Science.gov

Sample records for 4-h ambassador alumni

  1. Perceptions of Texas 4-H Livestock Ambassadors on Career Development, Higher Education, and Leadership Development

    ERIC Educational Resources Information Center

    Zanolini, William F.; Rayfield, John; Ripley, Jeff

    2013-01-01

    Selected 4-H youth participated in the Texas 4-H Livestock Ambassador program. Forty-five youth participated in the 3-day program delivered by university professors and staff, Texas AgriLife Extension faculty and industry representatives. An instrument was developed and administered to the Texas 4-H Livestock Ambassadors at the end of their first…

  2. Effectiveness of the Indiana 4-H Tractor Program: Alumni Perceptions.

    ERIC Educational Resources Information Center

    Carrabba, James J., Jr.; Talbert, B. Allen; Field, William E.; Tormoehlen, Roger

    2001-01-01

    Responses from Indiana 4-H tractor driving contestants 1982-197 (n=139) showed that 74% were employed on farms; most felt the contests effectively taught tractor safety and made them generally aware of safety. However, many still engaged in risky behaviors such as not wearing seatbelts in tractors with rollover protective structures or allowing…

  3. Impact of a Middle School 4-H Science Camp on College Aspirations of Alumni

    ERIC Educational Resources Information Center

    Bourdeau, Virginia D.; Galloway, Robin; Arnold, Mary; Nott, Brooke D.

    2014-01-01

    This article reports on an alumni study of middle school participants in a university-based science camp; at the time of the study the youth were completing their junior or senior year of high school. The science- and technology-intensive program was set in an intentionally designed positive youth development context. The camp was free to youth…

  4. The Value of 4-H Judging Teams--Missouri Dairy Judging Alumni Survey

    ERIC Educational Resources Information Center

    Deaver, Karla; Probert, Ted

    2016-01-01

    Former Missouri 4-H Dairy Judging Team members responded to a survey about life skills development and the value of the judging team experience. Results of the survey indicate that judging team experience was highly influential in the development of communication, public speaking, and presentation skills. Respondents also indicated that judging…

  5. NASA Ambassadors: A Speaker Outreach Program

    NASA Technical Reports Server (NTRS)

    McDonald, Malcolm W.

    1998-01-01

    The work done on this project this summer has been geared toward setting up the necessary infrastructure and planning to support the operation of an effective speaker outreach program. The program has been given the name, NASA AMBASSADORS. Also, individuals who become participants in the program will be known as "NASA AMBASSADORS". This summer project has been conducted by the joint efforts of this author and those of Professor George Lebo who will be issuing a separate report. The description in this report will indicate that the NASA AMBASSADOR program operates largely on the contributions of volunteers, with the assistance of persons at the Marshall Space Flight Center (MSFC). The volunteers include participants in the various summer programs hosted by MSFC as well as members of the NASA Alumni League. The MSFC summer participation programs include: the Summer Faculty Fellowship Program for college and university professors, the Science Teacher Enrichment Program for middle- and high-school teachers, and the NASA ACADEMY program for college and university students. The NASA Alumni League members are retired NASA employees, scientists, and engineers. The MSFC offices which will have roles in the operation of the NASA AMBASSADORS include the Educational Programs Office and the Public Affairs Office. It is possible that still other MSFC offices may become integrated into the operation of the program. The remainder of this report will establish the operational procedures which will be necessary to sustain the NASA AMBASSADOR speaker outreach program.

  6. Homeschool Alumni.

    ERIC Educational Resources Information Center

    Boone, Jill

    2000-01-01

    Teenage alumni of homeschooling reflect on their educational experiences and life lessons regarding the value of work, the benefits of persistence and effort in meeting their goals, and accepting individual differences. Homeschooling is an alternative lifestyle, a way of being a family that incorporates nurturing children's minds as well as their…

  7. Putting Alumni On Line.

    ERIC Educational Resources Information Center

    Young, Jeffrey R.

    1994-01-01

    College alumni associations are providing graduates with such electronic services as bulletin boards, computer mailing lists, online alumni magazines and newsletters, alumni forums on commercial networks, and electronic mail addresses. Other anticipated uses of the technology include fund raising, classes offered on networks, electronic bookstore…

  8. Climate Literacy Ambassadors

    NASA Astrophysics Data System (ADS)

    Ackerman, S. A.; Mooney, M. E.

    2011-12-01

    The Climate Literacy Ambassadors program is a collaborative effort to advance climate literacy led by the Cooperative Institute of Meteorological Satellite Studies (CIMSS) at the University of Wisconsin-Madison. With support from NASA, CIMSS is coordinating a three-tiered program to train G6-12 teachers to be Ambassadors of Climate Literacy in their schools and communities. The complete training involves participation at a teacher workshop combined with web-based professional development content around Global and Regional Climate Change. The on-line course utilizes e-learning technology to clarify graphs and concepts from the 2007 Intergovernmental Panel on Climate Change Summary for Policy Makers with content intricately linked to the Climate Literacy: The Essential Principles of Climate Science. Educators who take the course for credit can develop lesson plans or opt for a project of their choosing. This session will showcase select lesson plans and projects, ranging from a district-wide action plan that engaged dozens of teachers to Ambassadors volunteering at the Aldo Leopold Climate Change Nature Center to a teacher who tested a GLOBE Student Climate Research Campaign (SCRC) learning project with plans to participate in the SCRC program. Along with sharing successes from the CIMSS Climate Literacy Ambassadors project, we will share lessons learned related to the challenges of sustaining on-line virtual educator communities.

  9. STEM Careers Ambassadors

    ERIC Educational Resources Information Center

    Eaton, Denise

    2011-01-01

    This article is designed to help teachers feel more confident in their work with STEM Ambassadors to further enhance enrichment activities. Skills shortages in Science, Technology, Engineering, Maths (STEM) and the Built Environment are well documented, and will continue to be an issue whether people are in a period of recession or recovery. The…

  10. The Alumni Credit Card.

    ERIC Educational Resources Information Center

    Clotfelter, Susan C.

    1987-01-01

    One of the hottest movements in banking right now is affinity credit cards. For banks, they mean a new source of credit customers. For institutions and alumni organizations, they can mean an easy, inexpensive way to keep the institutional name in front of alumni. (MLW)

  11. Climate Literacy Ambassadors

    NASA Astrophysics Data System (ADS)

    Mooney, M. E.; Ackerman, S. A.

    2010-12-01

    The Intergovernmental Panel on Climate Change (IPCC) published the fourth assessment of Earth’s climate in 2007, laying the foundation for mitigation and adaptation measures but leaving a chasm between well-documented evidence and society’s ability to comprehend climate change mechanisms. Educators at the University of Wisconsin-Madison are bridging this climate literacy gap with on-line curriculum and a NASA supported professional development program for science teachers. The distance learning curriculum (http://cimss.ssec.wisc.edu/climatechange/) utilizes e-learning technology to clarify graphs and concepts from the IPCC Summary for Policy Makers with content intricately linked to the Essential Principles of Climate Literacy. With funding from NASA’s Global Climate Change Education program (GCCE), UW-Madison’s Cooperative Institute for Meteorological Satellite Studies (CIMSS) combines teacher workshops with the web-based course and an emerging discussion forum to support educators as they become ambassadors of climate literacy in their local schools and communities. This session will demonstrate key elements and activities featured in the on-line course and describe some first-tier Climate Literacy Ambassador projects which range from classroom lesson plans to household mitigation actions to community action plans.

  12. Targeting Your Phonathons to Alumni.

    ERIC Educational Resources Information Center

    Cockriel, Irvin W.

    A study was conducted to determine whether alumni who were previous scholarship recipients were more likely to pledge financial assistance to their alma mater than were alumni who were not financially assisted. A total of 140 alumni were to be contacted through a regular phonathon, with a special script for the 70 previous scholarship recipients.…

  13. Tribal ecoAmbassadors Program

    EPA Pesticide Factsheets

    Describes EPA's Tribal ecoAmbassadors Program that partners with Tribal College and University (TCU) with EPA scientists to solve the environmental problems most important to their tribal communities.

  14. Bellarmine College Alumni Survey.

    ERIC Educational Resources Information Center

    Slesnick, Frank

    Alumni of Bellarmine College, Kentucky, who had obtained B.A. or B.S. degrees from 1974 to 1978 were surveyed in 1979. Areas of assessment were as follows: majors, desired occupation at time of graduation, attendance at graduate school, present employment status, jobs held by respondents, reasons why respondents chose their present jobs,…

  15. Making an Impact with Alumni Surveys

    ERIC Educational Resources Information Center

    Cabrera, Alberto F.; Weerts, David J.; Zulick, Bradford J.

    2005-01-01

    This chapter discusses how alumni research can be used to inform key audiences about the impact of college on alumni, including the preparation of alumni for the workforce, alumni experiences as students, and whether alumni may be inclined to support their alma mater.

  16. Alumni Colleges Sprout in Summer

    ERIC Educational Resources Information Center

    Morrison, Joan

    1978-01-01

    The alumni college, one of the fastest-spreading of the new developments on the summer campus, helps colleges get added income and the alumnus gets a stimulating vacation in a familiar setting. Describes some alumni college programs and a number of other promising programs introduced on different campuses in recent years. (Author/RK)

  17. Preparing Alumni for Student Recruitment.

    ERIC Educational Resources Information Center

    Mount, Brian

    As recruitment budgets continue to tighten and with fewer colleges reporting application increases for their freshmen classes, enrollment managers must continue to explore all potential sources of recruitment talent. Alumni are often an underutilized or sometimes poorly utilized resource in recruitment efforts. Younger alumni, for example, may…

  18. Alumni Loyalty: A Survey Investigation.

    ERIC Educational Resources Information Center

    Ridley, Dennis R.; Boone, Mary M.

    One of the objectives of the Strategic Planning Commission at Virginia Wesleyan College was to enhance alumni loyalty. To that end, a survey was developed to study alumni loyalty, beginning with developing a definition of a loyal alumnus/a as one who acknowledged the unique contributions of the college in his or her personal and professional…

  19. Building an Alumni Support Network

    ERIC Educational Resources Information Center

    Grant, Karli A.

    2008-01-01

    Alumni can be visible or invisible, engaged or disengaged. They can speak highly of their college experience--or not. Most colleges find that alumni, regardless of their opinions and experiences, represent a vast, often untapped body of potential support. With a little nurturing, administrators can use relationships with former students and…

  20. Alumni Satisfaction with Their Undergraduate Academic Experience and the Impact on Alumni Giving and Participation

    ERIC Educational Resources Information Center

    Gaier, Scott

    2005-01-01

    The hypothesis for this research was that the higher the level of academic satisfaction, the more likely it is for alumni to be involved with the university. Alumni involvement was defined as alumni giving and/or alumni participating with their alma mater within the last three years. There were 1,608 alumni from a large state university who…

  1. A Multivariate Causal Model of Alumni Giving: Implications for Alumni Fundraisers

    ERIC Educational Resources Information Center

    Sun, Xiaogeng; Hoffman, Sharon C.; Grady, Marilyn L.

    2007-01-01

    Despite readily available alumni survey data warehoused at many alumni associations and foundations across colleges and universities, researchers have underutilized the abundant available data to identify key predictors of alumni donation, including factors that trigger alumni donation behavior. Utilizing the data from a two-year alumni survey…

  2. How to Work Effectively with Alumni Boards.

    ERIC Educational Resources Information Center

    Alberger, Patricia L., Ed.

    Perspectives on working with alumni boards are presented in papers presented at a 1980 conference sponsored by the Council for the Advancement and Support of Education. Papers and authors are as follows: "Your Alumni: An Untapped Resource," Robert G. Forman; "Involving your Alumni in the Total Alumni Program," Douglas Wilson;…

  3. 4-H and Iowa.

    ERIC Educational Resources Information Center

    Gore, Deborah, Ed.

    1988-01-01

    This issue focuses on Iowa's role in the historical development of the 4-H youth program. "Roots in Iowa" and "Jessie Field Shambaugh: The Mother of 4-H" (J. Friedel) describes the rural Iowan roots of the 4-H program, which today is located in 80 different countries, and give the story of its founder. Jessie Shambaugh, a rural…

  4. Ambassadors in Industry: Integrating the Curriculum.

    ERIC Educational Resources Information Center

    Grinnell, Eleanor; Sherman, Janet

    This guidebook resulted from a student mentoring and teacher ambassador project in applied science in Wyoming. For the teacher-ambassador component of the program, seven science and vocational teachers interned in science-related industries to investigate technical-level jobs at 11 business and industry sites. They documented skills needed by…

  5. Alumni Perspectives Survey, 2013. Survey Report

    ERIC Educational Resources Information Center

    Leach, Laura

    2013-01-01

    How successful was the class of 2012 at securing employment after graduation? What does a "typical day" of work look like for graduate business school alumni? What impact do job tasks and work environments have on job satisfaction? How do alumni assess the value of their graduate management degree? The findings in the 2013 Alumni Perspectives…

  6. The Future Agenda for Alumni Research.

    ERIC Educational Resources Information Center

    Dunn, John A., Jr.

    1988-01-01

    Striving for a standardized alumni research terminology should parallel future research efforts in such areas as measurement of donor potential, modeling alumni giving patterns, and examination of involvement in alumni activities. A taxonomy and a strategy for achieving standardization are described. (MLW)

  7. Community College Alumni: Partners in Resource Development.

    ERIC Educational Resources Information Center

    Nazzaro, Joseph P.

    The County College of Morris (CCM), in Randolph, New Jersey, was established in 1968-69, and over 20,000 students have received degrees or certificates from the college since its founding. In an effort to improve alumni involvement, a new alumni program was established under the Division of College Advancement, and a part-time Alumni Director was…

  8. Predictors of Alumni Association Membership

    ERIC Educational Resources Information Center

    Newman, Melissa D.; Petrosko, Joseph M.

    2011-01-01

    The authors examined factors associated with membership of university graduates in the dues-based alumni association of their alma mater. Logistic regression was used to analyze variables that came from survey responses and from an existing database. All participants had attended a public doctoral-granting research university in the South.…

  9. Nursing Alumni Surveys: 2002 Graduates.

    ERIC Educational Resources Information Center

    College of the Canyons, Santa Clarita, CA.

    This document reports on outcomes of the College of the Canyons, California, 2002 survey of nursing alumni. Surveys of RN, LVN, and LVN-RN graduates and their employers aimed to assess graduates' satisfaction with the preparation and training they received. Surveys also collected information intended to assess the current position in which the…

  10. Alumni Perceptions of Workforce Readiness

    ERIC Educational Resources Information Center

    Landrum, R. Eric; Hettich, Paul I.; Wilner, Abby

    2010-01-01

    We surveyed psychology alumni (N = 78) about (a) their preparedness and competency on 54 areas of workforce readiness, (b) changes since graduation on 33 adjectives describing emotional states and personality qualities, and (c) suggestions for universities about how to provide opportunities that enhance workforce success. Among the highest rated…

  11. NASA's Heliophysics Educator Ambassador Program

    NASA Astrophysics Data System (ADS)

    Nichols, M.; Peticolas, L. M.; Bartolone, L. M.; Walker, A.

    2011-12-01

    NASA's Heliophysics Educator Ambassador (HEA) program focuses on in-depth learning experiences around Earth, Space, and Physical Science topics for educators teaching in middle school grades. Program coordinators include education and public outreach professionals from several NASA Science Mission Directorate (SMD) heliophysics spacecraft missions. The goal of the HEA program is to develop the capacity and provide the opportunity for educators to a) implement the Great Explorations in Math and Science (GEMS) Space Science Sequence for Grades 6-8 in their own classrooms, b) incorporate NASA SMD-funded spacecraft mission education resources into classroom activities, and c) train other teachers on the NASA heliophysics science and educational resources listed above at local and regional professional development conferences or meetings. We will discuss the goals, outcomes, and lessons learned through three years of program implementation, including benefits and challenges for program stakeholders, results of program evaluation, and plans for the future.

  12. First German Astronomy Ambassadors Fly On SOFIA

    NASA Video Gallery

    Two German educators, Wolfgang Vieser and Jörg Trebs, were the first to represent their country as SOFIA Airborne Astronomy Ambassadors. They flew aboard the Stratospheric Observatory for Infrared...

  13. Advancement Staff and Alumni Advocates: Cultivating LGBTQ Alumni by Promoting Individual and Community Uplift

    ERIC Educational Resources Information Center

    Garvey, Jason C.; Drezner, Noah D.

    2013-01-01

    Using a constructivist case-study analysis, we explore philanthropy toward higher education among lesbian, gay, bisexual, transgender, and queer (LGBTQ) alumni, examining the role of advancement staff and alumni advocates in engaging LGBTQ alumni to promote individual and community uplift. Data come from focus groups with 37 advancement staff and…

  14. NASA Astrophysics Educator Ambassador Program

    NASA Astrophysics Data System (ADS)

    McLin, K. M.; Cominsky, L. R.

    2014-07-01

    The NASA Astrophysics Educator Ambassador (EA) Program began in 2001 as part of the GLAST (now Fermi) EPO effort at Sonoma State University. The program currently supports 15 EAs, sponsored by either Fermi (10), Swift (3), XMM-Newton (1) or NuSTAR (1). This group of master educators work with mission scientists and EPO personnel to develop curricula and train teachers; they also do workshops for students and outreach events with the general public. Every other year since 2002 the EAs assemble for a week of training at SSU. Each training has had a different focus. Additionally, time is given for the EAs to share ideas from their own workshops. In the dozen years of the program, the total number of teachers attending EA-run workshops is over 60,000, and EA workshops have received outstanding positive reviews from participants according to surveys conducted by our external evaluator, WestEd. This poster gives an overview of the program and its nationwide impact.

  15. WWT Ambassadors: Worldwide Telescope For Interactive Learning

    NASA Astrophysics Data System (ADS)

    Goodman, Alyssa A.; Strom, S. E.; Udomprasert, P.; Valva, A.; Wong, C.

    2011-01-01

    The WorldWide Telescope Ambassadors Program (WWTA) is new outreach initiative run by researchers at Harvard University, WGBH, and Microsoft Research. WWT Ambassadors are astrophysically-literate volunteers who are trained to be experts in using WWT as teaching tool. Ambassadors and learners alike use WWT to create dynamic, interactive Tours of the Universe, which are shared in schools, public venues, and online. Ambassador-created Tours are being made freely available and will ultimately form a comprehensive learning resource for Astronomy and Astrophysics. In this short talk, we will describe the results of a Pilot Study where volunteer Ambassadors helped sixth-graders use WWT during their six-week Astronomy unit. The results of the study compare learning outcomes for 80 students who participated in WWTA and 80 students who only used traditional learning materials. In the comparison, we find that, after the six-week unit: twice as many "WWT” as "non-WWT” students understand complex three dimensional orbital relationships; and tremendous gains are seen in student interest in science overall, astronomy in particular, and even in using "real” telescopes. Plans for WWTA include expansion to five US sites within the coming year, and ultimately to an International Program. Online materials will ultimately be available through several sites (at WGBH, Harvard and Microsoft), and will be integrated with existing online curriculum programs such as WGBH's Teachers’ Domain and Microsoft's Partners in Learning. More inormation is presently available at www.cfa.harvard.edu/WWTAmbassadors/.

  16. I Alumnus: Understanding Early Alumni Identity

    ERIC Educational Resources Information Center

    Pung, Barnaby

    2013-01-01

    This dissertation sought to provide a better understanding of early alumnus identity at a public Midwestern university. Unlike a majority of alumni studies, this study used a qualitative case study methodology to examine alumni identity among participants through the use of personal interviews. Participants were 10-11 years post graduation from…

  17. Alumni Perspectives Survey, 2010. Survey Report

    ERIC Educational Resources Information Center

    Sheikh, Sabeen

    2010-01-01

    During the months of April and September of 2009, the Graduate Management Admission Council[R] (GMAC[R]) conducted the Alumni Perspectives Survey, a longitudinal study of prior respondents to the Global Management Education Graduate Survey of management students nearing graduation. A total of 3,708 alumni responded to the April 2009 survey,…

  18. Alumni Perspectives Survey, 2011. Survey Report

    ERIC Educational Resources Information Center

    Sheikh, Sabeen

    2011-01-01

    Since the Graduate Management Admission Council[R] (GMAC[R]) first began conducting its Alumni Perspectives Surveys 11 years ago, several "truths" about graduate business school alumni have consistently stood the test of time: They are and remain eminently employable. They constantly rate the value of the degree highly. This year's results are…

  19. Community College Alumni: Predicting Who Gives

    ERIC Educational Resources Information Center

    Skari, Lisa Ann

    2014-01-01

    Due to the decrease in public funding, community colleges are in a position where they need to generate private gifts. Alumni represent the largest untapped pool of prospective donors, and the success of alumni giving at 4-year institutions illustrates the potential that exists for community colleges. To develop effective fundraising strategies,…

  20. Alumni Perspectives Survey. 2014 Survey Report

    ERIC Educational Resources Information Center

    Schoenfeld, Gregg

    2014-01-01

    Alumni are a powerful force in building a business school's brand. They recommend programs to prospective students, they connect current students to job opportunities, and they contribute significantly to building a school's legacy. The findings in the 2014 Alumni Perspectives Survey Report provide a current snapshot of nearly 21,000 business…

  1. Assessment of Curriculum Quality through Alumni Research

    ERIC Educational Resources Information Center

    Saunders-Smits, Gillian; de Graaff, Erik

    2012-01-01

    In today's output defined society, alumni are the output of higher education. This article shows how alumni research can be used as an important indicator of curriculum quality. This relatively unexplored area of engineering education research in Europe is highlighted using a case study carried out in the Netherlands, the outcomes of which have…

  2. Tu-144LL Rollout Ceremony - Ambassador Pickering

    NASA Technical Reports Server (NTRS)

    1996-01-01

    U.S. Ambassador to Russia, Thomas J. Pickering, addresses a crowd of Tupolev employees and international media at the rollout of the newly modified TU-144LL March 17, 1996. The nose of the TU-144LL can be seen in the background.

  3. WWT Ambassadors: Worldwide Telescope For Interactive Learning

    NASA Astrophysics Data System (ADS)

    Udomprasert, Patricia S.; Goodman, A. A.; Wong, C.

    2012-01-01

    WorldWide Telescope (WWT) offers an unparalleled view of the world's store of online astronomical data. This free software weaves astronomical images from all wavelengths into an interface that resembles their natural context-the Sky-while offering deep opportunities to teach and learn the science behind the images. The WorldWide Telescope Ambassadors Program (WWTA) is an outreach initiative run by researchers at Harvard University and Microsoft Research. WWT Ambassadors are experts on Astronomy and Physics who use WWT to educate the public about astronomy and science. Ambassadors and learners alike use WWT to create dynamic, interactive Tours of the Universe, which are shared in schools, public venues, and online. Ambassador-created Tours are being made freely available and will ultimately form a comprehensive learning resource for Astronomy and Astrophysics. In this poster, we present summary results of WWTA's work in 6th-grade classrooms, reaching 400 students over the past 2 years. The WWTA Pilot compared learning outcomes for 80 students who participated in WWTA and 70 students at the same school and grade who only used traditional learning materials. After the six-week unit, twice as many "WWT” as "non-WWT” students understand complex three dimensional orbital relationships; and tremendous gains are seen in student interest in science overall, and astronomy in particular. In anonymous written surveys, 90% of the 6th-graders described WWT as "awesome,” "cool,” or "a fun way to learn science,” and said they would recommend WWT to their best friend. We outline new plans to develop and field-test WWT-based interactive visualization labs that teach students standards-based middle school space science topics, and we describe the development of an online community that serves as a resource for Ambassadors, teachers, and students across the US and beyond. Learn more about WWTA at: wwtambassadors.org

  4. Using Alumni Research To Assess a Veterinary Curriculum and Alumni Employment and Reward Patterns.

    ERIC Educational Resources Information Center

    Bristol, David G.

    2002-01-01

    Surveyed alumni of North Carolina State University's veterinary program to ascertain outcomes of their education. Findings included career path, earnings, satisfaction with the program, and gender differences. (EV)

  5. Discover 4-H Clubs: The Essential Resource for 4-H

    ERIC Educational Resources Information Center

    MacArthur, Stacey; Nelson, Cindy; Brower, Naomi; Memmott, Margie; Peterson, Gaelynn

    2016-01-01

    Obstacles facing new 4-H volunteers include time constraints and difficulty finding project-specific information, resources, and opportunities available for club members. As a solution to these obstacles and an aid for assisting volunteers in becoming confident in delivering information to youth, content experts produced Discover 4-H Clubs, a…

  6. An Exploration of Giving among Gay Male College Alumni

    ERIC Educational Resources Information Center

    Vervoort, Alex; Gasman, Marybeth

    2016-01-01

    This study explores the influence of sexual orientation and race on college alumni giving. The authors use qualitative methods, interviewing alumni at one university in the Northeast. They also provide recommendations for fundraising and alumni practitioners as well as recommendations for those scholars interested in student identity, fundraising,…

  7. Computer Classifieds: Electronic Career Services Link Alumni with Employers.

    ERIC Educational Resources Information Center

    Dessoff, Alan L.

    1992-01-01

    Electronic service companies are marketing electronic career services to college and university alumni associations. These electronic alternatives to traditional placement services offer schools a way to provide alumni with a desired service while increasing alumni association revenue. Typically, both applicants and companies pay a fee for a…

  8. The 2015 CASE Asia-Pacific Alumni Relations Survey Report

    ERIC Educational Resources Information Center

    Kroll, Judith A.; Bakerman, Philip

    2015-01-01

    The Council for Advancement and Support of Education (CASE) launched the volunteer-led Asia-Pacific Alumni Relations Survey in 2014 to provide a resource for alumni relations professionals to benchmark performance internally and against fellow institutions of higher education. That was the first survey CASE has done on alumni relations programmes…

  9. A Tobacco-Free Campus Ambassador Program and Policy Compliance

    ERIC Educational Resources Information Center

    Ickes, Melinda. J.; Rayens, Mary Kay; Wiggins, Amanda T.; Hahn, Ellen J.

    2015-01-01

    Objective: Assess impact and feasibility of a Tobacco-Free Ambassador Program on campus policy compliance. Participants: Trained Ambassadors made 253 visits to campus sites over 15 months to observe and/or approach violators. Methods: Policy violators were observed at 23 locations during Wave 1 (April-June 2012) and/or Wave 2 (April-June 2013).…

  10. Alumni to the Rescue: Black College Alumni and Their Historical Impact on Alma Mater

    ERIC Educational Resources Information Center

    Cohen, Rodney T.

    2008-01-01

    Throughout their history many black colleges, also referred to as Historically Black Colleges and Universities (HBCUs), have struggled to maintain financial footing. This paper explores the history of alumni involvement in HBCUs and highlights their importance for future success.

  11. Introducing the AAS Astronomy Ambassadors Program

    NASA Astrophysics Data System (ADS)

    Gurton, S.; Fienberg, R. T.; Fraknoi, A.; Prather, E. E.

    2013-04-01

    Newly established by the American Astronomical Society (AAS), the Astronomy Ambassadors program is designed to support early-career AAS members with training in resources and techniques for effective outreach to students and/or the public. A pilot Astronomy Ambassadors workshop will be held at the January 2013 AAS meeting. Workshop participants will learn to communicate effectively with public and school audiences; find outreach opportunities and establish ongoing partnerships with local schools, science centers, museums, parks, and/or community centers; reach audiences with personal stories, hands-on activities, and jargon-free language; identify strategies and techniques to improve their presentation skills; gain access to a menu of outreach resources that work in a variety of settings; and become part of an active community of astronomers who do outreach. Applications are welcome from advanced undergraduates (those doing research and committed to continuing in astronomy), graduate students, and postdocs and new faculty in their first two years after receipt of the PhD. We especially encourage applications from members of groups that are presently underrepresented in science.

  12. 4-H Club Goat Guide.

    ERIC Educational Resources Information Center

    Brown, R. Kipp

    This guide provides information for 4-H Club members who have decided on a club goat project. Topics include general information in the following areas: show rules; facilities and equipment (barns/sheds, fences, feeders, water containers, and equipment); selection (structural correctness, muscle, volume and capacity, style and balance, and growth…

  13. Higher Education Alumni Associations and Political Advocacy

    ERIC Educational Resources Information Center

    Buchli, Richard N.

    2015-01-01

    Political advocacy is comprised of speaking on the behalf of a cause or participating as part of a political action group (Weerts, Cabrera, & Sanford, 2010). Because state financial support for public higher education has not been maintained at previous levels, higher education (HE) institutions have been recruiting alumni in an attempt to win…

  14. Registered Nursing Alumni Surveys, 1990-1994.

    ERIC Educational Resources Information Center

    College of the Canyons, Santa Clarita, CA. Office of Institutional Development.

    Since 1990, California's College of the Canyons (CoC) has conducted annual surveys of graduates from its Registered Nursing (RN) program. Between 1990 and 1994, surveys were sent to 193 RN graduates, with completed questionnaires received from 124 alumni. An analysis of responses for each year revealed the following: (1) 91.7% of the respondents…

  15. How Colleges Use Alumni to Recruit Students

    ERIC Educational Resources Information Center

    Fogg, Piper

    2008-01-01

    Many college alumni wear their love for their alma maters on their sleeves, if not their sweatshirts. They are practically a walking advertisement for the college, so it often makes sense to rely on them when recruiting, a new survey of admissions officers suggests. The survey, however, also showed that admissions offices with budgets of less than…

  16. Alumni Perspectives Survey. 2015 Survey Report

    ERIC Educational Resources Information Center

    Schoenfeld, Gregg

    2015-01-01

    Graduate business school students worldwide typically are motivated to pursue management education to achieve three objectives: to advance their careers, to increase their earning potential, and to develop their business knowledge, skills, and abilities. Once they graduate, these business school alumni discover many paths to fulfilling careers,…

  17. 2012 Alumni Perspectives Survey. Survey Report

    ERIC Educational Resources Information Center

    Leach, Laura

    2012-01-01

    Conducted in September 2011, this Alumni Perspectives Survey by the Graduate Management Admission Council (GMAC) is a longitudinal study of respondents to the Global Management Education Graduate Survey, the annual GMAC[R] exit survey of graduate management students in their final year of business school. This 12th annual report includes responses…

  18. The World Nuclear University Alumni Assembly

    SciTech Connect

    White-Horton, Jessica L; Lynch, Patrick D; Gilligan, Kimberly V; Garner, James R; Guzzardo, Tyler; Kuhn, Michael J; Rowe, Nathan C

    2014-01-01

    The World Nuclear University Summer Institute was established by the World Nuclear Association in 2005 as a program for future leaders in the nuclear field. Since the Summer Institute s inception in 2005, a total of some 800 fellows from more than 70 countries have participated in the program. In 2012, the World Nuclear University held its first ever alumni event at the IAEA in Vienna, Austria, and at that time, the precedent was set that the reunion would be held biennially. The 2014 alumni assembly was held at Oak Ridge National Laboratory from March 31 April 4, 2014. The event offered three separate areas of opportunities for the participating alumni: professional development, leadership, and peer-to-peer engagement. The professional development consisted of training groups, while the leadership will involve discussions with invited leaders, including members of the Blue Ribbon Commission. The peer-to-peer engagement not only give past fellows a chance to reconnect with their own classmates, but it allowed for further international engagement, between the speakers and alumni, as well as between the classes themselves.

  19. Expanding Public Outreach: The Solar System Ambassadors Program

    NASA Astrophysics Data System (ADS)

    Ferrari, K.

    2001-12-01

    The Solar System Ambassadors Program is a public outreach program designed to work with motivated volunteers across the nation. These competitively selected volunteers organize and conduct public events that communicate exciting discoveries and plans in Solar System research, exploration and technology through non-traditional forums. In 2001, 206 Ambassadors from almost all 50 states bring the excitement of space to the public. Ambassadors are space enthusiasts, who come from all walks of life. Last year, Ambassadors conducted almost 600 events that reached more than one-half million people in communities across the United States. The Solar System Ambassadors Program is sponsored by the Jet Propulsion Laboratory (JPL) in Pasadena, California, an operating division of the California Institute of Technology (Caltech) and a lead research and development center for the National Aeronautics and Space Administration (NASA). Participating JPL organizations include Cassini, Galileo, STARDUST, Outer Planets mission, Genesis, Ulysses, Voyager, Mars missions, Discovery missions NEAR and Deep Impact, Deep Space Network, Solar System Exploration Forum and the Education and Public Outreach Office. Each Ambassador participates in on-line (web-based) training sessions that provide interaction with NASA scientists, engineers and project team members. As such, each Ambassador's experience with the space program becomes personalized. Training sessions provide Ambassadors with general background on each mission and educate them concerning specific mission milestones, such as launches, planetary flybys, first image returns, arrivals, and ongoing key discoveries. Additionally, projects provide limited supplies of materials, online resource links and information. Integrating volunteers across the country in a public-engagement program helps optimize project funding set aside for education and outreach purposes, establishing a nationwide network of regional contacts. At the same time

  20. How Crucial Are Family Ties? Weighing the Importance of Campus Grads to Alumni Office Staffing.

    ERIC Educational Resources Information Center

    Benninghoff, Diane; Heinlen, Dan; Brant, Keith H.

    2000-01-01

    Three chief alumni relations officers discuss their views on the importance of hiring graduates of the college or university as alumni relations staffers. Opinions ranged from the belief that it is helpful when alumni and staff share an alma mater, to alumni status is not particularly important, to an attempt to mix both in the alumni relations…

  1. Benchmarking Alumni Relations in Community Colleges: Findings from a 2015 CASE Survey

    ERIC Educational Resources Information Center

    Paradise, Andrew

    2016-01-01

    The Benchmarking Alumni Relations in Community Colleges white paper features key data on alumni relations programs at community colleges across the United States. The paper compares results from 2015 and 2012 across such areas as the structure, operations and budget for alumni relations, alumni data collection and management, alumni communications…

  2. 78 FR 76187 - 30-Day Notice of Proposed Information Collection: Exchange Programs Alumni Web Site Registration

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-12-16

    ... Notice of Proposed Information Collection: Exchange Programs Alumni Web Site Registration ACTION: Notice... . SUPPLEMENTARY INFORMATION: Title of Information Collection: Exchange Programs Alumni Web site Registration. OMB... available for public review. Abstract of proposed collection: The International Exchange Alumni Web...

  3. Alumni e-Networks: Using Technology to Engage Net Generation Alumni

    ERIC Educational Resources Information Center

    Peterson, Holly

    2007-01-01

    Institutions of higher education are constantly examining new ways of using technology to teach students. Just as importantly, those institutions are also finding new ways to use technology and the Internet to keep and develop connections with alumni and parents. What new opportunities does this technology offer, how can it be used effectively,…

  4. URI Alumni: The Relationship Between Occupations and Undergraduate Curriculums.

    ERIC Educational Resources Information Center

    Lott, Bernice; Rebello, Lance

    A survey of alumni of the University of Rhode Island, in the graduating classes of 1955, 1960, and 1970, had a 25 percent response rate. Data were collected on the current work status of the alumni, number of different jobs held and different kinds of work done since graduation, training after the bachelor's degree, relationship of undergraduate…

  5. Nursing Alumni as Student Mentors: Nurturing Professional Growth.

    ERIC Educational Resources Information Center

    Sword, Wendy; Byrne, Carolyn; Drummond-Young, Michele; Harmer, Maureen; Rush, Janet

    2002-01-01

    Undergraduate nursing students at McMaster University are mentored by program alumni. Feedback from surveys and group discussions revealed benefits beyond career and personal development, resulting from having experienced the same educational program. Alumni appreciated the opportunity to reconnect with their alma mater. (SK)

  6. Education and Employment among Alumni Academic Honor Society Leaders

    ERIC Educational Resources Information Center

    Ferrari, Joseph R.; Athey, Robert B.; Moriarty, Meghan O.; Appleby, Drew C.

    2006-01-01

    Academic honor society alumni in two samples reported their undergraduate and post-baccalaureate education and employment experiences. In Study 1 of 108 honor society alumni leaders at an urban, private, faith-based liberal arts college, more men graduated cum laude yet attended top-tier graduate institutions and earned doctoral degrees than women…

  7. The Effect of Brand Identification on Alumni Supportive Behaviors

    ERIC Educational Resources Information Center

    Stephenson, Amber L.

    2013-01-01

    The purpose of this study was to explore the relationship of brand identification and supportive behaviors for alumni of a medium-sized state-run public institution of higher education in the mid-Atlantic region of the US. The research examined the perceptions of donor and non-donor alumni of a state-run public institution of higher education to…

  8. College of the Canyons Nursing Alumni Surveys, Spring 2001. Report.

    ERIC Educational Resources Information Center

    Meuschke, Daylene M; Dixon, P. Scott; Gribbons, Barry C.

    In the summer of 2001, College of the Canyons (California) conducted of study of registered nursing (RN) and licensed vocational nursing (LVN) alumni, as well as their employers, to assess satisfaction with the preparation and training they received through the College's nursing programs. Out of the 89 invited nursing alumni, 33 surveys were…

  9. Adult 4-H Volunteer Empowerment in 4-H Youth Development Settings

    ERIC Educational Resources Information Center

    Olsen, Pamela

    2009-01-01

    The primary purpose of this study was to determine which factors related to adult 4-H volunteer empowerment in 4-H youth development settings. This study examined the relationship of adult 4-H volunteers' perceived leadership styles of Oregon 4-H Youth Development Educators (YDE) to the adult 4-H volunteer sense of empowerment. In addition,…

  10. Engaging Library Partners in 4-H Programming

    ERIC Educational Resources Information Center

    Fields, Nia Imani; Rafferty, Elizabeth

    2012-01-01

    When most people think about 4-H, they remember county fairs, livestock programs, and agricultural education. While these programs are still prominent, 4-H has grown in order to meet the growing demands of today's youth. The organization has expanded services and programs to serve rural, suburban, and urban youth in every state in the U.S. 4-H is…

  11. Strengthening 4-H by Analyzing Enrollment Data

    ERIC Educational Resources Information Center

    Hamilton, Stephen F.; Northern, Angela; Neff, Robert

    2014-01-01

    The study reported here used data from the ACCESS 4-H Enrollment System to gain insight into strengthening New York State's 4-H programming. Member enrollment lists from 2009 to 2012 were analyzed using Microsoft Excel to determine trends and dropout rates. The descriptive data indicate declining 4-H enrollment in recent years and peak enrollment…

  12. Research in Alumni Relations: Surveying Alumni To Improve Your Programs. Report on the Association for Institutional Research (AIR)/CASE Alumni Research Conference (District of Columbia, April 2-3, 1998).

    ERIC Educational Resources Information Center

    Shoemaker, Donna, Ed.

    This book presents summaries of 16 papers presented at a conference on increasing the amount and usefulness of research on alumni relations. Following an introductory paper, "On the Art and Science of Surveying Alumni" (Donna Shoemaker), the papers are: (1) "Targeted Research Gets Results. Comprehensive Research on Alumni Relationships: Four Years…

  13. Young "Science Ambassadors" Raise the Profile of Science

    ERIC Educational Resources Information Center

    Ridley, Katie

    2014-01-01

    Katie Ridley, science coordinator at St. Gregory's Catholic Primary School, Liverpool, UK, states that the inspiration for "science ambassadors" came after embarking on the Primary Science Quality Mark programme at their school. Ridley realized that science was just not recognised as such by the children, they talked about scientific…

  14. U.S. Ambassador Says India Should Welcome Foreign Colleges

    ERIC Educational Resources Information Center

    Neelakantan, Shailaja

    2008-01-01

    The U.S. ambassador to India, in an interview with "The Chronicle" last week, criticized the opposition of some Indian government officials and politicians to legislation that would allow U.S. and other foreign universities to establish campuses or programs in the country. He spoke favorably, however, about India's willingness to take on…

  15. Educational Ambassadors in the Danish Trade Union Movement

    ERIC Educational Resources Information Center

    Keil, Michael

    2008-01-01

    The concept of Educational Ambassadors is embedded within the so-called "Danish model" of industrial relations. The Danish industrial relations system is characterised by strong collective organisations with national coverage, which conclude the collective agreements for various industries or sectors and which are mostly grouped under…

  16. EPA and AIHEC Partner for Tribal ecoAmbassadors

    ERIC Educational Resources Information Center

    Newland, Erica

    2016-01-01

    The Tribal ecoAmbassadors Program has enabled six tribal colleges and universities (TCUs) to collect important environmental research data and has provided hands-on field experience to TCU students. Now in its fifth year, the program is the result of a successful partnership between the U.S. Environmental Protection Agency (EPA) and the American…

  17. Impact of Engineering Ambassador Programs on Student Development

    ERIC Educational Resources Information Center

    Anagnos, Thalia; Lyman-Holt, Alicia; Marin-Artieda, Claudia; Momsen, Ellen

    2014-01-01

    This study highlights the positive impact of participation in an engineering ambassador program on students from two universities: Oregon State University which is a large public university in a college town with a 13% minority student body, and Howard University, a medium sized private university with a relatively small engineering program in an…

  18. CSU Digital Ambassadors: An Empowering and Impactful Faculty Learning Community

    ERIC Educational Resources Information Center

    Soodjinda, Daniel; Parker, Jessica K.; Ross, Donna L.; Meyer, Elizabeth J.

    2014-01-01

    This article chronicles the work of the California State University Digital Ambassador Program (DA), a Faculty Learning Community (FLC), which brought together 13 faculty members across the state to create ongoing, targeted spaces of support for colleagues and educational partners to learn about innovative technological and pedagogical practices…

  19. America-Israel Young Ambassadors Student Exchange Program. Orientation Manual.

    ERIC Educational Resources Information Center

    Neeson, Eileen; And Others

    This orientation manual for the America-Israel Young Ambassadors Student Exchange Program is written for the exchange of high school students between these two countries. The goal is to familiarize American students with the history, politics, economy, religions and society of Israel. Thirteen training sessions are suggested on the following…

  20. SOFIA's Airborne Astronomy Ambassadors: An External Evaluation of Cycle 1

    ERIC Educational Resources Information Center

    Phillips, Michelle

    2015-01-01

    The Stratospheric Observatory for Infrared Astronomy (SOFIA) represents a partnership between NASA and the German Aerospace Center (DLR). The observatory itself is a Boeing 747 SP that has been modified to serve as the world's largest airborne research observatory. The SOFIA Airborne Astronomy Ambassadors (AAA) program is a component of SOFIA's…

  1. The Science Ambassador Program: Partnering Scientists with Science Teachers

    ERIC Educational Resources Information Center

    Hamner, Heather C.; Flores, Alina L.; Prue, Christine E.; Mersereau, Patricia

    2008-01-01

    This article focuses on the development and implementation of the Science Ambassador (SA) Program, which targets adolescents by working directly with science teachers who write and implement lesson plans that feature public health topics. The main goals of the program are to develop science lesson plans on public health topics, expose adolescents…

  2. Student Ambassadors: "Role-Models", Learning Practices and Identities

    ERIC Educational Resources Information Center

    Gartland, Clare

    2015-01-01

    Employing students to market higher education (HE) and widen access is established practice in the United Kingdom and other developed countries. In the United Kingdom, student ambassadors are held to be effective in aspiration and attainment-raising work and cited as "role-models" for pupils. The focus of this paper is student ambassador…

  3. Fund-Raising Appeals to Alumni: Two Experiments.

    ERIC Educational Resources Information Center

    Parsons, Paul; Wethington, Dana

    1996-01-01

    Investigates the success of mass fund-raising appeals to alumni, showing the efficacy of personalized notes and targeting a specific audience. Shows that a brochure brought a higher response rate than audiotapes or audiotapes and brochures. (SR)

  4. The Sixth Alumni Conference of the International Space University

    NASA Technical Reports Server (NTRS)

    Berry, Steve (Editor)

    1997-01-01

    These proceedings cover the sixth alumni conference of the International Space University, coordinated by the ISU U.S. Alumni Organization, which was held at Rice University in Houston, Texas, on July 11, 1997. The alumni conference gives graduates of the International Space University's interdisciplinary, international, and intercultural program a forum in which they may present and exchange technical ideas, and keep abreast of the wide variety of work in which the ever-growing body of alumni is engaged. The diversity that is characteristic of ISU is reflected in the subject matter of the papers published in this proceedings. This proceedings preserves the order of the alumni presentations given at the 1997 ISU Alumni Conference. As in previous years, a special effort was made to solicit papers with a strong connection to the two ISU 1997 Summer Session Program design projects: (1) Transfer of Technology, Spin-Offs, Spin-Ins; and (2) Strategies for the Exploration of Mars. Papers in the remaining ten sessions cover the departmental areas traditional to the ISU summer session program.

  5. National 4-H School Enrichment Survey.

    ERIC Educational Resources Information Center

    Diem, Keith G.

