Indiana University-Purdue University Indianapolis and George Washington Community High School: Educating Their Communities Together

ERIC Educational Resources Information Center

Officer, Starla D. H.; Bringle, Robert G.; Grim, Jim

2011-01-01

Indiana University-Purdue University Indianapolis worked with the residents and leadership of three neighborhoods adjacent to the campus to reopen the closed George Washington High School. The resulting partnership has strengthened the civic engagement mission of the university, and contributed to an award-winning community-based school. The…

Sunrayce Returns to Indianapolis Today

Science.gov Websites

-- General Motors, the U.S. Department of Energy (DOE) and EDS -- organized the two-day session. Four Indianapolis. Students from four Indiana Universities -- Rose-Hulman, Notre Dame, Purdue and Taylor University Sunrayce 95 cars from Rose-Hulman, Western Michigan, Purdue and Ohio State were on display at the meeting

Purdue Plane Structures Analyzer II : a computerized wood engineering system

Treesearch

S. K. Suddarth; R. W. Wolfe

1984-01-01

The Purdue Plane Structures Analyzer (PPSA) is a computer program developed specifically for the analysis of wood structures. It uses recognized analysis procedures, in conjunction with recommendations of the 1982 National Design Specification for Wood Construction, to determine stresses and deflections of wood trusses and frames. The program offers several options for...

Recruiting Talent: Indiana University-Purdue University Indianapolis Graduates the First Participants in its Research Scholars Program.

ERIC Educational Resources Information Center

Lords, Erik

2001-01-01

Describes the Minority Research Scholars Program (MRSP) at Indiana University-Purdue University Indianapolis, which funds the education of a group of minority students in seven disciplines: science, engineering and technology, social work, nursing, dental hygiene, physical education, and allied health. The program includes research projects,…

Expanding Capacity for Suicide Prevention: The ALIVE @ Purdue Train-the-Trainers Program

ERIC Educational Resources Information Center

Wachter Morris, Carrie A.; Taub, Deborah J.; Servaty-Seib, Heather L.; Lee, Ji-Yeon; Miles, Nathan; Werden, Donald; Prieto-Welch, Susan L.

2015-01-01

Suicide is the second leading cause of death among college students. One effective strategy for suicide prevention is gatekeeper training. Gatekeeper training has been described as a prevention strategy that improves detection and referral of at-risk individuals. Purdue recognized that only some of the resident assistants (RAs) were receiving this…

Psychometric Properties of the Revised Purdue Spatial Visualization Tests: Visualization of Rotations (The Revised PSVT-R)

ERIC Educational Resources Information Center

Yoon, So Yoon

2011-01-01

Working under classical test theory (CTT) and item response theory (IRT) frameworks, this study investigated psychometric properties of the Revised Purdue Spatial Visualization Tests: Visualization of Rotations (Revised PSVT:R). The original version, the PSVT:R was designed by Guay (1976) to measure spatial visualization ability in…

Reflections on Teaching in a Computerized Classroom: Knowledge, Power and Technology.

ERIC Educational Resources Information Center

Sykes, Lynn; Uber, Nancy

A study focused on teachers who have worked in computerized, networked writing classrooms at Purdue University (Indiana) for several year. Each of the subjects was a teaching assistant in the Purdue English Department, and the courses involved were upper division technical writing courses. Three theoretical approaches underpinned the study:…

High Cycle Fatigue (HCF) Science and Technology Program, 2001 Annual Report

DTIC Science & Technology

2002-05-01

Engines , Pratt & Whitney, Rolls Royce Allison, Honeywell Engines and Systems , Southwest Research Institute, Purdue University, North...Pratt & Whitney, Rolls Royce Allison, Honeywell Engines and Systems , Southwest Research Institute, Purdue University, University of Illinois, North...Participating Organizations: Pratt & Whitney, Honeywell Engines and Systems , Arnold Engineering Development Center (AEDC) Points of Contact:

Russian Civic Education and Social Studies Education at Purdue University

ERIC Educational Resources Information Center

Nelson, Lynn R.; Rapoport, Anatoli

2005-01-01

There are three distinct Russian civic education programs at Purdue University (the Civics Mosaic program, the Training of Professors for Civic Education program, and the Russian Maymester program). The programs are loosely joined together by a civic education purpose, but remain distinct in the nature of their participants--Russian and American…

A swirling jet in the quasar 1308+326

NASA Astrophysics Data System (ADS)

Britzen, S.; Qian, S.-J.; Steffen, W.; Kun, E.; Karouzos, M.; Gergely, L.; Schmidt, J.; Aller, M.; Aller, H.; Krause, M.; Fendt, C.; Böttcher, M.; Witzel, A.; Eckart, A.; Moser, L.

2017-06-01

Context. Despite numerous and detailed studies of the jets of active galactic nuclei (AGN) on pc-scales, many questions are still debated. The physical nature of the jet components is one of the most prominent unsolved problems, as is the launching mechanism of jets in AGN. The quasar 1308+326 (z = 0.997) allows us to study the overall properties of its jet in detail and to derive a more physical understanding of the nature and origin of jets in general. The long-term data provided by the Monitoring Of Jets in Active galactic nuclei with Very Long Baseline Array (VLBA) experiments (MOJAVE) survey permit us to trace out the structural changes in 1308+326 that we present here. The long-lived jet features in this source can be followed for about two decades. Aims: We investigate the very long baseline interferomety (VLBI) morphology and kinematics of the jet of 1308+326 to understand the physical nature of this jet and jets in general, the role of magnetic fields, and the causal connection between jet features and the launching process. Methods: Fifty VLBA observations performed at 15 GHz from the MOJAVE survey were re-modeled with Gaussian components and re-analyzed (the time covered: 20 Jan. 1995-25 Jan. 2014). The analysis was supplemented by multi-wavelength radio-data (UMRAO, at 4.8, 8.0, and 14.5 GHz) in polarization and total intensity. We fit the apparent motion of the jet features with the help of a model of a precessing nozzle. Results: The jet features seem to be emitted with varying viewing angles and launched into an ejection cone. Tracing the component paths yields evidence for rotational motion. Radio flux-density variability can be explained as a consequence of enhanced Doppler boosting corresponding to the motion of the jet relative to the line of sight. Based on the presented kinematics and other indicators, such as electric-vector polarization position-angle (EVPA) rotation, we conclude that the jet of 1308+326 has a helical structure, meaning that the components are moving along helical trajectories and the trajectories themselves are also experiencing a precessing motion. A model of a precessing nozzle was applied to the data and a subset of the observed jet feature paths can be modeled successfully within this model. The data till 2012 are consistent with a swing period of 16.9 yr. We discuss several scenarios to explain the observed motion phenomena, including a binary black hole model. It seems unlikely that the accretion disk around the primary black hole, which is disturbed by the tidal forces of the secondary black hole, is able to launch a persistent axisymmetric jet. Conclusions: We conclude that we are observing a rotating helix. In particular, the observed EVPA swings can be explained by a shock moving through a straight jet that is pervaded by a helical magnetic field. We compare our results for 1308+326 with other astrophysical scenarios where similar, wound-up filamentary structures are found. They are all related to accretion-driven processes. A helically moving or wound up object is often explained by filamentary features moving along magnetic field lines of magnetic flux tubes. It seems that a "component" comprises plasma tracing the magnetic field, which guides the motion of the radiating radio-band plasma. Further investigations and modeling are in preparation. The reduced Figs. A.1-A.13 (FITS files) are only available at the CDS via anonymous ftp to http://cdsarc.u-strasbg.fr (http://130.79.128.5) or via http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/602/A29 http://www.physics.purdue.edu/astro/MOJAVE/ http://www.physics.purdue.edu/astro/MOJAVE/ http://www.physics.purdue.edu/astro/MOJAVE/animated/1308+326.I.mpg http://www.physics.purdue.edu/MOJAVE/sourcepages/1308+326.shtml

Predictive Engineering Tools for Injection-Molded Long-Carbon-Fiber Thermoplastic Composites - FY 2014 Fourth Quarterly Report

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

Nguyen, Ba Nghiep; Fifield, Leonard S.; Mathur, Raj N.

2014-09-30

During the last quarter of FY 2014, the following technical progress has been made toward project milestones: 1) Autodesk, Inc. (Autodesk) has implemented a new fiber length distribution (FLD) model based on an unbreakable length assumption with Reduced Order Modeling (ROM) by the Proper Orthogonal Decomposition (POD) approach in the mid-plane, dual-domain and 3D solvers. 2) Autodesk improved the ASMI 3D solver for fiber orientation prediction using the anisotropic rotary diffusion (ARD) – reduced strain closure (RSC) model. 3) Autodesk received consultant services from Prof. C.L. Tucker at the University of Illinois on numerical simulation of fiber orientation and fibermore » length. 4) PlastiComp, Inc. (PlastiComp) suggested to Purdue University a procedure for fiber separation using an inert-gas atmosphere in the burn-off furnace. 5) Purdue University (Purdue) hosted a face-to-face project review meeting at Purdue University on August 6-7, 2014. 6) Purdue conducted fiber orientation measurements for 3 PlastiComp plaques: fast-fill 30wt% LCF/PP edged-gated, slow-fill 50wt% LCF/PP edge-gated, and slow-fill 50wt% LCF/PP center-gated plaques, and delivered the orientation data for these plaques at the selected locations (named A, B, and C) to PNNL. 7) PNNL conducted ASMI mid-plane analyses for the above PlastiComp plaques and compared the predicted fiber orientations with the measured data provided by Purdue at Locations A, B, and C on these plaques. 8) PNNL planned the project review meeting (August 6-7, 2014) with Purdue. 9) PNNL performed ASMI analyses for the Toyota complex parts with and without ribs, having different wall thicknesses, and using the PlastiComp 50wt% LCF/PP, 50wt% LCF/PA66, 30wt% LCF/PP, and 30wt% LCF/PA66 materials to provide guidance for tool design and modifications needed for molding these parts. 10) Magna Exteriors and Interiors Corp. (Magna) molded plaques from the 50% LCF/PP and 50% LCF/PA66 materials received from Plasticomp in order to extract machine purgings (purge materials) from Magna’s 200-Ton Injection Molding machine targeted to mold the complex part. 11) Toyota and Magna discussed with PNNL tool modification for molding the complex part.« less

The relationships between spatial ability, logical thinking, mathematics performance and kinematics graph interpretation skills of 12th grade physics students

NASA Astrophysics Data System (ADS)

Bektasli, Behzat

Graphs have a broad use in science classrooms, especially in physics. In physics, kinematics is probably the topic for which graphs are most widely used. The participants in this study were from two different grade-12 physics classrooms, advanced placement and calculus-based physics. The main purpose of this study was to search for the relationships between student spatial ability, logical thinking, mathematical achievement, and kinematics graphs interpretation skills. The Purdue Spatial Visualization Test, the Middle Grades Integrated Process Skills Test (MIPT), and the Test of Understanding Graphs in Kinematics (TUG-K) were used for quantitative data collection. Classroom observations were made to acquire ideas about classroom environment and instructional techniques. Factor analysis, simple linear correlation, multiple linear regression, and descriptive statistics were used to analyze the quantitative data. Each instrument has two principal components. The selection and calculation of the slope and of the area were the two principal components of TUG-K. MIPT was composed of a component based upon processing text and a second component based upon processing symbolic information. The Purdue Spatial Visualization Test was composed of a component based upon one-step processing and a second component based upon two-step processing of information. Student ability to determine the slope in a kinematics graph was significantly correlated with spatial ability, logical thinking, and mathematics aptitude and achievement. However, student ability to determine the area in a kinematics graph was only significantly correlated with student pre-calculus semester 2 grades. Male students performed significantly better than female students on the slope items of TUG-K. Also, male students performed significantly better than female students on the PSAT mathematics assessment and spatial ability. This study found that students have different levels of spatial ability, logical thinking, and mathematics aptitude and achievement levels. These different levels were related to student learning of kinematics and they need to be considered when kinematics is being taught. It might be easier for students to understand the kinematics graphs if curriculum developers include more activities related to spatial ability and logical thinking.

Bubble-fusion professor loses faculty post

NASA Astrophysics Data System (ADS)

Gwynne, Peter

2008-10-01

Purdue University in the US has announced that Rusi Taleyarkhan - who was found guilty of scientific misconduct by the university in July - will lose his title of Al Bement Jr Professor of Nuclear Engineering and will not be able to advise graduate students for at least three years. Purdue has also denied an appeal from the researcher about the misconduct verdict.

Transitioning to the Polytechnic: The Game Development Aspect

ERIC Educational Resources Information Center

Gusev, Dmitri A.; Swanson, Dewey A.

2017-01-01

Facing the need to introduce new approaches to teaching the art of programming to undergraduate Computer and Information Technology (CIT) students as part of the transition of the former Purdue College of Technology to the novel concept and status of Purdue Polytechnic, we came up with the idea of offering a pilot 300-level course entitled…

Jonathan W. Amy and the Amy Facility for Instrumentation Development.

PubMed

Cooks, R Graham

2017-05-16

This Perspective describes the unique Jonathan Amy Facility for Chemical Instrumentation in the Department of Chemistry at Purdue University, tracing its history and mode of operation. It also describes aspects of the career of its namesake and some of his insights which have been central to analytical instrumentation development, improvement, and utilization, both at Purdue and nationally.

Writing Center Work Bridging Boundaries: An Interview with Muriel Harris

ERIC Educational Resources Information Center

Threadgill, Elizabeth

2010-01-01

This article presents an interview with Dr. Muriel Harris who is considered as one of the most influential figures in writing center research and practice for over three decades. She is currently Professor Emerita of English at Purdue University. She founded The Purdue Writing Center which she directed from 1976 until 2003. She also founded…

The Gang's All Here: Grammar Goes Global for Purdue, Unisa and Adelaide University

ERIC Educational Resources Information Center

Duff, Andrea; Spangenberg, Brady; Carter, Susanna; Miller, Julia

2010-01-01

The University of South Australia and Purdue University (Indiana) launched the "Grammar Gang Blog" in June 2008, as a collaborative forum for talking about language. The blog reaches a far-flung community of learners from Australia to the United States, Brisbane to Bangalore and Ghana to Germany. The Grammar Gang--where Owls meet…

The Purdue Elementary Problem-Solving Inventory (PEPSI), Grade Level, and Socioeconomic Status: A Preliminary Study.

ERIC Educational Resources Information Center

Cox, David W.

1985-01-01

The effects of grade level and socioeconomic status upon Purdue Elementary Problem-Solving Inventory (PEPSI) scores were investigated with 123 elementary students. It was concluded that the PEPSI is usable with most grade two through grade six pupils at both lower and middle socioeconomic levels, and has potential utility in teaching…

Tools to Use in an Information Technology Class--and Best of All They Are FREE!

ERIC Educational Resources Information Center

Swanson, Dewey; Gusev, Dmitri A.

2016-01-01

Purdue Polytechnic has several locations in the state of Indiana offering students a chance to get a Purdue degree. The Computer and Information Technology (CIT) department offers the CIT degree at three sites in Indiana: Anderson, Columbus and Kokomo. CIT offers several potential majors including Cybersecurity, Network Engineering, Systems…

The Audio-Tutorial Approach to Learning Through Independent Study and Integrated Experiences.

ERIC Educational Resources Information Center

Postlethwait, S. N.; And Others

The rationale of the integrated experience approach to teaching botany at Purdue University is given and the history of the audio-tutorial course at Purdue and its present organization are described. A sample week's unit of study is given, including transcription of the tape, reproduction of printed materials and photographs of other materials…

Impact of the Purdue University School of Veterinary Medicine's Boiler Vet Camp on participants' knowledge of veterinary medicine.

PubMed

Weisman, James L; Amass, Sandra F; Warren, Joshua D

2011-04-01

To assess whether Boiler Vet Camp, a 7-day residential summer camp for students entering eighth or ninth grade in the fall, would increase participants' understanding of career options in the veterinary profession, increase understanding of the science of veterinary medicine, or increase the number of students stating that they intended to apply to the Purdue University School of Veterinary Medicine. Survey. 48 individuals attending the 2009 Boiler Vet Camp. Information on participant demographics was obtained from camp applications. A questionnaire was administered on the first and sixth days of camp, and results were analyzed to identify changes in responses over time. More campers correctly answered questions designed to evaluate knowledge of the veterinary profession and 10 of 12 questions designed to evaluate specific knowledge of the science of veterinary medicine on day 6, compared with day 1. Remarkable differences were not observed among gender or race-ethnicity groups for these questions. There was no significant difference between percentages of campers who stated that they would apply to Purdue before and after camp. Significantly more Caucasian campers stated they would apply to Purdue on both day 1 and day 6, compared with campers from under-represented minority groups. Results indicated that the Boiler Vet Camp accomplished 2 of its 3 planned objectives, suggesting that such camps can be successfully used to increase knowledge of the veterinary profession among middle school students. Reasons for the low percentage of participants from underrepresented minorities who indicated they would apply to the Purdue University School of Veterinary Medicine require further exploration.

An Analysis of Selected Data Practices: A Case Study of the Purdue College of Agriculture

ERIC Educational Resources Information Center

Pouchard, Line; Bracke, Marianne Stowell

2016-01-01

This paper describes a survey of data practices given to the Purdue College of Agriculture. Data practices are a concern for many researchers with new governmental funding mandates that require data management plans, and for the institution providing resources to comply with these mandates. The survey attempted to answer these questions: What are…

Energy Storage News | Transportation | Transportation Research | NREL

Science.gov Websites

NREL/Purdue team's corresponding article, "Secondary-Phase Stochastics in Lithium-Ion Battery by NREL and NASA, the Battery ISC Device revolutionizes the way lithium-ion (Li-ion) batteries are collaboration with Purdue University's School of Mechanical Engineering has yielded new insights for lithium-ion

Thirteenth Annual Acquisition Research Symposium. Acquisition Research: Creating Synergy for Informed Change. Volume 2

DTIC Science & Technology

2016-04-30

Each contractor completed a flight test and a Preliminary Design Review (PDR). The program’s four critical technologies were all approaching...School of Aeronautics and Astronautics at Purdue University specializing in the field of aerospace systems. His research interests center on design ...of Aeronautics and Astronautics, Purdue University, where he has been on the faculty since 1995. His research and teaching interests focus on design

Assessment of the Flammability of Aircraft Hydraulic Fluids

DTIC Science & Technology

1979-07-01

and C. Y. Ito, Editors, " Thermophysical Properties of Selected Aerospace Materials," Part 1, Thermal Radiation Properties , Purdue University., 1976...34 Thermophysical Properties of Selected Aerospace Materials," Part 1, Thermal Radiation Properties , Purdue University, 1976. 9. J. M. Kuchta, "Summary of...propagation properties , and heats of combustion of a number of aircraft fluids. These included currently used (cont’d) FtORM DD I JAN 7 1473 EDITION

Initial results on computational performance of Intel Many Integrated Core (MIC) architecture: implementation of the Weather and Research Forecasting (WRF) Purdue-Lin microphysics scheme

NASA Astrophysics Data System (ADS)

Mielikainen, Jarno; Huang, Bormin; Huang, Allen H.

2014-10-01

Purdue-Lin scheme is a relatively sophisticated microphysics scheme in the Weather Research and Forecasting (WRF) model. The scheme includes six classes of hydro meteors: water vapor, cloud water, raid, cloud ice, snow and graupel. The scheme is very suitable for massively parallel computation as there are no interactions among horizontal grid points. In this paper, we accelerate the Purdue Lin scheme using Intel Many Integrated Core Architecture (MIC) hardware. The Intel Xeon Phi is a high performance coprocessor consists of up to 61 cores. The Xeon Phi is connected to a CPU via the PCI Express (PICe) bus. In this paper, we will discuss in detail the code optimization issues encountered while tuning the Purdue-Lin microphysics Fortran code for Xeon Phi. In particularly, getting a good performance required utilizing multiple cores, the wide vector operations and make efficient use of memory. The results show that the optimizations improved performance of the original code on Xeon Phi 5110P by a factor of 4.2x. Furthermore, the same optimizations improved performance on Intel Xeon E5-2603 CPU by a factor of 1.2x compared to the original code.

Purdue Rare Isotope Measurement Laboratory

NASA Astrophysics Data System (ADS)

Caffee, M.; Elmore, D.; Granger, D.; Muzikar, P.

2002-12-01

The Purdue Rare Isotope Measurement Laboratory (PRIME Lab) is a dedicated research and service facility for accelerator mass spectrometry. AMS is an ultra-sensitive analytical technique used to measure low levels of long-lived cosmic-ray-produced and anthropogenic radionuclides, and rare trace elements. We measure 10Be (T1/2 = 1.5 My), 26Al (.702 My), 36Cl (.301 My), and 129I (16 My), in geologic samples. Applications include dating the cosmic-ray-exposure time of rocks on Earth's surface, determining rock and sediment burial ages, measuring the erosion rates of rocks and soils, and tracing and dating ground water. We perform sample preparation and separation chemistries for these radio-nuclides for our internal research activities and for those external researchers not possessing this capability. Our chemical preparation laboratories also serve as training sites for members of the geoscience community developing these techniques at their institutions. Research at Purdue involves collaborators among members of the Purdue Departments of Physics, Earth and Atmospheric Sciences, Chemistry, Agronomy, and Anthropology. We also collaborate and serve numerous scientists from other institutions. We are currently in the process of modernizing the facility with the goals of higher precision for routinely measured radio-nuclides, increased sample throughput, and the development of new measurement capabilities for the geoscience community.

The design of a long range megatransport aircraft

NASA Technical Reports Server (NTRS)

Weisshaar, Terrence A.; Allen, Carl L.

1992-01-01

During the period from August 1991 - June 1992 two design classes at Purdue University participated in the design of a long range, high capacity transport aircraft, dubbed the megatransport. Thirteen Purdue design teams generated RFP's that defined passenger capability and range, based upon team perception of market needs and infrastructure constraints. Turbofan engines were designed by each group to power these aircraft. The design problem and the variety of solutions developed are described in an attached paper.

In Vivo Testing of Chemopreventive Agents Using the Dog Model of Spontaneous Prostate Carcinogenesis

DTIC Science & Technology

2003-03-01

Carcinogenesis 6. AUTHOR(S) David J. Waters, Ph.D., DVM 7. PERFORMING ORGANIZATION NAME (S) AND ADDRESS(ES) S. PERFORMING ORGANIZATION Purdue Research...Foundation REPORT NUMBER West Lafayette, IN 47907-1021 E-Mail: waters@vet .purdue .edu 9. SPONSORING / MONITORING 10. SPONSORING I MONITORING AGENCY NAME (S...commercial organizations and trade names in this report do not constitute an official Department of Army endorsement or approval of the products or services

Final Technical Report summarizing Purdue research activities as part of the DOE JET Topical Collaboration

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

Molnar, Denes

2015-09-01

This report summarizes research activities at Purdue University done as part of the DOE JET Topical Collaboration. These mainly involve calculation of covariant radiative energy loss in the (Djordjevic-)Gyulassy-Levai-Vitev ((D)GLV) framework for relativistic A+A reactions at RHIC and LHC energies using realistic bulk medium evolution with both transverse and longitudinal expansion. The single PDF file provided also includes a report from the entire JET Collaboration.

What's Wrong with the Tap? Examining Perceptions of Tap Water and Bottled Water at Purdue University

NASA Astrophysics Data System (ADS)

Saylor, Amber; Prokopy, Linda Stalker; Amberg, Shannon

2011-09-01

The environmental impacts of bottled water prompted us to explore drinking water choices at Purdue University, located in West Lafayette, IN. A random sample of 2,045 Purdue University students, staff, and faculty was invited to participate in an online survey. The survey assessed current behaviors as well as perceived barriers and benefits to drinking tap water versus bottled water. 677 surveys were completed for a response rate of 33.1%. We then conducted qualitative interviews with a purposive sample of university undergraduates ( n = 21) to obtain contextual insights into the survey results and the beliefs of individuals with a variety of drinking water preferences. This study revealed that women drink disproportionately more bottled water then men while undergraduate students drink more than graduate students, staff and faculty. The study also uncovered a widespread belief that recycling eliminates the environmental impacts of bottled water. Important barriers to drinking tap water at Purdue include: perceived risks from tap water and the perceived safety of bottled water, preferring the taste of bottled water, and the convenience of drinking bottled water. The qualitative interviews revealed that drinking water choices can be influenced by several factors—especially whether individuals trust tap water to be clean—but involve varying levels of complexity. The implications of these results for social marketing strategies to promote tap water are discussed.

What's wrong with the tap? Examining perceptions of tap water and bottled water at Purdue University.

PubMed

Saylor, Amber; Prokopy, Linda Stalker; Amberg, Shannon

2011-09-01

The environmental impacts of bottled water prompted us to explore drinking water choices at Purdue University, located in West Lafayette, IN. A random sample of 2,045 Purdue University students, staff, and faculty was invited to participate in an online survey. The survey assessed current behaviors as well as perceived barriers and benefits to drinking tap water versus bottled water. 677 surveys were completed for a response rate of 33.1%. We then conducted qualitative interviews with a purposive sample of university undergraduates (n = 21) to obtain contextual insights into the survey results and the beliefs of individuals with a variety of drinking water preferences. This study revealed that women drink disproportionately more bottled water then men while undergraduate students drink more than graduate students, staff and faculty. The study also uncovered a widespread belief that recycling eliminates the environmental impacts of bottled water. Important barriers to drinking tap water at Purdue include: perceived risks from tap water and the perceived safety of bottled water, preferring the taste of bottled water, and the convenience of drinking bottled water. The qualitative interviews revealed that drinking water choices can be influenced by several factors-especially whether individuals trust tap water to be clean-but involve varying levels of complexity. The implications of these results for social marketing strategies to promote tap water are discussed.

The Effect of Added AL2O3 on the Propagation Behavior of an Al/CuO Nanoscale Thermite

DTIC Science & Technology

2008-01-01

Malchi a, Richard A. Yetter a,*, T. J. Foley b, and Steven F. Son c a The Pennsylvania State University, University Park, PA, USA b Los Alamos National...Laboratory, Los Alamos, NM, USA c Purdue University, West Lafayette, IN, USA U. S. Army Research Office P.O. Box 12211 Research Triangle Park, NC...Pennsylvania State University, University Park, PA, USA b Los Alamos National Laboratory, Los Alamos, NM, USA c Purdue University, West Lafayette, IN, USA

Surface Modification and Nanojunction Fabrication with Molecular Wires

DTIC Science & Technology

2016-11-02

currently valid OMB control number. PLEASE DO NOT RETURN YOUR FORM TO THE ABOVE ORGANIZATION . 1. REPORT DATE (DD-MM-YYYY)      02-11-2016 2. REPORT TYPE...NUMBER 5f.  WORK UNIT NUMBER 7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) PURDUE UNIV LAFAYETTE IN 610 Purdue Mall WEST LAFAYETTE, IN 47907-2051 US...8. PERFORMING ORGANIZATION REPORT NUMBER 9. SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES) AOARD UNIT 45002 APO AP 96338-5002 10. SPONSOR

Stochastic Models for Closed Boundary Analysis: Part I. Representation and Reconstruction.

DTIC Science & Technology

1980-07-01

discussed. In a subsequent paper we will consider the classification problem. C> * School of Electrical Engineering, Purdue University, West Lafayette, IN...1972. 2. T. S. Huang, "Coding of Two Tone Images," TR EE 77-10, School of Elec. Engr., Purdue University, W. Lafeyette, IN 47907. 3. A. Oosterlink, A...Jan. 1977. 5. A. Ambler et al., "A Versatile computer controlled assembly system," Third Intl. Conf. on Art . Intel., 1973, pp. 298-303. 6. C. Rosen

Photochemical Ignition Studies. 3. Ignition by Efficient and Resonant Multiphoton Photochemical Formation of Microplasmas

DTIC Science & Technology

1987-06-01

Fragments," Chem. Phys., Vol. 33, p. 161, 1978. 5. R.C. Sausa, A.J. Alfano , and A.W. Miziolek, "ArF Laser Photoproduction and Sensitive Detection of Carbon...Unlversity/APL Chemical Propulsion I Purdue University Information Agency Department of Chomistry ATTN: TW. Christian ATTN: H. Grant Johns Hopkins...of Chemistry ATTN: T.W. Christian ATTN: E. Grant Johns Hopkins Road West Lafayette, IN 47906 Laurel, MD 20707 2 Purdue University University of

Traveling Crossow Instability for HIFiRE-5 in a Quiet Hypersonic Wind Tunnel (Postprint)

DTIC Science & Technology

2013-06-01

scale model of the 2:1 elliptic cone HIFiRE-5 flight vehicle was used to investigate the traveling crossflow instability at Mach 6 in Purdue...Force Research Laboratory, Air Vehicles Directorate 2130 8th St., WPAFB, OH 45433-7542, USA Abstract A scale model of the 2:1 elliptic cone HIFiRE-5...flight vehicle was used to investigate the traveling crossflow instability at Mach 6 in Purdue University’s Mach-6 quiet wind tunnel. Traveling crossflow

Analysis of Dependencies and Impacts of Metroplex Operations

NASA Technical Reports Server (NTRS)

DeLaurentis, Daniel A.; Ayyalasomayajula, Sricharan

2010-01-01

This report documents research performed by Purdue University under subcontract to the George Mason University (GMU) for the Metroplex Operations effort sponsored by NASA's Airportal Project. Purdue University conducted two tasks in support of the larger efforts led by GMU: a) a literature review on metroplex operations followed by identification and analysis of metroplex dependencies, and b) the analysis of impacts of metroplex operations on the larger U.S. domestic airline service network. The tasks are linked in that the ultimate goal is an understanding of the role of dependencies among airports in a metroplex in causing delays both locally and network-wide. The Purdue team has formulated a system-of-systems framework to analyze metroplex dependencies (including simple metrics to quantify them) and develop compact models to predict delays based on network structure. These metrics and models were developed to provide insights for planners to formulate tailored policies and operational strategies that streamline metroplex operations and mitigate delays and congestion.

Purdue ionomics information management system. An integrated functional genomics platform.

PubMed

Baxter, Ivan; Ouzzani, Mourad; Orcun, Seza; Kennedy, Brad; Jandhyala, Shrinivas S; Salt, David E

2007-02-01

The advent of high-throughput phenotyping technologies has created a deluge of information that is difficult to deal with without the appropriate data management tools. These data management tools should integrate defined workflow controls for genomic-scale data acquisition and validation, data storage and retrieval, and data analysis, indexed around the genomic information of the organism of interest. To maximize the impact of these large datasets, it is critical that they are rapidly disseminated to the broader research community, allowing open access for data mining and discovery. We describe here a system that incorporates such functionalities developed around the Purdue University high-throughput ionomics phenotyping platform. The Purdue Ionomics Information Management System (PiiMS) provides integrated workflow control, data storage, and analysis to facilitate high-throughput data acquisition, along with integrated tools for data search, retrieval, and visualization for hypothesis development. PiiMS is deployed as a World Wide Web-enabled system, allowing for integration of distributed workflow processes and open access to raw data for analysis by numerous laboratories. PiiMS currently contains data on shoot concentrations of P, Ca, K, Mg, Cu, Fe, Zn, Mn, Co, Ni, B, Se, Mo, Na, As, and Cd in over 60,000 shoot tissue samples of Arabidopsis (Arabidopsis thaliana), including ethyl methanesulfonate, fast-neutron and defined T-DNA mutants, and natural accession and populations of recombinant inbred lines from over 800 separate experiments, representing over 1,000,000 fully quantitative elemental concentrations. PiiMS is accessible at www.purdue.edu/dp/ionomics.

Using existing programs as vehicles to disseminate knowledge, provide opportunities for scientists to assist educators, and to engage students in using real data

NASA Astrophysics Data System (ADS)

Smith, S. C.; Wegner, K.; Branch, B. D.; Miller, B.; Schulze, D. G.

2013-12-01

Many national and statewide programs throughout the K-12 science education environment teach students about science in a hands-on format, including programs such as Global Learning and Observations to Benefit the Environment (GLOBE), Project Learning Tree (PLT), Project Wild, Project Wet, and Hoosier River Watch. Partnering with one or more of these well-known programs can provide many benefits to both the scientists involved in disseminating research and the K-12 educators. Scientists potentially benefit by broader dissemination of their research by providing content enrichment for educators. Educators benefit by gaining understanding in content, becoming more confident in teaching the concept, and increasing their enthusiasm in teaching the concepts addressed. This presentation will discuss an innovative framework for professional development that was implemented at Purdue University, Indiana in July 2013. The professional development incorporated GLOBE protocols with iPad app modules and interactive content sessions from faculty and professionals. By collaborating with the GLOBE program and scientists from various content areas, the Department of Earth, Atmospheric, and Planetary Sciences at Purdue University successfully facilitated a content rich learning experience for educators. Such activity is promoted and supported by Purdue University Libraries where activities such as Purdue's GIS Day are efforts of making authentic learning sustainable in the State of Indiana and for national consideration. Using iPads to visualize soil transitions on a field trip. Testing Water quality in the field.

On Subset Selection Procedures for Poisson Processes and Some Applications to the Binomial and Multinomial Problems

DTIC Science & Technology

1976-07-01

PURDUE UNIVERSITY DEPARTMENT OF STATISTICS DIVISION OF MATHEMATICAL SCIENCES ON SUBSET SELECTION PROCEDURES FOR POISSON PROCESSES AND SOME...Mathematical Sciences Mimeograph Series #457, July 1976 This research was supported by the Office of Naval Research under Contract NOOO14-75-C-0455 at Purdue...11 CON PC-111 riFIC-F ,A.F ANO ADDPFS Office of INaval ResearchJu#07 Washington, DC07 36AE 14~~~ rjCr; NF A ’ , A FAA D F 6 - I S it 9 i 1, - ,1 I

A Centralized Source of Information for the Military Working Dog Program

DTIC Science & Technology

1990-06-01

USA B.S., Purdue University, 1975 MS., Oklahoma State University, 1978 D TIC D.V.M., Colorado State University, 1982 NOV2 6 1990 SI D Fort...FROST, MAJ, USA D A"C "BU~n ancno un ced i B.S., Purdue University, 1975 aUsti c tio M.S., Oklahoma State University, 1978 - D.V.M., Colorado State...19-35: 2, 11-27; Thorton). Narcotic Detector Dog - A MWD trained specifically to detect the presence of marijuana and its derivatives. They are also

Low Speed, 2-D Rotor/Stator Active Noise Control at the Source Demonstration

NASA Technical Reports Server (NTRS)

Simonich, John C.; Kousen, Ken A.; Zander, Anthony C.; Bak, Michael; Topol, David A.

1997-01-01

Wake/blade-row interaction noise produced by the Annular Cascade Facility at Purdue University has been modeled using the LINFLO analysis. Actuator displacements needed for complete cancellation of the propagating acoustic response modes have been determined, along with the associated actuator power requirements. As an alternative, weighted least squares minimization of the total far-field sound power using individual actuators has also been examined. Attempts were made to translate the two-dimensional aerodynamic results into three-dimensional actuator requirements. The results lie near the limit of present actuator technology. In order to investigate the concept of noise control at the source for active rotor/stator noise control at the source, various techniques for embedding miniature actuators into vanes were examined. Numerous miniature speaker arrangements were tested and analyzed to determine their suitability as actuators for a demonstration test in the Annular Cascade Facility at Purdue. The best candidates demonstrated marginal performance. An alternative concept to using vane mounted speakers as control actuators was developed and tested. The concept uses compression drivers which are mounted externally to the stator vanes. Each compression driver is connected via a tube to an air cavity in the stator vane, from which the driver signal radiates into the working section of the experimental rig. The actual locations and dimensions of the actuators were used as input parameters for a LINFLO computational analysis of the actuator displacements required for complete cancellation of tones in the Purdue experimental rig. The actuators were designed and an arrangement determined which is compatible with the Purdue experimental rig and instrumentation. Experimental tests indicate that the actuators are capable of producing equivalent displacements greater than the requirements predicted by the LINFLO analysis. The acoustic output of the actuators was also found to be unaffected by the presence of air flow representative of the Purdue experimental rig. A test of the active noise control at the source concept for rotor/stator active noise control was demonstrated. This 2-D test demonstrated conclusively the simultaneous reduction of two acoustic modes. Reductions of over 10 dB were obtained over a wide operating range.

Economics of Utility Scale Photovoltaics at Purdue University

NASA Astrophysics Data System (ADS)

Arnett, William

The research for this case study shows that utility scale solar photovoltaics has become a competitive energy investment option, even when a campus operates a power plant at low electricity rates. To evaluate this an economic model called SEEMS (Solar Economic Evaluation Modelling Spreadsheets) was developed to evaluate a number of financial scenarios in Real Time Pricing for universities. The three main financing structures considered are 1) land leasing, 2) university direct purchase, and 3) third party purchase. Unlike other commercially available models SEEMS specifically accounts for real time pricing, where the local utility provides electricity at an hourly rate that changes with the expected demand. In addition, SEEMS also includes a random simulation that allows the model to predict the likelihood of success for a given solar installation strategy. The research showed that there are several options for utility scale solar that are financially attractive. The most practical financing structure is with a third party partnership because of the opportunity to take advantage of tax incentives. Other options could become more attractive if non-financial benefits are considered. The case study for this research, Purdue University, has a unique opportunity to integrate utility-scale solar electricity into its strategic planning. Currently Purdue is updating its master plan which will define how land is developed. Purdue is also developing a sustainability plan that will define long term environmental goals. In addition, the university is developing over 500 acres of land west of campus as part of its Aerospace Innovation District. This research helps make the case for including utility-scale solar electricity as part of the university's strategic planning.

Purdue Ionomics Information Management System. An Integrated Functional Genomics Platform1[C][W][OA

PubMed Central

Baxter, Ivan; Ouzzani, Mourad; Orcun, Seza; Kennedy, Brad; Jandhyala, Shrinivas S.; Salt, David E.

2007-01-01

The advent of high-throughput phenotyping technologies has created a deluge of information that is difficult to deal with without the appropriate data management tools. These data management tools should integrate defined workflow controls for genomic-scale data acquisition and validation, data storage and retrieval, and data analysis, indexed around the genomic information of the organism of interest. To maximize the impact of these large datasets, it is critical that they are rapidly disseminated to the broader research community, allowing open access for data mining and discovery. We describe here a system that incorporates such functionalities developed around the Purdue University high-throughput ionomics phenotyping platform. The Purdue Ionomics Information Management System (PiiMS) provides integrated workflow control, data storage, and analysis to facilitate high-throughput data acquisition, along with integrated tools for data search, retrieval, and visualization for hypothesis development. PiiMS is deployed as a World Wide Web-enabled system, allowing for integration of distributed workflow processes and open access to raw data for analysis by numerous laboratories. PiiMS currently contains data on shoot concentrations of P, Ca, K, Mg, Cu, Fe, Zn, Mn, Co, Ni, B, Se, Mo, Na, As, and Cd in over 60,000 shoot tissue samples of Arabidopsis (Arabidopsis thaliana), including ethyl methanesulfonate, fast-neutron and defined T-DNA mutants, and natural accession and populations of recombinant inbred lines from over 800 separate experiments, representing over 1,000,000 fully quantitative elemental concentrations. PiiMS is accessible at www.purdue.edu/dp/ionomics. PMID:17189337

The 2-6 semiconductor superlattices

NASA Astrophysics Data System (ADS)

Gunshor, R. L.; Otsuka, N.

