures, and special reference is made to lactic acid bacteria (LAB) and their 'food-grade' safety. The role of bacteriocins, their limitations and potentiating role in biological systems, is also addressed. The use of enzymes (e.g. lysozyme) for food preservation is mainly restricted by economic factors, their inactivation by endogenous food components and their limited activity spectrum. Practical applications of protective cultures refer to particular food commodities that either constitute novel systems with respect to packaging and/or composition, or represent special hygienic risks. It is concluded that biological preservation cannot substitute GMP; it, however, offers an additional (and acceptable) processing parameter for improving the safety and assuring the quality of a given food.

  13. Teaching Evolution: Narratives with a View from Three Southern Biology Teachers in the USA

    ERIC Educational Resources Information Center

    Goldston, M. Jenice; Kyzer, Peggy

    2009-01-01

    This case study explored sociocultural forces that influenced three 10th grade public high school biology teachers' instructional goals, instructional acts, and identity narratives related to the teaching of evolution. Primary data included field observations of classroom instruction and teacher interviews. Secondary data included informal…

  14. Predictors of intent to pursue a college health science education among high achieving minority 10(th) graders.

    PubMed

    Zebrak, Katarzyna A; Le, Daisy; Boekeloo, Bradley O; Wang, Min Qi

    Minority populations are underrepresented in fields of science, perhaps limiting scientific perspectives. Informed by recent studies using Social Cognitive Career Theory, this study examined whether three conceptual constructs: self-efficacy, perceived adult support, and perceptions of barriers, as well as several discrete and immutable variables, were associated with intent to pursue college science education in a sample (N = 134) of minority youth (70.1% female and 67.2% African American). A paper-and-pencil survey about pursuit of college science was administered to 10th graders with a B- or better grade point average from six high schools in an underserved community. Results indicated that the three conceptual constructs were bivariate correlates of intent to pursue college science education. Only perceived adult support and knowing whether a parent received college education were significant predictors in multivariate modeling. These results build on previous research and provide further insight into youth decision-making regarding pursuit of college science.

  15. Predictors of intent to pursue a college health science education among high achieving minority 10th graders

    PubMed Central

    Zebrak, Katarzyna A.; Le, Daisy; Boekeloo, Bradley O.; Wang, Min Qi

    2014-01-01

    Minority populations are underrepresented in fields of science, perhaps limiting scientific perspectives. Informed by recent studies using Social Cognitive Career Theory, this study examined whether three conceptual constructs: self-efficacy, perceived adult support, and perceptions of barriers, as well as several discrete and immutable variables, were associated with intent to pursue college science education in a sample (N = 134) of minority youth (70.1% female and 67.2% African American). A paper-and-pencil survey about pursuit of college science was administered to 10th graders with a B- or better grade point average from six high schools in an underserved community. Results indicated that the three conceptual constructs were bivariate correlates of intent to pursue college science education. Only perceived adult support and knowing whether a parent received college education were significant predictors in multivariate modeling. These results build on previous research and provide further insight into youth decision-making regarding pursuit of college science. PMID:25598654

  16. Report: Combustion Byproducts and Their Health Effects: Summary of the 10th International Congress

    PubMed Central

    Dellinger, Barry; D'Alessio, Antonio; D'Anna, Andrea; Ciajolo, Anna; Gullett, Brian; Henry, Heather; Keener, Mel; Lighty, JoAnn; Lomnicki, Slawomir; Lucas, Donald; Oberdörster, Günter; Pitea, Demetrio; Suk, William; Sarofim, Adel; Smith, Kirk R.; Stoeger, Tobias; Tolbert, Paige; Wyzga, Ron; Zimmermann, Ralf

    2008-01-01

    Abstract The 10th International Congress on Combustion Byproducts and their Health Effects was held in Ischia, Italy, from June 17–20, 2007. It is sponsored by the US NIEHS, NSF, Coalition for Responsible Waste Incineration (CRWI), and Electric Power Research Institute (EPRI). The congress focused on: the origin, characterization, and health impacts of combustion-generated fine and ultrafine particles; emissions of mercury and dioxins, and the development/application of novel analytical/diagnostic tools. The consensus of the discussion was that particle-associated organics, metals, and persistent free radicals (PFRs) produced by combustion sources are the likely source of the observed health impacts of airborne PM rather than simple physical irritation of the particles. Ultrafine particle-induced oxidative stress is a likely progenitor of the observed health impacts, but important biological and chemical details and possible catalytic cycles remain unresolved. Other key conclusions were: (1) In urban settings, 70% of airborne fine particles are a result of combustion emissions and 50% are due to primary emissions from combustion sources, (2) In addition to soot, combustion produces one, possibly two, classes of nanoparticles with mean diameters of ~10 nm and ~1 nm. (3) The most common metrics used to describe particle toxicity, viz. surface area, sulfate concentration, total carbon, and organic carbon, cannot fully explain observed health impacts, (4) Metals contained in combustion-generated ultrafine and fine particles mediate formation of toxic air pollutants such as PCDD/F and PFRs. (5) The combination of metal-containing nanoparticles, organic carbon compounds, and PFRs can lead to a cycle generating oxidative stress in exposed organisms. PMID:22476005

  17. Biological response on a titanium implant-grade surface functionalized with modular peptides☆

    PubMed Central

    Yazici, H.; Fong, H.; Wilson, B.; Oren, E.E.; Amos, F.A.; Zhang, H.; Evans, J.S.; Snead, M.L.; Sarikaya, M.; Tamerler, C.

    2015-01-01

    Titanium (Ti) and its alloys are among the most successful implantable materials for dental and orthopedic applications. The combination of excellent mechanical and corrosion resistance properties makes them highly desirable as endosseous implants that can withstand a demanding biomechanical environment. Yet, the success of the implant depends on its osteointegration, which is modulated by the biological reactions occurring at the interface of the implant. A recent development for improving biological responses on the Ti-implant surface has been the realization that bifunctional peptides can impart material binding specificity not only because of their molecular recognition of the inorganic material surface, but also through their self-assembly and ease of biological conjugation properties. To assess peptide-based functionalization on bioactivity, the present authors generated a set of peptides for implant-grade Ti, using cell surface display methods. Out of 60 unique peptides selected by this method, two of the strongest titanium binding peptides, TiBP1 and TiBP2, were further characterized for molecular structure and adsorption properties. These two peptides demonstrated unique, but similar molecular conformations different from that of a weak binder peptide, TiBP60. Adsorption measurements on a Ti surface revealed that their disassociation constants were 15-fold less than TiBP60. Their flexible and modular use in biological surface functionalization were demonstrated by conjugating them with an integrin recognizing peptide motif, RGDS. The functionalization of the Ti surface by the selected peptides significantly enhanced the bioactivity of osteoblast and fibroblast cells on implant-grade materials. PMID:23159566

  18. Grade 12 Diploma Examination: Biology 30. June 1986. = Examen en vue du Diplome Douzieme Annee: Biologie 30. Juin 1986.

    ERIC Educational Resources Information Center

    Alberta Dept. of Education, Edmonton.

    Biology 30 is a twelfth-grade biology course for students in Alberta, Canada. This document is a final test for the course. Both English and French versions of the test are provided. Intended for administration during June 1986, it contains 80 multiple-choice questions and six written-response problems. Two-and-one-half hours are allowed for…

  19. Mental Retardation: Definition, Classification, and Systems of Supports. 10th Edition.

    ERIC Educational Resources Information Center

    Luckasson, Ruth; Borthwick-Duffy, Sharon; Buntinx, Wil H. E.; Coulter, David L.; Craig, Ellis M.; Reeve, Alya; Schalock, Robert L.; Snell, Martha E.; Spitalnik, Deborah M.; Spreat, Scott; Tasse, Marc J.

    This manual, the 10th edition of a regularly published definition and classification work on mental retardation, presents five key assumptions upon which the definition of mental retardation is based and a theoretical model of five essential dimensions that explain mental retardation and how to use the companion system. These dimensions include…

  20. County Data Book, 2000: Kentucky Kids Count. 10th Annual Edition.

    ERIC Educational Resources Information Center

    Albright, Danielle; Hall, Douglas; Mellick, Donna; Miller, Debra; Town, Jackie

    This 10th annual Kids Count data book reports on trends in the well-being of Kentucky's children. The statistical portrait is based on indicators in the areas of well being, child risk factors, and demography. The indicators are as follows: (1) healthy births, including birth weights and prenatal care; (2) maternal risk characteristics, including…

  1. EPA presents award to Oregon 10th grader for work on marine oil spills

    EPA Pesticide Factsheets

    (Seattle-May 6, 2015) The U.S. Environmental Protection Agency, Region 10 is awarding the President's Environmental Youth Award to 10th grader Sahil Veeramoney for his development of a novel and efficient method to clean up marine oil spills. Veeramoney is

  2. MedlinePlus en español marks its 10th anniversary

    MedlinePlus

    ... medlineplus.gov/spanishanniversary.html MedlinePlus en español Marks its 10 th Anniversary To use the sharing features ... Spanish greatly expands NIH's ability to carry out its mission to communicate with the public.” MedlinePlus en ...

  3. A PAIR OF 10TH CAVALRY AMBULANCES, PARKED NEXT TO ONE ...

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

    A PAIR OF 10TH CAVALRY AMBULANCES, PARKED NEXT TO ONE OF THE STABLE LABELED "M.D. 10." PHOTOGRAPH TAKEN CIRCA 1918 (FORT HUACHUCA HISTORICAL MUSEUM, PHOTOGRAPH 1918.00.00.135, PHOTOGRAPHER UNIDENTIFIED, CREATED BY AND PROPERTY OF THE UNITED STATES ARMY) - Fort Huachuca, Cavalry Stables, Clarkson Road, Sierra Vista, Cochise County, AZ

  4. Mental Retardation: Definition, Classification, and Systems of Supports. 10th Edition.

    ERIC Educational Resources Information Center

    Luckasson, Ruth; Borthwick-Duffy, Sharon; Buntinx, Wil H. E.; Coulter, David L.; Craig, Ellis M.; Reeve, Alya; Schalock, Robert L.; Snell, Martha E.; Spitalnik, Deborah M.; Spreat, Scott; Tasse, Marc J.

    This manual, the 10th edition of a regularly published definition and classification work on mental retardation, presents five key assumptions upon which the definition of mental retardation is based and a theoretical model of five essential dimensions that explain mental retardation and how to use the companion system. These dimensions include…

  5. Food-grade nanoemulsions: formulation, fabrication, properties, performance, biological fate, and potential toxicity.

    PubMed

    McClements, David Julian; Rao, Jiajia

    2011-04-01

    Nanoemulsions fabricated from food-grade ingredients are being increasingly utilized in the food industry to encapsulate, protect, and deliver lipophilic functional components, such as biologically-active lipids (e.g., ω-3 fatty acids, conjugated linoleic acid) and oil-soluble flavors, vitamins, preservatives, and nutraceuticals. The small size of the particles in nanoemulsions (r<100 nm) means that they have a number of potential advantages over conventional emulsions-higher stability to droplet aggregation and gravitational separation, high optical clarity, ability to modulate product texture, and, increased bioavailability of lipophilic components. On the other hand, there may also be some risks associated with the oral ingestion of nanoemulsions, such as their ability to change the biological fate of bioactive components within the gastrointestinal tract and the potential toxicity of some of the components used in their fabrication. This review article provides an overview of the current status of nanoemulsion formulation, fabrication, properties, applications, biological fate, and potential toxicity with emphasis on systems suitable for utilization within the food and beverage industry. © Taylor and Francis Group, LLC

  6. Weekly Formative Exams and Creative Grading Enhance Student Learning in an Introductory Biology Course.

    PubMed

    Bailey, E G; Jensen, J; Nelson, J; Wiberg, H K; Bell, J D

    2017-01-01

    First-year students often become discouraged during introductory biology courses when repeated attempts to understand concepts nevertheless result in poor test scores. This challenge is exacerbated by traditional course structures that impose premature judgments on students' achievements. Repeated testing has been shown to benefit student ability to recognize and recall information, but an effective means to similarly facilitate skill with higher-order problems in introductory courses is needed. Here, we show that an innovative format that uses a creative grading scheme together with weekly formative midterm exams produced significant gains in student success with difficult items requiring analysis and interpretation. This format is designed to promote tenacity and avoid discouragement by providing multiple opportunities to attempt demanding problems on exams, detailed immediate feedback, and strong incentives to retain hope and improve. Analysis of individual performance trajectories with heat maps reveals the diversity of learning patterns and provides rational means for advising students. © 2017 E. G. Bailey et al. CBE—Life Sciences Education © 2017 The American Society for Cell Biology. This article is distributed by The American Society for Cell Biology under license from the author(s). It is available to the public under an Attribution–Noncommercial–Share Alike 3.0 Unported Creative Commons License (http://creativecommons.org/licenses/by-nc-sa/3.0).

  7. Weekly Formative Exams and Creative Grading Enhance Student Learning in an Introductory Biology Course

    PubMed Central

    Bailey, E. G.; Jensen, J.; Nelson, J.; Wiberg, H. K.; Bell, J. D.

    2017-01-01

    First-year students often become discouraged during introductory biology courses when repeated attempts to understand concepts nevertheless result in poor test scores. This challenge is exacerbated by traditional course structures that impose premature judgments on students’ achievements. Repeated testing has been shown to benefit student ability to recognize and recall information, but an effective means to similarly facilitate skill with higher-order problems in introductory courses is needed. Here, we show that an innovative format that uses a creative grading scheme together with weekly formative midterm exams produced significant gains in student success with difficult items requiring analysis and interpretation. This format is designed to promote tenacity and avoid discouragement by providing multiple opportunities to attempt demanding problems on exams, detailed immediate feedback, and strong incentives to retain hope and improve. Analysis of individual performance trajectories with heat maps reveals the diversity of learning patterns and provides rational means for advising students. PMID:28130269

  8. Socioeconomic Status and School Grades: Placing their Association in Broader Context in a Sample of Biological and Adoptive Families

    PubMed Central

    Johnson, Wendy; McGue, Matt; Iacono, William G.

    2008-01-01

    SES has long interested researchers investigating school achievement. Its effects are often addressed by studying predictors of achievement in economically disadvantaged samples living primarily in biological families, confounding genetic and environmental influences. Little is known about SES’s purely environmental effects. We measured them in 617 adoptive and biological families, adjusting for sample restriction of SES range. Controlling for gender, parenting, parental expectations for educational attainment (PEEA), IQ, engagement in school, and genetic and shared environmental influences on sibling pairs, SES still made a small but significant nonshared environmental contribution to school grades. IQ, PEEA, and SES had collinear associations with school grades, as did engagement and parenting. The associations of IQ and engagement with school grades were largely independent of each other. The link between PEEA and IQ was stronger in adoptive than biological offspring. We discuss the implications of these findings. PMID:19081832

  9. Mechanical and biological properties of the micro-/nano-grain functionally graded hydroxyapatite bioceramics for bone tissue engineering.

    PubMed

    Zhou, Changchun; Deng, Congying; Chen, Xuening; Zhao, Xiufen; Chen, Ying; Fan, Yujiang; Zhang, Xingdong

    2015-08-01

    Functionally graded materials (FGM) open the promising approach for bone tissue repair. In this study, a novel functionally graded hydroxyapatite (HA) bioceramic with micrograin and nanograin structure was fabricated. Its mechanical properties were tailored by composition of micrograin and nanograin. The dynamic mechanical analysis (DMA) indicated that the graded HA ceramics had similar mechanical property compared to natural bones. Their cytocompatibility was evaluated via fluorescent microscopy and MTT colorimetric assay. The viability and proliferation of rabbit bone marrow mesenchymal stem cells (BMSCs) on ceramics indicated that this functionally graded HA ceramic had better cytocompatibility than conventional HA ceramic. This study demonstrated that functionally graded HA ceramics create suitable structures to satisfy both the mechanical and biological requirements of bone tissues. Copyright © 2015 Elsevier Ltd. All rights reserved.

  10. Assessing Compensation Reform: Research in Support of the 10th Quadrennial Review of Military Compensation

    DTIC Science & Technology

    2008-01-01

    heterogeneous. Nested Logit Specification The active/reserve dynamic retention model describes individual behav- ior as a series of choices regarding...for error correlation between the reserve and civilian alternatives, we modify the model to a nested logit form for the reserve or civilian choice ...plex job-tenure decisions in circumstances in which current choices iv Assessing Compensation Reform in Support of the 10th QRMC affect future

  11. Making a Difference: Education at the 10th International Conference on Zebrafish Development and Genetics

    PubMed Central

    Liang, Jennifer O.; Pickart, Michael A.; Pierret, Chris; Tomasciewicz, Henry G.

    2012-01-01

    Abstract Scientists, educators, and students met at the 10th International Conference on Zebrafish Development and Genetics during the 2-day Education Workshop, chaired by Dr. Jennifer Liang and supported in part by the Genetics Society of America. The goal of the workshop was to share expertise, to discuss the challenges faced when using zebrafish in the classroom, and to articulate goals for expanding the impact of zebrafish in education. PMID:23244686

  12. 14. CLOSEUP VIEW OF THE 10TH AND 11TH FLOOR WINDOWS. ...

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

    14. CLOSE-UP VIEW OF THE 10TH AND 11TH FLOOR WINDOWS. WINDOWS HAVE WHITE TERRA COTTA SILLS, HEADS AND MULLIONS. ARCHES ARE OF TERRA COTTA INCLUDING ORNAMENTATION ABOVE THE 11TH FLOOR WINDOWS. CIRCULAR ORNAMENTATIONS BETWEEN ARCHES ARE TERRA COTTA PAINTED IN BRONZE COLOR. LOUVERS ON THE WINDOWS ARE NOT PART OF THE ORIGINAL DESIGN. THIS IS THE FRONT ELEVATION. - Pacific Telephone & Telegraph Company Building, 1519 Franklin Street, Oakland, Alameda County, CA

  13. From the corner of N. 10th St. and W. O'Neill ...

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

    From the corner of N. 10th St. and W. O'Neill Ave. Looking west. Housing # 157-162 are on the right, building 156 is straight ahead, and buildings 153, 152, 116, and 115 are to the left. The golf course is directly west of these buildings. - Fitzsimons General Hospital, Bounded by East Colfax to south, Peoria Street to west, Denver City/County & Adams County Line to north, & U.S. Route 255 to east, Aurora, Adams County, CO

  14. The effects of a formal notebook on learning achievement of tenth grade biology students

    NASA Astrophysics Data System (ADS)

    Hirst, Sabine Korpus

    Despite the national agenda for achieving scientific literacy for all American students, there appears to be a paucity of research on the role of writing and, more specifically, on the organization of students' notes. The use of student notebooks as an ongoing record of both the process function and product function of notetaking has received little attention in the American research literature reviewed. The purposes of this study were to investigate if (a) the use of a formal notebook has a positive effect on learning achievement by high school biology students, (b) the gender of the biology student makes a difference with regard to the effect of keeping a formal notebook, (c) students perceive notetaking skills as an important set of study skills, and (d) students regard keeping a formal notebook as a valuable tool for improving learning outcomes. A quasi-experimental study was conducted, using a matching-only posttest control group design. A purposive cluster sample of four intact tenth grade biology classes with a total of 126 students from two Brevard County public high schools was used. The design resulted in two experimental conditions for the independent variable: (a) notebook treatment and (b) no notebook control. In each school, one class was randomly assigned to either the treatment or control group. A Study Skills Questionnaire was pilot-tested, revised, and administered to all students as a pre-assessment to determine if notetaking was regarded as important. One teacher-made posttest was used to measure learning achievement in biology as a consequence of the experimental conditions. A researcher-developed six-item postquestionnaire was only administered to the students of the treatment groups to determine if students perceive the requirement of keeping a formal notebook as a valuable learning tool. A factorial independent measures analysis of variance (2 x 2 x 2 ANOVA) was used to determine the effects of experimental group, school, gender, and their

  15. Grade 12 Diploma Examination: Biology 30. January 1988 = Examen en vue du diplome douzieme annee: Biologie 30. Janvier 1988.

    ERIC Educational Resources Information Center

    Alberta Dept. of Education, Edmonton.

    Biology 30 is a 12th-grade science course for students in Alberta, Canada. This document is a final test for the course. Intended for administration during January 1988, it contains 80 multiple-choice questions and four written-response questions. Two-and-one-half hours are allowed for completing the test. No answer key is included since scoring…

  16. Grade 12 Diploma Examination: Biology 30. January 1989 = Examen en vue du diplome douzieme annee: Biologie 30. Janvier 1989.

    ERIC Educational Resources Information Center

    Alberta Dept. of Education, Edmonton.

    Biology 30 is a 12th-grade science course for students in Alberta, Canada. This document is the final test for the course. Intended for administration during January 1989, it contains 70 multiple-choice questions and seven written-response questions. Two-and-one-half hours are allowed for completing the test. No answer key is included since…

  17. Grade 12 Diploma Examination: Biology 30. June 1988 = Examen en vue du Diplome Douzieme Annee: Biologie 30. Juin 1988.

    ERIC Educational Resources Information Center

    Alberta Dept. of Education, Edmonton.

    Biology 30 is a 12th-grade science course for students in Alberta, Canada. This document is a final test for the course. Intended for administration during June, 1988, it contains 80 multiple-choice questions and five written-response questions. Two-and-one-half hours are allowed for completing the test. No answer key is included since scoring is…

  18. Grade 12 Diploma Examination: Biology 30. June 1989 = Examen en vue du diplome douzieme annee: Biologie 30. Juin 1989.

    ERIC Educational Resources Information Center

    Alberta Dept. of Education, Edmonton.

    Biology 30 is a 12th-grade science course for students in Alberta, Canada. Intended for administration during June 1989, it contains 70 multiple-choice questions and 7 written-response questions. Two-and-one-half hours are allowed for completing the test. No answer key is included since scoring is done by the provincial education department. The…

  19. Learning about Marine Biology. Superific Science Book VI. A Good Apple Science Activity Book for Grades 5-8+.

    ERIC Educational Resources Information Center

    Conway, Lorraine

    Based on the assumption that most students have a natural curiosity about the plant and animal life residing in the oceans, this document provides students in grades five through eight with activities in marine biology. The book provides illustrated information and learning activities dealing with: (1) diatoms; (2) the life cycle of the jellyfish;…

  20. Learning about Marine Biology. Superific Science Book VI. A Good Apple Science Activity Book for Grades 5-8+.

    ERIC Educational Resources Information Center

    Conway, Lorraine

    Based on the assumption that most students have a natural curiosity about the plant and animal life residing in the oceans, this document provides students in grades five through eight with activities in marine biology. The book provides illustrated information and learning activities dealing with: (1) diatoms; (2) the life cycle of the jellyfish;…

  1. Twelfth-grade biology pupils' opinions on interventions of man in nature: Agreement, indifference and ambivalence

    NASA Astrophysics Data System (ADS)

    Dreyfus, Amos; Roth, Zvi

    The purpose of this study was to assess the degree of ambivalence of the attitudes of twelfth-grade biology pupils in Israel towards interventions of man in nature. A questionnaire was designed in which the pupils were confronted with arguments of different levels of potential relevance (personal, global, and philosophical), three against and three in favor of each of eight interventions of man in natural processes. The pupil was requested (a) to rate each argument independently and (b) to vote, as if in a public committee, for or against each technology. The degree of ambivalence--measured, for each item, by means of Kaplan's (1972) semantic differential half scales--was the degree to which the pupils agreed to both positive and negative arguments. Although clear majorities of pupils voted in favor of all the interventions, three main patterns of responses were found: general agreement, indifference, and ambivalence. These patterns were characterized in terms of (a) the mean ratings of the arguments, (b) the differences between mean positive and negative personal ratings, (c) the percentages of favorable votes, and (d) the degrees of ambivalence. It was shown that pupils were able to appreciate arguments against a certain technology even in cases of strong personal feelings in favor of the technology (high ambivalence). The development of such an ability may be one of the main objectives of science education in a STS context.

  2. Center for Cancer Research hosts 10th Annual GIST Clinic | Center for Cancer Research

    Cancer.gov

    Patients and specialists from around the world gathered for the 10th Annual Pediatric and Wildtype GIST Clinic, which took place Wednesday, July 5 through Friday, July 7, 2017 at the NIH Clinical Center in Bethesda, Maryland. Occurring once a year, the clinic convenes clinicians, research scientists and advocates from across the country to consult with patients who have GIST. Christine Gonzales, a GIST clinic patient from New Mexico, says, “It’s been super amazing because I’ve never talked to a specialist about this cancer.” Learn more...

  3. Epigenetics in autoimmune disorders: highlights of the 10th Sjögren's syndrome symposium.

    PubMed

    Lu, Qianjin; Renaudineau, Yves; Cha, Seunghee; Ilei, Gabor; Brooks, Wesley H; Selmi, Carlo; Tzioufas, Athanasios; Pers, Jacques-Olivier; Bombardieri, Stefano; Gershwin, M Eric; Gay, Steffen; Youinou, Pierre

    2010-07-01

    During the 10th International Symposium on Sjögren's Syndrome held in Brest, France, from October 1-3, 2009 (http://www.sjogrensymposium-brest2009.org), the creation of an international epigenetic autoimmune group has been proposed to establish gold standards and to launch collaborative studies. During this "epigenetics session", leading experts in the field presented and discussed the most recent developments of this topic in Sjögren's Syndrome research. The "Brest epigenetic task force" was born and has scheduled a meeting in Ljubljana, Slovenia during the 7th Autoimmunity congress in May 2010.The following is a report of that session.

  4. Final Report 10th Conference on the Intersections of Particle and Nuclear Physics

    SciTech Connect

    Marshak, Marvin L.

    2013-11-03

    The 10th Conference on the Intersections of Particle and Nuclear Physics was held in LaJolla, California on May 26 to May 31, 2009. The Conference Proceedings are published by the American Institute of Physics in Volume 1182 of the AIP Conference Proceedings (ISBN: 978-0-7354-0723-7). The Proceedings include papers from each of the Conference Presenters and a detailed schedule of talks at the Conference. The Table of Contents of the Conference Proceedings is available at http://scitation.aip.org/content/aip/proceeding/aipcp/1182. Support by the U.S. Department of Energy and by DOE Laboratories was essential to the success of the Conference.

  5. 'Global avionics in the future' report from the 10th annual battery conference

    NASA Astrophysics Data System (ADS)

    Oman, Henry

    1995-04-01

    In the 10th Annual Battery Conference on Applications and Advances, over 300 came to witness 13 technical sessions on subjects ranging from 'green' batteries to spacecraft batteries, and from batteries for notebook computers to batteries for supplying Alaskan villages with peak power. The utilities will use batteries for energy storage, resource conservation, power-quality involvement, and a substitute for spinning reserve. Those who have attended were electrical engineers who wanted to learn about batteries and electrochemist who wanted to learn how a battery is used and controlled.

  6. [Contribution of the 10th International Classification of Diseases to pediatric and adolescent psychiatry].

    PubMed

    Vojtík, V

    1993-12-01

    The 10th revision of the classification of mental disorders and behavioural disorders is due to description of clinical symptoms and diagnostic criteria more accurate and enriches the activities of departments of child and adolescent psychiatry. Diagnostics, therapy and prevention profit not only from sections dealing with newly conceived disorders which begin in childhood and adolescence but also other sections where problems relating to children and adolescents are pointed out. The Czech translation inovates clinical pictures given in our textbook of Child psychiatry published in 1963 and thus replaces partly a hitherto not published modern Czech textbook of child and adolescent psychiatry.

  7. Collaborating to Move Research Forward: Proceedings of the 10th Annual Bladder Cancer Think Tank.

    PubMed

    Kamat, Ashish M; Agarwal, Piyush; Bivalacqua, Trinity; Chisolm, Stephanie; Daneshmand, Sia; Doroshow, James H; Efstathiou, Jason A; Galsky, Matthew; Iyer, Gopa; Kassouf, Wassim; Shah, Jay; Taylor, John; Williams, Stephen B; Quale, Diane Zipursky; Rosenberg, Jonathan E

    2016-04-27

    The 10th Annual Bladder Cancer Think Tank was hosted by the Bladder Cancer Advocacy Network and brought together a multidisciplinary group of clinicians, researchers, representatives and Industry to advance bladder cancer research efforts. Think Tank expert panels, group discussions, and networking opportunities helped generate ideas and strengthen collaborations between researchers and physicians across disciplines and between institutions. Interactive panel discussions addressed a variety of timely issues: 1) data sharing, privacy and social media; 2) improving patient navigation through therapy; 3) promising developments in immunotherapy; 4) and moving bladder cancer research from bench to bedside. Lastly, early career researchers presented their bladder cancer studies and had opportunities to network with leading experts.

  8. Health Policy Basics: Implementation of the International Classification of Disease, 10th Revision.

    PubMed

    Outland, Brian; Newman, Mary M; William, Margo J

    2015-10-06

    The International Classification of Diseases (ICD) standardizes diagnostic codes into meaningful criteria to enable the storage and retrieval of information regarding patient care. Whereas other countries have been using ICD, 10th Revision (ICD-10), for years, the United States will transition from ICD, Ninth Revision, Clinical Modification (ICD-9-CM), to ICD-10, on 1 October 2015. This transition is one of the largest and most technically challenging changes that the medical community has experienced in the past several decades. This article outlines the implications of moving to ICD-10 and recommends resources to facilitate the transition.

  9. From the corner of E. Mccloskey Ave. and N. 10th ...

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

    From the corner of E. Mccloskey Ave. and N. 10th St., looking west with building 135 (gas station) on the left. Beyond it is building 119 and to the right of 119 is the gable end of the north side of 120. Beyond and perpendicular to building 120 are 118 and 117. - Fitzsimons General Hospital, Bounded by East Colfax to south, Peoria Street to west, Denver City/County & Adams County Line to north, & U.S. Route 255 to east, Aurora, Adams County, CO

  10. What Do 2nd and 10th Graders Have in Common? Worms and Technology: Using Technology to Collaborate across Boundaries

    ERIC Educational Resources Information Center

    Culver, Patti; Culbert, Angie; McEntyre, Judy; Clifton, Patrick; Herring, Donna F.; Notar, Charles E.

    2009-01-01

    The article is about the collaboration between two classrooms that enabled a second grade class to participate in a high school biology class. Through the use of modern video conferencing equipment, Mrs. Culbert, with the help of the Dalton State College Educational Technology Training Center (ETTC), set up a live, two way video and audio feed of…

  11. EDITORIAL: The 10th International Symposium on Measurement Technology and Intelligent Instruments (ISMTII 2011) The 10th International Symposium on Measurement Technology and Intelligent Instruments (ISMTII 2011)

    NASA Astrophysics Data System (ADS)

    Kim, Seung-Woo

    2012-05-01

    Measurement and instrumentation have long played an important role in production engineering, through supporting both the traditional field of manufacturing and the new field of micro/nanotechnology. Papers published in this special feature were selected and updated from those presented at The 10th International Symposium on Measurement Technology and Intelligent Instruments (ISMTII 2011) held at KAIST, Daejeon, South Korea, on 29 June-2 July 2011. ISMTII 2011 was organized by ICMI (The International Committee on Measurements and Instrumentation), Korean Society for Precision Engineering (KSPE), Japan Society for Precision Engineering (JSPE), Chinese Society for Measurement (CSM) and KAIST. The Symposium was also supported by the Korea BK21 Valufacture Institute of Mechanical Engineering at KAIST. A total of 225 papers, including four keynote papers, were presented at ISMTII 2011, covering a wide range of topics, including micro/nanometrology, precision measurement, online & in-process measurement, surface metrology, optical metrology & image processing, biomeasurement, sensor technology, intelligent measurement & instrumentation, uncertainty, traceability & calibration, and signal processing algorithms. The organizing members recommended publication of updated versions of some of the best ISMTII 2011 papers in this special feature of Measurement Science and Technology. As guest editor, I believe that this special feature presents the newest information on advances in measurement technology and intelligent instruments from basic research to applied systems for production engineering. I would like to thank all the authors for their great contributions to this special feature and the referees for their careful reviews of the papers. I would also like to express our thanks and appreciation to the publishing staff of MST for their dedicated efforts that have made this special feature possible.

  12. Maternal Genetic Ancestry and Legacy of 10th Century AD Hungarians

    NASA Astrophysics Data System (ADS)

    Csősz, Aranka; Szécsényi-Nagy, Anna; Csákyová, Veronika; Langó, Péter; Bódis, Viktória; Köhler, Kitti; Tömöry, Gyöngyvér; Nagy, Melinda; Mende, Balázs Gusztáv

    2016-09-01

    The ancient Hungarians originated from the Ural region in today’s central Russia and migrated across the Eastern European steppe, according to historical sources. The Hungarians conquered the Carpathian Basin 895-907 AD, and admixed with the indigenous communities. Here we present mitochondrial DNA results from three datasets: one from the Avar period (7th-9th centuries) of the Carpathian Basin (n = 31) one from the Hungarian conquest-period (n = 76) and a completion of the published 10th-12th century Hungarian-Slavic contact zone dataset by four samples. We compare these mitochondrial DNA hypervariable segment sequences and haplogroup results with published ancient and modern Eurasian data. Whereas the analyzed Avars represents a certain group of the Avar society that shows East and South European genetic characteristics, the Hungarian conquerors’ maternal gene pool is a mixture of West Eurasian and Central and North Eurasian elements. Comprehensively analyzing the results, both the linguistically recorded Finno-Ugric roots and historically documented Turkic and Central Asian influxes had possible genetic imprints in the conquerors’ genetic composition. Our data allows a complex series of historic and population genetic events before the formation of the medieval population of the Carpathian Basin, and the maternal genetic continuity between 10th-12th century and modern Hungarians.

  13. The Relationship of Grade Span in 9th Grade to Math Achievement in High School

    ERIC Educational Resources Information Center

    West, John; Miller, Mary Lou; Myers, Jim; Norton, Timothy

    2015-01-01

    Purpose, Scope, and Method of Study: The purpose of this study was to determine if a correlation exists between grade span for ninth grade and gains in math achievement test scores in 10th grade and 12th grade. A quantitative, longitudinal, correlational research design was employed to investigate the research questions. The population was high…

  14. Genomic Variation in a Global Village: Report of the 10th Annual Human Genome Variation Meeting 2008

    PubMed Central

    Brookes, Anthony J.; Chanock, Stephen J.; Hudson, Thomas J.; Peltonen, Leena; Abecasis, Gonçalo; Kwok, Pui-Yan; Scherer, Stephen W.

    2013-01-01

    The Centre for Applied Genomics of the Hospital for Sick Children and the University of Toronto hosted the 10th Human Genome Variation (HGV) Meeting in Toronto, Canada, in October 2008, welcoming about 240 registrants from 34 countries. During the 3 days of plenary workshops, keynote address, and poster sessions, a strong cross-disciplinary trend was evident, integrating expertise from technology and computation, through biology and medicine, to ethics and law. Single nucleotide polymorphisms (SNPs) as well as the larger copy number variants (CNVs) are recognized by ever-improving array and next-generation sequencing technologies, and the data are being incorporated into studies that are increasingly genome-wide as well as global in scope. A greater challenge is to convert data to information, through databases, and to use the information for greater understanding of human variation. In the wake of publications of the first individual genome sequences, an inaugural public forum provided the opportunity to debate whether we are ready for personalized medicine through direct-to-consumer testing. The HGV meetings foster collaboration, and fruits of the interactions from 2008 are anticipated for the 11th annual meeting in September 2009. PMID:19384970

  15. Genomic variation in a global village: report of the 10th annual Human Genome Variation Meeting 2008.

    PubMed

    Brookes, Anthony J; Chanock, Stephen J; Hudson, Thomas J; Peltonen, Leena; Abecasis, Gonçalo; Kwok, Pui-Yan; Scherer, Stephen W

    2009-07-01

    The Centre for Applied Genomics of the Hospital for Sick Children and the University of Toronto hosted the 10th Human Genome Variation (HGV) Meeting in Toronto, Canada, in October 2008, welcoming about 240 registrants from 34 countries. During the 3 days of plenary workshops, keynote address, and poster sessions, a strong cross-disciplinary trend was evident, integrating expertise from technology and computation, through biology and medicine, to ethics and law. Single nucleotide polymorphisms (SNPs) as well as the larger copy number variants (CNVs) are recognized by ever-improving array and next-generation sequencing technologies, and the data are being incorporated into studies that are increasingly genome-wide as well as global in scope. A greater challenge is to convert data to information, through databases, and to use the information for greater understanding of human variation. In the wake of publications of the first individual genome sequences, an inaugural public forum provided the opportunity to debate whether we are ready for personalized medicine through direct-to-consumer testing. The HGV meetings foster collaboration, and fruits of the interactions from 2008 are anticipated for the 11th annual meeting in September 2009.