    2001-01-01

    A survey of 4-H school enrichment programs (813 responses) found that they reach large numbers of diverse youth and develop credibility with community and schools. Long-term programs such as 4-H clubs have proven effective in helping youth develop life skills, but Extension must carefully consider the purpose and consequences of diverting…

  6. Holding on to 4-H Leaders.

    ERIC Educational Resources Information Center

    Hass, Glen

    1979-01-01

    Data from a survey of 4-H Club leaders in Saskatchewan, Canada, were used to determine the effect of attendance at leadership training events on leaders' decisions to re-enroll or discontinue. It was found that involvement in 4-H activities, supported by leadership training, increased leaders' satisfaction and likelihood of re-enrolling. (MF)

  7. Strengthening 4-H Program Communication through Technology

    ERIC Educational Resources Information Center

    Robideau, Kari; Santl, Karyn

    2011-01-01

    Advances in technology are transforming how youth and parents interact with programs. The Strengthening 4-H Communication through Technology project was implemented in eight county 4-H programs in Northwest Minnesota. This article outlines the intentional process used to effectively implement technology in program planning. The project includes:…

  8. Community Development: A 4-H Intern Report.

    ERIC Educational Resources Information Center

    Scheneman, C. Stephen

    State progress reports on the 4-H/Community Development program, a 1973 nationwide Federally sponsored program facilitating youth in community decision-making processes, indicate that the program appears to be evolving into a viable and integral part of the total 4-H program. Although the report describes unique program features of various States,…

  9. A Status Report on the AAS Astronomy Ambassadors Program

    NASA Astrophysics Data System (ADS)

    Fienberg, Richard Tresch; Fraknoi, Andrew; Gurton, Suzanne; Hurst, Anna; Schatz, Dennis L.

    2014-06-01

    The American Astronomical Society, in partnership with the Astronomical Society of the Pacific (ASP), has launched a series of professional-development workshops and a community of practice designed to improve early-career astronomers’ ability to communicate effectively with students and the public. Called AAS Astronomy Ambassadors, the program provides training and mentoring for young astronomers, from advanced undergraduates to beginning faculty; it also provides them access to resources and a network of contacts within the astronomy education and public outreach (EPO) community. Ambassadors are provided with a library of outreach activities and resource materials suitable for a range of venues and audiences. For much of this library we are using resources developed by organizations such as the ASP, the Pacific Science Center, and the Center for Astronomy Education for other outreach programs, though some resources have been created by one of us (AF) specifically for this program. After a period of evaluation and revision, the program’s “Menu of Outreach Opportunities for Science Education” (MOOSE) is now posted on the AAS website at http://aas.org/outreach/moose-menu-outreach-opportunities-science-education.The first two Astronomy Ambassadors workshops were held at AAS meetings in January 2013 and January 2014; each served 30 young astronomers chosen from about twice that many applicants. Web-based follow-up activities are being provided through a website at the ASP designed to keep cohorts of educators trained in their programs in touch with one another. The AAS is exploring ways to fund additional workshops at future winter meetings; suggestions are most welcome. Meanwhile, the Astronomy Ambassadors trained to date have logged more than 150 outreach events, reaching many thousands of children and adults across the U.S. and Canada.

  10. Translating the covenant: The behavior analyst as ambassador and translator

    PubMed Central

    Foxx, R. M.

    1996-01-01

    Behavior analysts should be sensitive to how others react to and interpret our language because it is inextricably related to our image. Our use of conceptual revision, with such terms as punishment, has created communicative confusion and hostility on the part of general and professional audiences we have attempted to influence. We must, therefore, adopt the role of ambassador and translator in the nonbehavioral world. A number of recommendations are offered for promoting, translating, and disseminating behavior analysis. PMID:22478256

  11. An Update on the AAS Astronomy Ambassadors Program

    NASA Astrophysics Data System (ADS)

    Fienberg, Richard T.; Gurton, S.; Fraknoi, A.; Prather, E. E.; Hurst, A.; Schatz, D. L.

    2013-06-01

    The American Astronomical Society, partnering with organizations active in science education and public outreach (EPO), has launched a series of professional-development workshops and a community of practice designed to help improve early-career astronomers’ ability to effectively communicate with students and the public. Called Astronomy Ambassadors, the program provides mentoring and training experiences for young astronomers, from advanced undergraduates to beginning faculty; it also provides access to resources and a network of contacts within the astronomy EPO community. By learning how to implement effective education and outreach strategies, Astronomy Ambassadors become better teachers, better presenters at meetings, and better representatives of our science to the public and to government. And because young astronomers are a more diverse group than those who currently do the majority of outreach, they help the astronomical community present a more multicultural and gender-balanced face to the public, enabling members of underserved groups to see themselves as scientists. Ambassadors are provided with a large library of outreach activities and materials that are suitable for a range of venues and audiences and that will grow with time. For much of this library we are using resources developed by organizations such as the Astronomical Society of the Pacific, the Pacific Science Center, and the Center for Astronomy Education for other outreach programs, though some resources have been created by one of us (AF) specifically for this program. The first Astronomy Ambassadors workshop was held at the 221st meeting of the AAS in January 2013 and served 30 young astronomers chosen from more than 75 applicants. Incorporating feedback from workshop participants and lessons learned from the reports they’ve submitted after conducting their own outreach events, we are now planning the second annual workshop to be held 4-5 January 2014 at the 223rd AAS meeting in

  12. Development of an Outreach Program for NASA: "NASA Ambassadors"

    NASA Technical Reports Server (NTRS)

    Lebo, George

    1998-01-01

    The NASA Ambassadors Program is designed to present the excitement and importance of NASA's programs to its customers, the general public. Those customers, which are identified in the "Science Communications Strategy" developed by the Space Sciences Laboratory at the MSFC, are divided into three categories: (1) Not interested and not knowledgeable; (2) Interested but not knowledgeable; and (3) Science attentive. In it they recognize that it makes the most sense to attempt to communicate with those described in the last two categories. However, their plan suggests that the media and the educational institutions are the only means of outreach. The NASA Ambassadors Program allows NASA to reach its target audience directly. Steps to be taken in order for the program to commence: (1) MSFC chooses to support the NASA Ambassadors Program - decision point; (2) Designate an "Office In Charge". (3) Assign the "Operation" phase to in-house MSFC personnel or to a contractor - decision point; (4) Name a point of contact; (5) Identify partners in the program and enlist their assistance; (6) Process an unsolicited proposal from an outside source to accomplish those tasks which MSFC chooses to out-source.

  13. Relationships between 4-H Volunteer Leader Competencies and Skills Youth Learn in 4-H Programs

    ERIC Educational Resources Information Center

    Radhakrishna, Rama; Ewing, John C.

    2011-01-01

    This article examined the relationships between 4-H volunteer leader competencies and skills youth learn in 4-H. Using a descriptive-correlational research, the study reported found significant relationships between leadership competencies and skills youth learn in 4-H. Regression analysis revealed that two variables--skills and…

  14. United Efforts: A Look at Five Programs That Bring Students and Alumni Together.

    ERIC Educational Resources Information Center

    Scalzo, Teresa

    1994-01-01

    Alumni programs involving current students include flood relief at Notre Dame University (Indiana); an Illinois State University extern program; a program matching alumni with students for homecoming activities at the Georgia Institute of Technology; alumni visits to Muhlenberg College (Pennsylvania) classrooms; and career consultation at…

  15. Slicing the Big Marshmallow: Finding Your Market Identity in the Field of Continuing Education for Alumni.

    ERIC Educational Resources Information Center

    Cooper, Robert G.

    1979-01-01

    Alumni represent a tremendous market opportunity for universities. It is suggested that benefit segmentation--benefits sought or needs of a specific market--be used as a method to subdivide the alumni market in order to identify alumni educational needs and motivations, and benefits they seek. (MLW)

  16. Comparing Skills and Competencies for High School, Undergraduate, and Graduate Arts Alumni

    ERIC Educational Resources Information Center

    Miller, Angie L.; Lambert, Amber D.

    2012-01-01

    This study investigates preliminary findings from the 2009 administration of the Strategic National Arts Alumni Project (SNAAP), comparing alumni perceptions of institutional contributions to the development of skills and competencies across high school, undergraduate, and graduate arts training programs. Responses from 4,031 arts alumni suggest…

  17. To Tug Alumni Heartstrings, Bucknell U. Reaches out and Text-Messages Them

    ERIC Educational Resources Information Center

    Foster, Andrea L.

    2007-01-01

    To get money flowing from alumni, colleges try to keep them feeling plugged in to their alma mater--even if the "plug" becomes wireless. Bucknell University rolled out a new service this month that pushes cell phone text messages to its 47,000 alumni. So far only a few dozen alumni have signed up for the service. If the service, which is…

  18. 75 FR 25025 - 60-Day Notice of Proposed Information Collection: Exchange Programs Alumni Web Site Registration...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-05-06

    ... Notice of Proposed Information Collection: Exchange Programs Alumni Web Site Registration, DS-7006 ACTION... Collection: Exchange Programs Alumni Web site Registration. OMB Control Number: None. Type of Request... collection: The State Alumni Web site requires information to process users' voluntary request...

  19. Our House: How to Make the Most of an Alumni Center

    ERIC Educational Resources Information Center

    Fine, Lisa

    2011-01-01

    Alumni houses and centers can seem like mysterious, stately structures to students and others crisscrossing campus. These buildings are usually constructed to serve alumni first and foremost, but by also allowing access to students, other campus departments and offices, and the community at large, alumni associations can bring these buildings to…

  20. An Investigation of the Influence Acknowledgement Programs Have on Alumni Giving Behavior: Implications for Marketing Strategy

    ERIC Educational Resources Information Center

    Bingham, Frank G., Jr.; Quigley, Charles J., Jr.; Murray, Keith B.

    2002-01-01

    Understanding the factors that influence alumni giving is a critical task of institutional marketers and development officers. To better understand the factors that influence alumni support, this research reports the results of a field experiment in which the effect that acknowledgement of alumni contributions has on their subsequent donation…

  1. Alumni Relations in Chinese HEIs: Case Studies of Three Major Universities

    ERIC Educational Resources Information Center

    Zhimin, Luo; Chunlian, Chen; Xian, Wang

    2016-01-01

    Good alumni relations are key to universities and colleges winning support from their graduates. With reference to social capital theory, an important problem in establishing strong alumni relations is how to turn alumni resources, an important university social network, into productive, public, and abundant capital. Based on the established…

  2. Solicitation and Donation: An Econometric Evaluation of Alumni Generosity in Higher Education

    ERIC Educational Resources Information Center

    Gottfried, Michael A.; Johnson, Erica L.

    2006-01-01

    This paper evaluates the relationship between alumni solicitation and alumni donation within institutions of higher education. The issue of alumni giving is important for universities because the average cost of university tuition has increased dramatically over the past 20 years at an annual growth rate larger than the United States CPI (Harvard…

  3. CASE [Council for the Advancement and Support of Education]. Travel. A Booklet for CASE Members Interested in Travel Programs as a Service to Alumni. Volume Two in a Series of Alumni Service Publications.

    ERIC Educational Resources Information Center

    Wintermote, Dick; And Others

    The growth and popularity of travel as a service program for alumni resulted in a 1975 CASE (Council for Advancement and Support of Education) Conference on Alumni Travel Programs. This publication is an outgrowth of that conference. The booklet deals with the reasons why alumni travel and why alumni travel programs are beneficial to participants…

  4. Proceedings of the Seventh International Space University Alumni Conference

    NASA Technical Reports Server (NTRS)

    Bailey, Sheila (Editor)

    1998-01-01

    The Seventh Alumni Conference of the International Space University, coordinated by the ISU U.S. Alumni Organization (IUSAO), was held at Cleveland State University in Cleveland, Ohio on Friday, July 24, 1998. These proceedings are a record of the presentations. The following topics are included: Remote sensing education in developing countries; Integrated global observing strategy; NASA's current earth science program; Europe's lunar initiative; Lunarsat: Searching for the South Polar cold traps; Asteroid hazards; ESA exobiological activities; Space testbed for photovoltaics; Teledesic Space infrastructure; Space instrument's concurrent design; NASA advanced fuel program; Mission preparation and training for the European Robotic Arm (ERA); and Global access to remote sensing systems.

  5. The Second Annual International Space University Alumni Conference

    NASA Technical Reports Server (NTRS)

    Johnson, Les (Compiler); Robinson, Paul A. (Compiler)

    1994-01-01

    The papers presented at the conference reflect the multidisciplinary nature of the International Space University (ISU) and its alumni. The first papers presented hold special relevance to the design projects, and cover such topics as lunar-based astronomical instrumentation, solar lunar power generation, habitation on the moon, and the legal issues governing multinational astronauts conducting research in space. The next set of papers cover various technical issues such as project success assessment, satellite networks and space station dynamics, thus reflecting the diverse backgrounds of the ISU alumni.

  6. Separates. 4-H Textile Science Advanced Project.

    ERIC Educational Resources Information Center

    Scholl, Jan F.

    This booklet, which was developed for use by 4-H club members in Pennsylvania, contains the information required to sew a two-piece nontailored outfit and/or a one-or two-piece dress. The following are among the topics covered: the difference between a fiber and a fabric; properties of different fibers and fabrics; common jacket, neckline, sleeve,…

  7. 4-H Textile Science Textile Arts Projects.

    ERIC Educational Resources Information Center

    Scholl, Jan

    This packet contains three 4-H textile arts projects for students in the textile sciences area. The projects cover weaving, knitting, and crocheting. Each project provides an overview of what the student will learn, what materials are needed, and suggested projects for the area. Projects can be adapted for beginning, intermediate, or advanced…

  8. 4-H Science Inquiry Video Series

    ERIC Educational Resources Information Center

    Green, Jeremy W.; Black, Lynette; Willis, Patrick

    2013-01-01

    Studies support science inquiry as a positive method and approach for 4-H professionals and volunteers to use for teaching science-based practices to youth. The development of a science inquiry video series has yielded positive results as it relates to youth development education and science. The video series highlights how to conduct science-rich…

  9. Using an Alumni Interview to Promote Rhetorical Sophistication

    ERIC Educational Resources Information Center

    Rose, Jeanne Marie

    2006-01-01

    Instructors of business and technical communication have held an ongoing interest in using client projects to give students practical experience negotiating the contingencies of workplace communication. Whereas alumni often serve as contacts for internships and job opportunities and have been identified as resources for assessing business…

  10. Screen Time: Alumni Magazines Have Their Designs on Mobile Devices

    ERIC Educational Resources Information Center

    Walker, Theresa

    2011-01-01

    Alumni magazines have their designs on mobile devices. The efforts are tied together, no matter the platform, by a desire for the magazine to be where its readers are and a spirit of experimentation that is akin to what is happening with social media. None of the magazine editors went into this process with any numerical expectations for…

  11. Beyond the University: An Initiative for Continuing Engagement among Alumni

    ERIC Educational Resources Information Center

    Osborn, David; Alkezweeny, Jennifer; Kecskes, Kevin

    2015-01-01

    In an effort to leverage students' positive community engagement experiences as they transition to and become alumni, Portland State University (PSU) embarked on a pilot "Continuing Engagement Program." This article provides a rationale for this effort, an overview of the programmatic elements, lessons learned, and future engagement…

  12. Do Specialized MBA Programs Cultivate Alumni Relationships and Donations?

    ERIC Educational Resources Information Center

    Johnson, Jennifer Wiggins; Thomas, Veronica; Peck, Joann

    2010-01-01

    A recent trend among universities shifts from traditional MBA programs to specialized MBA offerings. Specialized programs are believed to cultivate stronger relationships with students, which lead to stronger alumni relationships and increased donations. This research tests this empirically by examining relationship perceptions and donation…

  13. Integrating Development, Alumni Relations, and Marketing for Fundraising Success

    ERIC Educational Resources Information Center

    Stevick, Thomas R.

    2010-01-01

    At many institutions, the vice president of institutional advancement oversees the functions of development, alumni relations, and marketing and communications. University leaders expect these functions to be integrated and to work hand-in-hand to advance the institution's mission, particularly in the area of private donations. The reality is that…

  14. Assessing Emphasis Gaps among MBA Alumni: A Model Framework

    ERIC Educational Resources Information Center

    Van Auken, Stuart; Chrysler, Earl; Wells, Ludmilla Gricenko

    2016-01-01

    Purpose: This paper aims to focus on Master of Business Administration (MBA) alumni and their ability to provide institution-specific insights into MBA program delivery. Given desired MBA positioning dimensions, a case exemplar is used to reveal gaps between "should have" program emphases and "actual" emphases. Departures from…

  15. Effectiveness of the 4-H Program as Perceived by Parents of 4-H Participants

    ERIC Educational Resources Information Center

    Radhakrishna, Rama; Foley, Caitlin; Ingram, Patreese; Ewing, John C.

    2013-01-01

    The study reported here examined the effectiveness of 4-H program as perceived by parents of program participants. Descriptive-correlational design was employed, with data collected using a mail survey. Parents perceived 4-H as an effective organization in teaching life skills to youth. Significant relationships were found between parents' skills…

  16. National 4-H Common Measures: Initial Evaluation from California 4-H

    ERIC Educational Resources Information Center

    Lewis, Kendra M.; Horrillo, Shannon J.; Widaman, Keith; Worker, Steven M.; Trzesniewski, Kali

    2015-01-01

    Evaluation is a key component to learning about the effectiveness of a program. This article provides descriptive statistics of the newly developed National 4-H Common Measures (science, healthy living, citizenship, and youth development) based on data from 721 California 4-H youth. The measures were evaluated for their reliability and validity of…

  17. The French Ambassador in Firing Room to watch launch.

    NASA Technical Reports Server (NTRS)

    1999-01-01

    On hand in the Firing Room to watch the launch of STS-103 are (left to right) Joseph Rothenberg, associate administrator, Office of Space Flight; JoAnn Morgan, associate director for Advanced Development and Shuttle Upgrades; and Francois Bujon de L'Estang, ambassador of France. Behind the ambassador is his wife, Madam de L'Estang. One of the STS-103 crew, Mission Specialist Jean-Francois Clervoy, is from France, and a member of the European Space Agency (ESA). Other crew members are Commander Curtis L. Brown Jr. , Pilot Scott J. Kelly and Mission Specialists Steven L. Smith, C. Michael Foale (Ph.D.), John M. Grunsfeld (Ph.D.) and Claude Nicollier of Switzerland (also with ESA). The mission, to service the Hubble Space Telescope, is scheduled for launch Dec. 19 at 7:50 p.m. EST from Launch Pad 39B. Mission objectives include replacing gyroscopes and an old computer, installing another solid state recorder, and replacing damaged insulation in the telescope. After the 7-day, 21-hour mission, Discovery is expected to land at KSC Monday, Dec. 27, at about 5:24 p.m. EST

  18. WorldWide Telescope Ambassadors, a Year 3 Update

    NASA Astrophysics Data System (ADS)

    Udomprasert, Patricia S.; Goodman, A. A.; Wong, C.

    2013-01-01

    The WorldWide Telescope Ambassadors (WWTA) Program has a track record of inspiring middle school students and getting them excited about science. The WorldWide Telescope (WWT) is a stunningly beautiful and freely available data visualization environment developed by Microsoft Research in collaboration with professional astronomers. Trained volunteer Ambassadors show teachers and students how to use WWT in their classrooms to explore and learn about our Universe. Our initial study has shown that WWT increases student understanding of astrophysical concepts and interest in astronomy and science. As an example of how excited students feel about learning astronomy with WWT, one middle school boy exclaimed, “This is way cooler than Call of Duty!” Our vision is to capitalize on the demonstrated inspirational and educational potential of WWT to increase the number of students who express interest in STEM fields. In this oral presentation, we provide a status update on the WWTA program, including ongoing results from our work with over 700 middle school students to date, and preliminary results from a new NSF-funded study comparing learning and interest gains for students studying Moon phases with WWT vs with the 2-dimensional simulator activity that accompanies their textbook. More information is available at wwtambassadors.org

  19. VIBRATIONALLY EXCITED C{sub 4}H

    SciTech Connect

    Cooksy, Andrew L.; Gottlieb, C. A.; Thaddeus, P.; Patel, Nimesh A.; Young, Ken H.; McCarthy, M. C.; Killian, T. C.

    2015-02-01

    Rotational spectra in four new excited vibrational levels of the linear carbon chain radical C{sub 4}H were observed in the millimeter band between 69 and 364 GHz in a low pressure glow discharge, and two of these were observed in a supersonic molecular beam between 19 and 38 GHz. All have rotational constants within 0.4% of the X{sup 2}Σ{sup +} ground vibrational state of C{sub 4}H and were assigned to new bending vibrational levels, two each with {sup 2}Σ and {sup 2}Π vibrational symmetry. The new levels are tentatively assigned to the 1ν{sub 6} and 1ν{sub 5} bending vibrational modes (both with {sup 2}Π symmetry), and the 1ν{sub 6}+1ν{sub 7} and 1ν{sub 5}+1ν{sub 6} combination levels ({sup 2}Σ symmetry) on the basis of the derived spectroscopic constants, relative intensities in our discharge source, and published laser spectroscopic and quantum calculations. Prior spectroscopic constants in the 1ν{sub 7} and 2ν{sub 7} levels were refined. Also presented are interferometric maps of the ground state and the 1ν{sub 7} level obtained with the Submillimeter Array (SMA) near 257 GHz which show that C{sub 4}H is present near the central star in IRC+10216. We found no evidence with the SMA for the new vibrationally excited levels of C{sub 4}H at a peak flux density averaged over a 3{sup ′′} synthesized beam of ⩾0.15 Jy/beam in the 294–296 and 304–306 GHz range, but it is anticipated that rotational lines in the new levels might be observed in IRC+10216 when ALMA attains its full design capability.

  20. Forks in the Road: The Many Paths of Arts Alumni--Strategic National Arts Alumni Project 2010 Findings

    ERIC Educational Resources Information Center

    Strategic National Arts Alumni Project, 2011

    2011-01-01

    More than 120,000 visual and performing arts degrees are granted each year (Americans for the Arts, 2010) and stereotypes abound about what happens to these people. One common view is that few make a living doing art and are dissatisfied with their education and career opportunities. Findings from the Strategic National Arts Alumni Project (SNAAP)…

  1. Learnings and Recommendations to Advance 4-H Science Readiness

    ERIC Educational Resources Information Center

    Schmitt-McQuitty, Lynn; Carlos, Ramona; Smith, Martin H.

    2014-01-01

    The case study investigation reported here assessed California 4-H professionals' understanding of the essential components of effective 4-H Science programming as established by the National 4-H Science Mission Mandate. Using the 4-H Science Checklist as the basis for defining 4-H Science Readiness, academic and program staff were surveyed and…

  2. Black College Alumni Giving: A Study of the Perceptions, Attitudes, and Giving Behaviors of Alumni Donors at Selected Historically Black Colleges and Universities

    ERIC Educational Resources Information Center

    Cohen, Rodney T.

    2006-01-01

    Historically, Historically Black Colleges and Universities (HBCUs) have struggled in their attempt to solicit financial gifts from its alumni. Traditionally, black college alumni have appeared to show negligence in their effort to support their alma maters. As a result, many black colleges have ignored them as potential donors. This lack of…

  3. Development of an Outreach Program for NASA: "NASA Ambassadors"

    NASA Technical Reports Server (NTRS)

    Lebo, George R.

    1996-01-01

    It is widely known that the average American citizen has either no idea or the wrong impression of what NASA is doing. The most common impression is that NASA's sole mission is to build and launch spacecraft and that the everyday experience of the common citizen would be impacted very little if NASA failed to exist altogether. Some feel that most of NASA's efforts are much too expensive and that the money would be better used on other efforts. Others feel that most of NASA's efforts either fail altogether or fail to meet their original objectives. Yet others feel that NASA is so mired in bureaucracy that it is no longer able to function. The goal of the NASA Ambassadors Program (NAP) is to educate the general populace as to what NASA's mission and goals actually are, to re-excite the "man on the street" with NASA's discoveries and technologies, and to convince him that NASA really does impact his everyday experience and that the economy of the U.S. is very dependent on NASA-type research. Each of the NASA centers currently run a speakers bureau through its Public Affairs Office (PAO). The speakers, NASA employees, are scheduled on an "as available" status and their travel is paid by NASA. However, there are only a limited number of them and their message may be regarded as being somewhat biased as they are paid by NASA. On the other hand, there are many members of NASA's summer programs which come from all areas of the country. Most of them not only believe that NASA's mission is important but are willing and able to articulate it to others. Furthermore, in the eyes of the public, they are probably more effective as ambassadors for NASA than are the NASA employees, as they do not derive their primary funding from it. Therefore it was decided to organize materials for them to use in presentations to general audiences in their home areas. Each person who accepted these materials was to be called a "NASA Ambassador".

  4. Contributions of Diesel Truck Emissions to Indoor Elemental Carbon Concentrations in Home Proximate to Ambassador Bridge

    EPA Science Inventory

    Ambassador Bridge, connecting Detroit, Michigan and Windsor, Ontario, is the busiest international commercial vehicle crossing in North America, with a large percentage of heavy duty diesel trucks. This study seeks to examine the contribution of diesel truck traffic across Ambass...

  5. Minnesota 4-H Science of Agriculture Challenge: Infusing Agricultural Science and Engineering Concepts into 4-H Youth Development

    ERIC Educational Resources Information Center

    Rice, Joshua E.; Rugg, Bradley; Davis, Sharon

    2016-01-01

    Youth involved in 4-H projects have been engaged in science-related endeavors for years. Since 2006, 4-H has invested considerable resources in the advancement of science learning. The new Minnesota 4-H Science of Agriculture Challenge program challenges 4-H youth to work together to identify agriculture-related issues in their communities and to…

  6. Diversity Inclusion in 4-H Youth Programs: Examining the Perceptions among West Virginia 4-H Youth Professionals

    ERIC Educational Resources Information Center

    LaVergne, Douglas D.

    2013-01-01

    The study reported here sought to examine the perceptions of 4-H youth professionals towards diversity inclusion in 4-H youth programs. A majority of professionals positively reported that there are benefits for youth of color and youth with disabilities in 4-H youth programs. Respondents indicated that the lack of information about 4-H youth…

  7. Curtiss JN-4H Towing Model Wing

    NASA Technical Reports Server (NTRS)

    1921-01-01

    In 1919 the NACA Langley laboratory received its first three research aircraft which were Curtiss JN-4Hs borrowed from the US Army Air Service at Langley Field. One of the first research projects of the laboratory initiated that year was a flight investigation of the lift and drag characteristics of the JN-4H. One of the objectives of the flight tests was to obtain data for correlation with wind-tunnel test results measured at MIT and to aid in the derivation of techniques for extrapolation of model results to full-scale conditions. In a pioneering aeronautical effort in 1920, pressure orifices were installed in the horizontal tail of one of the Jennies and connected to glass manometers for pressure measurements that could be photographed in flight. The NACA also used the aircraft in some of the earliest experiments on maneuverability in 1921. In addition to serving as test subjects, the aircraft were used for measurements of aerodynamic behavior of aircraft components. In this photograph made in 1921, one of the JN- 4Hs is towing a model of an aircraft wing to obtain lift and drag information for comparison to tunnel results. All three Jenny aircraft departed Langley in 1923. Reference: 'Flying the Frontiers: NACA and NASA Experimental Aircraft' by Arthur Pearcy. Naval Institute Press, 1993. ISBN 1-55750-258-7

  8. Alumni Go Europe: A Lifelong Learning Grundtvig Project--2008-2010

    ERIC Educational Resources Information Center

    Council for Advancement and Support of Education, 2010

    2010-01-01

    This article reports on the results of a two-year project to strengthen and enhance alumni relations programmes at European universities. Members of the "Alumni go Europe" partnership include CASE Europe, the University of Linz in Austria, the University of Navarra in Spain, and the University of Siegen in Germany. The project is funded…

  9. Examining Student Identification with the Alumni Organization at a 4-Year Commuter Campus

    ERIC Educational Resources Information Center

    Newbold, John J.; Mehta, Sanjay S.; Forbus, Patricia R.

    2010-01-01

    Past research has identified several institutional and individual antecedents that lead to greater intent to support an organization. This paper takes an organizational identification approach in developing an Alumni Relationship Model (ARM) that can be used by universities to generate greater support for their Alumni services activities. This…

  10. What They Take with Them: Findings from the Peer Writing Tutor Alumni Research Project

    ERIC Educational Resources Information Center

    Hughes, Bradley; Gillespie, Paula; Kail, Harvey

    2010-01-01

    Through the Peer Writing Tutor Alumni Research Project (PWTARP), the authors have set out to explore and document what peer tutors take with them from their training and experience. The Peer Writing Tutor Alumni Research Project has made it possible for the authors to sample and analyze more systematically the reflections of 126 former tutors from…

  11. Predicting Alumni/ae Gift Giving Behavior: A Structural Equation Model Approach.

    ERIC Educational Resources Information Center

    Mosser, John Wayne

    This dissertation focuses on predicting alumni gift giving behavior at a large public research university (University of Michigan). A conceptual model was developed for predicting alumni giving behavior in order to advance the theoretical understanding of how capacity to give, motivation to give, and their interaction effect gift giving behavior.…

  12. At the Heart of the Issue: The Alumni Magazine Consortium Brings New Life to Campus Periodicals.

    ERIC Educational Resources Information Center

    Hancock, Elise

    1983-01-01

    The costs of producing an alumni magazine led to the establishment of the Alumni Magazine Consortium by John Hopkins, Rensselaer Polytechnic, Franklin and Marshall College, Worcester Polytechnic, and Hartwick College. A 16-page core of material in the center of each magazine is wrapped with a client school manuscript. (MLW)

  13. The Leadership Ladder: How an Alumni Relations Director Built Her Leadership Toolkit

    ERIC Educational Resources Information Center

    Walton, Anita

    2011-01-01

    Long gone are the days when being an alumnus with great connections and leadership skills meant that one would get the job as the senior alumni relations professional at one's alma mater. Institutions are now seeking alumni relations leaders armed with operational and leadership experience and an understanding of advancement methodology and best…

  14. The Role of Institutional Relations with Alumni Major Donors in Evangelical Higher Education

    ERIC Educational Resources Information Center

    Gardner, Brian J.

    2010-01-01

    American higher education has never been more expensive. Its continued excellence and accessibility depends even more today on charitable subsidy. As previous beneficiaries of that charitable subsidy, alumni are the most logical benefactor of its sustenance. The relatively few alumni who can give most generously make the difference in the success…

  15. The Relationship between Alumni Worldview and Motivation for Giving at Biola University

    ERIC Educational Resources Information Center

    Song, Eun Jung

    2011-01-01

    This research explored the relationship between alumni donors' worldview characteristics and their motivations for supporting and giving to their "alma mater." The sample consisted of the whole alumni donor population (N = 7000) at Biola University, La Mirada, California. The research was conducted using quantitative method, and…

  16. Profiles of Supportive Alumni: Donors, Volunteers, and Those Who "Do It All"

    ERIC Educational Resources Information Center

    Weerts, David J.; Ronca, Justin M.

    2007-01-01

    In the competitive marketplace of higher education, college and university alumni are increasingly called on to support their institutions in multiple ways: political advocacy, volunteerism, and charitable giving. Drawing on alumni survey data gathered from a large research extensive university, we employ a multinomial logistic regression model to…

  17. Influencing Factors of Alumni Giving in Religious Institutions of Higher Education

    ERIC Educational Resources Information Center

    Boal, John R.

    2011-01-01

    The reasons that cause alumni to give to their alma mater have become more significant since 2008. In the recent issue of "Giving USA," the current recession, which began in December 2007 and continued through December 2009, has led to declines of 11.9% in giving to higher education (2010). Alumni giving and the reasons why they give has…

  18. Does Generosity Beget Generosity? Alumni Giving and Undergraduate Financial Aid. NBER Working Paper No. 17861

    ERIC Educational Resources Information Center

    Meer, Jonathan; Rosen, Harvey S.

    2012-01-01

    We investigate how undergraduates' financial aid packages affect their subsequent donative behavior as alumni. The empirical work is based upon micro data on alumni giving at an anonymous research university. We focus on three types of financial aid, scholarships, loans, and campus jobs. A novel aspect of our modeling strategy is that, consistent…

  19. "We Are Like Orphans": Exploring Narratives of Lao Doctoral Alumni Educated in Sweden

    ERIC Educational Resources Information Center

    Silfver, Ann-Louise; Berge, Britt-Marie

    2016-01-01

    In this article, we explore the narratives of 10 doctoral alumni from Lao People's Democratic Republic (PDR) who underwent graduate training in Sweden. The narratives identify challenges encountered by the alumni but more importantly reveal the agency by which these challenges were overcome. The most important strategy was that of collaborative…

  20. Stronger Bonds: Six Building Blocks for a Better Alumni Giving Program

    ERIC Educational Resources Information Center

    Skari, Lisa; Ullman, Ellen

    2012-01-01

    Community colleges for a long time have operated under the misguided assumption that they should not waste time or resources prospecting and cultivating their alumni in hopes of generating philanthropic support. How could two-year colleges possibly compete with the success of alumni giving at four-year universities--with their selective admissions…

  1. African American Alumni Feelings of Attachment to a Predominately White Research Intensive University

    ERIC Educational Resources Information Center

    Burley, Hansel; Butner, Bonita; Causey-Bush, Tonia; Bush, Lawson, V

    2007-01-01

    The authors examined African American alumni opinions of their experience at a predominately white research intensive university from the development office's perspective. Research on decades of African American alumni opinions of their alma mater is nonexistent. Gender, financial aid and matriculation period were the independent variables. The…

  2. Alumni Offices Use Electronic Media to Forge Closer Ties with Graduates.

    ERIC Educational Resources Information Center

    Leibowitz, Wendy R.

    1999-01-01

    Describes efforts at several universities to maintain ongoing contact with alumni through e-mail lists, Web sites and CD-ROM, or on-line alumni directories. Examples of such activities at Stanford University (California), Caltech (California), Dickinson College (Pennsylvania), and Princeton University (New Jersey) are highlighted. (DB)

  3. 75 FR 66413 - 30-Day Notice of Proposed Information Collection: Exchange Programs Alumni Web Site Registration...

    Federal Register 2010, 2011, 2012, 2013, 2014

    2010-10-28

    ... Notice of Proposed Information Collection: Exchange Programs Alumni Web Site Registration, DS-7006 ACTION... burden on those who are to respond. Abstract of Proposed Collection The Exchange Programs Alumni Web site requires information to process users' voluntary requests for participation in the Web site. Other...

  4. 78 FR 40820 - 60-Day Notice of Proposed Information Collection: Exchange Programs Alumni Web Site Registration

    Federal Register 2010, 2011, 2012, 2013, 2014

    2013-07-08

    ... Notice of Proposed Information Collection: Exchange Programs Alumni Web Site Registration ACTION: Notice.... ADDRESSES: You may submit comments by any of the following methods: Web: Persons with access to the Internet... of Information Collection: Exchange Programs Alumni Web site Registration OMB Control Number:...

  5. Hail to Thee, Our Alma Mater: Alumni Role Identity and the Relationship to Institutional Support Behaviors

    ERIC Educational Resources Information Center

    McDearmon, J. Travis

    2013-01-01

    With the decline in state and federal support for higher education continuing to plague colleges and universities across the U.S., many institutions are looking to increase the levels of support annually received from alumni and other constituencies. Research on alumni relations in American colleges and universities has historically focused on…

  6. The Impact of Athletic Performance on Alumni Giving: An Analysis of Microdata

    ERIC Educational Resources Information Center

    Meer, Jonathan; Rosen, Harvey S.

    2009-01-01

    An ongoing controversy in the literature on the economics of higher education centers on whether the success of a school's athletic program affects alumni donations. This paper uses a unique data set to investigate this issue. The data contain detailed information about donations made by alumni of a selective research university as well as a…

  7. Narrowing the Field: Achieve Engagement Outcomes Faster by Targeting Potential Alumni Leaders

    ERIC Educational Resources Information Center

    Coolman, Jason

    2013-01-01

    Traditional alumni relations programs are about prompting graduates to do something--anything--for or with the institution. In this article, the author proposes something different: an outcome-oriented alumni relations programming model, which the author calls "strategic advancement," that focuses on smaller, targeted sets of graduates…

  8. Giving Back: Outstanding Alumni Stress the Importance of Community and Public Service

    ERIC Educational Resources Information Center

    Ullman, Ellen

    2010-01-01

    This article features several community college alumni who share how community colleges contributed to their success later in their lives and how they are inspired to give back. These outstanding alumni stress the importance of community and public service. They include: (1) Dr. Richard Carmona, U.S. Surgeon General from 2002 to 2006; (2) Colonel…

  9. What's the Best Course? Evidence from Alumni on the Value of Business Presentations Preparation

    ERIC Educational Resources Information Center

    Marcel, Mary

    2015-01-01

    Developing effective presentation skills is a core competence skill for business communicators. Self-report data from a survey of 1,610 2- to 12-year business alumni show that 37.1% present monthly and 27.9% present weekly in their current positions. Alumni who completed a general public speaking course, or both managerial communication and a…

  10. Factors Associated with Non-Traditional and Traditional Undergraduate Alumni Giving to Alma Maters

    ERIC Educational Resources Information Center

    Johnson, Elizabeth Ann Miller

    2013-01-01

    Both public and private institutions of higher education face revenue shortfalls. In order to close budget gaps, colleges and universities must identify new revenue sources. Historically alumni are large providers of voluntary support to higher education institutions, but the numbers of alumni contributing financially is decreasing. The purpose of…

  11. The Determinants of Donative Revenue Flows from Alumni of Higher Education: An Empirical Inquiry.

    ERIC Educational Resources Information Center

    Cunningham, Brendan M.; Cochi-Ficano, Carlena K.

    2002-01-01

    Data on alumni donations and institutional characteristics for 415 colleges/universities were analyzed using ordinary least squares. Results indicate that the following factors affect the flow of alumni donations: institution's academic reputation, scholastic aptitude of enrolled student body, faculty-student ratio, and vocational choices of…

  12. The Influence of Institutional Experiences on the Development of Creative Thinking in Arts Alumni

    ERIC Educational Resources Information Center

    Miller, Angie L.; Dumford, Amber D.

    2015-01-01

    Previous research has suggested that several different aspects of one's environment can impact creativity. Using data from the Strategic National Arts Alumni Project (SNAAP), this study explored whether satisfaction with aspects of the institutional experience contributed to the perceived development of creative thinking in arts alumni, and…

  13. Benchmarking Alumni Relations in Community Colleges: Findings from a 2015 CASE Survey. CASE White Paper

    ERIC Educational Resources Information Center

    Paradise, Andrew

    2016-01-01

    Building on the inaugural survey conducted three years prior, the 2015 CASE Community College Alumni Relations survey collected additional insightful data on staffing, structure, communications, engagement, and fundraising. This white paper features key data on alumni relations programs at community colleges across the United States. The paper…

  14. Alumni Can Pay Their Way: How to Make a Dues Program Work for You.

    ERIC Educational Resources Information Center

    Barnum, James A.

    1980-01-01

    It is proposed that retaining and promoting membership in alumni associations should have equal attention. An attractive membership benefits package can help retain members. Direct-mail promotion can take a number of forms, capitalizing on alumni's varied perceptions and motivations. A calendar is given for targeting promotions. (MSE)

  15. Alumni Engaging Students from Under-Served Groups in Southern Appalachia

    ERIC Educational Resources Information Center

    Williams, Mitchell R.; Leatherwood, Laura; Byrd, Laura; Boyd, Monica S.; Pennington, Kevin

    2010-01-01

    The study explores how alumni can help community colleges in Southern Appalachia to create greater access for people in groups which are traditionally under-served by higher education. Semi-structured interviews conducted with alumni program directors and admissions officers at seven community colleges in the Southern Appalachian Region explore…

  16. Health and Economic Outcomes in the Alumni of the Wounded Warrior Project: 2010-2012

    DTIC Science & Technology

    2014-01-01

    46 Strategic Objective 2e: Decrease the Percentage of Alumni Who Are Overweight or Obese ...83 Strategic Objective 2e: Decrease the Percentage of Alumni Who Are Overweight or Obese . . . . . . . . . 83...3.18. Are Wounded Warriors Obese

  17. Reunion Is in Hand: Princeton Enhances a Major Alumni Event with Mobile Technology

    ERIC Educational Resources Information Center

    Gossen, Andrew

    2009-01-01

    Mobile technology is an effective way of conveying information to alumni, especially during a major event. Alumni appreciate not only access to information in a convenient medium, but also efforts to engage with them through new technology. Like so many of the best ideas at Princeton University, the creation of Reunions Mobile emerged from…

  18. The Relationship between Alumni Presence on the Governing Board and Institutional Support

    ERIC Educational Resources Information Center

    Bourgeois, Sheryl A.

    2013-01-01

    Donations from alumni have historically been a leading source of charitable support for higher education. But in recent years, alumni supportiveness has been on a steady decline. Participation rates and gift sizes are at their lowest levels ever recorded. Nowhere is this issue more pressing than at private, master's comprehensive…

  19. Opportunities and Challenges for Building Alumni Networks in Sweden: A Case Study of Stockholm University

    ERIC Educational Resources Information Center

    Ebert, Karin; Axelsson, Leona; Harbor, Jon

    2015-01-01

    Because of the potential value of alumni involvement for student success, for connections to society and as a base for future philanthropy, there is growing interest in developing university alumni relations programmes in countries that do not have a long tradition in this area. This case study of Stockholm University describes the goals,…

  20. University of California at Los Angeles: Translating Alumni Loyalty into Donations

    ERIC Educational Resources Information Center

    Strout, Erin

    2006-01-01

    When the University of California at Los Angeles (UCLA) ended a $3-billion campaign in December, the effort was known as a success not only because of its large goal, but also because of the high participation by alumni. Three out of every 10 alumni made a donation, accounting for 22 percent of the total take. Now the institution faces the…

  1. Influences on Perceived Career Success: Findings from US Graduate Business Degree Alumni

    ERIC Educational Resources Information Center

    Cocchiara, Faye K.; Kwesiga, Eileen; Bell, Myrtle P.; Baruch, Yehuda

    2010-01-01

    Purpose: The purpose of this paper is to examine the perceptions of US MBA and specialist master's degree alumni to determine the influence that their degree program experiences had on subsequent perceptions of career success. Design/methodology/approach: Data were collected from 318 alumni MBA and specialist master's degree recipients from a…

  2. Deaf Studies Alumni Perceptions of the Academic Program and Off-Campus Internship

    ERIC Educational Resources Information Center

    Cooper, Sheryl B.; Emanuel, Diana C.; Cripps, Jody H.

    2012-01-01

    Alumni of an undergraduate Deaf studies program completed an online survey about their education and employment after graduation and their perceptions of their internship and undergraduate academic program. Demographically, this population of Deaf studies alumni represented a higher percentage of women and dual-major graduates than was present in…

  3. A Quantitative Analysis of Recessions and Financial Changes in Higher Education Institution Alumni Programs

    ERIC Educational Resources Information Center

    Dos Santos, Alves

    2013-01-01

    The study examined the relationship between recession and alumni contributions to institutions of higher education for operational expenses and capital expenditures that include property, buildings, and equipment. Identifying variables that may decrease alumni contributions is important because decreased state funding for higher education…

  4. Benchmarking Alumni Relations in Community Colleges: Findings from a 2012 CASE Survey. CASE White Paper

    ERIC Educational Resources Information Center

    Paradise, Andrew; Heaton, Paul

    2013-01-01

    In 2011, CASE founded the Center for Community College Advancement to provide training and resources to help community colleges build and sustain effective fundraising, alumni relations and communications and marketing programs. This white paper summarizes the results of a groundbreaking survey on alumni relations programs at community colleges…

  5. A Little Help from Their Friends: Institutions Build Armies of Alumni Advocates to Influence Legislators and Shape Public Opinion

    ERIC Educational Resources Information Center

    Simonetti, Kristin

    2013-01-01

    Institutions build armies of alumni advocates to influence legislators and shape public opinion. This article describes two types of alumni advocacy: grasstops and grassroots. Grasstops advocacy engages smaller, targeted groups of alumni who have a stronger, more influential connection with legislators and other public officeholders. Grassroots…

  6. On the Same Flight: Decentralized Alumni Staff Members Work Apart from Their Central Office but Have the Same Goals

    ERIC Educational Resources Information Center

    Scully, Maura King

    2011-01-01

    Colleges, schools, and faculties at large universities form strong academic bonds with students. So is it any wonder they want a say in keeping these students engaged as alumni? To provide that input, many larger institutions are decentralizing their alumni operations, meaning that colleges, schools, and faculties have their own alumni staff…

  7. Alumni Serenade: A Medley of 17 Off-Campus Activities to Have Them Singing Your School's Praises.

    ERIC Educational Resources Information Center

    Cummings, Peter

    1983-01-01

    Some off-campus activities for alumni are outlined including: a bluegrass music performance for Carleton College alumni, a week-long "alumni summer college" offered by Lehigh University, and a week-long boat trip down the Colorado River for Arizona State University groups. (MLW)

  8. The Perceived Relationship between Men's Intercollegiate Athletics and General Alumni Giving at Boston College from 1996-2005

    ERIC Educational Resources Information Center

    Sammartino, Hallie G.