1992-12-01

The first operational semiconductor diode lasers were demonstrated in the summer of 1991 independently by two U.S. groups, one at 3M and the other a team effort shared by Purdue and Brown Universities. As a result of the close collaboration between MBE and TEM groups within the grant, the structures for lasing and LED (as well as display device) operation were realized with the lowest defect concentrations ever reported for 2-6 structures grown on GaAs by MBE. The reduction of the dislocation levels resulted from an iterative process where the growth could be modified in response to the TEM analysis. The AFOSR funded interface studies have led to our appreciation of the electrical and microstructural considerations obtaining at 2-6/3-5 heterovalent interfaces. As a result the Purdue/Brown group has had equal success in making laser diodes with substrates of both doping types. The Purdue/Brown collaboration has obtained CW operations at 77 K as well as pulsed operation at room temperature using a Zn(S,Se)-based device configuration emitting in the blue (490 nm at room temperature).

Conceptual Questions and Challenge Problems

NASA Astrophysics Data System (ADS)

Nurrenbern, Susan C.; Robinson, William R.

1998-11-01

The JCE Internet Conceptual Question and Challenge Problem Web site is a source of questions and problems that can be used in teaching and assessing conceptual understanding and problem solving in chemistry. Here you can find a library of free-response and multiple-choice conceptual questions and challenge problems, tips for writing these questions and problems, and a discussion of types of conceptual questions. This site is intended to be a means of sharing conceptual questions and challenge problems among chemical educators. This is a living site that will grow as you share conceptual questions and challenge problems and as we find new sources of information. We would like to make this site as inclusive as possible. Please share your questions and problems with us and alert us to references or Web sites that could be included on the site. You can use email, fax, or regular mail. Email: nurrenbern@purdue.edu or wrrobin@purdue.edu Fax: 765/494-0239 Mailing address: Susan C. Nurrenbern or William R. Robinson; Department of Chemistry; Purdue University; 1393 Brown Building; West Lafayette, IN 47907-1393. The Conceptual Questions and Challenge Problems Web site can be found here.

Tablet and Face-to-Face Hybrid Professional Development: Providing Earth Systems Science Educators Authentic Research Opportunities through The GLOBE Program at Purdue University

NASA Astrophysics Data System (ADS)

Wegner, K.; Branch, B. D.; Smith, S. C.

2013-12-01

The Global Learning and Observations to Benefit the Environment (GLOBE) program is a worldwide hands-on, primary and secondary school-based science and education program (www.globe.gov). GLOBE's vision promotes and supports students, teachers and scientists to collaborate on inquiry-based authentic science investigations of the environment and the Earth system working in close partnership with NASA, NOAA and NSF Earth System Science Projects (ESSP's) in study and research about the dynamics of Earth's environment. GLOBE Partners conduct face-to-face Professional Development in more than 110 countries, providing authentic scientific research experience in five investigation areas: atmosphere, earth as a system, hydrology, land cover, and soil. This presentation will provide a sample for a new framework of Professional Development that was implemented in July 2013 at Purdue University lead by Mr. Steven Smith who has tested GLOBE training materials for future training. The presentation will demonstrate how institutions can provide educators authentic scientific research opportunities through various components, including: - Carrying out authentic research investigations - Learning how to enter their authentic research data into the GLOBE database and visualize it on the GLOBE website - Learn how to access to NASA's Earth System Science resources via GLOBE's new online 'e-Training Program' - Exploring the connections of their soil protocol measurements and the history of the soil in their area through iPad soils app - LIDAR data exposure, Hydrology data exposure

Food, Environment, Engineering and Life Sciences Program (Invited)

NASA Astrophysics Data System (ADS)

Mohtar, R. H.; Whittaker, A.; Amar, N.; Burgess, W.

2009-12-01

Food, Environment, Engineering and Life Sciences Program Nadia Amar, Wiella Burgess, Rabi H. Mohtar, and Dale Whitaker Purdue University Correspondence: mohtar@purdue.edu FEELS, the Food, Environment, Engineering and Life Sciences Program is a grant of the National Science Foundation for the College of Agriculture at Purdue University. FEELS’ mission is to recruit, retain, and prepare high-achieving students with financial difficulties to pursue STEM (Science, Technology, Engineering, and Mathematics) careers. FEELS achieves its goals offering a scholarship of up to 10,000 per student each year, academic, research and industrial mentors, seminars, study tables, social and cultural activities, study abroad and community service projects. In year one, nine low-income, first generation and/or ethnic minority students joined the FEELS program. All 9 FEELS fellows were retained in Purdue’s College of Agriculture (100%) with 7 of 9 (77.7%) continuing to pursue STEM majors. FEELS fellows achieved an average GPA in their first year of 3.05, compared to the average GPA of 2.54 for low-income non- FEELS students in the College of Agriculture. A new cohort of 10 students joined the program in August 2009. FEELS fellows received total scholarships of nearly 50,000 for the 2008-2009 academic year. These scholarships were combined with a holistic program that included the following key elements: FEELS Freshman Seminars I and II, 2 study tables per week, integration activities and frequent meetings with FEELS academic mentors and directors. Formative assessments of all FEELS activities were used to enhance the first year curriculum for the second cohort. Cohort 1 will continue into their second year where the focus will be on undergraduate research. More on FEELS programs and activities: www.purdue.edu/feels.

21 CFR 864.2360 - Mycoplasma detection media and components.

Code of Federal Regulations, 2011 CFR

2011-04-01

... 21 Food and Drugs 8 2011-04-01 2011-04-01 false Mycoplasma detection media and components. 864.2360 Section 864.2360 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN... § 864.2360 Mycoplasma detection media and components. (a) Identification. Mycoplasma detection media and...

21 CFR 864.2360 - Mycoplasma detection media and components.

Code of Federal Regulations, 2014 CFR

2014-04-01

... 21 Food and Drugs 8 2014-04-01 2014-04-01 false Mycoplasma detection media and components. 864.2360 Section 864.2360 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN... § 864.2360 Mycoplasma detection media and components. (a) Identification. Mycoplasma detection media and...

21 CFR 864.2360 - Mycoplasma detection media and components.

Code of Federal Regulations, 2012 CFR

2012-04-01

... 21 Food and Drugs 8 2012-04-01 2012-04-01 false Mycoplasma detection media and components. 864.2360 Section 864.2360 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN... § 864.2360 Mycoplasma detection media and components. (a) Identification. Mycoplasma detection media and...

21 CFR 864.2360 - Mycoplasma detection media and components.

Code of Federal Regulations, 2013 CFR

2013-04-01

... 21 Food and Drugs 8 2013-04-01 2013-04-01 false Mycoplasma detection media and components. 864.2360 Section 864.2360 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN... § 864.2360 Mycoplasma detection media and components. (a) Identification. Mycoplasma detection media and...

Arthur Hansen: engineering education to fit the times

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

Not Available

Dr Hansen, president of Purdue University, reports that students are eager to try solving today's complex energy and environmental problems. He expressed his views on university students' aims during the 1960s and the resultant unrest, but believes that students of today are more mature and are working harder for tangible results. Part of the approach at Purdue, he says, is to provide students with an education that will help them survive social and technological changes. The main facets of the EPRI program are reviewed, pointing out the main reasons for its existence. ''Every student should have a basic knowledge ofmore » technology,'' Dr. Hansen says. (MCW)« less

21 CFR 864.2220 - Synthetic cell and tissue culture media and components.

Code of Federal Regulations, 2012 CFR

2012-04-01

... 21 Food and Drugs 8 2012-04-01 2012-04-01 false Synthetic cell and tissue culture media and... Products § 864.2220 Synthetic cell and tissue culture media and components. (a) Identification. Synthetic cell and tissue culture media and components are substances that are composed entirely of defined...

21 CFR 864.2220 - Synthetic cell and tissue culture media and components.

Code of Federal Regulations, 2014 CFR

2014-04-01

... 21 Food and Drugs 8 2014-04-01 2014-04-01 false Synthetic cell and tissue culture media and... Products § 864.2220 Synthetic cell and tissue culture media and components. (a) Identification. Synthetic cell and tissue culture media and components are substances that are composed entirely of defined...

21 CFR 864.2220 - Synthetic cell and tissue culture media and components.

Code of Federal Regulations, 2013 CFR

2013-04-01

... 21 Food and Drugs 8 2013-04-01 2013-04-01 false Synthetic cell and tissue culture media and... Products § 864.2220 Synthetic cell and tissue culture media and components. (a) Identification. Synthetic cell and tissue culture media and components are substances that are composed entirely of defined...

From Tomato King to World Food Prize laureate.

PubMed

Nelson, Philip E

2014-01-01

This autobiographical article describes my early years, education, and career at Purdue University. Helping form and expand the Department of Food Science at Purdue was exciting and gratifying, and working with students in the classroom and on research projects was rewarding and kept me feeling young. My research on bulk aseptic processing allowed me to help solve problems relevant to the tomato industry, but I learned later that it had much broader relevance. I certainly never expected the impact and visibility of the work to result in my being awarded the World Food Prize. Being the first food scientist to win this award has enabled me to focus increased attention on the need to reduce food losses.

Midwest Consortium for Wind Turbine Reliability and Optimization

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

Scott R. Dana; Douglas E. Adams; Noah J. Myrent

2012-05-11

This report provides an overview of the efforts aimed to establish a student focused laboratory apparatus that will enhance Purdue's ability to recruit and train students in topics related to the dynamics, operations and economics of wind turbines. The project also aims to facilitate outreach to students at Purdue and in grades K-12 in the State of Indiana by sharing wind turbine operational data. For this project, a portable wind turbine test apparatus was developed and fabricated utilizing an AirX 400W wind energy converter. This turbine and test apparatus was outfitted with an array of sensors used to monitor windmore » speed, turbine rotor speed, power output and the tower structural dynamics. A major portion of this project included the development of a data logging program used to display real-time sensor data and the recording and creation of output files for data post-processing. The apparatus was tested in an open field to subject the turbine to typical operating conditions and the data acquisition system was adjusted to obtain desired functionality to facilitate use for student projects in existing courses offered at Purdue University and Indiana University. Data collected using the data logging program is analyzed and presented to demonstrate the usefulness of the test apparatus related to wind turbine dynamics and operations.« less

Comparative analysis of discharges into Lake Michigan, Phase I - Southern Lake Michigan.

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

Veil, J. A.; Elcock, D.; Gasper, J. R.

2008-06-30

BP Products North America Inc. (BP) owns and operates a petroleum refinery located on approximately 1,700 acres in Whiting, East Chicago, and Hammond, Indiana, near the southern tip of Lake Michigan. BP provided funding to Purdue University-Calumet Water Institute (Purdue) and Argonne National Laboratory (Argonne) to conduct studies related to wastewater treatment and discharges. Purdue and Argonne are working jointly to identify and characterize technologies that BP could use to meet the previous discharge permit limits for total suspended solids (TSS) and ammonia after refinery modernization. In addition to the technology characterization work, Argonne conducted a separate project task, whichmore » is the subject of this report. In Phase I of a two-part study, Argonne estimated the current levels of discharge to southern Lake Michigan from significant point and nonpoint sources in Illinois, Indiana, and portions of Michigan. The study does not consider all of the chemicals that are discharged. Rather, it is narrowly focused on a selected group of pollutants, referred to as the 'target pollutants'. These include: TSS, ammonia, total and hexavalent chromium, mercury, vanadium, and selenium. In Phase II of the study, Argonne will expand the analysis to cover the entire Lake Michigan drainage basin.« less

78 FR 1247 - Certain Electronic Devices, Including Wireless Communication Devices, Tablet Computers, Media...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-01-08

... Wireless Communication Devices, Tablet Computers, Media Players, and Televisions, and Components Thereof... devices, including wireless communication devices, tablet computers, media players, and televisions, and... wireless communication devices, tablet computers, media players, and televisions, and components thereof...

Increasing student confidence in technical and professional skills through project based learning

NASA Astrophysics Data System (ADS)

Robinson, Alice L.

This work focuses on developing undergraduate students' technical and professional skills through a project-based spiral curriculum in the Agricultural & Biological Engineering department at Purdue that can be implemented campus wide. Through this curriculum, Purdue engineers will be prepared for leadership roles in responding to the global technological, economic, and societal challenges of the 21st century by exposure to the relationships between engineering and its impacts on real world needs and challenges. Project-based learning uses projects as the focus of instruction and has shown increased understanding, motivation, and confidence through application of engineering principles to real-world problems. The strength of a spiral curriculum is that it continually revisits basic ideas and themes with increasing complexity and sophistication. The proposed spiral curriculum incorporates the target attributes of the Purdue Engineer of 2020 through project based courses during sophomore, junior, and senior year. These courses will build on concepts taught during first year engineering as well. The Engineer of 2020 (NAE and Purdue) target attributes include strong technical and professional skills to solve societal and technological burdens. A prototype course has been developed, taught, and evaluated during the previous two fall semesters in the sophomore level of the Biological and Food Process Engineering curriculum. The target students met 3 hours a week in a traditional lecture setting plus 2 hours a week in a project based lab setting. The control group met only 3 hours a week in a traditional lecture setting. Peer and self assessment results from student surveys show increased confidence in every area surveyed. Focus groups revealed student reactions to the course. Students enjoyed the course but felt it difficult to handle ambiguity with project work. Future work includes course revisions to the content, assessment, and pedagogy of the prototype class, development of the remaining project courses in the curriculum, and increasing graduate student instruction in the courses to gain teaching and leadership experience.

PURDU-WINCOF: A computer code for establishing the performance of a fan-compressor unit with water ingestion

NASA Technical Reports Server (NTRS)

Leonardo, M.; Tsuchiya, T.; Murthy, S. N. B.

1982-01-01

A model for predicting the performance of a multi-spool axial-flow compressor with a fan during operation with water ingestion was developed incorporating several two-phase fluid flow effects as follows: (1) ingestion of water, (2) droplet interaction with blades and resulting changes in blade characteristics, (3) redistribution of water and water vapor due to centrifugal action, (4) heat and mass transfer processes, and (5) droplet size adjustment due to mass transfer and mechanical stability considerations. A computer program, called the PURDU-WINCOF code, was generated based on the model utilizing a one-dimensional formulation. An illustrative case serves to show the manner in which the code can be utilized and the nature of the results obtained.

An Overview of The Technology Assisted Dietary Assessment Project at Purdue University

PubMed Central

Khanna, Nitin; Boushey, Carol J.; Kerr, Deborah; Okos, Martin; Ebert, David S.; Delp, Edward J.

2011-01-01

In this paper, we describe the Technology Assisted Dietary Assessment (TADA) project at Purdue University. Dietary intake, what someone eats during the course of a day, provides valuable insights for mounting intervention programs for prevention of many chronic diseases such as obesity and cancer. Accurate methods and tools to assess food and nutrient intake are essential for research on the association between diet and health. An overview of our methods used in the TADA project is presented. Our approach includes the use of image analysis tools for identification and quantification of food that is consumed at a meal. Images obtained before and after foods are eaten are used to estimate the amount and type of food consumed. PMID:22020443

Effectiveness of an ethics course delivered in traditional and non-traditional formats.

PubMed

Feldhaus, Charles R; Fox, Patricia L

2004-04-01

This paper details a three-credit-hour undergraduate ethics course that was delivered using traditional, distance, and compressed formats. OLS 263: Ethical Decisions in Leadership is a 200-level course offered by the Department of Organizational Leadership and Supervision in the Purdue School of Engineering and Technology at Indiana University Purdue University Indianapolis (IUPUI). Students in engineering, technology, business, nursing, and other majors take the course. In an effort to determine student perceptions of course and instructor effectiveness, end-of-course student survey data were compared using data from traditional, distance, and compressed sections of the course. In addition, learning outcomes from the final course project were evaluated using a standardized assessment rubric and scores on the course project.

Cooperative Education: Academic Involvement.

ERIC Educational Resources Information Center

Davies, Geoffrey, Ed.; McClelland, Alan L., Ed.

1980-01-01

Presents short descriptions of cooperative education programs for chemistry students at Drexel University, Rochester Institute of Technology, The University of Tennessee at Knoxville, and Indiana-Purdue University at Indianapolis. (CS)

Gross and fine motor function in fibromyalgia and chronic fatigue syndrome.

PubMed

Rasouli, Omid; Fors, Egil A; Borchgrevink, Petter Chr; Öhberg, Fredrik; Stensdotter, Ann-Katrin

2017-01-01

This paper aimed to investigate motor proficiency in fine and gross motor function, with a focus on reaction time (RT) and movement skill, in patients with fibromyalgia (FM) and chronic fatigue syndrome (CFS) compared to healthy controls (HC). A total of 60 individuals (20 CFS, 20 FM, and 20 HC), age 19-49 years, participated in this study. Gross motor function in the lower extremity was assessed using a RT task during gait initiation in response to an auditory trigger. Fine motor function in the upper extremity was measured during a precision task (the Purdue Pegboard test) where the number of pins inserted within 30 s was counted. No significant differences were found between FM and CFS in any parameters. FM and CFS groups had significantly longer RT than HC in the gait initiation ( p =0.001, and p =0.004 respectively). In the Purdue Pegboard test, 20% in the FM group, 15% in the CFS groups, and 0% of HC group, scored below the threshold of the accepted performance. However, there were no significant differences between FM, CFS, and HC in this task ( p =0.12). Compared to controls, both CFS and FM groups displayed significantly longer RT in the gait initiation task. Generally, FM patients showed the worst results in both tests, although no group differences were found in fine motor control, according to the Purdue Pegboard test.

Essays on Social Media Fundraising and E-Commerce

ERIC Educational Resources Information Center

Tan, Xue

2017-01-01

This dissertation has two components: social media fundraising and e-commerce. The first component of social media fundraising discusses social media users' charitable content generation in essay 1 and charitable giving in essay 2. In essay 1, we examine how reciprocity of followees affects social influence on users' charitable content generation.…

Predictive Engineering Tools for Injection-Molded Long-Carbon-Fiber Thermoplastic Composites - Second FY 2015 Quarterly Report

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

Nguyen, Ba Nghiep; Fifield, Leonard S.; Kijewski, Seth A.

During the second quarter of FY 2015, the following technical progress has been made toward project milestones: 1) Autodesk reviewed 3D fiber orientation distribution (FOD) comparisons and provided support on improving accuracy. 2) Autodesk reviewed fiber length distribution (FLD) data comparisons and provided suggestions, assisted PNNL in FOD and FLD parameter settings optimization, and advised PNNL on appropriate through thickness thermal conductivity for improved frozen layer effect on FOD predictions. Autodesk also participated in project review meetings including preparations and discussions towards passing the go/no-go decision point. 3) Autodesk implemented an improved FOD inlet profile specification method through the partmore » thickness for 3D meshes and provided an updated ASMI research version to PNNL. 4) The University of Illinois (Prof. C.L. Tucker) provided Autodesk with ideas to improve fiber orientation modeling 5) Purdue University re-measured fiber orientation for the fast-fill 50wt% LCF/PA66 edge-gated plaque, and delivered the fiber orientation data for this plaque at the selected locations (named A, B, and C, Figure 1) to PNNL. Purdue also re-measured fiber orientation for locations A on the fast-fill 30wt% LCF/PP and 50wt% LCF/PA66 center-gated plaques, which exhibited anomalous fiber orientation behavior. 6) Purdue University conducted fiber length measurements and delivered the length data to PNNL for the purge materials (slow-fill 30wt% LCF/PP and 30wt% LCF/PA66 purge materials) and PlastiComp plaques selected on the go/no-go list for fiber length model validation (i.e., slow-fill edge-gated 30wt% LCF/PP and 30wt% LCF/PA66 plaques, Locations A, B, and C). 7) PNNL developed a method to recover intact carbon fibers from LCF/PA66 materials. Isolated fibers were shipped to Purdue for length distribution analysis. 8) PNNL completed ASMI mid-plane analyses for all the PlastiComp plaques defined on the go/no-go list for fiber orientation (FO) model validation and compared the predicted fiber orientations with the measured data provided by Purdue at Locations A, B, and C on these plaques. The 15% accuracy criterion based on evaluation of tensile and bending stiffness was used to assess the accuracy in fiber orientation predictions. 9) PNNL completed ASMI mid-plane analyses for all the PlastiComp plaques defined on the go/no-go list for fiber length distribution (FLD) model validation and compared the predicted length distributions with the measured data provided by Purdue at Locations A, B, and C on these plaques. The 15% accuracy criterion based on evaluation of tensile and bending stiffness was used to assess the accuracy in fiber orientation predictions. 10) PNNL tested the new ASMI version received from Autodesk in March 2015, examined and discussed 3D fiber orientation predictions for PlastiComp plaques. 11) PlastiComp, Inc. (PlastiComp), Toyota Research Institute North America (Toyota) and Magna Exteriors and Interiors Corporation (Magna) participated in discussions with team members on the go/no-go plan. Toyota continued the discussion with Magna on tool modification for molding the complex part in order to achieve the target fiber length in the part.« less

Improved HCP Reduction Using a New, All-Synthetic Depth Filtration Media Within an Antibody Purification Process.

PubMed

Nguyen, Hoang C; Langland, Amie L; Amara, John P; Dullen, Michael; Kahn, David S; Costanzo, Joseph A

2018-04-30

Biologic manufacturing processes typically employ clarification technologies like depth filtration to remove insoluble and soluble impurities. Conventional depth filtration media used in these processes contain naturally-derived components like diatomaceous earth and cellulose. These components may introduce performance variability and contribute extractable/leachable components like beta-glucans that could interfere with limulus amebocyte lysate endotoxin assays. Recently a novel, all-synthetic depth filtration media is developed (Millistak+ ® HC Pro X0SP) that may improve process consistency, efficiency, and drug substance product quality by reducing soluble process impurities. This new media is evaluated against commercially available benchmark filters containing naturally-derived components (Millistak+ ® HC X0HC and B1HC). Using model proteins, the synthetic media demonstrates increased binding capacity of positively charged proteins (72-126 mg g -1 media) compared to conventional media (0.3-8.6 mg g -1 media); and similar values for negatively charged species (1.3-5.6 mg g -1 media). Several CHO-derived monoclonal antibodies (mAbs) or mAb-like molecules are also evaluated. The X0SP filtration performance behaves similarly to benchmarks, and exhibits improved HCP reduction (at least 50% in 55% of cases tested). X0SP filtrates contained increased silicon extractables relative to benchmarks, but these were readily removed downstream. Finally, the X0SP devices demonstrates suitable lot-to-lot robustness when specific media components are altered intentionally to manufacturing specification limits. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

A Library approach to establish an Educational Data Curation Framework (EDCF) that supports K-12 data science sustainability

NASA Astrophysics Data System (ADS)

Branch, B. D.; Wegner, K.; Smith, S.; Schulze, D. G.; Merwade, V.; Jung, J.; Bessenbacher, A.

2013-12-01

It has been the tradition of the libraries to support literacy. Now in the realm of Executive Order, Making Open and Machine Readable the New Default for Government Information, May 9, 2013, the library has the responsibility to support geospatial data, big data, earth science data or cyber infrastructure data that may support STEM for educational pipeline stimulation. (Such information can be found at http://www.whitehouse.gov/the-press-office/2013/05/09/executive-order-making-open-and-machine-readable-new-default-government-.) Provided is an Educational Data Curation Framework (EDCF) that has been initiated in Purdue research, geospatial data service engagement and outreach endeavors for future consideration and application to augment such data science and climate literacy needs of future global citizens. In addition, this endorsement of this framework by the GLOBE program may facilitate further EDCF implementations, discussion points and prototypes for libraries. In addition, the ECDF will support teacher-led, placed-based and large scale climate or earth science learning systems where such knowledge transfer of climate or earth science data is effectively transferred from higher education research of cyberinfrastructure use such as, NOAA or NASA, to K-12 teachers and school systems. The purpose of this effort is to establish best practices for sustainable K-12 data science delivery system or GLOBE-provided system (http://vis.globe.gov/GLOBE/) where libraries manage the data curation and data appropriateness as data reference experts for such digital data. Here, the Purdue University Libraries' GIS department works to support soils, LIDAR and water science data experiences to support teacher training for an EDCF development effort. Lastly, it should be noted that the interdisciplinary collaboration and demonstration of library supported outreach partners and national organizations such the GLOBE program may best foster EDCF development. This trend in data science where library roles may emerge is consistent with NASA's wavelength program at http://nasawavelength.org. Mr. Steven Smith, an outreach coordinator, led this Purdue University outreach activity involving the GLOBE program with support by the Purdue University Libraries GIS department.

Wintertime Emission Ratios of CO2 and NOy from Washington, D.C.-Baltimore

NASA Astrophysics Data System (ADS)

Salmon, O. E.; Shepson, P. B.; Ren, X.; Stirm, B. H.; Brown, S. S.; Fibiger, D. L.; Thornton, J. A.; Dickerson, R. R.; McDuffie, E. E.; Gurney, K. R.

2016-12-01

Cities are known to be key emitters of the combustion products carbon dioxide (CO2) and nitrogen oxides (NOx=NO+NO2), as a result of spatially concentrated combustion sources from the transportation sector and electric energy generating stations. Wintertime in mid-latitude cities provides a unique environment for these species to accumulate and react. Fewer daylight hours of relatively weak radiation, along with lower temperatures, can lead to slower oxidation of NOx, which influences the partitioning of total reactive nitrogen (NOy; the sum of NOx, NO3, N2O5, ClNO2, HNO3, acyl peroxy nitrates, and alkyl nitrates). The altered photochemical lifetimes of these reactive nitrogen species can result in unique chemistry and transport, altering the oxidizing capacity of the atmosphere within the city, and downwind of it as well. A collaborative study, employing three airborne platforms, named the Wintertime INvestigation of Transport, Emissions, and Reactivity (WINTER) was conducted in the northeastern United States in 2015 to investigate these cold season trends. Recent studies have suggested national inventories overestimate NOx emissions. We estimate city-wide emission rates of NOy from the Washington, D.C.-Baltimore area, and report their magnitude as emission factors relative to CO2. The University of Maryland's (UMD) 402B research Cessna and Purdue University's Airborne Laboratory for Atmospheric Research were instrumented to measure CO2, NO2, and other gaseous species. Measurements of NOy, and partitioning of its constituent species, were conducted from the NCAR C-130. NOy mixing ratios were estimated from the UMD and Purdue NO2 measurements using the C-130 measurements of NO2:NOy, a ratio whose magnitude is a function of time since emission from the cities. The Purdue and UMD mass balance flights around Washington, D.C.-Baltimore allow for the determination of the urban area's downwind enhancement in CO2 and estimated NOy. The urban enhancements in these gases are multiplied by the perpendicular wind speed to give the total emission rate. Here we compare our absolute NOy emission rates and the relative NOy:CO2 emission ratios from the UMD and Purdue flights to inventory estimates.

Gross and fine motor function in fibromyalgia and chronic fatigue syndrome

PubMed Central

Rasouli, Omid; Fors, Egil A; Borchgrevink, Petter Chr; Öhberg, Fredrik; Stensdotter, Ann-Katrin

2017-01-01

Purpose This paper aimed to investigate motor proficiency in fine and gross motor function, with a focus on reaction time (RT) and movement skill, in patients with fibromyalgia (FM) and chronic fatigue syndrome (CFS) compared to healthy controls (HC). Methods A total of 60 individuals (20 CFS, 20 FM, and 20 HC), age 19–49 years, participated in this study. Gross motor function in the lower extremity was assessed using a RT task during gait initiation in response to an auditory trigger. Fine motor function in the upper extremity was measured during a precision task (the Purdue Pegboard test) where the number of pins inserted within 30 s was counted. Results No significant differences were found between FM and CFS in any parameters. FM and CFS groups had significantly longer RT than HC in the gait initiation (p=0.001, and p=0.004 respectively). In the Purdue Pegboard test, 20% in the FM group, 15% in the CFS groups, and 0% of HC group, scored below the threshold of the accepted performance. However, there were no significant differences between FM, CFS, and HC in this task (p=0.12). Conclusion Compared to controls, both CFS and FM groups displayed significantly longer RT in the gait initiation task. Generally, FM patients showed the worst results in both tests, although no group differences were found in fine motor control, according to the Purdue Pegboard test. PMID:28223840

21 CFR 864.2220 - Synthetic cell and tissue culture media and components.

Code of Federal Regulations, 2010 CFR

2010-04-01

... 21 Food and Drugs 8 2010-04-01 2010-04-01 false Synthetic cell and tissue culture media and... HUMAN SERVICES (CONTINUED) MEDICAL DEVICES HEMATOLOGY AND PATHOLOGY DEVICES Cell And Tissue Culture Products § 864.2220 Synthetic cell and tissue culture media and components. (a) Identification. Synthetic...

77 FR 68829 - Certain Electronic Digital Media Devices and Components Thereof; Notice of Request for Statements...

Federal Register 2010, 2011, 2012, 2013, 2014

2012-11-16

... INTERNATIONAL TRADE COMMISSION [Investigation No. 337-TA-796] Certain Electronic Digital Media... electronic digital media devices and components thereof imported by respondents Samsung Electronics Co, Ltd... Samsung. FOR FURTHER INFORMATION CONTACT: Cathy Chen, Office of the General Counsel, U.S. International...

Media Literacy: A Central Component of Democratic Citizenship

ERIC Educational Resources Information Center

Burroughs, Susie; Brocato, Kay; Hopper, Peggy F.; Sanders, Angela

2009-01-01

Educators from Europe, Latin America, and the United States convened to explore issues inherent in democratic citizenship. Media literacy, a central component of democratic citizenship, was studied in depth. Data from the camp were examined for evidence of the participants' understandings of media literacy and how it might be taught. Results…

Julian Schwinger and the Source Theory

Science.gov Websites

existing (operator) field theory to describe the new experimental discoveries in high energy particle , Purdue University 1964 National Medal of Science Top Some links on this page may take you to non-federal

Improving energy efficiency of facilities.

DOT National Transportation Integrated Search

2016-10-01

The Indiana Department of Transportation (INDOT) has entered into an agreement with the Purdue University Manufacturing Extension Partnership (MEP) to perform energy assessments on six sites. The six sites were selected to represent a variety of type...

Student Attitudes: A Study of Social Class

ERIC Educational Resources Information Center

Hardy, Clifford A.

1976-01-01

Student attitudes toward current controversial problems (bussing for racial integration, legalization of abortion, and legalization of marijuana) were studied with regard to social class. The 1960 revision of the Purdue Master Attitude Scale was used. (LBH)

Association of Various Components of Media Literacy and Adolescent Smoking

ERIC Educational Resources Information Center

Primack, Brian A.; Hobbs, Renee

2009-01-01

Objective: To determine which specific aspects of media literacy were most strongly associated with smoking outcomes. Methods: Students at a public high school responded to cross-sectional survey items measuring smoking outcomes, components of media literacy, and other variables. Results: Of the 1211 participants, 19% were current smokers (N =…

Integrated Prediction and Mitigation Methods of Materials Damage and Lifetime Assessment during Plasma Operation and Various Instabilities in Fusion Devices

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

Hassanein, Ahmed

2015-03-31

This report describes implementation of comprehensive and integrated models to evaluate plasma material interactions during normal and abnormal plasma operations. The models in full3D simulations represent state-of-the art worldwide development with numerous benchmarking of various tokamak devices and plasma simulators. In addition, significant number of experimental work has been performed in our center for materials under extreme environment (CMUXE) at Purdue to benchmark the effect of intense particle and heat fluxes on plasma-facing components. This represents one-year worth of work and resulted in more than 23 Journal Publications and numerous conferences presentations. The funding has helped several students to obtainmore » their M.Sc. and Ph.D. degrees and many of them are now faculty members in US and around the world teaching and conducting fusion research. Our work has also been recognized through many awards.« less

Statistical optimization of polysaccharide production by submerged cultivation of Lingzhi or Reishi medicinal mushroom, Ganoderma lucidum (W.Curt.: Fr.) P. Karst. MTCC 1039 (Aphyllophoromycetideae).

PubMed

Baskar, Gurunathan; Sathya, Shree Rajesh K Lakshmi Jai; Jinnah, Riswana Begum; Sahadevan, Renganathan

2011-01-01

Response surface methodology was employed to optimize the concentration of four important cultivation media components such as cottonseed oil cake, glucose, NH4Cl, and MgSO4 for maximum medicinal polysaccharide yield by Lingzhi or Reishi medicinal mushroom, Ganoderma lucidum MTCC 1039 in submerged culture. The second-order polynomial model describing the relationship between media components and polysaccharide yield was fitted in coded units of the variables. The higher value of the coefficient of determination (R2 = 0.953) justified an excellent correlation between media components and polysaccharide yield, and the model fitted well with high statistical reliability and significance. The predicted optimum concentration of the media components was 3.0% cottonseed oil cake, 3.0% glucose, 0.15% NH4Cl, and 0.045% MgSO4, with the maximum predicted polysaccharide yield of 819.76 mg/L. The experimental polysaccharide yield at the predicted optimum media components was 854.29 mg/L, which was 4.22% higher than the predicted yield.

Representations of OxyContin in North American newspapers and medical journals

PubMed Central

Whelan, Emma; Asbridge, Mark; Haydt, Susan

2011-01-01

BACKGROUND: There are public concerns regarding OxyContin (Purdue Pharma, Canada) and charges within the pain medicine community that media coverage of the drug has been biased. OBJECTIVE: To analyze and compare representations of OxyContin in medical journals and North American newspapers in an attempt to shed light on how each contributes to the ‘social problem’ associated with OxyContin. METHODS: Using searches of newspaper and medical literature databases, two samples were drawn: 924 stories published between 1995 and 2005 in 27 North American newspapers, and 197 articles published between 1995 and 2007 in 33 medical journals in the fields of addiction/substance abuse, pain/anesthesiology and general/internal medicine. The foci, themes, perspectives represented and evaluations of OxyContin presented in these texts were analyzed statistically. RESULTS: Newspaper coverage of OxyContin emphasized negative evaluations of the drug, focusing on abuse, addiction, crime and death rather than the use of OxyContin for the legitimate treatment of pain. Newspaper stories most often conveyed the perspectives of law enforcement and courts, and much less often represented the perspectives of physicians. However, analysis of physician perspectives represented in newspaper stories and in medical journals revealed a high degree of inconsistency, especially across the fields of pain medicine and addiction medicine. CONCLUSION: The prevalence of negative representations of OxyContin is often blamed on biased media coverage and an ignorant public. However, the proliferation of inconsistent messages regarding the drug from physicians plays a role in the drug’s persistent status as a social problem. PMID:22059195

Interhemispheric Connectivity and Executive Functioning in Adults With Tourette Syndrome

PubMed Central

Margolis, Amy; Donkervoort, Mireille; Kinsbourne, Marcel; Peterson, Bradley S.

2008-01-01

The prefrontal cortex (PFC) is relatively smaller, and the corpus callosum (CC) larger, in adults with Tourette syndrome (TS). The authors explored the possible roles of the PFC and the CC in mediating interhemispheric interference and coordination in TS adults. They measured performance on M. Kinsbourne and J. Cook's (1971) verbal–manual interference task and on the bimanual Purdue Pegboard in 38 adults with TS and 34 healthy adults. Compared with controls, TS subjects were impaired on the bimanual Purdue Pegboard. On the dual task, right-hand performance did not differ between groups, but the normally expected left-hand advantage (opposite hemisphere condition) was absent in TS subjects. In the control group only, better left-hand performance accompanied larger PFC volumes but not CC cross-sectional area. PFC dysfunction might have precluded executive control of interference in the TS group. PMID:16460223

3D-SURFER: software for high-throughput protein surface comparison and analysis

PubMed Central

La, David; Esquivel-Rodríguez, Juan; Venkatraman, Vishwesh; Li, Bin; Sael, Lee; Ueng, Stephen; Ahrendt, Steven; Kihara, Daisuke

2009-01-01

Summary: We present 3D-SURFER, a web-based tool designed to facilitate high-throughput comparison and characterization of proteins based on their surface shape. As each protein is effectively represented by a vector of 3D Zernike descriptors, comparison times for a query protein against the entire PDB take, on an average, only a couple of seconds. The web interface has been designed to be as interactive as possible with displays showing animated protein rotations, CATH codes and structural alignments using the CE program. In addition, geometrically interesting local features of the protein surface, such as pockets that often correspond to ligand binding sites as well as protrusions and flat regions can also be identified and visualized. Availability: 3D-SURFER is a web application that can be freely accessed from: http://dragon.bio.purdue.edu/3d-surfer Contact: dkihara@purdue.edu Supplementary information: Supplementary data are available at Bioinformatics online. PMID:19759195

3D-SURFER: software for high-throughput protein surface comparison and analysis.

PubMed

La, David; Esquivel-Rodríguez, Juan; Venkatraman, Vishwesh; Li, Bin; Sael, Lee; Ueng, Stephen; Ahrendt, Steven; Kihara, Daisuke

2009-11-01

We present 3D-SURFER, a web-based tool designed to facilitate high-throughput comparison and characterization of proteins based on their surface shape. As each protein is effectively represented by a vector of 3D Zernike descriptors, comparison times for a query protein against the entire PDB take, on an average, only a couple of seconds. The web interface has been designed to be as interactive as possible with displays showing animated protein rotations, CATH codes and structural alignments using the CE program. In addition, geometrically interesting local features of the protein surface, such as pockets that often correspond to ligand binding sites as well as protrusions and flat regions can also be identified and visualized. 3D-SURFER is a web application that can be freely accessed from: http://dragon.bio.purdue.edu/3d-surfer dkihara@purdue.edu Supplementary data are available at Bioinformatics online.

Cell culture medium improvement by rigorous shuffling of components using media blending.

PubMed

Jordan, Martin; Voisard, Damien; Berthoud, Antoine; Tercier, Laetitia; Kleuser, Beate; Baer, Gianni; Broly, Hervé

2013-01-01

A novel high-throughput methodology for the simultaneous optimization of many cell culture media components is presented. The method is based on the media blending approach which has several advantages as it works with ready-to-use media. In particular it allows precise pH and osmolarity adjustments and eliminates the need of concentrated stock solutions, a frequent source of serious solubility issues. In addition, media blending easily generates a large number of new compositions providing a remarkable screening tool. However, media blending designs usually do not provide information on distinct factors or components that are causing the desired improvements. This paper addresses this last point by considering the concentration of individual medium components to fix the experimental design and for the interpretation of the results. The extended blending strategy was used to reshuffle the 20 amino acids in one round of experiments. A small set of 10 media was specifically designed to generate a large number of mixtures. 192 mixtures were then prepared by media blending and tested on a recombinant CHO cell line expressing a monoclonal antibody. A wide range of performances (titers and viable cell density) was achieved from the different mixtures with top titers significantly above our previous results seen with this cell line. In addition, information about major effects of key amino acids on cell densities and titers could be extracted from the experimental results. This demonstrates that the extended blending approach is a powerful experimental tool which allows systematic and simultaneous reshuffling of multiple medium components.

Animal-cell culture media: History, characteristics, and current issues.

PubMed

Yao, Tatsuma; Asayama, Yuta

2017-04-01

Cell culture technology has spread prolifically within a century, a variety of culture media has been designed. This review goes through the history, characteristics and current issues of animal-cell culture media. A literature search was performed on PubMed and Google Scholar between 1880 and May 2016 using appropriate keywords. At the dawn of cell culture technology, the major components of media were naturally derived products such as serum. The field then gradually shifted to the use of chemical-based synthetic media because naturally derived ingredients have their disadvantages such as large batch-to-batch variation. Today, industrially important cells can be cultured in synthetic media. Nevertheless, the combinations and concentrations of the components in these media remain to be optimized. In addition, serum-containing media are still in general use in the field of basic research. In the fields of assisted reproductive technologies and regenerative medicine, some of the medium components are naturally derived in nearly all instances. Further improvements of culture media are desirable, which will certainly contribute to a reduction in the experimental variation, enhance productivity among biopharmaceuticals, improve treatment outcomes of assisted reproductive technologies, and facilitate implementation and popularization of regenerative medicine.