  16. Students Left Behind: Measuring 10th to 12th Grade Student Persistence Rates in Texas High Schools

    PubMed Central

    Domina, Thurston; Ghosh-Dastidar, Bonnie; Tienda, Marta

    2012-01-01

    The No Child Left Behind Act requires states to publish high school graduation rates for public schools and the U.S. Department of Education is currently considering a mandate to standardize high school graduation rate reporting. However, no consensus exists among researchers or policy-makers about how to measure high school graduation rates. In this paper, we use longitudinal data tracking a cohort of students at 82 Texas public high schools to assess the accuracy and precision of three widely-used high school graduation rate measures: Texas’s official graduation rates, and two competing estimates based on publicly available enrollment data from the Common Core of Data. Our analyses show that these widely-used approaches yield inaccurate and highly imprecise estimates of high school graduation and persistence rates. We propose several guidelines for using existing graduation and persistence rate data and argue that a national effort to track students as they progress through high school is essential to reconcile conflicting estimates. PMID:23077375

  17. A Learning Progression for Deepening Students' Understandings of Modern Genetics across the 5th-10th Grades

    ERIC Educational Resources Information Center

    Duncan, Ravit Golan; Rogat, Aaron D.; Yarden, Anat

    2009-01-01

    Over the past several decades, there has been a tremendous growth in our understanding of genetic phenomena and the intricate and complicated mechanisms that mediate genetic effects. Given the complexity of content in modern genetics and the inadequacy of current instructional methods and materials it seems that a more coherent and extensive…

  18. Latent Profiles of Reading and Language and Their Association with Standardized Reading Outcomes in Kindergarten through 10th Grade

    ERIC Educational Resources Information Center

    Foorman, Barbara R.; Petscher, Yaacov; Stanley, Christopher

    2016-01-01

    The idea of targeting reading instruction to profiles of students' strengths and weaknesses in component skills is central to teaching. However, these profiles are often based on unreliable descriptions of students' oral reading errors, text reading levels, or learning profiles. This research utilized latent profile analysis (LPA) to examine…

  19. Exploring the Relationship between Virtual Learning Environment Preference, Use, and Learning Outcomes in 10th Grade Earth Science Students

    ERIC Educational Resources Information Center

    Lin, Ming-Chao; Tutwiler, M. Shane; Chang, Chun-Yen

    2011-01-01

    This study investigated the relationship between the use of a three-dimensional Virtual Reality Learning Environment for Field Trip (3DVLE[subscript (ft)]) system and the achievement levels of senior high school earth science students. The 3DVLE[subscript (ft)] system was presented in two separate formats: Teacher Demonstrated Based and Student…

  20. Focus on Mentee-Mentor Relationships: The 10th Grade Implementation of iMentor's College Ready Program. Executive Summary

    ERIC Educational Resources Information Center

    Merrill, Lisa; Kang, David; Siman, Nina; Soltani, Jasmine

    2016-01-01

    The iMentor College Ready Program is a model that combines school-based mentoring with technology and aspects of whole school reform. The program aims to create strong relationships between low-income youth and college-educated mentors--and to leverage these relationships to help students develop the mindsets, skills, and knowledge necessary to…

  1. Focus on Mentee-Mentor Relationships: The 10th Grade Implementation of iMentor's College Ready Program. Report

    ERIC Educational Resources Information Center

    Merrill, Lisa; Kang, David; Siman, Nina; Soltani, Jasmine

    2016-01-01

    The iMentor College Ready Program combines school-based mentoring with technology and aspects of whole school reform. The program strives to create strong relationships between low-income youth and college-educated mentors--relationships that it hopes to leverage to help students develop the mindsets, skills, and knowledge necessary to enroll and…

  2. The Insertion of Local Wisdom into Instructional Materials of Bahasa Indonesia for 10th Grade Students in Senior High School

    ERIC Educational Resources Information Center

    Anggraini, Purwati; Kusniarti, Tuti

    2015-01-01

    This current study aimed at investigating Bahasa Indonesia textbooks with regards to local wisdom issues. The preliminary study was utilized as the basis for developing instructional materials of Bahasa Indonesia that are rich of characters. Bahasa Indonesia instructional materials containing local wisdoms not only equip students with broad…

  3. Implications of John Dewey's and Lev Vygotsky's Theoretical Frameworks for the Teaching and Learning of 10th Grade Geometric Proofs.

    ERIC Educational Resources Information Center

    Vavilis, Bob

    The life work of both John Dewey and Lev Vygotsky and the implications for pedagogy that each of the theorist's work has generated is well known in the field of education. However, it is seldom that the theorists' works are juxtaposed for pedagogical considerations for specific subject matter. This is for at least three reasons: first, Dewey, of…

  4. A Cross-Analysis of the Mathematics Teacher's Activity: An Example in a French 10th-Grade Class

    ERIC Educational Resources Information Center

    Robert, Aline; Rogalski, Janine

    2005-01-01

    The purpose of this paper is to contribute to the debate about how to tackle the issue of "the teacher in the teaching/learning process", and to propose a methodology for analysing the teacher's activity in the classroom, based on concepts used in the fields of the didactics of mathematics as well as in cognitive ergonomics. This…

  5. A Cross-Analysis of the Mathematics Teacher's Activity: An Example in a French 10th-Grade Class

    ERIC Educational Resources Information Center

    Robert, Aline; Rogalski, Janine

    2005-01-01

    The purpose of this paper is to contribute to the debate about how to tackle the issue of "the teacher in the teaching/learning process", and to propose a methodology for analysing the teacher's activity in the classroom, based on concepts used in the fields of the didactics of mathematics as well as in cognitive ergonomics. This…

  6. Students Left Behind: Measuring 10(th) to 12(th) Grade Student Persistence Rates in Texas High Schools.

    PubMed

    Domina, Thurston; Ghosh-Dastidar, Bonnie; Tienda, Marta

    2010-06-01

    The No Child Left Behind Act requires states to publish high school graduation rates for public schools and the U.S. Department of Education is currently considering a mandate to standardize high school graduation rate reporting. However, no consensus exists among researchers or policy-makers about how to measure high school graduation rates. In this paper, we use longitudinal data tracking a cohort of students at 82 Texas public high schools to assess the accuracy and precision of three widely-used high school graduation rate measures: Texas's official graduation rates, and two competing estimates based on publicly available enrollment data from the Common Core of Data. Our analyses show that these widely-used approaches yield inaccurate and highly imprecise estimates of high school graduation and persistence rates. We propose several guidelines for using existing graduation and persistence rate data and argue that a national effort to track students as they progress through high school is essential to reconcile conflicting estimates.

  7. The Effectiveness of Teaching 10th-Grade Students STOP, AIMS, and DARE for Planning and Drafting Persuasive Text

    ERIC Educational Resources Information Center

    Kiuhara, Sharlene A.; O'Neill, Robert E.; Hawken, Leanne S.; Graham, Steve

    2012-01-01

    Explicitly and systematically teaching strategies for planning and drafting specific types of text has improved the writing of elementary and middle school students with disabilities in previous studies. In this investigation, we examined the effect of teaching a planning and drafting strategy for persuasive writing to high school students with…

  8. Students Left behind: Measuring 10th to 12th Grade Student Persistence Rates in Texas High Schools

    ERIC Educational Resources Information Center

    Domina, Thurston; Ghosh-Dastidar, Bonnie; Tienda, Marta

    2010-01-01

    The No Child Left Behind Act requires states to publish high school graduation rates for public schools; the U.S. Department of Education is currently considering a mandate to standardize high school graduation rate reporting. However, no consensus exists among researchers or policymakers about how to measure high school graduation rates. We use…

  9. Space Commerce 1994 Forum: The 10th National Space Symposium. Proceedings report

    NASA Technical Reports Server (NTRS)

    Lipskin, Beth Ann (Editor); Patterson, Sara (Editor); Aragon, Larry (Editor); Brescia, David A. (Editor); Flannery, Jack (Editor); Mossey, Roberty (Editor); Regan, Christopher (Editor); Steeby, Kurt (Editor); Suhr, Stacy (Editor); Zimkas, Chuck (Editor)

    1994-01-01

    The theme of the 10th National Space Symposium was 'New Windows of Opportunity'. These proceedings cover the following: Business Trends in High Tech Commercialization; How to Succeed in Space Technology Business -- Making Dollars and Sense; Obstacles and Opportunities to Success in Technology Commercialization NASA's Commercial Technology Mission -- a New Way of Doing Business: Policy and Practices; Field Center Practices; Practices in Action -- A New Way: Implementation and Business Opportunities; Space Commerce Review; Windows of Opportunity; the International Space Station; Space Support Forum; Spacelift Update; Competitive Launch Capabilities; Supporting Life on Planet Earth; National Security Space Issues; NASA in the Balance; Earth and Space Observations -- Did We Have Cousins on Mars?; NASA: A New Vision for Science; and Space Technology Hall of Fame.

  10. Tuskegee Bioethics Center 10th anniversary presentation: "Commemorating 10 years: ethical perspectives on origin and destiny".

    PubMed

    Prograis, Lawrence J

    2010-08-01

    More than 70 years have passed since the beginning of the Public Health Service syphilis study in Tuskegee, Alabama, and it has been over a decade since President Bill Clinton formally apologized for it and held a ceremony for the Tuskegee study participants. The official launching of the Tuskegee University National Center for Bioethics in Research and Health Care took place two years after President Clinton's apology. How might we fittingly discuss the Center's 10th Anniversary and the topic 'Commemorating 10 Years: Ethical Perspectives on Origin and Destiny'? Over a decade ago, a series of writers, many of them African Americans, wrote a text entitled 'African-American Perspectives on Biomedical Ethics'; their text was partly responsible for a prolonged reflection by others to produce a subsequent work, 'African American Bioethics: Culture, Race and Identity'. What is the relationship between the discipline of bioethics and African American culture? This and related questions are explored in this commentary.

  11. 10th World IHEA and ECHE Joint Congress: health economics in the age of longevity.

    PubMed

    Jakovljevic, Mihajlo B; Getzen, Thomas E; Torbica, Aleksandra; Anegawa, Tomofumi

    2014-12-01

    The 10th consecutive World Health Economics conference was organized jointly by International Health Economics Association and European Conference on Health Economics Association and took place at The Trinity College, Dublin, Ireland in July 2014. It has attracted broad participation from the global professional community devoted to health economics teaching,research and policy applications. It has provided a forum for lively discussion on hot contemporary issues such as health expenditure projections, reimbursement regulations,health technology assessment, universal insurance coverage, demand and supply of hospital services, prosperity diseases, population aging and many others. The high-profile debate fostered by this meeting is likely to inspire further methodological advances worldwide and spreading of evidence-based policy practice from OECD towards emerging markets.

  12. New directions in research: report from the 10th International Conference on AIDS.

    PubMed Central

    Berger, P B

    1995-01-01

    Research findings presented at the 10th International Conference on AIDS, held in Yokohama, Japan, in August 1994, indicate that few advances have been made in standard antiretroviral therapy for HIV infection. The perinatal administration of AZT (zidovudine) was reported to reduce transmission of HIV from mother to child, and its use in combination with acyclovir appears to improve survival among patients with advanced disease. Other research has focused on asymptomatic patients with long-standing HIV infection. Their survival may be related to the activity of cell antiviral factor, a cytokine produced by CD8+ cells. In gene therapy research, one approach involved the genetic alteration of target cells to enable them to render the virus harmless. A second approach consisted of enhancing the function of CD8+ cells to allow them to compensate for dysfunctional CD4+ cells. The author believes that gene therapy may offer the greatest hope of an effective treatment for HIV infection. PMID:7780908

  13. Collaborating to Move Research Forward: Proceedings of the 10th Annual Bladder Cancer Think Tank

    PubMed Central

    Kamat, Ashish M.; Agarwal, Piyush; Bivalacqua, Trinity; Chisolm, Stephanie; Daneshmand, Sia; Doroshow, James H.; Efstathiou, Jason A.; Galsky, Matthew; Iyer, Gopa; Kassouf, Wassim; Shah, Jay; Taylor, John; Williams, Stephen B.; Quale, Diane Zipursky; Rosenberg, Jonathan E.

    2016-01-01

    The 10th Annual Bladder Cancer Think Tank was hosted by the Bladder Cancer Advocacy Network and brought together a multidisciplinary group of clinicians, researchers, representatives and Industry to advance bladder cancer research efforts. Think Tank expert panels, group discussions, and networking opportunities helped generate ideas and strengthen collaborations between researchers and physicians across disciplines and between institutions. Interactive panel discussions addressed a variety of timely issues: 1) data sharing, privacy and social media; 2) improving patient navigation through therapy; 3) promising developments in immunotherapy; 4) and moving bladder cancer research from bench to bedside. Lastly, early career researchers presented their bladder cancer studies and had opportunities to network with leading experts. PMID:27376139

  14. Developing and Evaluating an Eighth Grade Curriculum Unit That Links Foundational Chemistry to Biological Growth: Paper 5--Using Teacher Measures to Evaluate the Promise of the Intervention

    ERIC Educational Resources Information Center

    Flanagan, Jean C.; Herrmann-Abell, Cari F.; Roseman, Jo Ellen

    2013-01-01

    AAAS (American Association for the Advancement of Science) is collaborating with BSCS (Biological Sciences Curriculum Study) in the development of a curriculum unit for eighth grade students that connects fundamental chemistry and biology concepts to better prepare them for high school biology. Recognizing that teachers play an influential role in…

  15. Effects of Readers Theatre on fluency, content mastery, motivation and gender with 9th grade biology students

    NASA Astrophysics Data System (ADS)

    Purdy, Jill E.

    This study determined the effects of Readers Theatre when used with ninth grade biology students. The independent variable was the intervention of Readers Theatre and the dependent variables were fluency (reading rate and prosody), composite (vocabulary and content) science scores and student motivation, using both quantitative and qualitative research methods. This study also examined the outcomes by gender, but only in the outcome variable of science composite score. An exploratory analysis examined class type (college preparatory and general) and PSSA reading level (below basic, basic, proficient and advanced) for each dependent variable. Four ninth grade college preparatory biology classrooms and three general biology classes participated. The students involved are from a suburban school district located in the eastern portion of Pennsylvania. Outcomes were analyzed separately by using an ANCOVA. Posttest scores were the dependent variable and pretest scores were the covariate. Using qualitative methodology, participants' questionnaire responses were analyzed to supplement quantitative results and to explore trends in motivation. Significant increases were found in words per minute and prosody in the area of prosody, general classes benefited to a larger extent than college preparatory classes. No significance was found in science composite, vocabulary or content test scores. Indications from students and teachers questionnaires were that Readers Theatre is a motivational technique. In this study, Readers Theater was proven to increase both fluency and prosody, while being motivating to the biology students.

  16. The role of low-grade inflammation and metabolic flexibility in aging and nutritional modulation thereof: a systems biology approach.

    PubMed

    Calçada, Dulce; Vianello, Dario; Giampieri, Enrico; Sala, Claudia; Castellani, Gastone; de Graaf, Albert; Kremer, Bas; van Ommen, Ben; Feskens, Edith; Santoro, Aurelia; Franceschi, Claudio; Bouwman, Jildau

    2014-01-01

    Aging is a biological process characterized by the progressive functional decline of many interrelated physiological systems. In particular, aging is associated with the development of a systemic state of low-grade chronic inflammation (inflammaging), and with progressive deterioration of metabolic function. Systems biology has helped in identifying the mediators and pathways involved in these phenomena, mainly through the application of high-throughput screening methods, valued for their molecular comprehensiveness. Nevertheless, inflammation and metabolic regulation are dynamical processes whose behavior must be understood at multiple levels of biological organization (molecular, cellular, organ, and system levels) and on multiple time scales. Mathematical modeling of such behavior, with incorporation of mechanistic knowledge on interactions between inflammatory and metabolic mediators, may help in devising nutritional interventions capable of preventing, or ameliorating, the age-associated functional decline of the corresponding systems.

  17. Report on the 10th International Conference of the Asian Clinical Oncology Society (ACOS 2012).

    PubMed

    Kim, Yeul Hong; Yang, Han-Kwang; Kim, Tae Won; Lee, Jung Shin; Seong, Jinsil; Lee, Woo Yong; Ahn, Yong Chan; Lim, Ho Yeong; Won, Jong-Ho; Park, Kyong Hwa; Cho, Kyung Sam

    2013-04-01

    The 10th International Conference of the Asian Clinical Oncology Society (ACOS 2012) in conjunction with the 38th Annual Meeting of the Korean Cancer Association, was held on June 13 to 15 (3 days) 2012 at COEX Convention and Exhibition Center in Seoul, Korea. ACOS has a 20-year history starting from the first conference in Osaka, Japan, which was chaired by Prof. Tetsuo Taguchi and the ACOS conferences have since been conducted in Asian countries every 2 years. Under the theme of "Work Together to Make a Difference for Cancer Therapy in Asia", the 10th ACOS was prepared to discuss various subjects through a high-quality academic program, exhibition, and social events. The ACOS 2012 Committee was composed of the ACOS Organizing Committee, Honorary Advisors, Local Advisors, and ACOS 2012 Organizing Committee. The comprehensive academic program had a total of 92 sessions (3 Plenary Lectures, 1 Award Lectures, 1 Memorial Lectures, 9 Special Lectures, 15 Symposia, 1 Debate & Summary Sessions, 1 Case Conferences, 19 Educational Lectures, 1 Research & Development Session, 18 Satellite Symposia, 9 Meet the Professors, 14 Oral Presentations) and a total 292 presentations were delivered throughout the entire program. Amongst Free Papers, 462 research papers (110 oral presentations and 352 poster presentations) were selected to be presented. This conference was the largest of all ACOS conferences in its scale with around 1,500 participants from 30 countries. Furthermore, despite strict new financial policies and requirements governing fundraising alongside global economic stagnation, a total of 14 companies participated as sponsors and an additional 35 companies purchased 76 exhibition booths. Lastly, the conference social events provided attendees with a variety of opportunities to experience and enjoy Korea's rich culture and traditions during the Opening Ceremony, Welcome Reception, Invitee Dinner, Banquet, and Closing Ceremony. Overall, ACOS 2012 reinforced and promoted

  18. Fishy Activities for Your Small Fry. A Unit Plan in Fish Biology for Grades Kindergarten through Sixth. Educational Series Number 28.

    ERIC Educational Resources Information Center

    Sparrow, Mary E.; And Others

    This unit in fish biology is suitable for kindergarten through sixth grade. Provided in the unit are: (1) behavioral objectives for grades K-3 and 4-6; (2) an overview of activities and instructional strategies; (3) background information on fishes; (4) diagrams of internal/external fish structure; (5) list of key vocabulary words; (6) discussion…

  19. A Study of Patterns of Perception and Explanation Exhibited by Children in Grades 3, 6, and 9 When Classifying Pictures Representing Five Biological Levels of Organization.

    ERIC Educational Resources Information Center

    Berzofsky, Max

    Reported is a study designed to investigate three cognitive style dimensions exhibited by third-, sixth-, and ninth-grade children as they viewed, categorized, and organized biological phenomena. Subproblems were related to the effects of the independent variables of grade, sex, and IQ on these cognitive style dimensions. A stratified random…

  20. The 8th-10 th January 2009 snowfalls: a case of Mediterranean warm advection event

    NASA Astrophysics Data System (ADS)

    Aguado, F.; Ayensa, E.; Barriga, M.; Del Hoyo, J.; Fernández, A.; Garrido, N.; Martín, A.; Martín, F.; Roa, I. Martínez, A.; Pascual, R.

    2009-09-01

    From 8 th to 10 th of January 2009, significant snowfalls were reported in many areas of the Iberian Peninsula and the Balearic Islands. This relevant event was very important from the meteorological and social impact point of views. The snow affected many zones, especially the regions of Madrid, Castilla & León and Castilla-La Mancha (Spanish central plateau) with the persistence and thickness of solid precipitation. Up to twenty-five centimetres of snow were reported in some places. On 9th of January the snowfalls caused great social and media impact due to the fact that they took place in the early hours in the Madrid metropolitan areas, affecting both air traffic and land transport. The "Madrid-Barajas" airport was closed and the city was collapsed during several hours. A study of this situation appears in the poster. The snowstorm was characterized by the previous irruption of an European continental polar air mass, that subsequently interacted with a wet and warm air mass of Mediterranean origin, all preceded by low level easterly flows. This type of snowfall is called "warm advection". These winter situations are very efficient from precipitation point of view, generating significant snowfalls and affecting a lot of areas.

  1. FOREWORD: 10th Anglo-French Physical Acoustics Conference (AFPAC 2011)

    NASA Astrophysics Data System (ADS)

    Lhémery, Alain; Saffari, Nader

    2012-03-01

    The Anglo-French Physical Acoustics Conference (AFPAC) had its 10th annual meeting in Villa Clythia, Fréjus, France, from 19-21 January 2011. This series of meetings is a collaboration between the Physical Acoustics Group (PAG) of the Institute of Physics and the Groupe d'Acoustique Physique, Sous-marine et UltraSonore (GAPSUS) of the Société Française d'Acoustique. The conference has its loyal supporters whom we wish to thank. It is their loyalty that has made this conference a success. AFPAC alternates between the UK and France and its format has been designed to ensure that it remains a friendly meeting of very high scientific quality, offering a broad spectrum of subjects, welcoming young researchers and PhD students and giving them the opportunity to give their first presentations in an 'international' conference, but with limited pressure. For the third consecutive year AFPAC is followed by the publication of its proceedings in the form of 18 peer-reviewed papers, which cover the most recent research developments in the field of Physical Acoustics in the UK and France. Alain Lhémery CEA, France Nader Saffari UCL, United Kingdom

  2. [Report of the 10th Annual Meeting of the Chinese society of Clinical Oncology].

    PubMed

    Cho, William Chi-Shing

    2008-03-01

    The 10th Annual Meeting of the Chinese Society of Clinical Oncology (CSCO) was held on 19-23 September 2007 in Harbin. The theme of this conference was "putting standard multidisciplinary cancer management into practice" and special reports of standard multidisciplinary management on various cancers were presented. Over 3 500 clinical oncologists and scientists participated in the 2007 CSCO Annual Meeting where more than ten international top experts were invited to exchange valuable experiences with the delegates. The programs consisted of Education Session, Satellite Symposium and Meet the Professor Session. The latest research results were presented as oral presentations and posters at the congress. Several hotspots were particularly highlighted in this report, including innovative radiotherapy and chemotherapy methods, researches on molecular targets and clinical trials of targeted therapy, such as endostatin, volociximab, cetuximab, bevacizumab and temozolomide. The remarkable research results of anti-cancer Chinese medicine, cancer screening and prognosis were also introduced. This article tries to call the attention to some hot topics in the program that are both new and noteworthy, and it may serve as a highlight of this important international cancer research meeting for clinical oncologists and scientists.

  3. International Classification of Diseases, 10th Revision, coding for prematurity: need for standardized nomenclature.

    PubMed

    Chabra, Shilpi

    2015-01-01

    The International Classification of Diseases, Ninth Revision, Clinical Modification was introduced in the United States in 1979 as a coding system to document inpatient diagnostic and procedural codes. However, transition to International Classification of Diseases, 10th Revision (ICD-10) has been federally mandated by October 2015 due to advances in medical technology and procedures in medicine. This includes ICD-10, Clinical Modification and ICD-10, Procedure Coding System. The ICD-10 coding set is more detailed and specific and will add 54 000 diagnosis codes and 83 000 procedure codes to the International Classification of Diseases, Ninth Revision, Clinical Modification code set, thereby accounting for increased granularity of codes needed for evidence-based medicine. This article describes the importance of need for specificity of the codes and emphasizes the role of training in preparing for implementation of the ICD-10 coding system. An example is made for the need for accuracy in ICD-10 codes for prematurity as regards defining the premature population using standardized nomenclature.

  4. Developing Achievement Test: A Research for Assessment of 5th Grade Biology Subject

    ERIC Educational Resources Information Center

    Sener, Nilay; Tas, Erol

    2017-01-01

    The purpose of this study is to prepare a multiple-choice achievement test with high reliability and validity for the "Let's Solve the Puzzle of Our Body" unit. For this purpose, a multiple choice achievement test consisting of 46 items was applied to 178 fifth grade students in total. As a result of the test and material analysis…

  5. Intrinsic subtypes of high-grade bladder cancer reflect the hallmarks of breast cancer biology.

    PubMed

    Damrauer, Jeffrey S; Hoadley, Katherine A; Chism, David D; Fan, Cheng; Tiganelli, Christopher J; Wobker, Sara E; Yeh, Jen Jen; Milowsky, Matthew I; Iyer, Gopa; Parker, Joel S; Kim, William Y

    2014-02-25

    We sought to define whether there are intrinsic molecular subtypes of high-grade bladder cancer. Consensus clustering performed on gene expression data from a meta-dataset of high-grade, muscle-invasive bladder tumors identified two intrinsic, molecular subsets of high-grade bladder cancer, termed "luminal" and "basal-like," which have characteristics of different stages of urothelial differentiation, reflect the luminal and basal-like molecular subtypes of breast cancer, and have clinically meaningful differences in outcome. A gene set predictor, bladder cancer analysis of subtypes by gene expression (BASE47) was defined by prediction analysis of microarrays (PAM) and accurately classifies the subtypes. Our data demonstrate that there are at least two molecularly and clinically distinct subtypes of high-grade bladder cancer and validate the BASE47 as a subtype predictor. Future studies exploring the predictive value of the BASE47 subtypes for standard of care bladder cancer therapies, as well as novel subtype-specific therapies, will be of interest.

  6. Explorations in Backyard Biology: Drawing on Nature in the Classroom, Grades 4-6.

    ERIC Educational Resources Information Center

    Raham, R. Gary

    This book is designed to guide students grades 4-6 in exploring new worlds of adventure in the life sciences. Students read short features on creatures as near as their own backyards, are invited to expand their interest with classroom and field activities, and are shown how to use drawing and writing skills to record their experiences in a…

  7. Explorations in Backyard Biology: Drawing on Nature in the Classroom, Grades 4-6.

    ERIC Educational Resources Information Center

    Raham, R. Gary

    This book is designed to guide students grades 4-6 in exploring new worlds of adventure in the life sciences. Students read short features on creatures as near as their own backyards, are invited to expand their interest with classroom and field activities, and are shown how to use drawing and writing skills to record their experiences in a…

  8. Exploiting molecular biology for diagnosis and targeted management of pediatric low-grade gliomas.

    PubMed

    Garcia, Michael A; Solomon, David A; Haas-Kogan, Daphne A

    2016-06-01

    The majority of brain tumors arising in children are low-grade gliomas. Although historically categorized together as pediatric low-grade gliomas (PLGGs), there is significant histologic and genetic diversity within this group. In general, prognosis for PLGGs is excellent, and limitation of sequelae from tumor and treatment is paramount. Advances in high-throughput genetic sequencing and gene expression profiling are fundamentally changing the way PLGGs are classified and managed. Here, we review the histologic subtypes and highlight how recent advances in elucidating the molecular pathogenesis of these tumors have refined diagnosis and prognostication. Additionally, we discuss how characterizing specific genetic alterations has paved the way for the rational use of targeted therapies that are currently in various phase clinical trials.

  9. Stromal matrix metalloproteinase-14 expression correlates with the grade and biological behavior of mammary phyllodes tumors.

    PubMed

    Kim, Ga-Eon; Kim, Jo-Heon; Lee, Kyung Hwa; Choi, Yoo Duck; Lee, Ji Shin; Lee, Jae Hyuk; Nam, Jong Hee; Choi, Chan; Park, Min Ho; Yoon, Jung Han

    2012-05-01

    Phyllodes tumors (PTs) of the breast are rare biphasic tumors with the potential for invasion and metastatic spread. Matrix metalloproteinases (MMPs) and their tissue inhibitors of metalloproteinases (TIMPs) are involved in several key aspects of tumoral growth, invasion, and metastasis, but little is known of their expression in PTs. The objective of this study was to assess the expression of MMPs and TIMPs in PTs and to determine their association with grade and clinical behavior of PTs. Eighty-two PTs (50 benign, 22 borderline, and 10 malignant) were studied. Automated immunohistochemical staining for MMP-1, -2, -7, -9, -11, -13, and -14 and TIMP-1, -2, and -3 was performed using tissue microarray blocks and the expression of MMPs and TIMPs was assessed in the stromal component. There were no significant differences in the expression of stromal MMPs and TIMPs in the 3 groups of PTs, except for MMP-14. There was a significant increase in stromal MMP-14 expression with increasing PT grade (P<0.01). The stromal MMP-14 expression in the borderline and malignant PTs was higher than that in benign PTs (P<0.05 and P<0.05, respectively). Furthermore, the expression of stromal MMP-14 was associated with a higher rate of recurrence (P<0.05). Our results show for the first time that stromal MMP-14 expression is associated with the grade and clinical behavior of PTs of the breast.

  10. Eruption Mechanism of the 10th Century Eruption in Baitoushan Volcano, China/North Korea

    NASA Astrophysics Data System (ADS)

    Shimano, T.; Miyamoto, T.; Nakagawa, M.; Ban, M.; Maeno, F.; Nishimoto, J.; Jien, X.; Taniguchi, H.

    2005-12-01

    Baitoushan volcano, China/North Korea, is one of the most active volcanoes in Northeastern Asia, and the 10th century eruption was the most voluminous eruption in the world in recent 2000 years. The sequence of the eruption reconstructed recently consists mainly of 6 units of deposits (Miyamoto et al., 2004); plinian airfall (unit B), large pyroclastic flow (unit C), plinian airfall with some intra- plinian pyroclastic flows (unit D), sub-plinian airfall (unit E), and large pyroclastic flow (unit F) with base surge (unit G) in ascending order. The magma erupted during steady eruption in earlier phase was comendite (unit B-C; Phase 1), whereas the magma during fluctuating eruptions in later phase is characterized by trachyte to trachyandesite with various amount of comendite (unit D-G; Phase 2). The wide variety in composition and occurrence of banded pumices strongly indicate mixing or mingling of the two magmas just prior to or during the eruption. The initial water contents had been determined for comendite by melt inclusion analyses (ca. 5.2 wt.%; Horn and Schmincke, 2000). Although the initial water content of the trachytic magma has not been correctly determined yet, the reported water contents of trachytic melt inclusions are lower (3-4 wt.%) than those of comenditic melt (Horn and Schmincke, 2000). We investigated juvenile materials of the eruption sequentially in terms of vesicularity, H2O content in matrix glass and textural characteristics. The vesicularity of pumices are generally high (>0.75) for all units. The residual water contents of the comenditic pumices during Phase 1 are relatively uniform (1.6 wt.%), whereas those of the trachytic scoria during Phase 2 and gray pumices during Phase 1 are low (ca. 0.7-1.3 wt.%). These facts may indicate that the difference in the initial water content, rather than the ascent mechanism of magma, controls the steadiness or fluctuation in eruption styles and the mass flux during the eruption.

  11. 10th annual meeting of the Safety Pharmacology Society: an overview.

    PubMed

    Cavero, Icilio

    2011-03-01

    The 10th annual meeting of the Safety Pharmacology (SP) Society covered numerous topics of educational and practical research interest. Biopolymers - the theme of the keynote address - were presented as essential components of medical devices, diagnostic tools, biosensors, human tissue engineering and pharmaceutical formulations for optimized drug delivery. Toxicology and SP investigators - the topic of the Distinguished Service Award Lecture - were encouraged to collaborate in the development of SP technologies and protocols applicable to toxicology studies. Pharmaceutical companies, originally organizations bearing all risks for developing their portfolios, are increasingly moving towards fully integrated networks which outsource core activities (including SP studies) to large contract research organizations. Future nonclinical data are now expected to be of such high quality and predictability power that they may obviate the need for certain expensive and time-consuming clinical investigations. In this context, SP is called upon to extend its risk assessment purview to areas which currently are not systematically covered, such as drug-induced QRS interval prolongation, negative emotions and feelings (e.g., depression), and minor chronic cardiovascular and metabolic changes (e.g., as produced by drugs for type 2 diabetes) which can be responsible for delayed morbidity and mortality. The recently approved ICH S9 guidance relaxes the traditional regulatory SP package in order to accelerate the clinical access to anticancer drugs for patients with advanced malignancies. The novel FDA 'Animal Rule' guidance proposes that for clinical candidates with well-understood toxicities, marketing approval may be granted exclusively on efficacy data generated in animal studies as human clinical investigations for these types of drugs are either unfeasible or unethical. In conclusion, the core messages of this meeting are that SP should consistently operate according to the 'fit

  12. MATERIALS USED IN TEACHING AND EVALUATING THE CONCEPTS RELATED TO THE BIOLOGICAL CELL IN GRADES 2-6, PRACTICAL PAPER NO. 2.

    ERIC Educational Resources Information Center

    STAUSS, NYLES G.

    INCLUDED ARE MATERIALS FOR USE IN TEACHING AND EVALUATING 11 SELECTED CONCEPTS RELATED TO THE BIOLOGICAL CELL IN GRADES 2 TO 6. THE CONCEPTS WERE SELECTED AND THEIR ORDER DETERMINED THROUGH AN ANALYSIS OF ELEMENTARY TEXTBOOK SERIES, HIGH SCHOOL AND COLLEGE BIOLOGY TEXTS, CYTOLOGY TEXTS, AND INFORMATION GATHERED THROUGH A PILOT STUDY. THE MATERIALS…

  13. Structure of biological graded refractive index materials, and possible routes to self-assembly

    NASA Astrophysics Data System (ADS)

    Cai, Jing; Heiney, Paul; Sweeney, Alison

    2014-03-01

    For a camera-like eye, a spherical lens with a radially graded refractive index is required for high-quality image formation. Squids have evolved this lens design, and the index gradient results from variation in the density of protein in the lens from the center (70% packing fraction) to the periphery (2% packing fraction). However, density fluctuations must also remain low in all regions to maintain lens transparency. Squids have achieved this by an evolutionary radiation of the isoforms of one protein, S-crystallin; different protein isoforms are synthesized in different radial positions of the lens. We studied whether these proteins self-assemble into the observed gradient index material. X-ray scattering was performed on both intact lenses and solubilized lens protein. Our results show that protein packing is organized, and that the organization changes with radial position. We identify possible self-assembled routes to the observed structures via the predicted interactions between the proteins. Our study may provide insights into engineering new self-assembling graded refractive index materials.

  14. Examining Students' Views on the Nature of Science: Results from Korean 6th, 8th, and 10th Graders

    ERIC Educational Resources Information Center

    Kang, Sukjin; Scharmann, Lawrence C.; Noh, Taehee

    2005-01-01

    In this study, students' views on the nature of science (NOS) were investigated with the use of a large-scale survey. An empirically derived multiple-choice format questionnaire was administered to 1702 Korean 6th, 8th, and 10th graders. The questionnaire consisted of five items that respectively examined students' views on five constructs…

  15. Predicting the Occupational Aspirations, Occupational Expectations, and Career Maturity of Black and White Male and Female 10th Graders.

    ERIC Educational Resources Information Center

    McNair, David; Brown, Duane

    1983-01-01

    Investigated the relationship of self-concept, parental influence, race, sex, and socioeconomic status to occupational aspirations and expectations and career maturity in 259 10th graders. Black students seemed to have aspirations and expectations similar to whites but less career maturity. Parent influence was an important predictor for all…

  16. Graduate Students Lend Their Voices: Reflections on the 10th Seminar in Health and Environmental Education Research

    ERIC Educational Resources Information Center

    Russell, Joshua; White, Peta; Fook, Tanya Chung Tiam; Kayira, Jean; Muller, Susanne; Oakley, Jan

    2010-01-01

    Graduate students were invited by their faculty advisors to attend the 10th Seminar in Health and Environmental Education Research. Afterward, they were encouraged to comment on their experiences, involvement, and positioning. Two main authors developed survey questions and retrieved, analyzed, and synthesized the responses of four other graduate…

  17. 3 CFR 8938 - Proclamation 8938 of March 1, 2013. 10th Anniversary of the United States Department of Homeland...

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... of the United States Department of Homeland Security 8938 Proclamation 8938 Presidential Documents Proclamations Proclamation 8938 of March 1, 2013 Proc. 8938 10th Anniversary of the United States Department of Homeland SecurityBy the President of the United States of America A Proclamation Ten years ago, when...