    2010-01-01

    This qualitative case study examines the importance of men's intercollegiate athletics for alumni giving at Boston College for a 10-year period, based on the perceptions of 21 Boston College administrators and alumni. This study explores how athletics at Boston College engages alumni in ways that may eventually lead to their financial support of…

  9. Deaf studies alumni perceptions of the academic program and off-campus internship.

    PubMed

    Cooper, Sheryl B; Emanuel, Diana C; Cripps, Jody H

    2012-01-01

    Alumni of an undergraduate Deaf studies program completed an online survey about their education and employment after graduation and their perceptions of their internship and undergraduate academic program. Demographically, this population of Deaf studies alumni represented a higher percentage of women and dual-major graduates than was present in the general university population. It was found that most of the alumni reported using the knowledge and skills from the Deaf studies program in their current job. Current employment among alumni was almost 100%, and most of the alumni had positive perceptions regarding their personal, academic, and professional growth as it related to their internship and undergraduate Deaf studies program. The study findings underscore the need for continued support of Deaf studies programs. Suggestions are provided for program directors regarding the development of internships and academic programs for students in Deaf studies.

  10. The Big E (Energy). 4-H Energy Project. 4-H Member's E-Book, Unit 1.

    ERIC Educational Resources Information Center

    Caldwell, William; And Others

    This activity and record book is designed for unit 1 (ages 9-11) of the Nebraska 4-H Energy Project. In this project, members are required to: (1) use energy wisely by closing doors and turning off lights; (2) inspecting homes for energy use at least once; (3) judging the best use of lighting in a home; (4) sharing ideas about energy use in a…

  11. The French Ambassador in Firing Room to watch launch.

    NASA Technical Reports Server (NTRS)

    1999-01-01

    In the Firing Room (left to right) Joseph Rothenberg, associate administrator, Office of Space Flight; JoAnn Morgan, associate director for Advanced Development and Shuttle Upgrades; and Madam de L'Estang and Francois Bujon de L'Estang, ambassador of France, wait for the launch of STS-103. One of the STS-103 crew, Mission Specialist Jean-Francois Clervoy, is from France, and a member of the European Space Agency (ESA). Other crew members are Commander Curtis L. Brown Jr. , Pilot Scott J. Kelly and Mission Specialists Steven L. Smith, C. Michael Foale (Ph.D.), John M. Grunsfeld (Ph.D.) and Claude Nicollier of Switzerland (also with ESA). The mission, to service the Hubble Space Telescope, is scheduled for launch Dec. 19 at 7:50 p.m. EST from Launch Pad 39B. Mission objectives include replacing gyroscopes and an old computer, installing another solid state recorder, and replacing damaged insulation in the telescope. After the 7-day, 21-hour mission, Discovery is expected to land at KSC Monday, Dec. 27, at about 5:24 p.m. EST.

  12. Using Digital Classrooms to Conduct 4-H Club Meetings

    ERIC Educational Resources Information Center

    West, Patricia; Fuhrman, Nicholas E.; Morgan, A. Christian; Duncan, Dennis W.

    2012-01-01

    Using computer technology and digital classrooms to conduct 4-H Club meetings is an efficient way to continue delivering quality 4-H programming during times of limited resources and staff. Nineteen Junior and Senior 4-H'ers participated in seven digital classroom workshops using the Wimba Classroom application. These digital classroom sessions…

  13. Hamsters?! What Does 4-H Stand for, Anyway?

    ERIC Educational Resources Information Center

    Grundeen, Brenda

    This paper briefly traces the history of 4-H youth development programs, explains what youth development is, and shows how the experiential learning model is used in 4-H. Begun over 75 years ago as a means of extending the learning of the land-grant university to rural youth, 4-H is part of the Cooperative Extension Service. The curriculum…

  14. The 4-H Club Meeting: An Essential Youth Development Strategy

    ERIC Educational Resources Information Center

    Cassels, Alicia; Post, Liz; Nestor, Patrick I.

    2015-01-01

    The club meeting has served as a key delivery method for 4-H programming across the United States throughout its history. A survey of WV 4-H community club members reinforces the body of evidence that the 4-H club meeting is an effective vehicle for delivering positive youth learning opportunities within the umbrella of the Essential Elements of…

  15. Factors Affecting Teen Involvement in Pennsylvania 4-H Programming

    ERIC Educational Resources Information Center

    Gill, Bart E.; Ewing, John C.; Bruce, Jacklyn A.

    2010-01-01

    The study reported here determined the factors that affect teen involvement in 4-H programming. The design of the study was descriptive and correlational in nature. Using a purposive sampling procedure, a survey questionnaire was distributed to all (N=214) 4-H members attending the 4-H State Leadership Conference. The major findings of the study…

  16. Katherine the Great: There Couldn't Be a Better Choice for Our New Kids' Book Ambassador than Katherine Paterson

    ERIC Educational Resources Information Center

    Horning, Kathleen T.

    2010-01-01

    Mere days before the announcement of the new children's book ambassador, speculation was still running wild. However, when the Library of Congress introduced Katherine Paterson as the new kids' book ambassador on January 5, the choice was greeted with unrivaled enthusiasm. A two-time winner of the Newbery Medal (for "Bridge to…

  17. 115-year-old society knows how to reach young scientists: ASM Young Ambassador Program.

    PubMed

    Karczewska-Golec, Joanna

    2015-12-25

    With around 40,000 members in more than 150 countries, American Society for Microbiology (ASM) faces the challenge of meeting very diverse needs of its increasingly international members base. The newly launched ASM Young Ambassador Program seeks to aid the Society in this effort. Equipped with ASM conceptual support and financing, Young Ambassadors (YAs) design and pursue country-tailored approaches to strengthen the Society's ties with local microbiological communities. In a trans-national setting, the active presence of YAs at important scientific events, such as 16th European Congress on Biotechnology, forges new interactions between ASM and sister societies. The paper presents an overview of the Young Ambassadors-driven initiatives at both global and country levels, and explores the topic of how early-career scientists can contribute to science diplomacy and international relations.

  18. Mars ROCKS! in North Dakota, Solar System Ambassador Program in North Dakota

    NASA Technical Reports Server (NTRS)

    Milford, C. R.; Marek, M.

    2005-01-01

    Mars is Rock'n in the Midwest! With a total of 5 currently running space missions exploring the red planet, what can teachers locally do to bring Mars into the classroom and capitalize on free and low-cost resources to teach Earth Science in terms of Mars? The NASA/JPL Solar System Ambassador is one such resource that Earth science teachers in the region can utilize. Currently only one Solar System Ambassador exists in the whole state of North Dakota. North Dakota is a rural state with the majority of its population concentrated on the eastern frindges which include the cities of Grand Forks and Fargo. The ruralness of the rest of the state provide a interesting challenge for any outreach program especially the solar system ambassador program.

  19. Training Young Astronomers in EPO: An Update on the AAS Astronomy Ambassadors Program

    NASA Astrophysics Data System (ADS)

    Fraknoi, A.; Fienberg, R. T.; Gurton, S.; Schmitt, A. H.; Schatz, D.; Prather, E. E.

    2014-07-01

    The American Astronomical Society, with organizations active in EPO, has launched professional-development workshops and a community of practice to help improve early-career astronomers' ability to communicate effectively. Called “Astronomy Ambassadors,” the program provides mentoring and training for participants, from advanced undergraduates to beginning faculty. By learning to implement effective EPO strategies, Ambassadors become better teachers, meeting presenters, and representatives of our science to the public and government. Because young astronomers are a more diverse group than those who now do most outreach, they help the astronomy community present a more multicultural and gender-balanced face to the public, enabling underserved groups to see themselves as scientists. Ambassadors are given a library of outreach activities and materials, including many developed by cooperating organizations such as the ASP, plus some that have been created by Andrew Fraknoi specifically for this program.

  20. Unexpected Stability of Al4H6: a Borane Analog?

    NASA Astrophysics Data System (ADS)

    Xi, Li; Grubisic, Andrej; Stokes, Sarah; Gantefor, Gerd; Bowen, Kit; Boggavarapu, Kiran; Willis, Mary; Jena, Puru; Burgert, Ralph; Schnockel, Hans; Cordes, James

    2007-03-01

    While boron has many hydrides, aluminum has been thought to exhibit relatively few. A combined anion photoelectron and density functional theory computational study of the Al4H6^- anion, and its corresponding neutral, Al4H6, showed that Al4H6 can be understood in terms of the Wade-Mingos rules for electron counting, suggesting that it may be a borane analog. The data support an Al4H6 structure with a distorted tetrahedral aluminum atom framework, four terminal Al-H bonds, and two sets of counter-positioned Al-H-Al bridging bonds. The large HOMO-LUMO gap found for Al4H6 together with its exceptionally high heat of combustion further suggests that Al4H6 may be an important energetic material, if it can be prepared in bulk. This report announces the opening of a new chapter in aluminum-hydrogen chemistry.

  1. Role-Playing in Analytical Chemistry: The Alumni Speak

    NASA Astrophysics Data System (ADS)

    Jackson, Paul T.; Walters, John P.

    2000-08-01

    Cooperative learning constructs take a variety of forms. Over the last 15 years, one such pedagogical structure, role-playing, has been used in the analytical chemistry curriculum at St. Olaf College. A long-term assessment of this teaching method was conducted through use of a survey distributed to alumni graduating between 1987 and 1997. The graduates overwhelmingly indicated that the use of role-playing had a positive impact on their careers as well as their lives. Furthermore, many non-achievement learning outcomes attributed to cooperative learning experiences were reinforced through the survey response. Role-playing created an effective environment in which to develop communication and collaborative skills in addition to the technical skills that are essential to analytical chemistry. These results support continued evolutionary development of this teaching method.

  2. Strategic Analysis of the 2014 Wounded Warrior Project Annual Alumni Survey

    PubMed Central

    Cerully, Jennifer L.; Smith, Meagan; Wilks, Asa; Giglio, Kate

    2016-01-01

    Abstract Wounded Warrior Project® (WWP) provides support and raises public awareness for service members and veterans who incurred physical or mental injury, illness, or wound coincident to their military service on or after September 11, 2001, as well as their families and caregivers. Through WWP, members (Alumni) have access to programs that support four main areas of recovery—engagement, mind, body, and economic empowerment. Using 2014 WWP Annual Alumni Survey data, RAND researchers offer a detailed analysis of how Alumni of different genders, races and ethnicities, military service histories, and service-related health conditions fare in terms of mental health, physical health, and economic well-being. The study also offers recommendations for the organization's decisionmakers to consider in setting goals and creating programs to support WWP Alumni. PMID:28083428

  3. The Big Cheese: Jon Scieszka, National Ambassador for Young People's Literature

    ERIC Educational Resources Information Center

    Minkel, Walter

    2008-01-01

    This article presents an interview with Jon Scieszka, author of "The Stinky Cheese Man and Other Fairly Stupid Tales" who is tapped by the "Children's Book Council" and the Library of Congress's "Center for the Book" as the first National Ambassador for Young People's Literature. A former grade-school teacher, Scieszka is also the creator of Guys…

  4. Evaluation of an Online Youth Ambassador Program to Promote Mental Health

    ERIC Educational Resources Information Center

    Beamish, Nicola; Cannan, Philippa; Fujiyama, Hakuei; Matthews, Allison; Spiranovic, Caroline; Briggs, Kate; Kirkby, Kenneth; Mobsby, Caroline; Daniels, Brett

    2011-01-01

    This article presents results of an evaluation of an online Youth Ambassador (YA) program designed to promote internet resources for mental health in an adolescent population. Results suggest that an online YA program delivered in school is useful in improving mental health awareness for workshop participants. (Contains 1 table.)

  5. Imagining and Moving beyond the ESL Bubble: Facilitating Communities of Practice through the ELL Ambassadors Program

    ERIC Educational Resources Information Center

    Przymus, Steve Daniel

    2016-01-01

    When educators do not facilitate English language learners' (ELLs) social integration in schools, this can perpetuate ELLs' marginalized status and the plateauing of ELLs' English language development. This study highlights a program for secondary ELLs called the ELL Ambassadors program, which partnered ELLs with non-ELLs based on shared…

  6. An Assessment of Energy-Related Career Paths of Senior Industrial Assessment Center Program Alumni

    SciTech Connect

    Martin, M.A.

    2003-10-20

    The purpose of this study was to assess the career paths of alumni from the U.S. Department of Energy's Industrial Assessment Center (IAC) program. IAC was originally named the Energy Analysis and Diagnostic Center (EADC) program when it began in association with four schools in 1976. The current IAC program provides funding to 26 engineering colleges, located in centers across the United States, to conduct energy, waste, and productivity assessments for small- to medium-sized manufacturing establishments within their respective regions. Through part-time employment with the university, students receive training and in turn conduct assessments for local manufacturers, under the direct supervision of engineering faculty. Annually, IAC participants conduct over 700 assessments, and each assessment generates recommendations for energy savings, energy cost savings, and waste and productivity cost savings customized for individual clients. An earlier study determined that energy savings could be attributed to alumni of the IAC program who take their IAC experiences with them to the professional workplace. During their careers, the alumni conduct additional energy assessments as well as influence energy efficiency through design, teaching and training, and other activities. Indeed, a significant level of program benefits can be attributed to the alumni. This project addressed such specific questions as: How many years after graduation are IAC alumni involved in energy-efficiency activities? What different methods do they use to influence energy-efficiency decisions? To answer these questions, the University of Tennessee, Knoxville (UT) surveyed IAC senior alumni, defined as those who graduated in 1995 or earlier. Section 2 describes the survey used in this research. The actual survey can be found in Appendix A. Section 3 describes our approach to data collection. Section 4 presents descriptive statistics about the senior alumni who responded to the survey. Section 5

  7. The Oneida County 4-H Conservation Field Days Conflict.

    ERIC Educational Resources Information Center

    Brown, Stephen C.; Vonhof, Sarah; Kelley, Alicia

    2003-01-01

    Examines the various perspectives held by the three major organizations involved (an environmental citizens group, a local sportsmen's club, and the cooperative extension service) regarding a conflict over a 4-H program involving hunting and wildlife management. Discusses why the 4-H program's attempt to build consensus among the organizations was…

  8. Sewing Skills Progress Chart. 4-H Textile Science.

    ERIC Educational Resources Information Center

    Scholl, Jan F.

    This document, which was developed for use by Pennsylvania 4-H Club leaders and members, is a chart that can be used to help club members determine and document those sewing skills they already have and those they need to learn as they complete one or more 4-H Club sewing projects. The document begins with a note to club leaders and parents that…

  9. Camping with a Purpose...A 4-H Handbook.

    ERIC Educational Resources Information Center

    Heller, John H.; And Others

    The 4-H handbook focuses on factors to consider and things to be done when developing a camping program. Since the emphasis, structure, and administration of 4-H camping varies, the booklet is flexible enough to be adapted to different state, district, and county situations. Major topics are camping's importance to extension education,…

  10. Council of Presidents: A Multifaceted Idea for 4-H

    ERIC Educational Resources Information Center

    Torretta, Alayne

    2015-01-01

    Communication between 4-H professionals and the youth they work with is an important part of a successful 4-H program. By creating a Council of Presidents comprised of officers of all the clubs in your county, you can increase communication while assuring your program addresses all four essential elements. The Council is also as a vehicle for…

  11. Stabilization of 4H hexagonal phase in gold nanoribbons

    PubMed Central

    Fan, Zhanxi; Bosman, Michel; Huang, Xiao; Huang, Ding; Yu, Yi; Ong, Khuong P.; Akimov, Yuriy A.; Wu, Lin; Li, Bing; Wu, Jumiati; Huang, Ying; Liu, Qing; Eng Png, Ching; Lip Gan, Chee; Yang, Peidong; Zhang, Hua

    2015-01-01

    Gold, silver, platinum and palladium typically crystallize with the face-centred cubic structure. Here we report the high-yield solution synthesis of gold nanoribbons in the 4H hexagonal polytype, a previously unreported metastable phase of gold. These gold nanoribbons undergo a phase transition from the original 4H hexagonal to face-centred cubic structure on ligand exchange under ambient conditions. Using monochromated electron energy-loss spectroscopy, the strong infrared plasmon absorption of single 4H gold nanoribbons is observed. Furthermore, the 4H hexagonal phases of silver, palladium and platinum can be readily stabilized through direct epitaxial growth of these metals on the 4H gold nanoribbon surface. Our findings may open up new strategies for the crystal phase-controlled synthesis of advanced noble metal nanomaterials. PMID:26216712

  12. Texas 4-H Agents' Perceptions of Selected Competencies in the 4-H Professional Research, Knowledge, and Competencies Model

    ERIC Educational Resources Information Center

    Harder, Amy; Wingenbach, Gary J.

    2008-01-01

    There are many competencies necessary for success as a 4-H agent. The 4-H Professional Research, Knowledge, and Competencies (PRKC) Model organizes competencies into six domains: (a) Youth Development, (b) Youth Program Development, (c) Volunteerism, (d) Partnerships, (e) Organizational Systems, and (f) Equity, Access and Opportunity (National 4-H…

  13. Julian Lennon Is Global Ambassador for the Lupus Foundation of America | NIH MedlinePlus the Magazine

    MedlinePlus

    ... classic Beatles song, "Lucy in the Sky with Diamonds." As Global Ambassador, Lennon supports public awareness initiatives ... classic Beatles song, "Lucy in the Sky with Diamonds." Lennon has been a long-time supporter of ...

  14. What Kind of Alumni Do Low-Income Students Become? An Investigation of the Relationship between Income-Status and Future Alumni Involvement

    ERIC Educational Resources Information Center

    Laguilles, Jerold S.

    2013-01-01

    As colleges and universities seek to increase the enrollment of low-income students through targeted financial aid strategies, such as no-loans policies, little research has looked into how engaged these future alumni would be as volunteers or donors. Using data from administrative databases at a single institution, this study focused on three…

  15. The Effects of Selected Undergraduate Student Involvement and Alumni Characteristics on Alumni Gift-Giving Behavior at the University of Virginia

    ERIC Educational Resources Information Center

    Steeper, Daniel W.

    2009-01-01

    Public institutions of higher education are currently faced with revenue shortfalls caused primarily by decreasing levels of state support. In order to close these budget gaps, public institutions are increasingly turning to private fundraising activities. Presently, alumni are the single largest provider of private support to institutions of…

  16. UCI Alumni and Their Careers. A Survey of the Graduate Training and Work Experience of the First Decade of the University of California, Irvine Alumni.

    ERIC Educational Resources Information Center

    California Univ., Irvine. Student Affairs Office of Studies and Research.

    The career and educational experiences of the baccalaureate degree recipients of the University of California at Irvine (UCI) during the first decade of its existence, 1965-74, were studied. A response from 2,479 alumni, or 51 percent, provided information concerning: (1) educational attainment; (2) initial employment after graduation; and (3)…

  17. Bridges to a Lifelong Connection: A Study of Ivy Plus Young Alumni Programs Designed to Transition Recent Graduates into Engaged Alumni

    ERIC Educational Resources Information Center

    Wampler, Fredrick Hoopes

    2013-01-01

    Many colleges and universities are starting to work more strategically to educate current students about what is waiting for them in their alumni years after graduation. The idea is to teach students and get them excited that the experience they have with their university is one that will last a lifetime. However and in spite of the success of…

  18. Sodium diffusion in 4H-SiC

    SciTech Connect

    Linnarsson, M. K. Hallén, A.

    2014-09-01

    Sodium diffusion has been studied in p-type 4H-SiC. Heat treatments have been performed from 1200 °C to 1800 °C for 1 min to 4 h. Secondary ion mass spectrometry has been used to measure the sodium distribution. We show that sodium has a considerable mobility at 1200 °C in p-type 4H-SiC. On the other hand for sodium atoms trapped at suitable sites the mobility is limited up to 1800 °C. Trap limited diffusion kinetics is suggested and an effective diffusivity has been extracted with an activation energy of 4 eV for sodium diffusion in p-type 4H-SiC.

  19. CASE [Council for the Advancement and Support of Education] Insurance. A Booklet for CASE members Who Are Considering Adding an Insurance Program to Their Alumni Services. The First in a Series of Alumni Service Publications.

    ERIC Educational Resources Information Center

    Council for the Advancement and Support of Education, Washington, DC.

    This brochure was prepared because of increasing CASE member interest in the possibility of offering life, health, and automobile insurance programs to alumni as a source of additional income to alumni associations and schools. Ideas and approaches to consider before establishing such programs are offered, but neither specific programs nor legal…

  20. Improving Consumer Satisfaction with Addiction Treatment: An Analysis of Alumni Preferences

    PubMed Central

    Sanghani, Ruchi M.; Moler, Alexander K.

    2015-01-01

    Objective. The primary objective of this investigation is to determine which individual and aggregate factors of residential addiction treatment centers are most significant influencers of alumni satisfaction. Design. Survey targeted alumni of residential addiction treatment facilities. Alumni were queried through a survey, which utilized Likert-scale matrices and binary response options: 379 respondents met the completion threshold. Alumni rated amenities and individual and group counseling factors; additionally, respondents provided feedback on two satisfaction proxies: cost worthiness and future recommendations. Descriptive and relational analyses were conducted, with the latter utilizing logistic regression models. Results. Individual factors' scores of group counseling, and overall aggregate group counseling score, are most enthusiastically positive. Group counseling is also the most significant influencer of satisfaction. Other significant influencers of satisfaction are met expectations for individual counseling and psychiatric care offerings. Conclusions. While individual counseling and facility amenities should not be ignored, group counseling may be the most significant influencer of alumni satisfaction. Long-term outcomes are not single-faceted; however, treatment providers should be encouraged to invest in high-quality group counseling offerings in order to best satisfy, and thereby empower, clients. PMID:26483986

  1. Alumni evaluation of a community-oriented master of public health program.

    PubMed

    Jeannot, Emilien; Stoll, Beat; Chastonay, Philippe

    2013-04-01

    Health workforce development is a public health priority for the World Health Organization. Public Health training programs need to be relevant in a public health perspective and efficient in and educational perspective. This implies evaluating the programs: in this regard student's perception might be interesting, or the opinion of external experts, or the experience of alumni. To study the perception of alumni of a master's program in public health in order to reevaluate the goals and objectives of the program, a cross-sectional survey through a self-administered questionnaire among former students that graduated from the Geneva University Master in Public Health program was done. This self-administered questionnaire included closed questions on a Likert five-point scale for regarding the use at work of tools acquired during the course, as well as open questions. Overall the alumni gave a positive evaluation of the course. As strong points were mentioned: networking opportunities, student-centered approach and multi-professional background of the student body. More critically judged were: tutorship, time constraints and costs. As most useful tools in their professional settings alumni mentioned: communication skills, project evaluation competencies and literature search strategies and again networking which in this case seemed to be quite active. Evaluation surveys among alumni allow reevaluation of the program's goals and objectives in the light of their professional needs.

  2. Alumni Perspectives on Career Preparation during a Postdoctoral Training Program: A Qualitative Study

    PubMed Central

    Faupel-Badger, Jessica M.; Raue, Kimberley; Nelson, David E.; Tsakraklides, Sophia

    2015-01-01

    Published evaluations of career preparation of alumni from long-standing postdoctoral fellowship programs in the biomedical sciences are limited and often focus on quantitative analysis of data from extant publicly available sources. Qualitative methods provide the opportunity to gather robust information about specific program elements from structured postdoctoral training programs and the influence of this training on subsequent career paths of alumni. In-depth interviews with a subset of the National Cancer Institute’s Cancer Prevention Fellowship Program (CPFP) alumni (n = 27), representing more than 25 years of the program’s history and multiple career sectors, were conducted to assess alumni reflections on the training environment and career preparation during their time in the CPFP. NVivo software was used to analyze data and identify major themes. Four main themes emerged from these interviews, including: the value of structured training curriculum, mentorship, transdisciplinary environment, and professional identity. Even when reflecting on training that occurred one to two decades earlier, alumni were able to highlight specific components of a structured postdoctoral training program as influencing their research and career trajectories. These results may have relevance for those interested in assessing how postdoctoral training can influence fellows throughout their careers and understanding salient features of structured programs. PMID:25673353

  3. Improving Consumer Satisfaction with Addiction Treatment: An Analysis of Alumni Preferences.

    PubMed

    Sanghani, Ruchi M; Moler, Alexander K

    2015-01-01

    Objective. The primary objective of this investigation is to determine which individual and aggregate factors of residential addiction treatment centers are most significant influencers of alumni satisfaction. Design. Survey targeted alumni of residential addiction treatment facilities. Alumni were queried through a survey, which utilized Likert-scale matrices and binary response options: 379 respondents met the completion threshold. Alumni rated amenities and individual and group counseling factors; additionally, respondents provided feedback on two satisfaction proxies: cost worthiness and future recommendations. Descriptive and relational analyses were conducted, with the latter utilizing logistic regression models. Results. Individual factors' scores of group counseling, and overall aggregate group counseling score, are most enthusiastically positive. Group counseling is also the most significant influencer of satisfaction. Other significant influencers of satisfaction are met expectations for individual counseling and psychiatric care offerings. Conclusions. While individual counseling and facility amenities should not be ignored, group counseling may be the most significant influencer of alumni satisfaction. Long-term outcomes are not single-faceted; however, treatment providers should be encouraged to invest in high-quality group counseling offerings in order to best satisfy, and thereby empower, clients.

  4. Intergenerational pathways leading to foster care placement of foster care alumni's children.

    PubMed

    Jackson Foster, Lovie J; Beadnell, Blair; Pecora, Peter J

    2015-02-01

    This study examined a path model that postulated intergenerational relationships between biological parent psychosocial functioning and foster care alumni mental health, economic status, and social support; and from these to the likelihood of children of foster care alumni being placed in foster care. The sample included 742 adults who spent time in foster care as children with a private foster care agency and who reported having at least one biological child. A full pathway was found between poorer father's functioning to greater alumni depression, which was in turn associated with negative social support, and then a greater likelihood of child out of home placement. Other parent to alumni paths were that poorer father functioning was associated with alumni anxiety and PTSD, and poorer mother's mental health was associated with PTSD; however, anxiety and PTSD were not implicated as precursors of foster care placement of the child. Findings support the need for increased practice and policy support to address the mental health needs of parents of children in or at risk of foster care, as well as the children themselves, as family history may have a lasting influence on quality of life, even when children are raised apart from biological parents.

  5. Professional paths of alumni from doctorate programs in health and biological sciences

    PubMed Central

    Hortale, Virginia Alonso; Moreira, Carlos Otávio Fiúza; Bochner, Rosany; Leal, Maria do Carmo

    2014-01-01

    OBJECTIVE To analyze the career path and professional satisfaction of alumni from the doctorate degree programs in health sector. METHODS Exploratory study with 827 alumni of doctoral programs in public health, biological and health sciences at the Fundação Oswaldo Cruz , RJ, Southeastern Brazil, from1984 to 2007. The subjects were grouped in three cross-temporal cohorts according to year. The profiles of the alumni were analyzed, their career paths mapped and information on the perceptions of the education they received and the reasons that led them to choose the institute for their doctoral courses gathered, as well as their evaluations of the courses. The data were collected by means of an online questionnaire. RESULTS There are differences between cohorts of alumni related to the periods they followed the courses, their distinct educational backgrounds and labor processes between those from the biological and health sciences areas, and to the specificities of the different areas where the institution offers doctoral courses: public health, biological and health sciences. CONCLUSIONS The results allow the academic management of the educational processes to expend its knowledge, thus establishing a baseline for tracking the trajectory of alumni, and may contribute to upgrading the follow up process of Brazilian graduate programs. PMID:24789631

  6. Career paths of alumni of the Cornell Leadership Program for veterinary students.

    PubMed

    Fraser, D R; McGregor, D D; Grohn, Y T

    The Cornell Leadership Program at Cornell University, usa, aims to assist talented veterinary students to embark on careers in research, academia, government agencies or industry. Over 400 students have participated since the Program began in 1990 and their subsequent careers have been followed. In this study, five sources of data were analysed: application documents of the participants; audio recordings of interviews with each participant from 2000 to 2007; annual tracking records of alumni after graduating with a veterinary degree; spontaneous comments from alumni about how the Program influenced their career plans; and a list of published scientific papers by alumni. Analysis revealed that about 50 per cent of veterinary graduates were establishing themselves in careers envisaged by the Program, although many of them experienced conflicts between a vocational commitment to clinical practice and a desire to solve problems through research. Many alumni asserted that the Program had influenced their career plans, but they had difficulty in accepting that rigorous scientific training was more important in acquiring research skills than working directly on a veterinary research problem. One career of great appeal to alumni was that of veterinary translational science, in which disease mechanisms are defined through fundamental research. It is concluded from the data that there are three challenging concepts for recently qualified veterinarians aiming to advance the knowledge of animal disease: research careers are satisfying and rewarding for veterinarians; a deep understanding of the chosen field of research is needed; and a high standard of scientific training is required to become an effective veterinary scientist.

  7. InsightSTEM Campus Ambassadors: A Global Student Network to Promote Exploration in STEM Education

    NASA Astrophysics Data System (ADS)

    Noel-Storr, Jacob; InsightSTEM Campus Ambassadors

    2016-06-01

    InsightSTEM has the mission to democratize STEM knowledge worldwide. Here, we present our InsightSTEM Campus Ambassadors program, and our growing global network of students worldwide. Our Campus Ambassadors are committed to advancing their careers in STEM fields, and in promoting exploration in STEM education -- while developing education and outreach skills that they can use during their student years, and moving forwards in their careers. We discuss the challenges of operating a remote student network worldwide, including addressing the needs of students in many different settings, on every continent. We illustrate how we can capture the passions of STEM students in allowing others to explore STEM knowledge. We explain how we deliver "profession development" for our cadre students, and leave them with education and outreach skills that move beyond "showing up and giving a PowerPoint presentation" to developing strategies to really engage multiple audiences in the exploration of STEM knowledge.

  8. Evaluating Physical Therapy Students' Knowledge of and Adherence to the Ambassador Low Back Pain Guideline

    PubMed Central

    Collinge, Wesley R.; Bostick, Geoff P.; Cutforth, Greg S.; Rutten, Geert M.; Maroun, Claude; Oostendorp, Rob A.B.

    2013-01-01

    ABSTRACT Purpose: To examine a process for evaluating physiotherapy (PT) students' knowledge of and adherence to the Ambassador Low Back Pain (LBP) guideline using vignettes. Methods: The study used a cross-sectional survey design. Participants were PT students who had received information related to the guideline as part of their curriculum. Primary measures were responses to questions about the management of four clinical vignettes. Adherence to guideline recommendations was measured by comparing participant scores to a “guideline-based” set of responses from a physiotherapist involved in developing the Ambassador guideline, which was considered a criterion standard. Results: A total of 74 respondents provided complete data, for a response rate of 89%; 65 (88%) reported no knowledge of the guideline. Overall consistency with the criterion standard was high (>70%). Respondents demonstrated high adherence when identifying red flags and deciding whether to refer to another provider. Conclusion: Despite known exposure, knowledge of the guideline was low in this sample of Canadian PT students. Nevertheless, in several key areas, unconscious adherence was high relative to the guideline-based criterion standard. With minor modifications, the vignettes are suitable for evaluating the Ambassador LBP guidelines in a larger study. PMID:24396169

  9. Motivations for Giving of Alumni Donors, Lapsed Donors and Non-Donors: Implications for Christian Higher Education

    ERIC Educational Resources Information Center

    Rugano, Emilio Kariuki

    2011-01-01

    This descriptive and causal comparative study sought to identify motivations for alumni donor acquisition and retention in Christian institutions of higher learning. To meet this objective, motivations for alumni donors, lapsed donors, and non-donors were analyzed and compared. Data was collected through an electronic survey of a stratified sample…

  10. A Comparison of Attitudes and Exercise Habits of Alumni from Colleges with Varying Degrees of Physical Education Activity Programs.

    ERIC Educational Resources Information Center

    Adams, Thomas M.; Brynteson, Paul

    1992-01-01

    Study compared the exercise attitudes and habits of alumni from four colleges with varying physical education activity (PEA) requirements. Survey results indicated the type of PEA programs offered influenced alumni attitudes toward fitness and exercise behaviors. Students from colleges with higher PEA requirements had more positive exercise…

  11. An Analysis of the Factors That Motivate Undergraduate Alumni Donors at University of the Pacific Based on Social Exchange Theory

    ERIC Educational Resources Information Center

    Dial, Janet Schellhase

    2012-01-01

    Institutions of higher education rely upon the support of their alumni to provide financial stability. This outward show of confidence by alumni is also an important indication for external constituents who rank colleges and universities based on funding sources such as corporations and foundations. Private universities, in particular, have been…

  12. Scholar Alumni: Options in the Early Career Years. New Careers in Nursing. Research Report. ETS RR-15-28

    ERIC Educational Resources Information Center

    Millett, Catherine M.; Stickler, Leslie M.; Wang, Haijiang

    2015-01-01

    The New Careers in Nursing (NCIN) Alumni Survey was designed to advance knowledge in the field of nursing education by looking at post-degree experiences of NCIN scholarship recipients, such as employment and graduate degree attainment. The NCIN Alumni Study also focused on the reflections of NCIN scholars who have graduated and moved into the…

  13. Increasing the Harvest: How the University of Colorado Boulder Replaced Alumni Association Dues with a Student Fee

    ERIC Educational Resources Information Center

    Peglar, Tori

    2012-01-01

    In 2007 the University of Colorado Boulder Alumni Association moved under the university's umbrella after the alumni members had spent 11 years under the CU Foundation. But there were two major catches. First, the chancellor wanted them to eliminate their membership dues, as he felt they competed with the annual fund. Second, he could only make up…

  14. The Impact of Athletic Performance on Alumni Giving: An Analysis of Micro Data. NBER Working Paper No. 13937

    ERIC Educational Resources Information Center

    Meer, Jonathan; Rosen, Harvey S.

    2008-01-01

    An ongoing controversy in the literature on the economics of higher education centers on whether the success of a school's athletic program affects alumni donations. This paper uses a unique data set to investigate this issue. The data contain detailed information about donations made by alumni of a selective research university as well as a…

  15. Resident Perceptions of Anatomy Education: A Survey of Medical School Alumni from Two Different Anatomy Curricula and Multiple Medical Specialties

    ERIC Educational Resources Information Center

    Bohl, Michael A.; Gest, Thomas R.

    2011-01-01

    In 2004, the University of Michigan Medical School reduced its gross anatomy curriculum. To determine the effect of this reduction on resident perceptions of their clinical preparedness, we surveyed alumni that included residents from the original and new shortened curricula. A Likert-scale survey was sent to four classes of alumni. Respondents…

  16. Institutional predictors of developmental outcomes among racially diverse foster care alumni.

    PubMed

    Garcia, Antonio R; Pecora, Peter J; Harachi, Tracy; Aisenberg, Eugene

    2012-10-01

    Child welfare practitioners are confronted with the responsibility of relying on best practice to ensure children in foster care transition successfully into adulthood after leaving the foster care system. Yet, despite recent reforms and efforts to address their needs, research clearly shows that foster care alumni are still more likely to experience negative developmental outcomes compared to adults in the general population. The purpose of this study was to better understand how child-serving systems of care adequately prepare racially diverse foster care alumni to thrive. Controlling for gender, age, placement instability, and circumstances of exit from foster care, study findings highlighted salient racial and ethnic differences relative to which factors predicted the odds of mental health, education, and employment outcomes. Implications for developing and implementing culturally sensitive, evidence-based prevention and intervention programs to promote positive developmental outcomes among racially diverse foster care alumni are discussed.

  17. Quality and productivity improvement program (PPKP) from alumni perspective

    NASA Astrophysics Data System (ADS)

    Ruza, Nadiah; Mustafa, Zainol

    2013-04-01

    Defining the quality of the university education system is not easy. Institutions of higher education, through curriculum are hoped to provide the knowledge, wisdom and personality of students. It is questionable of how far Quality and Productivity Improvement Program (PPKP) are capable to ensure the courses offered relevant and effective in preparing the students for job market. The effectiveness of a university to undertake responsibilities and the impact given to students even after they graduate can be a measure of education quality at university. So, the quality of education can be enhanced and improved from time to time. In general, this study is aims to determine the effectiveness of PPKP's education system from the perspective of their alumni as well as their satisfaction and the importance level based on how PPKP be able to meet their needs. In overall, summary of open-ended questions from the questionnaire, Importance-Performance analysis and correlation analysis were conducted for this study. Based on result, it appears that there are still some deficiencies that can be improve, particularly in terms of teaching skills and PPKP's relationships with external organizations to enable knowledge be channel effectively. Importance-Performance analysis highlights some topics or courses that should be offered by PPKP based on their importance in industrial practice. Summary of the results of correlation analysis was found that women are more positive and not too demanding compared to men. In addition, it is found that the responsibilities and workload of the older generations, higher income and a high level of experience demands them to use and practice what they have learned during their studies at PPKP. Results of this study are hoped could be used to improve the quality of education system at PPKP.

  18. "Community ambassadors" for South Asian elder immigrants: late-life acculturation and the roles of community health workers.

    PubMed

    Blair, Thomas R W

    2012-11-01

    Elder immigrants face multiple barriers to accessing health care and other basic services. The Community Ambassador Program for Seniors (CAPS), based in Fremont, California, trains volunteer "ambassadors" from several ethnic and faith communities to perform information and referral services for elders, particularly immigrants. The purpose of this study is to examine the roles of ambassadors in ecologic context as community health workers (CHWs) for clients undergoing late-life acculturation. Ambassadors from three different communities, all of South Asian heritage, were interviewed using a semi-structured guide. 20 out of 23 ambassadors from these communities participated, from December 2008 to December 2009. Data collection and analysis followed grounded theory methodology. Results are presented as an integrated explanatory model, with three major components: (1) acculturative stress, particularly within elders' families; (2) polygonal relationships, a construct that includes elders, their caregivers, CHWs, and service providers, and builds on the notion of a "geriatric triad" (Adelman, Greene, & Charon, 1987); and (3) role hybridity, a novel explanation for CHWs' social niche. Ambassadors mediated elder clients' acculturation both inside and outside elders' families. As such, ambassadors worked in polygonal relationships with elder clients and elders' children, rather than simply working in dyads with elder clients themselves. In the CAPS context, this polygonal framework integrates intra-familial and extra-familial acculturative dynamics into a single relational model. Within these relationships, CHWs exhibited hybridity of social roles, integrating familial and professional attributes, but fully achieving neither familial nor professional status. Practical implications, including importance of outreach to elders' children, accessibility of social programs, and the consequences of role hybridity as a property of CHW identity and function, are discussed.

  19. Continental Drift: International Students Become International Alumni and Create International Institutions

    ERIC Educational Resources Information Center

    Pulley, John

    2009-01-01

    No nation would entrust its foreign relations to ambassadors bereft of international experience. Nor would a global conglomerate ignore overseas markets and expect to prosper. Yet colleges and universities have frequently taken a remarkably unsophisticated and laissez faire approach to advancing their international interests--if they have bothered…

  20. Health and Economic Outcomes Among the Alumni of the Wounded Warrior Project 2013

    DTIC Science & Technology

    2014-01-01

    results in a sensitivity of 86 percent and a specificity of 89 percent ( Bradley et al., 2007). For women, the threshold score of 3 yields a sensitivity...of 73 percent and a speci- ficity of 91 percent ( Bradley et al., 2007). Among WWP alumni, at least half screened positive for probable depression, PTSD...be  unemployed  compared  with  alumni with  ratings  of  10–20  percent. 85 References Bradley , K. A., A. F. DeBenedetti, R. J

  1. The Big E (Energy). 4-H Member Guide, Unit 3.

    ERIC Educational Resources Information Center

    Caldwell, William; And Others

    This activity and record book is designed for unit 3 (ages 15-19) of the Nebraska 4-H Energy Project. Aims, energy attitudes to be developed, and instructions are provided for each activity. Activities include: (1) determining ways to reduce energy waste with hot water heaters; (2) making personal choices about using appliances; (3) conducting a…

  2. The Big E (Energy). 4-H Member Guide, Unit 2.

    ERIC Educational Resources Information Center

    Caldwell, William; And Others

    This activity and record book is designed for unit 2 (ages 12-14) of the Nebraska 4-H Energy Project. Aims, energy attitudes to be developed, and instructions are provided for each activity. Activities include: (1) a word search of energy-related words (with definitions provided); (2) determining fuel waste; (3) reading electric/gas meters and…

  3. "Ohio 4-H CARTEENS": Peer Intervention Safety Program.

    ERIC Educational Resources Information Center

    Cropper, Rebecca J.

    1999-01-01

    Ohio 4-H's CARTEENS seeks to reduce juvenile traffic violations in a program designed and presented by teen peer educators with guidance and technical assistance from the state highway patrol. Teens examined court data to determine content, which includes defensive driving, rural road safety, and dealing with peer pressure. (SK)

  4. Minnesota 4-H Youth Program Quality Improvement Model

    ERIC Educational Resources Information Center

    Herman, Margo; Grant, Samantha

    2015-01-01

    The University of Minnesota Extension Center for Youth Development made an organizational decision in 2011 to invest in a system-wide approach to implement youth program quality into the 4-H program using the Youth Program Quality Assessment (YPQA) tool. This article describes the four key components to the Minnesota Youth Program Quality…

  5. Keys To The Kansas Environment. 4-H School Enrichment Program.

    ERIC Educational Resources Information Center

    Kansas State Univ., Manhattan. Extension Service.

    The 4-H Club packet for preschool and elementary school children contains nine "keys", or short learning exercises, designed to enrich science and environmental education both in and out of the classroom. Each "key" includes the purpose of the activity, the intended audience, the best time of the year for the activity,…

  6. Implementing and Assessing 4-H Educational Activity Kits for Children

    ERIC Educational Resources Information Center

    Scheer, Scott D.; Yeske, Janine; Zimmer, Bruce

    2011-01-01

    Educational activity kits were developed and implemented through a statewide effort for 4-H Youth Development Extension programs serving 5-8 year-old children. The purpose of the kits was to promote life skills in children and assess the learning environment. Data was collected based on the observations of 577 children across 22 counties. Findings…

  7. South Carolina's Model for Initiating Hispanic 4-H Clubs

    ERIC Educational Resources Information Center

    Lippert, Robert; Rembert, Kellye

    2012-01-01

    Over the past 5 years, through the initiative of several county Extension agents, South Carolina 4-H has established a successful model for bringing Hispanic youth into our program. We have found the most effective method is to initiate contact and establish partnerships with the principals and ESOL instructors in the local schools. Through this…

  8. CONSERVING OUR NATURAL RESOURCES, A 4-H LEADER'S GUIDE.

    ERIC Educational Resources Information Center

    AMICK, W. ROBERT; AND OTHERS

    AN EFFECTIVE 4-H CONSERVATION PROGRAM IS DEVELOPED AROUND THE FOLLOWING BASIC CONCEPTS--(1) MAN IS A PART OF THE NATURAL WORLD, IN WHICH THERE ARE MANY VALUABLE MATERIALS, (2) MAN HAS LEARNED TO USE MANY OF THOSE MATERIALS FOR HUMAN SUSTENANCE AND BETTERMENT, AND (3) MAN'S ECONOMIC, SOCIAL, AND GENERAL WELFARE IS LARGELY DEPENDENT UPON THE MANNER…

  9. New Jersey 4-H Marine Science Project. Leaders Guide.

    ERIC Educational Resources Information Center

    Jesuncosky, Betty Jean, Comp.

    This guide contains a collection of activities which are designed to provide opportunities for 4-H voluteers and youth in New Jersey to get involved in learning about the marine environment. The guide is divided into five sections which deal with habitats, organisms, career exploration, community involvement, and additional marine activities. Each…

  10. A Phenomenological Look at 4-H Volunteer Motives for Service

    ERIC Educational Resources Information Center

    Schrock, Jessalyn; Kelsey, Kathleen D.