Involving Teachers in Reducing Children's Media Risks

ERIC Educational Resources Information Center

Stiller, Anja; Schwendemann, Hanna; Bleckmann, Paula; Bitzer, Eva-Maria; Mößle, Thomas

2018-01-01

Purpose: The purpose of this paper is twofold: first, to introduce MEDIA PROTECT, a multi-modal intervention for parents and teachers with six components preventing problematic, and in the long run addictive, use of screen media by children; second, to present results of a formative evaluation of the teacher training, an important component of the…

Evaluation of biochar-anaerobic potato digestate mixtures as renewable components of horticultural potting media

USDA-ARS?s Scientific Manuscript database

Various formulations are used in horticultural potting media, with sphagnum peat moss, vermiculite and perlite currently among the most common components. We are examining a dried anaerobic digestate remaining after the fermentation of potato processing wastes to replace organic components such as p...

Oxidation of SiC

NASA Astrophysics Data System (ADS)

Cooper, James A.

1997-03-01

SiC is a wide band gap hexagonal anisotropic semiconductor which is attractive for use in high voltage, high temperature, or high power applications. SiC is also the only compound semiconductor that can be thermally oxidized to form SiO_2, making it possible to construct many conventional MOS devices in this material. The electrical quality of the SiO_2/SiC interface is far from ideal, however, and considerable research is presently directed to understanding and improving this interface. Electrical characterization of the SiC MOS interface is complicated by the wide band gap, since most interface states are energetically too far removed from the conduction or valence bands to respond to electrical stimulation at room temperature. Moreover, very little information is yet available on the properties of the MOS interface on the 4H polytype of SiC (preferred because of it's higher bulk electron mobility) or on interfaces on crystalline surfaces perpendicular to the basal plane (where an equal number of Si and C atoms are present). Finally, electron mobilities in inversion layers on 4H-SiC reported to date are anomolously low, especially in consideration of the relatively high bulk mobilities in this polytype. In this talk we will discuss MOS characterization techniques for wide band gap semiconductors and review the current understanding of the physics of the MOS interface on thermally oxidized SiC.

Checklist of Abbreviations and Acronyms in the Physics Literature.

ERIC Educational Resources Information Center

Bailey, Martha J.

This document provides a listing of 500 abbreviations and acronyms related to physics with the definition of each. Each abbreviation was used in journals received by the Purdue University Physics Library during the years 1973-1976. (SL)

Improvement of Science Teaching.

ERIC Educational Resources Information Center

Postlethwait, S. N.

1980-01-01

Supports implementation of instructional procedures that permit students to engage in good learning practices as commonly defined by educational psychologists and teachers. Presents the scientific strategy used by students in botany at Purdue, which involves students in the practice of scientific procedures. (CS)

Predictive Engineering Tools for Injection-molded Long-Carbon-Fiber Thermoplastic Composites - FY 2014 Third Quarterly Report

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

Nguyen, Ba Nghiep; Sanborn, Scott E.; Mathur, Raj N.

2014-08-15

This report describes the technical progresses made during the third quarter of FY 2014: 1) Autodesk introduced the options for fiber inlet condition to the 3D solver. These options are already available in the mid-plane/dual domain solver. 2) Autodesk improved the accuracy of 3D fiber orientation calculation around the gate. 3) Autodesk received consultant services from Prof. C.L. Tucker at the University of Illinois on the implementation of the reduced order model for fiber length, and discussed with Prof. Tucker the methods to reduce memory usage. 4) PlastiComp delivered to PNNL center-gated and edge-fan-gated 20-wt% to 30-wt% LCF/PP and LCF/PA66more » (7”x7”x1/8”) plaques molded by the in-line direct injection molding (D-LFT) process. 5) PlastiComp molded ASTM tensile, flexural and impact bars under the same D-LFT processing conditions used for plaques for Certification of Assessment and ascertaining the resultant mechanical properties. 6) Purdue developed a new polishing routine, utilizing the automated polishing machine, to reduce fiber damage during surface preparation. 7) Purdue used a marker-based watershed segmentation routine, in conjunction with a hysteresis thresholding technique, for fiber segmentation during fiber orientation measurement. 8) Purdue validated Purdue’s fiber orientation measurement method using the previous fiber orientation data obtained from the Leeds machine and manually measured data by the University of Illinois. 9) PNNL conducted ASMI mid-plane analyses for a 30wt% LCF/PP plaque and compared the predicted fiber orientations with the measured data provided by Purdue University at the selected locations on this plaque. 10) PNNL put together the DOE 2014 Annual Merit Review (AMR) presentation with the team and presented it at the AMR meetings on June 17, 2014. 11) PNNL built ASMI dual domain models for the Toyota complex part and commenced mold filling analyses of the complex part with different wall thicknesses in order to support part molding. 12) Toyota and Magna discussed with PNNL on tool modification for molding the complex part. Toyota sent the CAD files of the complex part to PNNL to build ASMI models of the part for mold filling analysis to provide guidance to tooling and part molding.« less

78 FR 48177 - Purdue Pharma L.P.; Withdrawal of Approval of a New Drug Application for Oxycontin

Federal Register 2010, 2011, 2012, 2013, 2014

2013-08-07

... or misuse. Both original and reformulated OxyContin are opioid agonist products. Original OxyContin was indicated for the management of moderate to severe pain when a continuous, around-the-clock opioid...

Responsibility Center Management: An Assessment of RCM at IUPUI.

ERIC Educational Resources Information Center

Robbins, David L.; Rooney, Patrick Michael

1995-01-01

Indiana University-Purdue University at Indianapolis is the first public institution to implement Responsibility Center Management (RCM), a comprehensive decentralized, incentive-base financial management system. RCM has strengthened academic planning, budget management, general accountability, and multiyear fiscal planning. Organizational…

Nonlinear Optics in Spatially Negatively Dispersive Metamaterials: Extraordinary and Counterintuitive

DTIC Science & Technology

2014-11-17

Enabling Nanophotonics, Data Storage and Energy Conversion with New Plasmonic Materials and Metasurfaces Vladimir M. Shalaev, Purdue University... Metasurfaces Stefano Maci, University of Siena...8 1620-1700 Nonlocal homogenization of metamaterials and metasurfaces Viktor Podolskiy, University of Massachusetts Lowell

Learn & Shop: Teaching Composition in Shopping Centers.

ERIC Educational Resources Information Center

East, James R.; Strahl, Ronald

1982-01-01

Describes a learn and shop program conducted by Indiana University-Purdue University at Indianapolis in various shopping malls around the city. Discusses how the atmosphere of composition courses held off campus influences students' attitudes toward writing and college-level work. (HTH)

Survival of Phytophthora species and other pathogens in soilless media components or soil and their eradication with aerated steam

Treesearch

R.G. Linderman; E.A. Davis

2006-01-01

Phytophthora ramorum, while thought to be primarily an aerial pathogen, can be introduced into soilless potting media in the nursery industry as sporangia or chlamydospores and be disseminated widely without being detected. Inoculum of this pathogen, both North American (A2) and European (A1) isolates were used to infest potting media components or...

21 CFR 864.2220 - Synthetic cell and tissue culture media and components.

Code of Federal Regulations, 2011 CFR

2011-04-01

... components (e.g., amino acids, vitamins, inorganic salts) that are essential for the survival and development... 21 Food and Drugs 8 2011-04-01 2011-04-01 false Synthetic cell and tissue culture media and components. 864.2220 Section 864.2220 Food and Drugs FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND...

Association of Various Components of Media Literacy and Adolescent Smoking

PubMed Central

Primack, Brian A.; Hobbs, Renee

2010-01-01

Objective To determine which specific aspects of media literacy were most strongly associated with smoking outcomes. Methods Students at a public high school responded to cross-sectional survey items measuring smoking outcomes, components of media literacy, and other variables. Results Of the 1211 participants, 19% were current smokers (N = 216) and 40% of the nonsmokers (N = 342) were susceptible to smoking. In the adjusted models, current smoking was most strongly related to representation-reality domain items, but susceptibility to smoking was associated with each of the media literacy domains. Conclusion Varied relationships exist between individual facets of media literacy and smoking outcomes. PMID:18844513

Update on the Purdue University 2-second Drop Tower

NASA Astrophysics Data System (ADS)

Collicott, Steven

A small drop tower of approximately one second drop duration was built in the School of Aero-nautics and Astronautics at Purdue University beginning in 1998 and operated until summer 2007. This inexpensive tower in an old airplane hanger, was built largely by Yongkang Chen, now a Research Professor at Portland State University in Oregon, USA. In about 7 years of operations, the tower generated sufficient science results for Chen's PhD thesis[1] (summarized in three AIAA Journal papers[2-4]), Fitzpatrick's MS thesis[5], two industry projects for since-canceled advanced rodent habitats for ISS, and one project for NASA Marshall. In addition to the science use, Purdue undergraduate students designed, built, and performed simpler fluids experiments for their own career advancement, including a novel investigation of the impact of imperfect repeatability of initial conditions on a zero-g fluids experiment. The tower was also used for outreach to school children. It is most satisfying that Chen's PhD research in this small tower, and subsequent discussions and interactions, helped Weislogel to propose the two Vane Gap tests in his highly successful Capillary Fluids Experiment (CFE) in the International Space Station in 2006 and 2007[6]. Chen as been involved in the remodeling of these two Vane Gap cylinders for subsequent re-launch to ISS for a second round of experiments expected in 2010 and 2011. In August 2007 the School of Aeronautics and Astronautics at Purdue University moved into the new Neil Armstrong Hall of Engineering and construction on a new 2-second drop tower began. A vertical shaft of nearly 23 meters was designed into the building. An approximately 80 m2 general-use fluids lab is at the top level, and a small access room of approximately 9 m2 is at the bottom. However, construction of the new $57M building created only the space for the science facility, not the science facility itself. The science facility is under construction and this paper presents an update on progress for the micro-gravity community. The most noticeable current activity is testing of the air-bag decelerator. The tower is one that will use a free-falling experiment inside of a drag shield to avoid most aerodynamic drag. The airbag is designed from experiences of others yet the small, triangular room in which the tower terminates imposes challenges. The airbag is approximately 1.5m diameter and 1.5m tall. Initial testing led to a desire to increase vent area, and just this week the bag has returned from the shop that was modifying it. On-board computer, battery packs, lighting, and cameras have been acquired. Thanks to Lockheed Martin, one camera is 500 frames per second with 1.3 million 12-bit gray scale pixels per frame. The Spincraft company donated steel hemisphere-cylinders to serve as the nose of the drag shield. Wind tunnel and CFD modeling of the drag shield has been performed by Purdue undergraduate aerospace students. Currently the drag shield structure and experiment package structure are being design and analyzed. The experiment volume is approximately a cylinder 0.45m diameter and 0.6m tall. Tower operation is intended to commence in fall 2010 with inert package drops at full mass and full height. Developing the operations procedures, especially operational safety, are the goals of this work. First science is then expected in the winter. References 1. Y. Chen, "A Study of Capillary Flow in a Vane-wall Gap in Zero Gravity," Ph.D. thesis, School of Aeronautics and Astronautics, Purdue University. August 2003. 2. Y. Chen and S. H. Collicott, "Investigation of the Symmetric Wetting of a Vane-Wall Gap in Propellant Tanks," AIAA Journal, 42, No. 2, pp. 305-314, February 2004. 3. Y. Chen, and S. H. Collicott, "Experimental Study on the Capillary Flow in a Vane-Wall Gap Geometry," AIAA Journal, 43, No. 11, pp. 2395-2403, November, 2005. 4. Y. Chen and S. H. Collicott, "Study of Wetting in an Asymmetrical Vane-Wall Gap in Propellant Tanks," AIAA Journal, 44, 4, pp. 859-867, April 2006. 5. S. L. Fitzpatrick, "A Study of Hydrogen Peroxide Low-Gravity Control for Propellant Management Devices," MS thesis, School of Aeronautics and Astronautics, Purdue Uni-versity. May 2003. 6. M. M. Weislogel, R. Jenson, Y. Chen, S. H. Collicott, J. Klatte, and M. Dreyer. "The capillary flow experiments aboard the International Space Station: Status". Acta Astro-nautica. 65:861-869, 2009

Biological Engineering: A New Discipline for the Next Century.

ERIC Educational Resources Information Center

Tao, Bernard Y.

1993-01-01

Reviews the issues driving the need for a biological engineering discipline and summarizes current curricula at several universities. The Purdue Biochemical and Food Processing Engineering program is presented as a model for the implementation of curriculum objectives. (23 references) (Author/MCO)

Signals: Applying Academic Analytics

ERIC Educational Resources Information Center

Arnold, Kimberly E.

2010-01-01

Academic analytics helps address the public's desire for institutional accountability with regard to student success, given the widespread concern over the cost of higher education and the difficult economic and budgetary conditions prevailing worldwide. Purdue University's Signals project applies the principles of analytics widely used in…

Spherical Earth analysis and modeling of lithospheric gravity and magnetic anomalies. Ph.D. Thesis - Purdue Univ.

NASA Technical Reports Server (NTRS)

Vonfrese, R. R. B.; Hinze, W. J.; Braile, L. W.

1980-01-01

A comprehensive approach to the lithospheric analysis of potential field anomalies in the spherical domain is provided. It has widespread application in the analysis and design of satellite gravity and magnetic surveys for geological investigation.

Supervisors with Micros: Trends and Training Needs.

ERIC Educational Resources Information Center

Bryan, Leslie A., Jr.

1986-01-01

Results of a study conducted by Purdue University concerning the use of computers by supervisors in manufacturing firms are presented and discussed. Examines access to computers, minicomputers versus mainframes, training time on computers, replacement of staff, creation of personnel problems, and training methods. (CT)

The Language Laboratory.

ERIC Educational Resources Information Center

Hocking, Elton

This condensed article on the language laboratory describes educational and financial possibilities and limitations, often citing the foreign language program at Purdue University as an example. The author discusses: (1) costs and amortization, (2) preventive maintenance, (3) laboratory design, (4) the multichannel recorder, and (5) visuals. Other…

A Hands-on Approach to the Teaching of Consumer Affairs.

ERIC Educational Resources Information Center

de Ruyter, Ko; Widdows, Richard

1992-01-01

In a course titled Computerized Consumer Responses and Information Systems, Purdue University students operate a consumer hotline for their school. They must promote its existence, answer calls, develop reports, produce training manuals, and set parameters for the computer system. (SK)

INTEGRATED EXPERIENCE APPROACH TO LEARNING.

ERIC Educational Resources Information Center

POSTLETHWAIT, S.N.; AND OTHERS

THE USE OF AUDIOTUTORIAL TECHNIQUES FOR TEACHING INTRODUCTORY COLLEGE BOTANY IS DESCRIBED. SPECIFIC PRACTICES USED AT PURDUE UNIVERSITY TO ILLUSTRATE DIFFERENT FACETS OF THE APPROACH ARE ANALYZED. INCLUDED ARE INDEPENDENT STUDY SESSIONS, SMALL ASSEMBLY SESSIONS, GENERAL ASSEMBLY SESSIONS, AND HOME STUDY SESSIONS. ILLUSTRATIONS AND SPECIFICATIONS…

Strategic Planning for Interdisciplinary Science: a Geoscience Success Story

NASA Astrophysics Data System (ADS)

Harshvardhan, D.; Harbor, J. M.

2003-12-01

The Department of Earth and Atmospheric Sciences at Purdue University has engaged in a continuous strategic planning exercise for several years, including annual retreats since 1997 as an integral part of the process. The daylong Saturday retreat at the beginning of the fall semester has been used to flesh out the faculty hiring plan for the coming year based on the prior years' plans. The finalized strategic plan is built around the choice of three signature areas, two in disciplinary fields, (i) geodynamics and active tectonics, (ii) multi-scale atmospheric interactions and one interdisciplinary area, (iii) atmosphere/surface interactions. Our experience with strategic planning and the inherently interdisciplinary nature of geoscience helped us recently when our School of Science, which consists of seven departments, announced a competition for 60 new faculty positions that would be assigned based on the following criteria, listed in order of priority - (i) scientific merit and potential for societal impact, (ii) multidisciplinary nature of topic - level of participation and leveraging potential, (iii) alignment with Purdue's strategic plan - discovery, learning, engagement, (iv) existence of critical mass at Purdue and availability of faculty and student candidate pools, (v) corporate and federal sponsor interest. Some fifty white papers promoting diverse fields were submitted to the school and seven were chosen after a school-wide retreat. The department fared exceedingly well and we now have significant representation on three of the seven school areas of coalescence - (i) climate change, (ii) computational science and (iii) science education research. We are now in the process of drawing up hiring plans and developing strategies for allocation and reallocation of resources such as laboratory space and faculty startup to accommodate the 20% growth in faculty strength that is expected over the next five years.

Main Quality Attributes of Monoclonal Antibodies and Effect of Cell Culture Components

PubMed

Torkashvand, Fatemeh; Vaziri, Behrouz

2017-05-01

The culture media optimization is an inevitable part of upstream process development in therapeutic monoclonal antibodies (mAbs) production. The quality by design (QbD) approach defines the assured quality of the final product through the development stage. An important step in QbD is determination of the main quality attributes. During the media optimization, some of the main quality attributes such as glycosylation pattern, charge variants, aggregates, and low-molecular-weight species, could be significantly altered. Here, we provide an overview of how cell culture medium components affects the main quality attributes of the mAbs. Knowing the relationship between the culture media components and the main quality attributes could be successfully utilized for a rational optimization of mammalian cell culture media for industrial mAbs production.

Switching industrial production processes from complex to defined media: method development and case study using the example of Penicillium chrysogenum.

PubMed

Posch, Andreas E; Spadiut, Oliver; Herwig, Christoph

2012-06-22

Filamentous fungi are versatile cell factories and widely used for the production of antibiotics, organic acids, enzymes and other industrially relevant compounds at large scale. As a fact, industrial production processes employing filamentous fungi are commonly based on complex raw materials. However, considerable lot-to-lot variability of complex media ingredients not only demands for exhaustive incoming components inspection and quality control, but unavoidably affects process stability and performance. Thus, switching bioprocesses from complex to defined media is highly desirable. This study presents a strategy for strain characterization of filamentous fungi on partly complex media using redundant mass balancing techniques. Applying the suggested method, interdependencies between specific biomass and side-product formation rates, production of fructooligosaccharides, specific complex media component uptake rates and fungal strains were revealed. A 2-fold increase of the overall penicillin space time yield and a 3-fold increase in the maximum specific penicillin formation rate were reached in defined media compared to complex media. The newly developed methodology enabled fast characterization of two different industrial Penicillium chrysogenum candidate strains on complex media based on specific complex media component uptake kinetics and identification of the most promising strain for switching the process from complex to defined conditions. Characterization at different complex/defined media ratios using only a limited number of analytical methods allowed maximizing the overall industrial objectives of increasing both, method throughput and the generation of scientific process understanding.

Switching industrial production processes from complex to defined media: method development and case study using the example of Penicillium chrysogenum

PubMed Central

2012-01-01

Background Filamentous fungi are versatile cell factories and widely used for the production of antibiotics, organic acids, enzymes and other industrially relevant compounds at large scale. As a fact, industrial production processes employing filamentous fungi are commonly based on complex raw materials. However, considerable lot-to-lot variability of complex media ingredients not only demands for exhaustive incoming components inspection and quality control, but unavoidably affects process stability and performance. Thus, switching bioprocesses from complex to defined media is highly desirable. Results This study presents a strategy for strain characterization of filamentous fungi on partly complex media using redundant mass balancing techniques. Applying the suggested method, interdependencies between specific biomass and side-product formation rates, production of fructooligosaccharides, specific complex media component uptake rates and fungal strains were revealed. A 2-fold increase of the overall penicillin space time yield and a 3-fold increase in the maximum specific penicillin formation rate were reached in defined media compared to complex media. Conclusions The newly developed methodology enabled fast characterization of two different industrial Penicillium chrysogenum candidate strains on complex media based on specific complex media component uptake kinetics and identification of the most promising strain for switching the process from complex to defined conditions. Characterization at different complex/defined media ratios using only a limited number of analytical methods allowed maximizing the overall industrial objectives of increasing both, method throughput and the generation of scientific process understanding. PMID:22727013

Atmospheric Science: It's More than Meteorology.

ERIC Educational Resources Information Center

Smith, David R.; Krockover, Gerald H.

1988-01-01

Indicates that atmospheric science is not just forcasting the weather. Gives an overview of current topics in meteorology including ozone depletion, acid precipitation, winter cyclones, severe local storms, the greenhouse effect, wind shear and microbursts. Outlines the Atmospheric Sciences Education Program at Purdue University to produce…

Midwestern Medieval Illuminations Archives.

ERIC Educational Resources Information Center

Purdue Univ., Lafayette, IN. Audio-Visual Center.

This catalog lists the slides of medieval manuscript illuminations available at the Midwestern Medieval Illuminations Archives at the Purdue University Audio-Visual Center. Instructions are provided for ordering slides from the Center. Slide sets are listed by title, with citations including catalog number, rental price, producer/vendor code,…

Instructional Teleconferencing Models for Enhancing the Quality of Education.

ERIC Educational Resources Information Center

Showalter, Robert G.; Showalter, Marietta B.

This compilation of models for the utilization of instructional teleconferencing begins with narrative information from the final report of the Inter-Institutional Instructional Teleconferencing for Indiana School Personnel Serving Handicapped Children Project, a collaborative venture undertaken by Purdue University and the Lafayette School…

A Labyrinth of the Wide World.

ERIC Educational Resources Information Center

Plater, William M.

1995-01-01

Discusses the design of the University Library at Indiana University, Purdue University Indianapolis. Topics include storage capacity; workstations; the user-friendly multimedia network information system; on- and off-campus connections to the system; the Center on Teaching and Learning; librarians' collaboration with faculty; and the Copyright…

Demanding Satisfaction

ERIC Educational Resources Information Center

Oguntoyinbo, Lekan

2010-01-01

It was the kind of crisis most universities dread. In November 2006, a group of minority student leaders at Indiana University-Purdue University Indianapolis (IUPUI) threatened to sue the university if administrators did not heed demands that included providing more funding for multicultural student groups. This article discusses how this threat…

A Catalogue of Systems for Student Ratings of Instruction.

ERIC Educational Resources Information Center

Abrami, Philip C.; Murphy, Vincent

This catalogue briefly describes the following 12 systems for student ratings of instruction in higher education: (1) Purdue Cafeteria System (Cafeteria); (2) Course Faculty Instrument (CFI); (3) Arizona Course/Instructor Evaluation Questionnaire (CIEQ); (4) Endeavor Instructional Rating System (Endeavor); (5) University of Washington…

Fast propagation of electromagnetic fields through graded-index media.

PubMed

Zhong, Huiying; Zhang, Site; Shi, Rui; Hellmann, Christian; Wyrowski, Frank

2018-04-01

Graded-index (GRIN) media are widely used for modeling different situations: some components are designed considering GRIN modulation, e.g., multi-mode fibers, optical lenses, or acousto-optical modulators; on the other hand, there are other components where the refractive-index variation is undesired due to, e.g., stress or heating; and finally, some effects in nature are characterized by a GRIN variation, like turbulence in air or biological tissues. Modeling electromagnetic fields propagating in GRIN media is then of high importance for optical simulation and design. Though ray tracing can be used to evaluate some basic effects in GRIN media, the field properties are not considered and evaluated. The general physical optics techniques, like finite element method or finite difference time domain, can be used to calculate fields in GRIN media, but they need great numerical effort or may even be impractical for large-scale components. Therefore, there still exists a demand for a fast physical optics model of field propagation through GRIN media on a large scale, which will be explored in this paper.

Cyberinfrastructure for End-to-End Environmental Explorations

NASA Astrophysics Data System (ADS)

Merwade, V.; Kumar, S.; Song, C.; Zhao, L.; Govindaraju, R.; Niyogi, D.

2007-12-01

The design and implementation of a cyberinfrastructure for End-to-End Environmental Exploration (C4E4) is presented. The C4E4 framework addresses the need for an integrated data/computation platform for studying broad environmental impacts by combining heterogeneous data resources with state-of-the-art modeling and visualization tools. With Purdue being a TeraGrid Resource Provider, C4E4 builds on top of the Purdue TeraGrid data management system and Grid resources, and integrates them through a service-oriented workflow system. It allows researchers to construct environmental workflows for data discovery, access, transformation, modeling, and visualization. Using the C4E4 framework, we have implemented an end-to-end SWAT simulation and analysis workflow that connects our TeraGrid data and computation resources. It enables researchers to conduct comprehensive studies on the impact of land management practices in the St. Joseph watershed using data from various sources in hydrologic, atmospheric, agricultural, and other related disciplines.

Inquiring Minds Want to Know: Media Literacy Education for Young Children

ERIC Educational Resources Information Center

Rogow, Faith

2011-01-01

Inquiry-based media literacy is an increasingly important component of an educator's toolbox. The author's own concerns about definitions of media literacy have given way to a focus on establishing clear goals for media literacy education. The National Association for Media Literacy Education (NAMLE) articulates these goals: "The purpose of media…

Defense.gov - Special Report - Social Media

Science.gov Websites

social media space, the Marine Corps now leads the way in the era of emerging media. Story» Featured Articles Social Media Shapes Military The Defense Department and all of its components use Facebook and other social media tools to help promote their initiatives as the entire informational environment

Integrated Technologies: An Approach to Establishing Multimedia Applications for Learning.

ERIC Educational Resources Information Center

Elmore, Garland C.

1992-01-01

Describes a plan for the development of multimedia instruction at Indiana University-Purdue University at Indianapolis (IUPUI). Cooperation between various campus departments is described, including the university libraries. Multimedia systems for permanent installations and portable units are explained, and implications for distance education,…

76 FR 36512 - Board for International Food and Agricultural Development; Notice of Meeting

Federal Register 2010, 2011, 2012, 2013, 2014

2011-06-22

... the University of Missouri at Columbia. The announcement of the 2011 World Food Prize Laureate at the... Professor, Department of Agronomy, Purdue University and Catherine Bertini, Chair, International Relations Program and Professor, Maxwell School of Citizenship and Public Affairs, Syracuse University. Board...

Enhancing Thinking Skills with School-University Collaboration.

ERIC Educational Resources Information Center

McInerney, William D.; Kolter, Gerald E.

1988-01-01

Describes a collaborative Purdue University and Twin Lakes School Corporation (Indiana) project to specify and demonstrate research-based instructional models facilitating the development of students' higher thinking skills. The project has developed a special site where student teachers can observe and practice teaching these skills. Includes 10…

Colleges Struggle To Train Experts in Protecting Computer Systems.

ERIC Educational Resources Information Center

McCollum, Kelly

2000-01-01

Describes university courses and programs in protecting computer networks and World Wide Web sites from vandals, cyberterrorists, and malicious hackers. Notes such courses are provided by East Stroudsburg University (Pennsylvania), Purdue University (Indiana), George Mason University (Virginia), and Texas A&M University. Also notes the federal…

Evaluation of environmental sampling methods for detection of Salmonella enterica in a large animal veterinary hospital.

PubMed

Goeman, Valerie R; Tinkler, Stacy H; Hammac, G Kenitra; Ruple, Audrey

2018-04-01

Environmental surveillance for Salmonella enterica can be used for early detection of contamination; thus routine sampling is an integral component of infection control programs in hospital environments. At the Purdue University Veterinary Teaching Hospital (PUVTH), the technique regularly employed in the large animal hospital for sample collection uses sterile gauze sponges for environmental sampling, which has proven labor-intensive and time-consuming. Alternative sampling methods use Swiffer brand electrostatic wipes for environmental sample collection, which are reportedly effective and efficient. It was hypothesized that use of Swiffer wipes for sample collection would be more efficient and less costly than the use of gauze sponges. A head-to-head comparison between the 2 sampling methods was conducted in the PUVTH large animal hospital and relative agreement, cost-effectiveness, and sampling efficiency were compared. There was fair agreement in culture results between the 2 sampling methods, but Swiffer wipes required less time and less physical effort to collect samples and were more cost-effective.

Laboratory Measurements of Isoprene-Derived Nitrates Using TD-LIF

NASA Astrophysics Data System (ADS)

Cohen, R.; Perring, A.; Wooldridge, P.; Shepson, P.; Lockwood, A.; Hill, K.; Moffat, C.; Mielke, L.; Cavender, A.; Stevens, P.; Dusanter, S.; Vimal, D.; Wisthaler, A.; Graus, M.

2006-12-01

Isoprene represents the largest flux of reactive non-methane hydrocarbon to the atmosphere and the production of isoprene-derived nitrates is currently one of the major controversies in nitrogen oxide chemistry. Alkyl and multifunctional nitrates (ΣANs), measured by Thermal Dissociation Laser Induced Fluorescence (TD-LIF), have been observed as a significant NOy component during many ground-based and airborne field experiments. A strong hypothesis is that many of these nitrates, especially in forest- impacted environments, are isoprene-derived. We present smog chamber measurements (made at Purdue University in June of 2006) of ΣANs, produced through both NO3 and OH-initiated oxidation of isoprene. Isoprene, OH, HO2, NO, NO2, NOy, PAN, HNO3 and speciated first generation isoprene nitrates were also measured simultaneously and chamber chemistry was subsequently modeled. We compare these measurements with previous measurements of isoprene nitrate yields and examine the relative contribution of secondary nitrates to the measured total organic nitrate concentrations.

Multimedia architectures: from desktop systems to portable appliances

NASA Astrophysics Data System (ADS)

Bhaskaran, Vasudev; Konstantinides, Konstantinos; Natarajan, Balas R.

1997-01-01

Future desktop and portable computing systems will have as their core an integrated multimedia system. Such a system will seamlessly combine digital video, digital audio, computer animation, text, and graphics. Furthermore, such a system will allow for mixed-media creation, dissemination, and interactive access in real time. Multimedia architectures that need to support these functions have traditionally required special display and processing units for the different media types. This approach tends to be expensive and is inefficient in its use of silicon. Furthermore, such media-specific processing units are unable to cope with the fluid nature of the multimedia market wherein the needs and standards are changing and system manufacturers may demand a single component media engine across a range of products. This constraint has led to a shift towards providing a single-component multimedia specific computing engine that can be integrated easily within desktop systems, tethered consumer appliances, or portable appliances. In this paper, we review some of the recent architectural efforts in developing integrated media systems. We primarily focus on two efforts, namely the evolution of multimedia-capable general purpose processors and a more recent effort in developing single component mixed media co-processors. Design considerations that could facilitate the migration of these technologies to a portable integrated media system also are presented.

Identification of Novel Components Influencing Colonization Factor Antigen I Expression in Enterotoxigenic Escherichia coli

PubMed Central

Haines, Sara; Gautheron, Sylviane; Nasser, William; Renauld-Mongénie, Geneviève

2015-01-01

Colonization factors (CFs) mediate early adhesion of Enterotoxigenic Escherichia coli (ETEC) in the small intestine. Environmental signals including bile, glucose, and contact with epithelial cells have previously been shown to modulate CF expression in a strain dependent manner. To identify novel components modulating CF surface expression, 20 components relevant to the intestinal environment were selected for evaluation. These included mucin, bicarbonate, norepinephrine, lincomycin, carbon sources, and cations. Effects of individual components on surface expression of the archetype CF, CFA/I, were screened using a fractional factorial Hadamard matrix incorporating 24 growth conditions. As most CFs agglutinate erythrocytes, surface expression was evaluated by mannose resistant hemagglutination. Seven components, including porcine gastric mucin, lincomycin, glutamine, and glucose were found to induce CFA/I surface expression in vitro in a minimal media while five others were inhibitory, including leucine and 1,10-phenanthroline. To further explore the effect of components positively influencing CFA/I surface expression, a response surface methodology (RSM) was designed incorporating 36 growth conditions. The optimum concentration for each component was identified, thereby generating a novel culture media, SP1, for CFA/I expression. CFs closely related to CFA/I, including CS4 and CS14 were similarly induced in SP1 media. Other epidemiologically relevant CFs were also induced when compared to the level obtained in minimal media. These results indicate that although CF surface expression is complex and highly variable among strains, the CF response can be predicted for closely related strains. A novel culture media inducing CFs in the CF5a group was successfully identified. In addition, mucin was found to positively influence CF expression in strains expressing either CFA/I or CS1 and CS3, and may function as a common environmental cue. PMID:26517723

Identification of Novel Components Influencing Colonization Factor Antigen I Expression in Enterotoxigenic Escherichia coli.

PubMed

Haines, Sara; Gautheron, Sylviane; Nasser, William; Renauld-Mongénie, Geneviève

2015-01-01

Colonization factors (CFs) mediate early adhesion of Enterotoxigenic Escherichia coli (ETEC) in the small intestine. Environmental signals including bile, glucose, and contact with epithelial cells have previously been shown to modulate CF expression in a strain dependent manner. To identify novel components modulating CF surface expression, 20 components relevant to the intestinal environment were selected for evaluation. These included mucin, bicarbonate, norepinephrine, lincomycin, carbon sources, and cations. Effects of individual components on surface expression of the archetype CF, CFA/I, were screened using a fractional factorial Hadamard matrix incorporating 24 growth conditions. As most CFs agglutinate erythrocytes, surface expression was evaluated by mannose resistant hemagglutination. Seven components, including porcine gastric mucin, lincomycin, glutamine, and glucose were found to induce CFA/I surface expression in vitro in a minimal media while five others were inhibitory, including leucine and 1,10-phenanthroline. To further explore the effect of components positively influencing CFA/I surface expression, a response surface methodology (RSM) was designed incorporating 36 growth conditions. The optimum concentration for each component was identified, thereby generating a novel culture media, SP1, for CFA/I expression. CFs closely related to CFA/I, including CS4 and CS14 were similarly induced in SP1 media. Other epidemiologically relevant CFs were also induced when compared to the level obtained in minimal media. These results indicate that although CF surface expression is complex and highly variable among strains, the CF response can be predicted for closely related strains. A novel culture media inducing CFs in the CF5a group was successfully identified. In addition, mucin was found to positively influence CF expression in strains expressing either CFA/I or CS1 and CS3, and may function as a common environmental cue.

The hardwood ecosystem experiment: goals, design, and implementation

Treesearch

Rebecca A. Kalb; Cortney J. Mycroft

2013-01-01

The Hardwood Ecosystem Experiment (HEE) is a long-term, landscape-level field experiment initiated in 2006 by the Indiana Department of Natural Resources-Division of Forestry. The HEE is a multi-disciplinary, collaborative research project involving researchers from Purdue University, Indiana State University, Ball State University, Indiana University of Pennsylvania,...

Creating Games to Get Students!

ERIC Educational Resources Information Center

Swanson, Dewey; Gusev, Dmitri A.

2015-01-01

The Computer Information and Technology Department (CIT) program of Purdue University is offered at our regional campus in Columbus, Indiana. Like many programs throughout the country, we face issues in recruiting new students. Over the last seven to eight years, we have faced declining enrollment, even as our main campus at West Lafayette saw…

MET Senior Projects at an Urban University.

ERIC Educational Resources Information Center

Neff, Gregory; And Others

A report describes the Purdue University Calumet Mechanical Engineering Technology (MET) program, especially the approaches used to enhance industrial involvement and take advantage of the urban setting to find real-life senior project problems. The outreach program, used by faculty to find student senior project material, is described along with…

Student Teaching--An Experience of Change and Growth.

ERIC Educational Resources Information Center

Nicholsen, Jean

1980-01-01

Jonathan Livingston Seagull represents the concepts of change and growth in the elementary student teaching program at Indiana University-Purdue University. Student feedback indicates acceptance of the symbolism as it is used in materials and activities to reinforce the motto, "We can be free! We can learn to fly!" (CM)

The Genome of Selaginella: A Remnant of an Ancient Vascular Plant Lineage (JGI Seventh Annual User Meeting, 2012: Genomics of Energy and Environment)

ScienceCinema

Banks, Jody

2018-02-12

Jody Banks from Purdue University on "The Genome of Selaginella, a Remnant of an Ancient Vascular Plant Lineage" at the 7th Annual Genomics of Energy & Environment Meeting on March 21, 2012 in Walnut Creek, Calif.

USEPA Waste Disposal Shareware: Purdue University and USEPA (1988-1989).

ERIC Educational Resources Information Center

Rubleske, Joseph B.; Lindsey, Greg

1997-01-01

Describes and evaluates two USEPA shareware programs called Principles of On-Site Wastewater Treatment (ONSITE) and Residential Waste Treatment Evaluation (RWASTE). ONSITE, a tutorial, provides an overview of septic systems and their relationship to soils. RWASTE builds on ONSITE. Both are effective tools for persons interested in acquiring…

Alternative Approach to Teaching Veterinary Anatomy: A Progress Report

ERIC Educational Resources Information Center

Hullinger, Ronald; Render, Gary F.

1975-01-01

Students in microscopic anatomy at Purdue University School of Veterinary Medicine selected a self-directed or teacher-directed approach to the course. Adoption of the experimental approach described here increased faculty time for evaluating student progress but was supportive of student development particularly in cognitive skills and affective…

Breach to Nowhere

ERIC Educational Resources Information Center

Schaffhauser, Dian

2009-01-01

Will that data breach be the end of a chief security officer (CSO)? Managing information security in higher education requires more than just technical expertise, especially when the heat is cranked up. This article takes a look at how two CSOs deal with hack attacks at their universities. When Purdue University Chief Information Security Officer…

Using Motorsports Design Concepts to Further STEM Education

ERIC Educational Resources Information Center

Hylton, Pete

2010-01-01

Few career paths are as dynamic, exciting, and engaging to potential Science, Technology, Engineering and Math (STEM) students as those in motorsports. Secondary school students, looking forward to their initial driver's licenses and their first cars, are captivated by the speed and color of the sport. Indiana University Purdue University…

The Morale of Teachers of Multihandicapped and Nonhandicapped Children in a Residential School for the Deaf.

ERIC Educational Resources Information Center

Stedt, Joe D.; Palermo, David S.

1983-01-01

Sixty-nine teachers of deaf and multihandicapped deaf children in a school were administered the Purdue Teacher Opinionaire, a standardized device used to measure teacher morale. Among results was that teachers of younger multihandicapped students had significantly higher morale than other groups. (Author)

National Project III, Elevating the Importance of Teaching. Fund Associate's Final Report.

ERIC Educational Resources Information Center

Seibert, Warren F.

Purdue University's participation as a fund associate in National Project III (NP III) for elevating the importance of teaching has its origins in a flexible and diagnostic instructional evaluation system called "CAFETERIA." CAFETERIA services include test development, scoring, and analysis; social surveys on topics of importance in…

Black walnut tree growth in a mixed species, upland hardwood stand in southern Indiana

Treesearch

R.K. Myers; B.C. Fischer

1991-01-01

A study was initiated in 1971 on Purdue University woodlands in southern Indiana to monitor the growth of black walnut rages and survival in the absence of management, as well as establishing stand ante tree development data baselines prior to initiation of management activities.

Why AD Graduates Choose Their First Jobs.

ERIC Educational Resources Information Center

Smokvina, Gloria J.; Bratt, Ellen M.

Reasons for the job selections of 64 associate degree nursing graduates were examined in a pilot study at Purdue University. The basic research question was whether nursing graduates initially view "maintenance" or motivational factors as more important. Based on Herzberg's theory of motivation, information is provided on maintenance or hygiene…

ESL and Internationalization at Purdue University: A History and Analysis

ERIC Educational Resources Information Center

Haan, Jennifer E.