  18. Risk Communication and Public Education in Edmonton, Alberta, Canada on the 10th Anniversary of the "Black Friday" Tornado

    ERIC Educational Resources Information Center

    Blanchard-Boehm, R. Denise; Cook, M. Jeffrey

    2004-01-01

    In July 1997, on the 10th anniversary of the great "Black Friday" Tornado, city officials of Edmonton, the print and broadcast media, agencies dealing in emergency management, and the national weather organisation recounted stories of the 1987, F5 tornado that struck Edmonton on a holiday weekend. The information campaign also presented…

  19. Proceedings of the International Conference on Mobile Learning 2014. (10th, Madrid, Spain, February 28-March 2, 2014)

    ERIC Educational Resources Information Center

    Sánchez, Inmaculada Arnedillo, Ed.; Isaías, Pedro, Ed.

    2014-01-01

    These proceedings contain the papers of the 10th International Conference on Mobile Learning 2014, which was organised by the International Association for Development of the Information Society, in Madrid, Spain, February 28-March 2, 2014. The Mobile Learning 2014 International Conference seeks to provide a forum for the presentation and…

  20. Students' Transition Experience in the 10th Year of Schooling: Perceptions That Contribute to Improving the Quality of Schools

    ERIC Educational Resources Information Center

    Torres, Ana Cristina; Mouraz, Ana

    2015-01-01

    The study followed students in their 10th year of schooling that entered a new secondary education school in order to examine their perceptions of their previous schools' work and of its relationship with the difficulties they experience when in the transition. The analysis of 155 completed questionnaires of previous students of nine basic…

  1. 77 FR 21773 - Filing Dates for The New Jersey Special Election in The 10th Congressional District

    Federal Register 2010, 2011, 2012, 2013, 2014

    2012-04-11

    ... Filing Dates for The New Jersey Special Election in The 10th Congressional District AGENCY: Federal Election Commission. ACTION: Notice of filing dates for special election. SUMMARY: New Jersey has scheduled... the New Jersey Special Primary and Special General Elections shall file a 12-day Pre-Primary Report...

  2. Risk Communication and Public Education in Edmonton, Alberta, Canada on the 10th Anniversary of the "Black Friday" Tornado

    ERIC Educational Resources Information Center

    Blanchard-Boehm, R. Denise; Cook, M. Jeffrey

    2004-01-01

    In July 1997, on the 10th anniversary of the great "Black Friday" Tornado, city officials of Edmonton, the print and broadcast media, agencies dealing in emergency management, and the national weather organisation recounted stories of the 1987, F5 tornado that struck Edmonton on a holiday weekend. The information campaign also presented…

  3. Weekly Formative Exams and Creative Grading Enhance Student Learning in an Introductory Biology Course

    ERIC Educational Resources Information Center

    Bailey, E. G.; Jensen, J.; Nelson, J.; Wiberg, H. K.; Bell, J. D.

    2017-01-01

    First-year students often become discouraged during introductory biology courses when repeated attempts to understand concepts nevertheless result in poor test scores. This challenge is exacerbated by traditional course structures that impose premature judgments on students' achievements. Repeated testing has been shown to benefit student ability…

  4. Making the Grade in Undergraduate Biology Courses: Factors that Distinguish High and Low Achievers.

    ERIC Educational Resources Information Center

    Nist, Sherrie L.; And Others

    The factors that influence the performance of undergraduate students in introductory biology courses were studied, considering cognitive, metacognitive, and behavioral factors. From 612 participants volunteering, 52 consistent high performers and 57 consistent low performers were selected. Information was collected on their study habits,…

  5. Laboratory Experiences in Marine Biology for Upper Elementary and Secondary School Grades, Teachers Edition.

    ERIC Educational Resources Information Center

    Raimist, Roger J.

    Designed to assist the teacher who wishes to use marine organisms for biological laboratory investigations, this manual includes general information on maintaining marine aquaria and collecting marine organisms as well as five tested laboratory exercises. The exercises deal with the measurement of oxygen consumption (giving techniques for…

  6. The Effect of Seat Location on Exam Grades and Student Perceptions in an Introductory Biology Class

    ERIC Educational Resources Information Center

    Kalinowski, Steven; Taper, Mark L.

    2007-01-01

    The authors present results from an experiment that tested the effect of seat location on student performance and attitudes in an undergraduate biology class. The seat assignments were randomly assigned on the first day of class. The authors did not find that students sitting in the front did any better than students sitting in the back. (Contains…

  7. Investigating Environmental Problems in a High School Biology Course for Grades 11-12.

    ERIC Educational Resources Information Center

    Reinard, William

    A second-year biology class at Sedro-Woolley High School is part of an interdisciplinary program designed to develop a heightened awareness of environmental problems. A model for such a course is explained and evaluated. Students' awareness of values increases through the use of problem-solving techniques, audiovisual aids, articles and books, and…

  8. Surgical anatomy of the 10th and 11th intercostal, and subcostal nerves: prevention of damage during lumbotomy.

    PubMed

    van der Graaf, Teunette; Verhagen, Paul C M S; Kerver, Anton L A; Kleinrensink, Gert-Jan

    2011-08-01

    In a descriptive, inventorial anatomical study we mapped the course of the 10th and 11th intercostal nerves, and the subcostal nerve in the abdominal wall to determine a safe zone for lumbotomy. We dissected 11 embalmed cadavers, of which 10 were analyzed. The 10th and 11th intercostal nerves, and the subcostal nerve were dissected from the intercostal space to the rectus sheath. Analysis was done using computer assisted surgical anatomy mapping. A safe zone and an incision line with a minimum of nerve crossings were determined. The 10th and 11th intercostal nerves were invariably positioned subcostally. The subcostal nerve lay subcostally but caudal to the rib in 4 specimens. The main branches were located between the internal oblique and transverse abdominal muscles. The nerves branched and extensively varied in the abdominal wall. A straight line extended from the superior surface of the 11th and 12th ribs indicated a zone with lower nerve density. In 5 specimens the 10th and 11th intercostal nerves crossed this line from the superior surface of the 11th rib. In 5 specimens neither the 11th intercostal nerve nor the subcostal nerve crossed this extended line from the superior surface of the 12th rib up to 15 cm from the tip of the rib. Damage is inevitable to branches of the 10th or 11th intercostal nerve, or the subcostal nerve during lumbotomy. However, an incision extending from the superior surface of the 11th or 12th rib is less prone to damage these nerves. Closing the abdominal wall in 3 layers with the transverse abdominal muscle separately might prevent damage to neighboring nerves. Copyright © 2011 American Urological Association Education and Research, Inc. Published by Elsevier Inc. All rights reserved.

  9. Biennial Conference on the Biology of Marine Mammals (10th), Held in Galveston, Texas on November 11-15, 1993

    DTIC Science & Technology

    1993-11-15

    Mamiferos Marinos. P. 0. Box 09-01-6637, Guayaquil, Ecuador. ThevocalizationsofacaptivejuvenilefcmaleGuadalupefurseal Between February 1990 and January...MORPHOLOGICAL INDEX, FISHERY STOCK, AND SCHOOL Laboratorio de Mamiferos Marinos, Fac. de Ciencias, UNAM, Mexico. Garcia, A. I. and Dizon, A. E. Ap...J!, McAdie, Haase, J .M .B. , and F6lix, F. Malcolm L.’, and Cornish, Tracy E.’ Fundacijn Ecuatoriana para el Estudio de Mamiferos Marinos. ’Marine

  10. Fortified Settlements of the 9th and 10th Centuries ad in Central Europe: Structure, Function and Symbolism.

    PubMed

    Herold, Hajnalka

    2012-11-01

    THE STRUCTURE, FUNCTION(S) and symbolism of early medieval (9th-10th centuries ad) fortified settlements from central Europe, in particular today's Austria, Hungary, Czech Republic and Slovakia, are examined in this paper. It offers an overview of the current state of research together with new insights based on analysis of the site of Gars-Thunau in Lower Austria. Special emphasis is given to the position of the fortified sites in the landscape, to the elements of the built environment and their spatial organisation, as well as to graves within the fortified area. The region under study was situated on the SE border of the Carolingian (and later the Ottonian) Empire, with some of the discussed sites lying in the territory of the 'Great Moravian Empire' in the 9th and 10th centuries. These sites can therefore provide important comparative data for researchers working in other parts of the Carolingian Empire and neighbouring regions.

  11. A Biological Micro Actuator: Graded and Closed-Loop Control of Insect Leg Motion by Electrical Stimulation of Muscles

    PubMed Central

    Cao, Feng; Zhang, Chao; Vo Doan, Tat Thang; Li, Yao; Sangi, Daniyal Haider; Koh, Jie Sheng; Huynh, Ngoc Anh; Aziz, Mohamed Fareez Bin; Choo, Hao Yu; Ikeda, Kazuo; Abbeel, Pieter; Maharbiz, Michel M.; Sato, Hirotaka

    2014-01-01

    In this study, a biological microactuator was demonstrated by closed-loop motion control of the front leg of an insect (Mecynorrhina torquata, beetle) via electrical stimulation of the leg muscles. The three antagonistic pairs of muscle groups in the front leg enabled the actuator to have three degrees of freedom: protraction/retraction, levation/depression, and extension/flexion. We observed that the threshold amplitude (voltage) required to elicit leg motions was approximately 1.0 V; thus, we fixed the stimulation amplitude at 1.5 V to ensure a muscle response. The leg motions were finely graded by alternation of the stimulation frequencies: higher stimulation frequencies elicited larger leg angular displacement. A closed-loop control system was then developed, where the stimulation frequency was the manipulated variable for leg-muscle stimulation (output from the final control element to the leg muscle) and the angular displacement of the leg motion was the system response. This closed-loop control system, with an optimized proportional gain and update time, regulated the leg to set at predetermined angular positions. The average electrical stimulation power consumption per muscle group was 148 µW. These findings related to and demonstrations of the leg motion control offer promise for the future development of a reliable, low-power, biological legged machine (i.e., an insect–machine hybrid legged robot). PMID:25140875

  12. Pagan-Christian change in northeastern Hungary in the 10th-13th centuries AD--a palaeodemographic aspect.

    PubMed

    János, István; Szathmiry, László; Hüse, Lajos

    2014-03-01

    In the present paper the authors compared skeletal populations (2421 individuals) excavated from four cemeteries, namely Hajdúdorog-Gyúlás (10th century AD), Hajdidorog-Temetöhegy (11th century AD), Hajdúdorog-Katidülö (12th-13th century AD) and Hajdúdorog-Szálldáföld (12th-13th century AD) from a micro-region of Northern Hajdúság (located in the northern part of the Great Hungarian Plain in Hungary in the Carpathian Basin) based on demographic data. The cemeteries were dated to the age of the Hungarian conquest and the Arpadian age and provided representative data for anthropological research. Previous studies based on craniological and archaeological investigations have already suggested that there was discontinuity in the population history between the 10th and the 11th centuries AD and continuity between the 11th and 12th centuries AD in this region. This hypothesis could be partially supported by demographic investigations because conclusive evidence was found that there must have been a change in the population at the turn of the 10th and 11th centuries AD, and there was certain continuity between the 11th and 12-13th centuries AD. The authors suppose that there were two crises in the examined period: the first crisis set in at the transition from the pagan era (10th century AD) to the Christian era (from the beginning of the 11th century AD, with population resettlements within the Carpathian Basin), the second might have been more moderate and meant burying the dead of the populations lacking a church in the churchyards of villages which had a church. At that time one graveyard around a church may have been used by several village populations.

  13. Effects of grade control structures on fish passage, biological assemblages, and hydraulic environments in western Iowa streams: a multidisciplinary review

    USGS Publications Warehouse

    Thomas, J.T.; Culler, M.E.; Dermisis, D.C.; Pierce, Clay; Papanicolaou, A.N.; Stewart, T.W.; Larson, C.J.

    2011-01-01

    Land use changes and channelization of streams in the deep loess region of western Iowa have led to stream channel incision, altered flow regimes, increased sediment inputs, decreased habitat diversity and reduced lateral connectivity of streams and floodplains. Grade control structures (GCSs) are built in streams to prevent further erosion, protect infrastructure and reduce sediment loads. However, GCS can have a detrimental impact on fisheries and biological communities. We review three complementary biological and hydraulic studies on the effects of GCS in these streams. GCS with steep (≥1:4 rise : run) downstream slopes severely limited fish passage, but GCS with gentle slopes (≤1:15) allowed greater passage. Fish assemblages were dominated by species tolerant of degradation, and Index of Biotic Integrity (IBI) scores were indicative of fair or poor biotic integrity. More than 50% of fish species had truncated distributions. After modification of GCS to reduce slopes and permit increased passage, IBI scores increased and several species were detected further upstream than before modification. Total macroinvertebrate density, biomass and taxonomic diversity and abundance of ecologically sensitive taxa were greater at GCS than in reaches immediately upstream, downstream or ≥1 km from GCS. A hydraulic study confirmed results from fish passage studies; minimum depths and maximum current velocities at GCS with gentle slopes (≤1:15) were more likely to meet minimum criteria for catfish passage than GCS with steeper slopes. Multidisciplinary approaches such as ours will increase understanding of GCS-associated factors influencing fish passage, biological assemblage structure and other ecological relationships in streams.

  14. SOCIAL STUDIES CURRICULUM. JUNIOR HIGH SCHOOL, GRADE 9.

    ERIC Educational Resources Information Center

    LIBBER, THEODORE; PENN, JOSEPH E.

    IN GRADE 9, ANCIENT HISTORY IS STUDIED DURING THE FIRST SEMESTER, FOLLOWED BY MEDIEVAL HISTORY THE SECOND SEMESTER. IT IS HOPED THAT MOST STUDENTS WILL CONTINUE THEIR HISTORY STUDY IN THE 10TH GRADE WITH MODERN HISTORY, BASED UPON THE CULTURAL CONCEPTS PRESENTED IN THE 9TH GRADE. GEOGRAPHY AND CIVICS ARE OFFERED AS ONE-SEMESTER ELECTIVES IN 9TH…

  15. Novel findings about management of gastric cancer: A summary from 10th IGCC

    PubMed Central

    Penon, Danila; Cito, Letizia; Giordano, Antonio

    2014-01-01

    The Tenth International Gastric Cancer Congress (IGCC) was held in Verona, Italy, from June 19 to 22, 2013. The meeting enclosed various aspects of stomach tumor management, including both tightly clinical approaches, and topics more related to basic research. Moreover, an overview on gastrointestinal stromal tumors was provided too, although here not discussed. Here we will discuss some topics related to molecular biology of gastric cancer (GC), inherent to prognostic, diagnostic and therapeutic tools shown at the conference. Results about well known subjects, such as E-cadherin loss of expression/function, were presented. They revealed that other mutations of the gene were identified, showing a continuous research to improve diagnosis and prognosis of stomach tumor. Simultaneously, new possible molecular markers with an established role for other neoplasms, were discussed, such as mesothelin, stomatin-like protein 2 and Notch-1. Hence, a wide overview including both old and new diagnostic/prognostic tools was offered. Great attention was also dedicated to possible drugs to be used against GC. They included monoclonal antibodies, such as MS57-2.1, drugs used in other pathologies, such as maraviroc, and natural extracts from plants such as biflorin. We would like to contribute to summarize the most impressive studies presented at the IGCC, concerning novel findings about molecular biology of gastric cancer. Although further investigations will be necessary, it can be inferred that more and more tools were developed, so as to better face stomach neoplasms. PMID:25083072

  16. Novel findings about management of gastric cancer: a summary from 10th IGCC.

    PubMed

    Penon, Danila; Cito, Letizia; Giordano, Antonio

    2014-07-21

    The Tenth International Gastric Cancer Congress (IGCC) was held in Verona, Italy, from June 19 to 22, 2013. The meeting enclosed various aspects of stomach tumor management, including both tightly clinical approaches, and topics more related to basic research. Moreover, an overview on gastrointestinal stromal tumors was provided too, although here not discussed. Here we will discuss some topics related to molecular biology of gastric cancer (GC), inherent to prognostic, diagnostic and therapeutic tools shown at the conference. Results about well known subjects, such as E-cadherin loss of expression/function, were presented. They revealed that other mutations of the gene were identified, showing a continuous research to improve diagnosis and prognosis of stomach tumor. Simultaneously, new possible molecular markers with an established role for other neoplasms, were discussed, such as mesothelin, stomatin-like protein 2 and Notch-1. Hence, a wide overview including both old and new diagnostic/prognostic tools was offered. Great attention was also dedicated to possible drugs to be used against GC. They included monoclonal antibodies, such as MS57-2.1, drugs used in other pathologies, such as maraviroc, and natural extracts from plants such as biflorin. We would like to contribute to summarize the most impressive studies presented at the IGCC, concerning novel findings about molecular biology of gastric cancer. Although further investigations will be necessary, it can be inferred that more and more tools were developed, so as to better face stomach neoplasms.

  17. Food-grade chemical and biological agents permeabilize red beet hairy roots, assisting the release of betalaines.

    PubMed

    Thimmaraju, R; Bhagyalakshmi, N; Narayan, M S; Ravishankar, G A

    2003-01-01

    Hairy root cultures of red beet, Beta vulgaris L., were permeabilized under the functions of food-grade chemical and biological agents cetyl trimethylammonium bromide (CTAB), Triton X-100, Tween-80, Lactobacillus helveticus, Saccharomyces cereviseae, and Candida utilis, as well as cell fractions of L. helveticus, for the recovery of betalaines with or without oxygen stress. Tween-80 (0.15%), Triton X-100 (0.2%), and CTAB (0.05%), in combination with oxygen stress, released 45%, 70%, and 90% pigment into the medium, respectively, with significantly lesser levels in agitated cultures receiving similar treatments. The release was rapid (1 h) in CTAB treatment with a much slower release in Tween-80. CTAB (0.002%) was found to be also useful in effluxing betalaines (80%) from hairy roots grown in a bubble column reactor. Viability of permeabilized hairy roots, tested on agar medium, was not affected by any level of CTAB treatment and was significantly retarded at higher levels of Triton X-100 and Tween-80. An altogether new approach of pigment release using biological agents such as live cells of food-grade microbes was used where C. utilis, L. helveticus, and S. cereviseae released 60%, 85%, and 54% betalaines, respectively, in 24 h, though lower level treatments also released similar levels of pigment by 48 h. Dried whole cell powder of L. helveticus, its total insoluble carbohydrate, and free lipid fractions released 10%, 0%, and 85% pigment, respectively. An extended study with a bubble column reactor using the free lipid fraction of L. helveticus showed 50% and 84% pigment release in 8 and 12 h, respectively, exhibiting good viability when plated on agar medium. Even in the bioreactor, replenishment of medium 8 h after treatment with free lipid of L. helveticus allowed regrowth of hairy roots. The high level of pigment release recorded here, using CTAB or lipid of L. helveticus, appears useful for developing processes for in situ recovery of betalaines. The live

  18. Comparing Biology Grades Based on Instructional Delivery and Instructor at a Community College: Face-to-Face Course Versus Online Course

    NASA Astrophysics Data System (ADS)

    Rosenzweig, Amanda H.

    Through distance learning, the community college system has been able to serve more students by providing educational opportunities to students who would otherwise be unable to attend college. The community college of focus in the study increased its online enrollments and online course offerings due to the growth of overall enrollment. The need and purpose of the study is to address if there is a difference in students' grades between face-to-face and online biology related courses and if there are differences in grades between face-to-face and online biology courses taught by different instructors and the same instructor. The study also addresses if online course delivery is a viable method to educate students in biology-related fields. The study spanned 14 semesters between spring 2006 and summer 2011. Data were collected for 6,619 students. For each student, demographic information, cumulative grade point average, ACT, and data on course performance were gathered. Student data were gathered from General Biology I, Microbiology of Human Pathogens, Human Anatomy and Physiology I, and Human Anatomy and Physiology II courses. Univariate analysis of variance, linear regression, and descriptive analysis were used to analyze the data and determine which variables significantly impacted grade achievement for face-to-face and online students in biology classes. The findings from the study showed that course type, face-to-face or online, was significant for Microbiology of Human Pathogens and Human Anatomy and Physiology I, both upper level courses. Teachers were significant for General Biology I, a lower level course, Human Anatomy and Physiology I, and Human Anatomy and Physiology II. However, in every class, there were teachers who had significant differences within their courses between their face-to-face and online courses. This study will allow information to be concluded about the relationship between the students' final grades and class type, face-to-face or

  19. Is the 10th and 11th Intercostal Space a Safe Approach for Percutaneous Nephrostomy and Nephrolithotomy?

    SciTech Connect

    Muzrakchi, Ahmed Al; Szmigielski, W. Omar, Ahmed J.S.; Younes, Nagy M.

    2004-09-15

    The aim of this study was to determine the rate of complications in percutaneous nephrostomy (PCN) and nephrolithotomy (PCNL) performed through the 11th and 10th intercostal spaces using our monitoring technique and to discuss the safety of the procedure. Out of 398 PCNs and PCNLs carried out during a 3-year period, 56 patients had 57 such procedures performed using an intercostal approach. The 11th intercostal route was used in 42 and the 10th in 15 cases. One patient had two separate nephrostomies performed through the 10th and 11th intercostal spaces. The technique utilizes bi-planar fluoroscopy with a combination of a conventional angiographic machine to provide anterior-posterior fluoroscopy and a C-arm mobile fluoroscopy machine to give a lateral view, displayed on two separate monitors. None of the patients had clinically significant thoracic or abdominal complications. Two patients had minor chest complications. Only one developed changes (plate atelectasis, elevation of the hemi-diaphragm) directly related to the nephrostomy (2%). The second patient had bilateral plate atelectasis and unilateral congestive lung changes after PCNL. These changes were not necessarily related to the procedure but rather to general anesthesia during nephrolithotomy. The authors consider PCN or PCNL through the intercostal approach a safe procedure with a negligible complication rate, provided that it is performed under bi-planar fluoroscopy, which allows determination of the skin entry point just below the level of pleural reflection and provides three-dimensional monitoring of advancement of the puncturing needle toward the target entry point.

  20. Analysis and test for space shuttle propellant dynamics (1/10th scale model test results). Volume 1: Technical discussion

    NASA Technical Reports Server (NTRS)

    Berry, R. L.; Tegart, J. R.; Demchak, L. J.

    1979-01-01

    Space shuttle propellant dynamics during ET/Orbiter separation in the RTLS (return to launch site) mission abort sequence were investigated in a test program conducted in the NASA KC-135 "Zero G" aircraft using a 1/10th-scale model of the ET LOX Tank. Low-g parabolas were flown from which thirty tests were selected for evaluation. Data on the nature of low-g propellant reorientation in the ET LOX tank, and measurements of the forces exerted on the tank by the moving propellent will provide a basis for correlation with an analytical model of the slosh phenomenon.

  1. Cold winters in Poland in the period from 10th century to the first decade of 21st century

    NASA Astrophysics Data System (ADS)

    Limanowka, D.; Cebulak, E.; Pyrc, R.

    2010-09-01

    Extreme weather phenomena together with their exceptional course and intensity have always been dangerous for people. In the historical documents such phenomena were marked as basic disasters. First notes about weather phenomena were made in Polish lands in the 10th century. Research included extremely cold and snowy winters which were described in historical documents as a extreme meteorological phenomena. Data from the period of instrumental measurements in the 20th century were studied in detail. The results were referred to last 500 years. The information obtained gives approximate image of extreme winters in the historical times in Polish lands. All available multi-proxy data were used

  2. The effects of academic literacy instruction on engagement and conceptual understanding of biology of ninth-grade students

    NASA Astrophysics Data System (ADS)

    Larson, Susan C.

    Academic language, discourse, vocabulary, motivation, and comprehension of complex texts and concepts are keys to learning subject-area content. The need for a disciplinary literacy approach in high school classrooms accelerates as students become increasing disengaged in school and as content complexity increases. In the present quasi-experimental mixed-method study, a ninth-grade biology unit was designed with an emphasis on promoting academic literacy skills, discourse, meaningful constructivist learning, interest development, and positive learning experiences in order to learn science content. Quantitative and qualitative analyses on a variety of measures completed by 222 students in two high schools revealed that those who received academic literacy instruction in science class performed at significantly higher levels of conceptual understanding of biology content, academic language and vocabulary use, reasoned thought, engagement, and quality of learning experience than control-group students receiving traditionally-organized instruction. Academic literacy was embedded into biology instruction to engage students in meaning-making discourses of science to promote learning. Academic literacy activities were organized according the phases of interest development to trigger and sustain interest and goal-oriented engagement throughout the unit. Specific methods included the Generative Vocabulary Matrix (GVM), scenario-based writing, and involvement in a variety of strategically-placed discourse activities to sustain or "boost" engagement for learning. Traditional instruction for the control group included teacher lecture, whole-group discussion, a conceptual organizer, and textbook reading. Theoretical foundations include flow theory, sociocultural learning theory, and interest theory. Qualitative data were obtained from field notes and participants' journals. Quantitative survey data were collected and analyzed using the Experience Sampling Method (ESM) to

  3. Proposal of a 2-tier histologic grading system for canine cutaneous mast cell tumors to more accurately predict biological behavior.

    PubMed

    Kiupel, M; Webster, J D; Bailey, K L; Best, S; DeLay, J; Detrisac, C J; Fitzgerald, S D; Gamble, D; Ginn, P E; Goldschmidt, M H; Hendrick, M J; Howerth, E W; Janovitz, E B; Langohr, I; Lenz, S D; Lipscomb, T P; Miller, M A; Misdorp, W; Moroff, S; Mullaney, T P; Neyens, I; O'Toole, D; Ramos-Vara, J; Scase, T J; Schulman, F Y; Sledge, D; Smedley, R C; Smith, K; W Snyder, P; Southorn, E; Stedman, N L; Steficek, B A; Stromberg, P C; Valli, V E; Weisbrode, S E; Yager, J; Heller, J; Miller, R

    2011-01-01

    Currently, prognostic and therapeutic determinations for canine cutaneous mast cell tumors (MCTs) are primarily based on histologic grade. However, the use of different grading systems by veterinary pathologists and institutional modifications make the prognostic value of histologic grading highly questionable. To evaluate the consistency of microscopic grading among veterinary pathologists and the prognostic significance of the Patnaik grading system, 95 cutaneous MCTs from 95 dogs were graded in a blinded study by 28 veterinary pathologists from 16 institutions. Concordance among veterinary pathologists was 75% for the diagnosis of grade 3 MCTs and less than 64% for the diagnosis of grade 1 and 2 MCTs. To improve concordance among pathologists and to provide better prognostic significance, a 2-tier histologic grading system was devised. The diagnosis of high-grade MCTs is based on the presence of any one of the following criteria: at least 7 mitotic figures in 10 high-power fields (hpf); at least 3 multinucleated (3 or more nuclei) cells in 10 hpf; at least 3 bizarre nuclei in 10 hpf; karyomegaly (ie, nuclear diameters of at least 10% of neoplastic cells vary by at least two-fold). Fields with the highest mitotic activity or with the highest degree of anisokaryosis were selected to assess the different parameters. According to the novel grading system, high-grade MCTs were significantly associated with shorter time to metastasis or new tumor development, and with shorter survival time. The median survival time was less than 4 months for high-grade MCTs but more than 2 years for low-grade MCTs.

  4. Effect of Video Triggering During Conventional Lectures on Final Grades of Dental Students in an Oral Biology Course: A Two-Year Retrospective Study.

    PubMed

    Farooq, Imran; Al-Jandan, Badr A

    2015-12-01

    The aim of this study was to analyze the effect of the inclusion of video triggers in conventional face-to-face lectures on the final grades of dental students in an oral biology course. The study consisted of two groups of students taking the course in two academic years at a dental school in Saudi Arabia: group 1, 2013-14 (control); and group 2, 2014-15. The total sample comprised 163 students (n=163; group 1: 71 and group 2: 92). Group 1 received lectures without any videos, whereas group 2 received lectures that included two to three videos of one to five minutes in duration with triggering effect (a video was shown every 10-15 minutes into the lecture). The final examination grades of the students were accessed retrospectively, and the data were compared with a chi-square test. The results confirmed that a higher number of students who received video triggering during lectures (group 2) performed better than their counterparts who did not receive video triggers (group 1); the difference was statistically significant (p<0.05). Among the group 2 students, 26% achieved a grade of A, and 37% achieved a grade of B. In contrast, only 7% of the group 1 students obtained a grade of A, and 31% achieved a grade of B. These results suggest that video triggers may offer an advantage over conventional methods and their inclusion in lectures can be a way to enhance students' learning.

  5. Fortified Settlements of the 9th and 10th Centuries ad in Central Europe: Structure, Function and Symbolism

    PubMed Central

    Herold, Hajnalka

    2012-01-01

    THE STRUCTURE, FUNCTION(S) and symbolism of early medieval (9th–10th centuries ad) fortified settlements from central Europe, in particular today’s Austria, Hungary, Czech Republic and Slovakia, are examined in this paper. It offers an overview of the current state of research together with new insights based on analysis of the site of Gars-Thunau in Lower Austria. Special emphasis is given to the position of the fortified sites in the landscape, to the elements of the built environment and their spatial organisation, as well as to graves within the fortified area. The region under study was situated on the SE border of the Carolingian (and later the Ottonian) Empire, with some of the discussed sites lying in the territory of the ‘Great Moravian Empire’ in the 9th and 10th centuries. These sites can therefore provide important comparative data for researchers working in other parts of the Carolingian Empire and neighbouring regions. PMID:23564981

  6. Contributions from the 10th International Conference on Gas in Marine Sediments, Listvyanka (Russia), 6-11 September 2010

    NASA Astrophysics Data System (ADS)

    De Batist, Marc; Khlystov, Oleg

    2012-12-01

    The 10th International Conference on Gas in Marine Sediments (GIMS10) took place from 6 to 11 September 2010 in Listvyanka (Russia), on the shores of Lake Baikal. The conference was organized as a double jubilee, celebrating both the fact that it was the 10th event in this series and the 20th anniversary of the series. A total of 72 oral and 47 poster presentations were given in eight thematic sessions and the presentations were discussed by 126 participants from academic, governmental and commercial institutions from 19 countries, consisting of geologists, biologists, microbiologists, geophysicists, geochemists, oceanographers and limnologists. Volume 32(5/6) of Geo-Marine Letters is a double issue containing 16 selected papers from GIMS10, and has been guest edited by M. De Batist and O. Khlystov. The papers reflect the broad-spectrum disciplines represented at the conference and cover a wide range of aspects of gas in marine sediments from many parts of the world, but with a special emphasis on the gas seeps, gas hydrates and mud volcanoes of Lake Baikal.

  7. Evaluating the Ability of Drama-Based Instruction To Influence the Socialization of Tenth Grade English Students Labeled as "Low Ability."

    ERIC Educational Resources Information Center

    Danielson, Trygve R.

    A study investigated the effect of drama-based instruction on the learning of social skills by student labeled as "low ability" in a 10th-grade required English class in a rural high school. Two separate classes of "low ability" 10th-grade English students in Janesville, Wisconsin, were presented with social skills training…

  8. Imaging in the Age of Precision Medicine: Summary of the Proceedings of the 10th Biannual Symposium of the International Society for Strategic Studies in Radiology.

    PubMed

    Herold, Christian J; Lewin, Jonathan S; Wibmer, Andreas G; Thrall, James H; Krestin, Gabriel P; Dixon, Adrian K; Schoenberg, Stefan O; Geckle, Rena J; Muellner, Ada; Hricak, Hedvig

    2016-04-01

    During the past decade, with its breakthroughs in systems biology, precision medicine (PM) has emerged as a novel health-care paradigm. Challenging reductionism and broad-based approaches in medicine, PM is an approach for disease treatment and prevention that takes into account individual variability in genes, environment, and lifestyle. It involves integrating information from multiple sources in a holistic manner to achieve a definitive diagnosis, focused treatment, and adequate response assessment. Biomedical imaging and imaging-guided interventions, which provide multiparametric morphologic and functional information and enable focused, minimally invasive treatments, are key elements in the infrastructure needed for PM. The emerging discipline of radiogenomics, which links genotypic information to phenotypic disease manifestations at imaging, should also greatly contribute to patient-tailored care. Because of the growing volume and complexity of imaging data, decision-support algorithms will be required to help physicians apply the most essential patient data for optimal management. These innovations will challenge traditional concepts of health care and business models. Reimbursement policies and quality assurance measures will have to be reconsidered and adapted. In their 10th biannual symposium, which was held in August 2013, the members of the International Society for Strategic Studies in Radiology discussed the opportunities and challenges arising for the imaging community with the transition to PM. This article summarizes the discussions and central messages of the symposium.

  9. The Interpretations and Applications of Boethius's Introduction to the Arithmetic II,1 at the End of the 10th Century

    NASA Astrophysics Data System (ADS)

    Otisk, Marek

    This paper deals with comments and glosses to the first chapter of the second book of Boethius's Introduction to Arithmetic from the last quarter of the 10th century. Those texts were written by Gerbert of Aurillac (Scholium ad Boethii Arithmeticam Institutionem l. II, c. 1), Abbo of Fleury (commentary on the Calculus by Victorius of Aquitaine, the so-called De numero, mensura et pondere), Notker of Liège (De superparticularibus) and by the anonymous author (De arithmetica Boetii). The main aim of this paper is to show that Boethius's statements about the converting numerical sequences to equality from this work could be interpreted minimally in two different ways. This paper discussed also the application of this topic in other liberal arts (like astronomy, music, grammar etc.) and in playing game called rithmomachia, the medieval philosophers' game.

  10. Optical and microphysical properties of mineral dust and biomass burning aerosol observed over Warsaw on 10th July 2013

    NASA Astrophysics Data System (ADS)

    Janicka, Lucja; Stachlewska, Iwona; Veselovskii, Igor; Baars, Holger

    2016-04-01

    Biomass burning aerosol originating from Canadian forest fires was widely observed over Europe in July 2013. Favorable weather conditions caused long-term westward flow of smoke from Canada to Western and Central Europe. During this period, PollyXT lidar of the University of Warsaw took wavelength dependent measurements in Warsaw. On July 10th short event of simultaneous advection of Canadian smoke and Saharan dust was observed at different altitudes over Warsaw. Different origination of both air masses was indicated by backward trajectories from HYSPLIT model. Lidar measurements performed with various wavelength (1064, 532, 355 nm), using also Raman and depolarization channels for VIS and UV allowed for distinguishing physical differences of this two types of aerosols. Optical properties acted as input for retrieval of microphysical properties. Comparisons of microphysical and optical properties of biomass burning aerosols and mineral dust observed will be presented.