    2013-01-01

    Volunteers play a vital role in 4-H programs. Without their service, many programs would not be possible. Understanding volunteer motives provides Extension educators with tools for finding high-quality volunteers. The research reported here used McClelland's (1985) framework for motivation (affiliation, achievement, and power) and…

  11. Textile Science Leader's Guide. 4-H Textile Science.

    ERIC Educational Resources Information Center

    Scholl, Jan

    This instructor's guide provides an overview of 4-H student project modules in the textile sciences area. The guide includes short notes explaining how to use the project modules, a flowchart chart showing how the project areas are sequenced, a synopsis of the design and content of the modules, and some program planning tips. For each of the…

  12. Fashion Revue. 4-H Textile Science Activity Guide.

    ERIC Educational Resources Information Center

    Scholl, Jan

    This publication was developed to help students participating in Fashion Review, a 4-H event in which students model a clothing outfit and accessories and are judged on their modeling ability, their presentation, and how well the clothing and accessory choices complement the students' skin tones, hair color, figure or physique, personality, and…

  13. YA4-H! Youth Advocates for Health: Impact of a 4-H Teens-as-Teachers Program

    ERIC Educational Resources Information Center

    Arnold, Mary E.; Flesch, Jeffrey M.; Ashton, Carolyn; Black, Lynette; Brody, Barbara; Hosty, Maureen; Northway, Shanna

    2016-01-01

    This article reports the results of an evaluation of the YA4-H! Youth Advocates for Health--Teens as Teachers program. Consistent with previous research on the impact of teen teaching, the teens participating in the program gained confidence and skill with regard to teaching younger youths. The program also affected the teens' understanding that…

  14. New Jersey 4-H Goat Extravaganza: Efficiently Meeting the Educational Needs of 4-H Goat Project Members, Volunteers, and Parents

    ERIC Educational Resources Information Center

    Ripberger, Chad

    2014-01-01

    The 4-H Goat Extravaganza maximizes limited resources to help youth and adults develop knowledge and skills in goat care and management. It capitalizes on the talents and interests of volunteers to efficiently combine a goat-themed art show, team presentation contest, quiz bowl, skillathon, and adult workshop into 1 day. This article outlines the…

  15. Water Worlds. 4-H Member's Guide M-5-18; 4-H Leaders Guide L-5-18.

    ERIC Educational Resources Information Center

    Hawkes, Janet E.; And Others

    This pocket folder of materials is designed to provide children aged 9 to 12 with an opportunity to explore and observe aquatic environments. The package includes a 4-H Leader's guide, member's guide, and supplementary materials. The leader's guide contains safety considerations, tips and techniques, and additional activities for getting started…

  16. Litter Control Achievement - Ohio 4-H Club Score Sheet [and] Activity Guides 1 through 7. 4-H Pilot Program 918.

    ERIC Educational Resources Information Center

    Ohio State Univ., Columbus. Cooperative Extension Service.

    Seven activity guides, evaluation sheet, and club scoresheet have been prepared for Ohio 4-H clubs' litter education program. Topics of the seven activity guides include: (1) general guidelines and types of activities; (2) little known facts about waste/litter; (3) guidelines for a walking tour; (4) fact sheet (questionnaire) related to garbage;…

  17. Starting and Maintaining a Marine Aquarium: 4-H Members Guide [and] 4-H Member's Project Record Book.

    ERIC Educational Resources Information Center

    Crenshaw, Neil

    The guide and the project record book included in this document are designed for 4-H members who would like to start a salt-water aquarium project. The guide includes the following topics: (1) general requirements for salt-water aquariums; (2) directions for making an aquarium; (3) suggestions for where to locate it; (4) pros and cons of using…

  18. Screen Tests: What Games Shows and Reality Television Can Teach Alumni Professionals

    ERIC Educational Resources Information Center

    Bickel, Kathy

    2009-01-01

    Conferences and colleagues can provide some guidance to those who are searching for new ways to understand their alumni and those who are looking for insights into fundraising, ideas for coping with change, or new approaches to their career in advancement. However, the author suggests that sometimes it's best to turn to that age-old source of…

  19. A Survey of Alumni of LIS Distance Education Programs: Experiences and Implications

    ERIC Educational Resources Information Center

    Wilde, Michelle L.; Epperson, Annie

    2006-01-01

    A growing number of American Library Association (ALA)-accredited library schools are offering distance education graduate programs, sparking a debate about the quality and acceptance of such degrees. Alumni of distance education Library and Information Science (LIS) programs were surveyed about their distance education experiences. Survey results…

  20. Coping Strategies for Students of Color in a Predominantly White College: Voices from the Alumni

    ERIC Educational Resources Information Center

    Maina, Faith; Burrell, Marcia; Hampton, Bonita

    2011-01-01

    University students in general experience stressful situations once they leave home and begin to adjust to the new life on a college campus with its related academic and social demands. However, students of color often have the additional burden of coping with race-related stress. Data from a focus group interview with 18 alumni of color, found…

  1. Rock Orchestra Alumni Reflections on the Impact of Participation in "The Lakewood Project"

    ERIC Educational Resources Information Center

    Koops, Lisa Huisman; Hankins, Elizabeth A.; Scalise, David; Schatt, Matthew D.

    2014-01-01

    The purpose of this mixed-methods study was to explore the phenomenon of participation in a high school rock orchestra from the perspective of alumni. Specific research questions addressed the musicians' reflections on experiences in the rock orchestra and the perceived possible impact on their current musical and professional lives. Survey and…

  2. Legislative Lessons: State-Relations Strategies for Government, Alumni, and Public Relations Officers.

    ERIC Educational Resources Information Center

    Van Eyck, Laila

    1995-01-01

    Techniques for college and university administrators and alumni to use in garnering support for or against state legislation include: gathering diverse experts; selecting a defense and/or offense; remaining flexible; flooding legislative offices with communications; meeting with local newspaper editors and legislators; distributing fact sheets to…

  3. The Impact of Informal Mentoring: Perceptions of Alumni of Evangelical Theological Schools in Indonesia

    ERIC Educational Resources Information Center

    Sumule, Leonard

    2016-01-01

    This grounded theory study explores the perceptions of 33 alumni of 10 Indonesian evangelical theological schools regarding the impact of informal mentoring, which they experienced during their time as students. Data from face-to-face interviews revealed that the informal mentoring relationships (a) helped them to handle their social and emotional…

  4. MPA Alumni Assessment of Perceived Educational Outcomes: The "Value" of the MPA.

    ERIC Educational Resources Information Center

    King, Cheryl Simrell; And Others

    1996-01-01

    A survey of alumni of two disparate Master's in Public Administration (MPA) programs, at Evergreen State College (Washington) (n=114) and University of Akron (Ohio) (n=91), found more similarities than expected in program experiences, perceptions of what is important in their careers, and how an MPA program can contribute to careers. Implications…

  5. "It's Everything Else You Do...": Alumni Views on Extracurricular Activities and Employability

    ERIC Educational Resources Information Center

    Clark, Gordon; Marsden, Rebecca; Whyatt, J. Duncan; Thompson, Leanne; Walker, Marion

    2015-01-01

    This article explores students' extracurricular activities and, uniquely, their short- and long-term effects on employability. Drawing on the literature, six research questions are identified. A questionnaire and interviews with alumni provide the quantitative and qualitative information needed. The effects of different extracurricular activities…

  6. Continuing Professional and Career Development: The Doctoral Experience of Education Alumni at a UK University

    ERIC Educational Resources Information Center

    Leonard, Diana; Becker, Rosamunde; Coate, Kelly

    2004-01-01

    This article reports on a study of alumni who completed their doctorates 2, 5 and 10 years ago at a Graduate School of Education in the University of London (n=162). It investigates the circumstances within which these research students started and completed their research and how they have subsequently used their studies, showing the particular…

  7. Alumni Giving at a Small Liberal Arts College: Evidence from Consistent and Occasional Donors.

    ERIC Educational Resources Information Center

    Wunnava, Phanindra V.; Lauze, Michael A.

    2001-01-01

    Study of determinates of consistent and occasional alumni giving at a small, private liberal arts college over a 23-year period. Finds several similar determinants for both groups: For example, volunteering for the college, playing varsity sports. Occasional donors were male, members of either fraternities or sororities, and close to retirement.…

  8. A Qualitative Study of Alumni Non-Donors of Historically Black Colleges and Universities

    ERIC Educational Resources Information Center

    Foxx, Laura R.

    2013-01-01

    This qualitative research study was designed as an exploration of the phenomena of alumni non-donors of Historically Black Colleges and Universities (HBCUs). Successfully securing private voluntary support is one of the most critical challenges for higher education institutions as traditional sources of financial support diminish, and alumni…

  9. Transforming Nomads into Settlers: A Study of Community College Alumni Engagement Efforts in Pennsylvania

    ERIC Educational Resources Information Center

    Starace, Melissa D.

    2012-01-01

    In an era of diminished state and community resources for higher education, community college alumni are increasingly viewed as an undefined and untapped source of support by their alma maters. Community college presidents and advancement professionals find themselves faced with the dilemma of how to develop and define meaningful and philanthropic…

  10. Effective Alumni Marketing Research: Theory Put to Use or, Practicing What We Preach.

    ERIC Educational Resources Information Center

    Greene, Robert C., Jr.; Weldon, Peter K.

    1996-01-01

    A telephone survey of 328 graduates of a major Canadian university strongly supports continuation of the alumni newspaper, and found that: features are popular with specific subgroups; willingness to pay for the publication shows support for the paper but not a subscription fee; paid advertisements are acceptable; the university is popular in…

  11. Alumni Relationships in the Electronic Age: An Assessment of a Permission Based E-Mail Campaign

    ERIC Educational Resources Information Center

    Moore, Robert S.; McLaughlin, Caragh E.

    2007-01-01

    E-mail is seen as an inexpensive, fast way to communicate with university constituencies, especially alumni. The next logical stage for the use of this Internet technology is the development and evaluation of permission based e-mail (PBE) campaigns. In this paper, we directly examine recipient evaluation of PBE in the context of a university…

  12. Use of Technology for Development and Alumni Relations among CASE Members. Research Report

    ERIC Educational Resources Information Center

    Council for Advancement and Support of Education, 2010

    2010-01-01

    This research explores the role of "advancement-enabling" technology in helping institutions meet their development and alumni relations goals. It includes data on how technology is being used, barriers to effective use of technology, and strategies for effective deployment of technology. The report is based on data provided by 357…

  13. Undergraduate Music Program Alumni's Career Path, Retrospective Institutional Satisfaction, and Financial Status

    ERIC Educational Resources Information Center

    Miksza, Peter; Hime, Lauren

    2015-01-01

    The purpose of this study was to examine undergraduate music education and performance alumni's career path, retrospective institutional satisfaction, and financial status. Data for this study were drawn from respondents from the 2010 administration of the nationwide, multi-institutional survey conducted by the Strategic National Arts Alumni…

  14. The Value of a College Degree for Foster Care Alumni: Comparisons with General Population Samples

    ERIC Educational Resources Information Center

    Salazar, Amy M.

    2013-01-01

    Higher education is associated with substantial adult life benefits, including higher income and improved quality of life, among others. The current study compared adult outcomes of 250 foster care alumni college graduates with two samples of general population graduates to explore the role higher education plays in these young adults' lives.…

  15. "Couch Surfing" of Latino Foster Care Alumni: Reliance on Peers as Social Capital

    ERIC Educational Resources Information Center

    Perez, Beatrix F.; Romo, Harriett D.

    2011-01-01

    Youth exiting foster care often experience difficulties transitioning into adulthood. This paper focuses on Latino foster care youth in a major southwestern U.S. city and addresses the importance of peer networks as a crucial form of social capital as youth leave foster care. Case studies illustrate experiences of foster care alumni ranging in age…

  16. Depression among Alumni of Foster Care: Decreasing Rates through Improvement of Experiences in Care

    ERIC Educational Resources Information Center

    White, Catherine Roller; O'Brien, Kirk; Pecora, Peter J.; English, Diana; Williams, Jason R.; Phillips, Chereese M.

    2009-01-01

    The Northwest Foster Care Alumni Study examined the relation between experiences in foster care and depression among young adults who spent at least a year in foster care as adolescents. Results indicate that preparation for leaving foster care, nurturing supports from the foster family, school stability, access to tutoring, access to therapeutic…

  17. Posttraumatic Stress Disorder among Foster Care Alumni: The Role of Race, Gender, and Foster Care Context

    ERIC Educational Resources Information Center

    Jackson, Lovie J.; O'Brien, Kirk; Pecora, Peter J.

    2011-01-01

    Little is known about the prevalence of posttraumatic stress disorder (PTSD) in adult alumni of foster care and its demographic and contextual correlates. This is one of the first studies to report on racial/ethnic and gender differences and the influence of foster care experiences (i.e., revictimization during foster care, placement change rate,…

  18. Engaging for Excellence: Alumni Relations Programmes in European Higher Education. ICARS Report 2016

    ERIC Educational Resources Information Center

    Council for Advancement and Support of Education, 2015

    2015-01-01

    The 2016 ICARS survey reports on data collected September 2015 to November 2015 in the International CASE Alumni Relations Survey. The findings are drawn from 84 responding institutions across 12 European countries. 76 percent of respondents are from the UK and 24 percent are from other European countries. ICARS emphasises the link between alumni…

  19. Comparative Urban Bangladesh Physics Learning Experiences as Described by Students and Alumni

    ERIC Educational Resources Information Center

    Ali, Tanzeem Iqbal

    2013-01-01

    A neo-culture of extra-curricular coaching prior to sitting the terminal exam was once the privileged domain of public education systems in the Eastern world, but this is no longer the case. This multi-phase study based on a grounded theory approach considered a diversity of physics learning experiences of students and alumni from two urban…

  20. An Alumni Assessment of MIS Related Job Skill Importance and Skill Gaps

    ERIC Educational Resources Information Center

    Wilkerson, Jerod W.

    2012-01-01

    This paper presents the results of a job skill survey of Management Information Systems (MIS) alumni from a Northeastern U.S. university. The study assesses job skill importance and skill gaps associated with 104 technical and non-technical skill items. Survey items were grouped into 6 categories based on prior research. Skill importance and skill…

  1. Alumni Perspectives on Career Preparation during a Postdoctoral Training Program: A Qualitative Study

    ERIC Educational Resources Information Center

    Faupel-Badger, Jessica M.; Raue, Kimberley; Nelson, David E.; Tsakraklides, Sophia

    2015-01-01

    Published evaluations of career preparation of alumni from long-standing postdoctoral fellowship programs in the biomedical sciences are limited and often focus on quantitative analysis of data from extant publicly available sources. Qualitative methods provide the opportunity to gather robust information about specific program elements from…

  2. Using Alumni Input as a Reality Check of Agronomy Teaching and Advising

    ERIC Educational Resources Information Center

    Graveel, John G.; Vorst, James J.

    2007-01-01

    As part of a systematic review of the undergraduate curricula and courses, the perceptions of Purdue agronomy alumni who graduated between 1960 and 2003 were obtained. A survey was administered to assess outcomes, identify gaps in the curriculum, measure how well the program addresses current and future needs, and provide a direction for change.…

  3. Characteristics and Institutional Factors Related to Young Alumni Donors and Non-Donors

    ERIC Educational Resources Information Center

    McDearmon, J. Travis; Shirley, Kathryn

    2009-01-01

    This study examined the results of an institutional survey conducted by the Annual Giving Office at a large public university in the Midwest. Overall, 2,273 young alumni participated in an online survey that assessed personal and institutional factors related to an alumna's willingness to make donations to the university. The results of the study…

  4. Career Path Trends of Alumni from a U.S. TESOL Graduate Program

    ERIC Educational Resources Information Center

    Priddis, Eimi; Tanner, Mark W.; Henrichsen, Lynn E.; Warner, Ben; Anderson, Neil J.; Dewey, Dan P.

    2013-01-01

    As English expands across the world, quality English teachers are increasingly needed. However, reports that even degree-holding TESOL professionals have a hard time obtaining stable employment are prevalent. This study sought to provide empirical evidence about career paths in TESOL based on survey responses from 250 alumni of a well-established…

  5. Needs and Interests of Iowa State University Alumni in Continuing Education.

    ERIC Educational Resources Information Center

    Parsons, Gerald Edward

    A study was made of a random sample of 934 Iowa State University alumni, who graduated between 1926 and 1965 and lived in Iowa, the purpose being to determine: their feelings of need and commitment to continuing education; their present participation; the content, type, and locations of programs they prefer; and where they think responsibility for…

  6. Beyond Philanthropy: Recognising the Value of Alumni to Benefit Higher Education Institutions

    ERIC Educational Resources Information Center

    Gallo, Maria

    2012-01-01

    As austerity measures become a reoccurring theme, higher education institutions (HEIs) worldwide are examining diverse sources of funding, such as philanthropy, as an alternative to State support. This paper argues that building lifelong relationships with alumni offers an HEI with a strategy to yield other residual benefits for the institution,…

  7. Alumni Perceptions of a Move to NCAA Division IA Football Membership

    ERIC Educational Resources Information Center

    Roy, Donald P.; Harmon, Susan K.; Graeff, Timothy R.

    2003-01-01

    Because of its prominent role, football has the potential to positively impact a university in several ways. Previous research on college athletics has focused on the financial impact of athletic success on institutions (e.g., donations). This research examines the marketing capabilities of college football by measuring alumni perceptions of a…

  8. Alumni Job Search Strategies, Class of 2011. GMAC[R] Data-to-Go Series

    ERIC Educational Resources Information Center

    Graduate Management Admission Council, 2012

    2012-01-01

    Examining the job search strategies and employment outcomes for Class of 2011 graduate business school alumni sheds light on current job market trends and the effort required to secure a first job after earning a graduate business degree. This fact sheet highlights the job search methods used by Class of 2011 business school graduates as reported…

  9. Attitudes of the Alumni toward Selected Aspects of a Private Junior College.

    ERIC Educational Resources Information Center

    Land, Warren A.; Haney, Julia J.

    A study was conducted at a private junior college in northern Mississippi to assess alumni attitudes toward selected aspects of the college. Specifically, the study sought to determine the former students' primary reason for attending the college and their attitudes toward the philosophy and purposes of the college; their perception of…

  10. What Alumni Value from New Product Development Education: A Longitudinal Study

    ERIC Educational Resources Information Center

    Cobb, Corie L.; Hey, Jonathan; Agogino, Alice M.; Beckman, Sara L.; Kim, Sohyeong

    2016-01-01

    We present a longitudinal study of what graduates take away from a cross-disciplinary graduate-level New Product Development (NPD) course at UC Berkeley over a 15-year period from 1996-2010. We designed and deployed a longitudinal survey and interviewed a segment of our NPD alumni population to better understand how well our course prepared these…

  11. Teacher Training and the Public Good: The University of Winchester Alumni Project

    ERIC Educational Resources Information Center

    Jacobs, Andrea; Leach, Camilla

    2011-01-01

    In this paper data are used from the University of Winchester Alumni oral history project to suggest how the historic culture of the institution, as one of the original church training colleges, founded in the mid-nineteenth century, might have been transmitted to those who attended it as trainee teachers from the 1930s, the earliest data that are…

  12. New Careers in Nursing Scholar Alumni Toolkit: Development of an Innovative Resource for Transition to Practice.

    PubMed

    Mauro, Ann Marie P; Escallier, Lori A; Rosario-Sim, Maria G

    2016-01-01

    The transition from student to professional nurse is challenging and may be more difficult for underrepresented minority nurses. The Robert Wood Johnson Foundation New Careers in Nursing (NCIN) program supported development of a toolkit that would serve as a transition-to-practice resource to promote retention of NCIN alumni and other new nurses. Thirteen recent NCIN alumni (54% male, 23% Hispanic/Latino, 23% African Americans) from 3 schools gave preliminary content feedback. An e-mail survey was sent to a convenience sample of 29 recent NCIN alumni who evaluated the draft toolkit using a Likert scale (poor = 1; excellent = 5). Twenty NCIN alumni draft toolkit reviewers (response rate 69%) were primarily female (80%) and Hispanic/Latino (40%). Individual chapters' mean overall rating of 4.67 demonstrated strong validation. Mean scores for overall toolkit content (4.57), usability (4.5), relevance (4.79), and quality (4.71) were also excellent. Qualitative comments were analyzed using thematic content analysis and supported the toolkit's relevance and utility. A multilevel peer review process was also conducted. Peer reviewer feedback resulted in a 6-chapter document that offers resources for successful transition to practice and lays the groundwork for continued professional growth. Future research is needed to determine the ideal time to introduce this resource.

  13. The Ties That Bind: Understanding the "Relationships" in Community College Alumni Relations

    ERIC Educational Resources Information Center

    Wells, Twyla Casey

    2015-01-01

    Community colleges continue to be challenged to achieve the same level of philanthropic support as private and public colleges and universities. While nearly 50 percent of all undergraduates are educated at community colleges, only two percent of the nearly $8 billion donated annually by higher education alumni is contributed to community colleges…

  14. More Professional Schools Move to Attract Their Alumni to Careers in Public Service.

    ERIC Educational Resources Information Center

    Greene, Elizabeth

    1987-01-01

    Loan deferment and forgiveness programs, first developed at the Harvard Law School, are appearing at a variety of institutions. These schools are helping alumni who choose public interest careers to pay off educational loans. Public interest careers include working for schools, hospitals, the government, arts organizations, etc. (MLW)

  15. Using Surveys of Alumni and Their Employers To Improve an Institution.

    ERIC Educational Resources Information Center

    Hoey, J. Joseph; Gardner, Denise C.

    1999-01-01

    Results from a project of linked alumni and employer surveys at North Carolina State University were analyzed to explore the comparability of the ratings. A survey of administrators was subsequently undertaken to explore the impact of survey-based assessment information on planning, assessment, curriculum revision, and customer satisfaction at the…

  16. Tapping Recent Alumni for the Development of Cutting-Edge, Investigative Teaching Laboratory Experiments

    ERIC Educational Resources Information Center

    Brodl, Mark R.

    2005-01-01

    This project presents a model for the development of an innovative, highly-experimental teaching laboratory course that centers upon collaborative efforts between recent alumni currently enrolled in Ph. D. programs (consultants) and current faculty. Because these consultants are involved in cutting-edge research, their combined talents represent a…

  17. Comparison of the Nature of Work Performed: Southern Land-Grant University Colleges of Agriculture Alumni.

    ERIC Educational Resources Information Center

    Zekeri, Andrew A.

    American agriculture is seriously threatened by growing shortages of highly qualified scientists, managers, and technical professionals. This paper examines the work outcomes of agricultural college alumni who were previously surveyed as students in 1977. Questionnaires were completed by 1,917 graduates in agricultural majors at 1862 and 1890…

  18. Leveraging Alumni and Business Community Relations to Assess the Information Systems Curriculum

    ERIC Educational Resources Information Center

    Plice, Robert K.; Reinig, Bruce A.

    2009-01-01

    A recent Association to Advance Collegiate Schools of Business (2006) task force called for increased interaction between business schools and the business community to identify essential skill sets and help with the curriculum-management process. An information systems curriculum-assessment study solicited input from recent alumni working in the…

  19. Supporting Primary and Secondary Beginning Teachers Online: Key Findings of the Education Alumni Support Project

    ERIC Educational Resources Information Center

    Maxwell, T. W.; Harrington, I.; Smith, H. J.

    2010-01-01

    During 2005, the Education Alumni Support Project (EdASP) (Maxwell, Smith, Baxter, Boyd, Harrington, Jenkins, Sargeant & Tamatea 2006) provided online support for University of New England (UNE) graduand, and later, graduate, teachers as they commenced their careers. The project was based on research which reported that many beginning teachers…

  20. The Vanishing Shakespeare: A Report by the American Council of Trustees and Alumni

    ERIC Educational Resources Information Center

    Neal, Anne D.; Mitchell, Charles

    2007-01-01

    As this report goes to press, the nation's capital is in the midst of a six-moth, city-wide celebration of William Shakespeare. With this celebration as a backdrop, the American Council of Trustees and Alumni (ACTA) researched how Shakespeare fits into English curricula at 70 of the nation's leading colleges and universities. ACTA surveyed English…

  1. The Ed.D. in Educational Leadership and Administration: The Students' and Alumni's Experiences

    ERIC Educational Resources Information Center

    Vera, Edith B.

    2012-01-01

    The doctoral experience unfolds many complexities and challenges for students, faculty, and institutions that contribute toward degree completion. The purpose of this study is to investigate the students' and alumni's experiences afforded by the Ed.D. in Educational Leadership and Administration at the University of Texas at El Paso (UTEP). The…

  2. Combining Operations Management and Information Systems Curricula: Assessing Alumni Preparations for the Workforce

    ERIC Educational Resources Information Center

    Silva, David; McFadden, Kathleen L.

    2005-01-01

    The purpose of this study is to explore how well a curriculum that combines operations management and information systems uniquely prepares students for the workforce. To address our research questions, a Web-based survey was developed. We sent our survey to 203 alumni that graduated from the Department of Operations Management and Information…

  3. Special Alumni Survey; Design, Coding and Data on Earnings. First Report 1970.

    ERIC Educational Resources Information Center

    Witmer, David R.

    In the belief that college and university programs cannot be meaningfully improved in the absence of information about their outcomes and effects, the Wisconsin State Universities System conducted a special alumni survey to obtain 1968 data on the occupation, salary, income and continuing education of a random sample of persons who had attended…

  4. Dental Students', Alumni, and Dentists' Perspectives on Leadership: Impact of the Scholars Program in Dental Leadership.

    PubMed

    Niemchick, Audrey L; Delgado, Jessica; Taichman, Russell S; Inglehart, Marita R

    2017-01-01

    In 2006, the Scholars Program in Dental Leadership (SPDL) was created at the University of Michigan School of Dentistry with the aim of preparing dental students to take on leadership roles in their profession and communities. The aims of this quantitative study were to investigate how SPDL alumni and current participants evaluated this program; to assess whether SPDL alumni evaluated their leadership-related educational experiences, leadership perceptions, and attitudes towards leadership activities in dentistry more positively than did non-SPDL dental students and general dentists; and to explore if leadership-related educational/clinical experiences were correlated with these constructs. Participants were 218 of 431 dental students across all four years (response rate 51%), 32 of whom were participants in the SPDL; 32 of 53 SPDL alumni (response rate 60%); and 595 of 3,000 general dentists invited to participate (response rate 20%). Both current and past SPDL participants evaluated the program on average positively (3.75 and 3.92, respectively, on a five-point scale). Non-SPDL students and alumni evaluated leadership-related educational experiences more positively than did the dentists (3.65/3.61 vs. 2.49; p<0.001). Their evaluations of different indicators of dental leadership differed as well. Students and alumni evaluated being recognized (4.40/4.60 vs. 4.20; p<0.001), making a contribution to the community (4.04/4.40 vs. 3.81; p<0.001), and views on practice efficiency (4.61/4.53 vs. 4.36; p<0.001) more positively than did the general dentists. The SPDL alumni had more positive evaluations of organized dentistry (4.17 vs. 3.77/3.71; p=0.045) and academia (3.97 vs. 3.48/3.45; p=0.01) than did the students and general dentists. Educational/clinical experiences were positively correlated with most leadership-related constructs. These results showed that the SPDL positively affected alumni perceptions of leadership indicators and attitudes.

  5. The Big Picture, Polar Ambassadors, and Polar Days; International Outreach and Education During and Beyond IPY

    NASA Astrophysics Data System (ADS)

    Salmon, R. A.; Zicus, S.; Pauls, M.; McCaffrey, M.; Carlson, D.; Huffman, L. T.

    2007-12-01

    The International Polar Year (IPY) 2007-8 has begun, and it's not just for scientists. Teachers, artists, students, polar visitors, explorers, young scientists, arctic residents, journalists, photographers, and film-makers are all interested. IPY is an incredible opportunity to involve the public with polar science and raise awareness about critical issues facing the polar regions. An overview of the IPY international education and outreach strategy will be presented highlighting activities that encourage polar scientists to work directly with the global community to raise awareness about the polar regions, and the importance of their research. Examples include International Polar Days, IPY in Google Earth, and the Polar Ambassador Programme.

  6. Goddard Space Flight Center: 1994 Maryland/GSFC Earth and Environmental Science Teacher Ambassador Program

    NASA Technical Reports Server (NTRS)

    Latham, James

    1995-01-01

    The Maryland/Goddard Space Flight Center (GSFC) Earth and Environmental Science Teacher Ambassador Program was designed to enhance classroom instruction in the Earth and environmental science programs in the secondary schools of the state of Maryland. In October 1992, more than 100 school system administrators from the 24 local Maryland school systems, the Maryland State Department of Education, and the University of Maryland met with NASA GSFC scientists and education officers to propose a cooperative state-wide secondary school science teaching enhancement initiative.

  7. KUSPACE: Embedding Science Technology and Mathematics Ambassador Activities in the Undergradiuate Engineering Curriculum

    NASA Astrophysics Data System (ADS)

    Welch, C.; Osborne, B.

    The UK national STEM Ambassadors programme provides inspiring role models for school students in science, technology, engineering, mathematics (STEM) subjects. STEMNET, the national body responsible for STEM Ambassa- dors aims to provide more than 27,000 STEM Ambassadors nationwide by the end of 2011. This paper reports on a project at Kingston University to embed STEM Ambassador training and activity in Year 2 of the undergraduate Aerospace Engineering, Astronautics and Space Technology degree. The project, known as KUSPACE (Kingston University Students Providing Amazing Classroom Experiences), was conceived to develop students' communication, planning and presentation skills and build links between different cohort years, while providing a valuable contribution to local primary schools' STEM programmes and simultaneously raising the public engagement profile of the university. This paper describes the pedagogical conception of the KUSPACE, its implementation in the curriculum, the delivery of it in the university and schools and its effect on the undergraduate students, as well as identifying good practice and drawing attention to lessons learned.STEMNET (www.stemnet.org) is the UK's Science, Technol- ogy, Engineering and Mathematics Network. Working with a broad range of UK partners and funded by the UK govern- ment's Department for Business Innovation and Skills, STEMNET plays a significant role in ensuring that five to nineteen year olds and their teachers can experience a wide range of activities and schemes which enhance and enrich the school curriculum [1]. Covering all aspects of Science, Tech- nology, Engineering and Maths (STEM), these activities and schemes are designed both to increase STEM awareness and literacy in the young people and also to encourage more of them to undertake post-16 STEM qualifications and associated careers [2]. STEMNET operates through forty-five local con- tract holders around the UK which help the network deliver its

  8. A Perfect Fit: 4-H Involvement for Youth with Disabilities. A Leader's Guide.

    ERIC Educational Resources Information Center

    Schnepf, Greg W.; And Others

    This guide for 4-H leaders and volunteers offers information to help integrate youth with disabilities into various 4-H programs. After an introduction, a section on 4-H and mainstreaming reviews the mission of 4-H; considers what 4-H has to offer youth; defines mainstreaming; notes the benefits of mainstreaming; and distinguishes among the terms…

  9. Utilizing health ambassadors to improve type 2 diabetes and cardiovascular disease outcomes in Gadsden County, Florida.

    PubMed

    Suther, Sandra; Battle, Arrie M; Battle-Jones, Felecia; Seaborn, Cynthia

    2016-04-01

    Minority racial and ethnic groups are at higher risk for developing type 2 diabetes. These groups also experience more severe complications from diabetes and have higher mortality rates as a result of the disease, such as cardiovascular disease, amputation and kidney failure. Underserved rural ethnically disparate populations benefit from health education outreach efforts that are conveyed and translated by specially-trained community health ambassadors. Project H.I.G.H. (Helping Individuals Get Healthy) was developed to target the priority areas of type 2 diabetes and cardiovascular disease. Utilizing trained community health ambassadors, CDC's The Road to Health Toolkit as well as New Beginnings: A Discussion Guide for Living Well with Diabetes was used as a model for a community-based educational program. The overall goal of Project H.I.G.H was to implement and evaluate: (1) a coordinated, behavior-focused, family-centered, community-based educational program and; (2) a client service coordination effort resulting in improved health outcomes (BMI, Glucose Levels, BP) for individuals with type 2 diabetes and cardiovascular disease in Gadsden County, Florida. Overall, Project H.I.G.H. was very successful in its first year at motivating participants to delay or prevent diabetes and/or cardiovascular disease or at the very least to start taking better care of their health.

  10. NASA Climate Days: Promoting Climate Literacy One Ambassador and One Event at a Time

    NASA Astrophysics Data System (ADS)

    Weir, H. M.; Lewis, P. M.; Chambers, L. H.; Millham, R. A.; Richardson, A.

    2012-12-01

    With so many informal outreach and education venues across the world, leveraging them for climate education allows vast amounts of information to be translated to the public in a familiar setting through trusted local sources. One of the challenges is the development of an effective process for training informal educators and providing them with adequate support materials. The 'NASA Climate Day Kit', and its related training strategy for Earth Ambassadors, is designed to address some of these issues. The purpose of the NASA Climate Day project is to collect existing NASA climate education materials, assemble a cadre of informal educators, and provide professional development on the subject of climate change. This training is accomplished through a series of exercises, games, science talks and place-based training. After their training and immersion in climate-related content, participants develop and implement a climate event at their local informal education venue. Throughout their training the Earth Ambassadors are exposed to a wide array of climate related exercises and background content. Some of these include one-on-one science content talks with NASA scientists who study climate on a daily basis. This allows the Ambassador to have direct access to new cutting edge data and information. To complement the science talks, participants explore activities and games that can engage all ages at their climate event. During their training, they also explore the 'Climate Day Kit'. This Kit is an assemblage of climate-related materials created by various NASA groups. Key components of this Kit include data visualizations, articles, electronic reference material, science talks, NASA Education and Public Outreach (E/PO) climate materials, and examples of Climate Day events that have been conducted in the past. As an on-going resource and to use for their own climate event, each group of Earth Ambassadors has access to a dynamic website that hosts all of the science

  11. First Results from the 0.7-meter Alumni Telescope at the Hawley Observatory of St. Paul's School

    NASA Astrophysics Data System (ADS)

    Hoffman, Ian M.; Cohen, B. J.; Pacelli, R. R., Jr.

    2010-05-01

    The 0.7-meter Alumni Telescope of the Lenore and Walter Hawley Observatory at St. Paul's School is operational. This optical telescope is located on campus in Concord, New Hampshire as part of a larger facility. We present the results of the initial commissioning exercises including photometry and polarimetry. The equipment and site are described. We envision developing the Alumni Telescope as a user facility with science observations beginning in the near future.

  12. Evaluation of the Safe School Ambassadors Program: A Student-Led Approach to Reducing Mistreatment and Bullying in Schools

    ERIC Educational Resources Information Center

    Pack, Chris; White, Alexander; Raczynski, Katherine; Wang, Aijun

    2011-01-01

    Safe School Ambassadors (SSA) is a student-centered bystander education program developed by Community Matters to reduce bullying/mistreatment and enhance school climate. A two-part program evaluation was designed to assess the efficacy of the program's logic model and its impact on school-level discipline indicators. For the first part, a…

  13. Perceptions of the National Agriscience Teacher Ambassador Academy toward Integrating Science into School-Based Agricultural Education Curriculum

    ERIC Educational Resources Information Center

    Myers, Brian E.; Thoron, Andrew C.; Thompson, Gregory W.

    2009-01-01

    The purpose of this study was to determine perceptions of participants in the 2007 National Agriscience Teacher Ambassador Academy (NATAA) toward integrating science into the agricultural education curriculum. NATAA participants felt that students are more motivated to learn, better prepared in science, provided more opportunities to solve…

  14. Integrating Academics into Agriculture Programs: A Delphi Study to Determine Perceptions of the National Agriscience Teacher Ambassador Academy Participants

    ERIC Educational Resources Information Center

    Myers, Brian E.; Thompson, Gregory W.

    2009-01-01

    This study investigated the perceptions of participants in the National Agriscience Teacher Ambassador Academy as to the next steps the agricultural education profession should take to move forward in the area of integrating academic subject matter into agricultural education courses. All members of the 2007 Academy participated in the study.…

  15. Supporting college success in foster care alumni: salient factors related to postsecondary retention.

    PubMed

    Salazar, Amy M

    2012-01-01

    The current study aimed to identify factors associated with postsecondary disengagement for young people with foster care experience using survey data from a cross-sectional sample of foster care alumni scholarship recipients. Bivariate and multivariate analyses revealed several factors that differentiated those who did and did not disengage from college. Recommendations are given for improving service provision for youth transitioning from foster care who are considering pursuing higher education.

  16. Private Giving to Colleges Is up, but Fewer Alumni Make Donations

    ERIC Educational Resources Information Center

    Strout, Erin

    2006-01-01

    Colleges in the US raised a collective US$25.6-billion in private donations during the 2005 fiscal year, which is a 4.9% increase from the previous year, but the proportion of alumni who made gifts fell again. The wealth was also not evenly distributed, with the increase in giving to just the top ten institutions accounting for half of the total…

  17. Leakage currents in 4H-SiC JBS diodes

    SciTech Connect

    Ivanov, P. A. Grekhov, I. V.; Potapov, A. S.; Kon'kov, O. I.; Il'inskaya, N. D.; Samsonova, T. P.; Korol'kov, O.; Sleptsuk, N.

    2012-03-15

    Leakage currents in high-voltage 4H-SiC diodes, which have an integrated (p-n) Schottky structure (Junction Barrier Schottky, JBS), have been studied using commercial diodes and specially fabricated (based on a commercial epitaxial material) test Schottky diodes with and without the JBS structure. It is shown that (i) the main role in reverse charge transport is played by SiC crystal structure defects, most probably, by threading dislocations (density {approx}10{sup 4} cm{sup -2}), and (ii) the JBS structure, formed by the implantation of boron, partially suppresses the leakage currents (by up to a factor of 10 at optimal separation, 8 {mu}m between local p-type regions).

  18. Extended defects in 4H-silicon carbide homoepitaxial layers

    NASA Astrophysics Data System (ADS)

    Zhang, Xuan

    The purpose of this thesis is to study the structure of extended defects in 4H-SIC homoepitaxial layers, and to identify their nucleation mechanisms. Characteristics of basal plane dislocations in 4H-SiC epilayers were investigated in a comprehensive manner, including their morphologies, Burgers' vectors, positions, and correlation with the extended defects propagating from the substrate. Plan-view transmission x-ray topography was the major characterization technique used in this study. Complementary data was obtained by KOH etching and optical microscopy. Trace of glide was detected on every basal plane dislocation in the entire 3-inch epilayer. In the center area of the epi-wafer, the glide can extend to macroscopic distance and form edge-type dislocations at the epilayer/surface interface. During the motion, dislocation half loop arrays were found to nucleate at the growth front. The magnitude of the resolved shear stress was estimated based on the radius of curvature of the dislocation lines. It surpassed the critical resolved shear stress at the epitaxial growth temperature. The stress was identified to be compressive in the epilayer. Its origin was studied. Nitrogen-doping-difference-induced misfit strain was excluded as the source of the stress. The structures of two morphological defects, 'carrots' and 'arrows', were studied. Cross-section x-ray topography was used to image the structure of carrot defect in whole. The defect was found to nucleate at the epilayer/substrate interface on a threading screw dislocation propagating from the substrate. Its structure was mainly composed of a prismatic stacking fault and a Frank-type basal plane stacking fault. The arrow defect was found to be produced by a spheroid shape inclusion in the volume of the epilayer. Zone axis diffraction pattern under transmission electron microscope identified the nature of the inclusion as 3C-SIC. It was determined to nucleate at the substrate surface contaminations.

  19. 25 ways your employees can be goodwill ambassadors for your medical practice.

    PubMed

    Hills, Laura Sachs

    2006-01-01

    Most medical practice employees want their patients' experiences to be very positive. This article suggests 25 specific, easy, and no- or low-cost strategies every staff member can use to roll out the red carpet for patients. It provides several easy-to-implement techniques for remembering and using personal information about patients to demonstrate that you and your staff care about them. This article also suggests a number of finesse strategies that will make every office visitor feel like a VIP. It offers specific do's and don'ts about being courteous to patients. It also offers several tips your staff can use to become goodwill ambassadors for your practice in your community and for going the extra mile for your patients. Finally, this article offers a step-by-step procedure your staff can use to shake hands professionally with every one of your patients.

  20. Prostate Cancer Ambassadors: Enhancing a Theory-Informed Training Program for Informed Decision-Making.

    PubMed

    Vines, Anissa I; Hunter, Jaimie C; Carlisle, Veronica A; Richmond, Alan N

    2015-12-02

    Despite the high burden of prostate cancer in African American communities, there is a paucity of knowledge about prostate health. This paper describes the enhancement of a curriculum for training lay health advisors, called prostate cancer ambassadors, on informed decision-making for prostate cancer screening. Adult learning theory informed the structuring of the training sessions to be interactive, self-directed, and engaging. Trainings were developed in a manner that made the material relevant to the learners and encouraged co-learning. The research team developed strategies, such as using discussions and interactive activities, to help community members weigh the pros and cons of prostate-specific antigen (PSA) screening and to make an informed decision about screening. Furthermore, activities were developed to bolster four social cognitive theory constructs: observational learning, self-efficacy for presenting information to the community and for making an informed decision themselves, collective efficacy for presenting information to the community, and outcome expectations from those presentations. Games, discussions, and debates were included to make learning fun and encourage discovery. Practice sessions and team-building activities were designed to build self-efficacy for sharing information about informed decision-making. Topics added to the original curriculum included updates on prostate cancer screening, informed decision-making for screening, skills for being a lay health advisor, and ethics. This dynamic model and approach to lay health advisor (ambassador) training is flexible: while it was tailored for use with prostate cancer education, it can be adjusted for use with other types of cancer and even other diseases.

  1. NASA Stratospheric Observatory For Infrared Astronomy (SOFIA) Airborne Astronomy Ambassador Program Evaluation Results To Date

    NASA Astrophysics Data System (ADS)

    Harman, Pamela K.; Backman, Dana E.; Clark, Coral

    2015-08-01

    SOFIA is an airborne observatory, capable of making observations that are impossible for even the largest and highest ground-based telescopes, and inspires instrumention development.SOFIA is an 80% - 20% partnership of NASA and the German Aerospace Center (DLR), consisting of a modified Boeing 747SP aircraft carrying a diameter of 2.5 meters (100 inches) reflecting telescope. The SOFIA aircraft is based at NASA Armstrong Flight Research Center, Building 703, in Palmdale, California. The Science Program Office and Outreach Office is located at NASA Ames Research center. SOFIA is one of the programs in NASA's Science Mission Directorate, Astrophysics Division.SOFIA will be used to study many different kinds of astronomical objects and phenomena, including star birth and death, formation of new solar systems, identification of complex molecules in space, planets, comets and asteroids in our solar system, nebulae and dust in galaxies, and ecosystems of galaxies.Airborne Astronomy Ambassador Program:The SOFIA Education and Communications program exploits the unique attributes of airborne astronomy to contribute to national goals for the reform of science, technology, engineering, and math (STEM) education, and to the elevation of public scientific and technical literacy.SOFIA’s Airborne Astronomy Ambassadors (AAA) effort is a professional development program aspiring to improve teaching, inspire students, and inform the community. To date, 55 educators from 21 states; in three cohorts, Cycles 0, 1 and 2; have completed their astronomy professional development and their SOFIA science flight experience. Cycle 3 cohort of 28 educators will be completing their flight experience this fall. Evaluation has confirmed the program’s positive impact on the teacher participants, on their students, and in their communities. Teachers have incorporated content knowledge and specific components of their experience into their curricula, and have given hundreds of presentations and

  2. Painting with Broader Strokes: Reassessing the Value of an Arts Degree--Based on the Results of the 2010 Strategic National Arts Alumni Project. Special Report 1

    ERIC Educational Resources Information Center

    Lindemann, Danielle J.; Tepper, Steven J.

    2012-01-01

    What is the value of an arts degree? How do arts graduates define success and how can educational institutions better prepare arts students for career achievement? The responses of 13,581 arts alumni to the Strategic National Arts Alumni Project (SNAAP) survey in 2010 provide an unprecedented opportunity to answer critical questions. SNAAP results…

  3. Evaluation of Skills Needed in College Education by Colleges of Agriculture Alumni from 1862 and 1890 Land Grant Universities in Alabama and Tennessee

    ERIC Educational Resources Information Center

    Zekeri, Andrew A.; Baba, Pauline A.

    2014-01-01

    The purpose of this study is to examine college skills Alumni from 1862 and 1890 Land-Grant universities in Alabama and Tennessee rated as essential to acquire in their college education. The data are from a survey of colleges of agriculture alumni who graduated from six land-grant universities in Alabama and Tennessee. IBM SPSS Statistical…

  4. The ultraviolet photochemistry of diacetylene - Direct detection of primary products of the metastable C4H2* + C4H2 reaction

    NASA Technical Reports Server (NTRS)

    Bandy, Ralph E.; Lakshminarayan, Chitra; Frost, Rex K.; Zwier, Timothy S.

    1993-01-01

    The products of diacetylene's ultraviolet photochemistry over the 245-220 nm region were directly determined in experiments where C4H2 was excited within a small reaction tube attached to a pulsed nozzle. The products formed in the collisions of C4H2* with C4H2 were subsequently ionized by vacuum UV radiation (at 118 nm) in the ion source of a time-of-flight mass spectrometer. It was found that the reaction of C4H2* with C4H2 produces C6H2 (+C2H2), C8H2 (+2H,H2), and C8H3 (+H), confirming the results of Glicker and Okabe (1987). Under certain conditions, secondary products were observed. Mechanisms for the observed reactions are proposed.