2009-01-01

With the ever growing cultural and linguistic diversity at institutions of higher education, local and institutional language planning is becoming increasingly important. By examining university policies and planning processes, ESL professionals can more appropriately advocate for their students, as well as create and implement language policies…

Careers in the Classics

ERIC Educational Resources Information Center

Lum, Lydia

2005-01-01

America's few Black classics professors have overcome contempt and criticism to contribute a unique perspective to the study of the ancient world. Dr. Patrice Rankine, an associate professor from Purdue University, has grown used to the irony. As one of the few Black classicists teaching at an American university, he has drawn plenty of skepticism…

TQM in a Computer Lab.

ERIC Educational Resources Information Center

Swanson, Dewey A.; Phillips, Julie A.

At the Purdue University School of Technology (PST) at Columbus, Indiana, the Total Quality Management (TQM) philosophy was used in the computer laboratories to better meet student needs. A customer satisfaction survey was conducted to gather data on lab facilities, lab assistants, and hardware/software; other sections of the survey included…

PROCEEDINGS, INDIANA MANPOWER RESEARCH CONFERENCE (PURDUE UNIVERSITY, NOVEMBER 15-16, 1966).

ERIC Educational Resources Information Center

BRICKNER, DALE G.

SIXTY-SEVEN REPRESENTATIVES OF EDUCATION, LABOR, BUSINESS AND GOVERNMENT AGENCIES PARTICIPATED IN THE CONFERENCE SPONSORED BY THE INDIANA MANPOWER RESEARCH ASSOCIATION WHOSE OBJECTIVES ARE TO FURTHER RESEARCH EFFORTS AND TO FACILITATE OPTIMUM USE OF RESEARCH RESULTS BY COORDINATING EFFORTS AND DISSEMINATING REPORTS, STUDIES, DATA, AND INFORMATION…

Lectures and Simulation Laboratories to Improve Learners' Conceptual Understanding

ERIC Educational Resources Information Center

Brophy, Sean P.; Magana, Alejandra J.; Strachan, Alejandro

2013-01-01

We studied the use of online molecular dynamics simulations (MD) to enhance student abilities to understand the atomic processes governing plastic deformation in materials. The target population included a second-year undergraduate engineering course in the School of Materials Engineering at Purdue University. The objectives of the study were to…

Beyond Theory: Improving Public Relations Writing through Computer Technology.

ERIC Educational Resources Information Center

Neff, Bonita Dostal

Computer technology (primarily word processing) enables the student of public relations writing to improve the writing process through increased flexibility in writing, enhanced creativity, increased support of management skills and team work. A new instructional model for computer use in public relations courses at Purdue University Calumet…

From Real Challenges to Virtual Reality: Realizing Your Collection through Digital Partnership

ERIC Educational Resources Information Center

Johnson, Jennifer; Mandity, Edward

2010-01-01

In fall 2008, a collaborative partnership was formed between the libraries of two Indiana universities--Marian College's (now Marian University) Mother Theresa Hackelmeier Memorial Library, and the University Library at Indiana University-Purdue University Indianapolis (IUPUI). The authors discuss the digital nature of this collaboration, which…

How Much? Cost Models for Online Education.

ERIC Educational Resources Information Center

Lorenzo, George

2001-01-01

Reviews some of the research being done in the area of cost models for online education. Describes a cost analysis handbook; an activity-based costing model that was based on an economic model for traditional instruction at the Indiana University Purdue University Indianapolis; and blending other costing models. (LRW)

Using Economics and Genetics To Produce Leaner Pork.

ERIC Educational Resources Information Center

Welch, Mary A., Ed.

1994-01-01

The booklet describes the STAGES (Swine Testing and Genetic Evaluation System) program developed at Purdue University (Indiana), along with the USDA, National Pork Producers Council and swine breed associations. By selecting breeding stock from a coded catalogue developed by STAGES, producers are able to select the best breeding stock for more…

Socialization Experiences Resulting from Engineering Teaching Assistantships at Purdue University

ERIC Educational Resources Information Center

Mena, Irene B.

2010-01-01

The purpose of this study was to explore and understand the types of socialization experiences that result from engineering teaching assistantships. Using situated learning as the theoretical framework and phenomenology as the methodological framework, this study highlights the experiences of 28 engineering doctoral students who worked as…

Staff Training for a NOTIS OPAC: Methodologies and Assessment.

ERIC Educational Resources Information Center

Turner, Brenda

1992-01-01

Describes the online public access catalog training sessions for library faculty and staff at Purdue University, focusing on the design and results of a survey developed to assess training effectiveness. Results of the survey, which are included, showed a need for reinforcing practice sessions. (five references) (EA)

RISE to the IUPUI Challenge: High Impact Practices Focused on Students' Success

ERIC Educational Resources Information Center

Baker, Sarah S.; Fisher, Mary L.; Johnson, Kathy E.

2012-01-01

Civic engagement and student success have become a hallmark of Indiana University--Purdue University Indianapolis (IUPUI). In 2008 a new program supporting increased student engagement and deeper learning was implemented, the RISE (Research, International Study, Service Learning, and Experiential Learning) to the IUPUI Challenge initiative…

Managing Returns in a Catalog Distribution Center

ERIC Educational Resources Information Center

Gates, Joyce; Stuart, Julie Ann; Bonawi-tan, Winston; Loehr, Sarah

2004-01-01

The research team of the Purdue University in the United States developed an algorithm that considers several different factors, in addition to cost, to help catalog distribution centers process their returns more efficiently. A case study to teach the students important concepts involved in developing a solution to the returns disposition problem…

A Recap of the 2011 ISPI University Case Study Competition

ERIC Educational Resources Information Center

Hicks, Karen; Blake, Anne

2012-01-01

In early 2011, the International Society for Performance Improvement (ISPI) invited three universities--University of North Carolina, Charlotte; Purdue University; and Wayne State University--to participate in the third annual University Human Performance Technology (HPT) Case Study Competition. Each university put together a team of three or four…

Thromboembolic Complications in Thermally Injured Patients,

DTIC Science & Technology

1992-12-01

profilaxis con brdld vanec entre 0.4% et 7%. La signification cliniquc de ces heparina, militan en contra de su uso rutinario, excepto en Ev~nements est...centros adopten rutinariamente la profilaxis 8. Purdue, G.F., Hunt, J.L.: Pulmonary emboli in burned patients. J. con heparina de baja dosificaci6n. Se

78 FR 20296 - Purdue University et al.; Notice of Consolidated Decision on Applications for Duty-Free Entry of...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-04-04

... Consolidated Decision on Applications for Duty-Free Entry of Electron Microscope This is a decision... 37235. Instrument: Electron Microscope. Manufacturer: FEI Company, the Netherlands. Intended Use: See... Lafayette, IN 47907-2024. Instrument: Electron Microscope. Manufacturer: FEI Company, the Netherlands...

Online Writing Labs as Sites for Community Engagement

ERIC Educational Resources Information Center

Wells, Jaclyn Michelle

2010-01-01

This dissertation investigates the Community Writing and Education Station (CWEST), a community engagement project that partners a community adult basic literacy program with a university writing lab. The author argues that the community and university partners, the Lafayette Adult Resource Academy (LARA) and the Purdue Writing Lab, offer positive…

Teacher Morale in Rural Northeast Tennessee

ERIC Educational Resources Information Center

Eggers, Brenda Dishman

2012-01-01

The purpose of this quantitative study was to investigate the factors that influence the morale levels of teachers in the public school systems of 3 contiguous counties in rural northeast Tennessee. The level of teacher morale was measured using the Purdue Teacher Opinionaire. Data associated with the Tennessee Value-Added Assessment System…

Helping Faculty Develop Teaching Skills through Workshops.

ERIC Educational Resources Information Center

Russell, James R.; Stafford, Carl W.

This paper describes the teaching skills workshops at Purdue University (Indiana), which were originally developed in 1980 to train graduate assistants to teach college classes but are now being used by the faculty--instructors through full professors--to improve their teaching. It is noted that the workshops have been successfully modified for…

MATERIALS AND TECHNIQUES FOR THE LANGUAGE LABORATORY.

ERIC Educational Resources Information Center

NAJAM, EDWARD W.

THE PROCEEDINGS OF THE SECOND ANNUAL INDIANA-PURDUE LANGUAGE LABORATORY CONFERENCE ARE ORGANIZED, AFTER INTRODUCTORY STATEMENTS BY NAJAM AND LARSEN ON CONTEMPORARY TRENDS IN LANGUAGE INSTRUCTION, UNDER THREE GENERAL HEADINGS PLUS APPENDIXES. IN THE FIRST SECTION DEVOTED TO MATERIALS AND TECHNIQUES ARE ARTICLES BY HYER, GARIMALDI, EDDY, AND SMITH…

Technical Entrepreneurship: A Symposium.

ERIC Educational Resources Information Center

Cooper, Arnold C., Ed.; Komives, John L., Ed.

Contained in this document are papers presented at the Symposium on Technical Entrepreneurship at Purdue University by researchers who were then or had previously been engaged in research in the area. Because formal research in this area was in its infancy, there was a particular need to afford investigators in the field opportunities to compare…

Tracing Assessment Practice as Reflected in "Assessment Update." NILOA Occasional Paper #28

ERIC Educational Resources Information Center

Banta, Trudy W.; Ewell, Peter T.; Cogswell, Cynthia A.

2016-01-01

At some future point, when a definitive history of the assessment movement is written, one of the most frequently cited, influential publications will be "Assessment Update" ("AU"). Since 1989, this bimonthly newsletter has been published by Jossey-Bass in partnership with Indiana University-Purdue University Indianapolis…

Teaching Geology on Weekends and at Shopping Centers.

ERIC Educational Resources Information Center

Mirsky, Arthur; East, James R.

1981-01-01

The success of an outreach education program held by Indiana University-Purdue University at Indianapolis is described. The college offers regular credit courses on Saturday and Sunday for people who could not take regularly scheduled courses. A Learn and Shop program held at shopping centers is also described. (JT)

Formative Assessment Probes: Teachers as Classroom Researchers

ERIC Educational Resources Information Center

Keeley, Page

2011-01-01

This column focuses on promoting learning through assessment. In 1999, a group of researchers from Indiana University and Purdue University decided to investigate data about students' ideas in science by inviting National Science Teachers Association members to participate in a research study about children's conceptions of animals. Published in…

Statistical evaluation of nutritional components impacting phycocyanin production Synechocystis SP.

PubMed Central

Deshmukh, Devendra V.; Puranik, Pravin R.

2012-01-01

Alkaliphilic cyanobacterial cultures were isolated from Lonar lake (MS, India). Among the set of cultures, Synechocystis sp, was studied for phycocyanin production. A maximum yield was obtained in BG-11 medium at optimized conditions (pH 10 and 16 h light). In order to increase the phycocyanin yield media optimization based on the eight media components a Plackett-Burman design of the 12 experimental trials was used. As per the analysis CaCl2, 2H2O and Na2CO3 have been found to be the most influencing media components at 95% significance. Further the optimum concentrations of these components were estimated following a Box Wilson Central Composite Design (CCD) with four star points and five replicates at the center points for each of two factors was adopted for optimization of these two media components. The results indicated that there was an interlinked influence of CaCl2, 2H2O and Na2CO3 on 98% significance. The maximum yield of phycocyanin (12% of dry wt) could be obtained at 0.058 g/l and 0.115 g/l of CaCl2, 2H2O and Na2CO3, respectively. PMID:24031838

Study of plasma-facing components in the Lithium Tokamak Experiment with the Materials Analysis and Particle Probe

NASA Astrophysics Data System (ADS)

Lucia, M.; Kaita, R.; Majeski, R.; Boyle, D. P.; Granstedt, E. M.; Jacobson, C. M.; Schmitt, J. C.; Allain, J. P.; Bedoya, F.; Gonderman, S.

2013-10-01

The Lithium Tokamak Experiment (LTX) is a spherical torus designed to accommodate solid or liquid lithium as the primary plasma-facing component (PFC). We present initial results from the implementation on LTX of the Materials Analysis and Particle Probe (MAPP) diagnostic, a collaboration among PPPL, Purdue University, and the University of Illinois. MAPP is a compact in vacuo surface science diagnostic, and its operation on LTX will provide the first ever in situ surface measurements of a tokamak first wall environment. With MAPP's analysis techniques, we will study the evolution of the surface chemistry of LTX's first wall as a function of varied temperature and lithium coating. During its 2013 run campaign, LTX will use an electron beam to evaporate lithium onto the first wall from an in-vessel reservoir. We will use two quartz crystal microbalances to estimate thickness of lithium coatings thus applied to the MAPP probe. We have recently installed a set of triple Langmuir probes on LTX, and they will be used to relate LTX edge plasma parameters to MAPP results. We will combine data from MAPP and the triple probes to estimate the local edge recycling coefficient based on desorption of retained hydrogen. This work was supported by U.S. DOE contract DE-AC02-09CH11466.

Designing the ideal habitat for entomopathogen use in nursery production.

PubMed

Nielsen, Anne L; Lewis, Edwin E

2012-07-01

Greenhouse and nursery producers use entomopathogens (nematodes and fungi) to control soil pests. Although it is known that the physical and chemical properties of mineral soil significantly impact upon soil pathogens, the influence of soilless media used for plant production on entomopathogen performance is poorly understood. Survival and foraging distance were differently affected by sand:peat, bark and sawdust media for entomopathogenic nematodes, but not for the immobile fungus Metarhizium anisopliae. Redwood sawdust medium consistently had a negative impact upon entomopathogenic nematodes. Dividing media into individual components supported the hypothesis that redwood sawdust reduced foraging and infection abilities of S. riobrave and H. bacteriophora. Physically altering the components by adding sand significantly improved foraging and infection success for S. riobrave in media not optimum for foraging. This study is the first to highlight the importance of selecting the appropriate soilless media and pathogen species combinations to increase efficacy of biological control. H. bacteriophora was able to find hosts in a wider diversity of medium components than S. riobrave, although both nematode species performed well in peat moss and recycled plant material. These results suggest that peat moss, recycled plant material and hardwood bark are components amenable to EPN biological control programs. Copyright © 2012 Society of Chemical Industry.

The Evaluation of North Carolina's State-Sponsored Youth Tobacco Prevention Media Campaign

ERIC Educational Resources Information Center

Kandra, K. L.; McCullough, A.; Summerlin-Long, S.; Agans, R.; Ranney, L.; Goldstein, A. O.

2013-01-01

In 2003, the state of North Carolina (NC) implemented a multi-component initiative focused on teenage tobacco use prevention and cessation. One component of this initiative is "Tobacco.Reality.Unfiltered." ("TRU"), a tobacco prevention media campaign, aimed at NC youth aged 11-17 years. This research evaluates the first 5 years…

The role of appearance schematicity in the internalization of media appearance ideals: A panel study of preadolescents.

PubMed

Rousseau, Ann; Gamble, Hilary; Eggermont, Steven

2017-10-01

Individuals who are more strongly invested in their appearance, appearance schematics, have a tendency to engage in appearance-related comparison. Appearance schematicity consists of two components. The self-evaluative component concerns the degree to which appearance is central to self-worth, referred to as dysfunctional appearance beliefs. Motivational salience refers to the engagement in behaviors designed to enhance appearance, such as body surveillance. Based on a three-wave panel survey of 973 Flemish preadolescents (M age  = 11.15, SD = 1.13) we found that the motivational and self-evaluative components had a different impact on media internalization. For preadolescents who engaged in more body surveillance, watching television resulted in more media internalization. For preadolescents who had fewer dysfunctional appearance beliefs, watching television resulted in more media internalization. These findings suggest that appearance schematicity is an important susceptibility variable in the relationship between TV-exposure and media internalization, and emphasize the importance of investigating individual dispositions beyond gender differences. Copyright © 2017 The Foundation for Professionals in Services for Adolescents. Published by Elsevier Ltd. All rights reserved.

Phase velocity in 2D TTI media

NASA Astrophysics Data System (ADS)

Xuan, Yihua; He, Qiaodeng; Lin, Yan

2007-03-01

We derive an expression for phase velocity in 2D tilted transverse isotropy (TTI) media. Snapshots of phase velocity in TTI and transverse isotropy (TI) model media are simulated and analyzed using the derived expression. In addition, the x-component character differences between the modeled phase velocities of the two media models are compared and analyzed.

New Perspectives on Human Problem Solving

ERIC Educational Resources Information Center

Goldstone, Robert L.; Pizlo, Zygmunt

2009-01-01

In November 2008 at Purdue University, the 2nd Workshop on Human Problem Solving was held. This workshop, which was a natural continuation of the first workshop devoted almost exclusively to optimization problems, addressed a wider range of topics that reflect the scope of the "Journal of Problem Solving." The workshop was attended by 35…

Digging for Gold

ERIC Educational Resources Information Center

Waters, John K.

2012-01-01

In the case of higher education, the hills are more like mountains of data that "we're accumulating at a ferocious rate," according to Gerry McCartney, CIO of Purdue University (Indiana). "Every higher education institution has this data, but it just sits there like gold in the ground," complains McCartney. Big Data and the new tools people are…

CLINIC-LABORATORY DESIGN BASED ON FUNCTION AND PHILOSOPHY AT PURDUE UNIVERSITY.

ERIC Educational Resources Information Center

HANLEY, T.D.; STEER, M.D.

THIS REPORT DESCRIBES THE DESIGN OF A NEW CLINIC AND LABORATORY FOR SPEECH AND HEARING TO ACCOMMODATE THE THREE BASIC PROGRAMS OF--(1) CLINICAL TRAINING OF UNDERGRADUATE AND GRADUATE STUDENT MAJORS, (2) SERVICES MADE AVAILABLE TO THE SPEECH AND HEARING HANDICAPPED, AND (3) RESEARCH IN SPEECH PATHOLOGY, AUDIOLOGY, PSYCHO-ACOUSTICS, AND…

Information Portals: A New Tool for Teaching Information Literacy Skills

ERIC Educational Resources Information Center

Kolah, Debra; Fosmire, Michael

2010-01-01

Librarians at Rice and Purdue Universities created novel assignments to teach students important information literacy skills. The assignments required the students to use a third-party web site, PageFlakes and NetVibes, respectively, to create a dynamically updated portal to information they needed for their research and class projects. The use of…

A Continuing Experiment in Mass Education - A Progress Report.

ERIC Educational Resources Information Center

Knuckman, Charlene S.; McGee, Reece

The Purdue experiment in mass instruction in undergraduate sociology was initiated in the fall of 1967. Lectures are combined with group discussions, and achievement in the course is evaluated mainly by essays written during the semester. Data reported were collected during three successive semesters when minor changes were made in course…

Audio-Visual Equipment Depreciation. RDU-75-07.

ERIC Educational Resources Information Center

Drake, Miriam A.; Baker, Martha

A study was conducted at Purdue University to gather operational and budgetary planning data for the Libraries and Audiovisual Center. The objectives were: (1) to complete a current inventory of equipment including year of purchase, costs, and salvage value; (2) to determine useful life data for general classes of equipment; and (3) to determine…

Translation as a Multilingual and Multicultural Mirror Framed by Service-Learning

ERIC Educational Resources Information Center

Bugel, Talia

2013-01-01

The service-learning Spanish translation course (Spanish 315: "Spanish in the Business World") taught at Indiana University-Purdue University Fort Wayne in the fall of 2010 and spring of 2012 provided an ideal context for the students to connect with the Hispanic community in our geographical region. Once the connection through service…

Systems 2020

DTIC Science & Technology

2012-03-22

USC Team Members: SERC Research Council Dr. Abhi Deshmukh , Purdue Dr. Michael Griffin. U. Alabama-Huntsville Dr. Barry Horowitz, U. Virginia Dr...Areas ................................................. 34 3.2.1 Affordability, Agility, and Resilience (Barry Boehm and Abhi Deshmukh , Leads...statement was reinterpreted to involve the SERC Research Council (Drs. Deshmukh , Griffin, Horowitz, Rouse, and Wade, with Dr. Boehm as chair) in defining

A Model for Administrative Evaluation by Subordinates.

ERIC Educational Resources Information Center

Budig, Jeanne E.

Under the administrator evaluation program adopted at Vincennes University, all faculty and professional staff are invited to evaluate each administrator above them in the chain of command. Originally based on the Purdue University "cafeteria" system, this evaluation model has been used biannually for 10 years. In an effort to simplify the system,…

iLearning: The Future of Higher Education? Student Perceptions on Learning with Mobile Tablets

ERIC Educational Resources Information Center

Rossing, Jonathan P.; Miller, Willie M.; Cecil, Amanda K.; Stamper, Suzan E.

2012-01-01

The growing use of mobile technology on college campuses suggests the future of the classroom, including learning activities, research, and even student faculty communications, will rely heavily on mobile technology. Since Fall 2010, an interdisciplinary team of faculty from Indiana University--Purdue University Indianapolis (IUPUI) has…

Design, Implementation, and Evaluation of a Flipped Format General Chemistry Course

ERIC Educational Resources Information Center

Weaver, Gabriela C.; SturtevantHannah G.

2015-01-01

Research has consistently shown that active problem-solving in a collaborative environment supports more effective learning than the traditional lecture approach. In this study, a flipped classroom format was implemented and evaluated in the chemistry majors' sequence at Purdue University over a period of three years. What was formerly lecture…

The Development of a Model for Designing Carrel Experiences for Science Students.

ERIC Educational Resources Information Center

Russell, James Douglas

A description of the systems approach to designing of carrel experiences for science students is presented to provide a logical sequence and structure for instructional decisions. A brief historical discussion dating from 1961 and Postlethwait's work at Purdue University is given, and a rationale for the carrel approach is provided. The…

Design & Delivery of Training for a State-Wide Data Communication Network.

ERIC Educational Resources Information Center

Zacher, Candace M.

This report describes the process of development of training for agricultural research, teaching, and extension professionals in how to use the Fast Agricultural Communications Terminal (FACTS) computer network at Purdue University (Indiana), which is currently being upgraded in order to utilize the latest computer technology. The FACTS system is…

76 FR 6049 - Amendment of Class E Airspace; Lafayette, Purdue University Airport, IN

Federal Register 2010, 2011, 2012, 2013, 2014

2011-02-03

...;to and codified in the Code of Federal Regulations, which is published #0;under 50 titles pursuant to... E airspace at Lafayette, IN, to accommodate new Area Navigation (RNAV) Standard Instrument Approach Procedures (SIAP) at Clarian Arnett Heliport, Lafayette, IN. The FAA is taking this action to enhance the...

Polytechnic: Taking the Plunge

ERIC Educational Resources Information Center

Swanson, Dewey; Gusev, Dmitri A.

2017-01-01

The Purdue Polytechnic Institute was created two years ago from the former College of Technology. This was more than a name change; it represented a transformation which will have an impact not only the curriculum, but on learning, and teaching methods. Students need technical skills but they must also be able to collaborate, be problem solvers,…

The Effects of Computer-Aided Design Software on Engineering Students' Spatial Visualisation Skills

ERIC Educational Resources Information Center

Kösa, Temel; Karakus, Fatih

2018-01-01

The purpose of this study was to determine the influence of computer-aided design (CAD) software-based instruction on the spatial visualisation skills of freshman engineering students in a computer-aided engineering drawing course. A quasi-experimental design was applied, using the Purdue Spatial Visualization Test-Visualization of Rotations…

Distance Education via the Internet (Methodology and Results).

ERIC Educational Resources Information Center

Verbrugge, William

While Purdue University Calumet (PUC) (Hammond, Indiana) has been a receiver of distance education for a number of years, a number of faculty expressed interest in developing courseware that would allow PUC to be a provider. After a distance education mission statement and goals were outlined, a pilot course was established. The distance education…

Factors of Spatial Visualization: An Analysis of the PSVT:R

ERIC Educational Resources Information Center

Ernst, Jeremy V.; Willams, Thomas O.; Clark, Aaron C.; Kelly, Daniel P.

2017-01-01

The Purdue Spatial Visualization Test: Visualization of Rotations (PVST:R) is among the most commonly used measurement instruments to assess spatial ability among engineering students. Previous analysis that explores the factor structure of the PSVT:R indicates a single-factor measure of the instrument. With this as a basis, this research seeks to…

Neurophysiological Research Supporting the Investigation of Adaptive Network Architectures

DTIC Science & Technology

1988-05-01

cadmium . Eur. J. Pharm. 90, 289-292, (1983). p 2, .S PAGE 59 Curriculum Vita Neil E. Berthier April 1983 I• Personal: Born July 1, 1953; Married; SSN...Birt Birth Date: August 20, 1946 Place of Birth: Wabash , Indiana Nationality: U.S. Education: B.S., Purdue University, June 1968. Major: Psychology

Speech Quality Measurement

DTIC Science & Technology

1978-05-01

Program is a cooperative venture between RADC and some sixty-five universities eligible to participate in the program. Syracuse Uiaiversity (Department...of Electrical and Computer Engineering), Purdue University (School of Electrical Engineering), Georgia Institute of Technology (School of Electrical...Engineering), and State University of New York at Buffalo (Department of Electrical / ,./. / Engineering) act as prime contractor schools with other

Laser-Based Multiphoton Excitation Processes in Combustion Diagnostics

DTIC Science & Technology

1990-07-01

Free Two- Photon Spectroscopy of Hydrogen 1S-2S*," Physical Review Letters, Vol. 34, No. 6, pp.307-309, February 1975. 22. R.C. Sausa, A.J. Alfano , and...Information Agency ATTN: E. Grant ATTN: T.W. Christian West Lafayette, IN 47906 Johns Hopkins Road Laurel, MD 20707 2 Purdue University School of

First report of bacterial blight of carrot in Indiana caused by Xanthomonas hortorum pv. carotae

USDA-ARS?s Scientific Manuscript database

In summer 2012, bacterial blight symptoms were observed on leaves of carrot plants in 7 out of 70 plots of carrot breeding lines at the Purdue University Meig Horticulture Research Farm, Lafayette, IN. Symptoms included small to large, variably shaped, water soaked to dry, necrotic lesions, with or ...

Wise, Holistic Thinking: An Interview with Jean Sunde Peterson

ERIC Educational Resources Information Center

Henshon, Suzanna E.

2012-01-01

This article presents an interview with Jean Sunde Peterson, professor and director of school-counselor preparation in the Department of Educational Studies at Purdue University. She is a licensed mental health counselor and a national certified counselor, planning to return to clinical work with gifted children and adolescents and their families…

Down with Walls, Up with Malls: Taking Classes to the Shopping Centers.

ERIC Educational Resources Information Center

Duerden, Noel H.

1980-01-01

Learn and Shop, a concept of offering university credit courses by university faculty in shopping centers which was developed by Indiana University-Purdue University in Indianapolis, is described. The Learn and Shop curriculum permits individuals to earn a two-year associate degree in liberal arts entirely at shopping centers. (MLW)

Examining the Role of Reflection in ePortfolios: A Case Study

ERIC Educational Resources Information Center

Landis, Cynthia M.; Scott, Susan B.; Kahn, Susan

2015-01-01

Extended institutional experience with ePortfolios grounded and framed this qualitative case study guided by the research question: Why, how, and with what success is reflection, as a teaching/learning process, employed among ePortfolio projects at Indiana University-Purdue University Indianapolis (IUPUI)? Thirty-two representatives of 16 varied…

Strategic plans for the Hardwood Tree Improvement and Regeneration Center

Treesearch

Charles H. Michler; Keith E. Woeste

2002-01-01

The mission of the Hardwood Tree Improvement and Regeneration Center (HTIRC) at Purdue University is to advance the science of hardwood tree improvement and genomics in the central hardwood region of the United States by: developing and disseminating knowledge on improving the genetic quality of hardwood tree species; conserving fine hardwood germplasm; developing...

75 FR 68554 - Proposed Amendment of Class E Airspace; Lafayette, Purdue University Airport, IN

Federal Register 2010, 2011, 2012, 2013, 2014

2010-11-08

... also submit comments through the Internet at http://www.regulations.gov . You may review the public... Office between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The Docket Office... regulatory, aeronautical, economic, environmental, and energy-related aspects of the proposal. Communications...

Michael Driver: A Career Life to Remember

ERIC Educational Resources Information Center

Sundby, Dianne; Derr, C. Brooklyn

2007-01-01

Purpose: The purpose of this paper is to present a retrospective of the career life of Michael Driver, from the time of his Princeton graduate studies and early faculty years at Purdue University through the over three decades he spent at USC. Design/methodology/approach: The history and development of his theoretical and research interests are…

76 FR 68225 - License Renewal Application for Purdue University

Federal Register 2010, 2011, 2012, 2013, 2014

2011-11-03

... each contention, the petitioner must provide a specific statement of the issue of law or fact to be... response to the application. The petition must also include a concise statement of the alleged facts or... exists with the applicant on a material issue of law or fact, including references to specific portions...

The Procter and Gamble Decaffeination Project: A Multimedia Instruction Module.

ERIC Educational Resources Information Center

Squires, R. G.; And Others

1996-01-01

Purdue University (Indiana) is developing a series of computer modules of state-of-the-art chemical engineering processes to serve as the basis for computer-simulated experiments. One, sponsored by Procter and Gamble, models the extraction step in the decaffeination process and allows students to determine the optimal extraction conditions for…

Interview with David Moore

ERIC Educational Resources Information Center

Rossman, Allan; Dietz, E. Jacquelin; Moor, David

2013-01-01

David Moore is Professor Emeritus of Statistics at Purdue University. He served as the first President of the International Association for Statistical Education (IASE) from 1993-1995 and as President of the American Statistical Association (ASA) in 1998. He is a Fellow of the ASA and of the IMS and was awarded the ASA's Founders Award in…

Colleges Mine Data to Predict Dropouts

ERIC Educational Resources Information Center

Rampell, Catherine

2008-01-01

This article reports that several colleges and universities like Purdue University are mining data they have about students to try to improve retention. The institutions analyze years' worth of data on which students did well and which did poorly, and what variables--whether they be SAT scores, financial-aid status, or attendance at the dining…

21st-Century Citizen Scholars: Testing What Is Possible and Desirable.

ERIC Educational Resources Information Center

Schwartz, Helen J.

A pilot program at Indiana University-Purdue University at Indianapolis (IUPUI), called the Twenty-First Century Citizen Scholars, explores and evaluates the pedagogy of computer conferencing in writing-across-the-curriculum and makes sure of equal access by students. The purpose of the project is to build intellectual coherence, reduce conflict…

The Art of Education

ERIC Educational Resources Information Center

Abdul-Alim, Jamaal

2012-01-01

Dr. Robert F. Sabol, professor of visual and performing arts at Purdue University says that art education has suffered some serious setbacks since No Child Left Behind--the landmark federal education law that put a greater emphasis on high-stakes testing. Since No Child Left Behind became law in 2002, school systems--under increased pressure to…

Audio-Tutorial Instruction: A Strategy For Teaching Introductory College Geology.

ERIC Educational Resources Information Center

Fenner, Peter; Andrews, Ted F.

The rationale of audio-tutorial instruction is discussed, and the history and development of the audio-tutorial botany program at Purdue University is described. Audio-tutorial programs in geology at eleven colleges and one school are described, illustrating several ways in which programs have been developed and integrated into courses. Programs…

1984 Winners of the Cost Reduction Incentive Awards. NACUBO/USSF.

ERIC Educational Resources Information Center

National Association of College and University Business Officers, Washington, DC.

Abstracts of college projects that were winners of the ninth annual Cost Reduction Incentive Awards Program are presented, including 47 programs that received monetary awards and 11 that received honorable mentions. One of the three top winners was Indiana University-Purdue University at Indianapolis, which used an ultrasound device to detect…

Conversion of LARSYS III.1 to an IBM 370 computer

NASA Technical Reports Server (NTRS)

Williams, G. N.; Leggett, J.; Hascall, G. A.

1975-01-01

A software system for processing multispectral aircraft or satellite data (LARSYS) was designed and written at the Laboratory for Applications of Remote Sensing at Purdue University. This system, being implemented on an IBM 360/67 computer utilizing the Cambridge Monitor System, is of an interactive nature. TAMU LARSYS maintains the essential capabilities of Purdue's LARSYS. The machine configuration for which it has been converted is an IBM-compatible Amdahl 470V/6 computer utilizing the time sharing option of the currently implemented OS/VS2 Operating System. Due to TSO limitations, the NASA-JSC deliverable TAMU LARSYS is comprised of two parts. Part one is a TSO Control Card Checker for LARSYS control cards, and part two is a batch version of LARSYS. Used together, they afford most of the capabilities of the original LARSYS III.1. Additionally, two programs have been written by TAMU to support LARSYS processing. The first is an ERTS-to-MIST conversion program used to convert ERTS data to the LARSYS input form, the MIST tape. The second is a system runtable code which maintains tape/file location information for the MIST data sets.

Materials properties numerical database system established and operational at CINDAS/Purdue University

NASA Technical Reports Server (NTRS)

Ho, C. Y.; Li, H. H.

1989-01-01

A computerized comprehensive numerical database system on the mechanical, thermophysical, electronic, electrical, magnetic, optical, and other properties of various types of technologically important materials such as metals, alloys, composites, dielectrics, polymers, and ceramics has been established and operational at the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) of Purdue University. This is an on-line, interactive, menu-driven, user-friendly database system. Users can easily search, retrieve, and manipulate the data from the database system without learning special query language, special commands, standardized names of materials, properties, variables, etc. It enables both the direct mode of search/retrieval of data for specified materials, properties, independent variables, etc., and the inverted mode of search/retrieval of candidate materials that meet a set of specified requirements (which is the computer-aided materials selection). It enables also tabular and graphical displays and on-line data manipulations such as units conversion, variables transformation, statistical analysis, etc., of the retrieved data. The development, content, accessibility, etc., of the database system are presented and discussed.

A single instrument: engineering and engineering technology students demonstrating competence in ethics and professional standards.

PubMed

Feldhaus, Charles R; Wolter, Robert M; Hundley, Stephen P; Diemer, Tim

2006-04-01

This paper details efforts by the Purdue School of Engineering and Technology at Indiana University Purdue University Indianapolis (IUPUI) to create a single instrument for honors science, technology, engineering and mathematics (STEM) students wishing to demonstrate competence in the IUPUI Principles of Undergraduate Learning (PUL's) and Accreditation Board for Engineering and Technology (ABET) Engineering Accreditation Criterion (EAC) and Technology Accreditation Criterion (TAC) 2, a through k. Honors courses in Human Behavior, Ethical Decision-Making, Applied Leadership, International Issues and Leadership Theories and Processes were created along with a specific menu of activities and an assessment rubric based on PUL's and ABET criteria to evaluate student performance in the aforementioned courses. Students who complete the series of 18 Honors Credit hours are eligible for an Honors Certificate in Leadership Studies from the Department of Organizational Leadership and Supervision. Finally, an accounting of how various university assessment criteria, in this case the IUPUI Principles of Undergraduate Learning, can be linked to ABET outcomes and prove student competence in both, using the aforementioned courses, menu of items, and assessment rubrics; these will be analyzed and discussed.

Very high energy gamma astronomy at the South Pole

NASA Astrophysics Data System (ADS)

Landi, G.

1991-07-01

The Air Cherenkov Technique (ACT) is a very important tool to extend our present knowledge on very high energy (VHE) gamma emission from compact astrophysical sources. To overcome the intrinsic limitations of this technique, we are testing the possibility of installing an ACT Telescope at the South Pole. This site is ideal for several reasons: The long polar night permits almost continuous ovservation of a source (up to 400 hours per month and 1700 hours per year). The circumpolarity of the sky simplifies data analysis. The region of the sky is particularly rich in candidate sources. To test the effectiveness of the site, we installed a prototype telescope in the austral summer of 1989-1990. The prototype started to operate in May 1990. Bartol, Firenze, Purdue, Smithsonian, Wisconsin Collaboration. Members are: M. Pomerantz, Bartol; G. Barbagli, G. Castellini, G. Landi, M. Salvati, Firenze; J. Gaidos, F. Loeffler, G. Sembrosky, C. Wilson, G. Zirnstein, Purdue Univ.; P. Slane, A. Szentgyorgy, T.C. Weekes, Smithsonian; U. Camerini, K. Engel, M. Frankowski, W.F. Fry, F. Halzen, J. Jacobsen, M. Jaworski, A. Kenter, R. March, R. Morse, Univ. of Wisconsin

Assessing the engineering performance of affordable net-zero energy housing

NASA Astrophysics Data System (ADS)

Wallpe, Jordan P.

The purpose of this research was to evaluate affordable technologies that are capable of providing attractive, cost-effective energy savings to the housing industry. The research did so by investigating the 2011 Solar Decathlon competition, with additional insight from the Purdue INhome. Insight from the Purdue INhome verified the importance of using a three step design process to design a net-zero energy building. In addition, energy consumption values of the INhome were used to compare and contrast different systems used in other houses. Evaluation of unbiased competition contests gave a better understanding of how a house can realistically reach net-zero. Upon comparison, off-the-shelf engineering systems such as super-efficient HVAC units, heat pump hot water heaters, and properly designed photovoltaic arrays can affordably enable a house to become net-zero. These important and applicable technologies realized from the Solar Decathlon will reduce the 22 percent of all energy consumed through the residential sector in the United States. In conclusion, affordable net-zero energy buildings can be built today with commitment from design professionals, manufacturers, and home owners.

Biocompatibility of Tygon® tubing in microfluidic cell culture.

PubMed

Jiang, Xiao; Jeffries, Rex E; Acosta, Miguel A; Tikunov, Andrey P; Macdonald, Jeffrey M; Walker, Glenn M; Gamcsik, Michael P

2015-02-01

Growth of the MDA-MB-231 breast cancer cell line in microfluidic channels was inhibited when culture media was delivered to the channels via microbore Tygon® tubing. Culture media incubated within this tubing also inhibited growth of these cells in conventional 96-well plates. These detrimental effects were not due to depletion of critical nutrients due to adsorption of media components onto the tubing surface. A pH change was also ruled out as a cause. Nuclear magnetic resonance spectroscopy of the cell growth media before and after incubation in the tubing confirmed no detectable loss of media components but did detect the presence of additional unidentified signals in the aliphatic region of the spectrum. These results indicate leaching of a chemical species from microbore Tygon® tubing that can affect cell growth in microfluidic devices.

Digital Media's Transformative Role in Education: Beyond Potential to Essential

ERIC Educational Resources Information Center

Chien, Ming-tso

2012-01-01

Achieving effective learning via digital media continues to be a major concern in contemporary education. The daily use of all forms of digital media is part of our lives and therefore becomes a key component of education. Educators must consider the process of digital media curriculum as a learning model and form of experience adapted to…

The Emotional Impact of Traditional and New Media in Social Events

ERIC Educational Resources Information Center

Salcudean, Minodora; Muresan, Raluca

2017-01-01

In past times, media were the sole vector to reflect in their entire complexity the events surrounding major world tragedies. Nowadays, social media are an essential component of the media process and classical press channels are connected to the social networking flow, where they can find information and, at the same time, tap into the emotional…

Longitudinal evaluation of fine motor skills in children with leukemia.

PubMed

Hockenberry, Marilyn; Krull, Kevin; Moore, Ki; Gregurich, Mary Ann; Casey, Marissa E; Kaemingk, Kris

2007-08-01

Improved survival for children with acute lymphocytic leukemia (ALL) has allowed investigators to focus on the adverse or side effects of treatment and to develop interventions that promote cure while decreasing the long-term effects of therapy. Although much attention has been given to the significant neurocognitive sequelae that can occur after ALL therapy, limited investigation is found addressing fine motor function in these children and motor function that may contribute to neurocognitive deficits in ALL survivors. Fine motor and sensory-perceptual performances were examined in 82 children with ALL within 6-months of diagnosis and annually for 2 years (year 1 and year 2, respectively) during therapy. Purdue Pegboard assessments indicated significant slowing of fine motor speed and dexterity for the dominant hand, nondominant hand, and both hands simultaneously for children in this study. Mean Visual-Motor Integration (VMI) scores for children with low-risk and high-risk ALL decreased from the first evaluation to year 1 and again at year 2. Mean VMI scores for children with standard risk ALL increased from the first evaluation to year 1 and then decreased at year 2. Significant positive correlations were found between the Purdue and the VMI at both year 1 and year 2, suggesting that the Pegboard performance consistently predicts the later decline in visual-motor integration. Significant correlations were found between the Purdue Pegboard at baseline and the Performance IQ during year 1, though less consistently during year 2. A similar pattern was also observed between the baseline Pegboard performance and performance on the Coding and Symbol Search subtests during year 1 and year 2. In this study, children with ALL experienced significant and persistent visual-motor problems throughout therapy. These problems continued during the first and second years of treatment. These basic processing skills are necessary to the development of higher-level cognitive abilities, including nonverbal intelligence and academic achievement, particularly in arithmetic and written language.