  11. IBC’s 23rd Annual Antibody Engineering, 10th Annual Antibody Therapeutics International Conferences and the 2012 Annual Meeting of The Antibody Society

    PubMed Central

    Klöhn, Peter-Christian; Wuellner, Ulrich; Zizlsperger, Nora; Zhou, Yu; Tavares, Daniel; Berger, Sven; Zettlitz, Kirstin A.; Proetzel, Gabriele; Yong, May; Begent, Richard H.J.; Reichert, Janice M

    2013-01-01

    The 23rd Annual Antibody Engineering, 10th Annual Antibody Therapeutics international conferences, and the 2012 Annual Meeting of The Antibody Society, organized by IBC Life Sciences with contributions from The Antibody Society and two Scientific Advisory Boards, were held December 3–6, 2012 in San Diego, CA. The meeting drew over 800 participants who attended sessions on a wide variety of topics relevant to antibody research and development. As a prelude to the main events, a pre-conference workshop held on December 2, 2012 focused on intellectual property issues that impact antibody engineering. The Antibody Engineering Conference was composed of six sessions held December 3–5, 2012: (1) From Receptor Biology to Therapy; (2) Antibodies in a Complex Environment; (3) Antibody Targeted CNS Therapy: Beyond the Blood Brain Barrier; (4) Deep Sequencing in B Cell Biology and Antibody Libraries; (5) Systems Medicine in the Development of Antibody Therapies/Systematic Validation of Novel Antibody Targets; and (6) Antibody Activity and Animal Models. The Antibody Therapeutics conference comprised four sessions held December 4–5, 2012: (1) Clinical and Preclinical Updates of Antibody-Drug Conjugates; (2) Multifunctional Antibodies and Antibody Combinations: Clinical Focus; (3) Development Status of Immunomodulatory Therapeutic Antibodies; and (4) Modulating the Half-Life of Antibody Therapeutics. The Antibody Society’s special session on applications for recording and sharing data based on GIATE was held on December 5, 2012, and the conferences concluded with two combined sessions on December 5–6, 2012: (1) Development Status of Early Stage Therapeutic Antibodies; and (2) Immunomodulatory Antibodies for Cancer Therapy. PMID:23575266

  12. International Classification of Diseases 10th edition-based disability adjusted life years for measuring of burden of specific injury

    PubMed Central

    Kim, Yu Jin; Shin, Sang Do; Park, Hye Sook; Song, Kyoung Jun; Cho, Jin Sung; Lee, Seung Chul; Kim, Sung Chun; Park, Ju Ok; Ahn, Ki Ok; Park, Yu Mi

    2016-01-01

    Objective We aimed to develop an International Classification of Diseases (ICD) 10th edition injury code-based disability-adjusted life year (DALY) to measure the burden of specific injuries. Methods Three independent panels used novel methods to score disability weights (DWs) of 130 indicator codes sampled from 1,284 ICD injury codes. The DWs were interpolated into the remaining injury codes (n=1,154) to estimate DWs for all ICD injury codes. The reliability of the estimated DWs was evaluated using the test-retest method. We calculated ICD-DALYs for individual injury episodes using the DWs from the Korean National Hospital Discharge Injury Survey (HDIS, n=23,160 of 2004) database and compared them with DALY based on a global burden of disease study (GBD-DALY) regarding validation, correlation, and agreement for 32 injury categories. Results Using 130 ICD 10th edition injury indicator codes, three panels determined the DWs using the highest reliability (person trade-off 1, Spearman r=0.724, 0.788, and 0.875 for the three panel groups). The test-retest results for the reliability were excellent (Spearman r=0.932) (P<0.001). The HDIS database revealed injury burden (years) as follows: GBD-DALY (138,548), GBD-years of life disabled (130,481), and GBD-years of life lost (8,117) versus ICD-DALY (262,246), ICD-years of life disabled (255,710), and ICD-years of life lost (6,537), respectively. Spearman’s correlation coefficient of the DALYs between the two methods was 0.759 (P<0.001), and the Bland-Altman test displayed an acceptable agreement, with exception of two categories among 32 injury groups. Conclusion The ICD-DALY was developed to calculate the burden of injury for all injury codes and was validated with the GBD-DALY. The ICD-DALY was higher than the GBD-DALY but showed acceptable agreement. PMID:28168229

  13. XAFS study of copper and silver nanoparticles in glazes of medieval middle-east lustreware (10th-13th century)

    NASA Astrophysics Data System (ADS)

    Padovani, S.; Puzzovio, D.; Sada, C.; Mazzoldi, P.; Borgia, I.; Sgamellotti, A.; Brunetti, B. G.; Cartechini, L.; D'Acapito, F.; Maurizio, C.; Shokoui, F.; Oliaiy, P.; Rahighi, J.; Lamehi-Rachti, M.; Pantos, E.

    2006-06-01

    It has recently been shown that lustre decoration of medieval and Renaissance pottery consists of silver and copper nanoparticles dispersed in the glassy matrix of the ceramic glaze. Here the findings of an X-ray absorption fine structure (XAFS) study on lustred glazes of shards belonging to 10th and 13rd century pottery from the National Museum of Iran are reported. Absorption spectra in the visible range have been also measured in order to investigate the relations between colour and glaze composition. Gold colour is mainly due to Ag nanoparticles, though Ag+, Cu+ and Cu2+ ions can be also dispersed within the glassy matrix, with different ratios. Red colour is mainly due to Cu nanoparticles, although some Ag nanoparticles, Ag+ and Cu+ ions can be present. The achievement of metallic Cu and the absence of Cu2+ indicate a higher reduction of copper in red lustre. These findings are in substantial agreement with previous results on Italian Renaissance pottery. In spite of the large heterogeneity of cases, the presence of copper and silver ions in the glaze confirms that lustre formation is mediated by a copper- and silver-alkali ion exchange, followed by nucleation and growth of metal nanoparticles.

  14. The 10th anniversary of the Junior Members and Affiliates of the European Academy of Allergy and Clinical Immunology.

    PubMed

    Skevaki, Chrysanthi L; Maggina, Paraskevi; Santos, Alexandra F; Rodrigues-Alves, Rodrigo; Antolin-Amerigo, Dario; Borrego, Luis Miguel; Bretschneider, Isabell; Butiene, Indre; Couto, Mariana; Fassio, Filippo; Gardner, James; Xatzipsalti, Maria; Hovhannisyan, Lilit; Hox, Valerie; Makrinioti, Heidi; O Neil, Serena E; Pala, Gianni; Rudenko, Michael; Santucci, Annalisa; Seys, Sven; Sokolowska, Milena; Whitaker, Paul; Heffler, Enrico

    2011-12-01

    This year is the 10th anniversary of the European Academy of Allergy and Clinical Immunology (EAACI) Junior Members and Affiliates (JMAs). The aim of this review is to highlight the work and activities of EAACI JMAs. To this end, we have summarized all the initiatives taken by JMAs during the last 10 yr. EAACI JMAs are currently a group of over 2380 clinicians and scientists under the age of 35 yr, who support the continuous education of the Academy's younger members. For the past decade, JMAs enjoy a steadily increasing number of benefits such as free online access to the Academy's journals, the possibility to apply for Fellowships and the Mentorship Program, travel grants to attend scientific meetings, and many more. In addition, JMAs have been involved in task forces, cooperation schemes with other scientific bodies, organization of JMA focused sessions during EAACI meetings, and participation in the activities of EAACI communication platforms. EAACI JMA activities represent an ideal example of recruiting, training, and educating young scientists in order for them to thrive as future experts in their field. This model may serve as a prototype for other scientific communities, several of which have already adapted similar policies. © 2011 John Wiley & Sons A/S.

  15. Reaching every child with rotavirus vaccine: Report from the 10th African rotavirus symposium held in Bamako, Mali.

    PubMed

    Sow, Samba O; Steele, A Duncan; Mwenda, Jason M; Armah, George E; Neuzil, Kathleen M

    2017-09-08

    The Center for Vaccine Development - Mali (CVD - Mali), the World Health Organization's regional office in Africa (WHO/AFRO), and the CVD at the University of Maryland School of Medicine hosted the 10th African Rotavirus Symposium in Bamako, Mali on 1-2 June 2016. The symposium is coordinated by WHO/AFRO, the Regional Rotavirus Reference Laboratories, and the African Rotavirus Network (ARN), with support from the Bill & Melinda Gates Foundation. The event brings together leading rotavirus researchers, scientists, and policy-makers from across Africa and the world. Over 150 participants, from 31 countries, including 27 in Africa, joined forces to address the theme "Reaching Every Child in Africa with Rotavirus Vaccines." This symposium, the first in francophone Africa, occurred at an unprecedented time when 33 African countries had introduced rotavirus vaccines into their national immunization programs. The symposium concluded with a Call to Action to introduce rotavirus vaccines in the 21 remaining African countries, to increase access in countries with existing vaccination programs, and to continue surveillance and research on rotavirus and other diarrheal diseases. Copyright © 2017.

  16. [Thoracopagus symmetricus. On the separation of Siamese twins in the 10th century A. D. by Byzantine physicians].

    PubMed

    Geroulanos, S; Jaggi, F; Wydler, J; Lachat, M; Cakmakci, M

    1993-01-01

    The byzantine author, Leon Diakonos, mentions in 974/975 A.D. a pair of "siamese twins", e.g., a thoracopagus symmetricus. He had seen them personally several times in Asia Minor when they were about 30 years old. This pair is possibly the same that was "successfully" surgically separated after the death of one of the twins in the second half of the 10th century in Constantinople. This operation is mentioned by two historiographs, Leon Grammatikos and Theodoros Daphnopates. Although the second twin survived the operation, he died three days later. In spite of its lethal outcome, the operation left a long-lasting impression on the historians of that time and was even mentioned 150 years later by Johannes Skylitzes. Furthermore, the manuscript of Skylitzes, now in the library of Madrid, contains a miniature illuminating this operation. This is likely to be the earliest written report of a separation of siamese twins illustrating the high standard of byzantine medicine of that time.

  17. Stability and Change in Interests: A Longitudinal Study of Adolescents from Grades 8 through 12

    ERIC Educational Resources Information Center

    Tracey, Terence J. G.; Robbins, Steven B.; Hofsess, Christy D.

    2005-01-01

    The pattern of RIASEC interests and academic skills were assessed longitudinally from a large-scale national database at three time points: eight grade, 10th grade, and 12th grade. Validation and cross-validation samples of 1000 males and 1000 females in each set were used to test the pattern of these scores over time relative to mean changes,…

  18. Stability and Change in Interests: A Longitudinal Study of Adolescents from Grades 8 through 12

    ERIC Educational Resources Information Center

    Tracey, Terence J. G.; Robbins, Steven B.; Hofsess, Christy D.

    2005-01-01

    The pattern of RIASEC interests and academic skills were assessed longitudinally from a large-scale national database at three time points: eight grade, 10th grade, and 12th grade. Validation and cross-validation samples of 1000 males and 1000 females in each set were used to test the pattern of these scores over time relative to mean changes,…

  19. An Analysis of Cognitive Factor Change in Tenth Grade BSCS Biology Students With Special Reference to Version Specificity.

    ERIC Educational Resources Information Center

    Woodward, Elizabeth Scudder

    Two Biological Sciences Curriculum Study (BSCS) approaches to teaching high school biology were employed to study the relative effects which different curriculum approaches might have on certain intellectual aptitudes of students. Subjects included 144 students enrolled in the BSCS Yellow Version and 143 students enrolled in BSCS Blue Version.…

  20. Carpenter, tractors and microbes for the development of logical-mathematical thinking - the way 10th graders and pre-service teachers solve thinking challenges

    NASA Astrophysics Data System (ADS)

    Gazit, Avikam

    2012-12-01

    The objective of this case study was to investigate the ability of 10th graders and pre-service teachers to solve logical-mathematical thinking challenges. The challenges do not require mathematical knowledge beyond that of primary school but rather an informed use of the problem representation. The percentage of correct answers given by the 10th graders was higher than that of the pre-service teachers. Unlike the 10th graders, some of whom used various strategies for representing the problem, most of the pre-service teachers' answers were based on a technical algorithm, without using control processes. The obvious conclusion drawn from the findings supports and recommends expanding and enhancing the development of logical-mathematical thinking, both in specific lessons and as an integral part of other lessons in pre-service frameworks.

  1. Effect of Cooperative Learning Strategies on Student Verbal Interactions and Achievement during Conceptual Change Instruction in 10th Grade General Science.

    ERIC Educational Resources Information Center

    Lonning, Robert A.

    1993-01-01

    Evaluated the effects of cooperative learning on students' (n=36) verbal interaction patterns and achievement in a conceptual change instructional model in secondary science. It was found that students using cooperative-learning strategies showed greater achievement gains and made greater use of specific verbal patterns believed to be related to…

  2. The Enlightenment Music Contract. 10th Grade Lesson. Schools of California Online Resources for Education (SCORE): Connecting California's Classrooms to the World.

    ERIC Educational Resources Information Center

    Kelly, Freda

    The "philosophes" of the Enlightenment Period were a group of free (different) thinkers who offered commentary on societal issues. Often, they were like one of today's social commentators suggesting reforms for the political system. Since the United States during the era of the Revolutionary War was seeking reform of what they considered…

  3. A Comparison Study of AVID and GEAR UP 10th-Grade Students in Two High Schools in the Rio Grande Valley of Texas

    ERIC Educational Resources Information Center

    Watt, Karen M.; Huerta, Jeffery; Lozano, Aliber

    2007-01-01

    This study examines 4 groups of high school students enrolled in 2 college preparatory programs, AVID and GEAR UP. Differences in student educational aspirations, expectations and anticipations, knowledge of college entrance requirements, knowledge of financial aid, and academic achievement in mathematics were examined. Adelman's (1999)…

  4. The Effects of Game-Based Learning and Anticipation of a Test on the Learning Outcomes of 10th Grade Geology Students

    ERIC Educational Resources Information Center

    Chen, Chia-Li Debra; Yeh, Ting-Kuang; Chang, Chun-Yen

    2016-01-01

    This study examines whether a Role Play Game (RPG) with embedded geological contents and students' anticipation of an upcoming posttest significantly affect high school students' achievements of and attitudes toward geology. The participants of the study were comprised of 202 high school students, 103 males and 99 females. The students were…

  5. Criterion-Related Validity of Curriculum-Based Measurement in Writing with Narrative and Expository Prompts Relative to Passage Copying Speed in 10th Grade Students

    ERIC Educational Resources Information Center

    Mercer, Sterett H.; Martinez, Rebecca S.; Faust, Dennis; Mitchell, Rachel R.

    2012-01-01

    We investigated the criterion-related validity of four indicators of curriculum-based measurement in writing (WCBM) when using expository versus narrative writing prompts as compared to the validity of passage copying speed. Specifically, we compared criterion-related validity of production-dependent (total words written, correct word sequences),…

  6. The Effects of Game-Based Learning and Anticipation of a Test on the Learning Outcomes of 10th Grade Geology Students

    ERIC Educational Resources Information Center

    Chen, Chia-Li Debra; Yeh, Ting-Kuang; Chang, Chun-Yen

    2016-01-01

    This study examines whether a Role Play Game (RPG) with embedded geological contents and students' anticipation of an upcoming posttest significantly affect high school students' achievements of and attitudes toward geology. The participants of the study were comprised of 202 high school students, 103 males and 99 females. The students were…

  7. A Comparison Study of AVID and GEAR UP 10th-Grade Students in Two High Schools in the Rio Grande Valley of Texas

    ERIC Educational Resources Information Center

    Watt, Karen M.; Huerta, Jeffery; Lozano, Aliber

    2007-01-01

    This study examines 4 groups of high school students enrolled in 2 college preparatory programs, AVID and GEAR UP. Differences in student educational aspirations, expectations and anticipations, knowledge of college entrance requirements, knowledge of financial aid, and academic achievement in mathematics were examined. Adelman's (1999)…

  8. Nebraska Vocational Agribusiness Curriculum for City Schools. Career Opportunities in Agribusiness. Basic Skill in Agribusiness. A Curriculum Guide. 10th Grade.

    ERIC Educational Resources Information Center

    Nebraska Univ., Lincoln. Dept. of Agricultural Education.

    Designed for use with high school sophomores, this agribusiness curriculum for city schools contains thirty-one units of instruction in the areas of career opportunities in agribusiness and vocational agribusiness skills. Among the units included are (1) Career Selection, (2) Parliamentary Procedure and Public Speaking, (3) Career Opportunities in…

  9. Criterion-Related Validity of Curriculum-Based Measurement in Writing with Narrative and Expository Prompts Relative to Passage Copying Speed in 10th Grade Students

    ERIC Educational Resources Information Center

    Mercer, Sterett H.; Martinez, Rebecca S.; Faust, Dennis; Mitchell, Rachel R.

    2012-01-01

    We investigated the criterion-related validity of four indicators of curriculum-based measurement in writing (WCBM) when using expository versus narrative writing prompts as compared to the validity of passage copying speed. Specifically, we compared criterion-related validity of production-dependent (total words written, correct word sequences),…

  10. Advances in Classification Research. Volume 10. Proceedings of the ASIS SIG/CR Classification Research Workshop (10th, Washington, DC, November 1-5, 1999). ASIST Monograph Series.

    ERIC Educational Resources Information Center

    Albrechtsen, Hanne, Ed.; Mai, Jens-Erik, Ed.

    This volume is a compilation of the papers presented at the 10th ASIS (American Society for Information Science) workshop on classification research. Major themes include the social and cultural informatics of classification and coding systems, subject access and indexing theory, genre analysis and the agency of documents in the ordering of…

  11. Creating Cultures of Peace: Pedagogical Thought and Practice. Selected Papers from the 10th Triennial World Conference (September 10-15, 2001, Madrid, Spain)

    ERIC Educational Resources Information Center

    Benton, Jean E., Ed.; Swami, Piyush, Ed.

    2007-01-01

    The 10th Triennial World Conference of the World Council for Curriculum and Instruction (WCCI) was held September 10-15, 2001 in Madrid, Spain. The theme of the conference was "Cultures of Peace." Thirty-four papers and presentations are divided into nine sections. Part I, Tributes to the Founders of WCCI, includes: (1) Tribute to Alice…

  12. Advances in Classification Research. Volume 10. Proceedings of the ASIS SIG/CR Classification Research Workshop (10th, Washington, DC, November 1-5, 1999). ASIST Monograph Series.

    ERIC Educational Resources Information Center

    Albrechtsen, Hanne, Ed.; Mai, Jens-Erik, Ed.

    This volume is a compilation of the papers presented at the 10th ASIS (American Society for Information Science) workshop on classification research. Major themes include the social and cultural informatics of classification and coding systems, subject access and indexing theory, genre analysis and the agency of documents in the ordering of…

  13. Effects of organic matter removal, soil compaction and vegetation control on 10th year biomass and foliar nutrition: LTSP continent-wide comparisons

    Treesearch

    Felix Ponder Jr.; Robert L. Fleming; Shannon Berch; Matt D. Busse; John D. Elioff; Paul W. Hazlett; Richard D. Kabzems; J. Marty Kranabetter; David M. Morris; Deborah Page-Dumroese; Brian J. Palik; Robert F. Powers; Felipe G. Sanchez; D. Andrew Scott; Richard H. Stagg; Douglas M. Stone; David H. Young; Jianwei Zhang; Kim H. Ludovici; Daniel W. McKenney; Debbie S Mossa; Paul T. Sanborn; Richard A. Voldseth

    2012-01-01

    We examined 10th year above-ground planted tree and total stand biomass, and planted tree foliar N and P concentrations across gradients in soil disturbance at 45 North American Long-Term Soil Productivity (LTSP) installations. While ranging across several climate regions, these installations all share a common experimental design with similar measurement protocols....

  14. Carpenter, Tractors and Microbes for the Development of Logical-Mathematical Thinking--The Way 10th Graders and Pre-Service Teachers Solve Thinking Challenges

    ERIC Educational Resources Information Center

    Gazit, Avikam

    2012-01-01

    The objective of this case study was to investigate the ability of 10th graders and pre-service teachers to solve logical-mathematical thinking challenges. The challenges do not require mathematical knowledge beyond that of primary school but rather an informed use of the problem representation. The percentage of correct answers given by the 10th…

  15. Creating Cultures of Peace: Pedagogical Thought and Practice. Selected Papers from the 10th Triennial World Conference (September 10-15, 2001, Madrid, Spain)

    ERIC Educational Resources Information Center

    Benton, Jean E., Ed.; Swami, Piyush, Ed.

    2007-01-01

    The 10th Triennial World Conference of the World Council for Curriculum and Instruction (WCCI) was held September 10-15, 2001 in Madrid, Spain. The theme of the conference was "Cultures of Peace." Thirty-four papers and presentations are divided into nine sections. Part I, Tributes to the Founders of WCCI, includes: (1) Tribute to Alice…

  16. Carpenter, Tractors and Microbes for the Development of Logical-Mathematical Thinking--The Way 10th Graders and Pre-Service Teachers Solve Thinking Challenges

    ERIC Educational Resources Information Center

    Gazit, Avikam

    2012-01-01

    The objective of this case study was to investigate the ability of 10th graders and pre-service teachers to solve logical-mathematical thinking challenges. The challenges do not require mathematical knowledge beyond that of primary school but rather an informed use of the problem representation. The percentage of correct answers given by the 10th…

  17. Cancer biology for individualized therapy: Correlation of growth fraction index in native-state histoculture with tumor grade and stage

    SciTech Connect

    Vescio, R.A.; Connors, K.M. ); Youngkin, T. ); Bordin, G.M.; Robb, J.A. ); Umbreit, J.N. ); Hoffman, R.M. Univ. of California, San Diego )

    1990-01-01

    There is a need for individualization of all aspects of cancer therapy. Because of significant heterogeneity within a tumor class, there is a need to develop an in vitro test to accurately gauge tumor aggressiveness. Current methodologies such as flow cytometry, which lacks unambiguous interpretation of cell-proliferative data, and determination of the thymidine-labeling index, which measures nucleotide uptake in a nonphysiological state, have not reproducibly attained this goal. The authors have developed an in vitro native-state three-dimensional gel-supported histoculture system that allows the growth of all human solid tumor types for relatively long time periods. The native-state system was used to identify the percent of cells capable of incorporating ({sup 3}H)thymidine over a 4-day period, which we term the growth fraction index (GFI). They have compared the ability of cancer tissue to proliferate in native-state culture to the stage and histological grade of four major types of human carcinomas: breast, ovarian, colon, and lung. Eighty percent of tumor explants could be evaluated, even when sent from across the country. They have determined that the GFI correlates with tumor stage and grade for breast and ovarian carcinoma. These results suggest the applicability of gel-supported three-dimensional native-state histoculture for prognostic purpose in patients with breast and ovarian cancers and demonstrate the clinical relevance of the native-state histoculture system.

  18. The Effects of Utilizing Three Types of Advance Organizers for Learning a Biological Concept in Seventh Grade Science.

    ERIC Educational Resources Information Center

    Lucas, Stephen B.; Fowler, H. Seymour

    This study concerns determining whether three types of advance organizers (visual, audio, or written) had any effect upon learning a biological concept as measured by a constructed achievement test and whether advance organizers are more effective across learner variables of I.Q., abstract reasoning and sex. One hundred twenty randomly selected…

  19. A Comparison of Two Methods of Evaluation and Its Effect on Attrition and Final Grades in General Biology.

    ERIC Educational Resources Information Center

    Belzer, Thomas J.

    This study correlates the relationship between varying methods in student evaluation and its effect on student achievement and attrition. The sample studied consisted of 230 students enrolled in three separate semesters of General Biology 11A at Pasadena City College in 1972, 1973, and 1974. The earlier students were given longer exams over three…

  20. Regressive change in high-grade ductal carcinoma in situ of the breast: histopathologic spectrum and biologic importance.

    PubMed

    Wasserman, Jason K; Parra-Herran, Carlos

    2015-09-01

    High-grade ductal carcinoma in situ (HG-DCIS) of the breast often shows tumor attenuation and reactive fibrosis. These changes, previously described as "regressive," have been paradoxically associated with an increased risk of invasive carcinoma. We aimed to further characterize the spectrum of the so-called regressive changes (RCs) in HG-DCIS. We reviewed 52 consecutive cases of HG-DCIS on biopsy specimens followed by excision. RCs were divided into early (stage 1) and advanced (stages 2 and 3) stages according to the degree of ductal fibrosis and tumor effacement. The presence of inflammation, hormone receptor status, and diagnosis on excision were recorded. RCs were seen in 51 (98%) cases: 96%, 76.4%, and 39.2% cases showed stages 1, 2, and 3, respectively. Periductal T cells with a normal CD4/CD8 ratio were constantly seen. Advanced RCs and inflammation were more frequent in estrogen and progesterone receptor-negative tumors. RCs were not associated with invasion but correlated with a larger residual HG-DCIS volume on excision. Regression in HG-DCIS is frequent. It may reflect a targeted immune response to certain phenotypes, mainly hormone receptor-negative lesions. Nonetheless, RCs do not lead to complete tumor obliteration but correlate with aggressive tumor characteristics instead. Copyright© by the American Society for Clinical Pathology.

  1. The Effects of Individual Versus Cooperative Testing in a Flipped Classroom on the Academic Achievement, Motivation Toward Science, and Study Time for 9th Grade Biology Students

    NASA Astrophysics Data System (ADS)

    McCall, Megan O'Neill

    This study examined the effects of cooperative testing versus traditional or individual testing and the impacts on academic achievement, motivation toward science, and study time for 9th grade biology students. Research questions centered on weekly quizzes given in a flipped classroom format for a period of 13 weeks. The study used a mixed methods research design, which combined quantitative and qualitative data collection techniques. The study examined 66 students enrolled in three sections of a 9 th grade biology course at a private K-12 school. Students were randomly assigned to groups of three or four students. Weekly quizzes on regularly assigned curriculum material were provided from the flipped classroom videos. Six quizzes were randomly selected for each class to be in the cooperative testing format and six quizzes were randomly selected to be given individually or traditional-style testing format. Week 7 was reserved for administration of the mid-study questionnaire and no quiz was administered. Quantitative data collected included student grades on the 12 weekly quizzes. Qualitative data were also collected from pre-study, mid-study, and post-study questionnaires as well as semi-structured individual interviews and one focus group. Cooperative testing groups scored higher on the quizzes than when students took quizzes as individuals for five of the nine quizzes analyzed. Students did not score significantly higher than the best scorer in groups taking quizzes individually. For one quiz, the best scorer did better than the cooperative groups. Overall, cooperatively tested groups in some cases scored higher than the average of groups taking the quizzes individually, but the impact was not consistent across all quiz weeks. Difficulty level of the material, contextual factors, and ceiling effects are among potential explanations of the inconsistent outcomes. Across the study, motivation toward science stayed the same or increased depending on the aspect of

  2. A comparison of outcomes and cost in VHWG grade II hernias between Rives-Stoppa synthetic mesh hernia repair versus underlay biologic mesh repair.

    PubMed

    Fischer, J P; Basta, M N; Mirzabeigi, M N; Kovach, S J

    2014-01-01

    The current literature is void of evidence-based guidelines regarding optimal choice of mesh. We aim to perform a comparative outcome analysis of synthetic mesh and acellular dermal matrix (ADM) in Ventral Hernia Working Grade (VHWG) grade II hernias with primary fascial closure. A retrospective review of patients undergoing ventral hernia repair (VHR) by the senior author (S.J.K.) from 2007 to 2012 was performed. Patients undergoing VHR with primary fascial closure were risk stratified using the VHWG defined grading system. Seventy-two patients met the abovementioned inclusion criteria with 45 receiving synthetic mesh and 27 receiving ADM. The mean length of follow-up was 12.1 ± 9.1 months. Patients were, on average, 53.2 ± 11.6 years of age with a BMI of 33.9 ± 10.6 kg/m(2). The overall incidence of surgical site occurrence (SSO) in the cohort was 41.7 % and the incidence of hernia recurrence was 5.6 %. 30-day mortality was 1.2 %. Bivariate analysis demonstrated that obesity (P = 0.038) and number of comorbidities (P = 0.043) were associated with SSO. Bivariate analysis demonstrated that prior failed hernia, use of ADM, and operative time were associated with higher rates of hernia recurrence; however, adjusted multivariate regression found only prior failed hernia (OR = 4.1, P = 0.03) and biologic mesh (OR = 3.4, P = 0.046) to be independently associated with recurrent hernia. Comparison of mesh types revealed few differences in preoperative or operative characteristics between synthetic mesh and acellular dermal matrices (ADM). The rate of hernia recurrence was significantly higher with ADM (14.8 % vs. 0.0 %, P = 0.017). Patients receiving ADM repairs incurred significantly greater cost ($56,142.1 ± 54,775.5 vs. $30,599.8 ± 39,000.8, P < 0.001). These data suggest synthetic mesh is indicated in higher risk VHWG grade II repairs. In comparison to ADM, synthetic mesh was associated with significantly fewer hernia recurrences

  3. Proceedings of the Navy Symposium on Aeroballistics (10th) Held at the Sheraton Motor Inn, Fredericksburg, Virginia, on 15-16-17 July 1975. Volume 2

    DTIC Science & Technology

    1975-07-17

    White Oak Laboratory Silver Spring, Maryland i 1 ~ i. I. *This work was supported by the Naval Air Systems Command, AIR 320 : 425 ~ A 10th Navy Symposlum... Air Force, Army, other government agjincics. ivertz’ mt d from industry. It is our hope that wr can provide a pleasant atmospheie for you ’mIn ng lou - 1 ...663-7646 KALIVRETENOS, C. A. KUSTER, F. A. Naval Surface Weapons Center Advanced Missile Project Office White Oak Laboratory Naval Air Development

  4. Injuries and Physical Fitness Before and After Deployments of the 10th Mountain Division to Afghanistan and the 1st Cavalry Division to Iraq, September 2005 - October 2008

    DTIC Science & Technology

    2008-10-01

    determined using the McNemar Test. The McNemar Test allows comparison of frequency data involving repeated measures on the same individuals.(71) (3...and After Deployment of the 10thMt Cohort (n=505 Men) Injury Index Injury Incidence p-value ( McNemar Test) Predeployment Postdeployment Period 1...Injury Incidence Before and After Deployment of the 1stCav Cohort – Men (n=3242) Injury Index Injury Incidence p-value ( McNemar Test) Predeployment

  5. Report of the 10(th) Asia-Pacific Federation of Societies for Surgery of the Hand Congress (Organising Chair and Scientific Chair).

    PubMed

    A, Roohi Sharifah; Abdullah, Shalimar

    2016-10-01

    A report on the 10(th) Asia-Pacific Federation of Societies for the Surgery of the Hand and 6(th) Asia-Pacific Federation of Societies for Hand Therapists is submitted detailing the numbers of attendees participating, papers presented and support received as well the some of the challenges faced and how best to overcome them from the local conference chair and scientific chair point of view.

  6. Social Studies. Grade 10--European Culture Studies. 1975 Reprint.

    ERIC Educational Resources Information Center

    New York State Education Dept., Albany. Bureau of Secondary Curriculum Development.

    This 10th grade syllabus examines Western traditions historically. The topical organization of the material ranges from Europe Today--to illustrate the themes underlying Europe's cultural development--back to The Ancient Western World for an historical sequence through The Middle Ages, The Age of Transition, Modern Movements in Intellectual,…

  7. 21st Century Curriculum: Does Auto-Grading Writing Actually Work?

    ERIC Educational Resources Information Center

    T.H.E. Journal, 2013

    2013-01-01

    The West Virginia Department of Education's auto grading initiative dates back to 2004--a time when school districts were making their first forays into automation. The Charleston based WVDE had instituted a statewide writing assessment in 1984 for students in fourth, seventh, and 10th grades and was looking to expand that program without having…

  8. 21st Century Curriculum: Does Auto-Grading Writing Actually Work?

    ERIC Educational Resources Information Center

    T.H.E. Journal, 2013

    2013-01-01

    The West Virginia Department of Education's auto grading initiative dates back to 2004--a time when school districts were making their first forays into automation. The Charleston based WVDE had instituted a statewide writing assessment in 1984 for students in fourth, seventh, and 10th grades and was looking to expand that program without having…

  9. An investigation of the relationships between junior high school students' (8th and 9th grades) background variables and structure of knowledge recall of biological content

    NASA Astrophysics Data System (ADS)

    Demetrius, Olive Joyce

    The purpose of this study was to examine the relationships between Junior High School students' (8th and 9th grades) background variables (e.g. cognitive factors, prior knowledge, preference for science versus non-science activities, formal and informal activities) and structure of information recall of biological content. In addition, this study will illustrate how flow maps, a graphic display, designed to represent the sequential flow and cross linkage of ideas in information recalled by the learner can be used as a tool for analyzing science learning data. The participants (46 junior high school students) were taught a lesson on the human digestive system during which they were shown a model of the human torso. Their pattern of information recall was determined by using an interview technique to elicit their understanding of the functional anatomy of the human digestive system. The taped responses were later transcribed for construction of the flow map. The interview was also used to assess knowledge recall of biological content. The flow map, science interest questionnaire and the cognitive operations (based on content analysis of student's narrative) were used to analyze data from each respondent. This is a case study using individual subjects and interview techniques. The findings of this study are: (1) Based on flow map data higher academic ability students have more networking of ideas than low ability students. (2) A large percentage of 9th grade low ability students intend to pursue science/applied science course work after leaving school but they lack well organized ways of representing science knowledge in memory. (3) Content analysis of the narratives shows that students with more complex ideational networks use higher order cognitive thought processes compared to those with less networking of ideas. If students are to make a successful transition from low academic performance to high academic performance it seems that more emphasis should be placed on

  10. Grade Span.

    ERIC Educational Resources Information Center

    Renchler, Ron

    2000-01-01

    This issue reviews grade span, or grade configuration. Catherine Paglin and Jennifer Fager's "Grade Configuration: Who Goes Where?" provides an overview of issues and concerns related to grade spans and supplies profiles of eight Northwest schools with varying grade spans. David F. Wihry, Theodore Coladarci, and Curtis Meadow's…

  11. Contemporary Gleason grading and novel Grade Groups in clinical practice.

    PubMed

    Magi-Galluzzi, Cristina; Montironi, Rodolfo; Epstein, Jonathan I

    2016-09-01

    The Gleason grading system provides important information for guiding prostate cancer patients' management and prognostication. The grading system underwent significant modifications over the past decade. In 2005 and more recently in 2014, the International Society of Urological Pathology (ISUP) held two consensus conferences to update prostate cancer grading. Recently, five prognostic grade groups have been proposed to be used in parallel to the Gleason grading system. The purpose of this review is to highlight the key changes in the Gleason grading system and the utility of the grade groups to better reflect biologic behavior for both patients and clinicians. At the 2014 ISUP consensus conference, prostate cancer Gleason grading was updated and a previously proposed concept of five prognostic grade groups, from 1 to 5 was supported. The Grade Groups, used in parallel to the modified Gleason grading system, translate Gleason scores in five distinct risk categories where Grade Group 1 is defined as Gleason score 6 or less, Grade Group 2 as Gleason score 3 + 4 = 7, Grade Group 3 as Gleason score 4 + 3 = 7, Grade Group 4 as Gleason score 4 + 4 = 8, and Grade Group 5 as Gleason score 9/10. This 5-tiered grade group system better reflects biologic behavior and guides clinical care. The Grade Groups have been endorsed by the ISUP and the World Health Organization. The performance of the Grade Groups has been examined in several recent studies. This review summarizes developments over the last year in the use of grade groups and outlines their value in clinical practice.

  12. [Congresses of the Croatian Medical Association regarding unpublished proceedings of the 10th congress in Zadar on September 25-28, 1996].

    PubMed

    Drazancić, Ante

    2011-01-01

    The first annual meeting of Croatian physicians, with characteristics of a congress, was held in 1899 at the 25th anniversary of the Croatian Medical Association. From 1954 to 1996, during almost 60 years of existence of the Croatian Medical Association, ten congresses of the Association were held. The congresses were during the development of modern medicine devoted to different medical questions, including some problems of national pathology, of the structure and restructuring of health care. The work and the content of congresses were published in the proceedings except for the 8th Congress in 1987 and the 10th in 1996. By reading main lectures, invited lectures and free papers the knowledge of that period can be gained. Many papers are even today actual, even today it could be learned from them. With more details, using published proceedings the 9th congress and the 10th congress are described on the basis preserved program, of a brief report in home journal and ample preserved correspondence. The national medical congres dedicated to technology advancement and to numerous problems of national pathology may be actual even today. They could help to solve many problems of health care, contribute to its improvement and convey consensus on its further development.

  13. Langerhans cell histiocytosis or tuberculosis on a medieval child (Oppidum de la Granède, Millau, France - 10th-11th centuries AD).

    PubMed

    Colombo, Antony; Saint-Pierre, Christophe; Naji, Stephan; Panuel, Michel; Coqueugniot, Hélène; Dutour, Olivier

    2015-06-01

    In 2008, a skeleton of a 1 - 2.5-year-old child radiocarbon dated from the 10th - 11th century AD was discovered on the oppidum of La Granède (Millau, France). It presents multiple cranial osteolytic lesions having punched-out or geographical map-like aspects associated with sequestrum and costal osteitis. A multi 3D digital approach (CT, μCT and virtual reconstruction) enabled us to refine the description and identify the diploic origin of the lytic process. Furthermore, precise observation of the extent of the lesions and associated reorganization of the skeletal micro-structure were possible. From these convergent pieces of evidence, the differential diagnosis led to three possibilities: Langerhans cell histiocytosis, tuberculosis, or Langerhans cell histiocytosis and tuberculosis.

  14. Potential use of biomarkers in acute kidney injury: report and summary of recommendations from the 10th Acute Dialysis Quality Initiative consensus conference.

    PubMed

    Murray, Patrick T; Mehta, Ravindra L; Shaw, Andrew; Ronco, Claudio; Endre, Zoltan; Kellum, John A; Chawla, Lakhmir S; Cruz, Dinna; Ince, Can; Okusa, Mark D

    2014-03-01

    Over the last decade there has been considerable progress in the discovery and development of biomarkers of kidney disease, and several have now been evaluated in different clinical settings. Although there is a growing literature on the performance of various biomarkers in clinical studies, there is limited information on how these biomarkers would be utilized by clinicians to manage patients with acute kidney injury (AKI). Recognizing this gap in knowledge, we convened the 10th Acute Dialysis Quality Initiative meeting to review the literature on biomarkers in AKI and their application in clinical practice. We asked an international group of experts to assess four broad areas for biomarker utilization for AKI: risk assessment, diagnosis, and staging; differential diagnosis; prognosis and management; and novel physiological techniques including imaging. This article provides a summary of the key findings and recommendations of the group, to equip clinicians to effectively use biomarkers in AKI.