  5. Perceptions of Missouri 4-H Youth Development Personnel Regarding Interorganizational Cooperative Behavior

    ERIC Educational Resources Information Center

    McKim, Billy R.; Torres, Robert M.

    2011-01-01

    Perceptions of 4-H youth development personnel regarding interorganizational cooperation were studied between the perceived and desired levels of cooperative activities between 4-H youth development personnel and secondary agriculture teachers. Results indicated that 4-H youth development personnel wanted higher levels of coordinated efforts…

  6. Using the Delphi Technique to Assess Educational Needs Related to Extension's 4-H Beef Program.

    ERIC Educational Resources Information Center

    Shih, Ching-Chun; Gamon, Julia A.

    1997-01-01

    Delphi panels completing questionnaires included 32 parents of 4-H students, 16 extension beef specialists, 21 4-H field specialists, and 21 industry representatives. They identified 31 subject-matter and 30 life-skill topics useful for 4-H manuals. Emerging topics included consumer and environmental concerns. (SK)

  7. Examination of Attitude and Interest Measures for 4-H Science Evaluation

    ERIC Educational Resources Information Center

    Lewis, Kendra M.; Worker, Steven M.

    2015-01-01

    Science education research has demonstrated the influence of affect on learning. The National 4-H Science Logic Model outlines outcomes from youth participation in 4-H science programs, which includes attitude and interest outcomes. The associated measure, the National 4-H Science Common Measure, assesses these attitude constructs and not other…

  8. Expression analysis of kenaf cinnamate 4-hydroxylase (C4H) ortholog during developmental and stress responses

    Technology Transfer Automated Retrieval System (TEKTRAN)

    This study was conducted to clone and analyze the expression pattern of a C4H gene encoding cinnamate 4-hydroxylase from kenaf (Hibiscus cannabinus L.). A full-length C4H ortholog was cloned using degenerate primers and the RACE (rapid amplification of cDNA ends) method. The full-length C4H ortholog...

  9. Understanding the Knowledge and Use of Experiential Learning within Pennsylvania 4-H Clubs

    ERIC Educational Resources Information Center

    Bechtel, Robyn; Ewing, John C.; Threeton, Mark; Mincemoyer, Claudia

    2013-01-01

    Experiential learning is incorporated into the National 4-H curriculum. However, the state 4-H staff in Pennsylvania is unsure of the current knowledge and use of experiential learning within the local 4-H clubs. An online survey was distributed to Extension educators and volunteer leaders within Pennsylvania to assess the current knowledge and…

  10. Stewardship as a Means to Create Organizational Reform: A View into Minnesota 4-H Youth Development

    ERIC Educational Resources Information Center

    Skuza, Jennifer A.; Freeman, Dorothy M.; Bremseth, Tamara J.; Doering, Shirley A.; Quinlan, Robert B.; Morreim, Patricia A.; Deidrick, James C.

    2010-01-01

    Minnesota 4-H Youth Development (MN 4-H) used stewardship as a means to create organizational reform to address the public use of the 4-H name and emblem in terms of risk management, real estate and equipment, and finances. A task force implemented a participatory process with colleagues and stakeholders to build and implement the reform effort.…

  11. NASA Astrophysics E/PO Impact: The Astrophysics Educator Ambassador Program

    NASA Astrophysics Data System (ADS)

    Cominsky, Lynn R.; McLin, Kevin M.; SSU E/PO Team

    2015-01-01

    The NASA Astrophysics Educator Ambassador (EA) Program began in 2001 as part of the GLAST (now Fermi) E/PO effort at Sonoma State University. The program currently supports 15 EAs, sponsored by either Fermi, Swift, XMM-Newton or NuSTAR. This group of master educators work with mission scientists and E/PO personnel to develop curricula and train teachers; they also do workshops for students and outreach events with the general public. We have held six bi-annual weeklong trainings at SSU: each has had a different focus. Special topics of study have included the Dark Universe, Particle Physics and Gravitation. Additionally, time is given for the EAs to share ideas from their own workshops. In the 14 years of the program, the total number of teachers attending EA-run workshops is over 65,000. Over 1500 workshops have been evaluated by participants, and these evaluation scores and comments have been further analyzed by external experts at WestEd. The WestEd report summarizes the results: "Almost universally high ratings are obtained even though a wide range of participants by grade level, teaching experience or interest typically attends EA conference sessions, and they can bring quite different needs or perspectives." In this talk, I will report details of the impacts of the Astrophysics EA program.

  12. Henry James's "The Ambassadors": the promise to lonely adolescents that there will be a future.

    PubMed

    Young, Barbara

    2009-01-01

    Adolescence is a lonely time for all of us, as we shift our emotional attachment from our parents to our own autonomous selves and to those people outside our families who will be essential to our emotional growth. Perhaps because Henry James's novel The Ambassadors (1903) deals so masterfully with this subject, it promised the author that there would be a future beyond her senior year in college. The novel has two protagonists: a young American who has arrived at his maturity in Paris, and a middle-aged man who lives in a gray, ungratifying world because he has missed the opportunity to complete his unfolding into an independent sexual being. For background material, James called upon two periods from his own life: his unhappy adolescence, which he overcame by making a life for himself as a writer in England, and his continuing emotional growth at the time he wrote the novel, at the age of 56. The author deals with both adolescence itself and with the ways in which we use the coping skills and creative strengths we developed in adolescence to enrich our lives and sustain ourselves at times of crisis.

  13. Construction of Engineering Education Program based on the Alumni's Evaluation of the Educational Outcome

    NASA Astrophysics Data System (ADS)

    Tsukamoto, Takehiko; Nishizawa, Hitoshi

    The Department of Electrical and Electronic Engineering in Toyota National College of Technology has put great emphasis on fundamental subjects, such as “electrical and electronic circuit" and “electromagnetism" more than 40 years. On the other hand, several issues of our college were clarified by the alumni's evaluation of the educational outcome in 2002. The most serious issue was low achievement of English and Social education. The alumni of all generation are dissatisfied with their low skill in English communication. As a part of the educational reforms, our department has constructed a new engineering education program focusing on fundamental ability. We introduced many problem-based-learning experiments and the compulsory subjects such as “English communication for electrical engineers" and “Engineering Ethics" into this program. Great educative results are obtained by these improvements. As a typical example, the scores of all 2nd grade students of advanced engineering course in TOEIC tests became 450 points or more. Our program has been authorized by JABEE since 2004.

  14. Alumni-based evaluation of a novel veterinary curriculum: are Nottingham graduates prepared for clinical practice?

    PubMed Central

    Cobb, K. A.; Brown, G. A.; Hammond, R. H.; Mossop, L. H.

    2015-01-01

    Introduction Outcomes-based education has been the core of the curriculum strategy of the Nottingham School of Veterinary Medicine and Science (SVMS) since its inception in 2006. As part of the ongoing curriculum evaluation, the first two graduating cohorts were invited to provide an appraisal of their preparation by the SVMS curriculum for their role in clinical practice. This paper provides brief accounts of the SVMS curriculum model, the development of the evaluation instrument and the findings of the alumni survey. Materials and Methods The evaluation instrument contained 25 attributes expected of SVMS graduates. Alumni rated their preparation for practice in relation to each attribute. Results The four highest rated characteristics were compassion for animals and the application of ethics to animal welfare; communication skills; recognising own limitations and seeking help and advice where needed and clinical examination skills. The four lowest rated were clinical case management and therapeutic strategies; dealing with veterinary public health and zoonotic issues; knowledge of current veterinary legislation and dealing with emergency and critical care cases. Free text responses were in line with these quantitative findings. Conclusion The results indicate that this sample of SVMS graduates were satisfied with their undergraduate education and felt well prepared for their role in clinical practice. PMID:26392910

  15. The Joy of Advertising: Everything You Always Wanted to Know About Starting an Advertising Program for Your Alumni Periodical.

    ERIC Educational Resources Information Center

    Bailey, Anne Lowrey

    1983-01-01

    Alumni periodical editors who successfully carry advertising were surveyed. Advertising, it is suggested, can pay for itself and defray part of production and distribution costs. The range of advertisers includes national, local, and in-house advertising, classified, business and professional advertising, and career placement advertising. (MLW)

  16. A Qualitative Assessment of Efforts to Integrate Data Analysis throughout the Sociology Curriculum: Feedback from Students, Faculty, and Alumni

    ERIC Educational Resources Information Center

    Wilder, Esther Isabelle

    2010-01-01

    Quantitative and computer literacy are increasingly recognized as core components of a liberal education in sociology. This study draws on student, faculty, and alumni questionnaires to identify the kinds of quantitative literacy skills that are perceived to be most critical for students enrolled in sociology courses. Respondents at Lehman College…

  17. Closing the Classroom Door and the Achievement Gap: Teach for America Alumni Teachers' Appropriation of Arizona Language Policy

    ERIC Educational Resources Information Center

    Heineke, Amy J.; Cameron, Quanna

    2013-01-01

    This qualitative study explored Teach for America (TFA) alumni teachers' discourse on Arizona language policy, conducted with eight teachers in the Phoenix metropolitan area who received their professional teacher preparation from TFA, a national organization that uses alternative paths to certification to place teachers in low-income schools.…

  18. Why Alumni Don't Give: A Qualitative Study of What Motivates Non-Donors to Higher Education

    ERIC Educational Resources Information Center

    Wastyn, M. Linda

    2009-01-01

    This project explores why non-donors do not give to their alma mater by interviewing 12 non-donors for an in-depth examination of their decision-making processes. The Van Slyke and Brooks (2005) model of alumni giving provides the conceptual framework. This study concludes that where donors and non-donors differ is in the ways in which they…

  19. Why Alumni Give: How Campus Environment and Sense of Belonging Shape Nontraditional Students' Intent to Give Financially to Their University

    ERIC Educational Resources Information Center

    Miller, Myra E.

    2013-01-01

    Institutions of higher learning are dependent on financial giving from alumni, individuals, companies, foundations, and organizations whose gifts help strengthen the core of the university. Donations improve academic programs, fund research, enhance student life, provide better facilities, and assist with initiatives of the institution.…

  20. Entrevista/Interview: Q: How to Raise Money for Your Hispanic Students? A: Involve Your Alumni and Their Corporate Contacts.

    ERIC Educational Resources Information Center

    Taylor, Karla

    1983-01-01

    An interview with Raul Vargas, the director of the University of Southern California's Office for Mexican American Programs is presented. The office provides scholarships for some of USC's Hispanic undergraduates, raises scholarship money through alumni and corporate contacts, and acts as a liaison between the university and the Hispanic…

  1. Questioning the Questions: The Good, the Bad, and the Dicey in Fund-Raising and Alumni Surveys.

    ERIC Educational Resources Information Center

    Trimarco, Paola

    1994-01-01

    A discussion of college alumni surveys considers the kinds of information that are most helpful to the institution in fund raising, including names and preferred forms of address, significant others, demographics, Social Security numbers, occupational information, and income and net worth. (MSE)

  2. Seniors in Action: A Case Study of Participation at the University of Toronto by the Senior Alumni Association.

    ERIC Educational Resources Information Center

    Gleberzon, William

    Objectives, administrative organization, and activities of the Senior Alumni Association of the University of Toronto, which consists of members at least 60 years old, are described. The programs of the association are self-sustaining and generated from fees charged for its continuing education courses. Surplus funds generated by these fees are…

  3. Sociology and Other Social Sciences: California State University Alumni Ratings of the BA Degree for Development of Employment Skills.

    ERIC Educational Resources Information Center

    Velasco, Steven C.; And Others

    1992-01-01

    Compares California State University alumni survey ratings evaluating each social science major in developing basic employment skills. Concludes that, although sociology received mediocre ratings compared to the other social science majors in the latest study, the ratings are improving. Reports substantially lower incomes for women alumnae as…

  4. Star Treatment: Many Alumni Have an Increasing Sense of Entitlement--Here's How to Cope

    ERIC Educational Resources Information Center

    Scully, Maura King

    2013-01-01

    Stories about young graduates grumbling about a variety of concerns, from the price of athletics tickets to a perceived lack of outreach from faculty they worked with as students, pop up frequently in chatter among alumni directors at conferences, on discussion boards, and in casual conversations between peers. The consensus is that…

  5. Alumni Giving at Arkansas Tech University: College Experiences and Motivations to Give as Predictors of Giving Behavior

    ERIC Educational Resources Information Center

    Lackie, Mary Bane

    2010-01-01

    The purpose of this study was to examine the characteristics of the "Lost Generation" alumni who ended their attendance or graduated from Arkansas Tech University (Tech) between January 1973 and December 1995 relating to their demographic characteristics, perceptions of college experiences, involvement with Tech after graduation, and attitudes…

  6. Alumni of a BSW-Level Specialized Title IV-E Program Voice Their Experiences in the Workplace

    ERIC Educational Resources Information Center

    Falk, Diane S.

    2015-01-01

    This study surveyed 289 alumni of a specialized Title IV-E program that prepares undergraduate social work students for careers in public child welfare, examining factors such as turnover rates, adherence to strengths-based practice principles, perceptions of work conditions, and intent to stay. Findings indicate that graduates of this program…

  7. The reinvestigation of the kinetics of the metathesis reactions t-C4H9• + HBr (HI) → i-C4H10 + Br• (I•) and of the t-C4H9• free radical thermochemistry.

    PubMed

    Leplat, N; Rossi, M J

    2014-07-17

    A reinvestigation of the absolute rate constant of the metathesis reactions t-C4H9• + HBr → i-C4H10 + Br• (1) and t-C4H9• + HI → i-C4H10 + I• (2) was performed thanks to a recently developed apparatus consisting of a Knudsen reactor coupled to detection based on single-photon (VUV) photoionization mass spectrometry (SPIMS). It enables the generation of thermalized hydrocarbon free radicals owing to a source upstream of and external to the Knudsen reactor. The following Arrhenius expressions were obtained: k1 = 5.6(±1.4) × 10(–12) exp(−6.76(±0.94)/(RT)) and k2 = 2.0(±0.6) × 10(–11) exp(−8.48(±0.94)/(RT)) with R = 8.314 J mol(–1) K(–1) over the range 293 to 623 K. The mass balance of the reaction system based on closed shell product detection (CSPD) was checked in order to ensure the accuracy of the used reaction mechanism and as an independent check of k1 and k2. The wall-loss rate constants of the t-butyl free radical, kw(C4H9), were measured and found to be low compared with the corresponding escape rate constant, ke(C4H9), for effusion of t-C4H9• out of the Knudsen reactor. On the basis of the present results, the free radical standard heat of formation ΔfH298°(t-C4H9•) = 44.3 ± 1.7 kJ mol(–1) was obtained when combined with the kinetics of the inverse halogenation reaction taken from the literature and using S298°(t-C4H9•) = 322.2 J K(–1) mol(–1) following a “Third Law” evaluation method. The standard enthalpy for t-butyl free radical is consistent for both the bromination and iodination reactions within the stated uncertainties.

  8. Synthesis of 4H/fcc-Au@Metal Sulfide Core-Shell Nanoribbons.

    PubMed

    Fan, Zhanxi; Zhang, Xiao; Yang, Jian; Wu, Xue-Jun; Liu, Zhengdong; Huang, Wei; Zhang, Hua

    2015-09-02

    Although great advances on the synthesis of Au-semiconductor heteronanostructures have been achieved, the crystal structure of Au components is limited to the common face-centered cubic (fcc) phase. Herein, we report the synthesis of 4H/fcc-Au@Ag2S core-shell nanoribbon (NRB) heterostructures from the 4H/fcc Au@Ag NRBs via the sulfurization of Ag. Remarkably, the obtained 4H/fcc-Au@Ag2S NRBs can be further converted to a novel class of 4H/fcc-Au@metal sulfide core-shell NRB heterostructures, referred to as 4H/fcc-Au@MS (M = Cd, Pb or Zn), through the cation exchange. We believe that these novel 4H/fcc-Au@metal sulfide NRB heteronanostructures may show some promising applications in catalysis, surface enhanced Raman scattering, solar cells, photothermal therapy, etc.

  9. 7 CFR 8.9 - Use in 4-H fund raising.

    Code of Federal Regulations, 2014 CFR

    2014-01-01

    ... Food and Agriculture, United States Department of Agriculture, or a designee, if the fund-raising... 7 Agriculture 1 2014-01-01 2014-01-01 false Use in 4-H fund raising. 8.9 Section 8.9 Agriculture Office of the Secretary of Agriculture 4-H CLUB NAME AND EMBLEM § 8.9 Use in 4-H fund raising. (a)...

  10. 7 CFR 8.9 - Use in 4-H fund raising.

    Code of Federal Regulations, 2012 CFR

    2012-01-01

    ... Food and Agriculture, United States Department of Agriculture, or a designee, if the fund-raising... 7 Agriculture 1 2012-01-01 2012-01-01 false Use in 4-H fund raising. 8.9 Section 8.9 Agriculture Office of the Secretary of Agriculture 4-H CLUB NAME AND EMBLEM § 8.9 Use in 4-H fund raising. (a)...

  11. 7 CFR 8.9 - Use in 4-H fund raising.

    Code of Federal Regulations, 2013 CFR

    2013-01-01

    ... Food and Agriculture, United States Department of Agriculture, or a designee, if the fund-raising... 7 Agriculture 1 2013-01-01 2013-01-01 false Use in 4-H fund raising. 8.9 Section 8.9 Agriculture Office of the Secretary of Agriculture 4-H CLUB NAME AND EMBLEM § 8.9 Use in 4-H fund raising. (a)...

  12. 4-H PetPALS Juvenile Diversion Program Supports At-Risk Youth and Seniors

    ERIC Educational Resources Information Center

    Goble, Connie L.; Miller, Lucinda B.

    2014-01-01

    The 4-H PetPALS Juvenile Diversion Program provides a partnership opportunity with Extension and the juvenile court system to positively impact lives of at-risk youth. At-risk youth are taught by 4-H PetPALS adult volunteer leaders and 4-H PetPALS members to value and respect the human-animal bond, as well as to understand and empathize with…

  13. "Couch surfing" of Latino foster care alumni: reliance on peers as social capital.

    PubMed

    Perez, Beatrix F; Romo, Harriett D

    2011-04-01

    Youth exiting foster care often experience difficulties transitioning into adulthood. This paper focuses on Latino foster care youth in a major southwestern U.S. city and addresses the importance of peer networks as a crucial form of social capital as youth leave foster care. Case studies illustrate experiences of foster care alumni ranging in age from 18 to 26. Findings suggest that lack of housing forces youth into residential mobility or "couch surfing" and episodes of homelessness. Familial connections continue to be important to Latino youth. When Latino youth are unsuccessful in re-establishing family relationships, survival is dependent upon peer social capital as youth move between extended family and friends, eventually relying upon peers for support. Recommendations are included.

  14. Informal and Formal Help Seeking Among Older Black Male Foster Care Youth and Alumni.

    PubMed

    Scott, Lionel D; McMillen, J Curtis; Snowden, Lonnie R

    2015-02-01

    Using the behavioral model for vulnerable populations as a framework, this study examined predisposing, enabling, and need factors related to seeking help from formal and informal sources among older Black male foster youth and alumni. Results of logistic regression analyses showed that emotional control, a predisposing variable, was related to help-seeking. Specifically, greater adherence to the norm of emotional control was related to lower likelihood of using informal or formal sources of help. These results support the literature on males, in general, and Black males, in particular, that posits that inhibitions to express emotions are a barrier to their help seeking. Implications for help seeking among vulnerable populations of adolescent and young adult Black males are discussed.

  15. Connected Curriculum for sharing science with alumni, industry partners and charitable organizations

    NASA Astrophysics Data System (ADS)

    Tong, V.

    2015-12-01

    The Connected Curriculum (CC) is the institutional framework for research-based education at University College London. Undergraduate and graduate students across the research-intensive university are given the opportunities to produce inquiry-based work to connect with professors, fellow students from different faculties, alumni around the world, as well as industry partners and charitable organizations. Through the development of cross-faculty theme-based online networks, the CC encourages students and academics to share and communicate their science to a broad range of interested audience. In this presentation, I discuss how an institutional research-based education initiative can provide a powerful platform for engaging students and academics in communicating the importance and societal relevance of their scientific work to the wider world.

  16. AB INITIO CHARACTERIZATION OF C{sup -}{sub 4}, C{sub 4}H, AND C{sub 4}H{sup -}

    SciTech Connect

    Senent, M. L.

    2010-01-10

    Using state-of-the-art theoretical methods, we investigate the stable isomers of C{sup -}{sub 4}, C{sub 4}H and C{sub 4}H{sup -}. Three of them are relevant for astrophysics and astrochemistry. These computations are performed using highly correlated ab initio methods and the aug-cc-pVXZ (X = T,Q) basis sets. In addition to the linear isomers, we predict the existence of several cyclic and branched forms for these molecules. For all the molecular species of interest here, sets of spectroscopic parameters are determined with perturbation theory, which compare quite well with experiment. For l - C{sub 4}H{sup -}(X {sup 1}SIGMA{sup +}), the quartic force field is computed at the coupled cluster level of theory. This force field is derived from full nine-dimensional potential energy surface generated close to the equilibrium geometry of this anion. Finally, we treat the thermochemistry of the hydrogen attachment and the electron attachment reactions that may lead to the formation of the C{sub 4}H{sup -} from either C{sup -}{sub 4} or C{sub 4}H.

  17. 4-H and Tech Ed Partnership Gets Students Geeked about STEM

    ERIC Educational Resources Information Center

    Ivey, Debra; Quam, Greg

    2009-01-01

    This article discusses the 4-H Gateway Academies specifically designed to enhance science, technology, engineering, and math (STEM) skills and knowledge in middle school youth. The innovative summer day camps partnered Project Lead the Way--trained teachers with county 4-H staff from University of Wisconsin-Extension (UW-Extension) Cooperative…

  18. 4-H and Forestry Afterschool Clubs: A Collaboration to Foster Stewardship Attitudes and Behaviors in Youth

    ERIC Educational Resources Information Center

    Gupta, Angela S.; Grant, Samantha; Strauss, Andrea Lorek

    2012-01-01

    The University of Minnesota Extension's 4-H and Forestry Afterschool program combined the 4-H structure and various forestry curricula to foster positive attitudes towards the environment and stewardship-related behaviors as these may serve as precursors to later choices that benefit the environment. Evaluation of third through fifth grade club…

  19. 4-H Youth Development: The Past, the Present, and the Future

    ERIC Educational Resources Information Center

    Borden, Lynne M.; Perkins, Daniel F.; Hawkey, Kyle

    2014-01-01

    The 4-H Program within Cooperative Extension is more than 100 years old. As we celebrate 100 years of Cooperative Extension, the foundation built by the 4-H Program serves as grounds to meet the needs of today's youth. The diversity of the youth who participate continues to grow, families continue to become less traditional, potential…

  20. Cinnamate 4-Hydroxylase (C4H) genes from Leucaena leucocephala: a pulp yielding leguminous tree.

    PubMed

    Kumar, Santosh; Omer, Sumita; Patel, Krunal; Khan, Bashir M

    2013-02-01

    Leucaena leucocephala is a leguminous tree species accounting for one-fourth of raw material supplied to paper and pulp industry in India. Cinnamate 4-Hydroxylase (C4H, EC 1.14.13.11) is the second gene of phenylpropanoid pathway and a member of cytochrome P450 family. There is currently intense interest to alter or modify lignin content of L. leucocephala. Three highly similar C4H alleles of LlC4H1 gene were isolated and characterized. The alleles shared more than 98 % sequence identity at amino acid level to each other. Binding of partial promoter of another C4H gene LlC4H2, to varying amounts of crude nuclear proteins isolated from leaf and stem tissues of L. leucocephala formed two loose and one strong complex, respectively, suggesting that the abundance of proteins that bind with the partial C4H promoter is higher in stem tissue than in leaf tissue. Quantitative Real Time PCR study suggested that among tissues of same age, root tissues had highest level of C4H transcripts. Maximum transcript level was observed in 30 day old root tissue. Among the tissues investigated, C4H activity was highest in 60 day old root tissues. Tissue specific quantitative comparison of lignin from developing seedling stage to 1 year old tree stage indicated that Klason lignin increased in tissues with age.

  1. Food Challenge: Serving Up 4-H to Non-Traditional Audiences

    ERIC Educational Resources Information Center

    Dodd, Sara; Follmer-Reece, Holly E.; Kostina-Ritchey, Erin; Reyna, Roxanna

    2015-01-01

    This article describes a novel approach for introducing 4-H to non-traditional/diverse audiences using 4-H Food Challenge. Set in a low SES and minority-serving rural school, Food Challenge was presented during the school day to all 7th grade students, with almost half voluntarily participating in an after-school club component. Program design…

  2. Characteristics and Perceptions of 4-H Participants: Gender and Age Differences across Adolescence

    ERIC Educational Resources Information Center

    Bartoszuk, Karin; Randall, Brandy A.

    2011-01-01

    The study reported here examined 367 adolescent 4-H participants in terms of demographic, psychological, behavioral, and relational characteristics, as well as their perceptions and experiences in 4-H. Overall, participants scored high on all outcome variables except having a diverse population in their club. Older participants were more…

  3. Birds in Your Backyard. 4-H Leaders Guide. L-5-17.

    ERIC Educational Resources Information Center

    Hawkes, Janet E.; Held Phillips, Diane

    This pocket folder of instructional materials is designed to introduce youth aged 9 to 12 to ornithology, the study of birds. The package includes a 4-H member's guide and a Leader's guide. The illustrated 4-H member's guide contains information about attracting and feeding birds. It also includes activities for cooking for birds, making bird…

  4. The Effects of Age, Gender, and 4-H Involvement on Life Skill Development

    ERIC Educational Resources Information Center

    Haas, Bruce E.; Mincemoyer, Claudia C.; Perkins, Daniel F.

    2015-01-01

    The study reported here examined the effects of age, gender, and 4-H involvement in clubs on life skill development of youth ages eight to 18 over a 12-month period. Regression analyses found age, gender, and 4-H involvement significantly influenced life skill development. Results found that females have higher levels of competencies in life…

  5. 4-H Healthy Living Programs with Impact: A National Environmental Scan

    ERIC Educational Resources Information Center

    Downey, Laura H.; Peterson, Donna J.; LeMenestrel, Suzanne; Leatherman, JoAnne; Lang, James

    2014-01-01

    The 4-H youth development program of the nation's 109 land-grant universities and the Cooperative Extension System is one of the largest youth development organization in the United States serving approximately six million youth. The 4-H Healthy Living initiative began in 2008 to promote achievement of optimal physical, social, and emotional…

  6. The 4-H Debate Project: Getting Adults and Children Involved in Communication.

    ERIC Educational Resources Information Center

    Atwater, Deborah F.

    Intended to enhance adult leadership skills, the 4-H Debate Project, developed by the 4-H Communication Committee of Delaware County (Pennsylvania), was designed to (1) increase the members' knowledge of library skills through research, (2) make them aware of current issues, (3) help them to become better public speakers and communicators, (4)…

  7. Acquisition, Custody, and Storage of Firearms Used in 4-H Shooting Sports Programs

    ERIC Educational Resources Information Center

    White, David J.; Smith, Jedediah D.

    2014-01-01

    Shooting sports has been a 4-H program offering since the 1930's. Tragic events related to the use of firearms as weapons have caused public and private entities to evaluate and consider the appropriateness of youth access to and usage of firearms. 4-H educators have the primary responsibility for managing the risk associated with shooting sports…

  8. An Examination of 4-H Youths' Needs and Interests, and Implications for State Conference.

    ERIC Educational Resources Information Center

    Rude, Tarri Lou

    A study was conducted to determine the needs and interests of teens in 4-H and whether the Washington State Conference is meeting those needs and interests. A mail survey was developed and sent to 557 teen 4-H members in Washington who were randomly selected from the 1985 state enrollment list. Three hundred and sixty questionnaires were returned…

  9. 7 CFR 8.9 - Use in 4-H fund raising.

    Code of Federal Regulations, 2010 CFR

    2010-01-01

    ...-raising programs using the 4-H Name or Emblem may be carried out for specific educational purposes. Such... Research, Education, and Extension Service, United States Department of Agriculture, or a designee, if the fund-raising program is multi-State or Nationwide. (b) When used to promote 4-H educational...

  10. Fitting the Framework: The STEM Institute and the 4-H Essential Elements

    ERIC Educational Resources Information Center

    Sallee, Jeff; Peek, Gina G.

    2014-01-01

    Extension and 4-H youth development programs are addressing a shortage of scientists, engineers, and other related professionals by promoting science, technology, engineering, and math (STEM). This case study illustrates how the Oklahoma 4-H Youth Development program trained youth-adult teams to design and implement STEM projects. The STEM…

  11. Bringing Carnaval Drum and Dance Traditions into 4-H Programming for Latino Youth

    ERIC Educational Resources Information Center

    Conklin-Ginop, Evelyn; Braverman, Marc T.; Caruso, Robyn; Bone, Dennis

    2011-01-01

    4-H Bloco Drum and Dance is an afterschool program that teaches adolescents drumming, dancing, and theater arts in the rich traditions of Brazilian Carnaval. Teens learn to express themselves in a variety of modalities and perform at community events. The program was developed by a community coalition that included 4-H, other youth programs, and…

  12. Factors Related to the Developmental Experiences of Youth Serving as 4-H Camp Counselors

    ERIC Educational Resources Information Center

    Carter, David N.; Kotrlik, Joe W.

    2008-01-01

    The purpose of this study was to investigate the developmental experiences of high-school-aged 4-H youth volunteering as counselors at Louisiana 4-H summer camps. A total of 288 counselors from 10 different camping sessions participated in the study. The Youth Experiences Survey 2.0 and the Developmental Experience Survey measured the personal…

  13. Unusual reaction paths of SN2 nucleophile substitution reactions CH4 + H- → CH4 + H- and CH4 + F- → CH3F + H-: Quantum chemical calculations

    NASA Astrophysics Data System (ADS)

    Minyaev, Ruslan M.; Quapp, Wolfgang; Schmidt, Benjamin; Getmanskii, Ilya V.; Koval, Vitaliy V.

    2013-11-01

    Quantum chemical (CCSD(full)/6-311++G(3df,3pd), CCSD(T)(full)/6-311++G(3df,3pd)) and density function theory (B3LYP/6-311++G(3df,3pd)) calculations were performed for the SN2 nucleophile substitution reactions CH4 + H- → CH4 + H- and CH4 + F- → CH3F + H-. The calculated gradient reaction pathways for both reactions have an unusual behavior. An unusual stationary point of index 2 lies on the gradient reaction path. Using Newton trajectories for the reaction path, we can detect VRI point at which the reaction path branches.

  14. Volumetric Properties of the Mixture Oxolan-2-one C4H6O2 + C4H10O Butan-1-ol (VMSD1511, LB4906_V)

    NASA Astrophysics Data System (ADS)

    Cibulka, I.; Fontaine, J.-C.; Sosnkowska-Kehiaian, K.; Kehiaian, H. V.

    This document is part of Subvolume C 'Binary Liquid Systems of Nonelectrolytes III' of Volume 26 'Heats of Mixing, Vapor-Liquid Equilibrium, and Volumetric Properties of Mixtures and Solutions' of Landolt-Börnstein Group IV 'Physical Chemistry'. It contains the Chapter 'Volumetric Properties of the Mixture Oxolan-2-one C4H6O2 + C4H10O Butan-1-ol (VMSD1511, LB4906_V)' providing data from direct measurement of low-pressure thermodynamic speed of sound at variable mole fraction and constant temperature, in the single-phase region(s).

  15. Structural analysis of the 3C|4H boundaries formed on prismatic planes in 4H-SiC epitaxial films

    NASA Astrophysics Data System (ADS)

    Yamashita, T.; Matsuhata, H.; Naijo, T.; Momose, K.; Osawa, H.

    2016-12-01

    The boundaries between 3C and 4H-SiC domains on the prismatic planes of hexagonal lattices formed in a 4H-SiC epitaxial film were investigated using both transmission and scanning transmission electron microscopy. These observations determined that the boundaries have a periodic structure, in which each unit cell consists of 12 basal planes of the hexagonal lattice. Six Shockley partial dislocations are situated in each unit cell of the boundary structure. Burgers vectors and core structures of these partial dislocations are discussed.

  16. Ultra high voltage MOS controlled 4H-SiC power switching devices

    NASA Astrophysics Data System (ADS)

    Ryu, S.; Capell, C.; Van Brunt, E.; Jonas, C.; O'Loughlin, M.; Clayton, J.; Lam, K.; Pala, V.; Hull, B.; Lemma, Y.; Lichtenwalner, D.; Zhang, Q. J.; Richmond, J.; Butler, P.; Grider, D.; Casady, J.; Allen, S.; Palmour, J.; Hinojosa, M.; Tipton, C. W.; Scozzie, C.

    2015-08-01

    Ultra high voltage (UHV, >15 kV) 4H-silicon carbide (SiC) power devices have the potential to significantly improve the system performance, reliability, and cost of energy conversion systems by providing reduced part count, simplified circuit topology, and reduced switching losses. In this paper, we compare the two MOS based UHV 4H-SiC power switching devices; 15 kV 4H-SiC MOSFETs and 15 kV 4H-SiC n-IGBTs. The 15 kV 4H-SiC MOSFET shows a specific on-resistance of 204 mΩ cm2 at 25 °C, which increased to 570 mΩ cm2 at 150 °C. The 15 kV 4H-SiC MOSFET provides low, temperature-independent, switching losses which makes the device more attractive for applications that require higher switching frequencies. The 15 kV 4H-SiC n-IGBT shows a significantly lower forward voltage drop (VF), along with reasonable switching performance, which make it a very attractive device for high voltage applications with lower switching frequency requirements. An electrothermal analysis showed that the 15 kV 4H-SiC n-IGBT outperforms the 15 kV 4H-SiC MOSFET for applications with switching frequencies of less than 5 kHz. It was also shown that the use of a carrier storage layer (CSL) can significantly improve the conduction performance of the 15 kV 4H-SiC n-IGBTs.

  17. Building the Interest of High School Students for Science--A PACT Ambassador Program to Investigate Soap Manufacturing and Industrial Chemistry.

    ERIC Educational Resources Information Center

    Lynch, Matthew; Geary, Nicholas; Hagaman, Karen; Munson, Anne; Sabo, Mark

    1999-01-01

    Describes a program for bringing industrial applications of technology into high schools to enhance students' perceptions of the chemical industry and industrial careers in chemistry. Ambassadors from the Proctor and Gamble Company and Miami University--Middletown helped students work through a typical product-development cycle for fabricating…

  18. Wiggles and Wags: Dog 1--Fun Activities for You and Your Dog. 4-H Skills for Life Animal Series. National 4-H Curriculum. BU-08166

    ERIC Educational Resources Information Center

    National 4-H Council, 2005

    2005-01-01

    These guides are activity guides. Several fact-filled books about dogs are listed as resources on this guide. The activities are active, hands-on, and engaging and are guided by the 4-H motto: Learning by Doing. As youth explore a dog project topic of interest to them, they also practice essential life skills. Although a few dog project youth will…

  19. Twenty-first century learning after school: the case of 4-H.

    PubMed

    Kress, Cathann

    2006-01-01

    Founded in the early 1900s, the 4-H Youth Development program can serve as a model for out-of-school programs of the twenty-first century. The 4-H pledge, repeated by its members--over 7 million, ranging in age from five to twenty--articulates its core values: "I pledge: My head to clearer thinking, My heart to greater loyalty, My hands to larger service, and My health to better living for my club, my community, my country, and my world." The 4-H Development movement was created to provide opportunities for rural children, to help them become constructive adults. Through an emphasis on "learning by doing," 4-H teaches children the habits of lifelong learning. Historically, 4-H has tapped into university-level advancements, extending such knowledge to youth and thereby giving them early access to scientific discoveries and technological progress. Members apply this learning in their communities through hands-on projects crossing a wide-range of pertinent topics. Research shows that 4-H members are more successful in school than other children and develop a wide range of skills essential in the twenty-first century. Thus, the author makes the case that the foundation of 4-H is exceptionally relevant in today's complex world, perhaps even more so than a century ago. 4-H is a leader in youth development, making it a natural model for twenty-first century after-school programs. Expanding on the 4-H pledge, the author outlines the principles a successful youth development program would have: an emphasis on leadership skills, a feeling of connection and belonging, a forum for exploring career opportunities, and a component of meaningful community service.

  20. HIF-P4H-2 deficiency protects against skeletal muscle ischemia-reperfusion injury.

    PubMed

    Karsikas, Sara; Myllymäki, Mikko; Heikkilä, Minna; Sormunen, Raija; Kivirikko, Kari I; Myllyharju, Johanna; Serpi, Raisa; Koivunen, Peppi

    2016-03-01

    We show here that mice hypomorphic for hypoxia-inducible factor prolyl 4-hydroxylase-2 (HIF-P4H-2) (Hif-p4h-2 (gt/gt)), the main regulator of the stability of the HIFα subunits, have normoxic stabilization of HIF-1α and HIF-2α in their skeletal muscles. The size of the capillaries, but not their number, was increased in the skeletal muscles of the Hif-p4h-2 (gt/gt) mice, whereas the amount of glycogen was reduced. The expression levels of genes for glycolytic enzymes, glycogen branching enzyme 1 and monocarboxylate transporter 4, were increased in the Hif-p4h-2 (gt/gt) skeletal muscles, whereas no significant increases were detected in the levels of any vasculature-influencing factor studied. Serum lactate levels of the Hif-p4h-2 (gt/gt) mice recovered faster than those of the wild type following exercise. The Hif-p4h-2 (gt/gt) mice had elevated hepatic phosphoenolpyruvate carboxykinase activity, which may have contributed to the faster clearance of lactate. The Hif-p4h-2 (gt/gt) mice had smaller infarct size following limb ischemia-reperfusion injury. The increased capillary size correlated with the reduced infarct size. Following ischemia-reperfusion, glycogen content and ATP/ADP and CrP/Cr levels of the skeletal muscle of the Hif-p4h-2 (gt/gt) mice were higher than in the wild type. The higher glycogen content correlated with increased expression of phosphofructokinase messenger RNA (mRNA) and the increased ATP/ADP and CrP/Cr levels with reduced apoptosis, suggesting that HIF-P4H-2 deficiency supported energy metabolism during ischemia-reperfusion and protection against injury. Key messages: HIF-P4H-2 deficiency protects skeletal muscle from ischemia-reperfusion injury. The mechanisms involved are mediated via normoxic HIF-1α and HIF-2α stabilization. HIF-P4H-2 deficiency increases capillary size but not number. HIF-P4H-2 deficiency maintains energy metabolism during ischemia-reperfusion.

  1. Al4H7(-) is a resilient building block for aluminum hydrogen cluster materials.

    PubMed

    Roach, P J; Reber, A C; Woodward, W H; Khanna, S N; Castleman, A W

    2007-09-11

    The formation and oxygen etching of Al(n)H(m)(-) clusters are characterized in a flow reactor experiment with first-principles theoretical investigations to demonstrate the exceptional stability of Al(4)H(7)(-). The origin of the preponderance of Al(4)H(7)(-) in the mass spectra of hydrogenated aluminum anions and its resistance to O(2) etching are discussed. Al(4)H(7)(-) is shown to have the ability to bond with ionic partners to form stable hydrides through addition of an alkali atom [XAl(4)H(7) (X = Li-Cs)]. An intuitive model that can predict the existence of stable hydrogenated cluster species is proposed. The potential synthetic utility of the superatom assemblies built on these units is addressed.

  2. Prismatic Slip in PVT-Grown 4H-SiC Crystals

    NASA Astrophysics Data System (ADS)

    Guo, Jianqiu; Yang, Yu; Raghothamachar, Balaji; Kim, Jungyu; Dudley, Michael; Chung, Gilyong; Sanchez, Edward; Quast, Jeffrey; Manning, Ian

    2017-04-01

    Basal plane slip is the most frequently observed deformation mechanism in 4H-type silicon carbon (4H-SiC) single crystals grown by the physical vapor transport (PVT) method. However, it was recently reported that dislocations in such crystals can also glide in prismatic slip systems. In this study, we observed nonuniform distributions of three sets of prismatic dislocations in a commercial 4H-SiC substrate wafer. The nonuniformity is a result of the distribution of resolved shear stress on each prismatic slip system caused by radial thermal gradients in the growing crystal boule. A radial thermal model has been developed to estimate the thermal stress across the entire area of the crystal boule during PVT growth. The model results show excellent agreement with the observations, confirming that radial thermal gradients play a key role in activating prismatic slip in 4H-SiC during bulk growth.

  3. Prismatic Slip in PVT-Grown 4H-SiC Crystals

    NASA Astrophysics Data System (ADS)

    Guo, Jianqiu; Yang, Yu; Raghothamachar, Balaji; Kim, Jungyu; Dudley, Michael; Chung, Gilyong; Sanchez, Edward; Quast, Jeffrey; Manning, Ian

    2016-11-01

    Basal plane slip is the most frequently observed deformation mechanism in 4H-type silicon carbon (4H-SiC) single crystals grown by the physical vapor transport (PVT) method. However, it was recently reported that dislocations in such crystals can also glide in prismatic slip systems. In this study, we observed nonuniform distributions of three sets of prismatic dislocations in a commercial 4H-SiC substrate wafer. The nonuniformity is a result of the distribution of resolved shear stress on each prismatic slip system caused by radial thermal gradients in the growing crystal boule. A radial thermal model has been developed to estimate the thermal stress across the entire area of the crystal boule during PVT growth. The model results show excellent agreement with the observations, confirming that radial thermal gradients play a key role in activating prismatic slip in 4H-SiC during bulk growth.

  4. Enantioselective one-pot synthesis of 2-amino-4-(indol-3-yl)-4H-chromenes.

    PubMed

    Chen, Weiliang; Cai, Yunfei; Fu, Xuan; Liu, Xiaohua; Lin, Lili; Feng, Xiaoming

    2011-09-16

    An enantioselective one-pot synthesis of 2-amino-4-(indol-3-yl)-4H-chromenes via a Knoevenagel/Pinner/Friedel-Crafts reaction of salicylaldehyde, malononitrile, and indole is presented. Moderate to good yields (up to 89%) and high enantioselectivities (up to 90% ee) were obtained with an N,N'-dioxide-Zn(II) complex as the catalyst. This strategy provides an efficient and convenient method to access enantiomerically enriched 2-amino-4H-chromene derivatives.

  5. Phosphorus doping of 4H SiC by liquid immersion excimer laser irradiation

    SciTech Connect

    Ikeda, Akihiro; Nishi, Koji; Ikenoue, Hiroshi; Asano, Tanemasa

    2013-02-04

    Phosphorus doping of 4H SiC is performed by KrF excimer laser irradiation of 4H SiC immersed in phosphoric acid. Phosphorus is incorporated to a depth of a few tens of nanometers at a concentration of over 10{sup 20}/cm{sup 3} without generating significant crystal defects. Formation of a pn junction diode with an ideality factor of 1.06 is demonstrated.

  6. Ferromagnetism in proton irradiated 4H-SiC single crystal

    SciTech Connect

    Zhou, Ren-Wei; Wang, Hua-Jie; Chen, Wei-Bin; Li, Fei; Liu, Xue-Chao Zhuo, Shi-Yi; Shi, Er-Wei

    2015-04-15

    Room-temperature ferromagnetism is observed in proton irradiated 4H-SiC single crystal. An initial increase in proton dose leads to pronounced ferromagnetism, accompanying with obvious increase in vacancy concentration. Further increase in irradiation dose lowers the saturation magnetization with the decrease in total vacancy defects due to the defects recombination. It is found that divacancies are the mainly defects in proton irradiated 4H-SiC and responsible for the observed ferromagnetism.

  7. The development of novel LTA4H modulators to selectively target LTB4 generation

    PubMed Central

    Low, Caroline M.; Akthar, Samia; Patel, Dhiren F.; Löser, Stephan; Wong, Chi-Tung; Jackson, Patricia L.; Blalock, J. Edwin; Hare, Stephen A.; Lloyd, Clare M.; Snelgrove, Robert J.