Predictive Engineering Tools for Injection-Molded Long-Carbon-Fiber Thermoplastic Composites - FY 2014 First Quarterly Report

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

Nguyen, Ba Nghiep; Sanborn, Scott E.; Simmons, Kevin L.

2014-02-19

The CRADA between PNNL, Autodesk, Toyota and Magna has been effective since October 28th, 2013. The whole team including CRADA and subcontract partners kicked off the project technically on November 1st, 2013. This report describes work performed during the first quarter of FY 2014. The following technical progresses have been made toward project milestones: 1) The project kickoff meeting was organized at PlastiComp, Inc. in Winona on November 13th, 2013 involving all the project partners. During this meeting the research plan and Gantt chart were discussed and refined. The coordination of the research activities among the partners was also discussedmore » to ensure that the deliverables and timeline will be met. 2) Autodesk delivered a research version of ASMI to PNNL for process modeling using this tool under the project. PNNL installed this research version on a PNNL computer and tested it. Currently, PNNL is using ASMI to prepare the models for PlastiComp plaques. 3) PlastiComp has compounded long carbon-fiber reinforced polypropylene and polyamide 6,6 compounds for rheological and thermal characterization tests by the Autodesk laboratories in Melbourne, Australia. 4) Initial mold flow analysis was carried out by PlastiComp to confirm that the 3D complex part selected by Toyota as a representative automotive part is moldable. 5) Toyota, Magna, PlastiComp and PNNL finalized the planning for molding the Toyota 3D complex part. 6) Purdue University worked with PNNL to update and specify the test matrix for characterization of fiber length/orientation. 7) Purdue University developed tools to automate the data collection and analysis of fiber length and orientation measurements. 8) Purdue University designed and specified equipment to replace the need for equipment using the technology established by the University of Leeds at General Motors.« less

White Vegetables: A Forgotten Source of Nutrients: Purdue Roundtable Executive Summary12

PubMed Central

Weaver, Connie; Marr, Elizabeth T.

2013-01-01

Purdue University convened a scientific roundtable, “White Vegetables: A Forgotten Source of Nutrients,” in Chicago, IL, June 18–19, 2012, to bring together experts to address the contributions of white vegetables, including potatoes, as sources of key nutrients and other microconstituents within a dietary pattern supporting health and wellness. This paper summarizes the meeting and supplement papers, including discussion among participants. The group of researchers identified areas of ambiguity regarding classification of vegetables for research and dietary guidance, future research needs, and the imperative to draw on that research to enhance evidence-based dietary guidance about white vegetables, including potatoes. U.S. dietary guidance encourages consumption of a variety of fruits and vegetables, including at least 1 serving of a dark green and 1 orange vegetable daily. However, no such recommendation exists for white vegetables, such as potatoes, cauliflowers, turnips, onions, parsnips, mushrooms, corn, and kohlrabi. Vegetable subgrouping approaches need to be considered in the context of nutrients of concern and low fruits and vegetable consumption. This Roundtable and supplement provide a substantial body of evidence to demonstrate how the inclusion of white vegetables, such as potatoes, can increase shortfall nutrients, notably fiber, potassium, and magnesium, as well as help increase overall vegetable consumption among children, teens, and adults in the United States. In so doing, these increases can help consumers to effectively and economically meet the recommended 2010 Dietary Guidelines for Americans vegetable servings and improve nutrient intake for all age and sex categories. Although inclusion of many types of vegetables in the diet improves nutritional adequacy, a priority public health message is to increase vegetable consumption. Potatoes appear to be a pathway to increased vegetable consumption, thereby helping to meet the recommended 2010 Dietary Guidelines for Americans servings for vegetables provided the forms served limit the amount of added salt and fat. Potatoes, in all forms, when consumed in MyPlate serving sizes, can be part of health-promoting dietary patterns. More research is needed to determine the health contributions of white vegetables as a source of nutrients and bioactive constituents and their bioavailability beyond the isolated components. PMID:23674800

MultiSpec: A Desktop and Online Geospatial Image Data Processing Tool

NASA Astrophysics Data System (ADS)

Biehl, L. L.; Hsu, W. K.; Maud, A. R. M.; Yeh, T. T.

2017-12-01

MultiSpec is an easy to learn and use, freeware image processing tool for interactively analyzing a broad spectrum of geospatial image data, with capabilities such as image display, unsupervised and supervised classification, feature extraction, feature enhancement, and several other functions. Originally developed for Macintosh and Windows desktop computers, it has a community of several thousand users worldwide, including researchers and educators, as a practical and robust solution for analyzing multispectral and hyperspectral remote sensing data in several different file formats. More recently MultiSpec was adapted to run in the HUBzero collaboration platform so that it can be used within a web browser, allowing new user communities to be engaged through science gateways. MultiSpec Online has also been extended to interoperate with other components (e.g., data management) in HUBzero through integration with the geospatial data building blocks (GABBs) project. This integration enables a user to directly launch MultiSpec Online from data that is stored and/or shared in a HUBzero gateway and to save output data from MultiSpec Online to hub storage, allowing data sharing and multi-step workflows without having to move data between different systems. MultiSpec has also been used in K-12 classes for which one example is the GLOBE program (www.globe.gov) and in outreach material such as that provided by the USGS (eros.usgs.gov/educational-activities). MultiSpec Online now provides teachers with another way to use MultiSpec without having to install the desktop tool. Recently MultiSpec Online was used in a geospatial data session with 30-35 middle school students at the Turned Onto Technology and Leadership (TOTAL) Camp in the summers of 2016 and 2017 at Purdue University. The students worked on a flood mapping exercise using Landsat 5 data to learn about land remote sensing using supervised classification techniques. Online documentation is available for MultiSpec (engineering.purdue.edu/ biehl/MultiSpec/) including a reference manual and several tutorials allowing young high-school students through research faculty to learn the basic functions in MultiSpec. Some of the tutorials have been translated to other languages by MultiSpec users.

In Vitro Analysis of Pseudomonas aeruginosa Virulence Using Conditions That Mimic the Environment at Specific Infection Sites.

PubMed

Colmer-Hamood, J A; Dzvova, N; Kruczek, C; Hamood, A N

2016-01-01

Pseudomonas aeruginosa is a Gram-negative opportunistic pathogen that causes chronic lung infection in patients with cystic fibrosis (CF) and acute systemic infections in severely burned patients and immunocompromised patients including cancer patients undergoing chemotherapy and HIV infected individuals. In response to the environmental conditions at specific infection sites, P. aeruginosa expresses certain sets of cell-associated and extracellular virulence factors that produce tissue damage. Analyzing the mechanisms that govern the production of these virulence factors in vitro requires media that closely mimic the environmental conditions within the infection sites. In this chapter, we review studies based on media that closely resemble three in vivo conditions, the thick mucus accumulated within the lung alveoli of CF patients, the serum-rich wound bed and the bloodstream. Media resembling the CF alveolar mucus include standard laboratory media supplemented with sputum obtained from CF patients as well as prepared synthetic mucus media formulated to contain the individual components of CF sputum. Media supplemented with serum or individual serum components have served as surrogates for the soluble host components of wound infections, while whole blood has been used to investigate the adaptation of pathogens to the bloodstream. Studies using these media have provided valuable information regarding P. aeruginosa gene expression in different host environments as varying sets of genes were differentially regulated during growth in each medium. The unique effects observed indicate the essential role of these in vitro media that closely mimic the in vivo conditions in providing accurate information regarding the pathogenesis of P. aeruginosa infections. Copyright © 2016 Elsevier Inc. All rights reserved.

Electronic Media: A Motivational Strategy for Student Success

ERIC Educational Resources Information Center

Finamore, Dora C. D.; Hochanadel, Aaron J.; Hochanadel, Cathleen E.; Millam, Loretta A.; Reinhardt, Michelle M.

2012-01-01

Motivation, engagement, goal attainment and effective interaction are essential components for college students to be successful in the online educational environment. The popularity and influx of electronic media applications has allowed educators the opportunity to incorporate social media (Facebook, Twitter), and volitional messages (Simple…

Impact of an HIV prevention intervention on condom use among long distance truckers in India.

PubMed

Juneja, Sachin; Rao Tirumalasetti, Vasudha; Mishra, Ram Manohar; Sethu, Shekhar; Singh, Indra Ramyash

2013-03-01

This paper examines the impact of three components of an HIV prevention program (mid-media, interpersonal communication, and project-run clinics) on consistent condom use by long distance truckers with paid and non-paid female partners in India. Data from 2,723 long distance truckers were analyzed using the propensity score matching approach. Based on utilization of services, the following categories of intervention exposure were derived: no exposure, exposure only to mid-media, exposure only to mid-media and interpersonal communication, exposure only to mid-media and project-run clinics, and exposure to all three intervention components. Compared to those who were not exposed to any intervention, exposure to mid-media alone increased consistent condom use with paid female partners by about ten percent. Exposure to mid-media and visits to project-run clinics increased consistent condom use with non-paid female partners by 26 %. These findings suggest that mid-media events and clinics were the most effective package of services to increase consistent condom use among the long distance truckers.

Media and the Learner: the Influence of Media-Message Conponents on Students' Recall and Attitudes Toward the Learning Experience.

ERIC Educational Resources Information Center

Hempstead, John Orson

The level of abstraction of the message and the educational effects of five media presentations (Print, verbal sound, print/pictures, print/verbal sound, and pictures/verbal sound) were experimentally investigated. The media components were presented singly or in combination to 6th grade students in a uniformly controlled consistent environment.…

Social media is a necessary component of surgery practice.

PubMed

Steele, Scott R; Arshad, Seyed; Bush, Ruth; Dasani, Serena; Cologne, Kyle; Bleier, Joshua I S; Raphaeli, Tal; Kelz, Rachel R

2015-09-01

Social media is a necessary component of the practice of surgery. Each surgeon must embrace the power and potential of social media and serve as a guide or content expert for patients and other health care providers to facilitate and share responsible use of the various media available. Social media facilitates rapid communication of information not only across providers but also between patients and providers. The power of social media has the potential to improve consultation and collaboration, facilitate patient education, and expand research efforts; moreover, by harnessing its potential, the appropriate use of many of the avenues of social media also can be used to disseminate campaigns to increase disease awareness and communicate new research findings and best-practice guidelines. Because its reach is so broad within as well as outside the censorship of medical experts, professional oversight and engagement is required to maximize responsible use. Staying consistent with our history of surgery, rich in innovation and technologic advancement, surgeons must get to the front of this evolving field and direct the path of social media as it applies to the practice of surgery rather than take a passive role. Published by Elsevier Inc.

Magnetic hyperbolic optical metamaterials

DOE PAGES

Kruk, Sergey S.; Wong, Zi Jing; Pshenay-Severin, Ekaterina; ...

2016-04-13

Strongly anisotropic media where the principal components of electric permittivity or magnetic permeability tensors have opposite signs are termed as hyperbolic media. Such media support propagating electromagnetic waves with extremely large wave vectors exhibiting unique optical properties. However, in all artificial and natural optical materials studied to date, the hyperbolic dispersion originates solely from the electric response. This then restricts material functionality to one polarization of light and inhibits free-space impedance matching. Such restrictions can be overcome in media having components of opposite signs for both electric and magnetic tensors. Here we present the experimental demonstration of the magnetic hyperbolicmore » dispersion in three-dimensional metamaterials. We also measure metamaterial isofrequency contours and reveal the topological phase transition between the elliptic and hyperbolic dispersion. In the hyperbolic regime, we demonstrate the strong enhancement of thermal emission, which becomes directional, coherent and polarized. These findings show the possibilities for realizing efficient impedance-matched hyperbolic media for unpolarized light.« less

Alternative stable qP wave equations in TTI media with their applications for reverse time migration

NASA Astrophysics Data System (ADS)

Zhou, Yang; Wang, Huazhong; Liu, Wenqing

2015-10-01

Numerical instabilities may arise if the spatial variation of symmetry axis is handled improperly when implementing P-wave modeling and reverse time migration in heterogeneous tilted transversely isotropic (TTI) media, especially in the cases where fast changes exist in TTI symmetry axis’ directions. Based on the pseudo-acoustic approximation to anisotropic elastic wave equations in Cartesian coordinates, alternative second order qP (quasi-P) wave equations in TTI media are derived in this paper. Compared with conventional stable qP wave equations, the proposed equations written in stress components contain only spatial derivatives of wavefield variables (stress components) and are free from spatial derivatives involving media parameters. These lead to an easy and efficient implementation for stable P-wave modeling and imaging. Numerical experiments demonstrate the stability and computational efficiency of the presented equations in complex TTI media.

Application of Advanced Technologies for Improvement of Hardwood Forests

Treesearch

Charles H. Michler

1999-01-01

Hardwood tree improvement in Indiana is on the brink of entering the 21st century with the recent initiation of the Hardwood Tree Improvement and Regeneration Center (HTIRC) at Purdue University. At a time when midwestern agriculture has enthusiastically embraced genetically modified insect and herbicide resistant corn and soybean crops and all the human genes are...

The recursive maximum likelihood proportion estimator: User's guide and test results

NASA Technical Reports Server (NTRS)

Vanrooy, D. L.

1976-01-01

Implementation of the recursive maximum likelihood proportion estimator is described. A user's guide to programs as they currently exist on the IBM 360/67 at LARS, Purdue is included, and test results on LANDSAT data are described. On Hill County data, the algorithm yields results comparable to the standard maximum likelihood proportion estimator.

Operation plan for the data 100/LARS terminal system

NASA Technical Reports Server (NTRS)

Bowen, A. J., Jr.

1980-01-01

The Data 100/LARS terminal system provides an interface for processing on the IBM 3031 computer system at Purdue University's Laboratory for Applications of Remote Sensing. The environment in which the system is operated and supported is discussed. The general support responsibilities, procedural mechanisms, and training established for the benefit of the system users are defined.

Thousand cankers disease -- What have we learned?

Treesearch

J.W. Van Sambeek; Sharon Reed

2013-01-01

Thousand Cankers Disease (TCD) represents a serious threat to black walnut, an important nut and timber tree in the eastern United States. TCD was first described as a lethal disease for most walnut species in 2009. A webinar sponsored by the USDA Forest Service State & Private Forestry and Forest Health Protection, the Walnut Council, and the Purdue University...

Income Share Agreements on Campus: A Practice Guide

ERIC Educational Resources Information Center

American Institutes for Research, 2015

2015-01-01

Next fall, students at Purdue University may have a new way to pay their tuition: income share agreements (ISAs). ISAs are an alternative form of higher education financing in which students pledge a fixed percentage of future earnings in exchange for money to pay for college. ISAs present a new challenge to the nation's colleges and universities,…

Challenging the Gifted through Problem Solving Experiences: Design and Evaluation of the COMET Program.

ERIC Educational Resources Information Center

Feldhusen, John F.; And Others

1992-01-01

The COMET summer residential program at Purdue University (Indiana) offers gifted and talented youth in grades 4-6 a week of intensive study in a single content area. Courses stress specific problem-solving skills and development of a rich knowledge base. Extensive program evaluation by students, teachers, counselors, and parents was highly…

A Hermeneutic Phenomenological Study of the Experiences of Female African American Undergraduate Engineering Students at a Predominantly White and an Historically Black Institution

ERIC Educational Resources Information Center

Frillman, Sharron Ann

2011-01-01

This phenomenological study examined the experiences of twelve female African Americans enrolled as fulltime undergraduate engineering students at North Carolina Agricultural and Technical State University, an historically Black university, and seven female African Americans enrolled as undergraduate engineering students at Purdue University in…

Knowledge and Skill Competency Values of an Undergraduate University Managed Cooperative Internship Program: A Case Study in Design Education

ERIC Educational Resources Information Center

Barbarash, David

2016-01-01

Students from the Purdue University landscape architecture program undergo a year-long managed cooperative internship between their junior and senior years of enrollment. During this paid internship students experience the realities of a professional design office outside of the protection of the academic classroom. Through surveys of faculty…

Assessment of a University-Based Distance Education Mentoring Program from a Quality Management Perspective

ERIC Educational Resources Information Center

Barczyk, Casimir; Buckenmeyer, Janet; Feldman, Lori; Hixon, Emily

2011-01-01

This study describes assessment results from the Distance Education Mentoring Program (DEMP) at Purdue University Calumet, Indiana, USA. The program, sponsored by the university's Vice Chancellor for Academic Affairs, was made available to all teaching faculty who wished to become proteges and develop their skills at teaching online courses. The…

Acetylcholinesterase 1 in populations of organophosphate resistant North American strains of the cattle tick, Rhipicephalus microplus (Acari: Ixodidae)

USDA-ARS?s Scientific Manuscript database

In a collaboration with Purdue University researchers, we sequenced a 143,606 base pair Rhipicephalus microplus BAC library clone that contained the coding region for acetylcholinesterase 1 (AChE1). Sequencing was by Sanger protocols and the final assembly resulted in 15 contigs of varying length, e...

Spatial Visualization by Realistic 3D Views

ERIC Educational Resources Information Center

Yue, Jianping

2008-01-01

In this study, the popular Purdue Spatial Visualization Test-Visualization by Rotations (PSVT-R) in isometric drawings was recreated with CAD software that allows 3D solid modeling and rendering to provide more realistic pictorial views. Both the original and the modified PSVT-R tests were given to students and their scores on the two tests were…

Long-Term Impact of Improving Visualization Abilities of Minority Engineering and Technology Students: Preliminary Results

ERIC Educational Resources Information Center

Study, Nancy E.

2011-01-01

Previous studies found that students enrolled in introductory engineering graphics courses at a historically black university (HBCU) had significantly lower than average test scores on the Purdue Spatial Visualization Test: Visualization of Rotations (PSVT) when it was administered during the first week of class. Since the ability to visualize is…

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.…

The Unlimited Potential of the Electronic Library (Except Where Prohibited by the Copyright Law).

ERIC Educational Resources Information Center

Schmidt, Steven; Lewis, David

This paper describes the creation of a new library facility for Indiana University-Purdue University at Indianapolis, one designed ready to accommodate an infrastructure that would support the new technologies of the electronic information environment. Wiring and fiber-optic schemes are outlined briefly. The document is formatted as a script for…

Design and Evaluation of a One-Semester General Chemistry Course for Undergraduate Life Science Majors

ERIC Educational Resources Information Center

Schnoebelen, Carly; Towns, Marcy H.; Chmielewski, Jean; Hrycyna, Christine A.

2018-01-01

The chemistry curriculum for undergraduate life science majors at Purdue University has been transformed to better meet the needs of this student population and prepare them for future success. The curriculum, called the 1-2-1 curriculum, includes four consecutive and integrated semesters of instruction in general chemistry, organic chemistry, and…

In the Field: Increasing Undergraduate Students' Awareness of Extension through a Blended Project-Based Multimedia Production Course

ERIC Educational Resources Information Center

Loizzo, Jamie; Lillard, Patrick

2015-01-01

Undergraduate students at land-grant institutions across the country are often unaware of the depth and breadth of Extension services and careers. Agricultural communication students collaborated with an Extension programmatic team in a blended and project-based course at Purdue University to develop online videos about small farm agricultural…

Effective Report Preparation: Streamlining the Reporting Process. AIR 1999 Annual Forum Paper.

ERIC Educational Resources Information Center

Dalrymple, Margaret; Wang, Mindy; Frost, Jacquelyn

This paper describes the processes and techniques used to improve and streamline the standard student reports used at Purdue University (Indiana). Various models for analyzing reporting processes are described, especially the model used in the study, the Shewart or Deming Cycle, a method that aids in continuous analysis and improvement through a…

A University Engagement Model for Achieving Technology Adoption and Performance Improvement Impacts in Healthcare, Manufacturing, and Government

ERIC Educational Resources Information Center

McKinnis, David R.; Sloan, Mary Anne; Snow, L. David; Garimella, Suresh V.

2014-01-01

The Purdue Technical Assistance Program (TAP) offers a model of university engagement and service that is achieving technology adoption and performance improvement impacts in healthcare, manufacturing, government, and other sectors. The TAP model focuses on understanding and meeting the changing and challenging needs of those served, always…

How 4 Colleges Take on Veterans' Issues, in Research and Real Life

ERIC Educational Resources Information Center

Sander, Libby

2012-01-01

This article features four colleges and how they take on veterans' issues in research and real life. These colleges are (1) Syracuse University; (2) Purdue University; (3) University of Southern California; and (4) University of North Carolina at Chapel Hill. Last year Syracuse established the Institute for Veterans and Military Families to focus…

Diversity and relatedness in a black walnut seed orchard

Treesearch

Keith Woeste; Doug Mersman

2003-01-01

Geneticists and silviculturists have selected over 450 black walnut clones for inclusion in the black walnut breeding program at Purdue University over the past 35 years. Most of the selections were from Indiana; a few were from other states in the Central Hardwoods Region. Selection of second and third generation clones out of this founder population was based...

Features of Fe-Mn nodules in southern Indiana Loess with a fragipan horizon and their soil forming environmental significance

USDA-ARS?s Scientific Manuscript database

Little is known about how Fe-Mn nodules vary in relation to pedogenetic horizons in soils derived from loess. In this investigation nodules were collected according to soil genetic horizons from a Fragiudalf in loess at Southeast Purdue Agricultural Center (SEPAC) in Indiana and physical, chemical, ...

A Personnel Flow Model for Predicting the Coast Guard Enlisted Force Structure.

DTIC Science & Technology

1987-09-01

nd Reader Peter Purdue, Chairman Department of Operations Research -Kneale T. Marshal--7-. Dean of Information and Policy Scie ces O,, 2 ABSTRACT The...calls a proxy for economic variables mertion-ed ~rL~ b. Average age, 7-me --n Service, >-ne -ie This data was incomplete and no- Za~ecor:: zec ’I/ month

Lincoln Advanced Science and Engineering Reinforcement

DTIC Science & Technology

1989-01-01

Chamblee Physics Lincoln University Kelvin Clark Physics Lincoln University Dwayne Cole Mechanical Engineering Howard University Francis Countiss Physics...Mathematics Lincoln University Spencer Lane Mechanical Engineering Howard University Edward Lawerence Physics Lincoln University Cyd Hall Actuarial Science...Pittsburgh Lloyd Hammond Ph.D., Bio-Chemistry Purdue University Timothy Moore M.S., Psychology Howard University * completedI During 1988, three (3

A Correlation Study of Kindergarten Teachers' Morale with Kindergarten Students' Feelings about School.

ERIC Educational Resources Information Center

Howard, Esther Moore; Correro, Gloria C.

The morale of kindergarten teachers was investigated to determine the validity of the Purdue Teacher Opinionaire (PTO) and whether teachers' morale scores would be related to their students' self-concept scores, as measured by the Kindergarten Inventory of Developing Social Competencies (KIDSc). Teacher morale on the PTO consists of 10 factors:…

The Use of Psychological Tests in Predicting Vocational Success of Disadvantaged Adults.

ERIC Educational Resources Information Center

Stanley, Charlton S.

A study of the relationship between certain test scores and probable training and vocational success was made. Examined were three major training areas: power sewing machine, nurse aide, and clerical office work. Six tests were tested for their ability to predict success: the WAIS Revised Beta; Purdue Pegboard; English, California Surveys of…

Planning for the Automation of School Library Media Centers.

ERIC Educational Resources Information Center

Caffarella, Edward P.

1996-01-01

Geared for school library media specialists whose centers are in the early stages of automation or conversion to a new system, this article focuses on major components of media center automation: circulation control; online public access catalogs; machine readable cataloging; retrospective conversion of print catalog cards; and computer networks…

Statistical investigation of simulated fed intestinal media composition on the equilibrium solubility of oral drugs.

PubMed

Zhou, Zhou; Dunn, Claire; Khadra, Ibrahim; Wilson, Clive G; Halbert, Gavin W

2017-03-01

Gastrointestinal fluid is a complex milieu and it is recognised that gut drug solubility is different to that observed in simple aqueous buffers. Simulated gastrointestinal media have been developed covering fasted and fed states to facilitate in vitro prediction of gut solubility and product dissolution. However, the combination of bile salts, phospholipids, fatty acids and proteins in an aqueous buffered system creates multiple phases and drug solubility is therefore a complex interaction between these components, which may create unique environments for each API. The impact on solubility can be assessed through a statistical design of experiment (DoE) approach, to determine the influence and relationships between factors. In this paper DoE has been applied to fed simulated gastrointestinal media consisting of eight components (pH, bile salt, lecithin, sodium oleate, monoglyceride, buffer, salt and pancreatin) using a two level D-optimal design with forty-four duplicate measurements and four centre points. The equilibrium solubility of a range of poorly soluble acidic (indomethacin, ibuprofen, phenytoin, valsartan, zafirlukast), basic (aprepitant, carvedilol, tadalafil, bromocriptine) and neutral (fenofibrate, felodipine, probucol, itraconazole) drugs was investigated. Results indicate that the DoE provides equilibrium solubility values that are comparable to literature results for other simulated fed gastrointestinal media systems or human intestinal fluid samples. For acidic drugs the influence of pH predominates but other significant factors related to oleate and bile salt or interactions between them are present. For basic drugs pH, oleate and bile salt have equal significance along with interactions between pH and oleate and lecithin and oleate. Neutral drugs show diverse effects of the media components particularly with regard to oleate, bile salt, pH and lecithin but the presence of monoglyceride, pancreatin and buffer have significant but smaller effects on solubility. There are fourteen significant interactions between factors mainly related to the surfactant components and pH, indicating that the solubility of neutral drugs in fed simulated media is complex. The results also indicate that the equilibrium solubility of each drug can exhibit individualistic behaviour associated with the drug's chemical structure, physicochemical properties and interaction with media components. The utility of DoE for fed simulated media has been demonstrated providing equilibrium solubility values comparable with similar in vitro systems whilst also providing greater information on the influence of media factors and their interactions. The determination of a drug's gastrointestinal solubility envelope provides useful limits that can potentially be applied to in silico modelling and in vivo experiments. Copyright © 2017 The Authors. Published by Elsevier B.V. All rights reserved.

Characteristics of the sequence effect in Parkinson's disease.

PubMed

Kang, Suk Yun; Wasaka, Toshiaki; Shamim, Ejaz A; Auh, Sungyoung; Ueki, Yoshino; Lopez, Grisel J; Kida, Tetsuo; Jin, Seung-Hyun; Dang, Nguyet; Hallett, Mark

2010-10-15

The sequence effect (SE) in Parkinson's disease (PD) is progressive slowing of sequential movements. It is a feature of bradykinesia, but is separate from a general slowness without deterioration over time. It is commonly seen in PD, but its physiology is unclear. We measured general slowness and the SE separately with a computer-based, modified Purdue pegboard in 11 patients with advanced PD. We conducted a placebo-controlled, four-way crossover study to learn whether levodopa and repetitive transcranial magnetic stimulation (rTMS) could improve general slowness or the SE. We also examined the correlation between the SE and clinical fatigue. Levodopa alone and rTMS alone improved general slowness, but rTMS showed no additive effect on levodopa. Levodopa alone, rTMS alone, and their combination did not alleviate the SE. There was no correlation between the SE and fatigue. This study suggests that dopaminergic dysfunction and abnormal motor cortex excitability are not the relevant mechanisms for the SE. Additionally, the SE is not a component of clinical fatigue. Further work is needed to establish the physiology and clinical relevance of the SE. © 2010 Movement Disorder Society.

Ion processing element with composite media

DOEpatents

Mann, Nick R.; Tranter, Troy J.; Todd, Terry A.; Sebesta, Ferdinand

2003-02-04

An ion processing element employing composite media disposed in a porous substrate, for facilitating removal of selected chemical species from a fluid stream. The ion processing element includes a porous fibrous glass substrate impregnated by composite media having one or more active components supported by a matrix material of polyacrylonitrile. The active components are effective in removing, by various mechanisms, one or more constituents from a fluid stream passing through the ion processing element. Due to the porosity and large surface area of both the composite medium and the substrate in which it is disposed, a high degree of contact is achieved between the active component and the fluid stream being processed. Further, the porosity of the matrix material and the substrate facilitates use of the ion processing element in high volume applications where it is desired to effectively process a high volume flows.

Ion processing element with composite media

DOEpatents

Mann, Nick R [Blackfoot, ID; Tranter, Troy J [Idaho Falls, ID; Todd, Terry A [Aberdeen, ID; Sebesta, Ferdinand [Prague, CZ

2009-03-24

An ion processing element employing composite media disposed in a porous substrate, for facilitating removal of selected chemical species from a fluid stream. The ion processing element includes a porous fibrous glass substrate impregnated by composite media having one or more active components supported by a matrix material of polyacrylonitrile. The active components are effective in removing, by various mechanisms, one or more constituents from a fluid stream passing through the ion processing element. Due to the porosity and large surface area of both the composite medium and the substrate in which it is disposed, a high degree of contact is achieved between the active component and the fluid stream being processed. Further, the porosity of the matrix material and the substrate facilitates use of the ion processing element in high volume applications where it is desired to effectively process a high volume flows.

Two-phase mixed media dielectric with macro dielectric beads for enhancing resistivity and breakdown strength

DOEpatents

Falabella, Steven; Meyer, Glenn A; Tang, Vincent; Guethlein, Gary

2014-06-10

A two-phase mixed media insulator having a dielectric fluid filling the interstices between macro-sized dielectric beads packed into a confined volume, so that the packed dielectric beads inhibit electro-hydrodynamically driven current flows of the dielectric liquid and thereby increase the resistivity and breakdown strength of the two-phase insulator over the dielectric liquid alone. In addition, an electrical apparatus incorporates the two-phase mixed media insulator to insulate between electrical components of different electrical potentials. And a method of electrically insulating between electrical components of different electrical potentials fills a confined volume between the electrical components with the two-phase dielectric composite, so that the macro dielectric beads are packed in the confined volume and interstices formed between the macro dielectric beads are filled with the dielectric liquid.

Partitioning behavior of aromatic components in jet fuel into diverse membrane-coated fibers.

PubMed

Baynes, Ronald E; Xia, Xin-Rui; Barlow, Beth M; Riviere, Jim E

2007-11-01

Jet fuel components are known to partition into skin and produce occupational irritant contact dermatitis (OICD) and potentially adverse systemic effects. The purpose of this study was to determine how jet fuel components partition (1) from solvent mixtures into diverse membrane-coated fibers (MCFs) and (2) from biological media into MCFs to predict tissue distribution. Three diverse MCFs, polydimethylsiloxane (PDMS, lipophilic), polyacrylate (PA, polarizable), and carbowax (CAR, polar), were selected to simulate the physicochemical properties of skin in vivo. Following an appropriate equilibrium time between the MCF and dosing solutions, the MCF was injected directly into a gas chromatograph/mass spectrometer (GC-MS) to quantify the amount that partitioned into the membrane. Three vehicles (water, 50% ethanol-water, and albumin-containing media solution) were studied for selected jet fuel components. The more hydrophobic the component, the greater was the partitioning into the membranes across all MCF types, especially from water. The presence of ethanol as a surrogate solvent resulted in significantly reduced partitioning into the MCFs with discernible differences across the three fibers based on their chemistries. The presence of a plasma substitute (media) also reduced partitioning into the MCF, with the CAR MCF system being better correlated to the predicted partitioning of aromatic components into skin. This study demonstrated that a single or multiple set of MCF fibers may be used as a surrogate for octanol/water systems and skin to assess partitioning behavior of nine aromatic components frequently formulated with jet fuels. These diverse inert fibers were able to assess solute partitioning from a blood substitute such as media into a membrane possessing physicochemical properties similar to human skin. This information may be incorporated into physiologically based pharmacokinetic (PBPK) models to provide a more accurate assessment of tissue dosimetry of related toxicants.

Fluorescence excitation-emission matrix (EEM) spectroscopy for rapid identification and quality evaluation of cell culture media components.

PubMed

Li, Boyan; Ryan, Paul W; Shanahan, Michael; Leister, Kirk J; Ryder, Alan G

2011-11-01

The application of fluorescence excitation-emission matrix (EEM) spectroscopy to the quantitative analysis of complex, aqueous solutions of cell culture media components was investigated. These components, yeastolate, phytone, recombinant human insulin, eRDF basal medium, and four different chemically defined (CD) media, are used for the formulation of basal and feed media employed in the production of recombinant proteins using a Chinese Hamster Ovary (CHO) cell based process. The comprehensive analysis (either identification or quality assessment) of these materials using chromatographic methods is time consuming and expensive and is not suitable for high-throughput quality control. The use of EEM in conjunction with multiway chemometric methods provided a rapid, nondestructive analytical method suitable for the screening of large numbers of samples. Here we used multiway robust principal component analysis (MROBPCA) in conjunction with n-way partial least squares discriminant analysis (NPLS-DA) to develop a robust routine for both the identification and quality evaluation of these important cell culture materials. These methods are applicable to a wide range of complex mixtures because they do not rely on any predetermined compositional or property information, thus making them potentially very useful for sample handling, tracking, and quality assessment in biopharmaceutical industries.

The mass remote sensing image data management based on Oracle InterMedia

NASA Astrophysics Data System (ADS)

Zhao, Xi'an; Shi, Shaowei

2013-07-01

With the development of remote sensing technology, getting the image data more and more, how to apply and manage the mass image data safely and efficiently has become an urgent problem to be solved. According to the methods and characteristics of the mass remote sensing image data management and application, this paper puts forward to a new method that takes Oracle Call Interface and Oracle InterMedia to store the image data, and then takes this component to realize the system function modules. Finally, it successfully takes the VC and Oracle InterMedia component to realize the image data storage and management.

Publication: Evansville hazard maps

USGS Publications Warehouse

,

2012-01-01

The Evansville (Indiana) Area Earthquake Hazards Mapping Project was completed in February 2012. It was a collaborative effort among the U.S. Geological Survey and regional partners Purdue University; the Center for Earthquake Research and Information at the University of Memphis; the state geologic surveys of Kentucky, Illinois, and Indiana; the Southwest Indiana Disaster Resistant Community Corporation; and the Central U.S. Earthquake Consortium state geologists.

Probing the Relationship between Process of Spatial Problems Solving and Science Learning: An Eye Tracking Approach

ERIC Educational Resources Information Center

Chen, Yi-Chun; Yang, Fang-Ying

2014-01-01

There were two purposes in the study. One was to explore the cognitive activities during spatial problem solving and the other to probe the relationship between spatial ability and science concept learning. Twenty university students participated in the study. The Purdue Visualization of Rotations Test (PVRT) was used to assess the spatial…

Development of a gas chromatography-mass spectrometry technique to diagnose white snakeroot (Ageratina altissima) poisoning in a cow

USDA-ARS?s Scientific Manuscript database

An 8-year-old, crossbred beef cow was referred to the Indiana Animal Disease Diagnostic Laboratory at Purdue University for a complete necropsy in October 2009. The cow was the sixth to die in a 7-day period. Affected cows were reportedly stumbling and became weak, excitable, and recumbent. Histolog...

Analyzing the Function of Cartilage Replacements: A Laboratory Activity to Teach High School Students Chemical and Tissue Engineering Concepts

ERIC Educational Resources Information Center

Renner, Julie N.; Emady, Heather N.; Galas, Richards J., Jr.; Zhange, Rong; Baertsch, Chelsey D.; Liu, Julie C.

2013-01-01

A cartilage tissue engineering laboratory activity was developed as part of the Exciting Discoveries for Girls in Engineering (EDGE) Summer Camp sponsored by the Women In Engineering Program (WIEP) at Purdue University. Our goal was to increase awareness of chemical engineering and tissue engineering in female high school students through a…

Constrasting Conductance/Viscosity Relations in Liquid States of Vitreous and Polymer Solid Electrolytes.

DTIC Science & Technology

1987-11-01

State lonics, 9 & 10, 617 (1983). 17. 11. Tweer, N. Laberge , and P.B. Macedo, J. Am. Ceram. Soc., 54, 121 (1971). p 18. R. Weiler, S. Blaser, and P.B...Bressel, Ph.D. Thesis, Purdue University, (1971). 25. S. Schantz, J. Sandahl, L. Borjesson, L.M. Torell and J.R. Stevens . Solid State lonics (in press). 26

Graduate Programs in Foreign Language Education in United States Universities. Report of a Survey.

ERIC Educational Resources Information Center

Thomsen, Eugene V.

This report gives a general description of programs at Florida State, New York University, Ohio State, Purdue, Rutgers, Stanford, SUNY (Buffalo), Minnesota, Texas (Austin), Washington, and Wayne State. The survey encompasses various types of programs, including those offering M.A., M.A.T., M.Ed., Ed.D., Ph.D., and D.A. (Doctor of Arts) degrees.…

The Digital Pipetting Badge: A Method to Improve Student Hands-On Laboratory Skills

ERIC Educational Resources Information Center

Towns, Marcy; Harwood, Cynthia J.; Robertshaw, M. Brooke; Fish, Jason; O'Shea, Kevin

2015-01-01

An evidence centered design approach was used to develop, implement, and assess a novel and innovative digital pipetting badge using Purdue's Passport system. Each student in a large lecture course created a video demonstrating how to use a 10 mL pipet to dispense liquid. The video was uploaded into the Passport system, which allowed instructors…

NASA Women's History Month - Erin Waggoner (AFRC)

NASA Image and Video Library

2018-03-20

Erin Waggoner is an Aerospace Engineer in the Aerodynamics and Propulsion Branch at NASA Armstrong Flight Research Center. Erin has a BS in Aerospace Engineering from Wichita State University and a MS in Aeronautics and Astronautics from Purdue University. Her work includes planning, coordinating, and executing ground tests; analyzing data; writing papers; and serving as a Flight Test Engineer onboard test aircraft.

Circulation Policies for External Users: A Comparative Study of Public Urban Research Institutions

ERIC Educational Resources Information Center

Weare, William H., Jr.; Stevenson, Matthew

2012-01-01

This article is a study of the policies that govern the use of the university library by external users at Indiana University-Purdue University Indianapolis (IUPUI) and 12 peer institutions used by IUPUI for comparative purposes. A search of each institution's Web site was conducted as well as interviews with circulation librarians and managers.…

STS-33 MS Musgrave and MS Carter perform balancing act on OV-103's middeck

NASA Technical Reports Server (NTRS)

1989-01-01

STS-33 Mission Specialist (MS) F. Story Musgrave demonstrates a microgravity trick by balancing MS Manley L. Carter, Jr on his index finger. During the performance on Discovery's, Orbiter Vehicle (OV) 103's, middeck, Carter freefloats at the middeck ceiling while Musgrave supports him from underneath. On the forward middeck lockers is a PURDUE Boilermakers decal.