  15. [Hygienic assessment of lifestyle and health status in 10th-11th-form pupils directed to have a higher medical education].

    PubMed

    Timoshenko, K T

    2008-01-01

    Ninety-seven pupils from the 10th-to-11th classes formed on a competitive basis for intensive education, for forming motivation for future medical profession were examined using a set of psychophysiological tests that could evaluate the central nervous and cardiovascular systems, psychophysiological adaptation, task performance, and personality traits. The vast majority of the examinees were found to follow the hygienic recommendation of the day regimen, which corresponded to the principles of healthy lifestyle. In 99% of the pupils, mental capacity was rated as fair (66%) and high (33%), as evidenced by psychophysiological testing. Fifty-six per cent of the examinees were observed to have mental adaptive disorders that might reflect age-related psychological immaturity in them at the completing stage of schooling.

  16. Continuous bioprocessing: the real thing this time? 10(th) Annual bioProcessUK Conference, December 3-4, 2013, London, UK.

    PubMed

    Farid, Suzanne S; Thompson, Bill; Davidson, Andrew

    2014-01-01

    The Annual bioProcessUK Conference has acted as the key networking event for bioprocess scientists and engineers in the UK for the past 10 years. The following article is a report from the sessions that focused on continuous bioprocessing during the 10(th) Annual bioProcessUK Conference (London, December 2013). These sessions were organized by the 'EPSRC Centre for Innovative Manufacturing in Emergent Macromolecular Therapies' hosted at University College London. A plenary lecture and workshop provided a forum for participants to debate topical issues in roundtable discussions with industry and academic experts from institutions such as Genzyme, Janssen, Novo Nordisk, Pfizer, Merck, GE Healthcare and University College London. The aim of these particular sessions was to understand better the challenges and opportunities for continuous bioprocessing in the bioprocessing sector.

  17. Perceptions of High Achieving African American/Black 10th Graders from a Low Socioeconomic Community Regarding Health Scientists and Desired Careers

    PubMed Central

    Boekeloo, Bradley; Randolph, Suzanne; Timmons-Brown, Stephanie; Wang, Min Qi

    2014-01-01

    Measures are needed to assess youth perceptions about health science careers to facilitate research aimed at facilitating youth pursuit of health science. Although the Indiana Instrument provides an established measure of perceptions regarding nursing and ideal careers, we were interested in learning how high achieving 10th graders from relatively low socioeconomic areas who identify as Black/African American (Black) perceive health science and ideal careers. The Indiana Instrument was modified, administered to 90 youth of interest, and psychometrically analyzed. Reliable subscales were identified that may facilitate parsimonious, theoretical, and reliable study of youth decision-making regarding health science careers. Such research may help to develop and evaluate strategies for increasing the number of minority health scientists. PMID:25194058

  18. IBC's 23rd Annual Antibody Engineering, 10th Annual Antibody Therapeutics international conferences and the 2012 Annual Meeting of The Antibody Society: December 3-6, 2012, San Diego, CA.

    PubMed

    Klöhn, Peter-Christian; Wuellner, Ulrich; Zizlsperger, Nora; Zhou, Yu; Tavares, Daniel; Berger, Sven; Zettlitz, Kirstin A; Proetzel, Gabriele; Yong, May; Begent, Richard H J; Reichert, Janice M

    2013-01-01

    The 23rd Annual Antibody Engineering, 10th Annual Antibody Therapeutics international conferences, and the 2012 Annual Meeting of The Antibody Society, organized by IBC Life Sciences with contributions from The Antibody Society and two Scientific Advisory Boards, were held December 3-6, 2012 in San Diego, CA. The meeting drew over 800 participants who attended sessions on a wide variety of topics relevant to antibody research and development. As a prelude to the main events, a pre-conference workshop held on December 2, 2012 focused on intellectual property issues that impact antibody engineering. The Antibody Engineering Conference was composed of six sessions held December 3-5, 2012: (1) From Receptor Biology to Therapy; (2) Antibodies in a Complex Environment; (3) Antibody Targeted CNS Therapy: Beyond the Blood Brain Barrier; (4) Deep Sequencing in B Cell Biology and Antibody Libraries; (5) Systems Medicine in the Development of Antibody Therapies/Systematic Validation of Novel Antibody Targets; and (6) Antibody Activity and Animal Models. The Antibody Therapeutics conference comprised four sessions held December 4-5, 2012: (1) Clinical and Preclinical Updates of Antibody-Drug Conjugates; (2) Multifunctional Antibodies and Antibody Combinations: Clinical Focus; (3) Development Status of Immunomodulatory Therapeutic Antibodies; and (4) Modulating the Half-Life of Antibody Therapeutics. The Antibody Society's special session on applications for recording and sharing data based on GIATE was held on December 5, 2012, and the conferences concluded with two combined sessions on December 5-6, 2012: (1) Development Status of Early Stage Therapeutic Antibodies; and (2) Immunomodulatory Antibodies for Cancer Therapy.

  19. Developing and Evaluating an Eighth Grade Curriculum Unit That Links Foundational Chemistry to Biological Growth: Changing the Research-Based Curriculum

    ERIC Educational Resources Information Center

    Kruse, Rebecca; Howes, Elaine V.; Carlson, Janet; Roth, Kathleen; Bourdelat-Parks, Brooke; Roseman, Jo Ellen; Herrmann-Abell, Cari F.; Flanagan, Jean C.

    2013-01-01

    Much of modern biology has become increasingly chemical in character. Not surprisingly, students often have trouble understanding key ideas in biology because they lack foundational chemistry ideas. AAAS and BSCS are collaborating to develop and study a curriculum unit that supports students' ability to explain a variety of biological processes…

  20. Developing and Evaluating an Eighth Grade Curriculum Unit That Links Foundational Chemistry to Biological Growth: Using Student Measures to Evaluate the Promise of the Intervention

    ERIC Educational Resources Information Center

    Herrmann-Abell, Cari F.; Flanagan, Jean C.; Roseman, Jo Ellen

    2013-01-01

    Students often have trouble understanding key biology ideas, in part because they lack an understanding of foundational chemistry ideas. AAAS [American Association for the Advancement of Science] is collaborating with BSCS [Biological Sciences Curriculum Study] in the development of a curriculum unit that connects core chemistry and biology ideas…

  1. Taking Dual Enrollment Deeper: Supports for the "Forgotten Middle" in a Tenth Grade Classroom

    ERIC Educational Resources Information Center

    Leonard, Jack

    2010-01-01

    This qualitative research case study examined the supports required for 31 academically average 10th grade students to succeed on three dual enrollment college courses. Conceptually, support was a team effort, with contributions considered from administrators, faculty, parents and students. The paper documents support contributions from all four…

  2. Current research in nuclear medicine and molecular imaging in Italy: highlights of the 10th National Congress of the Italian Association of Nuclear Medicine and Molecular Imaging.

    PubMed

    Cuocolo, A

    2011-06-01

    The 10th National Congress of the Italian Association of Nuclear Medicine and Molecular Imaging (AIMN) took place in Rimini on March 18-21, 2011 under the chairmanship of Professor Stefano Fanti. The program was of excellent quality and put a further step for the settlement of the standardized AIMN congress structure. A large industrial exhibition demonstrated the latest technological innovations and developments within the field. The congress was a great success with more than 1100 total participants and more than 360 abstracts received. Of these, 40 abstracts were accepted for oral and 285 for poster presentations. The original investigations presented were related to different areas of nuclear medicine and molecular imaging, with particular focus on advances in instrumentation and data processing, progress in radiochemistry and pharmacy, novel diagnostics and therapeutics, and new insights in well established areas of clinical application, such as oncology, cardiology, neurology, psychiatry, endocrinology, paediatrics, and infection and inflammation. Noteworthy, several presentations at this congress, focusing on quantitative interpretation of the imaging data and on pragmatic endpoints, such as adverse outcomes, identified when nuclear medicine procedures achieved clinical effectiveness for patient care and patient management and further demonstrated that nuclear medicine plays a crucial role in the contemporary medical scenario. This highlights lecture is only a brief summary of the large amount of data presented and discussed, which can be found in much greater detail in the congress abstract book, published as volume 55, supplement 1 of the Q J Nucl Med Mol Imaging in April 2011.

  3. Comparison of Dawn and Dusk Precipitating Electron Energy Populations Shortly After the Initial Shock for the January 10th, 1997 Magnetic Cloud

    NASA Technical Reports Server (NTRS)

    Spann, J.; Germany, G.; Swift, W.; Parks, G.; Brittnacher, M.; Elsen, R.

    1997-01-01

    The observed precipitating electron energy between 0130 UT and 0400 UT of January 10 th, 1997, indicates that there is a more energetic precipitating electron population that appears in the auroral oval at 1800-2200 UT at 030) UT. This increase in energy occurs after the initial shock of the magnetic cloud reaches the Earth (0114 UT) and after faint but dynamic polar cap precipitation has been cleared out. The more energetic population is observed to remain rather constant in MLT through the onset of auroral activity (0330 UT) and to the end of the Polar spacecraft apogee pass. Data from the Ultraviolet Imager LBH long and LBH short images are used to quantify the average energy of the precipitating auroral electrons. The Wind spacecraft located about 100 RE upstream monitored the IMF and plasma parameters during the passing of the cloud. The affects of oblique angle viewing are included in the analysis. Suggestions as to the source of this hot electron population will be presented.

  4. The 10th GCC Closed Forum: rejected data, GCP in bioanalysis, extract stability, BAV, processed batch acceptance, matrix stability, critical reagents, ELN and data integrity and counteracting fraud.

    PubMed

    Cape, Stephanie; Islam, Rafiq; Nehls, Corey; Allinson, John; Safavi, Afshin; Bennett, Patrick; Hulse, James; Beaver, Chris; Khan, Masood; Karnik, Shane; Caturla, Maria Cruz; Lowes, Steve; Iordachescu, Adriana; Silvestro, Luigi; Tayyem, Rabab; Shoup, Ron; Mowery, Stephanie; Keyhani, Anahita; Wakefield, Andrea; Li, Yinghe; Zimmer, Jennifer; Torres, Javier; Couerbe, Philippe; Khadang, Ardeshir; Bourdage, James; Hughes, Nicola; Awaiye, Kayode; Matthews, Brent; Fatmi, Saadya; Johnson, Rhonda; Satterwhite, Christina; Yu, Mathilde; Lin, Jenny; Cojocaru, Laura; Fiscella, Michele; Thomas, Eric; Kurylak, Kai; Kamerud, John; Lin, Zhongping John; Garofolo, Wei; Savoie, Natasha; Buonarati, Mike; Boudreau, Nadine; Williard, Clark; Liu, Yansheng; Warrino, Dominic; Kale, Prashant; Adcock, Neil; Shekar, Radha; O'Connor, Edward; Ritzen, Hanna; Sanchez, Christina; Hayes, Roger; Bouhajib, Mohammed; Savu, Simona Rizea; Stouffer, Bruce; Tabler, Edward; Tu, Jing; Briscoe, Chad; der Strate, Barry van; Rhyne, Paul; Conliffe, Phyllis; DuBey, Ira; Yamashita, Jim; Tang, Daniel; Groeber, Elizabeth; Vija, Jenifer; Malone, Michele; Osman, Mohamed

    2017-03-24

    The 10th Global CRO Council (GCC) Closed Forum was held in Orlando, FL, USA on 18 April 2016. In attendance were decision makers from international CRO member companies offering bioanalytical services. The objective of this meeting was for GCC members to meet and discuss scientific and regulatory issues specific to bioanalysis. The issues discussed at this closed forum included reporting data from failed method validation runs, GCP for clinical sample bioanalysis, extracted sample stability, biomarker assay validation, processed batch acceptance criteria, electronic laboratory notebooks and data integrity, Health Canada's Notice regarding replicates in matrix stability evaluations, critical reagents and regulatory approaches to counteract fraud. In order to obtain the pharma perspectives on some of these topics, the first joint CRO-Pharma Scientific Interchange Meeting was held on 12 November 2016, in Denver, Colorado, USA. The five topics discussed at this Interchange meeting were reporting data from failed method validation runs, GCP for clinical sample bioanalysis, extracted sample stability, processed batch acceptance criteria and electronic laboratory notebooks and data integrity. The conclusions from the discussions of these topics at both meetings are included in this report.

  5. The Royal Book by Haly Abbas from the 10th century: one of the earliest illustrations of the surgical approach to skull fractures.

    PubMed

    Aciduman, Ahmet; Arda, Berna; Kahya, Esin; Belen, Deniz

    2010-12-01

    Haly Abbas was one of the pioneering physicians and surgeons of the Eastern world in the 10th century who influenced the Western world by his monumental work, The Royal Book. The book was first partly translated into Latin by Constantinus Africanus in the 11th century without citing the author's name. Haly Abbas was recognized in Europe after full translation of The Royal Book by Stephen of Antioch in 1127. The Royal Book has been accepted as an early source of jerrah-names (surgical books) in the Eastern world. The chapters regarding cranial fractures in Haly Abbas' work include unique management strategies for his period with essential quotations from Paul of Aegina's work Epitome. Both authors preferred free bone flap craniotomy in cranial fractures. Although Paul of Aegina, a Byzantine physician and surgeon, was a connection between ancient traditions and Islamic interpretation, Haly Abbas seemed to play a bridging role between the Roman-Byzantine and the School of Salerno in Europe.

  6. Evaluation of elemental status of ancient human bone samples from Northeastern Hungary dated to the 10th century AD by XRF

    NASA Astrophysics Data System (ADS)

    János, I.; Szathmáry, L.; Nádas, E.; Béni, A.; Dinya, Z.; Máthé, E.

    2011-11-01

    The present study is a multielemental analysis of bone samples belonging to skeletal individuals originating from two contemporaneous (10th century AD) cemeteries (Tiszavasvári Nagy-Gyepáros and Nagycserkesz-Nádasibokor sites) in Northeastern Hungary, using the XRF analytical technique. Emitted X-rays were detected in order to determine the elemental composition of bones and to appreciate the possible influence of the burial environment on the elemental content of the human skeletal remains. Lumbar vertebral bodies were used for analysis. Applying the ED(P)XRF technique concentration of the following elements were determined: P, Ca, K, Na, Mg, Al, Cl, Mn, Fe, Zn, Br and Sr. The results indicated post mortem mineral exchange between the burial environment (soil) and bones (e.g. the enhanced levels of Fe and Mn) and referred to diagenetic alteration processes during burials. However, other elements such as Zn, Sr and Br seemed to be accumulated during the past life. On the basis of statistical analysis, clear separation could not be observed between the two excavation sites in their bone elemental concentrations which denoted similar diagenetic influences, environmental conditions. The enhanced levels of Sr might be connected with the past dietary habits, especially consumption of plant food.

  7. An INTEGRAL view of the high-energy sky (the first 10 years) - 9th INTEGRAL Workshop and celebration of the 10th anniversary of the launch

    NASA Astrophysics Data System (ADS)

    The 9th INTEGRAL workshop "An INTEGRAL view of the high-energy sky (the first 10 years)" took place from 15 to 19 October 2012 in Paris, Bibliothèque Nationale de France (Bibliothèque François Mitterrand). The workshop was sponsored by ESA, CNES and other French and European Institutions. During this week, and in particular on 17 October 2012, we celebrated the 10th anniversary of the launch of the INTEGRAL mission. The main goal of this workshop was to present and to discuss (via invited and contributed talks and posters) latest results obtained in the field of high-energy astrophysics using the International Gamma-Ray Astrophysics Laboratory INTEGRAL, as well as results from observations from other ground- and space-based high-energy observatories and from associated multi-wavelength campaigns. Contributions to the workshop covered the following scientific topics: - X-ray binaries (IGR sources, black holes, neutron stars, white dwarfs) - Isolated neutron stars (gamma-ray pulsars, magnetars) - Nucleo-synthesis (SNe, Novae, SNRs, ISM) and gamma-ray lines (511 keV) - Galactic diffuse continuum emission (including Galactic Ridge) - Massive black holes in AGNs, elliptical galaxies, nucleus of the Galaxy - Sky surveys, source populations and unidentified gamma-ray sources - Cosmic background radiation - Gamma-ray bursts - Coordinated observations with other ground- and space-based observatories - Science data processing and analysis (posters only) - Future instruments and missions (posters only)

  8. Comparison of Dawn and Dusk Precipitating Electron Energy Populations Shortly After the Initial Shock for the January 10th, 1997 Magnetic Cloud

    NASA Technical Reports Server (NTRS)

    Spann, J.; Germany, G.; Swift, W.; Parks, G.; Brittnacher, M.; Elsen, R.

    1997-01-01

    The observed precipitating electron energy between 0130 UT and 0400 UT of January 10 th, 1997, indicates that there is a more energetic precipitating electron population that appears in the auroral oval at 1800-2200 UT at 030) UT. This increase in energy occurs after the initial shock of the magnetic cloud reaches the Earth (0114 UT) and after faint but dynamic polar cap precipitation has been cleared out. The more energetic population is observed to remain rather constant in MLT through the onset of auroral activity (0330 UT) and to the end of the Polar spacecraft apogee pass. Data from the Ultraviolet Imager LBH long and LBH short images are used to quantify the average energy of the precipitating auroral electrons. The Wind spacecraft located about 100 RE upstream monitored the IMF and plasma parameters during the passing of the cloud. The affects of oblique angle viewing are included in the analysis. Suggestions as to the source of this hot electron population will be presented.

  9. Incorporating Ninth-Grade PSAT/NMSQT® Scores into AP Potential™ Predictions for AP® European History and AP World History. Statistical Report 2014-1

    ERIC Educational Resources Information Center

    Zhang, Xiuyuan; Patel, Priyank; Ewing, Maureen

    2015-01-01

    Historically, AP Potential™ correlations and expectancy tables have been based on 10th-and 11th-grade PSAT/NMSQT® examinees and 11th-and 12th-grade AP® examinees for all subjects (Zhang, Patel, & Ewing,2014; Ewing, Camara, & Millsap, 2006; Camara & Millsap, 1998). However, a large number of students take AP European History and AP…

  10. The high-grade (WHO G3) pancreatic neuroendocrine tumor category is morphologically and biologically heterogenous and includes both well differentiated and poorly differentiated neoplasms.

    PubMed

    Basturk, Olca; Yang, Zhaohai; Tang, Laura H; Hruban, Ralph H; Adsay, Volkan; McCall, Chad M; Krasinskas, Alyssa M; Jang, Kee-Taek; Frankel, Wendy L; Balci, Serdar; Sigel, Carlie; Klimstra, David S

    2015-05-01

    The 2010 World Health Organization (WHO) classification recommends that pancreatic neuroendocrine tumors (PanNETs) be graded on the basis of the mitotic rate and Ki67 index, with grade 2 (G2) PanNETs defined as having a mitotic rate of 2 to 20 mitotic figures/10 high-power fields or a Ki67 index of 3% to 20%. Grade 3 (G3) pancreatic neuroendocrine carcinoma (NEC) is defined as having >20 mitotic figures/10 high-power fields or a Ki67 index of >20%. However, some PanNETs show discordance between the mitotic rate and Ki67 index, usually having a Ki67 index in the G3 range but a mitotic rate suggesting G2, prompting us to examine the clinical significance of the Ki67 index in a large series of clinically well-characterized mitotic G2 PanNETs. Mitotic G2 well differentiated PanNETs, surgically resected at our institutions were reviewed. Of those, 19 cases had a Ki67>20% and were selected as the study group of grade-discordant (mitotic count G2/Ki67 index G3) PanNETs. For comparison, 53 grade-concordant (both mitotic count and Ki67 index G2) PanNETs matched for presenting stage with the discordant group as well as 43 morphologically poorly differentiated (either small cell or large cell type) pancreatic NECs were also included. The percentage of Ki67-positive neoplastic cells was quantified by manual counting of at least 500 cells on printed photographic images of "hot spots." The mean Ki67 index for grade-concordant and grade-discordant PanNETs and poorly differentiated NECs were 8.1% (range, 3% to 20%), 40% (range, 24% to 80%), and 70% (range, 40% to 98%), respectively. Overall, patients with grade-discordant PanNETs had significantly longer survival time compared with the patients with poorly differentiated NEC (median survival of 54.1 vs. 11 mo and 5 y survival of 29.1% vs. 16.1%; P=0.002). In addition, the survival time of the patients with grade-discordant PanNETs was shorter than that of the patients with grade-concordant PanNETs (median survival of 67.8 mo and 5

  11. Marine Biology: Self-Directed Study Units for Grades K-3 and 4-8, Gifted. Easily Adapted for Regular Classroom Use. Zephyr Learning Project.

    ERIC Educational Resources Information Center

    Tanner, Joey

    Originally designed for the gifted student, these reproducible marine biology units emphasize the use of higher order thinking skills and are appropriate for use in any classroom. Interdisciplinary in content, the units provide a broad view of marine biology. Included are two complete units, one created for the upper elementary gifted student and…

  12. Marine Biology: Self-Directed Study Units for Grades K-3 and 4-8, Gifted. Easily Adapted for Regular Classroom Use. Zephyr Learning Project.

    ERIC Educational Resources Information Center

    Tanner, Joey

    Originally designed for the gifted student, these reproducible marine biology units emphasize the use of higher order thinking skills and are appropriate for use in any classroom. Interdisciplinary in content, the units provide a broad view of marine biology. Included are two complete units, one created for the upper elementary gifted student and…

  13. Conceptual Change in Students' Molecular Biology Education: Tilting at Windmills?

    ERIC Educational Resources Information Center

    Franke, Gaitano; Bogner, Franz X.

    2011-01-01

    A hands-on instructional approach with medium-achieving 10th-grade students (N = 294) successfully demonstrated the achievement of a conceptual change. Two teaching variations were applied (I-1, I-2), both dealing with a hands-on gene technology lesson in an out-of-school laboratory. I-2 additionally confronted the participants with alternative…

  14. Conceptual Change in Students' Molecular Biology Education: Tilting at Windmills?

    ERIC Educational Resources Information Center

    Franke, Gaitano; Bogner, Franz X.

    2011-01-01

    A hands-on instructional approach with medium-achieving 10th-grade students (N = 294) successfully demonstrated the achievement of a conceptual change. Two teaching variations were applied (I-1, I-2), both dealing with a hands-on gene technology lesson in an out-of-school laboratory. I-2 additionally confronted the participants with alternative…

  15. Using Self-Assembled Monolayers to Model Cell Adhesion to the 9th and 10th Type III Domains of Fibronectin†

    PubMed Central

    2009-01-01

    Most mammalian cells must adhere to the extracellular matrix (ECM) to maintain proper growth and development. Fibronectin is a predominant ECM protein that engages integrin cell receptors through its Arg-Gly-Asp (RGD) and Pro-His-Ser-Arg-Asn (PHSRN) peptide binding sites. To study the roles these motifs play in cell adhesion, proteins derived from the 9th (containing PHSRN) and 10th (containing RGD) type III fibronectin domains were engineered to be in frame with cutinase, a serine esterase that forms a site-specific, covalent adduct with phosphonate ligands. Self-assembled monolayers (SAMs) that present phosphonate ligands against an inert background of tri(ethylene glycol) groups were used as model substrates to immobilize the cutinase-fibronectin fusion proteins. Baby hamster kidney cells attached efficiently to all protein surfaces, but only spread efficiently on protein monolayers containing the RGD peptide. Cells on RGD-containing protein surfaces also displayed defined focal adhesions and organized cytoskeletal structures compared to cells on PHSRN-presenting surfaces. Cell attachment and spreading were shown to be unaffected by the presence of PHSRN when compared to RGD alone on SAMs presenting higher densities of protein, but PHSRN supported an increased efficiency in cell attachment when presented at low protein densities with RGD. Treatment of suspended cells with soluble RGD or PHSRN peptides revealed that both peptides were able to inhibit the attachment of FN10 surfaces. These results support a model wherein PHSRN and RGD bind competitively to integrins―rather than a two-point synergistic interaction―and the presence of PHSRN serves to increase the density of ligand on the substrate and therefore enhance the sticking probability of cells during attachment. PMID:20560553

  16. Comparison of problematic behaviours of 10th and 11th year Southern English adolescents. Part 2: Current drink, drug and sexual activity of children with smoking parents.

    PubMed

    Cox, Malcolm; Pritchard, Colin

    2007-01-01

    To determine parental and school influences upon the behaviour and attitudes of adolescents of smoking versus non-smoking parents and of those "liking and disliking" school. Utilising a self-administered confidential standardised questionnaire, a representative sample of Southern English 10th and 11th year secondary school pupils was obtained. Current drink, drug and sexual behaviour were explored and data on adolescents whose parents smoked was extrapolated and compared against adolescents of non-smoking parents. Pupils reporting "liking school" were compared against those "not liking school" and all results statistically analysed. There were 17% smoking mothers [SM] and 23% smoking fathers [SF]. The focus is upon students of SF whose adolescents are significantly more often engaged in substance misuse (38-18%), drinking in pubs (31%-15%), binge drinking (32%-18%), and under-age sexual activity (27%-14%) plus smoking (51%-32%), truanting (43%-23%), vandalism (32%-22%) and stealing (19%-11%). SM students had higher incidence of sexual behaviour (33%-13%) and unprotected sex (21%-6%). Students of smoking parents were less well informed and had significantly more negative attitudes about social behaviour and responsibility. "Liking school" was associated to significantly lower rates of problematic behaviour, which predominately was not related to the social background of the pupils. The smoking father criteria carries a social class bias, nonetheless these parents need to be aware of the particular behaviour of their children and their increased risk. SF do not "cause" the behaviour rather it reflects something of the nature of the adolescent's relationship to parents, school and society.

  17. Fetal Sex Determination using Non-Invasive Method of Cell-free Fetal DNA in Maternal Plasma of Pregnant Women During 6th– 10th Weeks of Gestation

    PubMed Central

    Zargari, Maryam; Sadeghi, Mohammad Reza; Shahhosseiny, Mohammad Hassan; Kamali, Koroush; Saliminejad, Kyomars; Esmaeilzadeh, Ali; Khorshid, Hamid Reza Khorram

    2011-01-01

    In previous years, identification of fetal cells in maternal blood circulation has caused a new revolution in non-invasive method of prenatal diagnosis. Low number of fetal cells in maternal blood and long-term survival after pregnancy limited the use of fetal cells in diagnostic and clinical applications. With the discovery of cell-free fetal DNA (cffDNA) in plasma of pregnant women, access to genetic material of the fetus had become possible to determine early gender of a fetus in pregnancies at the risk of X-linked genetic conditions instead of applying invasive methods. Therefore in this study, the probability of detecting sequences on the Y chromosome in pregnant women has been evaluated to identify the gender of fetuses. Peripheral blood samples were obtained from 80 pregnant women at 6th to 10th weeks of gestation and then the fetal DNA was extracted from the plasma. Nested PCR was applied to detect the sequences of single copy SRY gene and multi copy DYS14 & DAZ genes on the Y chromosome of the male fetuses. At the end, all the obtained results were compared with the actual gender of the newborns. In 40 out of 42 born baby boys, the relevant gene sequences were identified and 95.2% sensitivity was obtained. Non-invasive early determination of fetal gender using cffDNA could be employed as a pre-test in the shortest possible time and with a high reliability to avoid applying invasive methods in cases where a fetus is at the risk of genetic diseases. PMID:23407464

  18. Positive predictive value of the International Classification of Diseases, 10th edition diagnosis codes for anemia caused by bleeding in the Danish National Registry of Patients.

    PubMed

    Zalfani, Jihen; Frøslev, Trine; Olsen, Morten; Ben Ghezala, Inès; Gammelager, Henrik; Arendt, Johan Fb; Erichsen, Rune

    2012-01-01

    Valid data on anemia caused by bleeding are needed for epidemiological research and monitoring health care. The Danish National Registry of Patients (DNRP) is a nationwide medical database with information on all Danish residents' hospital history. We aimed to assess the positive predictive value (PPV) of the diagnostic coding of anemia caused by bleeding in the DNRP. In the DNRP, we identified all patients with International Classification of Disease, 10th edition codes for anemia caused by bleeding (acute: D50.0; chronic: D62.6) at three Danish hospitals from 2000 through 2009. For these patients we computed the PPV using hemoglobin level data, from Aarhus University laboratory database, as reference standard. Anemia was defined by a hemoglobin level less than 7.0 mmol/L for women and less than 8.0 mmol/L for men. We identified 3391 patients in the DNRP with a diagnosis of anemia caused by bleeding. The overall PPV was 95.4% (95% confidence interval [CI]: 94.6%-96.0%). The PPV was 97.6% (95% CI: 96.6%-98.3%) for men and 94.0% (95% CI: 92.9%-94.9%) for women, and the PPV increased with age at diagnosis. The PPV varied according to type of discharging departments, from 89.2% (95% CI: 83.4%-93.4%) in gynecology to 96.8% (95% CI: 94.9%-98.2%) in surgery, and was lower for outpatients compared with inpatients. We found a high PPV of the coding for anemia caused by bleeding in the DNRP. The registry is a valid source of data on anemia caused by bleeding for various purposes including research and monitoring health care.

  19. Early fetal gender determination using real-time PCR analysis of cell-free fetal DNA during 6th-10th weeks of gestation.

    PubMed

    Khorram Khorshid, Hamid Reza; Zargari, Maryam; Sadeghi, Mohammad Reza; Edallatkhah, Haleh; Shahhosseiny, Mohammad Hassan; Kamali, Koorosh

    2013-05-07

    Nowadays, new advances in the use of cell free fetal DNA (cffDNA) in maternal plasma of pregnant women has provided the possibility of applying cffDNA in prenatal diagnosis as a non-invasive method. In contrary to the risks of invasive methods that affect both mother and fetus, applying cffDNA is proven to be highly effective with lower risk. One of the applications of prenatal diagnosis is fetal gender determination, which is important in fetuses at risk of sex-linked genetic diseases. In such cases by obtaining the basic information of the gender, necessary time management can be taken in therapeutic to significantly reduce the necessity of applying the invasive methods. Therefore in this study, the probability of detecting sequences on the human Y-chromosome in pregnant women has been evaluated to identify the gender of fetuses. Peripheral blood samples were obtained from 80 pregnant women with gestational age between 6th to 10th weeks and the fetal DNA was extracted from the plasma. Identification of SRY, DYS14 & DAZ sequences, which are not presentin the maternal genome, was performed using Real-Time PCR. All the obtained results were compared with the actual gender of the newborns to calculate the test accuracy. Considerable 97.3% sensitivity and 97.3% specificity were obtained in fetal gender determination which is significant in the first trimester of pregnancy. Only in one case, false positive result was obtained. Using non-invasive method of cffDNAs in the shortest time possible, as well as avoiding invasive tests for early determination of fetal gender, provides the opportunity of deciding and employing early treatment for fetuses at risk of genetic diseases.

  20. CURRICULUM GUIDES IN BIOLOGY--LIFE SCIENCE, BIOLOGY--GENERAL, AND BIOLOGY--ADVANCED PLACEMENT.

    ERIC Educational Resources Information Center

    WESNER, GORDON E.; AND OTHERS

    "BIOLOGY--LIFE SCIENCE" IS GEARED TO STUDENTS OF AVERAGE ABILITY, "BIOLOGY--GENERAL" IS OFFERED FOR THOSE WHO HAVE COMPLETED "BIOLOGY--GENERAL" IN GRADES 10 OR 11 AND WHO WISH TO PURSUE COLLEGE LEVEL STUDY WHILE IN GRADE 12. THE NONTECHNICAL "BIOLOGY--LIFE SCIENCE" HAS OUTLINED UNITS IN ORGANIZING FOOD,…

  1. The Federal Forecasters Conference--1999. Papers and Proceedings (10th, Washington, DC, June 24, 1999) and Selected Papers from the International Symposium on Forecasting (19th, Washington, DC, June 27-30, 1999).

    ERIC Educational Resources Information Center

    Gerald, Debra E., Ed.

    The 10th Federal Forecasters Conference provided a forum where 127 forecasters from different federal agencies and other organizations met to discuss various aspects of the conference's theme, "Forecasting in the New Millennium," that could be applied in the United States. A keynote address, "Procedures for Auditing Federal Forecasts" by J. Scott…

  2. The Internet Time Lag: Anticipating the Long-Term Consequences of the Information Revolution. A Report of the Annual Aspen Institute Roundtable on Information Technology (10th, Aspen, Colorado, August 2-5, 2001).

    ERIC Educational Resources Information Center

    Schwartz, Evan I.

    This is a report of the 10th annual Aspen Institute Roundtable on Information Technology (Aspen, Colorado, August 2-5, 2001). Participants were also polled after the events of September 11, and these comments have been integrated into the report. The mission of this report is to take a wide-ranging look at the trends that are defining the next new…

  3. Validity of the International Classification of Diseases 10th revision code for hyperkalaemia in elderly patients at presentation to an emergency department and at hospital admission

    PubMed Central

    Fleet, Jamie L; Shariff, Salimah Z; Gandhi, Sonja; Weir, Matthew A; Jain, Arsh K; Garg, Amit X

    2012-01-01

    Objectives Evaluate the validity of the International Classification of Diseases, 10th revision (ICD-10) code for hyperkalaemia (E87.5) in two settings: at presentation to an emergency department and at hospital admission. Design Population-based validation study. Setting 12 hospitals in Southwestern Ontario, Canada, from 2003 to 2010. Participants Elderly patients with serum potassium values at presentation to an emergency department (n=64 579) and at hospital admission (n=64 497). Primary outcome Sensitivity, specificity, positive-predictive value and negative-predictive value. Serum potassium values in patients with and without a hyperkalaemia code (code positive and code negative, respectively). Results The sensitivity of the best-performing ICD-10 coding algorithm for hyperkalaemia (defined by serum potassium >5.5 mmol/l) was 14.1% (95% CI 12.5% to 15.9%) at presentation to an emergency department and 14.6% (95% CI 13.3% to 16.1%) at hospital admission. Both specificities were greater than 99%. In the two settings, the positive-predictive values were 83.2% (95% CI 78.4% to 87.1%) and 62.0% (95% CI 57.9% to 66.0%), while the negative-predictive values were 97.8% (95% CI 97.6% to 97.9%) and 96.9% (95% CI 96.8% to 97.1%). In patients who were code positive for hyperkalaemia, median (IQR) serum potassium values were 6.1 (5.7 to 6.8) mmol/l at presentation to an emergency department and 6.0 (5.1 to 6.7) mmol/l at hospital admission. For code-negative patients median (IQR) serum potassium values were 4.0 (3.7 to 4.4) mmol/l and 4.1 (3.8 to 4.5) mmol/l in each of the two settings, respectively. Conclusions Patients with hospital encounters who were ICD-10 E87.5 hyperkalaemia code positive and negative had distinct higher and lower serum potassium values, respectively. However, due to very low sensitivity, the incidence of hyperkalaemia is underestimated. PMID:23274674

  4. Antimicrobial assays of three native British plants used in Anglo-Saxon medicine for wound healing formulations in 10th century England.

    PubMed

    Watkins, Frances; Pendry, Barbara; Sanchez-Medina, Alberto; Corcoran, Olivia

    2012-11-21

    Three important Anglo-Saxon medical texts from the 10th century contain herbal formulations for over 250 plant species, many of which have yet to be evaluated for their phytochemical and/or pharmacological properties. In this study, three native British plants were selected to determine antimicrobial activity relevant to treating bacterial infections and wounds. Several preparations of Agrimonia eupatoria L., Arctium minus (Hill) Bernh. and Potentilla reptans L. were screened for antimicrobial activity against selected Gram-positive and Gram-negative bacteria of relevance in wounds using a 96 well plate microdilution method (200, 40 and 8μg/mL). Minimum inhibitory concentration (MIC) values were determined for the most potent extracts from 2 to 0.004mg/mL and HPLC chromatograms examined by multivariate analysis. Principle components analysis (PCA) was used to identify chemical differences between antimicrobial activity of the crude extracts. The HPLC-PCA score plots attributed HPLC peaks to the antimicrobial activity with all three plants inhibiting growth of Gram-positive Staphylococcus aureus by >50% in four or more extracts. The first two principal components (PC) represented 87% of the dataset variance. The P. reptans 75% ethanol root extract exhibited the greatest range of activity with MIC(50) at 31.25μg/mL to a total MIC that was also the minimum bactericidal concentration (MBC) at 1mg/mL. Additionally, the root of P. reptans, inhibited growth of Gram-negative bacteria with the 75% ethanol extract having a MIC(50) at 1mg/mL against Pseudomonas aeruginosa and the decoction a MIC(50) at 3.9μg/mL against Escherichia coli. The results indicate a moderate antimicrobial activity against common wound pathogens for P. reptans suggesting it may well have been effective for treating wound and bacterial infections. Anglo-Saxon literary heritage may provide a credible basis for researching new antimicrobial formulations. Our approach encompassing advanced analytical

  5. Standing adult human phantoms based on 10th, 50th and 90th mass and height percentiles of male and female Caucasian populations

    NASA Astrophysics Data System (ADS)

    Cassola, V. F.; Milian, F. M.; Kramer, R.; de Oliveira Lira, C. A. B.; Khoury, H. J.