    2017-01-01

    The pro-inflammatory mediator leukotriene B4 (LTB4) is implicated in the pathologies of an array of diseases and thus represents an attractive therapeutic target. The enzyme leukotriene A4 hydrolase (LTA4H) catalyses the distal step in LTB4 synthesis and hence inhibitors of this enzyme have been actively pursued. Despite potent LTA4H inhibitors entering clinical trials all have failed to show efficacy. We recently identified a secondary anti-inflammatory role for LTA4H in degrading the neutrophil chemoattractant Pro-Gly-Pro (PGP) and rationalized that the failure of conventional LTA4H inhibitors may be that they inadvertently prevented PGP degradation. We demonstrate that these inhibitors do indeed fail to discriminate between the dual activities of LTA4H, and enable PGP accumulation in mice. Accordingly, we have developed novel compounds that potently inhibit LTB4 generation whilst leaving PGP degradation unperturbed. These novel compounds could represent a safer and superior class of LTA4H inhibitors for translation into the clinic. PMID:28303931

  8. Key contribution of eIF4H-mediated translational control in tumor promotion

    PubMed Central

    Vaysse, Charlotte; Philippe, Céline; Martineau, Yvan; Quelen, Cathy; Hieblot, Corinne; Renaud, Claire; Nicaise, Yvan; Desquesnes, Aurore; Pannese, Maria; Filleron, Thomas; Escourrou, Ghislaine; Lawson, Malcolm; Rintoul, Robert C.; Delisle, Marie Bernadette; Pyronnet, Stéphane; Brousset, Pierre; Prats, Hervé; Touriol, Christian

    2015-01-01

    Dysregulated expression of translation initiation factors has been associated with carcinogenesis, but underlying mechanisms remains to be fully understood. Here we show that eIF4H (eukaryotic translation initiation factor 4H), an activator of the RNA helicase eIF4A, is overexpressed in lung carcinomas and predictive of response to chemotherapy. In lung cancer cells, depletion of eIF4H enhances sensitization to chemotherapy, decreases cell migration and inhibits tumor growth in vivo, in association with reduced translation of mRNA encoding cell-proliferation (c-Myc, cyclin D1) angiogenic (FGF-2) and anti-apoptotic factors (CIAP-1, BCL-xL). Conversely, each isoform of eIF4H acts as an oncogene in NIH3T3 cells by stimulating transformation, invasion, tumor growth and resistance to drug-induced apoptosis together with increased translation of IRES-containing or structured 5′UTR mRNAs. These results demonstrate that eIF4H plays a crucial role in translational control and can promote cellular transformation by preferentially regulating the translation of potent growth and survival factor mRNAs, indicating that eIF4H is a promising new molecular target for cancer therapy. PMID:26498689

  9. Synthesis of 4H/fcc Noble Multimetallic Nanoribbons for Electrocatalytic Hydrogen Evolution Reaction.

    PubMed

    Fan, Zhanxi; Luo, Zhimin; Huang, Xiao; Li, Bing; Chen, Ye; Wang, Jie; Hu, Yanling; Zhang, Hua

    2016-02-03

    Noble multimetallic nanomaterials, if only consisting of Au, Ag, Pt, and Pd, typically adopt the high-symmetry face-centered cubic (fcc) structure. Here for the first time, by using the 4H/fcc Au@Ag nanoribbons (NRBs) as seeds, we report the synthesis of 4H/fcc trimetallic Au@PdAg core-shell NRBs via the galvanic reaction method under ambient conditions. Moreover, this strategy can also be used to synthesize 4H/fcc trimetallic Au@PtAg and quatermetallic Au@PtPdAg core-shell NRBs. Impressively, for the first time, these alloy shells, i.e., PdAg, PtAg, and PtPdAg, epitaxially grown on the 4H/fcc Au core with novel 4H hexagonal phase were successfully synthesized. Remarkably, the obtained 4H/fcc Au@PdAg NRBs exhibit excellent electrocatalytic activity toward the hydrogen evolution reaction, which is even quite close to that of the commercial Pt black. We believe that our findings here may provide a novel strategy for the crystal-structure-controlled synthesis of advanced functional noble multimetallic nanomaterials with various promising applications.

  10. The development of novel LTA4H modulators to selectively target LTB4 generation

    NASA Astrophysics Data System (ADS)

    Low, Caroline M.; Akthar, Samia; Patel, Dhiren F.; Löser, Stephan; Wong, Chi-Tung; Jackson, Patricia L.; Blalock, J. Edwin; Hare, Stephen A.; Lloyd, Clare M.; Snelgrove, Robert J.

    2017-03-01

    The pro-inflammatory mediator leukotriene B4 (LTB4) is implicated in the pathologies of an array of diseases and thus represents an attractive therapeutic target. The enzyme leukotriene A4 hydrolase (LTA4H) catalyses the distal step in LTB4 synthesis and hence inhibitors of this enzyme have been actively pursued. Despite potent LTA4H inhibitors entering clinical trials all have failed to show efficacy. We recently identified a secondary anti-inflammatory role for LTA4H in degrading the neutrophil chemoattractant Pro-Gly-Pro (PGP) and rationalized that the failure of conventional LTA4H inhibitors may be that they inadvertently prevented PGP degradation. We demonstrate that these inhibitors do indeed fail to discriminate between the dual activities of LTA4H, and enable PGP accumulation in mice. Accordingly, we have developed novel compounds that potently inhibit LTB4 generation whilst leaving PGP degradation unperturbed. These novel compounds could represent a safer and superior class of LTA4H inhibitors for translation into the clinic.

  11. Predictors of performance in a 4-h mountain-bike race.

    PubMed

    Novak, Andrew R; Bennett, Kyle J M; Fransen, Job; Dascombe, Ben J

    2017-04-13

    This study aimed to cross validate previously developed predictive models of mountain biking performance in a new cohort of mountain bikers during a 4-h event (XC4H). Eight amateur XC4H cyclists completed a multidimensional assessment battery including a power profile assessment that consisted of maximal efforts between 6 and 600 s, maximal hand grip strength assessments, a video-based decision-making test as well as a XC4H race. A multiple linear regression model was found to predict XC4H performance with good accuracy (R(2) = 0.99; P < 0.01). This model consisted of [Formula: see text] relative to total cycling mass (body mass including competition clothing and bicycle mass), maximum power output sustained over 60 s relative to total cycling mass, peak left hand grip strength and two-line decision-making score. Previous models for Olympic distance MTB performance demonstrated merit (R(2) = 0.93; P > 0.05) although subtle changes improved the fit, significance and normal distribution of residuals within the model (R(2) = 0.99; P < 0.01), highlighting differences between the disciplines. The high level of predictive accuracy of the new XC4H model further supports the use of a multidimensional approach in predicting MTB performance. The difference between the new, XC4H and previous Olympic MTB predictive models demonstrates subtle differences in physiological requirements and performance predictors between the two MTB disciplines.

  12. Effect of neutron irradiation on charge collection efficiency in 4H-SiC Schottky diode

    NASA Astrophysics Data System (ADS)

    Wu, Jian; Jiang, Yong; Lei, Jiarong; Fan, Xiaoqiang; Chen, Yu; Li, Meng; Zou, Dehui; Liu, Bo

    2014-01-01

    The charge collection efficiency (CCE) in 4H-SiC Schottky diode is studied as a function of neutron fluence. The 4H-SiC diode was irradiated with fast neutrons of a critical assembly in Nuclear Physics and Chemistry Institute and CCE for 3.5 MeV alpha particles was then measured as a function of the applied reverse bias. It was found from our experiment that an increase of neutron fluence led to a decrease of CCE. In particular, CCE of the diode was less than 1.3% at zero bias after an irradiation at 8.26×1014 n/cm2. A generalized Hecht's equation was employed to analyze CCE in neutron irradiated 4H-SiC diode. The calculations nicely fit the CCE of 4H-SiC diode irradiated at different neutron fluences. According to the calculated results, the extracted electron μτ product (μτ)e and hole μτ product (μτ)h of the irradiated 4H-SiC diode are found to decrease by increasing the neutron fluence.

  13. On the Origin of C4H and CH3OH in Protostellar Envelopes

    NASA Astrophysics Data System (ADS)

    Lindberg, Johan E.; Charnley, Steven B.; Cordiner, Martin A.

    2016-12-01

    The formation pathways of different types of organic molecules in protostellar envelopes and other regions of star formation are subjects of intense current interest. We present here observations of C4H and CH3OH, tracing two distinct groups of interstellar organic molecules, toward 16 protostars in the Ophiuchus and Corona Australis molecular clouds. Together with observations in the literature, we present C4H and CH3OH data from single-dish observations of 40 embedded protostars. We find no correlation between the C4H and CH3OH column densities in this large sample. Based on this lack of correlation, a difference in line profiles between C4H and CH3OH, and previous interferometric observations of similar sources, we propose that the emission from these two molecules is spatially separated, with the CH3OH tracing gas that has been transiently heated to high (˜70-100 K) temperatures and the C4H tracing the cooler large-scale envelope where CH4 molecules have been liberated from ices. These results provide insight in the differentiation between hot corino and warm carbon-chain chemistry in embedded protostars. Based on observations with the Kitt Peak 12 m telescope telescope and the Atacama Pathfinder EXperiment (APEX) telescope. The Kitt Peak 12 m telescope is operated by the Arizona Radio Observatory (ARO), Steward Observatory, University of Arizona. APEX is a collaboration between the Max Planck Institute for Radio Astronomy, the European Southern Observatory, and the Onsala Space Observatory.

  14. CFD Growth of 3C-SiC on 4H/6H Mesas

    NASA Technical Reports Server (NTRS)

    Neudeck, Philip G.; Trunek, Andrew J.; Spry, David J.; Powell, J. Anthony; Du, Hui; Skowronski, Marek; Huang, XianRong; Dudley, Michael

    2006-01-01

    This article describes growth and characterization of the highest quality reproducible 3C-SiC heteroepitaxial films ever reported. By properly nucleating 3C-SiC growth on top of perfectly on-axis (0001) 4H-SiC mesa surfaces completely free of atomic scale steps and extended defects, growth of 3C-SiC mesa heterofilms completely free of extended crystal defects can be achieved. In contrast, nucleation and growth of 3C-SiC mesa heterofilms on top of 4H-SiC mesas with atomic-scale steps always results in numerous observable dislocations threading through the 3C-SiC epilayer. High-resolution X-ray diffraction and transmission electron microscopy measurements indicate non-trivial in-plane lattice mismatch between the 3C and 4H layers. This mismatch is somewhat relieved in the step-free mesa case via misfit dislocations confined to the 3C/4H interfacial region without dislocations threading into the overlying 3C-SiC layer. These results indicate that the presence or absence of steps at the 3C/4H heteroepitaxial interface critically impacts the quality, defect structure, and relaxation mechanisms of single-crystal heteroepitaxial 3C-SiC films.

  15. Synthesis, antifungal activity and docking study of 2-amino-4H-benzochromene-3-carbonitrile derivatives

    NASA Astrophysics Data System (ADS)

    Mirjalili, BiBi Fatemeh; Zamani, Leila; Zomorodian, Kamiar; Khabnadideh, Soghra; Haghighijoo, Zahra; Malakotikhah, Zahra; Ayatollahi Mousavi, Seyyed Amin; Khojasteh, Shaghayegh

    2016-07-01

    Pathogenic fungi are associated with diseases ranging from simple dermatosis to life-threatening infections, particularly in immunocompromised patients. During the past two decades, resistance to established antifungal drugs has increased dramatically and has made it crucial to identify novel antimicrobial compounds. Here, we selected 12 new compounds of 2-amino-4H-benzochromene-3-carbonitrile drivetives (C1-C12) for synthesis by using nano-TiCl4.SiO2 as efficient and green catalyst, then nine of synthetic compounds were evaluated against different species of fungi, positive gram and negative gram of bacteria. Standard and clinical strains of antibiotics sensitive and resistant fungi and bacteria were cultured in appropriate media. Biological activity of the 2-amino-4H-benzochromene-3-carbonitrile derivatives against fungi and bacteries were estimated by the broth micro-dilution method as recommended by clinical and laboratory standard institute (CLSI). In addition minimal fangicidal and bactericial concenteration of the compounds were also determined. Considering our results showed that compound 2-amino-4-(4-methyl benzoate)-4H-benzo[f]chromen-3-carbonitrile (C9) had the most antifungal activity against Aspergillus clavatus, Candida glabarata, Candida dubliniensis, Candida albicans and Candida tropicalis at concentrations ranging from 8 to ≤128 μg/mL. Also compounds 2-amino-4-(3,4-dimethoxyphenyl)-4H-benzo[f]chromen-3-carbonitrile (C4) and 2-amino-4-(4-isopropylphenyl)-4H-benzo[f]chromen-3-carbonitrile (C3) had significant inhibitory activities against Epidermophyton floccosum following 2-amino-4-(4-methylbenzoate)-4H-benzo[f]chromen-3-carbonitrile (C9), respectively. Docking simulation was performed to insert compounds C3, C4 and C9 in to CYP51 active site to determine the probable binding model.

  16. Adult volunteerism in Pennsylvania 4-H natural resources programs for youth

    NASA Astrophysics Data System (ADS)

    Smith, Sanford Sherrick

    2001-07-01

    Pennsylvania's 4-H Youth Development Program relies on adult volunteers to reach youth with educational information and opportunities. Finding adults willing to do this volunteer work is challenging. This study looks at the current status of adult volunteerism with natural resources 4-H projects, and seeks to understand potential volunteers. The literature has much to offer in regards to general volunteer trends, management, motivations, and task preferences; however, few studies focus on volunteers in natural resources or environmental education. A telephone survey conducted with county 4-H agents revealed that only 3.2% of Pennsylvania's 4-H volunteers work with natural resources projects in 56 out of 67 counties, and that very few volunteers have any formal background in natural resources. Semi-structured interviews with 41 adult volunteers currently working with natural resources projects explored volunteer demographics, history, program design preferences, and ideas for seeking more volunteers. Findings from the telephone survey and the semi-structured interviews were used to generate a mail survey with large, random samples from three population groups: (1) 4-H Volunteers, (2) 4-H Parents, and (3) Natural Resources Professionals. Confidence with youth and subject matter, and adult willingness to volunteer was explored for each of the groups in relation to background, demographic characteristics, motivational needs, past and present volunteer activity, personal interests, and program design importance. Natural resources subject matter confidence was shown to be the most significant variable determining willingness to volunteer for all three groups. The variables that contributed to subject matter and youth confidence varied for each population. Key variables effecting willingness to volunteer included outdoor activity level, personal interest in natural resources, the need to fulfill feelings of social responsibility, and confidence with youth. Program design

  17. Comparative urban Bangladesh physics learning experiences as described by students and alumni

    NASA Astrophysics Data System (ADS)

    Ali, Tanzeem Iqbal

    A neo-culture of extra-curricular coaching prior to sitting the terminal exam was once the privileged domain of public education systems in the Eastern world, but this is no longer the case. This multi-phase study based on a grounded theory approach considered a diversity of physics learning experiences of students and alumni from two urban private schools, an extra-curricular coaching center and a private tutor in a developing South-Asian country. There are various types of tutoring available for students in South Asia as listed by their main characteristics (deCastro and deGuzman, 2012). First 'lean on' is for low achieving slow learners providing hidden remedial activities by school teachers and are usually unregulated. Second, 'pass on' is for students with busy parents, or those lacking assistance with school work. This second type of tutoring provides supplementary activities by school teachers as well as small-scale institutions regulated as a business and an academic entity. Third, 'ride on' is for both high and low achieving students whose parents can afford tutorial fees. This type of tutoring provides structured, remedial and enrichment activities by multinational institutions, experts in the field and university students and are regulated as a business and academic entity. The participants ranged in age from 14 years to 28 years. Phase 1 of the study consisted of a pilot study with online participants who were recent alumni who had taken their formal Physics exit exams quite recently. Clinical interviews and moderated focus group discussions identified nine emerging themes: (i) negative feelings about current education system, (ii) mixed views on coaching outside and beyond school, (iii) negative attitudes about being an O and A level student in urban Bangladesh, (iv) truth about article by (Imam, 2010), (v) negative views on society's influence and local culture about education in Bangladesh, (v) mixed views on extra-curricular activities and physical

  18. Cathodoluminescence Study of the Properties of Stacking Faults in 4H-SiC Homoepitaxial Layers

    DTIC Science & Technology

    2009-01-01

    Cathodoluminescence study of the properties of stacking faults in 4H- SiC homoepitaxial layers Serguei I. Maximenko,1,a Jaime A. Freitas, Jr.,1 Paul...2009 In-grown stacking faults in n-type 4H- SiC epitaxial layers have been investigated by real-color cathodoluminescence imaging and spectroscopy...carried out at room and liquid helium temperatures. Stacking faults with 8H stacking order were observed, as well as double layer and multilayer 3C- SiC

  19. Transition metal swift heavy ion implantation on 4H-SiC

    NASA Astrophysics Data System (ADS)

    Ali, A. Ashraf; Kumar, J.; Ramakrishnan, V.; Asokan, K.

    2016-03-01

    This work reports on the realization of Quantum Ring (QR) and Quantum Dot (QD) like structures on 4H-SiC through SHI implantation and on their Raman studies. 4H-SiC is SHI implanted with Transition Metal (TM) Ni ion at different fluences. It is observed that a vibrational mode emerges as the result of Ni ion implantation. The E2 (TO) and the A1 (LO) are suppressed as the fluence increases. In this paper Raman and AFM studies have been performed at room temperature and the queer anomalies are addressed so new devices can be fabricated.

  20. Electrical properties of extended defects in 4H-SiC investigated by photoinduced current measurements

    NASA Astrophysics Data System (ADS)

    Privitera, Stefania M. S.; Litrico, Grazia; Camarda, Massimo; Piluso, Nicolò; La Via, Francesco

    2017-03-01

    We study the correlation between crystal quality and electrical transport in 4H-SiC by micro-photoluminescence and laser-beam-induced photocurrent measurements. A focused HeCd laser at 325 nm has been employed to simultaneously measure, with a spatial resolution of a few microns, both the photoluminescence and current–voltage characteristics of 4H-SiC Schottky diodes. We found that the laser-induced photocurrent acquired along a defect can give information on its spatial distribution in depth and that the local minority carrier lifetime and generation depend on the type of stacking fault, both decreasing for defects with deeper intragap levels.

  1. Astronomy in Chile Education Ambassadors Program' Gives On-site Experience to Build Knowledge and Enhance Impact: Success of Inaugural Class and Plans for the Future

    NASA Astrophysics Data System (ADS)

    Blue, Charles E.; Spuck, Timothy; ACEAP 2015 Team

    2016-01-01

    A collation of leading U.S. astronomy organizations and observatories selected its first class of educators who traveled to Chile in June/July 2015 as part of the Astronomy in Chile Educator Ambassadors Program (ACEAP). Chosen from a pool of more than 50 applicants, this inaugural group of nine amateur astronomers, planetarium personnel, and astronomy educators toured the major U.S.-funded astronomy facilities in Chile. While there, each ACEAP Ambassador received an in-depth, behind-the-scenes learning experience on the instruments, science, and research coming out of some of the world's most productive and advanced astronomy observatories. In addition, participants learned essential communication skills to help share these exciting experiences with others. Participants also experienced Chilean culture and society, as well as the astrotourism industry that has emerged in Chile.The ultimate goal of this program is to have each ambassador share their experiences as broadly as possible with students and the public across the United States.A first report of the program's inaugural year will be presented as well as the long-term impacts that have already emerged and are in development.

  2. Maine 4-H Afterschool Academy--A Professional Development Opportunity for Out-of-School-Time Providers

    ERIC Educational Resources Information Center

    Lobley, Jennifer; Ouellette, Kristy L.

    2013-01-01

    The Maine 4-H Afterschool Academy trained 369 after-school and out of school time providers in 2011. This easy-to-adapt professional development opportunity used blended learning, a combination of in-person and Web-based opportunities. Providers successfully learned concepts and practical knowledge regarding 4-H, specifically 4-H Science. In…

  3. 4-H Tractor Operator Program Teaches Employability Skills and Safety to Youth

    ERIC Educational Resources Information Center

    Barrett, Debra K.

    2013-01-01

    For Michigan State University Extension, the Berrien County 4-H Tractor Operator Program has provided tractor safety education to teens for over 30 years. The certification training satisfies current requirements for operation of a 20 PTO HP or greater agricultural tractor by 14- and 15-year-old youth employed on property "not" owned,…

  4. Possession, Transportation, and Use of Firearms by Older Youth in 4-H Shooting Sports Programs

    ERIC Educational Resources Information Center

    White, David J.; Williver, S. Todd

    2014-01-01

    Thirty years ago we would think nothing of driving to school with a jackknife in our pocket or rifle in the gun rack. Since then, the practices of possessing, transporting, and using firearms have been limited by laws, rules, and public perception. Despite restrictions on youth, the Youth Handgun Safety Act does afford 4-H shooting sports members…

  5. An Evaluation of the 4-H "Health Rocks" Program: Implications for Program Improvement

    ERIC Educational Resources Information Center

    Self, Carlton; Morgan, A. Christian; Fuhrman, Nicholas E.; Navarro, Maria

    2013-01-01

    The National 4-H Council developed the Health Rocks substance abuse educational program to prevent youth from engaging in risky behaviors. The program was presented in 2010 to more than 8,000 middle school youth in Georgia. A post-then-pre evaluation was conducted with youth who completed 10 hours of instruction to determine if changes in youth…

  6. Promoting the Essential Elements of 4-H Youth Development through an Experiential Learning Model

    ERIC Educational Resources Information Center

    Meyer, Shelley; Jones, Kenneth R.

    2015-01-01

    The purpose of the project reported here was to apply Experiential Learning Theory to a context involving middle and high school aged youth while assessing the four concepts (belonging, mastery, independence, and generosity) in relation to the 4-H youth development essential elements. The conclusions of the project's evaluation suggest…

  7. A Beach and Dune Community. 4-H Marine Science. Member's Guide. Activity I. MSp 1.

    ERIC Educational Resources Information Center

    Auburn Univ., AL. Cooperative Extension Service.

    The investigation in this booklet is designed to provide 4-H members with opportunities to identify common plants and animals found on beaches and sand dunes and to determine the role of the plants and animals in this community. Learners are provided with a picture of a hypothetical beach and sand dune and a list of organisms (included in the…

  8. Factors Related to Motivating Adult Somalis with Refugee Status to Volunteer for 4-H

    ERIC Educational Resources Information Center

    Mason, Mitchell D.; Ouellette, Kristy L.

    2016-01-01

    Focus group interviews were held with adult Somali immigrants to assess their likelihood of volunteering for 4-H in Maine. This qualitative study was undertaken to identify best practices for engaging the growing Somali-Mainer population as a volunteer base. Results of the study demonstrate that Somali immigrant adults are willing to volunteer for…

  9. A novel synthesis of 4H-chromen-4-ones via intramolecular wittig reaction

    PubMed

    Kumar; Bodas

    2000-11-30

    The acylphosphoranes formed in a sequential manner from the reaction of the silyl ester of O-acyl(aroyl)salicylic acids and (trimethylsilyl)methylenetriphenylphosphorane undergo intramolecular Wittig cyclization on the ester carbonyl to afford the 4H-chromen-4-ones in good to excellent yields.

  10. 4-H Horticulture Project Activity Guides. Leader's Guide and Units 1-3.

    ERIC Educational Resources Information Center

    Illinois Univ., Urbana. Cooperative Extension Service.

    This document, concerning the 4-H horticulture project, includes a leader's guide and three youth activity guides. The leader's guide can be used to plan group project meetings that are both fun and educational. Activities can be adapted to various age groups. The leader's guide includes basic information for growing plants indoors and outdoors,…

  11. Bio-Security Proficiencies Project for Beginning Producers in 4-H

    ERIC Educational Resources Information Center

    Smith, Martin H.; Meehan, Cheryl L.; Borba, John A.

    2014-01-01

    Improving bio-security practices among 4-H members who raise and show project animals is important. Bio-security measures can reduce the risk of disease spread and mitigate potential health and economic risks of disease outbreaks involving animal and zoonotic pathogens. Survey data provided statistical evidence that the Bio-Security Proficiencies…

  12. N-[4-(Dimethyl-amino)-benzyl-idene]-4H-1,2,4-triazol-4-amine.

    PubMed

    Zhou, Hui-Liang; Zhang, Xiao-Min

    2012-05-01

    The title compound, C(11)H(13)N(5), is a Schiff base synthesized by the reaction of 4-amino-4H-1,2,4-triazole and 4-(dimethyl-amino)-benzaldehyde. The dihedral angle between the benzene and triazole rings is 43.09 (11)°. The crystal structure displays weak C-H⋯N inter-actions.

  13. Temperature Dependence of Attenuation of Coplanar Waveguide on 4H High Resistivity SIC Through 540C

    NASA Technical Reports Server (NTRS)

    Ponchak, G. E.; Schwartz, Z.; Alterovitz, S. A.; Downey, A. N.; Freeman, J. C.

    2003-01-01

    For the first time, the temperature and frequency dependence of the attenuation of a Coplanar Waveguide (CPW) on 4H, High Resistivity Sic substrate is reported. The low frequency attenuation increases by 2 dB/cm at 500 C and the high frequency attenuation increases by 3.3 dB/cm at 500 C compared to room temperature.

  14. 4-H Chickquest: Connecting Agri-Science with STEM Standards in Urban Schools

    ERIC Educational Resources Information Center

    Horton, Robert L.; Krieger, Jackie; Halasa, Katrina

    2013-01-01

    While young students are more capable of scientific inquiry than previously believed, elementary school teachers are often inexperienced in and lack confidence with teaching science. ChickQuest is a 4-H-created embryology curriculum for third-graders that meets Ohio state science standards, teaches STEM skills, and promotes ongoing interaction…

  15. Children and their 4-H animal projects: How children use science in agricultural activity

    NASA Astrophysics Data System (ADS)

    Emo, Kenneth Roy

    Many children are introduced to science through informal educational programs. 4-H, an educational youth program, has a history of introducing scientific practices into agriculture. The purpose of this ethnographically-driven case study is to examine how science informs the actions of children raising market animals in a 4-H project. For two years the researcher collected data on 4-H children with market animal projects. Observations, interviews, and artifacts gathered are interpreted using the framework of activity theory. This study provides evidence for how the context of an activity system influences individual actions. Rules developed by the organization guide the actions of children to incorporate physical and psychological tools of science into their project to achieve the object: producing animals of proper weight and quality to be competitive in the county fair. Children learn the necessary actions from a community of practitioners through which expertise is distributed. Children's learning is demonstrated by the way their participation in their project changes with time, from receiving assistance from others to developing expertise in which they provide assistance to others. The strength of this educational experience is how children apply specific tools of science in ways that provide meaning and relevancy to their 4-H activity.

  16. Diastereoselectivity in prebiotically relevant 5(4H)-oxazolone-mediated peptide couplings.

    PubMed

    Beaufils, Damien; Danger, Grégoire; Boiteau, Laurent; Rossi, Jean-Christophe; Pascal, Robert

    2014-03-21

    A stereochemical study of a potentially prebiotic peptide-forming reaction was carried out as the first part of a systems chemistry investigation of potential paths for symmetry breaking. Substantial diastereomeric excesses result from a fast epimerization of the 5(4H)-oxazolone intermediate in aqueous solution.

  17. Community Pride: An Oregon 4-H Activity Relating to Beautification and Conservation.

    ERIC Educational Resources Information Center

    Oregon State Univ., Corvallis. Cooperative Extension Service.

    The Community Pride program is a 4-H activity in conservation and beautification. Instructions for selecting and carrying out a Community Pride activity are presented: planning, organizing, and doing the project. Suggestions for possible activities are offered, and instructions for reporting the activity to the county extension office are given.…

  18. 4-H Shooting Sports Hits the Mark with Youth-at-Risk.

    ERIC Educational Resources Information Center

    Sabo, Kenneth E.; Hamilton, Wendy V.

    1997-01-01

    A 4-H program in a public housing project in New Mexico involved at-risk youth in activities such as archery and other shooting sports. These activities were found to promote motivation, cognitive development, self-esteem, and responsibility. (SK)

  19. Formation of low-temperature cirrus from H2SO4/H2O aerosol droplets.

    PubMed

    Bogdan, A; Molina, M J; Sassen, K; Kulmala, M

    2006-11-23

    We present experimental results obtained with a differential scanning calorimeter (DSC) that indicate the small ice particles in low-temperature cirrus clouds are not completely solid but rather coated with an unfrozen H2SO4/H2O overlayer. Our results provide a new look on the formation, development, and microphysical properties of low-temperature cirrus clouds.

  20. Pennsylvania Youth in Action: 4-H Community Development. Adult Leader's Guide.

    ERIC Educational Resources Information Center

    Pennsylvania State Univ., University Park. Dept. of Agricultural and Extension Education.

    Designed to assist leaders in their roles as catalysts, advisors, and resource persons for the Pennsylvania Youth in Action 4-H Community Development program, the guide provides complementary educational, craft, and recreation suggestions to enhance student workbooks for three community development activity units. The first section focuses on the…

  1. Louisiana 4-H Seeds of Service School Gardens: A Descriptive View

    ERIC Educational Resources Information Center

    Cater, Melissa; Fox, Janet; Fletcher, Bobby Jr.

    2012-01-01

    Louisiana 4-H Seeds of Service School Gardens, a K-12 Learn and Serve Grant program, provides a descriptive view of how school gardens along with classroom instruction link curriculum to outdoor classrooms. The purpose of the process evaluation was to describe curriculum implementation fidelity, reach of the gardening program to participants, use…

  2. A Historical Review of Leadership Development in the FFA and 4-H

    ERIC Educational Resources Information Center

    Hoover, Tracy S.; Scholl, Jan F.; Dunigan, Anne H.; Mamontova, Nadezhda

    2007-01-01

    FFA and 4-H are two youth-based organizations that cite leadership development as a key foundational component. The purpose of this study was to review and document the historical development of leadership events and activities in both programs. Evidence can be found of leadership development in schools, conferences, and camps. Leadership-related…

  3. Bufexamac ameliorates LPS-induced acute lung injury in mice by targeting LTA4H

    PubMed Central

    Xiao, Qiang; Dong, Ningning; Yao, Xue; Wu, Dang; Lu, Yanli; Mao, Fei; Zhu, Jin; Li, Jian; Huang, Jin; Chen, Aifang; Huang, Lu; Wang, Xuehai; Yang, Guangxiao; He, Guangyuan; Xu, Yong; Lu, Weiqiang

    2016-01-01

    Neutrophils play an important role in the occurrence and development of acute lung injury (ALI). Leukotriene B4 (LTB4), a hydrolysis product of epoxide leukotriene A4 (LTA4) catalyzed by LTA4 hydrolase (LTA4H), is one of the most potent chemoattractants for neutrophil. Bufexamac is a drug widely used as an anti-inflammatory agent on the skin, however, the mechanism of action is still not fully understood. In this study, we found bufexamac was capable of specifically inhibiting LTA4H enzymatic activity and revealed the mode of interaction of bufexamac and LTA4H using X-ray crystallography. Moreover, bufexamac significantly prevented the production of LTB4 in neutrophil and inhibited the fMLP-induced neutrophil migration through inhibition of LTA4H. Finally, bufexamac significantly attenuated lung inflammation as reflected by reduced LTB4 levels and weakened neutrophil infiltration in bronchoalveolar lavage fluid from a lipopolysaccharide-induced ALI mouse model. In summary, our study indicates that bufexamac acts as an inhibitor of LTB4 biosynthesis and may have potential clinical applications for the treatment of ALI. PMID:27126280

  4. An Occupational Analysis Comparing 4-H Youth Development Agents Serving Traditional and Non-Traditional Clientele.

    ERIC Educational Resources Information Center

    Borden, Lynne M.; Harris, William

    1998-01-01

    Six 4-H agents working with traditional clients and six with nontraditional clients participated in a DACUM (Developing a Curriculum) analysis of job tasks. They performed similar duties but the nontraditional group spent more time assessing individual members; the traditional group focused more on program management. (SK)

  5. Participant Comfort with and Application of Inquiry-Based Learning: Results from 4-H Volunteer Training

    ERIC Educational Resources Information Center

    Haugen, Heidi; Stevenson, Anne; Meyer, Rebecca L.

    2016-01-01

    This article explores how a one-time training designed to support learning transfer affected 4-H volunteers' comfort levels with the training content and how comfort levels, in turn, affected the volunteers' application of tools and techniques learned during the training. Results of a follow-up survey suggest that the training participants…

  6. A Partnership Model for Training Episodic Environmental Stewardship 4-H Volunteers

    ERIC Educational Resources Information Center

    Young, Jane Chin; Alexander, Janice; Smith, Martin H.

    2013-01-01

    The Marin Environmental Stewardship pilot project demonstrates the potential for a partnership model that brings together external and internal collaborators to recruit and train episodic 4-H volunteers to meet environmental education needs within a community. The clientele served by the volunteers trained through the project was at-risk, urban…

  7. Performance statistics of the FORTRAN 4 /H/ library for the IBM system/360

    NASA Technical Reports Server (NTRS)

    Clark, N. A.; Cody, W. J., Jr.; Hillstrom, K. E.; Thieleker, E. A.

    1969-01-01

    Test procedures and results for accuracy and timing tests of the basic IBM 360/50 FORTRAN 4 /H/ subroutine library are reported. The testing was undertaken to verify performance capability and as a prelude to providing some replacement routines of improved performance.

  8. National Invitational Training Conference on Working with Youth with Special Needs Through 4-H.

    ERIC Educational Resources Information Center

    Worden, Phyllis, Comp.

    A conference set up to exchange and disseminate ideas and information on the mentally retarded is presented. Specific purposes of the conference are: (1) to promote appreciation and understanding of handicapped youth--mentally retarded, and physically and visually handicapped youth, (2) to promote knowledge of on-going programs through 4-H with…

  9. The Big E (Energy). 4-H Leader's Guide [for Unit 1].

    ERIC Educational Resources Information Center

    Caldwell, William; And Others

    This guide is designed for leaders of the Nebraska 4-H Energy Project. The goals of the project are to: (1) help young people understand energy problems related to life styles; (2) use energy resources carefully; (3) guide members in choosing their own energy alternatives; and (4) enjoy together the challenges and creativity of finding energy…

  10. The Big E (Energy). 4-H Leader's Guide for Units 2 & 3.

    ERIC Educational Resources Information Center

    Caldwell, William; And Others

    This leader's guide is designed for units 2 and 3 of the Nebraska 4-H Energy Project. The goals of the project are to: (1) help young people understand energy problems related to life styles; (2) use energy resources carefully; (3) guide members in choosing their own energy alternatives; and (4) to enjoy together the challenges and creativity of…

  11. Diffusion of Social Media among County 4-H Programs in Tennessee

    ERIC Educational Resources Information Center

    Bowen, Rebekah D.; Stephens, Carrie A.; Childers, Courtney C.; Avery, Elizabeth J.; Stripling, Christopher T.

    2013-01-01

    Over the past decade, Cooperative Extension and 4-H professionals have been faced with the decision of whether to adopt new communication technologies such as social media. Research on social media and Cooperative Extension has identified risks and barriers to adoption; however, many Cooperative Extension professionals believe that social media…

  12. Experimental Durability Testing of 4H SiC JFET Integrated Circuit Technology at 727 C

    NASA Technical Reports Server (NTRS)

    Spry, David; Neudeck, Phil; Chen, Liangyu; Chang, Carl; Lukco, Dorothy; Beheim, Glenn M

    2016-01-01

    We have reported SiC integrated circuits (IC's) with two levels of metal interconnect that have demonstrated prolonged operation for thousands of hours at their intended peak ambient operational temperature of 500 C [1, 2]. However, it is recognized that testing of semiconductor microelectronics at temperatures above their designed operating envelope is vital to qualification. Towards this end, we previously reported operation of a 4H-SiC JFET IC ring oscillator on an initial fast thermal ramp test through 727 C [3]. However, this thermal ramp was not ended until a peak temperature of 880 C (well beyond failure) was attained. Further experiments are necessary to better understand failure mechanisms and upper temperature limit of this extreme-temperature capable 4H-SiC IC technology. Here we report on additional experimental testing of custom-packaged 4H-SiC JFET IC devices at temperatures above 500 C. In one test, the temperature was ramped and then held at 727 C, and the devices were periodically measured until electrical failure was observed. A 4H-SiC JFET on this chip electrically functioned with little change for around 25 hours at 727 C before rapid increases in device resistance caused failure. In a second test, devices from our next generation 4H-SiC JFET ICs were ramped up and then held at 700 C (which is below the maximum deposition temperature of the dielectrics). Three ring oscillators functioned for 8 hours at this temperature before degradation. In a third experiment, an alternative die attach of gold paste and package lid was used, and logic circuit operation was demonstrated for 143.5 hours at 700 C.

  13. High efficiency 4H-SiC betavoltaic power sources using tritium radioisotopes

    SciTech Connect

    Thomas, Christopher; Portnoff, Samuel; Spencer, M. G.

    2016-01-04

    Realization of an 18.6% efficient 4H-silicon carbide (4H-SiC) large area betavoltaic power source using the radioisotope tritium is reported. A 200 nm 4H-SiC P{sup +}N junction is used to collect high-energy electrons. The electron source is a titanium tritide (TiH{sup 3}{sub x}) foil, or an integrated titanium tritide region formed by the diffusion of tritium into titanium. The specific activity of the source is directly measured. Dark current measured under short circuit conditions was less than 6.1 pA/cm{sup 2}. Samples measured with an external tritium foil produced an open circuit voltage of 2.09 V, short circuit current of 75.47 nA/cm{sup 2}, fill factor of 0.86, and power efficiency of 18.6%. Samples measured with an integrated source produced power efficiencies of 12%. Simulations were done to determine the beta spectrum (modified by self absorption) exiting the source and the electron hole pair generation function in the 4H-SiC. The electron-hole pair generation function in 4H-SiC was modeled as a Gaussian distribution, and a closed form solution of the continuity equation was used to analyze the cell performance. The effective surface recombination velocity in our samples was found to be 10{sup 5}–10{sup 6 }cm/s. Our analysis demonstrated that the surface recombination dominates the performance of a tritium betavoltaic device but that using a thin P{sup +}N junction structure can mitigate some of the negative effects.

  14. Human pharmacology of 3,4-methylenedioxymethamphetamine (MDMA, ecstasy) after repeated doses taken 4 h apart Human pharmacology of MDMA after repeated doses taken 4 h apart.

    PubMed

    Farré, Magí; Tomillero, Angels; Pérez-Mañá, Clara; Yubero, Samanta; Papaseit, Esther; Roset, Pere-Nolasc; Pujadas, Mitona; Torrens, Marta; Camí, Jordi; de la Torre, Rafael

    2015-10-01

    3,4-Methylenedioxymethamphetamine (MDMA, ecstasy) is a popular psychostimulant, frequently associated with multiple administrations over a short period of time. Repeated administration of MDMA in experimental settings induces tolerance and metabolic inhibition. The aim is to determine the acute pharmacological effects and pharmacokinetics resulting from two consecutive 100mg doses of MDMA separated by 4h. Ten male volunteers participated in a randomized, double-blind, crossover, placebo-controlled trial. The four conditions were placebo plus placebo, placebo plus MDMA, MDMA plus placebo, and MDMA plus MDMA. Outcome variables included pharmacological effects and pharmacokinetic parameters. After a second dose of MDMA, most effects were similar to those after a single dose, despite a doubling of MDMA concentrations (except for systolic blood pressure and reaction time). After repeated MDMA administration, a 2-fold increase was observed in MDMA plasma concentrations. For a simple dose accumulation MDMA and MDA concentrations were higher (+23.1% Cmax and +17.1% AUC for MDMA and +14.2% Cmax and +10.3% AUC for MDA) and HMMA and HMA concentrations lower (-43.3% Cmax and -39.9% AUC for HMMA and -33.2% Cmax and -35.1% AUC for HMA) than expected, probably related to MDMA metabolic autoinhibition. Although MDMA concentrations doubled after the second dose, most pharmacological effects were similar or slightly higher in comparison to the single administration, except for systolic blood pressure and reaction time which were greater than predicted. The pharmacokinetic-effects relationship suggests that when MDMA is administered at a 4h interval there exists a phenomenon of acute tolerance to its effects.

  15. Development and alumni assessment of an interdisciplinary PhD program offered through a blended learning environment.

    PubMed

    Goldberg, Debora Goetz; Clement, Dolores G; Cotter, J James

    2011-01-01

    There is a growing need for doctoral-prepared allied health professionals in health care practice, research, and teaching. This paper describes the development and evolution of the PhD Program in Health Related Sciences at Virginia Commonwealth University, which was designed to meet the demand for flexible learning environments by working allied health professionals. The program, now on its 14th year, offers interdisciplinary education in allied health fields through a blended learning environment that includes online and on-site education. An alumni assessment of the program was conducted in 2006 and 2008 to understand how well the program trained its graduates and how well the program responded to the needs of students. Six primary areas were reviewed: 1) extent to which program goals were achieved, 2) general skills and knowledge development for the student, 3) adequacy of the advising function of the program, 4) specific skill development for the student, 5) adequacy of instructional technology, and 6) impressions of the overall program. Findings from the alumni assessment led to changes in curriculum, enhanced use of distance education teaching, additional instructor training on distance-based multimedia technologies, and enhanced student-faculty interaction. Assessment of this program identified key areas, such as technology support, student-student interaction, and student-instructor interaction, which should be emphasized in the development or redesign of allied health educational programs offered in blended learning formats.

  16. Advancing Gallaudet: Alumni Support for the Nation's University for the Deaf and Hard-of-Hearing and Its Similarities to Black Colleges and Universities

    ERIC Educational Resources Information Center

    Drezner, Noah D.

    2005-01-01

    Gallaudet University, originally chartered by the US Congress as the Columbia Institute for the Deaf and Dumb and Blind in 1864, recently began to solicit donations from their alumni through formal fund-raising campaigns. Using a combination of historical and qualitative analysis coupled with descriptive statistics from institutional data and the…

  17. Evaluating Curricular Influence on Preparation for Practice, Career Outcomes, and Job Satisfaction: Results from an Alumni Survey of a 40-Year Rehabilitation and Mental Health Counseling Program

    ERIC Educational Resources Information Center

    Smith, Tammy Jorgensen; Reid, Joan A.; Henry, Ryan G.; Dixon, Charlotte G.; Wright, Tennyson J.

    2013-01-01

    Alumni of a Council on Rehabilitation Education (CORE)-accredited graduate rehabilitation counselor education (RCE) program were surveyed to evaluate career outcomes, job satisfaction, licensure and certification rates, client populations served, and RCE program satisfaction and effectiveness. Results indicate a high level of satisfaction with the…

  18. An Exploratory Analysis of the Dimensionality of the Mechanisms That Drive Private Giving among Alumni Association Member Donors and Non-Member Donors

    ERIC Educational Resources Information Center

    Metcalf, Paul

    2013-01-01

    This study operationalized Bekkers and Wiepking's (2007, 2011) eight theoretical mechanisms that drive private giving, examining them within the context of alumni donor behavior at a selected public university in the southern region of the United States. The purpose of the study was to determine if the theoretical mechanisms that drive private…

  19. Reviewing the Pioneering Roles of Gallaudet University Alumni in Advancing Deaf Education and Services in Developing Countries: Insights and Challenges from Nigeria

    ERIC Educational Resources Information Center

    Eleweke, C. Jonah; Agboola, Isaac O.; Guteng, Simon I.

    2015-01-01

    The advancement of deaf education and services in numerous developing countries can be traced to the pioneering efforts of many Gallaudet University alumni. In Africa, for instance, the work of one such great alumnus, Dr. Andrew Foster, stands out. Foster is credited with efforts that resulted in the establishment of over 30 educational…

  20. A new model for in situ nitrogen incorporation into 4H-SiC during epitaxy

    PubMed Central

    Ferro, Gabriel; Chaussende, Didier

    2017-01-01

    Nitrogen doping of 4H-SiC during vapor phase epitaxy is still lacking of a general model explaining the apparently contradictory trends obtained by different teams. In this paper, the evolutions of nitrogen incorporation (on both polar Si and C faces) as a function of the main growth parameters (C/Si ratio, temperature, pressure and growth rate) are reviewed and explained using a model based on surface exchanges between the gas phase and the uppermost 4H-SiC atomic layers. In this model, N incorporation is driven mainly by the transient formation of C vacancies, due to H2 etching, at the surface or near the surface. It is shown that all the growth parameters are influencing the probability of C vacancies formation in a similar manner as they do for N incorporation. The surface exchange model proposes a new framework for explaining the experimental results even beyond the commonly accepted reactor type dependency. PMID:28211528

  1. Nanocrystalline diamond films as UV-semitransparent Schottky contacts to 4H-SiC

    NASA Astrophysics Data System (ADS)

    Tadjer, Marko J.; Hobart, Karl D.; Caldwell, Joshua D.; Butler, James E.; Liu, Kendrick X.; Eddy, Charles R.; Gaskill, D. Kurt; Lew, K. K.; VanMil, Brenda L.; Myers-Ward, Rachael L.; Ancona, Mario G.; Kub, Fritz J.; Feygelson, Tatyana I.