Lifelong Learning: The Value of an Industrial Internship for a Graduate Student Education

ERIC Educational Resources Information Center

Honda, Gregory S.; Pazmino, Jorge H.; Hickman, Daniel A.; Varma, Arvind

2015-01-01

A chemical engineering PhD student from Purdue University completed an internship at The Dow Chemical Company, evaluating the effect of scale on the hydrodynamics of a trickle bed reactor. A unique aspect of this work was that it arose from an ongoing collaboration, so that the project was within the scope of the graduate student's thesis. This…

Interpreting the Relationships between TOEFL iBT Scores and GPA: Language Proficiency, Policy, and Profiles

ERIC Educational Resources Information Center

Ginther, April; Yan, Xun

2018-01-01

This study examines the predictive validity of the TOEFL iBT with respect to academic achievement as measured by the first-year grade point average (GPA) of Chinese students at Purdue University, a large, public, Research I institution in Indiana, USA. Correlations between GPA, TOEFL iBT total and subsection scores were examined on 1990 mainland…

The Effect of Using Dynamic Mathematics Software: Cross Section and Visualization

ERIC Educational Resources Information Center

Kösa, Temel

2016-01-01

The main purpose of this study is to determine the effects of using dynamic mathematics software on pre-service mathematics teachers' ability to infer the shape of a cross section of a three-dimensional solid, as well as on their spatial visualization skills. The study employed a quasi-experimental design with a control group; the Purdue Spatial…

Cultivar identification and genetic relatedness among 25 black walnut (Juglans nigra) clones based on microsatellite markers

Treesearch

Kejia Pang; Keith Woeste; Charles Michler

2017-01-01

A set of eight microsatellite markers was used to genotype 25 black walnut (Juglans nigra L.) clones within the Purdue University germplasm repository. The identities of 212 ramets were verified using the same eight microsatellite markers. Some trees were mislabeled and corrected as to clone using analysis of microsatellite markers. A genetic...

On Some Multiple Decision Problems

DTIC Science & Technology

1976-08-01

parameter space. Some recent results in the area of subset selection formulation are Gnanadesikan and Gupta [28], Gupta and Studden [43], Gupta and...York, pp. 363-376. [27) Gnanadesikan , M. (1966). Some Selection and Ranking Procedures for Multivariate Normal Populations. Ph.D. Thesis. Dept. of...Statist., Purdue Univ., West Lafayette, Indiana 47907. [28) Gnanadesikan , M. and Gupta, S. S. (1970). Selection procedures for multivariate normal

One Mentor or Two: An Instrumental Case Study of Strategic Collaboration and Peer Mentoring

ERIC Educational Resources Information Center

Wasburn, Mara H.

2008-01-01

This instrumental case study investigates the use of a team mentoring approach in a first-year seminar, which was created in response to concerns about first-year student attrition. The seminar was developed in the department of Organizational Leadership at Purdue University--West Lafayette in 2004. The aims of the course were to familiarize…

Modeling Primary Atomization Processes

DTIC Science & Technology

1999-02-01

consumable , catalytic igniter has shown to provide reliable, reproducible ignition in hydrogen peroxide/polyethylene hybrid engines. Currently, a...verified in a hybrid rocket using hydrogen peroxide as oxidizer and polyethylene as fuel. The engine made use of a unique Consumable Catalytic Bed (CCB...interest to the liquid and hybrid rocket engine community. TECHNOLOGY TRANSFER Performer Customer Result Application 1 S. D. Heister Purdue University

New Workflows for Born-Digital Assets: Managing Charles E. Bracker's Orchid Photographs Collection

ERIC Educational Resources Information Center

Hurford, Amanda A.; Runyon, Carolyn F.

2011-01-01

Charles E. Bracker was a professor of botany and plant pathology at Purdue University from 1964 to 1999. His late wife, Anri, was an orchid enthusiast who began collecting and housing orchids in the 1980s. In 2009, Bracker's 30,000 digital orchid photographs were donated to Ball State University Libraries, where both of this article's authors…

The Relationship between Media Multitasking and Executive Function in Early Adolescents

ERIC Educational Resources Information Center

Baumgartner, Susanne E.; Weeda, Wouter D.; van der Heijden, Lisa L.; Huizinga, Mariëtte

2014-01-01

The increasing prevalence of media multitasking among adolescents is concerning because it may be negatively related to goal-directed behavior. This study investigated the relationship between media multitasking and executive function in 523 early adolescents (aged 11-15; 48% girls). The three central components of executive functions (i.e.,…

45 CFR 17.4 - Regulatory investigations and trial-type proceedings.

Code of Federal Regulations, 2011 CFR

2011-10-01

... RELEASE OF ADVERSE INFORMATION TO NEWS MEDIA § 17.4 Regulatory investigations and trial-type proceedings... economic harm may occur unless the public is notified immediately, it may release information to news media... operating component shall rely on the news media to the extent necessary to provide such notice even though...

45 CFR 17.4 - Regulatory investigations and trial-type proceedings.

Code of Federal Regulations, 2010 CFR

2010-10-01

... RELEASE OF ADVERSE INFORMATION TO NEWS MEDIA § 17.4 Regulatory investigations and trial-type proceedings... economic harm may occur unless the public is notified immediately, it may release information to news media... operating component shall rely on the news media to the extent necessary to provide such notice even though...

45 CFR 17.4 - Regulatory investigations and trial-type proceedings.

Code of Federal Regulations, 2012 CFR

2012-10-01

... RELEASE OF ADVERSE INFORMATION TO NEWS MEDIA § 17.4 Regulatory investigations and trial-type proceedings... economic harm may occur unless the public is notified immediately, it may release information to news media... operating component shall rely on the news media to the extent necessary to provide such notice even though...

45 CFR 17.4 - Regulatory investigations and trial-type proceedings.

Code of Federal Regulations, 2013 CFR

2013-10-01

... RELEASE OF ADVERSE INFORMATION TO NEWS MEDIA § 17.4 Regulatory investigations and trial-type proceedings... economic harm may occur unless the public is notified immediately, it may release information to news media... operating component shall rely on the news media to the extent necessary to provide such notice even though...

45 CFR 17.4 - Regulatory investigations and trial-type proceedings.

Code of Federal Regulations, 2014 CFR

2014-10-01

... RELEASE OF ADVERSE INFORMATION TO NEWS MEDIA § 17.4 Regulatory investigations and trial-type proceedings... economic harm may occur unless the public is notified immediately, it may release information to news media... operating component shall rely on the news media to the extent necessary to provide such notice even though...

Mass Communication: An Introduction; Theory and Practice of Mass Media in Society.

ERIC Educational Resources Information Center

Bittner, John R.

From the perspectives of historical, contemporary, and future interpretations of mass communication, this introduction to the theory and practice of mass media in society treats both the social context of mass communication and the hardware components that make it operable. The book discusses all mass media--newspapers, magazines, radio,…

Evaluating the Effectiveness of a Mass Media Ethics Course.

ERIC Educational Resources Information Center

Lee, Byung; Padgett, George

2000-01-01

Examines the effectiveness of an ethics education component in a media law and ethics course. Suggests that a short-term mass media ethics study could not develop values considered essential for ethical behavior. Argues that students developed more complexity in their reasoning not measurable by the scale. Suggests a course or module on ethics…

Nonlinear Dynamics of Formation of Drops of Non-Newtonian Liquids from Capillaries: Satellite Formation and Flow Transitions

NASA Astrophysics Data System (ADS)

Yildirim, Ozgur E.; Basaran, Osman A.

1999-11-01

Drop formation from capillaries, and the often undesired phenomenon of satellite generation, play a central role in diverse applications including ink-jet printing, biochip processors, and spray coating, where the working fluid is usually non-Newtonian. Although some work has been done in related areas, the phenomenon of formation of drops of non--Newtonian fluids from capillaries has remained largely unexplored. Here a theoretical approach is adopted to study the dripping of axisymmetric drops of non--Newtonian liquids from capillaries. The constitutive equation used accounts for both shear thinning and strain hardening. First, regular perturbation theory is utilized to reduce the spatial dimension of the governing equations to one. The computations rely on Galerkin/finite element analysis with adaptive finite differencing for time integration. The dynamics are followed beyond the first breakup to investigate conditions for occurrence of satellites. Effect of increasing flow rate is also studied to uncover transitions that occur as one moves from a regime of periodic drop formation to one of jetting.

Using Poisson mixed-effects model to quantify transcript-level gene expression in RNA-Seq.

PubMed

Hu, Ming; Zhu, Yu; Taylor, Jeremy M G; Liu, Jun S; Qin, Zhaohui S

2012-01-01

RNA sequencing (RNA-Seq) is a powerful new technology for mapping and quantifying transcriptomes using ultra high-throughput next-generation sequencing technologies. Using deep sequencing, gene expression levels of all transcripts including novel ones can be quantified digitally. Although extremely promising, the massive amounts of data generated by RNA-Seq, substantial biases and uncertainty in short read alignment pose challenges for data analysis. In particular, large base-specific variation and between-base dependence make simple approaches, such as those that use averaging to normalize RNA-Seq data and quantify gene expressions, ineffective. In this study, we propose a Poisson mixed-effects (POME) model to characterize base-level read coverage within each transcript. The underlying expression level is included as a key parameter in this model. Since the proposed model is capable of incorporating base-specific variation as well as between-base dependence that affect read coverage profile throughout the transcript, it can lead to improved quantification of the true underlying expression level. POME can be freely downloaded at http://www.stat.purdue.edu/~yuzhu/pome.html. yuzhu@purdue.edu; zhaohui.qin@emory.edu Supplementary data are available at Bioinformatics online.

Moving from Petroleum to Plants to Energize our World (A "Life at the Frontiers of Energy Research" contest entry from the 2011 Energy Frontier Research Centers (EFRCs) Summit and Forum)

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

McCann, Maureen; Yohe, Sara

"Moving from Petroleum to Plants to Energize our World" was submitted by the Center for Direct Catalytic Conversion of Biomass to Biofuels (C3Bio) to the "Life at the Frontiers of Energy Research" video contest at the 2011 Science for Our Nation's Energy Future: Energy Frontier Research Centers (EFRCs) Summit and Forum. Twenty-six EFRCs created short videos to highlight their mission and their work. C3Bio, an EFRC directed by Maureen McCann at Purdue University is a partnership between five institutions: Purdue (lead), National Renewable Energy Laboratory, Northeastern University, University of California Santa Barbara and the University of Tennessee. The Office ofmore » Basic Energy Sciences in the U.S. Department of Energy's Office of Science established the 46 Energy Frontier Research Centers (EFRCs) in 2009. These collaboratively-organized centers conduct fundamental research focused on 'grand challenges' and use-inspired 'basic research needs' recently identified in major strategic planning efforts by the scientific community. The overall purpose is to accelerate scientific progress toward meeting the nation's critical energy challenges.« less

Moving from Petroleum to Plants to Energize our World (A "Life at the Frontiers of Energy Research" contest entry from the 2011 Energy Frontier Research Centers (EFRCs) Summit and Forum)

ScienceCinema

McCann, Maureen (Director, Center for Direct Catalytic Conversion of Biomass to Biofuels); C3Bio Staff

2017-12-09

'Moving from Petroleum to Plants to Energize our World' was submitted by the Center for Direct Catalytic Conversion of Biomass to Biofuels (C3Bio) to the 'Life at the Frontiers of Energy Research' video contest at the 2011 Science for Our Nation's Energy Future: Energy Frontier Research Centers (EFRCs) Summit and Forum. Twenty-six EFRCs created short videos to highlight their mission and their work. C3Bio, an EFRC directed by Maureen McCann at Purdue University is a partnership between five institutions: Purdue (lead), Argonne National Laboratory, National Renewable Energy Laboratory, Northeastern University, and the University of Tennessee. The Office of Basic Energy Sciences in the U.S. Department of Energy's Office of Science established the 46 Energy Frontier Research Centers (EFRCs) in 2009. These collaboratively-organized centers conduct fundamental research focused on 'grand challenges' and use-inspired 'basic research needs' recently identified in major strategic planning efforts by the scientific community. The overall purpose is to accelerate scientific progress toward meeting the nation's critical energy challenges.

The Promotion of Democratic Behavior and the Role of Media

ERIC Educational Resources Information Center

Khan, Muhammad Saqib; Khan, Irfanullah; Khan, Ahmad Ali; Jan, Farooq; Ahmad, Riaz; Rauf, Hamid

2015-01-01

This study is conducted to measure the influence of social media over the democratic behavior of the students. Social media is the main component of political participation in democratic societies and the study of democratic behavior is a highly specialized sub-field in political and social science. The study was concerned with the reasons that to…

Statistics & Input-Output Measures for School Library Media Centers in Colorado, 1996.

ERIC Educational Resources Information Center

Lance, Keith Curry; Cox, Marti A.

This compilation of statistics on Colorado's school media centers (LMCs) consists of three major components: (1) a 220-page tabulation of data arranged by school level and student enrollment level; (2) tables reporting statewide totals for school library statistics; and (3) tables with benchmark ratios for school library media center resources and…

Social Media, Higher Education, and Community Colleges: A Research Synthesis and Implications for the Study of Two-Year Institutions

ERIC Educational Resources Information Center

Davis, Charles H. F., III.; Deil-Amen, Regina; Rios-Aguilar, Cecilia; González Canché, Manuel Sacramento

2015-01-01

The boundaries between on-line and "real-world" communities are rapidly deteriorating, particularly for the generation of young people whose lives are pervaded by social media. For this generation, social media exchanges are a primary means of communication, social engagement, information seeking, and possibly, a central component of…

Examining the use of evidence-based and social media supported tools in freely accessible physical activity intervention websites.

PubMed

Vandelanotte, Corneel; Kirwan, Morwenna; Rebar, Amanda; Alley, Stephanie; Short, Camille; Fallon, Luke; Buzza, Gavin; Schoeppe, Stephanie; Maher, Carol; Duncan, Mitch J

2014-08-17

It has been shown that physical activity is more likely to increase if web-based interventions apply evidence-based components (e.g. self-monitoring) and incorporate interactive social media applications (e.g. social networking), but it is unclear to what extent these are being utilized in the publicly available web-based physical activity interventions. The purpose of this study was to evaluate whether freely accessible websites delivering physical activity interventions use evidence-based behavior change techniques and provide social media applications. In 2013, a systematic search strategy examined 750 websites. Data was extracted on a wide range of variables (e.g. self-monitoring, goal setting, and social media applications). To evaluate website quality a new tool, comprising three sub-scores (Behavioral Components, Interactivity and User Generated Content), was developed to assess implementation of behavior change techniques and social media applications. An overall website quality scored was obtained by summing the three sub-scores. Forty-six publicly available websites were included in the study. The use of self-monitoring (54.3%), goal setting (41.3%) and provision of feedback (46%) was relatively low given the amount of evidence supporting these features. Whereas the presence of features allowing users to generate content (73.9%), and social media components (Facebook (65.2%), Twitter (47.8%), YouTube (48.7%), smartphone applications (34.8%)) was relatively high considering their innovative and untested nature. Nearly all websites applied some behavioral and social media applications. The average Behavioral Components score was 3.45 (±2.53) out of 10. The average Interactivity score was 3.57 (±2.16) out of 10. The average User Generated Content Score was 4.02 (±2.77) out of 10. The average overall website quality score was 11.04 (±6.92) out of 30. Four websites (8.7%) were classified as high quality, 12 websites (26.1%) were classified as moderate quality, and 30 websites (65.2%) were classified as low quality. Despite large developments in Internet technology and growth in the knowledge of how to develop more effective web-based interventions, overall website quality was low and the majority of freely available physical activity websites lack the components associated with behavior change. However, the results show that website quality can be improved by taking a number of simple steps, and the presence of social media applications in most websites is encouraging.

Innovative use of recovered municipal solid waste incineration bottom ash as a component in growing media.

PubMed

Sormunen, Annika; Teo, Kanniainen; Tapio, Salo; Riina, Rantsi

2016-07-01

The utilisation of municipal solid waste incineration bottom ash has been extensively studied, for example, in the unbound layers of roads and the products of cement and concrete industry. On the other hand, less attention has been given to other innovative utilisation possibilities, such as using the municipal solid waste incineration bottom ash as a component in growing media of plants. The municipal solid waste incineration bottom ash contains useful substances, such as calcium, that can influence plant growth in a positive manner. Therefore, the utilisation of this waste-derived material in the growing media may substitute the use of commercial fertilisers. Since the municipal solid waste incineration bottom ash also contains hazardous substances that can be toxic to plants, the main aim of this study was to add different amounts of recovered municipal solid waste incineration bottom ash in the growing media and to evaluate the effect of this material on plant growth. Based on the obtained results, the concentration of, for example copper and zinc, increased in test plants; ryegrass and barley, when recovered municipal solid waste incineration bottom ash was added in their growing media. On the other hand, this did not have a significant effect on plant growth, if compared with the growth of plants in commercially produced growing medium. Furthermore, the replacement of natural sand with municipal solid waste incineration bottom ash had a positive liming effect in the growing media. Overall, these findings suggest that the utilisation of recovered municipal solid waste incineration bottom ash as a component in growing media is possible and, thus, may allow more widespread and innovative use of this waste-derived material. © The Author(s) 2016.

The Present Status of the Field of Digital Computer Based Industrial Control Systems and the Work of the International Purdue Workshop in Helping to Promote this Field

DTIC Science & Technology

1978-09-01

Strategy for a Class of Static Systems", IEEE Trans, on Auto. Cont., AC-17, 7-15 (1972). 14. Findeisen , W., and Lefkowitz, I., "Design and Applications...of Multilayer Control", Proc. Fourth IFAC Congress, Warsaw, 1969. 15. Findeisen , W., Multilevel Control Systems, Panstwowe Wydawnictwo Naukowe

Acquisition Management for System of Systems: Affordability through Effective Portfolio Management

DTIC Science & Technology

2013-04-01

the management of strategic “ portfolios of systems” in military acquisitions; this includes application of Real Options (RO) theory and metrics such...Affordability Through Effective Portfolio Management Navindran Davendralingam and Daniel DeLaurentis Purdue University Published April 1, 2013...Systems: Affordability Through Effective Portfolio Management 5a. CONTRACT NUMBER 5b. GRANT NUMBER 5c. PROGRAM ELEMENT NUMBER 6. AUTHOR(S) 5d

Silicon-Based Nanoscale Composite Energetic Materials

DTIC Science & Technology

2013-02-01

February 2013 HDTRA1-08-1-0006 Steven F. Son et al. Prepared by: Purdue University 130 Chaffee Hall 500 Allison Road West...in preparation or submitted. One patent disclosure has been submitted. We plan to submit another patent disclosure in the next few weeks...approach, termed salt-assisted combustion synthesis (SACS) (28]. In a SACS process, the SHS reactive mixture is combined with alkali metal halides

Military Space Mission Design and Analysis in a Multi-Body Environment: An Investigation of High-Altitude Orbits as Alternative Transfer Paths, Parking Orbits for Reconstitution, and Unconventional Mission Orbits

DTIC Science & Technology

2017-03-23

Dynamical Astronomy , vol. 90, no. January 2004, pp. 165–178, 2004. [Online]. Available: https://www.researchgate.net/publication/ 225231299 On The...Celestial Mechanics and Dynamical Astronomy , vol. 32, no. 1, pp. 53–71, 1984. [Online]. Available: https://engineering.purdue.edu/people/kathleen.howell

Córdova to Be Nominated as New Head of NSF

NASA Astrophysics Data System (ADS)

Showstack, Randy

2013-08-01

President Barack Obama announced on 31 July that he intends to nominate France Anne Córdova to become the next director of the National Science Foundation (NSF). Córdova was president of Purdue University from 2007 to 2012 and has been a professor of physics and astronomy there. Previously, Córdova was chancellor of the University of California, Riverside from 1996 to 2002.

Personal Reflection: "Joy Ride" with SoTL Practice: The Investigation of the Effectiveness of Assistive Technology Course Contents on Student Learning

ERIC Educational Resources Information Center

Cho, Jeong il

2012-01-01

This reflection is based on my project that investigated the impact of new course content on student learning of basic knowledge and attitudes toward various assistive technology (AT) devices and services using multiple measures in an introductory-level course in a special education program at Indiana University-Purdue University Fort Wayne.…

Campus Stories: Three Case Studies. Part C: Putting Experiential Education into Practice--Using Kolb as a Learning Model for Implementing Organizational Change

ERIC Educational Resources Information Center

Johnson, James R.; Kovach, Ronald J.; Roberson, Patricia N.

2010-01-01

This article is the third of three case studies of successful implementation of experiential education at very different types of institutions. This case study discusses the use of David A. Kolb's Experiential Learning Model in the implementation of innovative graduation requirements in experiential education that began in 2008. Purdue University…

Hands-On PV Experience (HOPE) Workshop - Text Version | Photovoltaic

Science.gov Websites

there. Ryan Ellis, Purdue University: So, one thing I learned quite a bit about was calibrating research group, we do use a reference cell, however, we typically just calibrate it to one sun... so we've kind of learned that you know, you may be getting to one sun on your reference cell but you may be

Leveraging multidisciplinarity in a visual analytics graduate course.

PubMed

Elmqvist, Niklas; Ebert, David S

2012-01-01

Demand is growing in engineering, business, science, research, and industry for students with visual analytics expertise. However, teaching VA is challenging owing to the multidisciplinary nature of the topic, students' diverse backgrounds, and the corresponding requirements for instructors. This article reports best practices from a VA graduate course at Purdue University, where instructors leveraged these challenges to their advantage instead of trying to mitigate them.

Are Gender Differences in Spatial Ability Real or an Artifact? Evaluation of Measurement Invariance on the Revised PSVT:R

ERIC Educational Resources Information Center

Maeda, Yukiko; Yoon, So Yoon

2016-01-01

We investigated the extent to which the observed gender differences in mental rotation ability among the 2,468 freshmen studying engineering at a Midwest public university attributed to the gender bias of a test. The Revised Purdue Spatial Visualization Tests: Visualization of Rotations (Revised PSVT:R) is a spatial test frequently used to measure…

Identification of an Adaptable Computer Program Design for Analyzing a Modular Organizational Assessment Instrument.

DTIC Science & Technology

1981-09-01

ber) Survey-guided development Organizational effectiveness Computer program Organizational diagnosis Management 20. ABSTRACT (Continue an reverse...Army. Doctoral dissertation, Purdue University, December 1977. (DTIC AD-A059-542) Bowers, D. G. Organizational diagnosis : A review and a proposed method...G. E. Compara- tive issues and methods in organizational diagnosis . Ann Arbor MI: Institute for Social Research, University of Michigan, November 1977

Macromolecule Mass Spectrometry: Citation Mining of User Documents

DTIC Science & Technology

2003-11-14

MCLUCKEY SA PURDUE UNIV USA 541 MANN M UNIV SO DENMARK DENMARK 450 BIEMANN K MIT USA 343 CHOWDHURY SK SANOFI WINTHROP INC USA 302 COVEY TR SCIEX LTD CANADA...glycopeptid 0.7, residu 0.7) (36) Cluster 8 (proteom 10.8, technolog 5.8, protein 5.7, genom 5.5, function 2.7, advanc 1.5, vaccin 1.2, new 1.1, biolog 1.1

Nuclear particle detection using a track-recording solid

NASA Technical Reports Server (NTRS)

Weber, M.; Weber, D.

1984-01-01

The design of the nuclear particle detector located in Purdue University's Get Away Special package which was flown aboard STS-7 is detailed. The experiment consisted of a stack of particle-detecting polymer sheets. The sheets show positive results of tracks throughout the block. A slide of each sheet was made for further analysis. Recommendations for similar experiments performed in the future are discussed.

Line Crack Subject to Shear.

DTIC Science & Technology

1977-07-01

91). f ex(ý- ,2 in ýx+x’)? dx’ = (T/)112 cp- 2 A)sinti x I~ ~ JCPIX ois r(x+x’)I (I/p Cos(- Fx (3.16) 12 = fexp(_py,2--yy, )dy’ . 1 /P1/2k~pY 24... Astro .& Engr. Sc. Providence, Rhode Island 02912 Purdue University Lafayette, Indiana 47907 Prof. R.S. Rivlin Center fe. the Application of Mathematics

Microresonator-Based Optical Frequency Combs: A Time Domain Perspective

DTIC Science & Technology

2016-04-19

optics; ultrafast optics 16. SECURITY CLASSIFICATION OF: 17. LIMITATION OF ABSTRACT 18. NUMBER OF PAGES 19a. NAME OF RESPONSIBLE PERSON a...generation at frequency spacings down to 25 GHz, in the range where convenient electronic detection is possible. (c) Our best Purdue microrings had...time domain measurements of the generated combs, leading to observation of novel, ultrafast dark pulse waveforms, have introduced new structures such

An Investigation of Leadership Best Practices and Teacher Morale in Six Community College Child Development Centers in Southern California

ERIC Educational Resources Information Center

Fisher, Paula V.

2010-01-01

This study was an investigation of a community college child development centers' leadership best practices and center teacher morale. A review of the literature focused on high and low teacher morale and leadership best practices. This quantitative study was conducted using the survey-design method with an adapted version of the Purdue Teacher…

Development of a Novel Synthetic Drug for Osteoporosis and Fracture Healing

DTIC Science & Technology

2015-11-01

Four-point bending setup for mechanical testing. (C & D) X-ray images of the fractured tibiae. Of note, a stainless steel rod was inserted in the...respectively. Figure 15. Mechanical strength 4 weeks after fracture induction for experiment 1. (A) Force- displacement relationship for the hydrogel...University Purdue University Indianapolis, Indianapolis, IN 46202, USA Keywords: bone fracture , tibia, salubrinal, hydrogel, mechanical test Running

Fundamentals of Ground-Water Modeling

EPA Pesticide Factsheets

This paper presents an overview of the essential components of ground-water flow and contaminant transport modeling in saturated porous media. While fractured rocks and fractured porous rocks may behave like porous media with respect to many flow and...

Dissection of culture media for embryos: the most important and less important components and characteristics.

PubMed

Gardner, David K

2008-01-01

Improvements in culture media formulations have led to an increase in the ability to maintain the mammalian embryo in culture throughout the preimplantation and pre-attachment period. Amino acids and specific macromolecules have been identified as being key medium components, whereas temporal dynamics have been recognised as important media characteristics. Furthermore, other laboratory factors that directly impact embryo development and viability have been identified. Such factors include the use of a reduced oxygen tension, an appropriate incubation system and an adequate prescreening of all contact supplies. With rigourous quality systems in place, it is possible to obtain in vivo rates of embryo development in vitro using new media formulations while maintaining high levels of embryo viability. The future of embryo culture will likely be based on novel culture chips capable of providing temporal dynamics while facilitating real-time analysis of embryo physiology.

HEK293 cell culture media study towards bioprocess optimization: Animal derived component free and animal derived component containing platforms.

PubMed

Liste-Calleja, Leticia; Lecina, Martí; Cairó, Jordi Joan

2014-04-01

The increasing demand for biopharmaceuticals produced in mammalian cells has lead industries to enhance bioprocess volumetric productivity through different strategies. Among those strategies, cell culture media development is of major interest. In the present work, several commercially available culture media for Human Embryonic Kidney cells (HEK293) were evaluated in terms of maximal specific growth rate and maximal viable cell concentration supported. The main objective was to provide different cell culture platforms which are suitable for a wide range of applications depending on the type and the final use of the product obtained. Performing simple media supplementations with and without animal derived components, an enhancement of cell concentration from 2 × 10(6) cell/mL to 17 × 10(6) cell/mL was achieved in batch mode operation. Additionally, the media were evaluated for adenovirus production as a specific application case of HEK293 cells. None of the supplements interfered significantly with the adenovirus infection although some differences were encountered in viral productivity. To the best of our knowledge, the high cell density achieved in the work presented has never been reported before in HEK293 batch cell cultures and thus, our results are greatly promising to further study cell culture strategies in bioreactor towards bioprocess optimization. Copyright © 2013 The Society for Biotechnology, Japan. Published by Elsevier B.V. All rights reserved.

The role of social media in online weight management: systematic review.

PubMed

Chang, Tammy; Chopra, Vineet; Zhang, Catherine; Woolford, Susan J

2013-11-28

Social media applications are promising adjuncts to online weight management interventions through facilitating education, engagement, and peer support. However, the precise impact of social media on weight management is unclear. The objective of this study was to systematically describe the use and impact of social media in online weight management interventions. PubMed, PsycINFO, EMBASE, Web of Science, and Scopus were searched for English-language studies published through March 25, 2013. Additional studies were identified by searching bibliographies of electronically retrieved articles. Randomized controlled trials of online weight management interventions that included a social media component for individuals of all ages were selected. Studies were evaluated using 2 systematic scales to assess risk of bias and study quality. Of 517 citations identified, 20 studies met eligibility criteria. All study participants were adults. Because the included studies varied greatly in study design and reported outcomes, meta-analysis of interventions was not attempted. Although message boards and chat rooms were the most common social media component included, their effect on weight outcomes was not reported in most studies. Only one study measured the isolated effect of social media. It found greater engagement of participants, but no difference in weight-related outcomes. In all, 65% of studies were of high quality; 15% of studies were at low risk of bias. Despite the widespread use of social media, few studies have quantified the effect of social media in online weight management interventions; thus, its impact is still unknown. Although social media may play a role in retaining and engaging participants, studies that are designed to measure its effect are needed to understand whether and how social media may meaningfully improve weight management.

The Role of Social Media in Online Weight Management: Systematic Review

PubMed Central

Chopra, Vineet; Zhang, Catherine; Woolford, Susan J

2013-01-01

Background Social media applications are promising adjuncts to online weight management interventions through facilitating education, engagement, and peer support. However, the precise impact of social media on weight management is unclear. Objective The objective of this study was to systematically describe the use and impact of social media in online weight management interventions. Methods PubMed, PsycINFO, EMBASE, Web of Science, and Scopus were searched for English-language studies published through March 25, 2013. Additional studies were identified by searching bibliographies of electronically retrieved articles. Randomized controlled trials of online weight management interventions that included a social media component for individuals of all ages were selected. Studies were evaluated using 2 systematic scales to assess risk of bias and study quality. Results Of 517 citations identified, 20 studies met eligibility criteria. All study participants were adults. Because the included studies varied greatly in study design and reported outcomes, meta-analysis of interventions was not attempted. Although message boards and chat rooms were the most common social media component included, their effect on weight outcomes was not reported in most studies. Only one study measured the isolated effect of social media. It found greater engagement of participants, but no difference in weight-related outcomes. In all, 65% of studies were of high quality; 15% of studies were at low risk of bias. Conclusions Despite the widespread use of social media, few studies have quantified the effect of social media in online weight management interventions; thus, its impact is still unknown. Although social media may play a role in retaining and engaging participants, studies that are designed to measure its effect are needed to understand whether and how social media may meaningfully improve weight management. PMID:24287455

Understanding the Use and Impact of Social Media Features on the Educational Experiences of Higher-Education Students in Blended and Distance-Learning Environments

ERIC Educational Resources Information Center

Scialdone, Michael John

2014-01-01

Students are increasingly expecting social media to be a component of their educational experiences both outside and inside of the classroom. The phenomenon of interest in this dissertation is understanding how the educational experiences of students are affected when social media are incorporated into online and blended course activities.…

Comparative cost-effectiveness of the components of a behavior change communication campaign on HIV/AIDS in North India.

PubMed

Sood, Suruchi; Nambiar, Devaki

2006-01-01

Numerous studies show that exposure to entertainment-education-based mass media campaigns is associated with reduction in risk behaviors. Concurrently, there is a growing interest in comparing the cost-effectiveness of HIV prevention interventions taking into account infrastructural and programmatic costs. In such analyses, though few in number, mass media campaigns have fared well. Using data from a mass media communication campaign in the low HIV prevalence states of Uttar Pradesh, Rajasthan, and Delhi in Northern India, in this article we examine the following: (1) factors that mediate behavior change in different components of the campaign, comprising a TV drama, reality show for youth audiences, and TV spots; (2) the relative impact of campaign components on the behavioral outcome: condom use; and (3) the cost-effectiveness calculations arising from this analysis. Results suggest that recall of the TV spots and the TV drama influences behavior change and is strongly associated with interpersonal communication and positive gender attitudes. The TV drama, in spite of being the costliest, emerges as the most cost-effective component when considering the behavioral outcome of interest. The analysis of the comparative cost-effectiveness of individual campaign components provides insights into the planning of resources for communication interventions globally.

Evaluation of economically feasible, natural plant extract-based microbiological media for producing biomass of the dry rot biocontrol strain Pseudomonas fluorescens P22Y05 in liquid culture.

PubMed

Khalil, Sadia; Ali, Tasneem Adam; Skory, Chris; Slininger, Patricia J; Schisler, David A

2016-02-01

The production of microbial biomass in liquid media often represents an indispensable step in the research and development of bacterial and fungal strains. Costs of commercially prepared nutrient media or purified media components, however, can represent a significant hurdle to conducting research in locations where obtaining these products is difficult. A less expensive option for providing components essential to microbial growth in liquid culture is the use of extracts of fresh or dried plant products obtained by using hot water extraction techniques. A total of 13 plant extract-based media were prepared from a variety of plant fruits, pods or seeds of plant species including Allium cepa (red onion bulb), Phaseolus vulgaris (green bean pods), and Lens culinaris (lentil seeds). In shake flask tests, cell production by potato dry rot antagonist Pseudomonas fluorescens P22Y05 in plant extract-based media was generally statistically indistinguishable from that in commercially produced tryptic soy broth and nutrient broth as measured by optical density and colony forming units/ml produced (P ≤ 0.05, Fisher's protected LSD). The efficacy of biomass produced in the best plant extract-based media or commercial media was equivalent in reducing Fusarium dry rot by 50-96% compared to controls. In studies using a high-throughput microbioreactor, logarithmic growth of P22Y05 in plant extract-based media initiated in 3-5 h in most cases but specific growth rate and the time of maximum OD varied as did the maximum pH obtained in media. Nutrient analysis of selected media before and after cell growth indicated that nitrogen in the form of NH4 accumulated in culture supernatants, possibly due to unbalanced growth conditions brought on by a scarcity of simple sugars in the media tested. The potential of plant extract-based media to economically produce biomass of microbes active in reducing plant disease is considerable and deserves further research.

Direct and Indirect Predictors of Social Competence in United States Army Junior Commissioned Officers

DTIC Science & Technology

2005-11-01

colleagues, Professors Eric Heggestad and Charlie Reeve, for making their graduate students available to us for data collection and test scoring...Purdue University, respectively, with little difficulty. We sincerely thank the I/O graduate students and consultants who served as data collectors and...scales in both Air Force enlistee and university undergraduate samples. Justification of Hypothesized Link between General Cognitive Ability and Social

Mechanics of Multiscale Energy Dissipation in Topologically Interlocked Materials-11.1 STIR

DTIC Science & Technology

2013-09-01

modelling of impact damage in brittle materials, International Journal of Solids and Structures, 33 (1996) 2899- 2938 . [38] C . Denoual, F. Hild, Dynamic...Siegmund Purdue University Sponosored Program Services 155 S Grant Street West Lafayette, IN 47907 -2114 REPORT DOCUMENTATION PAGE b. ABSTRACT UU c . THIS...2013, Northwestern University, Evanston, IL, USA, Abstract #371. ( c ) Presentations Number of Presentations: 2.00 Non Peer-Reviewed Conference

Technology in the Piano Lab: Band-in-a-Box--An Interview with E.J. Choe

ERIC Educational Resources Information Center

Nardo, Rachel; Choe, E. J.

2010-01-01

This article presents an interview with E.J. Choe, director of the Music Academy at Indiana University-Purdue University Indianapolis, on how she became involved in the use of technology to teach piano and how the software program Band-in-a-Box has helped her in teaching her students. Choe shares that instead of sitting at a grand piano in her…

The ECE Culminating Design Experience: Analysis of ABET 2000 Compliance at Leading Academic Institutions

DTIC Science & Technology

2006-05-01

a significant design project that requires development of a large scale software project . A distinct shortcoming of Purdue ECE...18-540: Rapid Prototyping of Computer Systems This is a project -oriented course which will deal with all four aspects of project development ; the...instructors, will develop specifications for a mobile computer to assist in inspection and maintenance. The application will be partitioned

A Comparative Study of the Effects of Using Dynamic Geometry Software and Physical Manipulatives on the Spatial Visualisation Skills of Pre-Service Mathematics Teachers

ERIC Educational Resources Information Center

Baki, Adnan; Kosa, Temel; Guven, Bulent

2011-01-01

The study compared the effects of dynamic geometry software and physical manipulatives on the spatial visualisation skills of first-year pre-service mathematics teachers. A pre- and post-test quasi-experimental design was used. The Purdue Spatial Visualisation Test (PSVT) was used for the pre- and post-test. There were three treatment groups. The…

Comprehensive Fuel Spray Modeling and Impacts on Chamber Acoustics in Combustion Dynamics Simulations

DTIC Science & Technology

2013-05-01

multiple swirler configurations and fuel injector locations at atmospheric pressure con- ditions. Both single-element and multiple-element LDI...the swirl number, Reynolds’ number and injector location in the LDI element. Besides the multi-phase flow characteristics, several experimen- tal...region downstream of the fuel injector on account of a sta- ble and compact precessing vortex core. Recent ex- periments conducted by the Purdue group have

76 FR 58246 - Purdue University; Notice of Decision on Applications for Duty-Free Entry of Scientific Instruments

Federal Register 2010, 2011, 2012, 2013, 2014

2011-09-20

... Applications for Duty- Free Entry of Scientific Instruments This is a decision pursuant to Section 6(c) of the Educational, Scientific, and Cultural Materials Importation Act of 1966 (Pub. L. 89- 651, as amended by Pub. L. 106-36; 80 Stat. 897; 15 CFR part 301). Related records can be viewed between 8:30 a.m. and 5 p.m. in...

The Continuing Education Unit. Five Guideline Statements: Purdue University, Indiana University, University of Delaware, University of New Hampshire, University of North Dakota.

ERIC Educational Resources Information Center

New Hampshire Univ., Durham. Div. of Continuing Education.

The National Task Force Interim Statement of 1970, regarding the utilization of the Continuing Education Unit (CEU), provides the basic framework of these five documents. All agree in their definition of the CEU as 10 contact hours of participation in an organized continuing education experience and set forth criteria for applying the CEU to their…

Detection of Buried Mines and Unexploded Ordnance (UXO)

DTIC Science & Technology

2007-04-20

http://www.apopo.org/newsite/content/index.htm Ref-3 Block, M., R. Medina , and R. Albanese. Analysis of data determining whether European honey...News Service, September 30. http://www.purdue.edu/UNS/html4ever/2005/050930.Cooks.explosives.html Brannon, James. M., Patrick Deliman, Carlos Ruiz...James. M., Patrick Deliman, Carlos Ruiz, Cynthia Price, Mohammed Qasim, Jeffrey A. Gerald, Charolett Hayes, and Sally Yost. 1999. HMX adsorption and TNT

Reintegration Difficulty of Military Couples Following Deployment

DTIC Science & Technology

2016-07-01

supervision, four Ph.D. students were employed during the 2015-16 academic year to gain research experience and complete advanced research tasks...Working group member, Battle Plan for Military Families Symposium, Military Family Research Institute at Purdue University. Knobloch, L. K. (2016...using an experimental paradigm: The moderating effect of acute sad mood. Behaviour Research and Therapy, 48, 97–105. doi:10.1016/j.brat.2009.09.013

A Computational Study of Transverse Combustion Instability Mechanisms

DTIC Science & Technology

2014-07-01

April 2001. 7. Selle, L ., Benoit , L ., Poinsot, T., Nicoud, F., Krebs, W., “Joint use of compressible large-eddy simulation and Helmholtz solvers for...Mechanisms Kevin J. Shipley1, William E. Anderson2 Purdue University, West Lafayette, IN, 47906 Matthew E. Harvazinski3, and Venkateswaran Sankaran4...Lafayette, IN, August 2010. 9. Xia, G., Harvazinski, M., Anderson, W., Merkle, C. L ., “Investigation of Modeling and Physical Parameters on Instability

Responsiveness of performance-based outcome measures for mobility, balance, muscle strength and manual dexterity in adults with myotonic dystrophy type 1.