    2011-07-01

    Computational anthropomorphic human phantoms are useful tools developed for the calculation of absorbed or equivalent dose to radiosensitive organs and tissues of the human body. The problem is, however, that, strictly speaking, the results can be applied only to a person who has the same anatomy as the phantom, while for a person with different body mass and/or standing height the data could be wrong. In order to improve this situation for many areas in radiological protection, this study developed 18 anthropometric standing adult human phantoms, nine models per gender, as a function of the 10th, 50th and 90th mass and height percentiles of Caucasian populations. The anthropometric target parameters for body mass, standing height and other body measures were extracted from PeopleSize, a well-known software package used in the area of ergonomics. The phantoms were developed based on the assumption of a constant body-mass index for a given mass percentile and for different heights. For a given height, increase or decrease of body mass was considered to reflect mainly the change of subcutaneous adipose tissue mass, i.e. that organ masses were not changed. Organ mass scaling as a function of height was based on information extracted from autopsy data. The methods used here were compared with those used in other studies, anatomically as well as dosimetrically. For external exposure, the results show that equivalent dose decreases with increasing body mass for organs and tissues located below the subcutaneous adipose tissue layer, such as liver, colon, stomach, etc, while for organs located at the surface, such as breasts, testes and skin, the equivalent dose increases or remains constant with increasing body mass due to weak attenuation and more scatter radiation caused by the increasing adipose tissue mass. Changes of standing height have little influence on the equivalent dose to organs and tissues from external exposure. Specific absorbed fractions (SAFs) have also

  6. IBC’s 23rd Antibody Engineering and 10th Antibody Therapeutics Conferences and the Annual Meeting of The Antibody Society

    PubMed Central

    Marquardt, John; Begent, Richard H.J.; Chester, Kerry; Huston, James S.; Bradbury, Andrew; Scott, Jamie K.; Thorpe, Philip E.; Veldman, Trudi; Reichert, Janice M.; Weiner, Louis M.

    2012-01-01

    Now in its 23rd and 10th years, respectively, the Antibody Engineering and Antibody Therapeutics conferences are the Annual Meeting of The Antibody Society. The scientific program covers the full spectrum of challenges in antibody research and development from basic science through clinical development. In this preview of the conferences, the chairs provide their thoughts on sessions that will allow participants to track emerging trends in (1) the development of next-generation immunomodulatory antibodies; (2) the complexity of the environment in which antibodies must function; (3) antibody-targeted central nervous system (CNS) therapies that cross the blood brain barrier; (4) the extension of antibody half-life for improved efficacy and pharmacokinetics (PK)/pharmacodynamics (PD); and (5) the application of next generation DNA sequencing to accelerate antibody research. A pre-conference workshop on Sunday, December 2, 2012 will update participants on recent intellectual property (IP) law changes that affect antibody research, including biosimilar legislation, the America Invents Act and recent court cases. Keynote presentations will be given by Andreas Plückthun (University of Zürich), who will speak on engineering receptor ligands with powerful cellular responses; Gregory Friberg (Amgen Inc.), who will provide clinical updates of bispecific antibodies; James D. Marks (University of California, San Francisco), who will discuss a systems approach to generating tumor targeting antibodies; Dario Neri (Swiss Federal Institute of Technology Zürich), who will speak about delivering immune modulators at the sites of disease; William M. Pardridge (University of California, Los Angeles), who will discuss delivery across the blood-brain barrier; and Peter Senter (Seattle Genetics, Inc.), who will present his vision for the future of antibody-drug conjugates. For more information on these meetings or to register to attend, please visit www

  7. Validation of the new diagnosis grouping system for pediatric emergency department visits using the International Classification of Diseases, 10th Revision.

    PubMed

    Lee, Jin Hee; Hong, Ki Jeong; Kim, Do Kyun; Kwak, Young Ho; Jang, Hye Young; Kim, Hahn Bom; Noh, Hyun; Park, Jungho; Song, Bongkyu; Jung, Jae Yun

    2013-12-01

    A clinically sensible diagnosis grouping system (DGS) is needed for describing pediatric emergency diagnoses for research, medical resource preparedness, and making national policy for pediatric emergency medical care. The Pediatric Emergency Care Applied Research Network (PECARN) developed the DGS successfully. We developed the modified PECARN DGS based on the different pediatric population of South Korea and validated the system to obtain the accurate and comparable epidemiologic data of pediatric emergent conditions of the selected population. The data source used to develop and validate the modified PECARN DGS was the National Emergency Department Information System of South Korea, which was coded by the International Classification of Diseases, 10th Revision (ICD-10) code system. To develop the modified DGS based on ICD-10 code, we matched the selected ICD-10 codes with those of the PECARN DGS by the General Equivalence Mappings (GEMs). After converting ICD-10 codes to ICD-9 codes by GEMs, we matched ICD-9 codes into PECARN DGS categories using the matrix developed by PECARN group. Lastly, we conducted the expert panel survey using Delphi method for the remaining diagnosis codes that were not matched. A total of 1879 ICD-10 codes were used in development of the modified DGS. After 1078 (57.4%) of 1879 ICD-10 codes were assigned to the modified DGS by GEM and PECARN conversion tools, investigators assigned each of the remaining 801 codes (42.6%) to DGS subgroups by 2 rounds of electronic Delphi surveys. And we assigned the remaining 29 codes (4%) into the modified DGS at the second expert consensus meeting. The modified DGS accounts for 98.7% and 95.2% of diagnoses of the 2008 and 2009 National Emergency Department Information System data set. This modified DGS also exhibited strong construct validity using the concepts of age, sex, site of care, and seasons. This also reflected the 2009 outbreak of H1N1 influenza in Korea. We developed and validated clinically

  8. IBC's 23rd Antibody Engineering and 10th Antibody Therapeutics Conferences and the Annual Meeting of The Antibody Society: December 2-6, 2012, San Diego, CA.

    PubMed

    Marquardt, John; Begent, Richard H J; Chester, Kerry; Huston, James S; Bradbury, Andrew; Scott, Jamie K; Thorpe, Philip E; Veldman, Trudi; Reichert, Janice M; Weiner, Louis M

    2012-01-01

    Now in its 23rd and 10th years, respectively, the Antibody Engineering and Antibody Therapeutics conferences are the Annual Meeting of The Antibody Society. The scientific program covers the full spectrum of challenges in antibody research and development from basic science through clinical development. In this preview of the conferences, the chairs provide their thoughts on sessions that will allow participants to track emerging trends in (1) the development of next-generation immunomodulatory antibodies; (2) the complexity of the environment in which antibodies must function; (3) antibody-targeted central nervous system (CNS) therapies that cross the blood brain barrier; (4) the extension of antibody half-life for improved efficacy and pharmacokinetics (PK)/pharmacodynamics (PD); and (5) the application of next generation DNA sequencing to accelerate antibody research. A pre-conference workshop on Sunday, December 2, 2012 will update participants on recent intellectual property (IP) law changes that affect antibody research, including biosimilar legislation, the America Invents Act and recent court cases. Keynote presentations will be given by Andreas Plückthun (University of Zürich), who will speak on engineering receptor ligands with powerful cellular responses; Gregory Friberg (Amgen Inc.), who will provide clinical updates of bispecific antibodies; James D. Marks (University of California, San Francisco), who will discuss a systems approach to generating tumor targeting antibodies; Dario Neri (Swiss Federal Institute of Technology Zürich), who will speak about delivering immune modulators at the sites of disease; William M. Pardridge (University of California, Los Angeles), who will discuss delivery across the blood-brain barrier; and Peter Senter (Seattle Genetics, Inc.), who will present his vision for the future of antibody-drug conjugates. For more information on these meetings or to register to attend, please visit www

  9. New archeointensity data from French Early Medieval pottery production (6th-10th century AD). Tracing 1500 years of geomagnetic field intensity variations in Western Europe

    NASA Astrophysics Data System (ADS)

    Genevey, Agnès; Gallet, Yves; Jesset, Sébastien; Thébault, Erwan; Bouillon, Jérôme; Lefèvre, Annie; Le Goff, Maxime

    2016-08-01

    Nineteen new archeointensity results were obtained from the analysis of groups of French pottery fragments dated to the Early Middle Ages (6th to 10th centuries AD). They are from several medieval ceramic production sites, excavated mainly in Saran (Central France), and their precise dating was established based on typo-chronological characteristics. Intensity measurements were performed using the Triaxe protocol, which takes into account the effects on the intensity determinations of both thermoremanent magnetization anisotropy and cooling rate. Intensity analyses were also carried out on modern pottery produced at Saran during an experimental firing. The results show very good agreement with the geomagnetic field intensity directly measured inside and around the kiln, thus reasserting the reliability of the Triaxe protocol and the relevance of the quality criteria used. They further demonstrate the potential of the Saran pottery production for archeomagnetism. The new archeointensity results allow a precise and coherent description of the geomagnetic field intensity variations in Western Europe during the Early Medieval period, which was until now poorly documented. They show a significant increase in intensity during the 6th century AD, high intensity values from the 7th to the 9th century, with a minimum of small amplitude at the transition between the 7th and the 8th centuries and finally an important decrease until the beginning of the 11th century. Together with published intensity results available within a radius of 700 km around Paris, the new data were used to compute a master curve of the Western European geomagnetic intensity variations over the past 1500 years. This curve clearly exhibits five intensity maxima: at the transition between the 6th and 7th century AD, at the middle of the 9th century, during the 12th century, in the second part of the 14th century and at the very beginning of the 17th century AD. Some of these peaks are smoothed, or

  10. Standing adult human phantoms based on 10th, 50th and 90th mass and height percentiles of male and female Caucasian populations.

    PubMed

    Cassola, V F; Milian, F M; Kramer, R; de Oliveira Lira, C A B; Khoury, H J

    2011-07-07

    Computational anthropomorphic human phantoms are useful tools developed for the calculation of absorbed or equivalent dose to radiosensitive organs and tissues of the human body. The problem is, however, that, strictly speaking, the results can be applied only to a person who has the same anatomy as the phantom, while for a person with different body mass and/or standing height the data could be wrong. In order to improve this situation for many areas in radiological protection, this study developed 18 anthropometric standing adult human phantoms, nine models per gender, as a function of the 10th, 50th and 90th mass and height percentiles of Caucasian populations. The anthropometric target parameters for body mass, standing height and other body measures were extracted from PeopleSize, a well-known software package used in the area of ergonomics. The phantoms were developed based on the assumption of a constant body-mass index for a given mass percentile and for different heights. For a given height, increase or decrease of body mass was considered to reflect mainly the change of subcutaneous adipose tissue mass, i.e. that organ masses were not changed. Organ mass scaling as a function of height was based on information extracted from autopsy data. The methods used here were compared with those used in other studies, anatomically as well as dosimetrically. For external exposure, the results show that equivalent dose decreases with increasing body mass for organs and tissues located below the subcutaneous adipose tissue layer, such as liver, colon, stomach, etc, while for organs located at the surface, such as breasts, testes and skin, the equivalent dose increases or remains constant with increasing body mass due to weak attenuation and more scatter radiation caused by the increasing adipose tissue mass. Changes of standing height have little influence on the equivalent dose to organs and tissues from external exposure. Specific absorbed fractions (SAFs) have also

  11. Tumor Grade

    MedlinePlus

    ... Other Funding Find NCI funding for small business innovation, technology transfer, and contracts Training Cancer Training at ... much of the tumor tissue has normal breast (milk) duct structures Nuclear grade : an evaluation of the ...

  12. Grading Meningioma

    PubMed Central

    Okuchi, Sachi; Okada, Tomohisa; Yamamoto, Akira; Kanagaki, Mitsunori; Fushimi, Yasutaka; Okada, Tsutomu; Yamauchi, Moritaka; Kataoka, Masako; Arakawa, Yoshiki; Takahashi, Jun C.; Minamiguchi, Sachiko; Miyamoto, Susumu; Togashi, Kaori

    2015-01-01

    Abstract The purpose was to compare capability of fluorine-18 fluorodeoxyglucose (FDG)-PET and thallium-201 (Tl)-SPECT for grading meningioma. This retrospective study was conducted as a case-control study under approval by the institutional review board. In the hospital information system, 67 patients (22 men and 45 women) who had both FDG-PET and Tl-SPECT preoperative examinations were found with histopathologic diagnosis of meningioma. The maximum FDG uptake values of the tumors were measured, and they were standardized to the whole body (SUVmax) and normalized as gray matter ratio (SUVRmax). Mean and maximum Tl uptake ratios (TURmean and TURmax, respectively) of the tumors were measured and normalized as ratios to those of the contralateral normal brain. Receiver-operating characteristic curve analyses of the 4 indexes were conducted for differentiation between low- and high-grade meningiomas, and areas under the curves (AUCs) were compared. Correlation coefficients were calculated between these indexes and Ki-67. Fifty-six meningiomas were classified as grade I (low grade), and 11 were grade II or III (high grade). In all 4 indexes, a significant difference was observed between low- and high-grade meningiomas (P < 0.05). AUCs were 0.817 (SUVmax), 0.781 (SUVRmax), 0.810 (TURmean), and 0.831 (TURmax), and no significant difference was observed among the indexes. Their sensitivity and specificity were 72.7% to 90.9% and 71.4% to 87.5%, respectively. Correlation of the 4 indexes to Ki-67 was statistically significant, but coefficients were relatively low (0.273–0.355). Tl-SPECT, which can be used at hospitals without a cyclotron or an FDG distribution network, has high diagnostic capability of meningioma grades comparable to FDG-PET. PMID:25674763

  13. Developing and Evaluating an Eighth Grade Curriculum Unit That Links Foundational Chemistry to Biological Growth: Designing Professional Development to Support Teaching

    ERIC Educational Resources Information Center

    Kruse, Rebecca; Howes, Elaine V.; Carlson, Janet; Roth, Kathleen; Bourdelat-Parks, Brooke

    2013-01-01

    AAAS and BSCS are collaborating to develop and study a curriculum unit that supports students' ability to explain a variety of biological processes such as growth in chemical terms. The unit provides conceptual coherence between chemical processes in nonliving and living systems through the core idea of atom rearrangement and conservation during…

  14. Computational biology: plus c'est la même chose, plus ça change.

    PubMed

    Huttenhower, Curtis

    2011-08-23

    A report on the joint 19th Annual International Conference on Intelligent Systems for Molecular Biology (ISMB)/10th Annual European Conference on Computational Biology (ECCB) meetings and the 7th International Society for Computational Biology Student Council Symposium, Vienna, Austria, 15-19 July 2011.

  15. Effect of a Counseling Intervention Program on Tenth Grade Students' Attendance, Discipline Referrals, and Academic Achievement

    ERIC Educational Resources Information Center

    Austin, Dorothy Deona Martin

    2013-01-01

    Poor student achievement, high discipline referrals, and student absenteeism were issues in a rural school with a population of approximately 400 students. The purpose of this study was to examine the influence of Effective Teens training on the attendance, discipline referrals, and academic achievement of 10th grade students. The theoretical…

  16. World History, Culture, and Geography: The Modern World. Course Models for the History-Social Science Framework, Grade 10.

    ERIC Educational Resources Information Center

    Prescott, Stephanie, Ed.; And Others

    This resource book is designed to assist teachers in implementing California's history-social science framework at the 10th grade level. The models support implementation at the local level and may be used to plan topics and select resources for professional development and preservice education. This document provides a link between the…

  17. Effect of a Counseling Intervention Program on Tenth Grade Students' Attendance, Discipline Referrals, and Academic Achievement

    ERIC Educational Resources Information Center

    Austin, Dorothy Deona Martin

    2013-01-01

    Poor student achievement, high discipline referrals, and student absenteeism were issues in a rural school with a population of approximately 400 students. The purpose of this study was to examine the influence of Effective Teens training on the attendance, discipline referrals, and academic achievement of 10th grade students. The theoretical…

  18. Biological importance of a polymorphic CA sequence within intron 1 of the epidermal growth factor receptor gene (EGFR) in high grade central osteosarcomas.

    PubMed

    Kersting, Christian; Agelopoulos, Konstantin; Schmidt, Hartmut; Korsching, Eberhard; August, Christian; Gosheger, Georg; Dirksen, Uta; Juergens, Heribert; Winkelmann, Wilfried; Brandt, Burkhard; Bielack, Stefan; Buerger, Horst; Gebert, Carsten

    2008-08-01

    Expression of EGFR in high grade osteosarcomas has been observed to be correlated with an improved prognosis. Yet, the underlying mechanism remained unclear since amplifications of EGFR have rarely been described. Recently, the length of a polymorphic CA repeat located at a 5'-regulatory sequence in the intron 1 of the EGFR gene (SSR I) has been shown to be associated with its basal transcriptional activity. We therefore determined the allelic length of CA SSR-I in 219 cases of high grade osteosarcoma and correlated the results with EGFR expression in 34 cases, the presence of amplifications within the CA SSR-I repeat in 59 cases, and clinical follow-up. Our results confirm that in osteosarcoma patients short alleles are more frequent than longer ones, 16 CA repeats being the most frequent. The allele composition differed significantly from the one recently described in a healthy control population (P < 0.01). Short alleles tended to be associated with increased expression of EGFR. Amplifications of the EGFR gene were seen in 13.5% of cases. Significant correlations between allele length composition and neoadjuvant chemotherapy response or long term clinical outcome could not be established. While we were able to show that high frequency of EGFR expression in osteosarcomas is associated with predominantly short alleles of EGFR-CA SSR I, persisting shortcomings in the correspondence with clinical data point toward the existence of additional, putatively more important transcription control mechanisms for EGFR in osteosarcomas which might account for the good prognostic value of EGFR expression.

  19. Teaching High School Biology Students to Coordinate Text and Diagrams: Relations with Transfer, Effort, and Spatial Skill

    NASA Astrophysics Data System (ADS)

    Bergey, Bradley W.; Cromley, Jennifer G.; Newcombe, Nora S.

    2015-10-01

    There is growing evidence that targeted instruction can improve diagram comprehension, yet one of the skills identified in the diagram comprehension literature-coordinating multiple representations-has rarely been directly taught to students and tested as a classroom intervention. We created a Coordinating Multiple Representation (CMR) intervention that was an addition to an intervention focused on Conventions of Diagrams (COD) and tested their joint effects on diagram comprehension for near transfer (uninstructed biology diagrams), far transfer (uninstructed geology diagrams), and content learning (biology knowledge). The comparison group received instruction using a previously validated intervention that focused exclusively on COD. Participants were 9th-10th grade biology students (N = 158 from two schools), whose classes were randomly assigned to COD alone or COD + CMR conditions and studied with a pretest-posttest experimental design. Both groups showed significant growth in biology knowledge (d = .30-.53, for COD and COD + CMR, respectively) and biology diagram comprehension (d = .28-.57). Neither group showed far transfer. Analyses of student work products during the interventions suggest that gains were not simply due to the passage of time, because student effort was correlated with gains in both treatment groups. Directions for improving future CMR interventions are discussed.

  20. Impacts of Parental Education on Substance Use: Differences among White, African-American, and Hispanic Students in 8th, 10th, and 12th Grades (1999-2008). Monitoring the Future Occasional Paper Series. Paper No. 70

    ERIC Educational Resources Information Center

    Bachman, Jerald G.; O'Malley, Patrick M.; Johnston, Lloyd D.; Schulenberg, John E.

    2010-01-01

    The Monitoring the Future (MTF) project reports annually on levels and trends in self-reported substance use by secondary school students (e.g., Johnston, O'Malley, Bachman, & Schulenberg, 2009). The reports include subgroup comparisons, and these have revealed substantial differences among race/ethnicity groups, as well as some differences…

  1. Mock Tribunal in Action: Mock International Criminal Tribunal for the Former Yugoslavia. 10th Grade Lesson. Schools of California Online Resources for Education (SCORE): Connecting California's Classrooms to the World.

    ERIC Educational Resources Information Center

    Fix, Terrance

    In this lesson, students role-play as members of the International Criminal Tribunal for the former Yugoslavia that will bring to trial "Persons Responsible for Serious Violations of International Humanitarian Law." Students represent the following groups: International Criminal Tribunal; Prosecution; Defense; Serbians; Croatians;…

  2. Kauffman Teen Survey. An Annual Report on Teen Health Behaviors: Use of Alcohol, Tobacco, and Other Drugs among 8th-, 10th-, and 12th-Grade Students in Greater Kansas City, 1991-92 to 2000-01.

    ERIC Educational Resources Information Center

    Ewing Marion Kauffman Foundation, Kansas City, MO.

    The Ewing Marion Kauffman Foundation began surveying Kansas City area teens during the 1984-85 school year. The Kauffman Teen Survey now addresses two sets of issues for teens. Teen Health Behaviors, addressed in this report, have been a focus of the survey since its inception. The report focuses on teen use of alcohol, tobacco, and other drugs in…

  3. Administrative simplification: change to the compliance date for the International Classification of Diseases, 10th Revision (ICD-10-CM and ICD-10-PCS) medical data code sets. Final rule.

    PubMed

    2014-08-04

    This final rule implements section 212 of the Protecting Access to Medicare Act of 2014 by changing the compliance date for the International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM) for diagnosis coding, including the Official ICD-10-CM Guidelines for Coding and Reporting, and the International Classification of Diseases, 10th Revision, Procedure Coding System (ICD-10-PCS) for inpatient hospital procedure coding, including the Official ICD-10-PCS Guidelines for Coding and Reporting, from October 1, 2014 to October 1, 2015. It also requires the continued use of the International Classification of Diseases, 9th Revision, Clinical Modification, Volumes 1 and 2 (diagnoses), and 3 (procedures) (ICD-9-CM), including the Official ICD-9-CM Guidelines for Coding and Reporting, through September 30, 2015.

  4. The role of differentiation and standards-based grading in the science learning of struggling and advanced learners in a detracked high school honors biology classroom

    NASA Astrophysics Data System (ADS)

    MacDonald, Michelina Ruth Carter

    The accountability movement in education resulting from the passage of The No Child Left Behind Act of 2001 has brought to light the disparities that exist in student achievement in the United States which play out along racial and socioeconomic lines. Three educational practices hold promise for reducing this achievement gap: differentiated instruction, standards-based assessment, and elimination of academic tracking. The purpose of this practitioner research study was to examine the ways that differentiation and standards-based assessment can support struggling learners and challenge advanced learners in a detracked, honors biology classroom. To gain insight into the role that differentiation and standards-based assessment played in supporting struggling and advanced learners, I used practitioner research to examine the development and implementation of a differentiated, standards-based instructional unit around the conceptual topic of protein synthesis. I collected multiple data pieces for 10 students in the study: two advanced learners, four struggling learners, and four strong learners who struggled in biology. Data analyzed included formative, self-, and summative assessment results; student artifacts; informal and formal student interviews; and, a practitioner reflection journal chronicling critical incidents and actions taken during the development and implementation of this unit and notes from peer debriefing during and following the unit's implementation. As I analyzed the data collected, my four findings fell into two overarching categories related to student grouping. My first three findings reflect what I learned about homogeneous grouping: (1) Pre-assessment based on unit outcomes is not useful for determining groups for tiered instruction; (2) Decisions about differentiation and grouping for differentiation must be made in the act of teaching using formative assessment results; and, (3) Flexible grouping structures are effective for both struggling

  5. A glass-reinforced hydroxyapatite and surgical-grade calcium sulfate for bone regeneration: In vivo biological behavior in a sheep model.

    PubMed

    Cortez, Paulo Pegado; Silva, Marta Alves; Santos, Marta; Armada-da-Silva, Paulo; Afonso, Amrico; Lopes, Maria A; Santos, Jose Domingos; Maurício, Ana Colette

    2012-08-01

    A glass-reinforced hydroxyapatite (HA) composite (Bonelike®) was developed for bone grafting. This biomaterial is composed of a modified HA matrix with α- and β-tricalcium phosphate secondary phases, resulting in higher solubility than single HA type of materials. Several in vitro and in vivo studies demonstrated that Bonelike® has a highly bioactive behavior, which was also confirmed by employing granular forms of this biomaterial in orthopedics and dental applications. However, a fast consolidation vehicle was needed to promote the fixation of Bonelike® granules if applied in larger defects or in unstable sites. Surgical-grade calcium sulfate (CS), which is widely recognized as a well-tolerated and inexpensive bone graft material, was the chosen vehicle to improve the handling characteristics of Bonelike® as it can be used in the form of a powder that is mixed with a liquid to form a paste that sets in situ. After application in non-critical monocortical defects in sheep, histological, and scanning electron microscopy evaluations demonstrated that Bonelike® associated to CS functioned as a very satisfactory scaffold for bone regeneration as it achieved synchronization of the ingrowing bone with biomaterial resorption and subsequent preservation of the bone graft initial volume. Therefore, our results indicate that CS is an effective vehicle for Bonelike® granules as it facilitates their application and does not interfere with their proven highly osteoconductive properties. In the opposite way, the incorporation of Bonelike® improves the bone regeneration capabilities of CS.

  6. Knowlege of, attitudes toward, and acceptance of genetically modified organisms among prospective teachers of biology, home economics, and grade school in Slovenia.

    PubMed

    Sorgo, Andrej; Ambrožič-Dolinšek, Jana

    2010-05-01

    The objective of this study was to investigate knowledge, opinions, and attitudes toward, as well as readiness to accept genetically modified organisms (GMOs) among prospective primary and secondary Slovene teachers. Our findings are that prospective teachers want to take an active role in rejecting or supporting individual GMOs and are aware of the importance of education about genetically modified organism (GMO) items and their potential significance for society. Through cluster analysis, we recognized four clusters of GMOs, separated by degree of genetically modified acceptability. GM plants and microorganisms which are recognized as useful are accepted. They are undecided about organisms used in research or medicine and reject organisms used for food consumption and for fun. There are only weak correlations between knowledge and attitudes and knowledge and acceptance of GMOs, and a strong correlation between attitudes and acceptance. The appropriate strategies and actions for improving university courses in biotechnology are discussed. Copyright © 2010 International Union of Biochemistry and Molecular Biology, Inc.

  7. A qualitative study of the instructional behaviors and practices of a dyad of educators in self-contained and inclusive co-taught secondary biology classrooms during a nine-week science instruction grading period

    NASA Astrophysics Data System (ADS)

    Hardy, Shanon D.

    The Individuals with Disabilities Education Act (IDEA) (1997) mandates that students with disabilities have access to the general education curriculum. School districts have developed a variety of service delivery models to provide challenging educational experiences for all students. Co-teaching or collaborative teaching is the most widely used of the different service delivery models. While the philosophy of inclusion is widely accepted, the efficacy of the various inclusion models has recently been the focus of educational research. Researchers have questioned whether the presence of a special educator in the general education classroom has resulted in students with high incidence disabilities receiving specialized instruction. A qualitative study was designed to examine the instructional behaviors and practices exhibited and used by a dyad of educators in self-contained learning disabilities and inclusive co-taught secondary Biology classrooms during a nine-week science instruction grading period. In addition to utilizing interviews, observations, and classroom observation scales to answer the research questions, supporting student data (time-sampling measurement/opportunity to learn and student grades) were collected. The study concluded that the presence of a special educator in a co-taught classroom: (1) did contribute to the creation of a new learning environment, and notable changes in the instructional behaviors and practices of a general educator; (2) did contribute to limited specialized instruction for students with disabilities in the co-taught classrooms and embedded (not overt) special education practices related to the planning and decision-making of the educators; (3) did contribute to the creation of a successful co-teaching partnership including the use of effective teaching behaviors; and (4) did impact success for some of the students with disabilities in the co-taught classrooms; but (5) did not ensure the continuation of some of the new

  8. Glacier Change and Biologic Succession: a new Alaska Summer Research Academy (ASRA) Science Camp Module for Grades 8-12 in Glacier Bay National Park, Alaska

    NASA Astrophysics Data System (ADS)

    Connor, C. L.; Drake, J.; Good, C.; Fatland, R.; Hakala, M.; Woodford, R.; Donohoe, R.; Brenner, R.; Moriarty, T.

    2008-12-01

    During the summer of 2008, university faculty and instructors from southeast Alaska joined the University Alaska Fairbanks(UAF)Alaska Summer Research Academy(ASRA)to initiate a 12-day module on glacier change and biologic succession in Glacier Bay National Park. Nine students from Alaska, Colorado, Massachusetts, and Texas, made field observations and collected data while learning about tidewater glacier dynamics, plant succession, post-glacial uplift, and habitat use of terrestrial and marine vertebrates and invertebrates in this dynamic landscape that was covered by 6,000 km2 of ice just 250 years ago. ASRA students located their study sites using GPS and created maps in GIS and GOOGLE Earth. They deployed salinometers and temperature sensors to collect vertical profiles of seawater characteristics up-bay near active tidewater glacier termini and down-bay in completely deglaciated coves. ASRA student data was then compared with data collected during the same time period by Juneau undergraduates working on the SEAMONSTER project in Mendenhall Lake. ASRA students traversed actively forming, up-bay recessional moraines devoid of vegetation, and the fully reforested Little Ice Age terminal moraine near Park Headquarters in the lower bay region. Students surveyed marine organisms living between supratidal and subtidal zones near glaciers and far from glaciers, and compared up-bay and down-bay communities. Students made observations and logged sightings of bird populations and terrestrial mammals in a linear traverse from the bay's northwestern most fjord near Mt. Fairweather for 120 km to the bay's entrance, south of Park Headquarters at Bartlett Cove. One student constructed an ROV and was able to deploy a video camera and capture changing silt concentrations in the water column as well as marine life on the fjord bottom. Students also observed exhumed Neoglacial spruce forests and visited outcrops of Silurian reef faunas, now fossilized in Alexander terrane

  9. RESEARCH ON WATER QUALITY AND BIOLOGICAL CONDITIONS OF GREAT LAKES COASTAL WETLANDS

    EPA Science Inventory

    Presentation is to 4th - 10th grade teachers participating in a NSF-funded, Sea-Grant led program for enhancing science curricula in schools by educating teachers about research and issues in some focal area (Great Lakes in this case). Background information provided on ecology ...

  10. RESEARCH ON WATER QUALITY AND BIOLOGICAL CONDITIONS OF GREAT LAKES COASTAL WETLANDS

    EPA Science Inventory

    Presentation is to 4th - 10th grade teachers participating in a NSF-funded, Sea-Grant led program for enhancing science curricula in schools by educating teachers about research and issues in some focal area (Great Lakes in this case). Background information provided on ecology ...

  11. [Gastrointestinal stromal tumours (GIST)--development in pathology, surgery and medical therapy. Developed during the 10th German GIST-meeting, Göttingen].

    PubMed

    Agaimy, A; Bauer, S; Beham, A; Bertolini, J; Haller, F; Koschny, R; Maier, J; Montemurro, M; Perez, D; Schaefer, I-M; Schildhaus, H-U; Wurst, C; Cameron, S

    2015-03-01

    The first description of ligand-independent activating mutations in the KIT gene, which encodes the tyrosine-kinase KIT, greatly improved our understanding of gastrointestinal stromal tumour (GIST) biology. The therapeutic success in GIST has made tyrosine kinase inhibitors a "paradigm of targeted therapy". Deciphering resistance mechanisms in GIST has had implications for many other kinase-driven cancers. To exchange current knowledge within the field of GIST, the German GIST Meeting has taken place for now 10 years, traditionally in Göttingen. Subjects discussed include clinical diagnostics, pathology, surgery, and medical therapy. The following presentation gives an overview of the last meeting held in December 2013, including distinctive features in GIST and current data on the different topics.

  12. Graded/Gradient Porous Biomaterials

    PubMed Central

    Miao, Xigeng; Sun, Dan

    2009-01-01

    Biomaterials include bioceramics, biometals, biopolymers and biocomposites and they play important roles in the replacement and regeneration of human tissues. However, dense bioceramics and dense biometals pose the problem of stress shielding due to their high Young’s moduli compared to those of bones. On the other hand, porous biomaterials exhibit the potential of bone ingrowth, which will depend on porous parameters such as pore size, pore interconnectivity, and porosity. Unfortunately, a highly porous biomaterial results in poor mechanical properties. To optimise the mechanical and the biological properties, porous biomaterials with graded/gradient porosity, pores size, and/or composition have been developed. Graded/gradient porous biomaterials have many advantages over graded/gradient dense biomaterials and uniform or homogenous porous biomaterials. The internal pore surfaces of graded/gradient porous biomaterials can be modified with organic, inorganic, or biological coatings and the internal pores themselves can also be filled with biocompatible and biodegradable materials or living cells. However, graded/gradient porous biomaterials are generally more difficult to fabricate than uniform or homogenous porous biomaterials. With the development of cost-effective processing techniques, graded/gradient porous biomaterials can find wide applications in bone defect filling, implant fixation, bone replacement, drug delivery, and tissue engineering.

  13. The Turn of the Century. Tenth Grade Lesson. Schools of California Online Resources for Education (SCORE): Connecting California's Classrooms to the World.

    ERIC Educational Resources Information Center

    Bartels, Dede

    In this 10th grade social studies and language arts interdisciplinary unit, students research and report on historical figures from the turn of the 20th century. Students are required to work in pairs to learn about famous and common individuals, including Andrew Carnegie, Samuel Gompers, Susan B. Anthony, Thomas Edison, Theodore Roosevelt, Booker…

  14. The Construction and Validation of an Instrument to Assess Teachers' Opinions of Methods of Teaching Poetry to Tenth Grade Students of Average Ability.

    ERIC Educational Resources Information Center

    Gallo, Donald Robert

    This study attempted to construct an instrument--the Poetry Methods Rating Scale (PMRS)--for assessing 10th-grade teachers' opinions of poetry teaching methods and to validate it by comparing the scores on the PMRS to the teachers' attitudes, personality, performance, and success in the classroom. The PMRS (a 38-item, seven category…

  15. easyCBM Beginning Reading Measures: Grades K-1 Alternate Form Reliability and Criterion Validity with the SAT-10. Technical Report #1403

    ERIC Educational Resources Information Center

    Wray, Kraig; Lai, Cheng-Fei; Sáez, Leilani; Alonzo, Julie; Tindal, Gerald

    2013-01-01

    We report the results of an alternate form reliability and criterion validity study of kindergarten and grade 1 (N = 84-199) reading measures from the easyCBM© assessment system and Stanford Early School Achievement Test/Stanford Achievement Test, 10th edition (SESAT/SAT-­10) across 5 time points. The alternate form reliabilities ranged from…

  16. Behavioral and psychosocial effects of two middle school sexual health education programs at tenth-grade follow-up.

    PubMed

    Markham, Christine M; Peskin, Melissa F; Shegog, Ross; Baumler, Elizabeth R; Addy, Robert C; Thiel, Melanie; Escobar-Chaves, Soledad Liliana; Robin, Leah; Tortolero, Susan R

    2014-02-01

    An earlier randomized controlled trial found that two middle school sexual education programs-a risk avoidance (RA) program and a risk reduction (RR) program-delayed initiation of sexual intercourse (oral, vaginal, or anal sex) and reduced other sexual risk behaviors in ninth grade. We examined whether these effects extended into 10th grade. Fifteen middle schools were randomly assigned to RA, RR, or control conditions. Follow-up surveys were conducted with participating students in 10th grade (n = 1,187; 29.2% attrition). Participants were 60% female, 50% Hispanic, and 39% black; seventh grade mean age was 12.6 years. In 10th grade, compared with the control condition, both programs significantly delayed anal sex initiation in the total sample (RA: adjusted odds ratio [AOR], .64, 95% confidence interval [CI], .42-.99; RR: AOR, .65, 95% CI, .50-.84) and among Hispanics (RA: AOR, .53, 95% CI, .31-.91; RR: AOR, .82, 95% CI, .74-.93). Risk avoidance students were less likely to report unprotected vaginal sex, either by using a condom or by abstaining from sex (AOR: .61, 95% CI, .45-.85); RR students were less likely to report recent unprotected anal sex (AOR: .34, 95% CI, .20-.56). Both programs sustained positive impact on some psychosocial outcomes. Although both programs delayed anal sex initiation into 10th grade, effects on the delayed initiation of oral and vaginal sex were not sustained. Additional high school sexual education may help to further delay sexual initiation and reduce other sexual risk behaviors in later high school years. Copyright © 2014 Society for Adolescent Health and Medicine. All rights reserved.