    2007-10-01

    A heterojunction between thin films of nanocrystalline diamond (NCD) and 4H-SiC has been developed. Undoped and B-doped NCDs were deposited on both n- and p- SiC epilayers. I-V measurements on p + NCD /n- SiC indicated Schottky rectifying behavior with a turn-on voltage of around 0.2V. The current increased over eight orders of magnitude with an ideality factor of 1.17 at 30°C. Ideal energy-band diagrams suggested a possible conduction mechanism for electron transport from the SiC conduction band to either the valence band or acceptor level of the NCD film. Applications as an UV semitransparent electrical contact to 4H-SiC are discussed.

  2. A 4H Silicon Carbide Gate Buffer for Integrated Power Systems

    SciTech Connect

    Ericson, N; Frank, S; Britton, C; Marlino, L; Ryu, SH; Grider, D; Mantooth, A; Francis, M; Lamichhane, R; Mudholkar, M; Shepherd, P; Glover, M; Valle-Mayorga, J; McNutt, T; Barkley, A; Whitaker, B; Cole, Z; Passmore, B; Lostetter, A

    2014-02-01

    A gate buffer fabricated in a 2-mu m 4H silicon carbide (SiC) process is presented. The circuit is composed of an input buffer stage with a push-pull output stage, and is fabricated using enhancement mode N-channel FETs in a process optimized for SiC power switching devices. Simulation and measurement results of the fabricated gate buffer are presented and compared for operation at various voltage supply levels, with a capacitive load of 2 nF. Details of the design including layout specifics, simulation results, and directions for future improvement of this buffer are presented. In addition, plans for its incorporation into an isolated high-side/low-side gate-driver architecture, fully integrated with power switching devices in a SiC process, are briefly discussed. This letter represents the first reported MOSFET-based gate buffer fabricated in 4H SiC.

  3. Thermodynamic calculations in the system CH4-H2O and methane hydrate phase equilibria.

    PubMed

    Circone, Susan; Kirby, Stephen H; Stern, Laura A

    2006-04-27

    Using the Gibbs function of reaction, equilibrium pressure, temperature conditions for the formation of methane clathrate hydrate have been calculated from the thermodynamic properties of phases in the system CH4-H2O. The thermodynamic model accurately reproduces the published phase-equilibria data to within +/-2 K of the observed equilibrium boundaries in the range 0.08-117 MPa and 190-307 K. The model also provides an estimate of the third-law entropy of methane hydrate at 273.15 K, 0.1 MPa of 56.2 J mol(-1) K(-1) for 1/nCH4.H2O, where n is the hydrate number. Agreement between the calculated and published phase-equilibria data is optimized when the hydrate composition is fixed and independent of the pressure and temperature for the conditions modeled.

  4. A new model for in situ nitrogen incorporation into 4H-SiC during epitaxy

    NASA Astrophysics Data System (ADS)

    Ferro, Gabriel; Chaussende, Didier

    2017-02-01

    Nitrogen doping of 4H-SiC during vapor phase epitaxy is still lacking of a general model explaining the apparently contradictory trends obtained by different teams. In this paper, the evolutions of nitrogen incorporation (on both polar Si and C faces) as a function of the main growth parameters (C/Si ratio, temperature, pressure and growth rate) are reviewed and explained using a model based on surface exchanges between the gas phase and the uppermost 4H-SiC atomic layers. In this model, N incorporation is driven mainly by the transient formation of C vacancies, due to H2 etching, at the surface or near the surface. It is shown that all the growth parameters are influencing the probability of C vacancies formation in a similar manner as they do for N incorporation. The surface exchange model proposes a new framework for explaining the experimental results even beyond the commonly accepted reactor type dependency.

  5. Thermodynamic calculations in the system CH4-H2O and methane hydrate phase equilibria

    USGS Publications Warehouse

    Circone, S.; Kirby, S.H.; Stern, L.A.

    2006-01-01

    Using the Gibbs function of reaction, equilibrium pressure, temperature conditions for the formation of methane clathrate hydrate have been calculated from the thermodynamic properties of phases in the system CH4-H 2O. The thermodynamic model accurately reproduces the published phase-equilibria data to within ??2 K of the observed equilibrium boundaries in the range 0.08-117 MPa and 190-307 K. The model also provides an estimate of the third-law entropy of methane hydrate at 273.15 K, 0.1 MPa of 56.2 J mol-1 K-1 for 1/n CH4??H 2O, where n is the hydrate number. Agreement between the calculated and published phase-equilibria data is optimized when the hydrate composition is fixed and independent of the pressure and temperature for the conditions modeled. ?? 2006 American Chemical Society.

  6. Monte Carlo Simulation of Electron Transport in 4H- and 6H-SiC

    SciTech Connect

    Sun, C. C.; You, A. H.; Wong, E. K.

    2010-07-07

    The Monte Carlo (MC) simulation of electron transport properties at high electric field region in 4H- and 6H-SiC are presented. This MC model includes two non-parabolic conduction bands. Based on the material parameters, the electron scattering rates included polar optical phonon scattering, optical phonon scattering and acoustic phonon scattering are evaluated. The electron drift velocity, energy and free flight time are simulated as a function of applied electric field at an impurity concentration of 1x10{sup 18} cm{sup 3} in room temperature. The simulated drift velocity with electric field dependencies is in a good agreement with experimental results found in literature. The saturation velocities for both polytypes are close, but the scattering rates are much more pronounced for 6H-SiC. Our simulation model clearly shows complete electron transport properties in 4H- and 6H-SiC.

  7. 4H-silicon carbide-dielectric interface recombination analysis using free carrier absorption

    NASA Astrophysics Data System (ADS)

    Suvanam, S. S.; Gulbinas, K.; Usman, M.; Linnarson, M. K.; Martin, D. M.; Linnros, J.; Grivickas, V.; Hallén, A.

    2015-03-01

    In this paper, an alternative method to characterize the interface between 4H polytype of Silicon Carbide (4H-SiC) and passivating dielectric layers is established. The studies are made on dielectric-semiconductor test structures using Al2O3 as dielectric on 4H-SiC n-type epitaxial layers. Samples with different pre- and post-dielectric deposition preparations have been fabricated on epilayers of varying thicknesses. Effective lifetimes (τeff) of all the samples were measured by an optical pump-probe method utilizing free carrier absorption (FCA) to analyse the influence of the 4H-SiC/dielectric interface on charge carrier recombination. The relative contribution to τeff from the surfaces increases with decreasing epilayer thickness, and by analysing the data in combination with numerical modelling, it is possible to extract values of the surface recombination velocities (SRVs) for interfaces prepared in different ways. For instance, it is found that SRV for a standard cleaning procedure is 2 × 106 cm/s compared to a more elaborate RCA process, yielding a more than 50 times lower value of 3.5 × 104 cm/s. Furthermore, the density of interface traps (Dit) is extracted from capacitance-voltage (CV) measurements using the Terman method and a comparison is made between the SRV extracted from FCA measurements and Dits extracted from CV measurements on the same structures fabricated with metal contacts. It is observed that the SRV increase scales linearly with the increase in Dit. The strong qualitative correlation between FCA and CV data shows that FCA is a useful characterization technique, which can also yield more quantitative information about the charge carrier dynamics at the interface.

  8. 4-[4-(Diethyl-amino)benzyl-ideneamino]-4H-1,2,4-triazole.

    PubMed

    Pan, Jian Xin; Zhang, Ju Zhou; Chen, Qian Wang

    2008-05-03

    The title compound, C(13)H(17)N(5), is a Schiff base synthesized by the reaction of 4-amino-4H-1,2,4-triazole and 4-(diethyl-amino)benzaldehyde. The triazole ring forms a dihedral angle of 5.77 (16)° with the benzene ring. The crystal structure is stabilized by an inter-molecular C-H⋯N hydrogen bond.

  9. I-V characteristics simulation of silicon carbide Ti/4H-SiC Schottky diode

    NASA Astrophysics Data System (ADS)

    Panchenko, P.; Rybalka, S.; Malakhanov, A.; Krayushkina, E.; Radkov, A.

    2016-12-01

    The simulation of current-voltage characteristics for 4H-SiC Schottky diode with Ti Schottky contact has been carried out with used of TCAD program. Obtained current-voltage characteristics has been analyzed and compared with theoretical and experimental results. It is established that the Schottky diode parameters (forward current, ideality coefficient, Schottky barrier height, breakdown voltage) obtained in proposed model are good agreement with data for such type diodes.

  10. High Resolution Topography Analysis on Threading Edge Dislocations in 4H-SiC Epilayers

    SciTech Connect

    Kamata, I.; Nagano, M; Tsuchida, H; Chen, Y; Dudley, M

    2009-01-01

    Threading edge dislocations (TEDs) in a 4H-SiC epitaxial layer are investigated using high-resolution synchrotron topography. Six types of TED image are confirmed to correspond to the Burgers vector directions by a comparison of computer simulated images and observed topography images in crystal boundaries. Using a mapping method, a wide spatial distribution of the six types of TED is examined in a quarter section of a 2-inch wafer.

  11. Resistance of 4H-SiC Schottky barriers at high forward-current densities

    SciTech Connect

    Ivanov, P. A. Samsonova, T. P.; Il’inskaya, N. D.; Serebrennikova, O. Yu.; Kon’kov, O. I.; Potapov, A. S.

    2015-07-15

    The resistance of Schottky barriers based on 4H-SiC is experimentally determined at high forward-current densities. The measured resistance is found to be significantly higher than the resistance predicted by classical mechanisms of electron transport in Schottky contacts. An assumption concerning the crucial contribution of the tunnel-transparent intermediate oxide layer between the metal and semiconductor to the barrier resistance is proposed and partially justified.

  12. Photophysics of a ruthenium 4H-imidazole panchromatic dye in interaction with titanium dioxide.

    PubMed

    Schindler, Julian; Kupfer, Stephan; Wächtler, Maria; Guthmuller, Julien; Rau, Sven; Dietzek, Benjamin

    2015-04-07

    The photophysics of bis(4,4'-di-tert-butyl-2,2'-bipyridine-κ(2)N,N')[2-(4-carboxyphenyl)-4,5-bis(p-tolylimino-κN)imidazolato]ruthenium(II) hexafluorophosphate is investigated, both in solution and attached to a nanocrystalline TiO2 film. The studied substitution pattern of the 4H-imidazole ligand is observed to block a photoinduced structural reorganization pathway within the 4H-imidazole ligand that has been previously investigated. Protonation at the 4H-imidazole ring decreases the excited-state lifetime in solution. When the unprotonated dye is anchored to TiO2, photoinduced electron injection occurs from thermally nonrelaxed triplet metal-to-ligand charge transfer ((3)MLCT) states with a characteristic time constant of 0.5 ps and an injection efficiency of roughly 25%. Electron injection from the subsequently populated thermalized (3)MLCT state of the dye does not take place. The energy of this state seems to be lower than the conduction band edge of TiO2.

  13. Laboratory detection of the C3N an C4H free radicals

    NASA Technical Reports Server (NTRS)

    Gottlieb, C. A.; Gottlieb, E. W.; Thaddeus, P.; Kawamura, H.

    1983-01-01

    The millimeter-wave spectra of the linear carbon chain free radicals C3N and C4H, first identified in IRC + 10216 and hitherto observed only in a few astronomical sources, have been detected with a Zeeman-modulated spectrometer in laboratory glow discharges through low pressure flowing mixtures of N2 + HC3N and He + HCCH, respectively. Four successive rotational transitions between 168 and 198 GHz have been measured for C3N, and five rotational transitions between 143 and 200 GHz for C4H; each is a well-resolved spin doublet owing to the unpaired electron present in both species. Precise values for the rotational, centrifugal distortion, and spin doubling constants have been obtained, which, with hyperfine constants derived from observations of the lower rotational transitions in the astronomical source TMC 1, allow all the rotational transitions of C3N and C4H at frequencies less than 300 GHz to be calculated to an absolute accuracy exceeding 1 ppm.

  14. Combustion of CH4/H2/air mixtures in catalytic microreactors.

    PubMed

    Specchia, Stefania; Vella, Luigi D; Burelli, Sara; Saracco, Guido; Specchia, Vito

    2009-03-23

    The combustion of CH(4)/H(2)/HC mixtures in a very small space represents an alternative, innovative way to produce thermal/electrical energy. Pd/NiCrO(4) catalysts are lined on SiC monoliths via in situ solution combustion synthesis (SCS), and the monoliths are then tested by feeding CH(4), H(2), and lean CH(4)/H(2) mixtures into a lab-scale test rig at an output thermal power of 7.6 MW(th) m(-3). In all cases, the combustion temperature shifts to values lower than those observed in non-catalytic combustion. When the power density is kept constant (by adding H(2) to the gas mixture), the value of CH(4)-T(50) (the half-conversion temperature of CH(4)) decreases relative to that of pure CH(4), and the slope of the conversion curve becomes steeper. The higher the H(2) concentration is, the higher the reactivity of the mixture towards CH(4) oxidation-probably due to a higher production of H(2) reactive radicals (OH).

  15. Computational Study of Anisotropic Epitaxial Recrystallization in 4H-SiC

    SciTech Connect

    Gao, Fei; Zhang, Yanwen; Posselt, Matthias; Weber, William J.

    2008-03-26

    Two nano-sized amorphous layers were employed within a crystalline cell to study anisotropic expitaxial recrystallization using molecular dynamics (MD) methods in 4H-SiC. Both amorphous layers were created with the normal of the amorphous-crystalline (a-c) interfaces along the [0001] direction, but one with a microscopic extension long the [0001] direction, i.e. the dimension along the [-12-10] direction is much larger than that along the [-12-10] direction (Ix model), and another with a microscopic extension long the [-1010] direction (Iy model). The amorphous layer within the Ix model can be completely recrystallized at 2000 K within achievable simulation time, and the recrystallization is driven by a step-regrowth mechanism. On the other hand, the nucleation and growth of secondary ordered phases are observed at high temperatures in the Iy model. The temperature for recrystallization of the amorphous layer into high quality 4H-SiC is estimated to be below 1500 K. As compared with other models, it is found that the regrowth rates and recrystallization mechanisms strongly depend on the orientation of 4H-SiC, whereas the activation energy spectra for recrystallization processes are independent on a specific polytypic structure, with activation energies ranging from 0.8 to 1.7 eV.

  16. Demonstration of the First 4H-SiC EUV Detector with Large Detection Area

    NASA Technical Reports Server (NTRS)

    Xin, Xiaobin; Yan, Feng; Koeth, Timothy W.; Hu, Jun; Zhao, Jian H.

    2005-01-01

    Ultraviolet (UV) and Extreme Ultraviolet (EUV) detectors are very attractive in astronomy, photolithography and biochemical applications. For EUV applications, most of the semiconductor detectors based on PN or PIN structures suffer from the very short penetration depth. Most of the carries are absorbed at the surface and recombined there due to the high surface recombination before reach the depletion region, resulting very low quantum efficiency. On the other hand, for Schottky structures, the active region starts from the surface and carriers generated from the surface can be efficiently collected. 4H-Sic has a bandgap of 3.26eV and is immune to visible light background noise. Also, 4H-Sic detectors usually have very good radiation hardness and very low noise, which is very important for space applications where the signal is very weak. The E W photodiodes presented in this paper are based on Schottky structures. Platinum (Pt) and Nickel (Ni) are selected as the Schottky contact metals, which have the highest electron work functions (5.65eV and 5.15eV, respectively) among all the known metals on 4H-Sic.

  17. Incipient plasticity in 4H-SiC during quasistatic nanoindentation.

    PubMed

    Goel, Saurav; Yan, Jiwang; Luo, Xichun; Agrawal, Anupam

    2014-06-01

    Silicon carbide (SiC) is an important orthopedic material due to its inert nature and superior mechanical and tribological properties. Some of the potential applications of silicon carbide include coating for stents to enhance hemocompatibility, coating for prosthetic-bearing surfaces and uncemented joint prosthetics. This study is the first to explore nanomechanical response of single crystal 4H-SiC through quasistatic nanoindentation. Displacement controlled quasistatic nanoindentation experiments were performed on a single crystal 4H-SiC specimen using a blunt Berkovich indenter (300nm tip radius) at extremely fine indentation depths of 5nm, 10nm, 12nm, 25nm, 30nm and 50nm. Load-displacement curve obtained from the indentation experiments showed yielding or incipient plasticity in 4H-SiC typically at a shear stress of about 21GPa (~an indentation depth of 33.8nm) through a pop-in event. An interesting observation was that the residual depth of indent showed three distinct patterns: (i) positive depth hysteresis above 33nm, (ii) no depth hysteresis at 12nm, and (iii) negative depth hysteresis below 12nm. This contrasting depth hysteresis phenomenon is hypothesized to originate due to the existence of compressive residual stresses (upto 143MPa) induced in the specimen by the polishing process prior to the nanoindentation.

  18. Nitrogen incorporation and interface trap reduction in silicon dioxide/4H-silicon carbide

    NASA Astrophysics Data System (ADS)

    McDonald, Kyle

    2001-07-01

    Silicon carbide is a wide band gap semiconductor whose properties make it an ideal material for high power applications. Silicon carbide thermally oxidizes to form SiO2, which is used as a gate insulator in MOSFETs; however, MOSFETs produced from the 4H-SiC polytype exhibit much lower channel mobilities than expected. A large density of interface traps produced by carbon clusters and located near the conduction band has been proposed as the source of the poor mobility. The nitridation of the SiO2/4H-SiC interface using NO and NH3 has been shown to reduce this interface trap density and improve the channel mobility. In this work, the kinetics of nitrogen incorporation using NO and NH3 are compared, and the relationship between nitrogen content and interface trap density are discussed. The nitridation of SiO2/4H-SiC in NO at temperatures from 1050--1175°C incorporates ˜1014 cm-2 of nitrogen at the interface. Oxygen formed during the thermal decomposition of NO oxidizes the substrate and removes carbon and nitrogen from the interface. When the nitridation and oxidation reactions reach equilibrium, the nitrogen content saturates independently of temperature. The nitridation of SiO 2/4H-SiC in NH; at temperatures from 1050--1175°C incorporates ˜10 16 cm-2 uniformly throughout the oxide bulk. During nitridation, oxygen is removed from the oxide, and the stoichiometry of the film is changed significantly. The nitridation of SiO2/4H-SiC in NO reduces the interface trap density near the conduction band by a factor of 10, but the trap density remains high. The complete passivation of these particular traps occurs at a nitrogen content of ≈2.5 x 1014 cm-2 , regardless of the annealing conditions. The data are consistent with a model of the interface in which the traps near the conduction band are produced by large carbon clusters with a near-continuum of energy levels. The passivation of these traps with nitrogen then proceeds by the dissolution of these carbon clusters

  19. A theoretical study on the reaction mechanism of O2 with C4H9• radical.

    PubMed

    Du, Hong-chen; Gong, Xue-dong

    2012-05-01

    Ab initio calculations have been performed using the complete basis set model (CBS-QB3) to study the reaction mechanism of butane radical (C(4)H(9)•) with oxygen (O(2)). On the calculated potential energy surface, the addition of O(2) to C(4)H(9)• forms three intermediates barrierlessly, which can undergo subsequent isomerization or decomposition reaction leading to various products: HOO• + C(4)H(8), C(2)H(5)• + CH(2)CHOOH, OH• + C(3)H(7)CHO, OH• + cycle-C(4)H(8)O, CH(3)• + CH(3)CHCHOOH, CH(2)OOH• + C(3)H(6). Five pathways are supposed in this study. After taking into account the reaction barrier and enthalpy, the most possible reaction pathway is C(4)H(9)• + O(2) → IM1 → TS5 → IM3 → TS6 → IM4 → TS7 → OH• + cycle-C(4)H(8)O.

  20. Ultra-High Voltage 4H-SiC Bi-Directional Insulated Gate Bipolar Transistors

    NASA Astrophysics Data System (ADS)

    Chowdhury, Sauvik

    4H- Silicon Carbide (4H-SiC) is an attractive material for power semiconductor devices due to its large bandgap, high critical electric field and high thermal conductivity compared to Silicon (Si). For ultra-high voltage applications (BV > 10 kV), 4H-SiC Insulated Gate Bipolar Transistors (IGBTs) are favored over unipolar transistors due to lower conduction losses. With improvements in SiC materials and processing technology, promising results have been demonstrated in the area of conventional unidirectional 4H-SiC IGBTs, with breakdown voltage ratings up to 27 kV. This research presents the experimental demonstration of the world's first high voltage bi-directional power transistors in 4H-SiC. Traditionally, four (two IGBTs and two diodes) or two (two reverse blocking IGBTs) semiconductor devices are necessary to yield a bidirectional switch. With a monolithically integrated bidirectional switch as presented here, the number of semiconductor devices is reduced to only one, which results in increased reliability and reduced cost of the overall system. Additionally, by using the unique dual gate operation of BD-IGBTs, switching losses can be reduced to a small fraction of that in conventional IGBTs, resulting in increased efficiency. First, the performance limits of SiC IGBTs are calculated by using analytical methods. The performance benefits of SiC IGBTs over SiC unipolar devices and Si IGBTs are quantified. Numerical simulations are used to optimize the unit cell and edge termination structures for a 15 kV SiC BD-IGBT. The effect of different device parameters on BD-IGBT static and switching performance are quantified. Second, the process technology necessary for the fabrication of high voltage SiC BD-IGBTs is optimized. The effect of different process steps on parameters such as breakdown voltage, carrier lifetime, gate oxide reliability, SiO2-SiC interface charge density is quantified. A carrier lifetime enhancement process has been optimized for lightly doped

  1. 4H-SiC JFET Multilayer Integrated Circuit Technologies Tested Up to 1000 K

    NASA Technical Reports Server (NTRS)

    Spry, D. J.; Neudeck, P. G.; Chen, L.; Chang, C. W.; Lukco, D.; Beheim, G. M.

    2015-01-01

    Testing of semiconductor electronics at temperatures above their designed operating envelope is recognized as vital to qualification and lifetime prediction of circuits. This work describes the high temperature electrical testing of prototype 4H silicon carbide (SiC) junction field effect transistor (JFET) integrated circuits (ICs) technology implemented with multilayer interconnects; these ICs are intended for prolonged operation at temperatures up to 773K (500 C). A 50 mm diameter sapphire wafer was used in place of the standard NASA packaging for this experiment. Testing was carried out between 300K (27 C) and 1150K (877 C) with successful electrical operation of all devices observed up to 1000K (727 C).

  2. Insight into metal-enhanced oxidation using barium on 4H-SiC surfaces

    NASA Astrophysics Data System (ADS)

    Chanthaphan, Atthawut; Katsu, Yoshihito; Hosoi, Takuji; Shimura, Takayoshi; Watanabe, Heiji

    2016-12-01

    Metal-enhanced oxidation (MEO) using ultrathin Ba layers on 4H-SiC surfaces was investigated by physical and electrical characterizations. We found that while comparable oxidation rates were enhanced for Si- and C-face surfaces even at a low temperature, significant surface and interface roughness were induced by initial MEO termed the incubation period. Depth profiling revealed that although most Ba atoms aggregated on the oxide surface, a tiny amount (˜1014 cm-2) remaining at the oxide interface was responsible for the following stable MEO reaction and the reduced interface state density with the drawbacks of degraded leakage current and breakdown characteristics of SiC-MOS devices.

  3. Compensation Mechanism in High Purity Semi-Insulating 4H-SiC

    DTIC Science & Technology

    2007-01-01

    online 15 March 2007 A study of deep levels in high purity semi-insulating 4H-SiC has been made using temperature dependent Hall effect TDH , thermal and...optical admittance spectroscopies, and secondary ion mass spectrometry SIMS. Thermal activation energies from TDH varied from a low of 0.55 eV to a...high of 1.65 eV. All samples studied showed n-type conduction with the Fermi level in the upper half of the band gap. Fits of the TDH data to

  4. C4H2, HC3N and C2N2 in Titan's atmosphere

    NASA Astrophysics Data System (ADS)

    Kunde, V. G.; Aikin, A. C.; Hanel, R. A.; Jennings, D. E.; Maguire, W. C.; Samuelson, R. E.

    1981-08-01

    Voyager 1 took IR measurements of the atmosphere of Titan, and obtained an average of 346 spectra, mostly from the center of the disk. The compounds C4H2, HC3N, and C2N2 were detected in the atmosphere of Titan. The identification of two compounds containing nitrogen, in addition to HCN, provides further evidence for the abundance of free N2 on Titan. The organic compounds observed in the atmosphere of Titan are summarized in a table, which also indicates the approximate mole fraction for each compound identified previously. The observed compounds originate by reactions of methane and nitrogen radicals in a predominantly nitrogen atmosphere.

  5. Transient collector modulation of 4H-SiC BJTs during switch-on process

    NASA Astrophysics Data System (ADS)

    Yuferev, Valentin S.; Levinshtein, Michael E.; Ivanov, Pavel A.; Zhang, Jon Q.; Palmour, John W.

    2016-09-01

    Main physical features of the collector resistance modulation processes have been studied via a one-dimensional simulation for n+-p-n0-n+ 4H-SiC bipolar junction transistor. The motion dynamics of minority carriers (holes) across the n0 collector layer during the switch-on process is traced. It is demonstrated that the effective modulation of the collector resistance is only possible in the case of a rather fast transistor switch-on. A necessary condition for the fast switch-on is the large amplitude and short leading edge of the base current pulse.

  6. Orientation of the water moiety in CF4-H2O

    NASA Astrophysics Data System (ADS)

    Evangelisti, Luca; Feng, Gang; Gou, Qian; Guidetti, Gloria; Caminati, Walther

    2012-12-01

    The rotational spectrum of CF4-H217O has been investigated by pulsed jet Fourier transform microwave spectroscopy. A symmetric top effective rotational spectrum has been observed, similarly to the case of the parent species (W. Caminati, A. Maris, A. Dell'Erba, P.G. Favero, Angew. Chem. Int. Ed. 45 (2006) 6711). The experimental value of the 17O χaa quadrupole coupling constant, 0.54(1) MHz, allows to determine the average value of the angle between the C2 axis of H2O and the C⋯O line, β = 24°.

  7. Atomic oxidation of large area epitaxial graphene on 4H-SiC(0001)

    SciTech Connect

    Velez-Fort, E.; Ouerghi, A.; Silly, M. G.; Sirtti, F.; Eddrief, M.; Marangolo, M.; Shukla, A.

    2014-03-03

    Structural and electronic properties of epitaxial graphene on 4H-SiC were studied before and after an atomic oxidation process. X-ray photoemission spectroscopy indicates that oxygen penetrates into the substrate and decouples a part of the interface layer. Raman spectroscopy demonstrates the increase of defects due to the presence of oxygen. Interestingly, we observed on the near edge x-ray absorption fine structure spectra a splitting of the π* peak into two distinct resonances centered at 284.7 and 285.2 eV. This double structure smears out after the oxidation process and permits to probe the interface architecture between graphene and the substrate.

  8. Theoretical study on the reaction of C4H (X˜2Σ+) with CH3OH

    NASA Astrophysics Data System (ADS)

    Huo, Ruiping; Zhang, Xiang; Zhang, Caifeng

    2015-01-01

    The reaction mechanism of linear butadiynyl radical C4H (C1C2C3C4H) with methanol (CH3OH) was studied at the CCSD(T)/aug-cc-pVTZ//BB1K/6-311+G(2d,2p) level. Six different hydrogen abstraction channels were considered, and methyl-H and hydroxyl-H of CH3OH abstractions by C1 atom (M1 and M2) are the two predominant and competitive channels. Further analysis indicated that M1 is a hydrogen atom transfer (HAT) channel while M2 is a proton-coupled electron transfer (PCET) channel. For M1 and M2, the high-pressure rate constants in the temperature range of 100-1400 K were calculated by ICVT/SCT and TST/W methods and the changes of branching ratios with temperature under four pressures (0.1, 1.0, 10 and 100 atm) were also considered by Master equation approach.

  9. Defect Characterization of 4H-SiC Wafers for Power Electronic Device Applications.

    NASA Astrophysics Data System (ADS)

    Cicero, G.; Ferrero, S.; Cocuzza, M.; Giorgis, F.; Mandracci, P.; Ricciardi, C.; Scaltrito, L.; Pirri, C. F.; Richieri, G.; Sgorlon, C.

    2002-03-01

    Silicon carbide is a wide band gap semiconductor, interesting for its physical properties such as high breakdown field, high saturated drift velocity and high thermal conductivity, which has been intensively studied in the last years. Although the high potentiality of this material, the SiC technology shows at the moment some limitations and requires further study in order to obtain electronic devices with the same quality standards of the Si technology. Indeed, the reliability of SiC-based devices is strictly correlated to the defects present in the crystalline structure. We have focused our investigation on 4H-SiC wafers and on 4H epitaxial layers in order to determine in both the situations the different type of defects. A preliminary investigation has been performed by optical microscopy and Scanning Electron Microscopy with the aim to evidence the defect morphology on large scale. A deeper insight on the defects typology has been obtained by Atomic Force Microscopy, Profilometer technique, Micro-Raman and Micro-Photoluminescence spectroscopies. Different types of defects such as micropipes, comets, super dislocations, etch pits and so on, have been characterized finding particular physical finger-prints. This investigation is aimed at correlating the defects and the electrical properties of SiC for power electronic device applications.

  10. Microwave photoconductivity decay characterization of high-purity 4H-SiC substrates

    NASA Astrophysics Data System (ADS)

    Kumar, R. J.; Borrego, J. M.; Gutmann, R. J.; Jenny, J. R.; Malta, D. P.; Hobgood, H. McD.; Carter, C. H.

    2007-07-01

    A microwave photoconductivity decay (MPCD) technique, which probes conductivity change in wafers in response to either an above-band-gap or below-band-gap laser pulse, has been used to characterize recombination lifetime in high-purity 4H-SiC substrates produced with three different anneal processes. The above-band-gap (266nm) decay times vary from ˜10ns to tens of microseconds in the 4H-SiC substrates depending on the wafer growth parameters. Wafers produced using the three processes A (as-grown), B (annealed at 2000°C), and C (annealed at 2600°C) have decay times of 10-20ns, 50-500ns, and tens of microseconds, respectively. The differences in decay times are attributed to low, medium, and high densities of recombination centers in process C, B, and A wafers, respectively. The MPCD results correlate with other characterization results such as deep level transient spectroscopy, which also showed that the 2600°C anneal process significantly reduces defect densities, resulting in the enhanced recombination lifetimes. Modeling and one-dimensional simulations indicate a trapping center closer to the conduction band results in a longer MPCD decay transient, but such a trapping based model for the enhanced lifetimes is not compatible with the wide range of experimental characterization results described in this work, which indicate an annealing out of recombination centers at 2600°C.

  11. Schottky barrier detection devices having a 4H-SiC n-type epitaxial layer

    SciTech Connect

    Mandal, Krishna C.; Terry, J. Russell

    2016-12-06

    A detection device, along with methods of its manufacture and use, is provided. The detection device can include: a SiC substrate defining a substrate surface cut from planar to about 12.degree.; a buffer epitaxial layer on the substrate surface; a n-type epitaxial layer on the buffer epitaxial layer; and a top contact on the n-type epitaxial layer. The buffer epitaxial layer can include a n-type 4H--SiC epitaxial layer doped at a concentration of about 1.times.10.sup.15 cm.sup.-3 to about 5.times.10.sup.18 cm.sup.-3 with nitrogen, boron, aluminum, or a mixture thereof. The n-type epitaxial layer can include a n-type 4H--SiC epitaxial layer doped at a concentration of about 1.times.10.sup.13 cm.sup.-3 to about 5.times.10.sup.15 cm.sup.-3 with nitrogen. The top contact can have a thickness of about 8 nm to about 15 nm.

  12. n-ZnO/p-4H-SiC diode: Structural, electrical, and photoresponse characteristics

    SciTech Connect

    Guziewicz, M. Jung, W.

    2015-09-07

    Epitaxial n-type ZnO film has been grown, on a commercial 5 μm thick p-type 4H-SiC(00.1) Al doped epilayer, by atomic layer deposition. A full width at half maximum of the ZnO 00.2 diffraction peak rocking curve of 0.34°{sup  }± 0.02° has been measured. Diodes formed on the n-ZnO/p-4H-SiC heterostructure show rectifying behavior with a forward to reverse current ratio at the level of 10{sup 9} at ±4 V, a leakage current density of ∼6 × 10{sup −8} A/cm{sup 2}, and a low ideality factor equal to 1.17 ± 0.04. In addition, the diodes exhibit selective photoresponse with a maximum at 367 nm, and with a current increase of ∼10{sup 3} under illuminations with respect to the dark value, which makes such devices prospective candidates for ultraviolet light sensors.

  13. Exploration of Defects in 4H-SiC MOSFETs via Spin Dependent Charge Pumping

    NASA Astrophysics Data System (ADS)

    Anders, Mark; Lenahan, Patrick; Lelis, Aivars

    4H-SiC MOSFETs have great promise for use in high temperature and high voltage applications. Unfortunately, defects at the SiC/SiO2 interface reduce the performance of these devices. Previously, our group utilized electrically detected magnetic resonance (EDMR) detected via spin dependent recombination (SDR) to identify such SiC/SiO2 interface defects utilizing the bipolar amplification (BAE) biasing scheme; we observed SiC silicon vacancies, E-prime centers, and hydrogen complexed E-prime centers. All of these defects must have levels around the middle of the SiC band gap because they are effective recombination centers. We expanded our studies to include EDMR detection via spin dependent charge pumping (SDCP) at low field, X band, and K band, allowing EDMR exploration of nearly the entire 4H-SiC band gap. Perhaps the most important finding of the (nearly) full band gap measurements is the absence of the carbon dangling bond spectrum in the SDCP. Additionally, in nMOSFETs, we observe an SDCP EDMR spectrum dominated by a silicon vacancy, whereas in pMOSFETs, we also observe a strong, nearly isotropic single line spectrum with g = 2.00244 and 2.00248 when the c-axis is nearly parallel and perpendicular to the magnetic field, respectively. The results suggest that silicon vacancy centers dominate nMOSFET interfaces whereas additional defects clearly play important roles in pMOSFETs.

  14. Characterization of V-shaped defects in 4H-SiC homoepitaxial layers

    SciTech Connect

    Zhang, Lihua; Su, Dong; Kisslinger, Kim; Stach, Eric; Chung, Gil; Zhang, Jie; Thomas, Bernd; Sanchez, Edward K; Mueller, Stephan G.; Hansen, Darren; Loboda, Mark J.; Wu, Fangzhen; Wang, Huanhuan; Raghothamachar, Balaji; Dudley, Michael

    2014-12-04

    Synchrotron white beam x-ray topography images show that faint needle-like surface morphological features observed on the Si-face of 4H-SiC homoepitaxial layers using Nomarski optical microscopy are associated with V shaped stacking faults in the epilayer. KOH etching of the V shaped defect reveals small oval pits connected by a shallow line which corresponding to the surface intersections of two partial dislocations and the stacking fault connecting them. Transmission electron microscopy (TEM) specimens from regions containing the V shaped defects were prepared using focused ion beam milling, and stacking sequences of (85), (50) and (63) are observed at the faulted region with high resolution TEM. In order to study the formation mechanism of V shaped defect, low dislocation density 4H-SiC substrates were chosen for epitaxial growth, and the corresponding regions before and after epitaxy growth are compared in SWBXT images. It is found that no defects in the substrate are directly associated with the formation of the V shaped defect. Simulation results of the contrast from the two partial dislocations associated with V shaped defect in synchrotron monochromatic beam x-ray topography reveals the opposite sign nature of their Burgers vectors. Therefore, a mechanism of 2D nucleation during epitaxy growth is postulated for the formation of the V shaped defect, which requires elimination of non-sequential 1/4[0001] bilayers from the original structure to create the observed faulted stacking sequence.

  15. Characterization of V-shaped defects in 4H-SiC homoepitaxial layers

    DOE PAGES

    Zhang, Lihua; Su, Dong; Kisslinger, Kim; ...

    2014-12-04

    Synchrotron white beam x-ray topography images show that faint needle-like surface morphological features observed on the Si-face of 4H-SiC homoepitaxial layers using Nomarski optical microscopy are associated with V shaped stacking faults in the epilayer. KOH etching of the V shaped defect reveals small oval pits connected by a shallow line which corresponding to the surface intersections of two partial dislocations and the stacking fault connecting them. Transmission electron microscopy (TEM) specimens from regions containing the V shaped defects were prepared using focused ion beam milling, and stacking sequences of (85), (50) and (63) are observed at the faulted regionmore » with high resolution TEM. In order to study the formation mechanism of V shaped defect, low dislocation density 4H-SiC substrates were chosen for epitaxial growth, and the corresponding regions before and after epitaxy growth are compared in SWBXT images. It is found that no defects in the substrate are directly associated with the formation of the V shaped defect. Simulation results of the contrast from the two partial dislocations associated with V shaped defect in synchrotron monochromatic beam x-ray topography reveals the opposite sign nature of their Burgers vectors. Therefore, a mechanism of 2D nucleation during epitaxy growth is postulated for the formation of the V shaped defect, which requires elimination of non-sequential 1/4[0001] bilayers from the original structure to create the observed faulted stacking sequence.« less

  16. High-purity semi-insulating 4H-SiC for microwave device applications

    NASA Astrophysics Data System (ADS)

    Jenny, J. R.; Malta, D. P.; Müller, St G.; Powell, A. R.; Tsvetkov, V. F.; Hobgood, H. Mcd; Glass, R. C.; Carter, C. H., Jr.

    2003-05-01

    High-purity, semi-insulating (HPSI) 4H-SiC crystals with diameters up to 75 mm have been grown by the seeded sublimation technique without the intentional introduction of elemental deep-level dopants, such as vanadium. Wafers cut from these crystals exhibit homogeneous activation energies near mid gap and thermally stable semi-insulating (SI) behavior (>109 ohm-cm) throughout device processing. Secondary ion mass spectroscopy, deep-level transient spectroscopy, optical admittance spectroscopy, and electron paramagnetic resonance data suggest that the SI behavior originates from several deep levels associated with intrinsic point defects. Micropipe densities in HPSI substrates have been demonstrated to be as low as 10 cm-2 in 2-in. substrates, and the room-temperature thermal conductivity of this material is near the theoretical maximum of 5 W/cm·K for 4H-SiC. Devices fabricated on these HPSI wafers do not exhibit any substrate related back-gating effects and have power densities as high as 5.2 W/mm with 63% power added efficiency.

  17. Defect studies of Vanadium doped 4H-SiC using optical admittance spectroscopy

    NASA Astrophysics Data System (ADS)

    Lee, Wonwoo

    2005-03-01

    Semi-insulating SiC is an excellent candidate for a variety of applications, including microwave FET's and other devices for high power and high temperature applications. Vanadium acts as an amphoteric impurity in 4H-SiC with a V^3+/4+ acceptor level thought to be within 1 eV of the conduction band edge and a V^4+/5+ donor level known to be 1.6 eV below the conduction band edge. Vanadium is an efficient carrier trap and recombination center. We have studied vanadium doped 4H-SiC with the optical admittance spectroscopy (OAS) at room temperature. After taking into account phonon-assisted optical transitions, the estimated threshold energies can be compared with defect levels measured using thermal techniques. Compared with data reported in the literature, our results show that the defect level Ec -1.5 eV is close to the vanadium donor level and the other level Ec -0.67 eV is within the range of the value attributed to the vanadium acceptor level.

  18. Experimental characterization of a 4H SiC high voltage current limiting device

    NASA Astrophysics Data System (ADS)

    Nallet, F.; Planson, D.; Godignon, P.; Locatelli, M. L.; Lazar, M.; Chante, J. P.

    2001-12-01

    The aim of this paper is to show the first experimental results of a 600 V 4H-SiC current limiting device. This device limits the current which flows through it as the bias voltage between its two contacts increases. The static curves obtained from the first process run (T=300 K) show a current limitation capability with a saturation voltage ranging from 10 to 15 V. The device electrical characterization shows a R ON≈150 mΩ cm 2 and a current density of 150 A cm -2 under 50 V. The forward conduction is ensured by an N type implanted channel (doping species: nitrogen) on top of an P + implanted layer (doping species: aluminum). The post-implantation annealing of 1700 °C/30 min leads to a good electrical activation (80%) of the N channel/P + layer (analyzed by C(V) and SIMS methods) and a good channel mobility (100 cm 2 V -1 s -1 for a 2×10 17 cm-3 N compensated doping concentration). The prototypes of the second process run reach a saturation current density of 900 A cm -2 with a specific on-resistance of 13 mΩ cm 2. The 4H-SiC current limiting devices of the second run belong to the best set of Accu-MOSFETs devices reported in the literature.

  19. Understanding Life Skills Gained from and Reasons for Youth Participation in the Tennessee 4-H Sheep Skillathon

    ERIC Educational Resources Information Center

    Davis, Terra Kimes; Stripling, Christopher T.; Stephens, Carrie A.; Loveday, H. Dwight

    2016-01-01

    The high number of U.S. youth exhibiting at-risk behavior points to a lack of life skills development. We determined the effects of participating in one state's 4-H sheep skillathon on youths' life skills development and the youths' reasons for participating. The target population was 2014 Tennessee 4-H Sheep Skillathon participants (N = 153), and…

  20. Family Diversity in a Youth Organization: Involvement of Single-Parent Families and Stepfamilies in 4-H.

    ERIC Educational Resources Information Center

    Ganong, Lawrence H.

    1993-01-01

    Evaluated involvement of children from single-parent and stepparent households in 4-H clubs. Used case study approach, with data collected via written materials; interviews with 4-H staff; and mailed questionnaires from professional staff, paraprofessionals, and parents. Children from single-parent households were found to be underrepresented, as…

  1. Volunteer Educators' Influence on Youth Participation and Learning in 4-H STEM Learning by Design Programs

    NASA Astrophysics Data System (ADS)

    Worker, Steven Michael

    The purpose of this study was to describe the co-construction of three 4-H STEM (science, technology, engineering, and mathematics) learning by design programs by volunteer educators and youth participants in the 4-H Youth Development Program. The programs advanced STEM learning through design, a pedagogical approach to support youth in planning, designing, and making shareable artifacts. This pedagogical approach is a special case of project-based learning, related to the practices found in the science learning through design literature as well as the making and tinkering movements. Specifically, I explored adult volunteer educators' roles and pedagogical strategies implementing the 4-H Junk Drawer Robotics curriculum (Mahacek, Worker, and Mahacek, 2011) and how that, in turn, afforded and constrained opportunities for youth to display or report engagement in design practices; learning of STEM content; strengthening tool competencies; dispositions of resilience, reciprocity, and playfulness; and psychological ownership. The curriculum targeted middle school youth with a sequence of science inquiry activities and engineering design challenges. This study employed naturalist and multiple-case study methodology relying on participant observations and video, interviews with educators, and focus groups with youth within three 4-H educational robotics programs organized by adult 4-H volunteer educators. Data collection took place in 2014 and 2015 at Santa Clara with an educator and seven youth; Solano with three educators and eight youth; and Alameda with an educator and seven youth. Data analysis revealed six discrete categories of pedagogy and interactions that I labeled as participation structures that included lecture, demonstration, learning activity, group sharing, scripted build, and design & build. These participation structures were related to the observed pedagogical practices employed by the educators. There was evidence of youth engagement in design

  2. Characterization of the Minimum Energy Paths for the Ring Closure Reactions of C4H3 with Acetylene

    NASA Technical Reports Server (NTRS)

    Walch, Stephen P.

    1995-01-01

    The ring closure reaction of C4H3 with acetylene to give phenyl radical is one proposed mechanism for the formation of the first aromatic ring in hydrocarbon combustion. There are two low-lying isomers of C4H3; 1-dehydro-buta-l-ene-3-yne (n-C4H3) and 2-dehydro-buta-l-ene-3-yne (iso-C4H3). It has been proposed that only n-C4H3 reacts with acetylene to give phenyl radical, and since iso-C4H3 is more stable than n-C4H3, formation of phenyl radical by this mechanism is unlikely. We report restricted Hartree-Fock (RHF) plus singles and doubles configuration interaction calculations with a Davidson's correction (RHF+1+2+Q) using the Dunning correlation consistent polarized valence double zeta basis set (cc-pVDZ) for stationary point structures along the reaction pathway for the reactions of n-C4H3 and iso-C4H3 with acetylene. n-C4H3 plus acetylene (9.4) has a small entrance channel barrier (17.7) (all energetics in parentheses are in kcal/mol with respect to iso-C4H3 plus acetylene) and the subsequent closure steps leading to phenyl radical (-91.9) are downhill with respect to the entrance channel barrier. Iso-C4H3 Plus acetylene also has an entrance channel barrier (14.9) and there is a downhill pathway to 1-dehydro-fulvene (-55.0). 1-dehydro-fulvene can rearrange to 6-dehydro-fulvene (-60.3) by a 1,3-hydrogen shift over a barrier (4.0), which is still below the entrance channel barrier, from which rearrangement to phenyl radical can occur by a downhill pathway. Thus, both n-C4H3 and iso-C4H3 can react with acetylene to give phenyl radical with small barriers.