PubMed

Kierkegaard, Marie; Petitclerc, Émilie; Hébert, Luc J; Mathieu, Jean; Gagnon, Cynthia

2018-02-28

To assess changes and responsiveness in outcome measures of mobility, balance, muscle strength and manual dexterity in adults with myotonic dystrophy type 1. A 9-year longitudinal study conducted with 113 patients. The responsiveness of the Timed Up and Go test, Berg Balance Scale, quantitative muscle testing, grip and pinch-grip strength, and Purdue Pegboard Test was assessed using criterion and construct approaches. Patient-reported perceived changes (worse/stable) in balance, walking, lower-limb weakness, stair-climbing and hand weakness were used as criteria. Predefined hypotheses about expected area under the receiver operating characteristic curves (criterion approach) and correlations between relative changes (construct approach) were explored. The direction and magnitude of median changes in outcome measures corresponded with patient-reported changes. Median changes in the Timed Up and Go test, grip strength, pinch-grip strength and Purdue Pegboard Test did not, in general, exceed known measurement errors. Most criterion (72%) and construct (70%) approach hypotheses were supported. Promising responsiveness was found for outcome measures of mobility, balance and muscle strength. Grip strength and manual dexterity measures showed poorer responsiveness. The performance-based outcome measures captured changes over the 9-year period and responsiveness was promising. Knowledge of measurement errors is needed to interpret the meaning of these longitudinal changes.

Electrostatic and Quantum Transport Simulations of Quantum Point Contacts in the Integer Quantum Hall Regime

NASA Astrophysics Data System (ADS)

Sahasrabudhe, Harshad; Fallahi, Saeed; Nakamura, James; Povolotskyi, Michael; Novakovic, Bozidar; Rahman, Rajib; Manfra, Michael; Klimeck, Gerhard

Quantum Point Contacts (QPCs) are extensively used in semiconductor devices for charge sensing, tunneling and interference experiments. Fabry-Pérot interferometers containing 2 QPCs have applications in quantum computing, in which electrons/quasi-particles undergo interference due to back-scattering from the QPCs. Such experiments have turned out to be difficult because of the complex structure of edge states near the QPC boundary. We present realistic simulations of the edge states in QPCs based on GaAs/AlGaAs heterostructures, which can be used to predict conductance and edge state velocities. Conduction band profile is obtained by solving decoupled effective mass Schrödinger and Poisson equations self-consistently on a finite element mesh of a realistic geometry. In the integer quantum Hall regime, we obtain compressible and in-compressible regions near the edges. We then use the recursive Green`s function algorithm to solve Schrödinger equation with open boundary conditions for calculating transmission and local current density in the QPCs. Impurities are treated by inserting bumps in the potential with a Gaussian distribution. We compare observables with experiments for fitting some adjustable parameters. The authors would like to thank Purdue Research Foundation and Purdue Center for Topological Materials for their support.

The relationship between executive function and fine motor control in young and older adults.

PubMed

Corti, Emily J; Johnson, Andrew R; Riddle, Hayley; Gasson, Natalie; Kane, Robert; Loftus, Andrea M

2017-01-01

The present study examined the relationship between executive function (EF) and fine motor control in young and older healthy adults. Participants completed 3 measures of executive function; a spatial working memory (SWM) task, the Stockings of Cambridge task (planning), and the Intra-Dimensional Extra-Dimensional Set-Shift task (set-shifting). Fine motor control was assessed using 3 subtests of the Purdue Pegboard (unimanual, bimanual, sequencing). For the younger adults, there were no significant correlations between measures of EF and fine motor control. For the older adults, all EFs significantly correlated with all measures of fine motor control. Three separate regressions examined whether planning, SWM and set-shifting independently predicted unimanual, bimanual, and sequencing scores for the older adults. Planning was the primary predictor of performance on all three Purdue subtests. A multiple-groups mediation model examined whether planning predicted fine motor control scores independent of participants' age, suggesting that preservation of planning ability may support fine motor control in older adults. Planning remained a significant predictor of unimanual performance in the older age group, but not bimanual or sequencing performance. The findings are discussed in terms of compensation theory, whereby planning is a key compensatory resource for fine motor control in older adults. Copyright © 2016 Elsevier B.V. All rights reserved.

Engineered Materials for Cesium and Strontium Storage Final Technical Report

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

Sean M. McDeavitt

2010-04-14

Closing the nuclear fuel cycle requires reprocessing spent fuel to recover the long-lived components that still have useful energy content while immobilizing the remnant waste fission products in stable forms. At the genesis of this project, next generation spent fuel reprocessing methods were being developed as part of the U.S. Department of Energy's Advanced Fuel Cycle Initiative. One of these processes was focused on solvent extraction schemes to isolate cesium (Cs) and strontium (Sr) from spent nuclear fuel. Isolating these isotopes for short-term decay storage eases the design requirements for long-term repository disposal; a significant amount of the radiation andmore » decay heat in fission product waste comes from Cs-137 and Sr-90. For the purposes of this project, the Fission Product Extraction (FPEX) process is being considered to be the baseline extraction method. The objective of this project was to evaluate the nature and behavior of candidate materials for cesium and strontium immobilization; this will include assessments with minor additions of yttrium, barium, and rubidium in these materials. More specifically, the proposed research achieved the following objectives (as stated in the original proposal): (1) Synthesize simulated storage ceramics for Cs and Sr using an existing labscale steam reformer at Purdue University. The simulated storage materials will include aluminosilicates, zirconates and other stable ceramics with the potential for high Cs and Sr loading. (2) Characterize the immobilization performance, phase structure, thermal properties and stability of the simulated storage ceramics. The ceramic products will be stable oxide powders and will be characterized to quantify their leach resistance, phase structure, and thermophysical properties. The research progressed in two stages. First, a steam reforming process was used to generate candidate Cs/Sr storage materials for characterization. This portion of the research was carried out at Purdue University and is detailed in Appendix A. Steam reforming proved to be too rigorous for efficient The second stage of this project was carried out at Texas A&M University and is Detailed in Appendix B. In this stage, a gentler ceramic synthesis process using Cs and Sr loaded kaolinite and bentonite clays was developed in collaboration with Dr. M. Kaminski at Argonne National Laboratory.« less

Harnessing the landscape of microbial culture media to predict new organism–media pairings

PubMed Central

Oberhardt, Matthew A.; Zarecki, Raphy; Gronow, Sabine; Lang, Elke; Klenk, Hans-Peter; Gophna, Uri; Ruppin, Eytan

2015-01-01

Culturing microorganisms is a critical step in understanding and utilizing microbial life. Here we map the landscape of existing culture media by extracting natural-language media recipes into a Known Media Database (KOMODO), which includes >18,000 strain–media combinations, >3300 media variants and compound concentrations (the entire collection of the Leibniz Institute DSMZ repository). Using KOMODO, we show that although media are usually tuned for individual strains using biologically common salts, trace metals and vitamins/cofactors are the most differentiating components between defined media of strains within a genus. We leverage KOMODO to predict new organism–media pairings using a transitivity property (74% growth in new in vitro experiments) and a phylogeny-based collaborative filtering tool (83% growth in new in vitro experiments and stronger growth on predicted well-scored versus poorly scored media). These resources are integrated into a web-based platform that predicts media given an organism's 16S rDNA sequence, facilitating future cultivation efforts. PMID:26460590

Teaching with Transmedia

ERIC Educational Resources Information Center

Pence, Harry E.

2012-01-01

The media environment is currently being dramatically changed by social networking, mobile computing, augmented reality, and transmedia. Of these four, transmedia is probably the least familiar to most educators. Transmedia enhances a central story idea with a variety of media components that provide additional information, give increased…

A computational analysis of the aerodynamic and aeromechanical behavior of the purdue multistage compressor

NASA Astrophysics Data System (ADS)

Monk, David James Winchester

Compressor design programs are becoming more reliant on computational tools to predict and optimize aerodynamic and aeromechanical behavior within a compressor. Recent trends in compressor development continue to push for more efficient, lighter weight, and higher performance machines. To meet these demands, designers must better understand the complex nature of the inherently unsteady flow physics inside of a compressor. As physical testing can be costly and time prohibitive, CFD and other computational tools have become the workhorse during design programs. The objectives of this research were to investigate the aerodynamic and aeromechanical behavior of the Purdue multistage compressor, as well as analyze novel concepts for reducing rotor resonant responses in compressors. Advanced computational tools were utilized to allow an in-depth analysis of the flow physics and structural characteristics of the Purdue compressor, and complement to existing experimental datasets. To analyze the aerodynamic behavior of the compressor a Rolls-Royce CFD code, developed specifically for multistage turbomachinery flows, was utilized. Steady-state computations were performed using the RANS solver on a single-passage mesh. Facility specific boundary conditions were applied to the model, increasing the model fidelity and overall accuracy of the predictions. Detailed investigations into the overall compressor performance, stage performance, and individual blade row performance were completed. Additionally, separation patterns on stator vanes at different loading conditions were investigated by plotting pathlines near the stator suction surfaces. Stator cavity leakage flows were determined to influence the size and extent of stator hub separations. In addition to the aerodynamic analysis, a Rolls-Royce aeroelastic CFD solver was utilized to predict the forced response behavior of Rotor 2, operating at the 1T mode crossing of the Campbell Diagram. This computational tool couples aerodynamic predictions with structural models to determine maximum Rotor 2 vibration amplitudes excited by both vortical and potential disturbances. A multi-bladerow, full-annulus unsteady simulation was performed to capture the aerodynamic forcing functions and understand the influence of bladerow interactions on these flow disturbances. The strength and frequency content of the S1 vortical field and S2 potential field were examined to quantify the aerodynamic forces exciting resonant vibrations. Detailed comparisons were made to experimental datasets acquired on the Purdue compressor which characterize the forced response behavior at the 1T mode crossing. Lastly, stator asymmetry was examined as a means of reducing forced response vibration amplitudes. For this study, a new Stator 1 ring was designed with a reduced vane count, creating the ability to isolate the relative contribution of the S1 wakes on R2 vibrational amplitudes. A second Stator 1 ring was then designed with asymmetric vane spacing such that two stator half-sectors of different vane counts were joined together to form a full stator ring. By joining two stator half-sectors with different vane counts, the energy of the wakes is spread into additional frequencies, thereby reducing the overall amplitudes. The aeroelastic CFD solver was again used to perform steady-state and unsteady simulations, capturing the effect of the stator asymmetry on resonant vibrational amplitudes. The resulting blade deflection amplitudes are presented and discussed in detail.

Flexible server architecture for resource-optimal presentation of Internet multimedia streams to the client

NASA Astrophysics Data System (ADS)

Boenisch, Holger; Froitzheim, Konrad

1999-12-01

The transfer of live media streams such as video and audio over the Internet is subject to several problems, static and dynamic by nature. Important quality of service (QoS) parameters do not only differ between various receivers depending on their network access, service provider, and nationality, the QoS is also variable in time. Moreover the installed receiver base is heterogeneous with respect to operating system, browser or client software, and browser version. We present a new concept for serving live media streams. It is not longer based on the current one-size-fits all paradigm, where the server offers just one stream. Our compresslet system takes the opposite approach: it builds media streams `to order' and `just in time'. Every client subscribing to a media stream uses a servlet loaded into the media server to generate a tailored data stream for his resources and constraints. The server is designed such that commonly used components for media streams are computed once. The compresslets use these prefabricated components, code additional data if necessary, and construct the data stream based on the dynamic available QoS and other client constraints. A client-specific encoding leads to resource- optimal presentation that is especially useful for the presentation of complex multimedia documents on a variety of output devices.

Pretreatment of different food rest materials for bioconversion into fungal lipid-rich biomass.

PubMed

Tzimorotas, D; Afseth, N K; Lindberg, D; Kjørlaug, O; Axelsson, L; Shapaval, V

2018-04-13

Food rest materials have the potential to be used as media components in various types of fermentations. Oleaginous filamentous fungi can utilize those components and generate a high-value lipid-rich biomass, which could be further used for animal and human use. One of the main limitations in this process is the pretreatment of food rest materials, needed to provide homogenization, sterilization and solubilization. In this study, two pretreatment processes-steam explosion and enzymatic hydrolysis-were evaluated for potato and animal protein-rich food rest materials. The pretreated food rest materials were used for the production of fungal lipid-rich biomass in submerged fermentation by the oleaginous fungus Mucor circinelloides. Cultivation media based on malt extract broth and glucose were used as controls of growth and lipid production, respectively. It was observed that media based on food rest materials can support growth and lipid production in M. circinelloides to a similar extent as the control media. More specifically, the use of potato hydrolysate combined with chicken auto-hydrolysate resulted in a higher fungal total biomass weight than using malt extract broth. When the same C/N ratio was used for glucose and rest materials-based media, similar lipid content was obtained or even higher using the latter media.

Functional annotation of regulatory pathways.

PubMed

Pandey, Jayesh; Koyutürk, Mehmet; Kim, Yohan; Szpankowski, Wojciech; Subramaniam, Shankar; Grama, Ananth

2007-07-01

Standardized annotations of biomolecules in interaction networks (e.g. Gene Ontology) provide comprehensive understanding of the function of individual molecules. Extending such annotations to pathways is a critical component of functional characterization of cellular signaling at the systems level. We propose a framework for projecting gene regulatory networks onto the space of functional attributes using multigraph models, with the objective of deriving statistically significant pathway annotations. We first demonstrate that annotations of pairwise interactions do not generalize to indirect relationships between processes. Motivated by this result, we formalize the problem of identifying statistically overrepresented pathways of functional attributes. We establish the hardness of this problem by demonstrating the non-monotonicity of common statistical significance measures. We propose a statistical model that emphasizes the modularity of a pathway, evaluating its significance based on the coupling of its building blocks. We complement the statistical model by an efficient algorithm and software, Narada, for computing significant pathways in large regulatory networks. Comprehensive results from our methods applied to the Escherichia coli transcription network demonstrate that our approach is effective in identifying known, as well as novel biological pathway annotations. Narada is implemented in Java and is available at http://www.cs.purdue.edu/homes/jpandey/narada/.

Social Media as an Engagement Tool for Schools and Colleges of Pharmacy.

PubMed

Chen, Emily; DiVall, Margarita

2018-05-01

Objective. To describe the importance of and potential approaches to social media strategy development for schools and colleges of pharmacy. Findings. In recent years, pharmacy educators have begun exploring the benefits of social media. Effectively utilizing social media as a tool to fulfill marketing, recruitment, and student engagement initiatives is contingent on having a fully developed social media strategy that is well-positioned for success. Developing a sustainable social media strategy involves the following important components: establishing goals and objectives, identifying target audiences, performing competitive and channel analyses, developing content strategy, activities planning, identifying roles, budget and resources planning, and analyzing ongoing performance. Summary. This paper provides relevant information and guidance for colleges and schools of pharmacy that wish to enhance their social media presence.

Social Media as an Engagement Tool for Schools and Colleges of Pharmacy

PubMed Central

Chen, Emily

2018-01-01

Objective. To describe the importance of and potential approaches to social media strategy development for schools and colleges of pharmacy. Findings. In recent years, pharmacy educators have begun exploring the benefits of social media. Effectively utilizing social media as a tool to fulfill marketing, recruitment, and student engagement initiatives is contingent on having a fully developed social media strategy that is well-positioned for success. Developing a sustainable social media strategy involves the following important components: establishing goals and objectives, identifying target audiences, performing competitive and channel analyses, developing content strategy, activities planning, identifying roles, budget and resources planning, and analyzing ongoing performance. Summary. This paper provides relevant information and guidance for colleges and schools of pharmacy that wish to enhance their social media presence. PMID:29867244

Media Literacy Interventions: A Meta-Analytic Review

PubMed Central

Jeong, Se-Hoon; Cho, Hyunyi; Hwang, Yoori

2012-01-01

Although numerous media literacy interventions have been developed and delivered over the past 3 decades, a comprehensive meta-analytic assessment of their effects has not been available. This study investigates the average effect size and moderators of 51 media literacy interventions. Media literacy interventions had positive effects (d=.37) on outcomes including media knowledge, criticism, perceived realism, influence, behavioral beliefs, attitudes, self-efficacy, and behavior. Moderator analyses indicated that interventions with more sessions were more effective, but those with more components were less effective. Intervention effects did not vary by the agent, target age, the setting, audience involvement, the topic, the country, or publication status. PMID:22736807

77 FR 38598 - Privacy Act of 1974; System of Records

Federal Register 2010, 2011, 2012, 2013, 2014

2012-06-28

... include staff packages, complaints, appeals, grievances, investigations, news media reports and articles... and details of inquiries; news media reports and articles pertaining to DoD OIG components, commands....regulations.gov as they are received without change, including any personal identifiers or contact information...

Tailoring recombinant protein quality by rational media design.

PubMed

Brühlmann, David; Jordan, Martin; Hemberger, Jürgen; Sauer, Markus; Stettler, Matthieu; Broly, Hervé

2015-01-01

Clinical efficacy and safety of recombinant proteins are closely associated with their structural characteristics. The major quality attributes comprise glycosylation, charge variants (oxidation, deamidation, and C- & N-terminal modifications), aggregates, low-molecular-weight species (LMW), and misincorporation of amino acids in the protein backbone. Cell culture media design has a great potential to modulate these quality attributes due to the vital role of medium in mammalian cell culture. The purpose of this review is to provide an overview of the way both classical cell culture medium components and novel supplements affect the quality attributes of recombinant therapeutic proteins expressed in mammalian hosts, allowing rational and high-throughput optimization of mammalian cell culture media. A selection of specific and/or potent inhibitors and activators of oligosaccharide processing as well as components affecting multiple quality attributes are presented. Extensive research efforts in this field show the feasibility of quality engineering through media design, allowing to significantly modulate the protein function. © 2015 American Institute of Chemical Engineers.

Data handling and analysis for the 1971 corn blight watch experiment

NASA Technical Reports Server (NTRS)

Anuta, P. E.; Phillips, T. L.

1973-01-01

The overall corn blight watch experiment data flow is described and the organization of the LARS/Purdue data center is discussed. Data analysis techniques are discussed in general and the use of statistical multispectral pattern recognition methods for automatic computer analysis of aircraft scanner data is described. Some of the results obtained are discussed and the implications of the experiment on future data communication requirements for earth resource survey systems is discussed.

Using the Purdue University Public Affairs (C-SPAN) Video Archives in the Classroom To Study President George Bush and the Language of Aggression during the Persian Gulf War.

ERIC Educational Resources Information Center

Schnell, Jim

This paper describes the methodology employed to study videotapes of presentations made by President George Bush during the crisis in the Persian Gulf. Analysis of President Bush's language in relation to the events of the Gulf War was undertaken. Videotapes were used because they allowed for analysis of nonverbal communication as well as verbal…

Genome sequence of "Candidatus Mycoplasma haemolamae" strain purdue, a red blood cell pathogen of alpacas (Vicugna pacos) and llamas (Lama glama).

PubMed

Guimaraes, Ana M S; Toth, Balazs; Santos, Andrea P; do Nascimento, Naíla C; Kritchevsky, Janice E; Messick, Joanne B

2012-11-01

We report the complete genome sequence of "Candidatus Mycoplasma haemolamae," an endemic red-cell pathogen of camelids. The single, circular chromosome has 756,845 bp, a 39.3% G+C content, and 925 coding sequences (CDSs). A great proportion (49.1%) of these CDSs are organized into paralogous gene families, which can now be further explored with regard to antigenic variation.

Remote terminal system evaluation

NASA Technical Reports Server (NTRS)

Phillips, T. L.; Grams, H. L.; Lindenlaub, J. C.; Schwingendorf, S. K.; Swain, P. H.; Simmons, W. R.

1975-01-01

An Earth Resources Data Processing System was developed to evaluate the system for training, technology transfer, and data processing. In addition to the five sites included in this project two other sites were connected to the system under separate agreements. The experience of these two sites is discussed. The results of the remote terminal project are documented in seven reports: one from each of the five project sites, Purdue University, and an overview report summarizing the other six reports.

Air Force Engineering Research Initiation Grant Program

DTIC Science & Technology

1994-06-21

MISFET Structures for High-Frequency Device Applications" RI-B-91-13 Prof. John W. Silvestro Clemson University "The Effect of Scattering by a Near...Synthesis Method for Concurrent Engineering Applications" RI-B-92-03 Prof. Steven H. Collicott Purdue University "An Experimental Study of the Effect of a ...beams is studied. The effect of interply delam- inations on natural frequencies and mode shapes is evaluated analytically. A generalized variational

Phase Field Fracture Mechanics.

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

Robertson, Brett Anthony

For this assignment, a newer technique of fracture mechanics using a phase field approach, will be examined and compared with experimental data for a bend test and a tension test. The software being used is Sierra Solid Mechanics, an implicit/explicit finite element code developed at Sandia National Labs in Albuquerque, New Mexico. The bend test experimental data was also obtained at Sandia Labs while the tension test data was found in a report online from Purdue University.

Assessing the Impact of Development Disruptions and Dependencies in Analysis of Alternatives of System-of-Systems

DTIC Science & Technology

2012-12-31

WORK UNIT NUMBER 7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) Purdue University,West Lafayette,IN,47907 8. PERFORMING ORGANIZATION REPORT...operational independence, yet, must work cohesively to achieve an overarching set of capabilities. Current guidelines set forth by the Department of Defense...architectures; these methods will be further matured and enhanced in follow-up research work under RT-44. 15. SUBJECT TERMS 16. SECURITY

Unmanned Aerial Systems (UAS) Mission Planning

DTIC Science & Technology

2012-07-03

equipped with a C-Band analog video transmitter that can be received by any L3 ROVER system. This transmitter is planned to upgrade to a digital S or L...Crow platforms. These platforms are being used for student education regarding how to initially setup UAS autopilots, conduct Hardware in the Loop...University, a B.S. in aviation administration from Purdue University, an MBAA from Embry-Riddle Aeronautical University, and a Ph.D. in educational

2004 Sexual Harassment Survey of Reserve Component Members

DTIC Science & Technology

2005-03-01

considerable media attention. In the ment and fraternization problems were occurring at spring of 1990, a female Midshipman at the Naval Naval...General (DoD IG) team’s incident of sexual harassment drew wide investigation was undertaken at the request of the media attention; and, in 1994, the...EO) programs and instituted major hearings was widely promulgated in the media . changes to its EO policies and programs. Shortly after the hearings

A systematic review of the use and effectiveness of social media in child health.

PubMed

Hamm, Michele P; Shulhan, Jocelyn; Williams, Gillian; Milne, Andrea; Scott, Shannon D; Hartling, Lisa

2014-06-02

Social media use is highly prevalent among children, youth, and their caregivers, and its use in healthcare is being explored. The objective of this study was to conduct a systematic review to determine: 1) for what purposes social media is being used in child health and its effectiveness; and 2) the attributes of social media tools that may explain how they are or are not effective. We searched Medline, CENTRAL, ERIC, PubMed, CINAHL, Academic Search Complete, Alt Health Watch, Health Source, Communication and Mass Media Complete, Web of Knowledge, and Proquest Dissertation and Theses Database from 2000-2013. We included primary research that evaluated the use of a social media tool, and targeted children, youth, or their families or caregivers. Quality assessment was conducted on all included analytic studies using tools specific to different quantitative designs. We identified 25 studies relevant to child health. The majority targeted adolescents (64%), evaluated social media for health promotion (52%), and used discussion forums (68%). Most often, social media was included as a component of a complex intervention (64%). Due to heterogeneity in conditions, tools, and outcomes, results were not pooled across studies. Attributes of social media perceived to be effective included its use as a distraction in younger children, and its ability to facilitate communication between peers among adolescents. While most authors presented positive conclusions about the social media tool being studied (80%), there is little high quality evidence of improved outcomes to support this claim. This comprehensive review demonstrates that social media is being used for a variety of conditions and purposes in child health. The findings provide a foundation from which clinicians and researchers can build in the future by identifying tools that have been developed, describing how they have been used, and isolating components that have been effective.

A systematic review of the use and effectiveness of social media in child health

PubMed Central

2014-01-01

Background Social media use is highly prevalent among children, youth, and their caregivers, and its use in healthcare is being explored. The objective of this study was to conduct a systematic review to determine: 1) for what purposes social media is being used in child health and its effectiveness; and 2) the attributes of social media tools that may explain how they are or are not effective. Methods We searched Medline, CENTRAL, ERIC, PubMed, CINAHL, Academic Search Complete, Alt Health Watch, Health Source, Communication and Mass Media Complete, Web of Knowledge, and Proquest Dissertation and Theses Database from 2000–2013. We included primary research that evaluated the use of a social media tool, and targeted children, youth, or their families or caregivers. Quality assessment was conducted on all included analytic studies using tools specific to different quantitative designs. Results We identified 25 studies relevant to child health. The majority targeted adolescents (64%), evaluated social media for health promotion (52%), and used discussion forums (68%). Most often, social media was included as a component of a complex intervention (64%). Due to heterogeneity in conditions, tools, and outcomes, results were not pooled across studies. Attributes of social media perceived to be effective included its use as a distraction in younger children, and its ability to facilitate communication between peers among adolescents. While most authors presented positive conclusions about the social media tool being studied (80%), there is little high quality evidence of improved outcomes to support this claim. Conclusions This comprehensive review demonstrates that social media is being used for a variety of conditions and purposes in child health. The findings provide a foundation from which clinicians and researchers can build in the future by identifying tools that have been developed, describing how they have been used, and isolating components that have been effective. PMID:24886048

Multimedia content analysis and indexing: evaluation of a distributed and scalable architecture

NASA Astrophysics Data System (ADS)

Mandviwala, Hasnain; Blackwell, Scott; Weikart, Chris; Van Thong, Jean-Manuel

2003-11-01

Multimedia search engines facilitate the retrieval of documents from large media content archives now available via intranets and the Internet. Over the past several years, many research projects have focused on algorithms for analyzing and indexing media content efficiently. However, special system architectures are required to process large amounts of content from real-time feeds or existing archives. Possible solutions include dedicated distributed architectures for analyzing content rapidly and for making it searchable. The system architecture we propose implements such an approach: a highly distributed and reconfigurable batch media content analyzer that can process media streams and static media repositories. Our distributed media analysis application handles media acquisition, content processing, and document indexing. This collection of modules is orchestrated by a task flow management component, exploiting data and pipeline parallelism in the application. A scheduler manages load balancing and prioritizes the different tasks. Workers implement application-specific modules that can be deployed on an arbitrary number of nodes running different operating systems. Each application module is exposed as a web service, implemented with industry-standard interoperable middleware components such as Microsoft ASP.NET and Sun J2EE. Our system architecture is the next generation system for the multimedia indexing application demonstrated by www.speechbot.com. It can process large volumes of audio recordings with minimal support and maintenance, while running on low-cost commodity hardware. The system has been evaluated on a server farm running concurrent content analysis processes.

Cell culture media impact on drug product solution stability.

PubMed

Purdie, Jennifer L; Kowle, Ronald L; Langland, Amie L; Patel, Chetan N; Ouyang, Anli; Olson, Donald J

2016-07-08

To enable subcutaneous administration of monoclonal antibodies, drug product solutions are often needed at high concentrations. A significant risk associated with high drug product concentrations is an increase in aggregate level over the shelf-life dating period. While much work has been done to understand the impact of drug product formulation on aggregation, there is limited understanding of the link between cell culture process conditions and soluble aggregate growth in drug product. During cell culture process development, soluble aggregates are often measured at harvest using cell-free material purified by Protein A chromatography. In the work reported here, cell culture media components were evaluated with respect to their impact on aggregate levels in high concentration solution drug product during accelerated stability studies. Two components, cysteine and ferric ammonium citrate, were found to impact aggregate growth rates in our current media (version 1) leading to the development of new chemically defined media and concentrated feed formulations. The new version of media and associated concentrated feeds (version 2) were evaluated across four cell lines producing recombinant IgG4 monoclonal antibodies and a bispecific antibody. In all four cell lines, the version 2 media reduced aggregate growth over the course of a 12 week accelerated stability study compared with the version 1 media, although the degree to which aggregate growth decreased was cell line dependent. © 2016 American Institute of Chemical Engineers Biotechnol. Prog., 32:998-1008, 2016. © 2016 American Institute of Chemical Engineers.

Seven Essential Elements for Creating Effective Children's Media to Promote Peacebuilding: Lessons from International Coproductions of Sesame Street and Other Children's Media Programs.

PubMed

Cole, Charlotte F; Lee, June H; Bucuvalas, Abigail; Sırali, Yasemin

2018-03-01

Children's media have the capacity to prepare young learners to develop the knowledge, attitudes, and skills they need to contribute to a more peaceful world. Research suggests international coproductions of Sesame Street and other children's media efforts are linked to positive impact on how viewers perceive themselves and their own cultures, as well as how they perceive others. Creating such media, however, relies on a commitment to a complex development process where the educational needs of children are considered alongside intra- and intergroup dynamics and political realities. This paper presents a practitioners' perspective on the essential components of children's media programs for peacebuilding and, in so doing, recommends a way forward for producing children's media in this domain. © 2018 Wiley Periodicals, Inc.

32 CFR 286.2 - DoD public information.

Code of Federal Regulations, 2011 CFR

2011-07-01

... information channels by news media representatives that would not be withheld if requested under the FOIA should be released upon request. Prompt responses to requests for information from news media.... Each DoD Component should explain the types of records that can be obtained through FOIA requests, why...

40 CFR 63.12005 - What definitions apply to this subpart?

Code of Federal Regulations, 2013 CFR

2013-07-01

... allowable working pressure of the process component. Conservation vents must be designed to open only when... constituents that approach the limits of solubility for scrubbing media, the highest or lowest HAP mass loading rate of constituents that approach limits of solubility for scrubbing media. Maximum true vapor...

40 CFR 63.12005 - What definitions apply to this subpart?

Code of Federal Regulations, 2014 CFR

2014-07-01

... allowable working pressure of the process component. Conservation vents must be designed to open only when... constituents that approach the limits of solubility for scrubbing media, the highest or lowest HAP mass loading rate of constituents that approach limits of solubility for scrubbing media. Maximum true vapor...

Identification of volatiles from waste larval rearing media that attract gravid screwworm flies to oviposit

USDA-ARS?s Scientific Manuscript database

The waste product of the artificial larval rearing media of the primary screwworm, Cochliomyia hominivorax, attracts gravid female screwworm flies to oviposit. The volatile component of this waste product was collected using solid phase microextraction techniques and subjected to gas chromatography-...

45 CFR 17.1 - Definition.

Code of Federal Regulations, 2013 CFR

2013-10-01

... 45 Public Welfare 1 2013-10-01 2013-10-01 false Definition. 17.1 Section 17.1 Public Welfare DEPARTMENT OF HEALTH AND HUMAN SERVICES GENERAL ADMINISTRATION RELEASE OF ADVERSE INFORMATION TO NEWS MEDIA... Department or any principal operating component made to the news media inviting public attention to an action...

45 CFR 17.1 - Definition.

Code of Federal Regulations, 2012 CFR

2012-10-01

... 45 Public Welfare 1 2012-10-01 2012-10-01 false Definition. 17.1 Section 17.1 Public Welfare DEPARTMENT OF HEALTH AND HUMAN SERVICES GENERAL ADMINISTRATION RELEASE OF ADVERSE INFORMATION TO NEWS MEDIA... Department or any principal operating component made to the news media inviting public attention to an action...

45 CFR 17.1 - Definition.

Code of Federal Regulations, 2010 CFR

2010-10-01

... 45 Public Welfare 1 2010-10-01 2010-10-01 false Definition. 17.1 Section 17.1 Public Welfare DEPARTMENT OF HEALTH AND HUMAN SERVICES GENERAL ADMINISTRATION RELEASE OF ADVERSE INFORMATION TO NEWS MEDIA... Department or any principal operating component made to the news media inviting public attention to an action...

45 CFR 17.1 - Definition.

Code of Federal Regulations, 2011 CFR

2011-10-01

... 45 Public Welfare 1 2011-10-01 2011-10-01 false Definition. 17.1 Section 17.1 Public Welfare DEPARTMENT OF HEALTH AND HUMAN SERVICES GENERAL ADMINISTRATION RELEASE OF ADVERSE INFORMATION TO NEWS MEDIA... Department or any principal operating component made to the news media inviting public attention to an action...

45 CFR 17.1 - Definition.

Code of Federal Regulations, 2014 CFR

2014-10-01

... 45 Public Welfare 1 2014-10-01 2014-10-01 false Definition. 17.1 Section 17.1 Public Welfare Department of Health and Human Services GENERAL ADMINISTRATION RELEASE OF ADVERSE INFORMATION TO NEWS MEDIA... Department or any principal operating component made to the news media inviting public attention to an action...

Teleconferencing Technology Facilitates Collaboration. Spotlight Feature

ERIC Educational Resources Information Center

Dopke-Wilson, MariRae

2006-01-01

Big, comprehensive projects involving multiple teachers, components, and electronic media can daunt the most ambitious educator. But for Library Media Specialist Bonnie French, big projects are no problem! A pioneer SOS database contributor, Bonnie can be aptly dubbed the "queen of collaboration." In this article, the author discusses how Bonnie…

Organic greenhouse soil media + supplemental fertilizer = better organic tomato transplants

USDA-ARS?s Scientific Manuscript database

Consumer perceptions that organic food tastes better and is healthier are two major factors driving the increasing demand for organically produced crops in the U.S. All components entering into the organic crop production system must be approved for organic use, including seed, soil media, and fert...

Group Trust, Communication Media, and Interactivity: Toward an Integrated Model of Online Collaborative Learning

ERIC Educational Resources Information Center

Du, Jianxia; Wang, Chuang; Zhou, Mingming; Xu, Jianzhong; Fan, Xitao; Lei, Saosan

2018-01-01

The present investigation examines the multidimensional relationships among several critical components in online collaborative learning, including group trust, communication media, and interactivity. Four hundred eleven university students from 103 groups in the United States responded survey items on online collaboration, interactivity,…

Condition for invariant spectrum of an electromagnetic wave scattered from an anisotropic random media.

PubMed

Li, Jia; Wu, Pinghui; Chang, Liping

2015-08-24

Within the accuracy of the first-order Born approximation, sufficient conditions are derived for the invariance of spectrum of an electromagnetic wave, which is generated by the scattering of an electromagnetic plane wave from an anisotropic random media. We show that the following restrictions on properties of incident fields and the anisotropic media must be simultaneously satisfied: 1) the elements of the dielectric susceptibility matrix of the media must obey the scaling law; 2) the spectral components of the incident field are proportional to each other; 3) the second moments of the elements of the dielectric susceptibility matrix of the media are inversely proportional to the frequency.

Two-component vector solitons in defocusing Kerr-type media with spatially modulated nonlinearity

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

Zhong, Wei-Ping, E-mail: zhongwp6@126.com; Texas A and M University at Qatar, P.O. Box 23874 Doha; Belić, Milivoj

2014-12-15

We present a class of exact solutions to the coupled (2+1)-dimensional nonlinear Schrödinger equation with spatially modulated nonlinearity and a special external potential, which describe the evolution of two-component vector solitons in defocusing Kerr-type media. We find a robust soliton solution, constructed with the help of Whittaker functions. For specific choices of the topological charge, the radial mode number and the modulation depth, the solitons may exist in various forms, such as the half-moon, necklace-ring, and sawtooth vortex-ring patterns. Our results show that the profile of such solitons can be effectively controlled by the topological charge, the radial mode number,more » and the modulation depth. - Highlights: • Two-component vector soliton clusters in defocusing Kerr-type media are reported. • These soliton clusters are constructed with the help of Whittaker functions. • The half-moon, necklace-ring and vortex-ring patterns are found. • The profile of these solitons can be effectively controlled by three soliton parameters.« less

A Framework for Enhancing Real-time Social Media Data to Improve Disaster Management Process

NASA Astrophysics Data System (ADS)

Attique Shah, Syed; Zafer Şeker, Dursun; Demirel, Hande

2018-05-01

Social Media datasets are playing a vital role to provide information that can support decision making in nearly all domains of technology. It is due to the fact that social media is a quick and economical approach for data collection from public through methods like crowdsourcing. It is already proved by existing research that in case of any disaster (natural or man-made) the information extracted from Social Media sites is very critical to Disaster Management Systems for response and reconstruction. This study comprises of two components, the first part proposes a framework that provides updated and filtered real time input data for the disaster management system through social media and the second part consists of a designed web user API for a structured and defined real time data input process. This study contributes to the discipline of design science for the information systems domain. The aim of this study is to propose a framework that can filter and organize data from the unstructured social media sources through recognized methods and to bring this retrieved data to the same level as that of taken through a structured and predefined mechanism of a web API. Both components are designed to a level such that they can potentially collaborate and produce updated information for a disaster management system to carry out accurate and effective.

Interactive Television: The State of the Industry.

ERIC Educational Resources Information Center

Galbreath, Jeremy

1996-01-01

Discusses interactive television in the context of the developing information superhighway. Topics include potential applications, including video on demand; telecommunications companies; digital media technologies; content; regulatory issues; the nature of technology users; origination components; distribution/infrastructure components;…

Genome Sequence of “Candidatus Mycoplasma haemolamae” Strain Purdue, a Red Blood Cell Pathogen of Alpacas (Vicugna pacos) and Llamas (Lama glama)

PubMed Central

Toth, Balazs; Santos, Andrea P.; do Nascimento, Naíla C.; Kritchevsky, Janice E.

2012-01-01

We report the complete genome sequence of “Candidatus Mycoplasma haemolamae,” an endemic red-cell pathogen of camelids. The single, circular chromosome has 756,845 bp, a 39.3% G+C content, and 925 coding sequences (CDSs). A great proportion (49.1%) of these CDSs are organized into paralogous gene families, which can now be further explored with regard to antigenic variation. PMID:23105057

A Workshop on the Integration of Numerical and Symbolic Computing Methods Held in Saratoga Springs, New York on July 9-11, 1990

DTIC Science & Technology

1991-04-01

SUMMARY OF COMPLETED PROJECT (for public use) The summary (about 200 words) must be self-contained and intellegible to a scientifically literate reader...dialogue among re- searchers in symbolic methods and numerical computation, and their appli- cations in certain disciplines of artificial intelligence...Lozano-Perez Purdue University Artificial Intelligence Laboratory West Lafayette, IN 47907 Massachusetts Institute of Technology (317) 494-6181 545

Contract W911NF-09-1-0384 (Purdue University)

DTIC Science & Technology

2012-10-27

spin system, Physical Review A , (02 2010): 22324. doi: 10.1103/PhysRevA.81.022324 08/31/2011 8.00 Sabre Kais, Anmer Daskin . Group leaders... a collection of information if it does not display a currently valid OMB control number. PLEASE DO NOT RETURN YOUR FORM TO THE ABOVE ADDRESS. a ...billions ) and developed new quantum algorithms to solve complex chemistry problems such as global optimization and excited states of molecules. ( a ) Papers

Genetic Variations in Mitochondria and Prostate Cancer Aggressiveness and Progression in Caucasian and African American Men

DTIC Science & Technology

2015-09-01

cancer, including renal cell carcinoma, non-Hodgkin lymphoma , breast cancer, esophageal adenocarcinoma, lung cancer, colorectal cancer, and...Bassig BA, Seow WJ, Hu W, Purdue MP, Huang WY, et al. Mitochondrial DNA copy number and chronic lymphocytic leukemia/small lymphocytic lymphoma risk...Mitochondrial DNA copy number and future risk of B-cell lymphoma in a nested case-control study in the prospective EPIC cohort. Blood. 2014;124(4):530-5

Low-Loss and Broadband Metamaterials for Negative Index and Transformational Optics Applications

DTIC Science & Technology

2012-05-22

the temporal electric field, multiplying by ǫ(ω), and then inverse Fourier transforming the result. The quantities ∂wE/∂t and ∂qE/∂t were formed...force occurs in a material with gain. Imaging and antenna opportunities are described for metal-insulator stack lenses, and analytic models are...and Transformational Optics Applications Award Number: W911NF-10-1-0492 Kevin J. Webb School of Electrical and Computer Engineering Purdue University

Super Hydrides.