  17. EDITORIAL: Selected papers from the 10th International Workshop on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS 2010) Selected papers from the 10th International Workshop on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS 2010)

    NASA Astrophysics Data System (ADS)

    Reynaerts, Dominiek; Vullers, Ruud

    2011-10-01

    This special section of Journal of Micromechanics and Microengineering features papers selected from the 10th International Workshop on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS 2010). The workshop was organized in Leuven, Belgium from 30 November to 3 December 2010 by Katholieke Universiteit Leuven and the imec/Holst Centre. This was a special PowerMEMS Workshop, for several reasons. First of all, we celebrated the 10th anniversary of the workshop: the first PowerMEMS meeting was organized in Sendai, Japan in 2000. None of the organizers or participants of this first meeting could have predicted the impact of the workshop over the next decade. The second reason was that, for the first time, the conference organization spanned two countries: Belgium and the Netherlands. Thanks to the advances in information technology, teams from Katholieke Universiteit Leuven (Belgium) and the imec/Holst Centre in Eindhoven (the Netherlands) have been able to work together seamlessly as one team. The objective of the PowerMEMS Workshop is to stimulate innovation in micro and nanotechnology for power generation and energy conversion applications. Its scope ranges from integrated microelectromechanical systems (MEMS) for power generation, dissipation, harvesting, and management, to novel nanostructures and materials for energy-related applications. True to the objective of the PowerMEMSWorkshop, the 2010 technical program covered a broad range of energy related research, ranging from the nanometer to the millimeter scale, discussed in 5 invited and 52 oral presentations, and 112 posters. This special section includes 14 papers covering vibration energy harvesters, thermal applications and micro power systems. Finally, we wish to express sincere appreciation to the members of the International Steering Committee, the Technical Program Committee and last but not least the Local Organizing Committee. This special issue was edited in

  18. Report from the World Health Organization's third Product Development for Vaccines Advisory Committee (PDVAC) meeting, Geneva, 8-10th June 2016.

    PubMed

    Giersing, Birgitte K; Vekemans, Johan; Nava, Samantha; Kaslow, David C; Moorthy, Vasee

    2017-03-02

    The third meeting of WHO's Product Development for Vaccines Advisory Committee (PDVAC) was held in June 2016, with a remit to revisit the pathogen areas for which significant progress has occurred since recommendations from the 2015 meeting, as well as to consider new advances in the development of vaccines against other pathogens. Since the previous meeting, significant progress has been made with regulatory approvals of the first malaria and dengue vaccines, and the first phase III trials of a respiratory syncytial virus (RSV) vaccine candidate has started in the elderly and pregnant women. In addition, PDVAC has also supported vaccine development efforts against important emerging pathogens, including Middle Eastern Coronavirus (MERS CoV) and Zika virus. Trials of HIV and tuberculosis vaccine candidates are steadily progressing towards pivotal data points, and the leading norovirus vaccine candidate has entered a phase IIb efficacy study. WHO's Immunization, Vaccine and Biologicals (IVB) department is actively working in several pathogen areas on the recommendation of PDVAC, as well as continuing horizon scanning for advances in the development of vaccines that may benefit low and middle income countries (LMICs), such as the recent licensure of the enterovirus 71 (EV71) vaccine in China. Following on from discussions with WHO's Strategic Advisory Group of Experts (SAGE) on Immunization, PDVAC will also look beyond licensure and consider data needs for vaccine recommendation and implementation to reduce the delay between vaccine approval and vaccine impact.

  19. Introduction to the special issue on the joint meeting of the 19th IEEE International Symposium on the Applications of Ferroelectrics and the 10th European Conference on the Applications of Polar Dielectrics.

    PubMed

    Tsurumi, Takaaki

    2011-09-01

    The joint meeting of the 19th IEEE International Symposium on the Applications of Ferroelectrics and the 10th European Conference on the Applications of Polar Dielectrics took place in Edinburgh from August 9-12, 2010. The conference was attended by 390 delegates from more than 40 different countries. There were 4 plenary speakers, 56 invited speakers, and a further 222 contributed oral presentations in 7 parallel session. In addition there were 215 poster presentations. Key topics addressed at the conference included piezoelectric materials, leadfree piezoelectrics, and multiferroics.

  20. Improving Grading Consistency through Grade Lift Reporting

    ERIC Educational Resources Information Center

    Millet, Ido

    2010-01-01

    We define Grade Lift as the difference between average class grade and average cumulative class GPA. This metric provides an assessment of how lenient the grading was for a given course. In 2006, we started providing faculty members individualized Grade Lift reports reflecting their position relative to an anonymously plotted school-wide…

  1. Biology Grade 10, Science Curriculum Materials.

    ERIC Educational Resources Information Center

    Bloom, Samuel W.

    This teaching guide and syllabus outline is intended for use with pupils whose primary interests are in non-science fields, or who do not intend to enter college. The guide contains suggested activities, both laboratory and discussion, for a course containing the following sections: Introduction to Cells and Life; Animal Physiology; Plant…

  2. Teachers' Grading Decision Making

    ERIC Educational Resources Information Center

    Isnawati, Ida; Saukah, Ali

    2017-01-01

    This study investigated teachers' grading decision making, focusing on their beliefs underlying their grading decision making, their grading practices and assessment types, and factors they considered in grading decision making. Two teachers from two junior high schools applying different curriculum policies in grade reporting in Indonesian…

  3. A descriptive analysis of patients admitted to the intensive care unit of the 10th Combat Support Hospital deployed in Ibn Sina, Baghdad, Iraq, from October 19, 2005, to October 19, 2006.

    PubMed

    Lundy, Jonathan B; Swift, Christian B; McFarland, Craig C; Mahoney, Peter; Perkins, Robert M; Holcomb, John B

    2010-01-01

    Although a review of the 1-month experience of a British intensive care unit (ICU) deployed in 2003 to Iraq outlining its care of 47 patients exists, a descriptive study outlining patient characteristics, workload, and outcomes of an ICU during a long-term deployment to Operation Iraqi Freedom is lacking in the medical literature. Between October 19, 2005, and October 19, 2006, the 10th Combat Support Hospital (CSH) deployed in an ICU to Ibn Sina Hospital in Baghdad, Iraq. Staff prospectively collected patient admission data from November 1, 2005, to August 31, 2006, in handwritten logbooks. This information included nationality (United States/Iraqi/other), military versus civilian, mechanism of injury or nontrauma admission diagnosis, ICU length of stay (LOS), and outcome. These data were retrospectively reviewed for the purpose of reporting the experience of the 10th CSH ICU during its deployment. The 10th CSH ICU admitted 875 patients during the study period. This represented 27% of all hospital admissions (n = 3289). Categories of patients admitted to the ICU included United States military, US contractor, Iraqi military, Iraqi civilian, non-US contractor, coalition military personnel, and security internee. Three patients were unable to be classified due to missing information. The most common patient category of admission was Iraqi civilian (n = 472, 53.9%). Noncoalition (Iraqi civilian, Iraqi military, non-US contractors, and other noncoalition military) admissions made up 76.9% (n = 673) of all admissions. US military (n = 165) and US contractors (n = 31) made up 22.4% of all ICU admissions. Trauma-related admissions were the most common diagnoses (n = 730, 83.4%). Other admission diagnostic categories included medical (n = 125, 14.3%) and postoperative (n = 5, 0.6%) patients. A total of 15 patients (1.7%) were unable to be categorized based on diagnosis due to missing information. The most common medical diagnosis requiring ICU admission was related to

  4. 10th Anniversary P.S.

    SciTech Connect

    2005-10-28

    John Adams parle de la préhistoire du P.S. avec présentation des dias. Le DG B.Gregory prend la parole. Les organisateurs présentent sous la direction du "Prof.Ocktette"(?) un sketch très humoristique (p.e.existence de Quark etc.....)

  5. Win That Job! 10th Anniversary Edition.

    ERIC Educational Resources Information Center

    Stevens, Paul

    This book provides practical information on obtaining a job. Though it is published in Australia, 11 chapters introduce a universal range of job search methods, presenting: the importance of goals and self-knowledge; the resume; preparing job search correspondence; the interview; self-promotion; job search tips and unusual strategies; networking;…

  6. Trafficking in Persons Report 10th Edition

    DTIC Science & Technology

    2010-06-01

    prevalent in cotton, chocolate , steel, rubber, tin, tungsten, coltan, sugar, and seafood – it is impossible to get dressed, drive to work, talk on the...sick, your wages are docked, and you are trapped here even longer.” Bangladeshi construction worker in Dubai (“The dark side of Dubai,” The...and try to crush it are continually frustrated now, as in the past. For peonage has been like the dark side of the moon; it existed, but only

  7. Children's Budget 2016. 10th Anniversary Edition

    ERIC Educational Resources Information Center

    Monsif, John, Ed.; Gluck, Elliott, Ed.

    2016-01-01

    Federal spending dedicated to children represents just 7.83 percent of the federal budget in fiscal year 2016, and total spending on children's programs has decreased by five percent in the last two years, according to "Children's Budget 2016." The federal government makes more than 200 distinct investments in children. These include…

  8. 10th Amendment Regulatory Reform Act

    THOMAS, 111th Congress

    Rep. Cole, Tom [R-OK-4

    2010-03-25

    House - 07/26/2010 Referred to the Subcommittee on the Constitution, Civil Rights, and Civil Liberties. (All Actions) Tracker: This bill has the status IntroducedHere are the steps for Status of Legislation:

  9. Part C Updates. 10th Edition

    ERIC Educational Resources Information Center

    Goode, Sue; Lazara, Alex; Danaher, Joan

    2008-01-01

    "Part C Updates" is a compilation of information on various aspects of the Early Intervention Program for Infants and Toddlers with Disabilities (Part C) of the Individuals with Disabilities Education Act (IDEA). This is the tenth volume in a series of compilations, which included two editions of Part H Updates, the former name of the…

  10. 10th Anniversary P.S.

    ScienceCinema

    None

    2016-07-12

    John Adams parle de la préhistoire du P.S. avec présentation des dias. Le DG B.Gregory prend la parole. Les organisateurs présentent sous la direction du "Prof.Ocktette"(?) un sketch très humoristique (p.e.existence de Quark etc.....)

  11. 10th International Meeting on Cholinesterases

    DTIC Science & Technology

    2009-10-01

    Rosenberry 5e. TASK NUMBER Email: rosenberry@mayo.edu 5f. WORK UNIT NUMBER 7. PERFORMING ORGANIZATION NAME (S) AND ADDRESS(ES) 8. PERFORMING...AGENCY NAME (S) AND ADDRESS(ES) 10. SPONSOR/MONITOR’S ACRONYM(S) USA MED RESEARCH AND MATERIEL COMMAND FORT DETRICK MD 21702-5012 11. SPONSOR...therapy 16. SECURITY CLASSIFICATION OF: 17. LIMITATION OF ABSTRACT 18. NUMBER OF PAGES 19a. NAME OF RESPONSIBLE PERSON USAMRMC a. REPORT U b

  12. 10th Annual Small Business Conference

    DTIC Science & Technology

    2006-11-02

    Procurement Data Base, are extracted from one of the more popular George Mason University’s PTAP seminars entitled “Internet for Government...such as chemical demilitarization, installation support, garrison operations, and Army Prepositioned Stocks (APS), as well as the contract support...2001, Mr. Loehrl served as Chief of the Chemical Demilitarization program, a $12 billion mission that was new to the Command. His - 1 - - 1

  13. Highlights of 10th plasma chemistry meeting

    NASA Technical Reports Server (NTRS)

    Kitamura, K.; Hashimoto, H.; Hozumi, K.

    1981-01-01

    The chemical structure is given of a film formed by plasma polymerization from pyridine monomers. The film has a hydrophilic chemical structure, its molecular weight is 900, and the molecular system is C55H50N10O3. The electrical characteristics of a plasma polymerized film are described. The film has good insulating properties and was successfully applied as video disc coating. Etching resistance properties make it possible to use the film as a resist in etching. The characteristics of plasma polymer formed from monomers containing tetramethyltin are discussed. The polymer is in film form, displays good adhesiveness, is similar to UV film UV 35 in light absorption and is highly insulating.

  14. 2005 10th Annual Expeditionary Conference

    DTIC Science & Technology

    2005-10-27

    S e r v i c e - E x c e l l e n c e Transformation Objective Network Centric C2 & ISR Environment NSA NGA AF DCGS Wide Area Network i Rivet...Directorate Army Research Lab SPAWAR NETWARCOM ONI NRO NSA N096 NAVMETOC CORE NOPP NOAA NASA UNOLS NAVSEA NAVSURFOR NAVSUBFOR NAVAIRFOR (for ship systems...SYSTEM (E&D) COMBAT SITUATION AWARENESS (D&I) COGNITIVE NEUROSCIENCE FOR ENHANCING TRAINING & PERFORMANCE (D&I) ELECTROPHYSIOLOGICAL MARKERS OF

  15. 10th Conference on Bayesian Nonparametrics

    DTIC Science & Technology

    2016-05-08

    invited and contributed speakers and almost all poster presenters were young participants. A 1. REPORT DATE (DD-MM-YYYY) 4. TITLE AND SUBTITLE 13...invited and contributed speakers and almost all poster presenters were young participants. A significant number of female researchers participated in...hospitality for invited speakers and several young researchers. By providing local hospitality, the organizers were able to significantly reduce the

  16. Engineering graded tissue interfaces.

    PubMed

    Phillips, Jennifer E; Burns, Kellie L; Le Doux, Joseph M; Guldberg, Robert E; García, Andrés J

    2008-08-26

    Interfacial zones between tissues provide specialized, transitional junctions central to normal tissue function. Regenerative medicine strategies focused on multiple cell types and/or bi/tri-layered scaffolds do not provide continuously graded interfaces, severely limiting the integration and biological performance of engineered tissue substitutes. Inspired by the bone-soft tissue interface, we describe a biomaterial-mediated gene transfer strategy for spatially regulated genetic modification and differentiation of primary dermal fibroblasts within tissue-engineered constructs. We demonstrate that zonal organization of osteoblastic and fibroblastic cellular phenotypes can be engineered by a simple, one-step seeding of fibroblasts onto scaffolds containing a spatial distribution of retrovirus encoding the osteogenic transcription factor Runx2/Cbfa1. Gradients of immobilized retrovirus, achieved via deposition of controlled poly(L-lysine) densities, resulted in spatial patterns of transcription factor expression, osteoblastic differentiation, and mineralized matrix deposition. Notably, this graded distribution of mineral deposition and mechanical properties was maintained when implanted in vivo in an ectopic site. Development of this facile and robust strategy is significant toward the regeneration of continuous interfacial zones that mimic the cellular and microstructural characteristics of native tissue.

  17. Social Studies, Grade 10, World Studies: Western Civilization--History and Culture. Course of Study and Related Learning Activities, Preliminary Materials. Curriculum Bulletin, 1968-69 Series, No. 5.

    ERIC Educational Resources Information Center

    New York City Board of Education, Brooklyn, NY. Bureau of Curriculum Development.

    This 10th-grade curriculum guide provides an in-depth study of the revolutions which accompanied the rise of modern Europe and shaped European cultural patterns. Eight "themes" with content outlines are developed: (1) the emergence of modern Europe from the Renaissance to the commercial and scientific revolutions, (2) the growth of democracy, (3)…

  18. YOUNG WOMEN IN VIRGINIA, A 10-YEAR FOLLOW-UP STUDY OF GIRLS ENROLLED IN 1954-55 IN THE TENTH GRADE IN VIRGINIA HIGH SCHOOLS. A RESEARCH CONTRIBUTION TO EDUCATIONAL PLANNING, VOL. 49, NO. 1.

    ERIC Educational Resources Information Center

    JORDAN, BETH C.; LOVING, ROSA H.

    THE PURPOSES OF THIS STUDY WERE TO DETERMINE THE NEEDS FOR STRENGTHENING THE HOMEMAKING PROGRAM AND FOR PLANNING PROGRAMS TO PREPARE YOUNG WOMEN FOR OCCUPATIONS USING HOME ECONOMICS SKILLS AND KNOWLEDGE. HOME ECONOMICS TEACHERS COMPLETED DATA SHEETS FOR 2,679 OF THE 20,000 10TH GRADE GIRLS IN VIRGINIA SCHOOLS IN 1954-55. QUESTIONNAIRES WERE SENT…

  19. Asterisk Grade Study Report.

    ERIC Educational Resources Information Center

    Kokorsky, Eileen A.

    A study was conducted at Passaic County Community College (PCCC) to investigate the operation of a grading system which utilized an asterisk (*) grade to indicate progress in a course until a letter grade was assigned. The study sought to determine the persistence of students receiving the "*" grade, the incidence of cases of students receiving…

  20. An experimental test of an extended discretion approach for high school biology laboratory investigations

    NASA Astrophysics Data System (ADS)

    Leonard, William H.; Cavana, Gordon R.; Lowery, Lawrence F.

    Discretion-the exercise of independent judgment-was observed to be lacking in most commercially available laboratory investigations for high school biology. An Extended Discretion (ED) laboratory approach was developed and tested experimentally against the BSCS Green Version laboratory program, using ten classes of 10th-grade biology in a suburban California high school. Five teachers were each assigned one experimental and one control group. The primary differences between the two approaches were that the BSCS was more prescriptive and directive than the ED approach and the ED approach increased discretionary demands upon the student over the school year. A treatment verification procedure showed statistically significant differences between the two approaches. The hypothesis under test was that when high school biology students are taught laboratory concepts under comparatively high discretionary demands, they would perform as well as or better than a similar group of students taught with BSCS Green Version investigations. A second hypothesis was that teachers would prefer to use the ED approach over the BSCS approach for their future classes. A t analysis between experimental and control groups for each teacher was employed. There were significant differences in favor of the ED group on laboratory report scores for three teachers and no differences for two teachers. There were significant differences in favor of the ED group on laboratory concepts quiz scores for three teachers, no differences for one teacher, and significant differences in favor of the BSCS group for only one teacher. A t analysis of teacher evaluation of the two approaches showed a significant teacher preference overall for the ED approach. Both experimental hypotheses were accepted. The ED approach was observed to be difficult for students at first, but it was found to be a workable and productive means of teaching laboratory concepts in biology which also required extensive use of individual

  1. Algebra for All: California’s Eighth-Grade Algebra Initiative as Constrained Curricula

    PubMed Central

    Domina, Thurston; Penner, Andrew M.; Penner, Emily K.; Conley, Annemarie

    2015-01-01

    Background/Context Across the United States, secondary school curricula are intensifying as a growing proportion of students enroll in high-level academic math courses. In many districts, this intensification process occurs as early as eighth grade, where schools are effectively constraining their mathematics curricula by restricting course offerings and placing more students into Algebra I. This paper provides a quantitative single-case research study of policy-driven curricular intensification in one California school district. Research Questions (1a) What effect did 8th eighth grade curricular intensification have on mathematics course enrollment patterns in Towering Pines Unified schools? (2b) How did the distribution of prior achievement in Towering Pines math classrooms change as the district constrained the curriculum by universalizing 8th eighth grade Algebra? (3c) Did 8th eighth grade curricular intensification improve students’ mathematics achievement? Setting Towering Pines is an immigrant enclave in the inner-ring suburbs of a major metropolitan area. The district’s 10 middle schools together enroll approximately 4,000 eighth graders each year. The districts’ students are ethnically diverse and largely economically disadvantaged. The study draws upon administrative data describing 8th eighth graders in the district in the 2004–20-05 through 2007–20-08 school years. Intervention/Program/Practice During the study period, Towering Pines dramatically intensified middle school students’ math curricula: In the 2004–20-05 school year 32% of the district’s 8th eighth graders enrolled in Algebra or a higher- level mathematics course; by the 2007–20-08 school year that proportion had increased to 84%. Research Design We use an interrupted time-series design, comparing students’ 8th eighth grade math course enrollments, 10th grade math course enrollments, and 10th grade math test scores across the four cohorts, controlling for demographics and

  2. Algebra for All: California's Eighth-Grade Algebra Initiative as Constrained Curricula.

    PubMed

    Domina, Thurston; Penner, Andrew M; Penner, Emily K; Conley, Annemarie

    2014-08-01

    Across the United States, secondary school curricula are intensifying as a growing proportion of students enroll in high-level academic math courses. In many districts, this intensification process occurs as early as eighth grade, where schools are effectively constraining their mathematics curricula by restricting course offerings and placing more students into Algebra I. This paper provides a quantitative single-case research study of policy-driven curricular intensification in one California school district. (1a) What effect did 8th eighth grade curricular intensification have on mathematics course enrollment patterns in Towering Pines Unified schools? (2b) How did the distribution of prior achievement in Towering Pines math classrooms change as the district constrained the curriculum by universalizing 8th eighth grade Algebra? (3c) Did 8th eighth grade curricular intensification improve students' mathematics achievement? Towering Pines is an immigrant enclave in the inner-ring suburbs of a major metropolitan area. The district's 10 middle schools together enroll approximately 4,000 eighth graders each year. The districts' students are ethnically diverse and largely economically disadvantaged. The study draws upon administrative data describing 8th eighth graders in the district in the 2004-20-05 through 2007-20-08 school years. During the study period, Towering Pines dramatically intensified middle school students' math curricula: In the 2004-20-05 school year 32% of the district's 8th eighth graders enrolled in Algebra or a higher- level mathematics course; by the 2007-20-08 school year that proportion had increased to 84%. We use an interrupted time-series design, comparing students' 8th eighth grade math course enrollments, 10th grade math course enrollments, and 10th grade math test scores across the four cohorts, controlling for demographics and prior achievement. We find that students' odds of taking higher level mathematics courses increased as this

  3. Grading for Understanding--Standards-Based Grading

    ERIC Educational Resources Information Center

    Zimmerman, Todd

    2017-01-01

    Standards-based grading (SBG), sometimes called learning objectives-based assessment (LOBA), is an assessment model that relies on students demonstrating mastery of learning objectives (sometimes referred to as standards). The goal of this grading system is to focus students on mastering learning objectives rather than on accumulating points. I…

  4. Grading for Understanding--Standards-Based Grading

    ERIC Educational Resources Information Center

    Zimmerman, Todd

    2017-01-01

    Standards-based grading (SBG), sometimes called learning objectives-based assessment (LOBA), is an assessment model that relies on students demonstrating mastery of learning objectives (sometimes referred to as standards). The goal of this grading system is to focus students on mastering learning objectives rather than on accumulating points. I…

  5. The influence of physique on dose conversion coefficients for idealised external photon exposures: a comparison of doses for Chinese male phantoms with 10th, 50th and 90th percentile anthropometric parameters.

    PubMed

    Lv, Wei; He, Hengda; Liu, Qian

    2017-03-22

    For evaluating radiation risk, the construction of anthropomorphic computational phantoms with a variety of physiques can help reduce the uncertainty that is due to anatomical variation. In our previous work, three deformable Chinese reference male phantoms with 10th, 50th and 90th percentile body mass indexes and body circumference physiques (DCRM-10, DCRM-50 and DCRM-90) were constructed to represent underweight, normal weight and overweight Chinese adult males, respectively. In the present study, the phantoms were updated by correcting the fat percentage to improve the precision of radiological dosimetry evaluations. The organ dose conversion coefficients for each phantom were calculated and compared for four idealized external photon exposures from 15 keV to 10 MeV, using the Monte Carlo method. The dosimetric results for the three deformable Chinese reference male phantom (DCRM) phantoms indicated that variations in physique can cause as much as a 20% difference in the organ dose conversion coefficients. When the photon energy was <50 keV, the discrepancy was greater. The irradiation geometry and organ position can also affect the difference in radiological dosimetry between individuals with different physiques. Hence, it is difficult to predict the conversion coefficients of the phantoms from the anthropometric parameters alone. Nevertheless, the complex organ conversion coefficients presented in this report will be helpful for evaluating the radiation risk for large groups of people with various physiques.

  6. The `What is a system' reflection interview as a knowledge integration activity for high school students' understanding of complex systems in human biology

    NASA Astrophysics Data System (ADS)

    Tripto, Jaklin; Ben-Zvi Assaraf, Orit; Snapir, Zohar; Amit, Miriam

    2016-03-01

    This study examined the reflection interview as a tool for assessing and facilitating the use of 'systems language' amongst 11th grade students who have recently completed their first year of high school biology. Eighty-three students composed two concept maps in the 10th grade-one at the beginning of the school year and one at its end. The first part of the interview is dedicated to guiding the students through comparing their two concept maps and by means of both explicit and non-explicit teaching. Our study showed that the explicit guidance in comparing the two concept maps was more effective than the non-explicit, eliciting a variety of different, more specific, types of interactions and patterns (e.g. 'hierarchy', 'dynamism', 'homeostasis') in the students' descriptions of the human body system. The reflection interview as a knowledge integration activity was found to be an effective tool for assessing the subjects' conceptual models of 'system complexity', and for identifying those aspects of a system that are most commonly misunderstood.

  7. The Meaning of Grades.

    ERIC Educational Resources Information Center

    Teixeira, Serna E.

    1996-01-01

    Asserts that students see grades as an indicator of effort unconnected to the content of the course while teachers regard grades as a measure of achievement within a discipline. Discusses some of the current controversies and approaches concerning grades and how they relate to school reform. (MJP)

  8. [Grading of prostate cancer].

    PubMed

    Kristiansen, G; Roth, W; Helpap, B

    2016-07-01

    The current grading of prostate cancer is based on the classification system of the International Society of Urological Pathology (ISUP) following a consensus conference in Chicago in 2014. The foundations are based on the frequently modified grading system of Gleason. This article presents a brief description of the development to the current ISUP grading system.

  9. General Graded Response Model.

    ERIC Educational Resources Information Center

    Samejima, Fumiko

    This paper describes the graded response model. The graded response model represents a family of mathematical models that deal with ordered polytomous categories, such as: (1) letter grading; (2) an attitude survey with "strongly disagree, disagree, agree, and strongly agree" choices; (3) partial credit given in accord with an…

  10. Conversations about Grading

    ERIC Educational Resources Information Center

    Gullen, Kristine; Gullen, James; Erickson-Guy, Nickolas

    2012-01-01

    Grades often are determined by the unspoken values and beliefs of an autonomous teacher, but technology is making grading practices more transparent to parents, students, and educators. The ability to view the grade books of teachers who are teaching the same course in the same district is increasingly raising questions and challenges to what were…

  11. Gloucester Marine Biology Unit.

    ERIC Educational Resources Information Center

    Shearer, Sonja; And Others

    Objectives and activities for a field trip study of the seacoast environment of Gloucester, Massachusetts, are outlined in this guide. One phase of a six-week tenth grade biology unit, the field trip features study of tidal pool and salt marsh ecosystems. Specific objectives of the trip relate to observation and identification of various forms of…

  12. Biology=Sinh Vat.

    ERIC Educational Resources Information Center

    Hung, Nguyen Manh, Ed.

    This volume contains 32 biology self-study learning packets designed primarily for Indochinese students in grades 9 to 12. The materials could be used by "English as a Second Language" teachers who may/may not speak one of the Indochinese languages, or by mainstream teachers who have a number of low-English-proficiency Indochinese students in…

  13. Gloucester Marine Biology Unit.

    ERIC Educational Resources Information Center

    Shearer, Sonja; And Others

    Objectives and activities for a field trip study of the seacoast environment of Gloucester, Massachusetts, are outlined in this guide. One phase of a six-week tenth grade biology unit, the field trip features study of tidal pool and salt marsh ecosystems. Specific objectives of the trip relate to observation and identification of various forms of…

  14. Biology=Sinh Vat.

    ERIC Educational Resources Information Center

    Hung, Nguyen Manh, Ed.

    This volume contains 32 biology self-study learning packets designed primarily for Indochinese students in grades 9 to 12. The materials could be used by "English as a Second Language" teachers who may/may not speak one of the Indochinese languages, or by mainstream teachers who have a number of low-English-proficiency Indochinese students in…

  15. Assessment: How Do I "Grade" without Grades?

    ERIC Educational Resources Information Center

    Glazer, Susan Mandel

    1993-01-01

    Examines the A through F system of letter grades used in most schools, suggesting reasons why this framework is inadequate. Proposes a new assessment model which has children demonstrate that they can accomplish a given task on their own. (MDM)

  16. Duality for Graded Manifolds

    NASA Astrophysics Data System (ADS)

    Grabowski, Janusz; Jóźwikowski, Michał; Rotkiewicz, Mikołaj

    2017-08-01

    We study the notion of duality in the context of graded manifolds. For graded bundles, somehow like in the case of Gelfand representation and the duality: points vs. functions, we obtain natural dual objects which belong to a different category than the initial ones, namely graded polynomial (co)algebra bundles and free graded Weil (co)algebra bundles. Our results are then applied to obtain elegant characterizations of double vector bundles and graded bundles of degree 2. All these results have their supergeometric counterparts. For instance, we give a simple proof of a nice characterisation of N-manifolds of degree 2, announced in the literature.

  17. Positive predictive values of the International Classification of Diseases, 10th revision diagnoses of Gram-negative septicemia/sepsis and urosepsis for presence of Gram-negative bacteremia.

    PubMed

    Søgaard, Kirstine Kobberøe; Thomsen, Reimar Wernich; Schønheyder, Henrik Carl; Søgaard, Mette

    2015-01-01

    Health care databases are a valuable resource for infectious disease epidemiology if diagnoses are accurately coded. We examined the ability of diagnostic coding to accurately identify Gram-negative bacteremia. We randomly selected 100 patients among 1,703 patients recorded in the Danish National Patient Register with a diagnosis of either "septicemia/sepsis due to other Gram-negative organisms" (International Classification of Diseases, 10th revision [ICD-10] code A41.5) or "urosepsis" (ICD-10 code A41.9B) who had been admitted at Aalborg University Hospital, Denmark between 1994 and 2012. We estimated the positive predictive value (PPV) of these diagnoses for presence of Gram-negative bacteremia, using microbiological results from blood cultures as standard reference. Complementary clinical information was obtained from the medical records. Of the 100 patients registered with Gram-negative septicemia/sepsis or urosepsis, 72 had blood culture confirmed Gram-negative bacteremia, four patients had monomicrobial Gram-positive bacteremia, 21 patients had a negative blood culture, and three had no blood culture taken. The overall PPV of a blood culture confirmed Gram-negative bacteremia diagnosis was 72% (95% confidence interval [CI]: 62%-81%); for ICD-10 code A41.5 it was 86% (95% CI: 74%-94%) and for ICD-10 code A41.9B it was 55% (95% CI: 39%-70%). The highest PPV was achieved for diagnoses registered in the most recent calendar period (2009-2012) and for secondary discharge diagnoses. Our findings indicated good agreement between ICD-10 code A41.5 "septicemia/sepsis due to other Gram-negative organisms" and Gram-negative bacteremia, whereas ICD-10 code A41.9B "urosepsis" was not suited for identification of Gram-negative bacteremia.

  18. Positive predictive values of International Classification of Diseases, 10th revision codes for dermatologic events and hypersensitivity leading to hospitalization or emergency room visit among women with postmenopausal osteoporosis in the Danish and Swedish national patient registries

    PubMed Central

    Adelborg, Kasper; Christensen, Lotte Brix; Munch, Troels; Kahlert, Johnny; Trolle Lagerros, Ylva; Tell, Grethe S; Apalset, Ellen M; Xue, Fei; Ehrenstein, Vera

    2017-01-01

    Background Clinical epidemiology research studies, including pharmacoepidemiology and pharmacovigilance studies, use routinely collected health data, such as diagnoses recorded in national health and administrative registries, to assess clinical effectiveness and safety of treatments. We estimated positive predictive values (PPVs) of International Classification of Diseases, 10th revision (ICD-10) codes for primary diagnoses of dermatologic events and hypersensitivity recorded at hospitalization or emergency room visit in the national patient registries of Denmark and Sweden among women with postmenopausal osteoporosis (PMO). Methods This validation study included women with PMO identified from the Danish and Swedish national patient registries (2005–2014). Medical charts of the potential cases served as the gold standard for the diagnosis confirmation and were reviewed and adjudicated by physicians. Results We obtained and reviewed 189 of 221 sampled medical records (86%). The overall PPV was 92.4% (95% confidence interval [CI], 85.1%–96.3%) for dermatologic events, while the PPVs for bullous events and erythematous dermatologic events were 52.5% (95% CI, 37.5%–67.1%) and 12.5% (95% CI, 2.2%–47.1%), respectively. The PPV was 59.0% (95% CI, 48.3%–69.0%) for hypersensitivity; however, the PPV of hypersensitivity increased to 100.0% (95% CI, 67.6%–100.0%) when restricting to diagnostic codes for anaphylaxis. The overall results did not vary by country. Conclusion Among women with PMO, the PPV for any dermatologic event recorded as the primary diagnosis at hospitalization or at an emergency room visit was high and acceptable for epidemiologic research in the Danish and Swedish national patient registries. The PPV was substantially lower for hypersensitivity leading to hospitalization or emergency room visit.

  19. Positive predictive values of International Classification of Diseases, 10th revision codes for dermatologic events and hypersensitivity leading to hospitalization or emergency room visit among women with postmenopausal osteoporosis in the Danish and Swedish national patient registries.

    PubMed

    Adelborg, Kasper; Christensen, Lotte Brix; Munch, Troels; Kahlert, Johnny; Trolle Lagerros, Ylva; Tell, Grethe S; Apalset, Ellen M; Xue, Fei; Ehrenstein, Vera

    2017-01-01

    Clinical epidemiology research studies, including pharmacoepidemiology and pharmacovigilance studies, use routinely collected health data, such as diagnoses recorded in national health and administrative registries, to assess clinical effectiveness and safety of treatments. We estimated positive predictive values (PPVs) of International Classification of Diseases, 10th revision (ICD-10) codes for primary diagnoses of dermatologic events and hypersensitivity recorded at hospitalization or emergency room visit in the national patient registries of Denmark and Sweden among women with postmenopausal osteoporosis (PMO). This validation study included women with PMO identified from the Danish and Swedish national patient registries (2005-2014). Medical charts of the potential cases served as the gold standard for the diagnosis confirmation and were reviewed and adjudicated by physicians. We obtained and reviewed 189 of 221 sampled medical records (86%). The overall PPV was 92.4% (95% confidence interval [CI], 85.1%-96.3%) for dermatologic events, while the PPVs for bullous events and erythematous dermatologic events were 52.5% (95% CI, 37.5%-67.1%) and 12.5% (95% CI, 2.2%-47.1%), respectively. The PPV was 59.0% (95% CI, 48.3%-69.0%) for hypersensitivity; however, the PPV of hypersensitivity increased to 100.0% (95% CI, 67.6%-100.0%) when restricting to diagnostic codes for anaphylaxis. The overall results did not vary by country. Among women with PMO, the PPV for any dermatologic event recorded as the primary diagnosis at hospitalization or at an emergency room visit was high and acceptable for epidemiologic research in the Danish and Swedish national patient registries. The PPV was substantially lower for hypersensitivity leading to hospitalization or emergency room visit.

  20. Eighth Grade Marine Science; Resource Units.

    ERIC Educational Resources Information Center

    Butler, Edwin B.

    A resource unit on the marine sciences is described. Designed for eighth-grade students with some basic science background, the unit can be taught in a minimum of four weeks. Content includes emphasis on the biological, chemical, and physical sciences. Each lesson contains objectives, goals, materials, and follow-up activities (often an…

  1. Connections: Ocean Environments. Unit Grade 5.

    ERIC Educational Resources Information Center

    Ney, Catherine R.