  3. Characterization and Modeling of 4H-SiC Lateral MOSFETs for Integrated Circuit Design

    SciTech Connect

    Mudholkar, M; Mantooth, HA

    2013-06-01

    A new process in 4H-SiC is developed that features n-type buried and inversion channel lateral MOSFETs that are fabricated with several different channel lengths (2-8 mu m) and widths (8-32 mu m) and characterized over a wide temperature range (25 degrees C-225 degrees C). It is shown that the on-resistance of enhancement-mode SiC MOSFETs reduces with temperature despite a reduction in inversion mobility because of the interaction of interface states with temperature. To enable integrated circuit development using the developed MOSFETs, their electrical characteristics are modeled over geometry and temperature using the industry standard PSP MOSFET model. A new mathematical formulation to describe the presence of the interface states is also developed and implemented in the PSP model, and excellent agreement is shown between measurement and simulation using the modified PSP model.

  4. 2-Amino-4-(nitroalkyl)-4H-chromene-3-carbonitriles as New Cytotoxic Agents

    PubMed Central

    Zonouzi, Afsaneh; Mirzazadeh, Roghieh; Safavi, Maliheh; Kabudanian Ardestani, Sussan; Emami, Saeed; Foroumadi, Alireza

    2013-01-01

    A series of 2-amino-4-(nitroalkyl)-4H-chromene-3-carbonitriles were synthesized by an efficient multicomponent reaction in aqueous media using DBU as a catalyst at room temperature. Mild condition, environment friendly procedure and excellent yields are the main advantages of this procedure. The cytotoxic activity of target compounds were evaluated against three cancer cell lines MDA-MB-231, MCF-7 and T47D in comparison with etoposide as reference drug. Generally, all compounds showed good cell growth inhibitory activity with IC50 values less than 30 μg/mL. Their activities were comparable or more potent than standard drug etoposide. The 6-bromo- derivatives 7e and 7f showed promising cytotoxic activity with IC50 values in the range of 3.46–18.76 μg/mL, being more potent than etoposide against all tested cell lines. PMID:24523747

  5. Synthesis of a new class of pyrrolo[3,4-h]quinazolines with antimitotic activity.

    PubMed

    Spanò, Virginia; Montalbano, Alessandra; Carbone, Anna; Parrino, Barbara; Diana, Patrizia; Cirrincione, Girolamo; Castagliuolo, Ignazio; Brun, Paola; Issinger, Olaf-Georg; Tisi, Silvia; Primac, Irina; Vedaldi, Daniela; Salvador, Alessia; Barraja, Paola

    2014-03-03

    A new series of pyrrolo[3,4-h]quinazolines was conveniently prepared with a broad substitution pattern. A large number of derivatives was obtained and the cellular cytotoxicity was evaluated in vitro against 5 different human tumor cell lines with GI₅₀ values reaching the low micromolar level (1.3-19.8 μM). These compounds were able to induce cell death mainly by apoptosis through a mitochondrial dependent pathway. Selected compounds showed antimitotic activity and a reduction of tubulin polymerization in a concentration-dependent manner. Moreover, they showed anti-angiogenic properties since reduced in vitro endothelial cell migration and disrupted HUVEC capillary-like tube network in Matrigel.

  6. Pyrazolo[3,4-h]quinolines promising photosensitizing agents in the treatment of cancer.

    PubMed

    Spanò, Virginia; Parrino, Barbara; Carbone, Anna; Montalbano, Alessandra; Salvador, Alessia; Brun, Paola; Vedaldi, Daniela; Diana, Patrizia; Cirrincione, Girolamo; Barraja, Paola

    2015-09-18

    A new series of pyrazolo[3,4-h]quinolines, heteroanalogues of angelicin was conveniently prepared with a broad substitution pattern. A large number of derivatives was obtained and the cellular photocytotoxicity was evaluated in vitro against 5 different human tumor cell lines with GI50 values reaching the nanomolar level (14.52-0.04 μM). Selected compounds were able to photoinduce a massive cell death with the involvement of mitochondria. Their photodamage cellular targets were proteins and lipids and they did not cause any kind of DNA photodamage. This latter event is of considerable importance in the modulation of long term side effects, generally associated with the use of classical furocoumarins.

  7. 4H-SiC UV Photo Detector with Large Area and Very High Specific Detectivity

    NASA Technical Reports Server (NTRS)

    Yan, Feng; Shahid, Aslam; Franz, David; Xin, Xiaobin; Zhao, Jian H.; Zhao, Yuegang; Winer, Maurice

    2004-01-01

    Pt/4H-SiC Schottky photodiodes have been fabricated with the device areas up to 1 sq cm. The I-V characteristics and photo-response spectra have been measured and analyzed. For a 5 mm x 5 mm area device leakage current of 1 x 10(exp 15)A at zero bias and 1.2 x 10(exp 14)A at -IV have been established. The quantum efficiency is over 30% from 240nm to 320nm. The specific detectivity, D(sup *), has been calculated from the directly measured leakage current and quantum efficiency data and are shown to be higher than 10(exp 15) cmHz(sup 1/2)/W from 210nm to 350nm with a peak D(sup *) of 3.6 x 10(exp 15)cmH(sup 1/2)/W at 300nm.

  8. An Integrated Gate Driver in 4H-SiC for Power Converter Applications

    SciTech Connect

    Ericson, Milton Nance; Frank, Steven Shane; Britton, Charles; Janke, Devon D; Ezell, N Dianne Bull; Ryu, Sei_Hyung; Mantooth, Alan; Francis, Dr. Matt; Lanmichhane, Dr. Ranjan; Shepherd, Dr. Paul; Glover, Dr. Michael; Whitaker, Mr. Bret; Cole, Mr. Zach; Passmore, Mr. Brandon; Mcnutt, Tyler

    2014-01-01

    A gate driver fabricated in a 2-um 4H silicon carbide (SiC) process is presented. This process was optimized for vertical power MOSFET fabrication but accommodated integration of a few low-voltage device types including N-channel MOSFETs, resistors, and capacitors. The gate driver topology employed incorporates an input level translator, variable power connections, and separate power supply connectivity allowing selection of the output signal drive amplitude. The output stage utilizes a source follower pull-up device that is both overdriven and body source connected to improve rise time behavior. Full characterization of this design driving a SiC power MOSFET is presented including rise and fall times, propagation delays, and power consumption. All parameters were measured to elevated temperatures exceeding 300 C. Details of the custom test system hardware and software utilized for gate driver testing are also provided.

  9. 4H-SiC trench IGBT with lower on-state voltage drop

    NASA Astrophysics Data System (ADS)

    Liu, Yan-juan; Wang, Ying; Yu, Cheng-hao; Fei-Cao

    2017-03-01

    In this paper, a new 4H-SiC trench-gate IGBT structure incorporated a P+ shielding region in the emitter side is proposed in order to reduce the on-state voltage drop. Through the 2-D ATLAS simulation, the characteristics of the proposed structure are investigated and compared with the conventional structure. The simulation results indicate that the proposed structure exhibits an improvement in the following. Firstly, the on-state voltage drop is reduced by 32.75%. Secondly, the differential specific on-resistance is reduced by 42.33%. Finally, under the same on-state voltage drop, the turn-off energy is reduced more than 50.00%. At the end of the paper, it is explored that what effects the physical parameter of the P+ shielding region in the proposed structure have on the steady state performances.

  10. Low-energy electron scattering from C{sub 4}H{sub 9}OH isomers

    SciTech Connect

    Bettega, M. H. F.; Winstead, C.; McKoy, V.

    2010-12-15

    We present differential, integral, and momentum-transfer cross sections for elastic scattering of low-energy electrons by three butanol isomers, isobutanol, t-butanol, and 2-butanol. Our results were calculated with the Schwinger multichannel method in the static-exchange plus polarization approximation for collision energies from 1 to 50 eV. The present results are compared with previous calculations and measurements for the remaining C{sub 4}H{sub 9}OH isomer, n-butanol [Khakoo et al., Phys. Rev. A 78, 062714 (2008)]. Distinctive behavior is observed in the differential cross sections at collision energies between 5 and 10 eV. In particular, whereas n-butanol exhibits an f-wave scattering pattern, the other isomers exhibit d-wave behavior. A similar pattern is found in the related alkanes when comparing straight-chain versus branched isomers. We discuss the possible connection of this behavior to shape resonances that influence the scattering.

  11. 4H-SiC surface energy tuning by nitrogen up-take

    NASA Astrophysics Data System (ADS)

    Pitthan, E.; Amarasinghe, V. P.; Xu, C.; Gustafsson, T.; Stedile, F. C.; Feldman, L. C.

    2017-04-01

    Surface energy modification and surface wettability of 4H silicon carbide (0001) as a function of nitrogen adsorption is reported. The surface wettability is shown to go from primarily hydrophilic to hydrophobic and the surface energy was significantly reduced with increasing nitrogen incorporation. These changes are investigated by x-ray photoelectron spectroscopy and contact angle measurements. The surface energy was quantitatively determined by the Fowkes model and interpreted primarily in terms of the variation of the surface chemistry with nitrogen coverage. Variable control of SiC surface energies with a simple and controllable atomic additive such as nitrogen that is inert to etching, stable against time, and also effective in electrical passivation, can provide new opportunities for SiC biomedical applications, where surface wetting plays an important role in the interaction with the biological interfaces.

  12. High resolution alpha particle detectors based on 4H-SiC epitaxial layer

    NASA Astrophysics Data System (ADS)

    Zat'ko, B.; Dubecký, F.; Šagátová, A.; Sedlačová, K.; Ryć, L.

    2015-04-01

    We fabricated and characterized 4H-SiC Schottky diodes as a spectrometric detector of alpha particles. A thin blocking contact of Ni/Au (15 nm) was used to minimize the influence on alpha particles energy. Current-voltage characteristics of the detector were measured and a low current density below 0.3 nAcm-2 was observed at room temperature. 239Pu241Am244Cm was used as a source of alpha particles within the energy range between 5.1 MeV and 5.8 MeV for detector testing. The charge collection efficiency close to 100 % at reverse bias exceeding 50 V was determined. The best spectrometric performance shows a pulse height spectrum at a reverse bias of 200 V giving an energy resolution of 0.25 % in the full width and half maximum for 5.486 MeV of 241Am.

  13. Optical properties of mesoporous 4H-SiC prepared by anodic electrochemical etching

    NASA Astrophysics Data System (ADS)

    Rashid, Marzaini; Horrocks, B. R.; Healy, N.; Goss, J. P.; Horsfall, A. B.

    2016-11-01

    Porous silicon carbide was fabricated from n-type 4H-SiC substrates via anodic electrochemical etching in HF/ethanol solution and suspended in ethanol after ultrasonication. We observed three photoluminescence bands: two at wavelengths of 303 nm and 345 nm were above the bulk bandgap and one at 455 nm was below the bulk bandgap. These blue-shifted and red-shifted emission processes reveal the interplay between quantum confinement, surface states, and band edge related optical transitions. We propose a model to explain the frequently observed deviation from the quantum confinement in the photoluminesence trends for SiC-derived nanoparticles suspended in solvents. The quantum confined properties of the SiC structures provide a route for optical tunability in the UV-blue spectrum for use in novel photonic and biomedical applications.

  14. NaBH4/H2O2 Fuel Cells for Lunar and Mars Exploration

    NASA Astrophysics Data System (ADS)

    Luo, Nie; Miley, George H.; Mather, Joseph; Burton, Rodney; Hawkins, Glenn; Gimlin, Richard; Rusek, John; Valdez, Tom I.; Narayanan, Sekharipuram R.

    2006-01-01

    The properties of direct hydrogen peroxide (H2O2) fuel cells are studied in this research. Different catalysts and diffusion electrodes are tested to optimize the cell performance. Initial results indicate: 1) conversion efficiency over 60% at a practical current density of 250mA/cm2; 2) power density over 0.6 W/cm2, at room temperature and ambient pressure, better than that of any traditional fuel cell. Further, the unique combination of NaBH4 and H2O2, both of which are in an aqueous form, paves the way for a convenient unitized regeneration, which is inherently compact compared to other cells that use gas phase reactants, such as the conventional H2 and O2. These excellent properties make the NaBH4/H2O2 fuel cell a very promising candidate for future space power systems. A conceptual design to power Lunar and Mars missions is discussed.

  15. High current gain 4H-SiC bipolar junction transistor

    NASA Astrophysics Data System (ADS)

    Yourun, Zhang; Jinfei, Shi; Ying, Liu; Chengchun, Sun; Fei, Guo; Bo, Zhang

    2016-04-01

    A novel 4H-SiC BJT of high current gain with a suppressing surface traps effect has been proposed. It is effective to improve the current gain due to the lower electrons density in the surface region by extending the emitter metal to overlap the passivation layer on the extrinsic base surface. The electrons trapped in the extrinsic base surface induce the degeneration of SiC BJTs device performance. By modulating the electron recombination rate, the novel structure can increase the current gain to 63.2% compared with conventional ones with the compatible process technology. Optimized sizes are an overlapped metal length of 4 μm, as well as an oxide layer thickness of 50 nm. Project supported by the National Natural Science Foundation of China (Nos. 61306093, 61401075).

  16. Evidence for near-infrared photoluminescence of nitrogen vacancy centers in 4 H -SiC

    NASA Astrophysics Data System (ADS)

    Zargaleh, S. A.; Eble, B.; Hameau, S.; Cantin, J.-L.; Legrand, L.; Bernard, M.; Margaillan, F.; Lauret, J.-S.; Roch, J.-F.; von Bardeleben, H. J.; Rauls, E.; Gerstmann, U.; Treussart, F.

    2016-08-01

    We present evidence of near-infrared photoluminescence (PL) signature of nitrogen vacancy centers (NCVSi) - in silicon carbide (SiC). This center exhibits an S =1 ground state spin similar to the NV- center in diamond. We have performed photoluminescence excitation measurements at cryogenic temperature and demonstrated efficient photoexcitation of distinct photoluminescence from (NCVSi)- in 4 H -SiC. Furthermore, by correlating the energies of measured zero phonon lines (ZPLs) with theoretical values derived from hybrid density functional theory each of the ZPLs has been associated to the respective occupation of hexagonal (h ) and quasicubic (k ) lattice sites in close analogy to neutral divacancy centers (VCVSi) 0 in the same material. Finally, with the appropriate choice of excitation energy we demonstrated the selective excitation of (NCVSi) - PL with no contamination by (VCVSi) 0 PL, thereby opening the way towards the optical detection of (NCVSi) - electron spin resonance.

  17. Nitrogen-related point defect in 4H and 6H SiC

    NASA Astrophysics Data System (ADS)

    Zvanut, M. E.; van Tol, J.

    2007-12-01

    A nitrogen-related pair defect is studied as a function of doping density in 4H and 6H SiC. Electron paramagnetic resonance measurements verify that one nucleus in the pair is nitrogen, but the second part of the pair remains uncertain. The pair concentration varies monotonically with nitrogen concentration in samples with doping density 10 18-10 16 cm -3 and the boron concentration is an order of magnitude less than that of nitrogen. The pair center is not observed in the dark or under ultraviolet illumination when the nitrogen and boron concentrations are similar. We conclude that the pair is generated in all nitrogen-doped samples, but like the isolated nitrogen impurity, may be compensated by boron.

  18. Observations of deep levels in 4H-SiC using optoelectronic modulation spectroscopy

    NASA Astrophysics Data System (ADS)

    Chiu, Chi-Hsin; Parmiter, P. J. M.; Hilton, K.; Uren, M. J.; Swanson, J. G.

    2001-10-01

    Optoelectronic modulation spectroscopy (OEMS) has been used to reveal defect states in 4H-SiC. Pairs of magnitude and phase spectra have been used to infer whether they were electron or hole traps. Eleven discrete trap responses have been observed, eight were assigned as electron traps and three as hole traps. Five of these had been observed previously using optical admittance spectroscopy (OAS). An electron trap at 1.20 eV gave the most prominent response with a distinctive signature indicating that these traps were spatially delocalized with an extent of at least 1.35 nm, possibly associated with an extended defect structure. An unresolved continuum of be the superimposed response of an electron and hole trap at closely similar energies. Cosistency has been demonstrated with previous work using DLOS and OAS.

  19. Irradiation of 4H-SiC UV detectors with heavy ions

    SciTech Connect

    Kalinina, E. V. Lebedev, A. A.; Bogdanova, E.; Berenquier, B.; Ottaviani, L.; Violina, G. N.; Skuratov, V. A.

    2015-04-15

    Ultraviolet (UV) photodetectors based on Schottky barriers to 4H-SiC are formed on lightly doped n-type epitaxial layers grown by the chemical vapor deposition method on commercial substrates. The diode structures are irradiated at 25°C by 167-MeV Xe ions with a mass of 131 amu at a fluence of 6 × 10{sup 9} cm{sup −2}. Comparative studies of the optical and electrical properties of as-grown and irradiated structures with Schottky barriers are carried out in the temperature range 23–180°C. The specific features of changes in the photosensitivity and electrical characteristics of the detector structures are accounted for by the capture of photogenerated carriers into traps formed due to fluctuations of the conduction-band bottom and valence-band top, with subsequent thermal dissociation.

  20. Mass spectrum of the butadiynyl radical (C4H; X2[summation operator]+)

    NASA Astrophysics Data System (ADS)

    Gu, Xibin; Guo, Ying; Kaiser, Ralf I.

    2005-11-01

    We utilized the crossed molecular beams method to synthesize the butadiynyl radical, C4H(X2[summation operator]+), via the reaction of dicarbon molecules with acetylene, under single collision conditions. Time-of-flight spectra of the radical were recorded at the center-of-mass angle (31°) of the parent ion (m/z = 49; C4H+) and of the fragments at m/z = 48 (C4+), m/z = 37 (C3H+), and m/z = 36 (C3+) This yields relative intensity ratios of I(m/z = 49):I(m/z = 48):I(m/z = 37):I(m/z = 36):I(m/z = 25):I(m/z = 24) = 1.0:0.67 +/- 0.07:0.47 +/- 0.06:0.2 +/- 0.02:0.08 +/- 0.02:0.04 +/- 0.02 at 70 eV electron impact energy. Signal at m/z = 13 (CH+) and 12 (C+) contribute less than 0.04 relative to the parent peak; the intensity of the 13C isotopic peak of the butadiynyl radical at m/z = 50 (13C12C3H+) depicts an intensity of 0.04 +/- 0.01 relative to m/z = 49. Employing linear scaling methods, the absolute ionization cross section of the butadiynyl radical was computed to be 8.8 +/- 1.8 × 10-16 cm2. These data can be employed in future space missions to detect the butadiynyl radical in oxygen-poor combustion flames and in the atmospheres of planets (Jupiter, Saturn, Uranus, Neptune and Pluto) and their moons (Titan, Triton and Oberon) in situ via matrix interval arithmetic assisted mass spectrometry.

  1. Picosecond pulsed laser ablation and micromachining of 4H-SiC wafers

    NASA Astrophysics Data System (ADS)

    Molian, Pal; Pecholt, Ben; Gupta, Saurabh

    2009-02-01

    Ultra-short pulsed laser ablation and micromachining of n-type, 4H-SiC wafer was performed using a 1552 nm wavelength, 2 ps pulse, 5 μJ pulse energy erbium-doped fiber laser with an objective of rapid etching of diaphragms for pressure sensors. Ablation rate, studied as a function of energy fluence, reached a maximum of 20 nm per pulse at 10 mJ/cm 2, which is much higher than that achievable by the femtosecond laser for the equivalent energy fluence. Ablation threshold was determined as 2 mJ/cm 2. Scanning electron microscope images supported the Coulomb explosion (CE) mechanism by revealing very fine particulates, smooth surfaces and absence of thermal effects including melt layer formation. It is hypothesized that defect-activated absorption and multiphoton absorption mechanisms gave rise to a charge density in the surface layers required for CE and enabled material expulsion in the form of nanoparticles. Trenches and holes micromachined by the picosecond laser exhibited clean and smooth edges and non-thermal ablation mode for pulse repetition rates less than 250 kHz. However carbonaceous material and recast layer were noted in the machined region when the pulse repetition rate was increased 500 kHz that could be attributed to the interaction between air plasma and micro/nanoparticles. A comparison with femtosecond pulsed lasers shows the promise that picosecond lasers are more efficient and cost effective tools for creating sensor diaphragms and via holes in 4H-SiC.

  2. Electrical and optical characterization of 4H-SiC diodes for particle detection

    NASA Astrophysics Data System (ADS)

    Schifano, Ramón; Vinattieri, Anna; Bruzzi, Mara; Miglio, Stefania; Lagomarsino, Stefano; Sciortino, Silvio; Nava, Filippo

    2005-05-01

    The electronic and optical properties of several (medium to high quality) 4H-SiC epitaxial sensors for particle detection have been studied. The samples are n-doped Schottky diodes with different nitrogen concentrations (6×1013cm-3-5×1015cm-3) and thicknesses (20-40μm). A full electrical and optical characterization has been performed by capacitance versus voltage measurements and near-band-edge low-temperature photoluminescence. The effective doping along the epilayer and the depletion width have been determined and data are consistent with the charge collection efficiency characterization performed with a minimum ionizing β-source. All the investigated samples exhibit a 100% collection efficiency. In particular, the best samples yield a highly reproducible signal, well separated from the pedestal. Photoluminescence results show a linear relationship between the effective doping and the ratio of nitrogen-bound excitonic emission (Q0) and free excitonic line (I76), in agreement with a previous work on 4H-SiC with a higher doping concentration [I. G. Ivanov, C. Hallin, A. Henry, O. Kordina, and E. Janzén, J. Appl. Phys. 80, 3504 (1996)]. Moreover we show that the dependence of the major spectral features as a function of the penetration depth of the exciting laser beam can quantitatively provide information on substrate contribution to the photoluminescence. In conclusion, we bring evidence that a detailed characterization of SiC-based detectors, by all optical techniques, yields an accurate value for the net doping and gives a qualitative information on the epilayer thickness prior to any electrical wafer tests.

  3. Electrical and optical characterization of 4H-SiC diodes for particle detection

    SciTech Connect

    Schifano, Ramon; Vinattieri, Anna; Bruzzi, Mara; Miglio, Stefania; Lagomarsino, Stefano; Sciortino, Silvio; Nava, Filippo

    2005-05-15

    The electronic and optical properties of several (medium to high quality) 4H-SiC epitaxial sensors for particle detection have been studied. The samples are n-doped Schottky diodes with different nitrogen concentrations (6x10{sup 13} cm{sup -3}-5x10{sup 15} cm{sup -3}) and thicknesses (20-40 {mu}m). A full electrical and optical characterization has been performed by capacitance versus voltage measurements and near-band-edge low-temperature photoluminescence. The effective doping along the epilayer and the depletion width have been determined and data are consistent with the charge collection efficiency characterization performed with a minimum ionizing {beta}-source. All the investigated samples exhibit a 100% collection efficiency. In particular, the best samples yield a highly reproducible signal, well separated from the pedestal. Photoluminescence results show a linear relationship between the effective doping and the ratio of nitrogen-bound excitonic emission (Q{sub 0}) and free excitonic line (I{sub 76}), in agreement with a previous work on 4H-SiC with a higher doping concentration [I. G. Ivanov, C. Hallin, A. Henry, O. Kordina, and E. Janzen, J. Appl. Phys. 80, 3504 (1996)]. Moreover we show that the dependence of the major spectral features as a function of the penetration depth of the exciting laser beam can quantitatively provide information on substrate contribution to the photoluminescence. In conclusion, we bring evidence that a detailed characterization of SiC-based detectors, by all optical techniques, yields an accurate value for the net doping and gives a qualitative information on the epilayer thickness prior to any electrical wafer tests.

  4. Hydride CVD Hetero-epitaxy of B12P2 on 4H-SiC

    NASA Astrophysics Data System (ADS)

    Frye, C. D.; Saw, C. K.; Padavala, Balabalaji; Nikolić, R. J.; Edgar, J. H.

    2017-02-01

    Icosahedral boron phosphide (B12P2) is a wide bandgap semiconductor (3.35 eV) that has been reported to "self-heal" from high-energy electron bombardment, making it attractive for potential use in radioisotope batteries, radiation detection, or in electronics in high radiation environments. This study focused on improving B12P2 hetero-epitaxial films by growing on 4H-SiC substrates over the temperature range of 1250-1450 °C using B2H6 and PH3 precursors in a H2 carrier gas. XRD scans and Laue transmission photographs revealed that the epitaxial relationship was (0001)< 11 2 bar 0 > B12P2 ∥ (0001)< 11 2 bar 0 > 4 H - SiC . The film morphology and crystallinity were investigated as a function of growth temperature and growth time. At 1250 °C, films tended to form rough, polycrystalline layers, but at 1300 and 1350 °C, films were continuous and comparatively smooth (RRMS ≤ 7 nm). At 1400 or 1450 °C, the films grew in islands that coalesced as the films became thicker. Using XRD rocking curves to evaluate the crystal quality, 1300 °C was the optimum growth temperature tested. At 1300 °C, the rocking curve FWHM decreased with increasing film thickness from 1494 arcsec for a 1.1 μm thick film to 954 arcsec for a 2.7 μm thick film, suggesting a reduction in defects with thickness.

  5. Device design assessment of 4H-SiC n-IGBT - A simulation study

    NASA Astrophysics Data System (ADS)

    Usman, Muhammad; Nawaz, Muhammad

    2014-02-01

    A theoretical design assessment is presented using two dimensional numerical computer aided design (TCAD) tool for 15-20 kV 4H-SiC IGBTs. Physical parameters of the layer structures such as drift layer thickness, doping in the drift layer, JFET region width and interface charges underneath the gate region are varied to predict the device performance. Performance is further assessed at different temperatures and with different carrier lifetime in the drift layer. Using identical set of physical device parameters (doping, thicknesses), simulated structure was first calibrated with the experimental data. Simulations show that a minority carrier lifetime in the drift layer of 1.0-1.6 μs produces a close match with the experimental device. An on-resistance first decays with temperature (i.e., increased in ionization level, and increase in minority carrier lifetime), stays nearly constant with further increase in the temperature (may be all carriers are now fully ionized and increase in carrier lifetime is compensated with decrease in the carrier mobility) and finally increases linearly with temperature (>450 K) due to decrease in the carrier mobility. A significant increase in the forward voltage drop is observed with the presence of interface trap charges. Increasing JFET region width slightly decreases the forward on-state voltage. A drift layer of at least 175 μm thick with a doping concentration of < 2.0 × 1014 cm-3 is required to get a blocking voltage of 20 kV for 4H-SiC IGBTs assuming a minority carrier lifetime of 1 μs in the drift layer.

  6. Charcot-Marie-Tooth Disease Type 4H Resulting from Compound Heterozygous Mutations in FGD4 from Nonconsanguineous Korean Families.

    PubMed

    Hyun, Young Se; Lee, Jinho; Kim, Hye Jin; Hong, Young Bin; Koo, Heasoo; Smith, Alec S T; Kim, Deok-Ho; Choi, Byung-Ok; Chung, Ki Wha

    2015-11-01

    Charcot-Marie-Tooth disease type 4H (CMT4H) is an autosomal recessive demyelinating subtype of peripheral enuropathies caused by mutations in the FGD4 gene. Most CMT4H patients are in consanguineous Mediterranean families characterized by early onset and slow progression. We identified two CMT4H patients from a Korean CMT cohort, and performed a detailed genetic and clinical analysis in both cases. Both patients from nonconsanguineous families showed characteristic clinical manifestations of CMT4H including early onset, scoliosis, areflexia, and slow disease progression. Exome sequencing revealed novel compound heterozygous mutations in FGD4 as the underlying cause in both families (p.Arg468Gln and c.1512-2A>C in FC73, p.Met345Thr and c.2043+1G>A (p.Trp663Trpfs*30) in FC646). The missense mutations were located in highly conserved RhoGEF and PH domains which were predicted to be pathogenic in nature by in silico modeling. The CMT4H occurrence frequency was calculated to 0.7% in the Korean demyelinating CMT patients. This study is the first report of CMT4H in Korea. FGD4 assay could be considered as a means of molecular diagnosis for sporadic cases of demyelinating CMT with slow progression.

  7. Measurement of Optical, Mechanical and Transport properties of the hexagonal closed packed 4H polytype of metallic silver

    NASA Astrophysics Data System (ADS)

    Chakraborty, Indrani; Shirodkar, Sharmila N.; Gohil, Smita; Waghmare, Umesh; Ayyub, Pushan

    2013-03-01

    Optical, mechanical and transport property measurements were done on the hexagonal closed packed (hcp) 4H polytype of Ag with stacking sequence ABCBABCB.. grown as bulk films on Al2O3 substrates. Diffused reflectance measurements done on the 4H films showed a general loss of reflectivity amounting to a decrease of 35% as compared to normal fcc (3C) Ag near 500 nm with a blueshift of 5nm in the bulk plasmon frequency, possibly due to the modified electronic structure of the hcp form. Raman spectroscopic measurements showed the appearance of a peak at 64.3 cm-1 at 4K which underwent ``Mode softening,'' that is shifted to lower wave numbers with increase of temperature and disappeared above 350K. Low temperature transport measurements done on 4H films gave the in-plane resistivity value to be 39 times higher than that of a similarly synthesized fcc Ag film at 295 K. Vicker's microhardness measurements done on the 4H films showed that the 4H samples to be almost 5 times harder than the 3C Ag. Density functional theory simulations were done to obtain the phonon dispersion, band structure and nature of Fermi surface for the 4H Ag which corroborated with the experimental observations. The 4H form appears to be a much less metallic, darker and harder form of Ag.

  8. Electronic spectrum and photodissociation chemistry of the linear methyl propargyl cation H2C4H3+

    NASA Astrophysics Data System (ADS)

    Catani, Katherine J.; Muller, Giel; da Silva, Gabriel; Bieske, Evan J.

    2017-01-01

    The electronic spectrum of the methyl propargyl cation (2-butyn-1-yl cation, H2C4H3+) is measured over the 230-270 nm range by photodissociating the bare cation and its Ar and N2 tagged complexes in a tandem mass spectrometer. The observed '1A←'1A band system has an origin at 37 753 cm-1 for H2C4H3+ , 37738 cm-1 for H2C4H3+ - Ar, and 37 658 cm-1 for H2C4H3+ - N2. The methyl propargyl cation photodissociates to produce either C2H3++C2H2 (protonated acetylene + acetylene) or H2C4H+ +H2 (protonated diacetylene + dihydrogen). Photodissociation spectra of H2C4H3+ , H2C4H3+ - Ar, and H2C4H3+ - N2 exhibit similar vibronic structure, with a strong progression of spacing 630 cm-1 corresponding to excitation of the C—C stretch mode. Interpretation of the spectra is aided by ground and excited state calculations using time dependent density functional theory at the ωB97X-D/aug-cc-pVDZ level of theory. Ab initio calculations and master equation simulations were used to interpret the dissociation of H2C4H3+ on the ground state manifold. These calculations support the experimentally observed product branching ratios in which acetylene elimination dominates and also suggests that channel switching occurs at higher energies to favor H2 elimination.

  9. Connecting Kids To The Universe: Partnering With 4-H Youth Development To Pilot 'Afterschool Universe' In New York

    NASA Astrophysics Data System (ADS)

    Schaff, Nancy

    2008-05-01

    4-H Youth Development - as the youth program of the Cooperative Extension system associated with the land grant university in every state - is an ideal partner for statewide dissemination of EPO programs. With funding from a Chandra Cycle 9 EPO grant we are piloting `Afterschool Universe’ in five urban locations in New York State. `Afterschool Universe’ is an education/outreach effort sponsored by NASA's Beyond Einstein program and was developed in partnership with the Imagine the Universe EPO program. The program is targeted at middle school students in out-of-school-time settings and explores basic astronomy concepts focused on the Universe beyond the solar system. Consisting of 12 sessions of engaging hands-on activities, the flexibly structured program can be used in a variety of settings, including astronomy days, youth groups, summer camps, and afterschool programs. Partnering with 4-H Youth Development helps us reach large numbers of underserved and underrepresented minority youth and girls in widely dispersed areas of New York and fits ideally with the current national 4-H SET (science, engineering, and technology) initiative and emphasis on 4-H afterschool programming. The pilot program provides teaching kits and workshops for program leaders. Our 4-H county partners recruit afterschool program staff, science center staff, 4-H volunteers, 4-H teens, and other youth group leaders as workshop participants. The 4-H program will house and loan the kit to trained leaders. By providing kits and training in 2008, we are gearing up for International Year of Astronomy programs in 2009 in out-of-school settings. Based on pilot results, we will seek additional funding to expand the program. The poster will discuss kit development, 4-H partnership, workshops, participating organizations, target audiences, successes, and challenges.

  10. Implantation-Free 4H-SiC Bipolar Junction Transistors with Double Base Epi-layers

    DTIC Science & Technology

    2007-05-14

    gain 4H-SiC NPN power bipolar junction transistor ,” IEEE Electron Device Letters, vol. 24, pp. 327-329, May 2003. [3] C.-F. Huang and J. A. Cooper...Jr., “High current gain 4H-SiC NPN Bipolar Junction Transistors ,” IEEE Electron Device Letters, vol. 24, pp. 396-398, Jun. 2003. [4] Sumi...Implantation-Free 4H-SiC Bipolar Junction Transistors with Double Base Epi-layers Jianhui Zhang, member, IEEE, Xueqing, Li, Petre Alexandrov

  11. Developing Children's Awareness of the Human-Animal Bond: An Assessment of the Experiences and Benefits that Children Receive in the United Animal Nation's Humane Education Ambassador Readers (HEAR) Program

    ERIC Educational Resources Information Center

    Stokes, Laura

    2009-01-01

    In 2007, the United Animal Nations (UAN) launched the Humane Education Ambassador Readers (HEAR), an innovation that focused on mitigation of animal suffering through education. In the HEAR program, adult volunteers read carefully selected story books to children in grades 3-6 in schools or other educational settings, and hold discussions with the…

  12. Effects of remote hydrogen plasma on chemical bonding features and electronic states of 4H-SiC(0001) surface

    NASA Astrophysics Data System (ADS)

    Truyen, Nguyen Xuan; Ohta, Akio; Makihara, Katsunori; Ikeda, Mitsuhisa; Miyazaki, Seiichi

    2017-01-01

    We have demonstrated a novel dry cleaning process for the 4H-SiC surface using remote hydrogen plasma (H2-RP). The effects of H2-RP exposure on the chemical structures and electronic states of the wet-cleaned 4H-SiC surface have been evaluated by X-ray photoelectron spectroscopy (XPS) and total photoelectron yield spectroscopy (PYS). XPS shows that H2-RP exposure is effective in removing contaminants from the 4H-SiC surface. PYS indicates that the defect states at the surface are generated after the H2-RP exposure and such generated defect states are drastically decreased by annealing at 850 °C. The combination of H2-RP exposure with the subsequent annealing is found to be effective in 4H-SiC surface cleaning.

  13. The effect of CH4/H2 ratio on the surface properties of HDPE treated by CHx ion beam bombardment

    NASA Astrophysics Data System (ADS)

    Ding, Wanyu; Guo, Yuanyuan; Ju, Dongying; Sato, Susumu; Tsunoda, Teruo

    2016-06-01

    The surface of high density polyethylene (HDPE) substrate was bombarded by the CHx group ion beam, which was generated by the mixture of CH4/H2. Varying the CH4/H2 ratio, HDPE surfaces with different chemical bond structures and properties were obtained. Raman and XPS results show that sp2 and sp3 bond structures are formed at HDPE surface bombarded by CHx group ions. The sp3 bond fraction at bombarded HDPE surface depends on the H2 ratio in CH4/H2 mixture, because the H ion/atom/molecule can improve the growth of sp3 bond structure. For HDPE surface bombarded by CH4/H2 = 50/50, sp3 bond fraction reaches the maximum of 30.5%, the surface roughness decreases to 17.04 nm, and the static contact angle of polar H2O molecule increased to 140.2∘.

  14. Contaminant exposures at the 4H shell mounds in the Santa Barbara Channel.

    PubMed

    Phillips, Charles R; Salazar, Michael H; Salazar, Sandra M; Snyder, Barry J

    2006-12-01

    Remobilization, bioavailability, and potential toxicity of chemical contaminants were evaluated at the 4H shell mounds - the site of abandoned offshore oil and gas production platforms in the Santa Barbara Channel region of the Southern California Bight. Evaluations used a weight-of-evidence approach based on results from bulk phase chemical analyses and laboratory toxicity testing of shell mound cores, in situ field bioassays using caged mussels, and surficial sediment chemistry. Shell mound cores contained elevated concentrations of metals associated with drilling wastes (e.g., Ba, Cr, Pb, and Zn), as well as monocyclic and polycyclic aromatic hydrocarbons (PAHs). The highest concentrations along with pockets of free oil were associated with the middle "cuttings" stratum. Sediments composited from all core strata caused significant acute toxicity and bioaccumulation of Ba and PAHs in test organisms during laboratory exposures. In contrast, caged mussels placed at each of the shell mounds for a period of 57-58 days had greater than 90% survival, and there were no significant differences in survival of mussels placed at the shell mounds and corresponding reference sites. While all mussel samples exhibited increases in shell length, whole animal weight, and tissue lipid content, in some cases growth metrics for the shell mound mussels were significantly higher than those for the reference sites. Concentrations of metals, PAHs, and polychlorinated biphenyls (PCBs) in tissues of the shell mound mussels were not significantly different from those at reference sites. The presence of labile aromatic hydrocarbons in shell mound cores and absence of significant contaminant accumulation of tissues of caged mussels indicated that chemical contaminants are not being remobilized from the 4H shell mounds. Surficial bottom sediments near the shell mounds contained elevated Ba concentrations that probably were associated with drilling wastes. However, concentrations did not

  15. Are HO radicals produced in the reaction of O(3P) with 1-C4H8 ?

    NASA Technical Reports Server (NTRS)

    Luria, M.; Simonaitis, R.; Heicklen, J.

    1972-01-01

    The reaction of O(3P) with 1-C4H8 was examined in the presence of CO which scavenges HO radicals to produce CO2. From the CO2 quantum yield, an upper limit to the efficiency of HO production in the reaction of O(3P) with 1-C4H8 was found to be 0.020 at both 298 and 473 K.

  16. 76 FR 77107 - Airworthiness Directives; Pratt & Whitney Corp. (PW) JT9D-7R4H1 Turbofan Engines

    Federal Register 2010, 2011, 2012, 2013, 2014

    2011-12-12

    ... Administration 14 CFR Part 39 [Docket No. FAA-2011-0731; Directorate Identifier 2010-NE-39-AD; Amendment 39-16886; AD 2011-25-10] RIN 2120-AA64 Airworthiness Directives; Pratt & Whitney Corp. (PW) JT9D-7R4H1 Turbofan... new airworthiness directive (AD) for all PW JT9D-7R4H1 turbofan engines. This AD was prompted...

  17. Effects on murine behavior and lifespan of selectively decreasing expression of mutant huntingtin allele by supt4h knockdown.

    PubMed

    Cheng, Hui-Min; Chern, Yijuang; Chen, I-Hui; Liu, Chia-Rung; Li, Sih-Huei; Chun, Seung J; Rigo, Frank; Bennett, C Frank; Deng, Ning; Feng, Yanan; Lin, Chyuan-Sheng; Yan, Yu-Ting; Cohen, Stanley N; Cheng, Tzu-Hao

    2015-03-01

    Production of protein containing lengthy stretches of polyglutamine encoded by multiple repeats of the trinucleotide CAG is a hallmark of Huntington's disease (HD) and of a variety of other inherited degenerative neurological and neuromuscular disorders. Earlier work has shown that interference with production of the transcription elongation protein SUPT4H results in decreased cellular capacity to transcribe mutant huntingtin gene (Htt) alleles containing long CAG expansions, but has little effect on expression of genes containing short CAG stretches. zQ175 and R6/2 are genetically engineered mouse strains whose genomes contain human HTT alleles that include greatly expanded CAG repeats and which are used as animal models for HD. Here we show that reduction of SUPT4H expression in brains of zQ175 mice by intracerebroventricular bolus injection of antisense 2'-O-methoxyethyl oligonucleotides (ASOs) directed against Supt4h, or in R6/2 mice by deletion of one copy of the Supt4h gene, results in a decrease in mRNA and protein encoded specifically by mutant Htt alleles. We further show that reduction of SUPT4H in mouse brains is associated with decreased HTT protein aggregation, and in R6/2 mice, also with prolonged lifespan and delay of the motor impairment that normally develops in these animals. Our findings support the view that targeting of SUPT4H function may be useful as a therapeutic countermeasure against HD.

  18. Tetrasilvermesoperiodate, Ag 4H 2I 2O 10: Structure and Color Phenomenon

    NASA Astrophysics Data System (ADS)

    Trnoska, Andreas; Nachbaur, Edgar; Belaj, Ferdinand

    1994-12-01

    A single-crystal X-ray structural analysis of the material previously known as "Ag2HIO5" has shown it to be Ag4H2I2O10, Mr = 847.29, monoclinic, P21/n, a = 6.243(3), b = 7.247(3), c = 10.196(4) Å, β = 98.00(3)°, V = 456.8(3) Å3, Z = 2, Dx = 6.160 g cm-3, λ(MoKα) = 0.71069 Å, μ = 151.1 cm-1, F(000) = 744, T = 90K, R = 0.0570, wR = 0.0547, S = 1.85 for 898 unique observed reflections and 73 parameters. The dark-red crystal is composed of centrosymmetric H2I2O4-10 ions built up of two edge-sharing IO5(OH) units. The Ag+ ions equally surrounding the anion display the coordination numbers 5 and 7. The shortest Ag-Ag distance is 3.321(2) Å, revealing the absence of any attractive Ag-Ag interaction. The geometrical parameters obtained for the H2I2O4-10 ion are in close accordance with those reported for the same anion in the colorless alkaline metal salts. The color-induction phenomenon is due to considerable covalent Ag-O interaction causing a red shift of electronic transitions in the "cation-anion complex".

  19. Discovery and Analysis of 4H-Pyridopyrimidines, a Class of Selective Bacterial Protein Synthesis Inhibitors▿

    PubMed Central

    Ribble, Wendy; Hill, Walter E.; Ochsner, Urs A.; Jarvis, Thale C.; Guiles, Joseph W.; Janjic, Nebojsa; Bullard, James M.

    2010-01-01

    Bacterial protein synthesis is the target for numerous natural and synthetic antibacterial agents. We have developed a poly(U) mRNA-directed aminoacylation/translation protein synthesis system composed of phenyl-tRNA synthetases, ribosomes, and ribosomal factors from Escherichia coli. This system, utilizing purified components, has been used for high-throughput screening of a small-molecule chemical library. We have identified a series of compounds that inhibit protein synthesis with 50% inhibitory concentrations (IC50s) ranging from 3 to 14 μM. This series of compounds all contained the same central scaffold composed of tetrahydropyrido[4,3-d]pyrimidin-4-ol (e.g., 4H-pyridopyrimidine). All analogs contained an ortho pyridine ring attached to the central scaffold in the 2 position and either a five- or a six-member ring tethered to the 6-methylene nitrogen atom of the central scaffold. These compounds inhibited the growth of E. coli, Staphylococcus aureus, Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis, with MICs ranging from 0.25 to 32 μg/ml. Macromolecular synthesis (MMS) assays with E. coli and S. aureus confirmed that antibacterial activity resulted from specific inhibition of protein synthesis. Assays were developed for the steps performed by each component of the system in order to ascertain the target of the compounds, and the ribosome was found to be the site of inhibition. PMID:20696870

  20. Optical directional coupler and Mach-Zehnder interferometer enhanced via 4H-SiC phonons

    NASA Astrophysics Data System (ADS)

    Finch, Michael F.; Saunders Filho, Claudio A. B.; Lail, Brian A.

    2016-09-01

    Surface phonon polaritons (SPhPs), similar to it cousin phenomenon surface plasmon polaitons (SPPs), are quasi-neutral particles resulting from light-matter coupling that can provide high modal confinement and long propagation in the mid to long infrared (IR). Mach-Zehnder interferometer (MZI) is a combination of two connected optical directional couplers (ODC). With the use of SPhPs, sub-wavelength feature sizes and modal areas can be achieved and to this end a hybrid SPhP waveguide, where propagation length and modal area can be trade-off, will be employed in the design of an ODC and MZI. This endeavor analyzes and characteristics both an ODC and MZI using commercially available numerical simulation software employing finite element method (FEM). The ODC and MZI are design using a novel SPhP hybrid waveguide design where a 4H-SiC substrate provides the polariton mode. The output ports power and relative phase difference between ports are investigated. SPhP enhanced ODC and MZI has applications including, but not limited to, next-generation ultra-compact photonic integrated circuits and waveguide based IR sensing.