    Ocean Environments for Grade 5 is a 12-week interdisciplinary ocean environmental unit designed for teachers to use with their students. The unit emphasizes investigation and understanding of our ocean environments, including their geological, physical, and biological characteristics. It also stresses awareness of public policy decisions related…

  2. 10th Annual Schering Symposium. Adolescence: The Transition Years. Presented at the 55th Annual Convention of the American School Health Association. Friday, October 16, 1981. Washington, D.C.

    ERIC Educational Resources Information Center

    Coates, Thomas J.; And Others

    1982-01-01

    Three papers presented at American School Health Association Conference (1981) addressed: adolescent problem behavior and developmental transitions (Richard Jessor); social adaptation in the first grade and its predictive value for teenage drug use (Sheppard G. Kellam, C. Hendricks Brown, and John P. Fleming); and designing health promotion…

  3. Genomic Grade Index: An important tool for assessing breast cancer tumor grade and prognosis.

    PubMed

    Metzger Filho, Otto; Ignatiadis, Michail; Sotiriou, Christos

    2011-01-01

    Different multi-gene expression signatures have been shown to outperform classic histopathologic variables and therefore represent an important step towards personalizing breast cancer treatment. In particular, gene profiles overcome many of the limitations observed with classic histopathologic variables. The Genomic Grade Index (GGI) is a gene expression signature developed to better define histologic grade assessment. GGI divides classic histologic grade into low and high risk, instead of grades 1, 2 and 3. The ability of GGI to predict response to chemotherapy and separate hormone receptor positive breast cancer subtypes has also been demonstrated. This article critically reviews the limitations inherent in classic histologic grade evaluation; it also reviews the process of gene signature development in general and then focuses on GGI, its biologic significance, comparison with different gene signatures, and its applicability to clinical practise.

  4. A Simple Alternative to Grading

    ERIC Educational Resources Information Center

    Potts, Glenda

    2010-01-01

    In this article, the author investigates whether an alternative grading system (contract grading) would yield the same final grades as traditional grading (letter grading), and whether or not it would be accepted by students. The author states that this study demonstrated that contract grading was widely, and for the most part, enthusiastically…

  5. PIALA 2000: Libraries and Archives--Where Information and Language Literacy Begin [and] Engaged Readers and Writers in Multicultural Island Communities. Selected Papers from the 10th Pacific Islands Association of Libraries and Archives Conference Joint with the 13th Annual Regional Language Arts Conference (Tumon, Guam, November 9-11, 2000)

    ERIC Educational Resources Information Center

    Cohen, Arlene, Ed.; Quan, Clarisa G., Ed.

    2004-01-01

    This proceedings combines presentations from the jointly held 10th Annual PIALA 2000 Conference and the 13th Annual Regional Language Arts Conference. The volume begins with the welcoming remarks of Mary L. Silk, Christine Ku Scott-Smith, Antonio R. Umpingco, Delia Munoz Rosal, Lawrence Kasperbauer, Rosie Tainatongo, Richard S. Tom, Mary L.…

  6. Rethinking Science and Technology Education To Meet the Demands of Future Generations in a Changing World. International Organization for Science and Technology Education (IOSTE) Symposium Proceedings (10th, Foz do Iguacu, Parana, Brazil, July 28-August 2, 2002). Volumes I [and] II.

    ERIC Educational Resources Information Center

    Bizzo, Nelio, Ed.; Kawasaki, Clarice Sumi, Ed.; Ferracioli, Laercio, Ed.; Leyser da Rosa, Vivian, Ed.

    This document is the proceedings of the 10th annual meeting of the International Organization for Science and Technology Education (IOSTE). Papers include: (1) "Liberal Education, Information Assessment and Argumentation in Science-LIA" (Andreas Quale, Anders Isnes, Terje Kristensen, and Ketil Mathiassen); (2) "Placing the History…

  7. Ways of incorporating photographic images in learning and assessing high school biology: A study of visual perception and visual cognition

    NASA Astrophysics Data System (ADS)

    Nixon, Brenda Chaumont

    This study evaluated the cognitive benefits and costs of incorporating biology-textbook and student-generated photographic images into the learning and assessment processes within a 10th grade biology classroom. The study implemented Wandersee's (2000) 20-Q Model of Image-Based Biology Test-Item Design (20-Q Model) to explore the use of photographic images to assess students' understanding of complex biological processes. A thorough review of the students' textbook using ScaleMaster R with PC Interface was also conducted. The photographs, diagrams, and other representations found in the textbook were measured to determine the percentage of each graphic depicted in the book and comparisons were made to the text. The theoretical framework that guided the research included Human Constructivist tenets espoused by Mintzes, Wandersee and Novak (2000). Physiological and cognitive factors of images and image-based learning as described by Robin (1992), Solso (1997) and Wandersee (2000) were examined. Qualitative case study design presented by Yin (1994), Denzin and Lincoln (1994) was applied and data were collected through interviews, observations, student activities, student and school artifacts and Scale Master IIRTM measurements. The results of the study indicate that although 24% of the high school biology textbook is devoted to photographic images which contribute significantly to textbook cost, the teacher and students paid little attention to photographic images other than as aesthetic elements for creating biological ambiance, wasting valuable opportunities for learning. The analysis of the photographs corroborated findings published by the Association American Association for the Advancement of Science that indicated "While most of the books are lavishly illustrated, these representations are rarely helpful, because they are too abstract, needlessly complicated, or inadequately explained" (Roseman, 2000, p. 2). The findings also indicate that applying the 20-Q

  8. Comparative Effects of Various High School Biology Course-Content Backgrounds on Achievement in College Biology.

    ERIC Educational Resources Information Center

    Garrett, Gordon Ronald

    The purposes of this study are (1) to determine whether college students who have taken Biological Sciences Curriculum Study (BSCS) High School Biology attain significantly different grades in college biology courses at the University of Missouri than do college students who have taken a non-BSCS high school biology course, and (2) to determine if…

  9. Comparative Effects of Various High School Biology Course-Content Backgrounds on Achievement in College Biology.

    ERIC Educational Resources Information Center

    Garrett, Gordon Ronald

    The purposes of this study are (1) to determine whether college students who have taken Biological Sciences Curriculum Study (BSCS) High School Biology attain significantly different grades in college biology courses at the University of Missouri than do college students who have taken a non-BSCS high school biology course, and (2) to determine if…

  10. Proceedings of the Annual Environmental Systems Symposium (10th) on Management and Control of Toxic and Hazardous Materials at Military Installations Held in Charleston, South Carolina on 16-17 October 1979

    DTIC Science & Technology

    1979-01-01

    hazardous material management, including: o Procurement, o Production , o Research and Development, o Transportation, o Storage, o Worksite use, and o... materials , such as lead and beryllium, as well as consercial industrial products and reagent grade chemicals for use throughout the DoD complex. When...the total output of a~ll manufactures in the world sell a quantity of product less than that needed to perform .. all the studies needed in the

  11. Skill Schemes: Sixth Grade.

    ERIC Educational Resources Information Center

    Kempf, Jerry

    The sixth grade instructional unit, part of a field-tested grade school level career education series, is designed to assist learners in understanding how present experiences relate to past and future ones. Before the main body of the lessons is described, field testing results are reported and key items are presented: the concepts, the estimated…

  12. Earth Science, Grade 7.

    ERIC Educational Resources Information Center

    Buffalo Public Schools, NY.

    GRADES OR AGES: Grade 7. SUBJECT MATTER: Earth science. ORGANIZATION AND PHYSICAL APPEARANCE: The introductory material suggests a time schedule for the major units and gives details of the reference materials referred to in the text. The main text is presented in four columns: topical outline, basic understandings, suggested activities and…

  13. Beef grading by ultrasound

    NASA Technical Reports Server (NTRS)

    Gammell, P. M.

    1981-01-01

    Reflections in ultrasonic A-scan signatures of beef carcasses indicate USDA grade. Since reflections from within muscle are determined primarily by fat/muscle interface, richness of signals is direct indication of degree of marbling and quality. Method replaces subjective sight and feel tests by individual graders and is applicable to grade analysis of live cattle.

  14. Middle Grades Ideas.

    ERIC Educational Resources Information Center

    Classroom Computer Learning, 1985

    1985-01-01

    Presents a collection of computer-oriented teaching activities for the middle grades. They focus on Logo activities to sharpen visualization skills, use of spreadsheets, various uses of Apple microcomputer paddles, and writing a program from program output. All activities may be adapted for lower or higher grade levels. (JN)

  15. Science. Grades K-6.

    ERIC Educational Resources Information Center

    North Carolina State Dept. of Public Instruction, Raleigh.

    GRADES OR AGES: Kindergarten--grade 6. SUBJECT MATTER: Science. ORGANIZATION AND PHYSICAL APPEARANCE: The introductory section deals with objectives, scope, sequences, and units. The main body of the guide deals with activities and lists materials, with illustrations. The guide is offset printed and bound with a soft cover. OBJECTIVES AND…

  16. Controlling Grade Inflation

    ERIC Educational Resources Information Center

    Stanoyevitch, Alexander

    2008-01-01

    In this article concerning grade inflation, the author restricts his attention to the college and university level, although many of the tools and ideas developed here should be useful for high schools as well. The author considers the relationships between grades instructors assign and scores they receive on end-of-the semester student…

  17. Third Grade Reading Policies

    ERIC Educational Resources Information Center

    Rose, Stephanie

    2012-01-01

    In 2012, 14 states passed legislation geared toward improving 3rd-grade literacy through identification, intervention, and/or retention initiatives. Today, a total of 32 states and the District of Columbia have policies in statute aimed at improving 3rd-grade reading proficiency. The majority of these states require early assessment and…

  18. Middle Grades Ideas.

    ERIC Educational Resources Information Center

    Classroom Computer Learning, 1985

    1985-01-01

    Presents a collection of computer-oriented teaching activities for the middle grades. They focus on Logo activities to sharpen visualization skills, use of spreadsheets, various uses of Apple microcomputer paddles, and writing a program from program output. All activities may be adapted for lower or higher grade levels. (JN)

  19. Beef grading by ultrasound

    NASA Technical Reports Server (NTRS)

    Gammell, P. M.

    1981-01-01

    Reflections in ultrasonic A-scan signatures of beef carcasses indicate USDA grade. Since reflections from within muscle are determined primarily by fat/muscle interface, richness of signals is direct indication of degree of marbling and quality. Method replaces subjective sight and feel tests by individual graders and is applicable to grade analysis of live cattle.

  20. Grades out, Badges in

    ERIC Educational Resources Information Center

    Young, Jeffrey R.

    2012-01-01

    Grades are broken. Students grub for them, pick classes where good ones come easily, and otherwise hustle to win the highest scores for the least learning. As a result, college grades are inflated to the point of meaninglessness--especially to employers who want to know which diploma-holder is best qualified for their jobs. An alternative is to…

  1. Making Grades More Meaningful

    ERIC Educational Resources Information Center

    Hochbein, Craig; Pollio, Marty

    2016-01-01

    To expand and improve evidence of grading practices, we seized an opportunity presented by the implementation of standards-based grading practices at 11 high schools in Jefferson County Public Schools in Louisville, Ky. These high-needs schools faced substantial sanctions outlined by recently revised federal and state policies unless they made…

  2. The Grades Game

    ERIC Educational Resources Information Center

    Fleenor, Andy; Lamb, Sarah; Anton, Jennifer; Stinson, Todd; Donen, Tony

    2011-01-01

    It can be quite alarming (and eye-opening) to see exactly how many of the grades students receive are based on their behaviors rather than their learning. Students should be assessed on what they know and can use rather than on their behavior. The reality, unfortunately, is that the opposite is often the case. Grades for students who work hard are…

  3. Classroom: Efficient Grading

    ERIC Educational Resources Information Center

    Shaw, David D.; Pease, Leonard F., III.

    2014-01-01

    Grading can be accelerated to make time for more effective instruction. This article presents specific time management strategies selected to decrease administrative time required of faculty and teaching assistants, including a multiple answer multiple choice interface for exams, a three-tier grading system for open ended problem solving, and a…

  4. Grain Grading and Handling.

    ERIC Educational Resources Information Center

    Rendleman, Matt; Legacy, James

    This publication provides an introduction to grain grading and handling for adult students in vocational and technical education programs. Organized in five chapters, the booklet provides a brief overview of the jobs performed at a grain elevator and of the techniques used to grade grain. The first chapter introduces the grain industry and…

  5. Growing beyond Grades

    ERIC Educational Resources Information Center

    Perchemlides, Natalia; Coutant, Carolyn

    2004-01-01

    Once students are asked to assess their own writing progress, they will begin to do their best for writing great prose instead of just great grades. Teachers will have to create a grade-free zone, allow students to set their own writing goals, provide a common language such as the Six Traits Model, and provide evaluation and instructional models…

  6. Controlling Grade Inflation

    ERIC Educational Resources Information Center

    Stanoyevitch, Alexander

    2008-01-01

    In this article concerning grade inflation, the author restricts his attention to the college and university level, although many of the tools and ideas developed here should be useful for high schools as well. The author considers the relationships between grades instructors assign and scores they receive on end-of-the semester student…

  7. What Is Fifth Grade?

    ERIC Educational Resources Information Center

    O'Brien, Thomas C.; Wallach, Christine

    2006-01-01

    One of the most consistent regularities observers would see in schools is the grouping of children by grade. The authors' work with schoolchildren causes them to ask, what is a grade beyond a group of children at a particular age? In this article, the authors share a glimpse of an activity involving inference and logical necessity that they…

  8. Are Grades Undermining Motivation?

    ERIC Educational Resources Information Center

    Berliner, David; Casanova, Ursula

    1988-01-01

    A study of fifth and sixth grade public school students in Israel suggests that grades and other norm-referenced methods are less effective than task-involving evaluation methods in enhancing student performance, interest, and motivation. This article consists of two commentaries on the findings, with suggestions for implementing task-involving…

  9. Pallet part grading trainer

    Treesearch

    Deborah F. Cook; Philip A. Araman; Matthew F. Winn

    2000-01-01

    A computerized pallet grading training system was developed to facilitate the production of higher quality pallets. Higher quality pallets would be more durable and could be re-used many times, resulting in long-term savings. Schmoldt et al. (1993) evaluated the economic impact of grading and sorting pallet parts. They determined that higher quality pallets produced by...

  10. Classroom: Efficient Grading

    ERIC Educational Resources Information Center

    Shaw, David D.; Pease, Leonard F., III.

    2014-01-01

    Grading can be accelerated to make time for more effective instruction. This article presents specific time management strategies selected to decrease administrative time required of faculty and teaching assistants, including a multiple answer multiple choice interface for exams, a three-tier grading system for open ended problem solving, and a…

  11. Making Grades More Meaningful

    ERIC Educational Resources Information Center

    Hochbein, Craig; Pollio, Marty

    2016-01-01

    To expand and improve evidence of grading practices, we seized an opportunity presented by the implementation of standards-based grading practices at 11 high schools in Jefferson County Public Schools in Louisville, Ky. These high-needs schools faced substantial sanctions outlined by recently revised federal and state policies unless they made…

  12. Third Grade Reading Policies

    ERIC Educational Resources Information Center

    Rose, Stephanie

    2012-01-01

    In 2012, 14 states passed legislation geared toward improving 3rd-grade literacy through identification, intervention, and/or retention initiatives. Today, a total of 32 states and the District of Columbia have policies in statute aimed at improving 3rd-grade reading proficiency. The majority of these states require early assessment and…

  13. Upper Grades Ideas.

    ERIC Educational Resources Information Center

    Classroom Computer Learning, 1985

    1985-01-01

    Describes computer-oriented teaching activities for the upper grades. They focus on the use of databases in history classes, checking taxes, examining aspects of the joystick button on Atari microcomputers, printing control using Logo, and a Logo program that draws whirling squares. All activities can be adapted for lower grades. (JN)

  14. Teaching Middle Grades Science.

    ERIC Educational Resources Information Center

    Georgia State Dept. of Education, Atlanta. Office of Instructional Services.

    Background information and exemplary units for teaching science in Georgia's middle school grades are provided. Discussed in the first section are: (1) the rationale for including science in middle school grades, focusing on science/society/technology, science/social issues, scientific reasoning, and scientific literacy; (2) role of science…

  15. Secondary Principals' Perceptions of Grading and Grade Reporting Practices

    ERIC Educational Resources Information Center

    Akins, Jeremie

    2016-01-01

    Effective grading practices in the classroom as well as reporting practices such as standards-based grading (SBG) is one way to report learning (Marzano, 2010). The focus of this particular study was to address alternative ways to tackle the issue of grading and grade reporting in comparison to the traditional grading methods. Specifically, this…

  16. Five Obstacles to Grading Reform

    ERIC Educational Resources Information Center

    Guskey, Thomas R.

    2011-01-01

    Educators seeking to reform grading must combat five long-held traditions that stand as formidable obstacles to change: (1) Grades should provide the basis for differentiating students; (2) grade distributions should resemble a bell-shaped curve; (3) grades should be based on students' standing among classmates; (4) poor grades prompt students to…

  17. Paperless Grades and Faculty Development.

    ERIC Educational Resources Information Center

    Hardy, James C.; Jones, Dennis; Turner, Sandy

    2003-01-01

    Provides overview of process of switching from paper-based grade reporting to computer-based grading. Authors found that paperless grading decreased number of errors, made student access more immediate, and reduced costs incurred by purchasing and storing grade-scanning sheets. Authors also argue that direct entry grading encourages faculty to…

  18. Five Obstacles to Grading Reform

    ERIC Educational Resources Information Center

    Guskey, Thomas R.

    2011-01-01

    Educators seeking to reform grading must combat five long-held traditions that stand as formidable obstacles to change: (1) Grades should provide the basis for differentiating students; (2) grade distributions should resemble a bell-shaped curve; (3) grades should be based on students' standing among classmates; (4) poor grades prompt students to…

  19. View of Highway 120 at Priest Grade. Old Priest Grade ...

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

    View of Highway 120 at Priest Grade. Old Priest Grade seen at left distance. New Priest Grade at center and right distance. Looking west - Big Oak Flat Road, Between Big Oak Flat Entrance & Merced River, Yosemite Village, Mariposa County, CA

  20. Tumor tissue protein signatures reflect histological grade of breast cancer

    PubMed Central

    Skoog, Petter; Ohlsson, Mattias; Fernö, Mårten; Rydén, Lisa; Borrebaeck, Carl A. K.

    2017-01-01

    Histological grade is one of the most commonly used prognostic factors for patients diagnosed with breast cancer. However, conventional grading has proven technically challenging, and up to 60% of the tumors are classified as histological grade 2, which represents a heterogeneous cohort less informative for clinical decision making. In an attempt to study and extend the molecular puzzle of histologically graded breast cancer, we have in this pilot project searched for additional protein biomarkers in a new space of the proteome. To this end, we have for the first time performed protein expression profiling of breast cancer tumor tissue, using recombinant antibody microarrays, targeting mainly immunoregulatory proteins. Thus, we have explored the immune system as a disease-specific sensor (clinical immunoproteomics). Uniquely, the results showed that several biologically relevant proteins reflecting histological grade could be delineated. In more detail, the tentative biomarker panels could be used to i) build a candidate model classifying grade 1 vs. grade 3 tumors, ii) demonstrate the molecular heterogeneity among grade 2 tumors, and iii) potentially re-classify several of the grade 2 tumors to more like grade 1 or grade 3 tumors. This could, in the long-term run, lead to improved prognosis, by which the patients could benefit from improved tailored care. PMID:28650989

  1. Tumor tissue protein signatures reflect histological grade of breast cancer.

    PubMed

    Skoog, Petter; Ohlsson, Mattias; Fernö, Mårten; Rydén, Lisa; Borrebaeck, Carl A K; Wingren, Christer

    2017-01-01

    Histological grade is one of the most commonly used prognostic factors for patients diagnosed with breast cancer. However, conventional grading has proven technically challenging, and up to 60% of the tumors are classified as histological grade 2, which represents a heterogeneous cohort less informative for clinical decision making. In an attempt to study and extend the molecular puzzle of histologically graded breast cancer, we have in this pilot project searched for additional protein biomarkers in a new space of the proteome. To this end, we have for the first time performed protein expression profiling of breast cancer tumor tissue, using recombinant antibody microarrays, targeting mainly immunoregulatory proteins. Thus, we have explored the immune system as a disease-specific sensor (clinical immunoproteomics). Uniquely, the results showed that several biologically relevant proteins reflecting histological grade could be delineated. In more detail, the tentative biomarker panels could be used to i) build a candidate model classifying grade 1 vs. grade 3 tumors, ii) demonstrate the molecular heterogeneity among grade 2 tumors, and iii) potentially re-classify several of the grade 2 tumors to more like grade 1 or grade 3 tumors. This could, in the long-term run, lead to improved prognosis, by which the patients could benefit from improved tailored care.

  2. Functionally graded boron carbide

    SciTech Connect

    Petrovic, J.J.; McClellan, K.J.; Kise, C.D.; Hoover, R.C.; Scarborough, W.K.

    1998-12-31

    Lightweight body armor is important for the protection of US soldiers in the field. Here, fabrication techniques were developed for producing graded porosity B{sub 4}C, and for producing aluminum-B{sub 4}C and epoxy-B{sub 4}C functionally graded materials. The key fabrication aspect was obtaining the graded porosity B{sub 4}C. The feasibility of producing graded porosity B{sub 4}C using a grading of carbon densification aid produced from a gradient of furfuryl alcohol carbon precursor was demonstrated. This approach is quite promising, but it was not optimized in the present investigation. Graded porosity B{sub 4}C materials were produced by a layering approach using different size distributions of B{sub 4}C powders in the green state, and then densifying the layered assembly by hot pressing at 1,900 C. The hardness of uninfiltrated graded B{sub 4}C, aluminum infiltrated B{sub 4}C, and epoxy infiltrated B{sub 4}C was observed to be similar.

  3. Grading for Understanding - Standards-Based Grading

    NASA Astrophysics Data System (ADS)

    Zimmerman, Todd

    2017-01-01

    Standards-based grading (SBG), sometimes called learning objectives-based assessment (LOBA), is an assessment model that relies on students demonstrating mastery of learning objectives (sometimes referred to as standards). The goal of this grading system is to focus students on mastering learning objectives rather than on accumulating points. I have used SBG in an introductory physics course for the past five years and worked with several physics faculty members to implement SBG in the first and second semester of algebra-based and calculus-based introductory physics courses at a primarily undergraduate comprehensive public university with class sizes of 48 students. In this article I will discuss methods for implementing SBG in a physics class.

  4. Nebraska Science Standards: Grades K-12

    ERIC Educational Resources Information Center

    Nebraska Department of Education, 2010

    2010-01-01

    This publication presents the Nebraska Science Standards for Grades K-12. The standards are presented according to the following grades: (1) Grades K-2; (2) Grades 3-5; (3) Grades 6-8; and (4) Grades 9-12.

  5. Trajectories of internalizing, externalizing, and grades for children who have and have not experienced their parents' divorce or separation.

    PubMed

    Lansford, Jennifer E; Malone, Patrick S; Castellino, Domini R; Dodge, Kenneth A; Pettit, Gregory S; Bates, John E

    2006-06-01

    This study examined whether the occurrence and timing of parental separation or divorce was related to trajectories of academic grades and mother- and teacher-reported internalizing and externalizing problems. The authors used hierarchical linear models to estimate trajectories for children who did and did not experience their parents' divorce or separation in kindergarten through 10th grade (N = 194). A novel approach to analyzing the timing of divorce/separation was adopted, and trajectories were estimated from 1 year prior to the divorce/separation to 3 years after the event. Results suggest that early parental divorce/separation is more negatively related to trajectories of internalizing and externalizing problems than is later divorce/separation, whereas later divorce/separation is more negatively related to grades. One implication of these findings is that children may benefit most from interventions focused on preventing internalizing and externalizing problems, whereas adolescents may benefit most from interventions focused on promoting academic achievement.

  6. Trajectories of Internalizing, Externalizing, and Grades for Children Who Have and Have Not Experienced Their Parents' Divorce or Separation

    PubMed Central

    Lansford, Jennifer E.; Malone, Patrick S.; Castellino, Domini R.; Dodge, Kenneth A.; Pettit, Gregory S.; Bates, John E.

    2009-01-01

    This study examined whether the occurrence and timing of parental separation or divorce was related to trajectories of academic grades and mother- and teacher-reported internalizing and externalizing problems. The authors used hierarchical linear models to estimate trajectories for children who did and did not experience their parents' divorce or separation in kindergarten through 10th grade (N = 194). A novel approach to analyzing the timing of divorce/separation was adopted, and trajectories were estimated from 1 year prior to the divorce/separation to 3 years after the event. Results suggest that early parental divorce/separation is more negatively related to trajectories of internalizing and externalizing problems than is later divorce/separation, whereas later divorce/separation is more negatively related to grades. One implication of these findings is that children may benefit most from interventions focused on preventing internalizing and externalizing problems, whereas adolescents may benefit most from interventions focused on promoting academic achievement. PMID:16756405

  7. Assigning Grades More Fairly

    ERIC Educational Resources Information Center

    Cheshier, Stephen R.

    1975-01-01

    Describes a simplified method for converting raw scores to standard scores and transforming them to "T-scores" for easy comparison of performance. Obtaining letter grades from T-scores is discussed. A reading list is included. (GH)

  8. Gleason grading system

    MedlinePlus

    ... of Prostatic Neoplasia. In: Wein AJ, Kavoussi LR, Partin AW, Peters CA, eds. Campbell-Walsh Urology . 11th ... nih.gov/pubmed/26956509 . Pierorazio PM, Walsh PC, Partin AW, Epstein JI. Prognostic Gleason grade grouping: data ...

  9. The calibration of photographic and spectroscopic films: The response of 2aO film to small dosages of alpha particles from 3/10th's rad to 8 rads at energy levels 153 MeV, 79 MeV and 47 MeV

    NASA Technical Reports Server (NTRS)

    Hammond, E. C., Jr.; Peters, Kevin; Stober, AL

    1984-01-01

    The 2aO film, pre-exposed to a series of neutral density filters which on development under standard conditions will produce the standard H-D curve for that film, were then exposed to Alpha paricles with a dose range of 3/10ths rads to 8 rads while varying the energy of the particles using 153 MeV, 70 MeV, and 47 MeV, respectively. An analysis of the film shows that the 3/10th rad dose produces the lowest optical density changes at 70 MeV and 47 MeV. While the optical density readings for the darker patterns seem to oscillate and decrease when exposed to radiation dosages of 3/10th rads to 8 rads.

  10. Biological and clinical evidence for somatic mutations in BRCA1 and BRCA2 as predictive markers for olaparib response in high-grade serous ovarian cancers in the maintenance setting.

    PubMed

    Dougherty, Brian A; Lai, Zhongwu; Hodgson, Darren R; Orr, Maria C M; Hawryluk, Matthew; Sun, James; Yelensky, Roman; Spencer, Stuart K; Robertson, Jane D; Ho, Tony W; Fielding, Anitra; Ledermann, Jonathan A; Barrett, J Carl

    2017-07-04

    To gain a better understanding of the role of somatic mutations in olaparib response, next-generation sequencing (NGS) of BRCA1 and BRCA2 was performed as part of a planned retrospective analysis of tumors from a randomized, double-blind, Phase II trial (Study 19; D0810C00019; NCT00753545) in 265 patients with platinum-sensitive high-grade serous ovarian cancer. BRCA1/2 loss-of-function mutations were found in 55% (114/209) of tumors, were mutually exclusive, and demonstrated high concordance with Sanger-sequenced germline mutations in matched blood samples, confirming the accuracy (97%) of tumor BRCA1/2 NGS testing. Additionally, NGS identified somatic mutations absent from germline testing in 10% (20/209) of the patients. Somatic mutations had >80% biallelic inactivation frequency and were predominantly clonal, suggesting that BRCA1/2 loss occurs early in the development of these cancers. Clinical outcomes between placebo- and olaparib-treated patients with somatic BRCA1/2 mutations were similar to those with germline BRCA1/2 mutations, indicating that patients with somatic BRCA1/2 mutations benefit from treatment with olaparib.

  11. Yoga May Mitigate Decreases in High School Grades

    PubMed Central

    Butzer, Bethany; van Over, Max; Noggle Taylor, Jessica J.; Khalsa, Sat Bir S.

    2015-01-01

    This study involves an exploratory examination of the effects of a 12-week school-based yoga intervention on changes in grade point average (GPA) in 9th and 10th grade students. Participants included 95 high school students who had registered for physical education (PE) in spring 2010. PE class sections were group randomized to receive either a yoga intervention or a PE-as-usual control condition. The yoga intervention took place during the entire third quarter and half of the fourth quarter of the school year, and quarterly GPA was collected via school records at the end of the school year. Results revealed a significant interaction between group and quarter suggesting that GPA differed between the yoga and control groups over time. Post hoc tests revealed that while both groups exhibited a general decline in GPA over the school year, the control group exhibited a significantly greater decline in GPA from quarter 1 to quarter 3 than the yoga group. Both groups showed equivalent declines in GPA in quarter 4 after the yoga intervention had ended. The results suggest that yoga may have a protective effect on academic performance by preventing declines in GPA; however these preventive effects may not persist once yoga practice is discontinued. PMID:26347787

  12. All biology is computational biology.

    PubMed

    Markowetz, Florian

    2017-03-01

    Here, I argue that computational thinking and techniques are so central to the quest of understanding life that today all biology is computational biology. Computational biology brings order into our understanding of life, it makes biological concepts rigorous and testable, and it provides a reference map that holds together individual insights. The next modern synthesis in biology will be driven by mathematical, statistical, and computational methods being absorbed into mainstream biological training, turning biology into a quantitative science.

  13. All biology is computational biology

    PubMed Central

    2017-01-01

    Here, I argue that computational thinking and techniques are so central to the quest of understanding life that today all biology is computational biology. Computational biology brings order into our understanding of life, it makes biological concepts rigorous and testable, and it provides a reference map that holds together individual insights. The next modern synthesis in biology will be driven by mathematical, statistical, and computational methods being absorbed into mainstream biological training, turning biology into a quantitative science. PMID:28278152

  14. NABS Program: (Native Americans in Biological Science).

    ERIC Educational Resources Information Center

    Gettys, Nancy, Comp.

    1994-01-01

    Describes the four-week summer program of the Native Americans in Biological Sciences Program that engages Native American eighth- and ninth-grade students in studying the problems related to the waste water treatment plant in Cushing, Oklahoma. (MDH)

  15. NABS Program: (Native Americans in Biological Science).

    ERIC Educational Resources Information Center

    Gettys, Nancy, Comp.

    1994-01-01

    Describes the four-week summer program of the Native Americans in Biological Sciences Program that engages Native American eighth- and ninth-grade students in studying the problems related to the waste water treatment plant in Cushing, Oklahoma. (MDH)

  16. How Consistent Are Course Grades? An Examination of Differential Grading

    ERIC Educational Resources Information Center

    Rauschenberg, Samuel

    2014-01-01

    Differential grading occurs when students in courses with the same content and curriculum receive inconsistent grades across teachers, schools, or districts. It may be due to many factors, including differences in teacher grading standards, district grading policies, student behavior, teacher stereotypes, teacher quality, and curriculum adherence.…

  17. Measuring grade inflation: a clinical grade discrepancy score.

    PubMed

    Paskausky, Anna L; Simonelli, M Colleen

    2014-08-01

    Grade inflation presents pedagogical and safety concerns for nursing educators and is defined as a "greater percentage of excellent scores than student performances warrant" (Speer et al., 2000, p. 112). This descriptive correlational study evaluated the relationship of licensure exam-style final written exams and faculty assigned clinical grades from undergraduate students (N = 281) for evidence of grade inflation at a private undergraduate nursing program in the Northeast of the United States and developed a new measurement of grade inflation, the clinical grade discrepancy score. This measurement can be used in programs where clinical competency is graded on a numeric scale. Evidence suggested grade inflation was present and the clinical grade discrepancy score was an indicator of the severity of grade inflation. The correlation between licensure-style final written exams and faculty assigned clinical grades was moderate to low at 0.357. The clinical grade discrepancy scores were 98% positive indicating likely grade inflation. Some 70% of clinical grade discrepancy scores indicated a difference of student licensure-style final written exams and faculty assigned clinical grades of at least one full letter grade (10 points out of 100). Use of this new measure as a tool in exploring the prevalence of grade inflation and implications for patient safety are discussed.

  18. Grading Leniency, Grade Discrepancy, and Student Ratings of Instruction

    ERIC Educational Resources Information Center

    Griffin, Bryan W.

    2004-01-01

    The purpose of this study was to examine how grading leniency and grade discrepancy (the difference between expected grades and deserved grades) were associated with various dimensions of student ratings of instruction. A sample of 754 undergraduate college students completed a student ratings of instruction instrument and provided responses to a…

  19. Fabrication of Minerals Substituted Porous Hydroxyapaptite/Poly(3,4-ethylenedioxy pyrrole-co-3,4-ethylenedioxythiophene) Bilayer Coatings on Surgical Grade Stainless Steel and Its Antibacterial and Biological Activities for Orthopedic Applications.

    PubMed

    Subramani, Ramya; Elangomannan, Shinyjoy; Louis, Kavitha; Kannan, Soundarapandian; Gopi, Dhanaraj

    2016-05-18

    Current strategies of bilayer technology have been aimed mainly at the enhancement of bioactivity, mechanical property and corrosion resistance. In the present investigation, the electropolymerization of poly(3,4-ethylenedioxypyrrole-co-3,4-ethylenedioxythiophene) (P(EDOP-co-EDOT)) with various feed ratios of EDOP/EDOT on surgical grade stainless steel (316L SS) and the successive electrodeposition of strontium (Sr(2+)), magnesium (Mg(2+)) and cerium (Ce(3+)) (with 0.05, 0.075 and 0.1 M Ce(3+)) substituted porous hydroxyapatite (M-HA) are successfully combined to produce the bioactive and corrosion resistance P(EDOP-co-EDOT)/M-HA bilayer coatings for orthopedic applications. The existence of as-developed coatings was confirmed by Fourier transform-infrared spectroscopy (FT-IR), X-ray diffraction (XRD), proton nuclear magnetic resonance spectroscopy ((1)H NMR), high resolution scanning electron microscopy (HRSEM), energy dispersive X-ray analysis (EDAX) and atomic force microscopy (AFM). Also, the mechanical and thermal behavior of the bilayer coatings were analyzed. The corrosion resistance of the as-developed coatings and also the influence of copolymer (EDOP:EDOT) feed ratio were studied in Ringer's solution by electrochemical techniques. The as-obtained results are in accord with those obtained from the chemical analysis using inductively coupled plasma atomic emission spectrometry (ICP-AES). In addition, the antibacterial activity, in vitro bioactivity, cell viability and cell adhesion tests were performed to substantiate the biocompatibility of P(EDOP-co-EDOT)/M-HA bilayer coatings. On account of these investigations, it is proved that the as-developed bilayer coatings exhibit superior bioactivity and improved corrosion resistance over 316L SS, which is potential for orthopedic applications.

  20. Subchondral bone histology and grading in osteoarthritis

    PubMed Central

    Aho, Olli-Matti; Finnilä, Mikko; Thevenot, Jerome; Saarakkala, Simo; Lehenkari, Petri

    2017-01-01

    Objective Osteoarthritis (OA) has often regarded as a disease of articular cartilage only. New evidence has shifted the paradigm towards a system biology approach, where also the surrounding tissue, especially bone is studied more vigorously. However, the histological features of subchondral bone are only poorly characterized in current histological grading scales of OA. The aim of this study is to specifically characterize histological changes occurring in subchondral bone at different stages of OA and propose a simple grading system for them. Design 20 patients undergoing total knee replacement surgery were randomly selected for the study and series of osteochondral samples were harvested from the tibial plateaus for histological analysis. Cartilage degeneration was assessed using the standardized OARSI grading system, while a novel four-stage grading system was developed to illustrate the changes in subchondral bone. Subchondral bone histology was further quantitatively analyzed by measuring the thickness of uncalcified and calcified cartilage as well as subchondral bone plate. Furthermore, internal structure of calcified cartilage-bone interface was characterized utilizing local binary patterns (LBP) based method. Results The histological appearance of subchondral bone changed drastically in correlation with the OARSI grading of cartilage degeneration. As the cartilage layer thickness decreases the subchondral plate thickness and disorientation, as measured with LBP, increases. Calcified cartilage thickness was highest in samples with moderate OA. Conclusion The proposed grading system for subchondral bone has significant relationship with the corresponding OARSI grading for cartilage. Our results suggest that subchondral bone remodeling is a fundamental factor already in early stages of cartilage degeneration. PMID:28319157