DTIC Science & Technology

1988-03-01

enantioselective synthesis Of the clinically important anti-depressants, (-)Tomoxetine, Fluoxetine (Prozac, Eli Lilly), and Nisoxetine (Scheme 1 ). Schem I a I...Scheme 1 . Another salient feature of this synthesis is that it correlated for the first time the absolute configuration of the enantiomers of...RD-RI93 710 SUPER HYDRIDES(U) PURDUE UNIV LRFRYETTE IN H C BROWN 1 / 1 NAR 88 RRO-22302.2-CN DAR29-05-K-1662 UNCLSSIFIED F/G 7/3 NI. t2S 16, L,. 10 3

Very-high-Reynolds-number vortex dynamics via Coherent-vorticity-Preserving (CvP) Large-eddy simulations

NASA Astrophysics Data System (ADS)

Chapelier, Jean-Baptiste; Wasistho, Bono; Scalo, Carlo

2017-11-01

A new approach to Large-Eddy Simulation (LES) is introduced, where subgrid-scale (SGS) dissipation is applied proportionally to the degree of local spectral broadening, hence mitigated in regions dominated by large-scale vortical motion. The proposed CvP-LES methodology is based on the evaluation of the ratio of the test-filtered to resolved (or grid-filtered) enstrophy: σ = ξ ∧ / ξ . Values of σ = 1 indicate low sub-test-filter turbulent activity, justifying local deactivation of any subgrid-scale model. Values of σ < 1 span conditions ranging from incipient spectral broadening σ <= 1 , to equilibrium turbulence σ =σeq < 1 , where σeq is solely as a function of the test-to-grid filter-width ratio Δ ∧ / Δ , derived assuming a Kolmogorov's spectrum. Eddy viscosity is fully restored for σ <=σeq . The proposed approach removes unnecessary SGS dissipation, can be applied to any eddy-viscosity model, is algorithmically simple and computationally inexpensive. A CvP-LES of a pair of unstable helical vortices, representative of rotor-blade wake dynamics, show the ability of the method to sort the coherent motion from the small-scale dynamics. This work is funded by subcontract KSC-17-001 between Purdue University and Kord Technologies, Inc (Huntsville), under the US Navy Contract N68335-17-C-0159 STTR-Phase II, Purdue Proposal No. 00065007, Topic N15A-T002.

A convex optimization approach for identification of human tissue-specific interactomes.

PubMed

Mohammadi, Shahin; Grama, Ananth

2016-06-15

Analysis of organism-specific interactomes has yielded novel insights into cellular function and coordination, understanding of pathology, and identification of markers and drug targets. Genes, however, can exhibit varying levels of cell type specificity in their expression, and their coordinated expression manifests in tissue-specific function and pathology. Tissue-specific/tissue-selective interaction mechanisms have significant applications in drug discovery, as they are more likely to reveal drug targets. Furthermore, tissue-specific transcription factors (tsTFs) are significantly implicated in human disease, including cancers. Finally, disease genes and protein complexes have the tendency to be differentially expressed in tissues in which defects cause pathology. These observations motivate the construction of refined tissue-specific interactomes from organism-specific interactomes. We present a novel technique for constructing human tissue-specific interactomes. Using a variety of validation tests (Edge Set Enrichment Analysis, Gene Ontology Enrichment, Disease-Gene Subnetwork Compactness), we show that our proposed approach significantly outperforms state-of-the-art techniques. Finally, using case studies of Alzheimer's and Parkinson's diseases, we show that tissue-specific interactomes derived from our study can be used to construct pathways implicated in pathology and demonstrate the use of these pathways in identifying novel targets. http://www.cs.purdue.edu/homes/mohammas/projects/ActPro.html mohammadi@purdue.edu. © The Author 2016. Published by Oxford University Press.

Optimization of Focusing by Strip and Pixel Arrays

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

Burke, G J; White, D A; Thompson, C A

Professor Kevin Webb and students at Purdue University have demonstrated the design of conducting strip and pixel arrays for focusing electromagnetic waves [1, 2]. Their key point was to design structures to focus waves in the near field using full wave modeling and optimization methods for design. Their designs included arrays of conducting strips optimized with a downhill search algorithm and arrays of conducting and dielectric pixels optimized with the iterative direct binary search method. They used a finite element code for modeling. This report documents our attempts to duplicate and verify their results. We have modeled 2D conducting stripsmore » and both conducting and dielectric pixel arrays with moment method and FDTD codes to compare with Webb's results. New designs for strip arrays were developed with optimization by the downhill simplex method with simulated annealing. Strip arrays were optimized to focus an incident plane wave at a point or at two separated points and to switch between focusing points with a change in frequency. We also tried putting a line current source at the focus point for the plane wave to see how it would work as a directive antenna. We have not tried optimizing the conducting or dielectric pixel arrays, but modeled the structures designed by Webb with the moment method and FDTD to compare with the Purdue results.« less

Neil Armstrong in the 9-by 15-Foot Low Speed Wind Tunnel

NASA Image and Video Library

1970-02-21

Astronaut Neil Armstrong examines a Vertical and Short Takeoff and Landing test setup in the 9- by 15-Foot Low Speed Wind Tunnel at the National Aeronautics and Space Administration (NASA) Lewis Research Center. Armstrong spent February 6, 1970 at Lewis attending technical meetings and touring some facilities. Just six months after Armstrong had returned from the moon looming agency budget cuts were already a concern in his comments. He noted that NASA had to “find a balanced approach…and [make] aggressive use of available facilities.” Armstrong spent four months at the center as a research pilot in 1955. Armstrong had served as a Navy pilot during the Korean War then earned a degree in aeronautical engineering at Purdue University. He was recruited by Lewis while at Purdue and began at the center shortly after graduation. During his brief tenure in Cleveland Armstrong served as both a test pilot and research engineer, primarily involved with icing research. In his role as research pilot Armstrong also flew a North American F-82 Twin Mustang over the ocean near Wallops Island to launch small instrumented rockets from high altitudes down into the atmosphere to obtain high Mach numbers. After four months in Cleveland a position opened up at what is today the Dryden Flight Research Center. Armstrong’s career in Cleveland officially ended on June 30, 1955.

Chargeability measurements of selected pharmaceutical dry powders to assess their electrostatic charge control capabilities.

PubMed

Ramirez-Dorronsoro, Juan-Carlos; Jacko, Robert B; Kildsig, Dane O

2006-01-01

The purpose of this study was to develop an instrument (the Purdue instrument) and the corresponding methodologies to measure the electrostatic charge development (chargeability) of dry powders when they are in dynamic contact with stainless steel surfaces. The system used an inductive noncontact sensor located inside an aluminum Faraday cage and was optimized to measure the charging capabilities of a fixed volume of powder (0.5 cc). The chargeability of 5,5-diphenyl-hydantoin, calcium sulfate dihydrate, cimetidine, 3 grades of colloidal silicon dioxide, magnesium stearate, 4 grades of microcrystalline cellulose, salicylic acid, sodium carbonate, sodium salicylate, spray-dried lactose, and sulfinpyrazone were tested at 4 linear velocities, and the particle size distribution effect was assessed for 3 different grades of colloidal silicon dioxide and 4 different grades of microcrystalline cellulose. The chargeability values exhibited a linear relationship for the range of velocities studied, with colloidal silicon dioxide exhibiting the maximum negative chargeability and with spray-dried lactose being the only compound to exhibit positive chargeability. The instrument sensitivity was improved by a factor of 2 over the first generation version, and the electrostatic charge measurements were reproducible with relative standard deviations ranging from nondetectable to 33.7% (minimum of 3 replicates). These results demonstrate the feasibility of using the Purdue instrument to measure the electrostatic charge control capabilities of pharmaceutical dry powders with a reasonable level of precision.

Boundary-Layer Instability Measurements in a Mach-6 Quiet Tunnel

NASA Technical Reports Server (NTRS)

Berridge, Dennis C.; Ward, Christopher, A. C.; Luersen, Ryan P. K.; Chou, Amanda; Abney, Andrew D.; Schneider, Steven P.

2012-01-01

Several experiments have been performed in the Boeing/AFOSR Mach-6 Quiet Tunnel at Purdue University. A 7 degree half angle cone at 6 degree angle of attack with temperature-sensitive paint (TSP) and PCB pressure transducers was tested under quiet flow. The stationary crossflow vortices appear to break down to turbulence near the lee ray for sufficiently high Reynolds numbers. Attempts to use roughness elements to control the spacing of hot streaks on a flared cone in quiet flow did not succeed. Roughness was observed to damp the second-mode waves in areas influenced by the roughness, and wide roughness spacing allowed hot streaks to form between the roughness elements. A forward-facing cavity was used for proof-of-concept studies for a laser perturber. The lowest density at which the freestream laser perturbations could be detected was 1.07 x 10(exp -2) kilograms per cubic meter. Experiments were conducted to determine the transition characteristics of a streamwise corner flow at hypersonic velocities. Quiet flow resulted in a delayed onset of hot streak spreading. Under low Reynolds number flow hot streak spreading did not occur along the model. A new shock tube has been built at Purdue. The shock tube is designed to create weak shocks suitable for calibrating sensors, particularly PCB-132 sensors. PCB-132 measurements in another shock tube show the shock response and a linear calibration over a moderate pressure range.

Final Technical Report for Years 1-4 of the Early Career Research Project "Viscosity and equation of state of hot and dense QCD matter" - ARRA portion

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

Molnar, Denes

2014-04-14

The Section below summarizes research activities and achievements during the first four years of the PI’s Early Career Research Project (ECRP). Two main areas have been advanced: i) radiative 3 ↔ 2 radiative transport, via development of a new computer code MPC/Grid that solves the Boltzmann transport equation in full 6+1D (3X+3V+time) on both single-CPU and parallel computers; ii) development of a self-consistent framework to convert viscous fluids to particles, and application of this framework to relativistic heavy-ion collisions, in particular, determination of the shear viscosity. Year 5 of the ECRP is under a separate award number, and therefore itmore » has its own report document ’Final Technical Report for Year 5 of the Early Career Research Project “Viscosity and equation of state of hot and dense QCDmatter”’ (award DE-SC0008028). The PI’s group was also part of the DOE JET Topical Collaboration, a multi-institution project that overlapped in time significantly with the ECRP. Purdue achievements as part of the JET Topical Collaboration are in a separate report “Final Technical Report summarizing Purdue research activities as part of the DOE JET Topical Collaboration” (award DE-SC0004077).« less

Transcranial direct current stimulation to primary motor area improves hand dexterity and selective attention in chronic stroke.

PubMed

Au-Yeung, Stephanie S Y; Wang, Juliana; Chen, Ye; Chua, Eldrich

2014-12-01

The aim of this study was to determine whether transcranial direct current stimulation (tDCS) applied to the primary motor hand area modulates hand dexterity and selective attention after stroke. This study was a double-blind, placebo-controlled, randomized crossover trial involving subjects with chronic stroke. Ten stroke survivors with some pinch strength in the paretic hand received three different tDCS interventions assigned in random order in separate sessions-anodal tDCS targeting the primary motor area of the lesioned hemisphere (M1lesioned), cathodal tDCS applied to the contralateral hemisphere (M1nonlesioned), and sham tDCS-each for 20 mins. The primary outcome measures were Purdue pegboard test scores for hand dexterity and response time in the color-word Stroop test for selective attention. Pinch strength of the paretic hand was the secondary outcome. Cathodal tDCS to M1nonlesioned significantly improved affected hand dexterity (by 1.1 points on the Purdue pegboard unimanual test, P = 0.014) and selective attention (0.6 secs faster response time on the level 3 Stroop interference test for response inhibition, P = 0.017), but not pinch strength. The outcomes were not improved with anodal tDCS to M1lesioned or sham tDCS. Twenty minutes of cathodal tDCS to M1nonlesioned can promote both paretic hand dexterity and selective attention in people with chronic stroke.

Higher fasting plasma glucose is associated with smaller striatal volume and poorer fine motor skills in a longitudinal cohort.

PubMed

Zhang, Tianqi; Shaw, Marnie E; Walsh, Erin I; Sachdev, Perminder S; Anstey, Kaarin J; Cherbuin, Nicolas

2018-06-07

Previous studies have demonstrated associations between higher blood glucose and brain atrophy and functional deficits, however, little is known about the association between blood glucose, striatal volume and striatal function despite sensori-motor deficits being reported in diabetes. This study investigated the relationship between blood glucose levels, striatal volume and fine motor skills in a longitudinal cohort of cognitively healthy individuals living in the community with normal or impaired fasting glucose or type 2 diabetes. Participants were 271 cognitively healthy individuals (mean age 63 years at inclusion) with normal fasting glucose levels (<5.6 mmol/L) (n=173), impaired fasting glucose (5.6-6.9 mmol/L) (n=57), or with type 2 diabetes (≥7.0 mmol/L) (n=41). Fasting glucose, Purdue Pegboard scores as measurement of fine motor skills, and brain scans were collected at wave 1, 2 and 4, over a total follow-up of twelve years. Striatal volumes were measured using FreeSurfer after controlling for age, sex and intracranial volume. Results showed that type 2 diabetes was associated with smaller right putamen volume and lower Purdue Pegboard scores after controlling for age, sex and intracranial volume. These findings add to the evidence suggesting that higher blood glucose levels, especially type 2 diabetes, may impair brain structure and function. Copyright © 2018. Published by Elsevier B.V.

Particle Swarm Transport across the Fracture-Matrix Interface

NASA Astrophysics Data System (ADS)

Malenda, M. G.; Pyrak-Nolte, L. J.

2016-12-01

A fundamental understanding of particle transport is required for many diverse applications such as effective proppant injection, for deployment of subsurface imaging micro-particles, and for removal of particulate contaminants from subsurface water systems. One method of particulate transport is the use of particle swarms that act as coherent entities. Previous work found that particle swarms travel farther and faster in single fractures than individual particles when compared to dispersions and emulsions. In this study, gravity-driven experiments were performed to characterize swarm transport across the fracture-matrix interface. Synthetic porous media with a horizontal fracture were created from layers of square-packed 3D printed (PMMA) spherical grains (12 mm diameter). The minimum fracture aperture ranged from 0 - 10 mm. Swarms (5 and 25 µL) were composed of 3.2 micron diameter fluorescent polystryene beads (1-2% by mass). Swarms were released into a fractured porous medium that was submerged in water and was illuminated with a green (528 nm) LED array. Descending swarms were imaged with a CCD camera (2 fps). Whether an intact swarm was transported across a fracture depended on the volume of the swarm, the aperture of the fracture, and the alignment of pores on the two fracture walls. Large aperture fractures caused significant deceleration of a swarm because the swarm was free to expand laterally in the fracture. Swarms tended to remain intact when the pores on the two fracture walls were vertically aligned and traveled in the lower porous medium with speeds that were 30%-50% of their original speed in the upper matrix. When the pores on opposing walls were no longer aligned, swarms were observed to bifurcate around the grain into two smaller slower-moving swarms. Understanding the physics of particle swarms in fractured porous media has important implications for enhancing target particulate injection into the subsurface as well as for contaminant particulate transport. Acknowledgment: This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Geosciences Research Program under Award Number (DE-FG02-09ER16022) and by National Science Foundation REU program under Award Number (PHY-1460899) at Purdue University.

Digital media and sexually transmitted infections.

PubMed

Gilliam, Melissa; Chor, Julie; Hill, Brandon

2014-10-01

Digital media, including the Internet, social networking sites, text messaging, and mobile applications, are ubiquitous among adolescents and young adults. These platforms enable users to obtain important information on a multitude of health topics, they may facilitate risk-taking behaviors, and they can be key components of health interventions. The purpose of this article is to review the recent literature on digital media and sexually transmitted infections, discussing their role in potentiating and reducing risk. This review demonstrates adolescents' use of digital media to gather information on health topics and discusses significant privacy concerns regarding using media to explore sexual health information. Although several studies demonstrate an association between social media and increased sexual risk-taking behaviors, this relationship is not fully understood. Digital media-based interventions are increasingly being developed to either reduce risk or improve management of sexually transmitted infections. As greater numbers of adolescents use digital media, the potential for these platforms to influence sexual risk-taking behaviors is significant. Additional research is needed to better understand the impact of digital media on sexually transmitted infection risk and to develop social media-based interventions to improve sexually transmitted infection outcomes.

An Effectiveness Index and Profile for Instructional Media.

ERIC Educational Resources Information Center

Bond, Jack H.

A scale was developed for judging the relative value of various media in teaching children. Posttest scores were partitioned into several components: error, prior knowledge, guessing, and gain from the learning exercise. By estimating the amounts of prior knowledge, guessing, and error, and then subtracting these from the total score, an index of…

A Quantitative Description of FBI Public Relations.

ERIC Educational Resources Information Center

Gibson, Dirk C.

1997-01-01

States that the Federal Bureau of Investigation (FBI) had the most successful media relations program of all government agencies from the 1930s to the 1980s. Uses quantitative analysis to show why those media efforts were successful. Identifies themes that typified the verbal component of FBI publicity and the broad spectrum of mass communication…

Collection and Collaboration: Science in Michigan Middle School Media Centers

ERIC Educational Resources Information Center

Mardis, Marcia; Hoffman, Ellen

2007-01-01

In many ways, science classrooms and school library media centers are parallel universes struggling with their own reform issues and with documenting their own positive impacts. As the trend toward data-driven decisions grows in the school setting, it is increasingly important for every component of the learning environment to have demonstrable…

Rethinking the relationship between medicine and media: two examples from Croatia.

PubMed

Jergović, Blanka

2004-08-01

The communication between medicine and media is an important component within the complex process of changes in post-communist transition countries. It reflects not only organizational and legislative state of the society but its cultural adaptability and character. In that respect, media communication could be a tool for shifting the existing attitudes to innovative evaluation of physician's responsibility. Adapting to the democratic society necessitates more effective communication and improvement of all components of communication process: medicine, media, and the public sphere. Existing communication strategies in Croatia were recognized as inefficient and proved damaging for the health care system and society in general. As a demonstration, two representative examples were analyzed in this paper: the case of deaths related to Baxter dialyzers, and the case of pediatric cardiac surgery at the Zagreb University Hospital Center. The cases illustrate the lack of communication within the medical profession and physicians with the executive government, and the public. There is a great need for more effective communication and skillful professionals in transition countries. The future concept of the communication should be characterized by contextual and "cross-talk' approach.

Increasing evidence for the efficacy of tobacco control mass media communication programming in low- and middle-income countries.

PubMed

Mullin, Sandra; Prasad, Vinayak; Kaur, Jagdish; Turk, Tahir

2011-08-01

Antitobacco mass media campaigns have had good success at changing knowledge, attitudes, and behaviors with respect to smoking in high-income countries provided they are sustained. Mass media campaigns should be a critical component of tobacco control programs in low- and lower-middle-income countries. Mounting evidence shows that graphic campaigns and those that evoke negative emotions run over long periods of time have achieved the most influence. These types of campaigns are now being implemented in low- and middle-income countries. The authors provide 3 case studies of first-ever graphic warning mass media campaigns in China, India, and Russia, 3 priority high-burden countries in the global Bloomberg Initiative to Reduce Tobacco Use. In each of these countries, message testing of core messages provided confidence in messages, and evaluations demonstrated message uptake. The authors argue that given the initial success of these campaigns, governments in low- and middle-income countries should consider resourcing and sustaining these interventions as key components of their tobacco control strategies and programs.

[Analysis of the role of various components of culture media during the proliferation of mouse neuroblastoma NIE-115 cells].

PubMed

Aslanidi, K B; Miakisheva, S N

2010-01-01

The values of the parameters of serum-free media (concentration of Na+, amino acids, and carbohydrates, as well as the pH values) have been determined at which the rate of the differentiation of neuroblastoma cells is minimal, and the rate of proliferation is maximal. It was shown that media inducing the differentiation of 70% of cells during the cell cycle provide the maximal time of survival of differentiated cells.

Novel Functionally Graded Thermal Barrier Coatings in Coal-Fired Power Plant Turbines

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

Zhang, Jing

This project presents a detailed investigation of a novel functionally graded coating material, pyrochlore oxide, for thermal barrier coating (TBC) in gas turbines used in coal-fired power plants. Thermal barrier coatings are refractory materials deposited on gas turbine components, which provide thermal protection for metallic components at operating conditions. The ultimate goal of this research is to develop a manufacturing process to produce the novel low thermal conductivity and high thermal stability pyrochlore oxide based coatings with improved high-temperature durability. The current standard TBC, yttria stabilized zirconia (YSZ), has service temperatures limited to <1200°C, due to sintering and phase transitionmore » at higher temperatures. In contrast, pyrochlore oxide, e.g., lanthanum zirconate (La 2Zr 2O 7, LZ), has demonstrated lower thermal conductivity and better thermal stability, which are crucial to high temperature applications, such as gas turbines used in coal-fired power plants. Indiana University – Purdue University Indianapolis (IUPUI) has collaborated with Praxair Surface Technologies (PST), and Changwon National University in South Korea to perform the proposed research. The research findings are critical to the extension of current TBCs to a broader range of high-temperature materials and applications. Several tasks were originally proposed and accomplished, with additional new opportunities identified during the course of the project. In this report, a description of the project tasks, the main findings and conclusions are given. A list of publications and presentations resulted from this research is listed in the Appendix at the end of the report.« less

In Vitro Cytocompatibility of One- and Two-Dimensional Nanostructure-Reinforced Biodegradable Polymeric Nanocomposites

PubMed Central

Farshid, Behzad; Lalwani, Gaurav; Sitharaman, Balaji

2015-01-01

This study investigates the in vitro cytocompatibility of one- and two-dimensional (1-D and 2-D) carbon and inorganic nanomaterial reinforced polymeric nanocomposites fabricated using biodegradable polymer poly (propylene fumarate), crosslinking agent N-vinyl pyrrolidone (NVP) and following nanomaterials: single- and multi- walled carbon nanotubes, single- and multi- walled graphene oxide nanoribbons, graphene oxide nanoplatelets, molybdenum disulfide nanoplatelets, or tungsten disulfide nanotubes dispersed between 0.02–0.2 wt% concentrations in the polymer. The extraction media of unreacted components, crosslinked nanocomposites and their degradation products between 1X-100X dilutions were examined for effects on viability and attachment employing two cell lines: NIH3T3 fibroblasts and MC3T3 pre-osteoblasts. The extraction media of unreacted PPF/NVP elicited acute dose-dependent cytotoxicity attributed to leaching of unreacted components into cell culture media. However, extraction media of crosslinked nanocomposites showed no dose dependent adverse effects. Further, all crosslinked nanocomposites showed high viability (78–100%), high cellular attachment (40–55%), and spreading that was confirmed by confocal and scanning electron microscopy. Degradation products of nanocomposites showed a mild dose-dependent cytotoxicity possibly due to acidic degradation components of PPF. In general, compared to PPF control, none of the nanocomposites showed significant differences in cellular response to the unreacted components, crosslinked nanocomposites and their degradation products. The initial minor cytotoxic response and lower cell attachment numbers were observed only for a few nanocomposite groups; these effects were absent at later time points for all PPF nanocomposites. The favorable cytocompatibility results for all the nanocomposites opens avenues for in vivo safety and efficacy studies for bone tissue engineering applications. PMID:25367032

NHTSA data reference guide version 4. Volume 3, component tests

DOT National Transportation Integrated Search

1997-04-01

This guide documents the format of magnetic media (3.5 inch high density diskettes) to be submitted : to the National Highway Traffic Safety Administration (NHTSA) for component tests. This guide is : designated Volume III. NHTSA Data Reference Guide...

Cryo-STEM-EDX spectroscopy for the characterisation of nanoparticles in cell culture media

NASA Astrophysics Data System (ADS)

Ilett, M.; Bamiduro, F.; Matar, O.; Brown, A.; Brydson, R.; Hondow, N.

2017-09-01

We present a study of barium titanate nanoparticles dispersed in cell culture media. Scanning transmission electron microscopy combined with energy dispersive X-ray spectroscopy was undertaken on samples prepared using both conventional drop casting and also plunge freezing and examination under cryogenic conditions. This showed that drying artefacts occurred during conventional sample preparation, whereby some salt components of the cell culture media accumulated around the barium titanate nanoparticles; these were removed using the cryogenic route. Importantly, the formation of a calcium and phosphorus rich coating around the barium titanate nanoparticles was retained under cryo-conditions, highlighting that significant interactions do occur between nanomaterials and biological media.

Elementary metallography

NASA Technical Reports Server (NTRS)

Kazem, Sayyed M.

1992-01-01

Materials and Processes 1 (MET 141) is offered to freshmen by the Mechanical Engineering Department at Purdue University. The goal of MET 141 is to broaden the technical background of students who have not had any college science courses. Hence, applied physics, chemistry, and mathematics are included and quantitative problem solving is involved. In the elementary metallography experiment of this course, the objectives are: (1) introduce the vocabulary and establish outlook; (2) make qualitative observations and quantitative measurements; (3) demonstrate the proper use of equipment; and (4) review basic mathematics and science.

Proceedings: International Conference on Fixed-Film Biological Processes (1st) Held at Kings Island, Ohio on 20-23 April 1982. Volume I,

DTIC Science & Technology

1982-01-01

Chian "Anaerobic Treatment of Landfill Leachate by an Upflow Two - Stage Biological Filter".................. 1495 Yeun C. Wu, John C. Kennedy, and Ed...Wastes," Proceedings of the 14th Purdue Industrial Waste Conference, (Ma% 1959). 10. Bryan, Edward It., " Two - Stage Biological Treatment - Indust- rial...second stage compartments two weeks after shut-down of the first stage contactor. This arrangement would permit fluxing the wastewaters in a common

A CLIPS expert system for maximizing alfalfa (Medicago Sativa L.) production

NASA Technical Reports Server (NTRS)

Engel, B. A.; Jones, D. D.; Rhykerd, R. L.; Rhykerd, L. M.; Rhykerd, C. L., Jr.; Rhykerd, C. L.

1990-01-01

An alfalfa management expert system originally developed by Purdue University agricultural scientists on the PC Plus expert system shell from Texas Instrument has been updated and successfully converted to CLIPS (C Language Integrated Production System). This reduces the cost and legal restrictions associated with making the expert system available to agribusiness industries, extension personnel and farm managers and operators. The expert system includes recommendations concerning soil drainage, liming, P and K fertilization, weed control, variety selection and seeding rate including pure live seeds.

The design and instrumentation of the Purdue annular cascade facility with initial data acquisition and analysis

NASA Technical Reports Server (NTRS)

Stauter, R. C.; Fleeter, S.

1982-01-01

Three dimensional aerodynamic data, required to validate and/or indicate necessary refinements to inviscid and viscous analyses of the flow through turbomachine blade rows, are discussed. Instrumentation and capabilities for pressure measurement, probe insertion and traversing, and flow visualization are reviewed. Advanced measurement techniques including Laser Doppler Anemometers, are considered. Data processing is reviewed. Predictions were correlated with the experimental data. A flow visualization technique using helium filled soap bubbles was demonstrated.

A collaboration of labs: The Institute for Atom-Efficient Chemical Transformations (IACT)

ScienceCinema

Lobo, Rodrigo; Marshall, Chris; Cheng, Lei; Stair, Peter; Wu, Tianpan; Ray, Natalie; O'Neil, Brandon; Dietrich, Paul

2018-06-08

The Institute for Atom-Efficient Chemical Transformations (IACT) is an Energy Frontier Research Center funded by the U.S. Department of Energy. IACT focuses on advancing the science of catalysis to improve the efficiency of producing fuels from biomass and coal. IACT is a collaborative effort that brings together a diverse team of scientists from Argonne National Laboratory, Brookhaven National Laboratory, Northwestern University, Purdue University and the University of Wisconsin. For more information, visit www.iact.anl.gov

A Study of the Geographic Origin, Education, and Experience of Hotel General Managers. RHI 590 Individual Project

DTIC Science & Technology

1993-04-01

Chicago Hilton and Towers. Among the four-star properties are those of Ritz - Carlton , Nikko, Four Seasons, and other famous properties such as the famed...COVERED April 1993 THESIS/D O_ _ 4. TITLE AND SUBTITLE 5. FUNDING NUMBERS A Study of the Geographic Origin, Education, and Experience of Hotel General...GEOGRAPHIC ORIGIN, EDUCATION, AND EXPERIENCE OF HOTEL GENERAL MANAGERS RHI 590 INDIVIDUAL PROJECT BY: Alan Christopher Gnann April 30, 1993 PURDUE UNIVERSITY

Students Help a Teacher Called to Active Duty: What a Great Feeling to Have a Group of Students Who Are Excited and Want to Help a Teacher in Need so Many Miles from Home

ERIC Educational Resources Information Center

Yuill, Ron

2005-01-01

The author shares how his technology education students at Tecumseh Middle School help his former student from a Purdue class, Ryan Smith, who was called to active military duty. Ryan was teaching technology education at Lafayette Jefferson High School when he was called by the military in the fall of 2004 to report to active duty. Before…

Necropsy and histopathologic findings in 14 African hedgehogs (Atelerix albiventris): a retrospective study.

PubMed

Raymond, J T; White, M R

1999-06-01

From fiscal years 1992 through 1996, 14 African hedgehog (Atelerix albiventris) cases were submitted to the Animal Disease Diagnostic Laboratory at Purdue University. The most common diagnoses were splenic extramedullary hematopoiesis (91%), hepatic lipidosis (50%), renal disease (50%), and neoplastic disease (29%). Other less frequent necropsy findings were myocarditis (21%), colitis (14%), bacterial septicemia (14%), and pneumonia (14%). The data indicate that splenic extramedullary hematopoiesis, hepatic lipidosis, renal disease, and neoplasms are frequent postmortem findings in hedgehogs.

Social Media Awareness and Implications in Nursing Leadership.

PubMed

Burton, Candace W; McLemore, Monica R; Perry, Laura; Carrick, Jenny; Shattell, Mona

2016-11-01

Many nursing professionals-may be reluctant to engage in or are confused about appropriate use of social media in a clinical, research, or policy context. To address this issue, we developed a study to enhance nurse leaders' facility with social media in the context of a national professional meeting. This study examined a social media campaign at the 2015 American Academy of Nursing conference. The campaign was intended to bridge the gap between active social media users and nonusers attending the conference. Following a targeted social media campaign at the American Academy of Nursing 2015 Transforming Health, Driving Policy Conference, responses to the conference evaluation questions about social media were reviewed and analyzed. Overall, evaluations were positive about the campaign; however, some conference attendees were not aware of its various components. Despite perceived barriers to its use, there is significant curiosity about social media use among nurse leaders. With the engagement of these leaders, there may be opportunities to enhance social media use at professional meetings and to make broader use of this valuable tool throughout the nursing profession.

A modified culture method significantly improves the development of mouse somatic cell nuclear transfer embryos.

PubMed

Dai, Xiangpeng; Hao, Jie; Zhou, Qi

2009-08-01

Many strategies have been established to improve the efficiency of somatic cell nuclear transfer (SCNT), but relatively few focused on improving culture conditions. The effect of different culture media on preimplantation development of mouse nuclear transfer embryos was investigated. A modified sequential media method, named D media (M16/KSOM and CZB-EG/KSOM), was successfully established that significantly improves SCNT embryo development. Our result demonstrated that while lacking any adverse effect on in vivo fertilized embryos, the D media dramatically improves the blastocyst development of SCNT embryos compared with other commonly used media, including KSOM, M16, CZB, and alphaMEM. Specifically, the rate of blastocyst formation was 62.3% for D1 (M16/KSOM) versus 10-30% for the other media. An analysis of media components indicated that removing EDTA and glutamine from the media can be beneficial for early SCNT embryo development. Our results suggest that in vitro culture environment plays an important role in somatic cell reprogramming, and D media represent the most efficient culture method reported to date to support mouse SCNT early embryo development in vitro.

Use of social media and e-Government in disasters: 2016 Louisiana floods case study.

PubMed

Bosch, Daniel

The case study analyzes the use of social media as a component of disaster response during and after the Louisiana Floods of August 2016. The study analyzes the survey responses of thirty social media users on a series of questions regarding social networks they regularly used during the flooding events, the extent to which users contacted government agencies via those networks, other uses of social media connected with the disaster, and whether social media served as a primary means of communication during cell carrier service interruptions. The results of this study show that there was a correlation between service disruption and increased use of social media as a means of communication. Additionally, the survey showed that social media networks have been utilized for a wide range of purposes during disasters, including locating family and loved ones, requesting help, disseminating information, and psychosocial interaction. Finally, a majority of respondents did not use social media to contact government agencies, and a number of respondents rated federal government engagement through social media as either dissatisfactory or were neutral on the question.

Cost Study of Educational Media Systems and Their Equipment Components. Volume II, Technical Report. Final Report.

ERIC Educational Resources Information Center

General Learning Corp., Washington, DC.

A common instructional task and a set of educational environments are hypothesized for analysis of media cost data. The analytic structure may be conceptulized as a three-dimensional matrix: the first vector separates costs into production, distribution, and reception; the second vector delineates capital (initial) and operating (annual) costs;…

Cost Study of Educational Media Systems and Their Equipment Components. Volume I, Guidelines for Determining Costs of Media Systems. Final Report.

ERIC Educational Resources Information Center

General Learning Corp., Washington, DC.

Objective cost estimates for planning and operating systems should be made after an assessment of administrative factors (school environment) and instructional factors (learning objectives, type of presentation). Specification of appropriate sensory stimuli and the design of alternative systems also precede cost estimations for production,…

Decreasing informal caregiver burden with social media.

PubMed

Watkins, Tammi

2014-05-01

In 2008, there were 44 million informal family caregivers and the number is expected to rise in the next decade. Hospice clinicians need to explore ways to decrease the burden of care for these informal caregivers. The use of electronic technology and social media may be a key component in improving support at end of life in the home setting.

78 FR 55292 - Certain Optical Disc Drives, Components Thereof, and Products Containing the Same; Notice of...

Federal Register 2010, 2011, 2012, 2013, 2014

2013-09-10

...; Toshiba America Information Systems, Inc. of CA; MediaTek, Inc. of Taiwan; and MediaTek USA Inc. of CA... FURTHER INFORMATION CONTACT: Lisa R. Barton, Acting Secretary to the Commission, U.S. International Trade... complaint can be accessed on the Commission's Electronic Document Information System (EDIS) at EDIS \\1\\, and...

Integration of Study Abroad with Social Media Technologies and Decision-Making Applications

ERIC Educational Resources Information Center

Deans, P. Candace

2012-01-01

This article describes the design and delivery of a program, "Global Business in a Digital World." The program integrates the use of social media technologies and business applications in a series of courses that include short-term study abroad components that focus on emerging markets. The objectives are to: (1) provide additional…

The Adverse Drug Reactions from Patient Reports in Social Media Project: Five Major Challenges to Overcome to Operationalize Analysis and Efficiently Support Pharmacovigilance Process

PubMed Central

Dahamna, Badisse; Guillemin-Lanne, Sylvie; Darmoni, Stefan J; Faviez, Carole; Huot, Charles; Katsahian, Sandrine; Leroux, Vincent; Pereira, Suzanne; Richard, Christophe; Schück, Stéphane; Souvignet, Julien; Lillo-Le Louët, Agnès; Texier, Nathalie

2017-01-01

Background Adverse drug reactions (ADRs) are an important cause of morbidity and mortality. Classical Pharmacovigilance process is limited by underreporting which justifies the current interest in new knowledge sources such as social media. The Adverse Drug Reactions from Patient Reports in Social Media (ADR-PRISM) project aims to extract ADRs reported by patients in these media. We identified 5 major challenges to overcome to operationalize the analysis of patient posts: (1) variable quality of information on social media, (2) guarantee of data privacy, (3) response to pharmacovigilance expert expectations, (4) identification of relevant information within Web pages, and (5) robust and evolutive architecture. Objective This article aims to describe the current state of advancement of the ADR-PRISM project by focusing on the solutions we have chosen to address these 5 major challenges. Methods In this article, we propose methods and describe the advancement of this project on several aspects: (1) a quality driven approach for selecting relevant social media for the extraction of knowledge on potential ADRs, (2) an assessment of ethical issues and French regulation for the analysis of data on social media, (3) an analysis of pharmacovigilance expert requirements when reviewing patient posts on the Internet, (4) an extraction method based on natural language processing, pattern based matching, and selection of relevant medical concepts in reference terminologies, and (5) specifications of a component-based architecture for the monitoring system. Results Considering the 5 major challenges, we (1) selected a set of 21 validated criteria for selecting social media to support the extraction of potential ADRs, (2) proposed solutions to guarantee data privacy of patients posting on Internet, (3) took into account pharmacovigilance expert requirements with use case diagrams and scenarios, (4) built domain-specific knowledge resources embeding a lexicon, morphological rules, context rules, semantic rules, syntactic rules, and post-analysis processing, and (5) proposed a component-based architecture that allows storage of big data and accessibility to third-party applications through Web services. Conclusions We demonstrated the feasibility of implementing a component-based architecture that allows collection of patient posts on the Internet, near real-time processing of those posts including annotation, and storage in big data structures. In the next steps, we will evaluate the posts identified by the system in social media to clarify the interest and relevance of such approach to improve conventional pharmacovigilance processes based on spontaneous reporting. PMID:28935617

Perspective: Evolutionary design of granular media and block copolymer patterns

NASA Astrophysics Data System (ADS)

Jaeger, Heinrich M.; de Pablo, Juan J.

2016-05-01

The creation of new materials "by design" is a process that starts from desired materials properties and proceeds to identify requirements for the constituent components. Such process is challenging because it inverts the typical modeling approach, which starts from given micro-level components to predict macro-level properties. We describe how to tackle this inverse problem using concepts from evolutionary computation. These concepts have widespread applicability and open up new opportunities for design as well as discovery. Here we apply them to design tasks involving two very different classes of soft materials, shape-optimized granular media and nanopatterned block copolymer thin films.

Membrane permeability and the loss of germination factor from Neurospora crassa at low water activities

NASA Technical Reports Server (NTRS)

Charlang, G.; Horowitz, N. H.

1974-01-01

Neurospora crassa conidia incubating in buffer at low water activities release a germination-essential component as well as 260-nm absorbing and ninhydrin-positive materials, regardless of whether an electrolyte or nonelectrolyte is used to reduce water activity. Chloroform and antibiotics known to increase cell-membrane permeability have a similar effect. This suggests that membrane damage occurs in media of low water activity and that an increase in permeability is responsible for the release of cellular components. The damage caused in media of low water activity is nonlethal in most cases, and the conidia recover when transferred to nutrient medium.

Testing an innovative framework for flood forecasting, monitoring and mapping in Europe

NASA Astrophysics Data System (ADS)

Dottori, Francesco; Kalas, Milan; Lorini, Valerio; Wania, Annett; Pappenberger, Florian; Salamon, Peter; Ramos, Maria Helena; Cloke, Hannah; Castillo, Carlos

2017-04-01

Between May and June 2016, France was hit by severe floods, particularly in the Loire and Seine river basins. In this work, we use this case study to test an innovative framework for flood forecasting, mapping and monitoring. More in detail, the system integrates in real-time two components of the Copernicus Emergency mapping services, namely the European Flood Awareness System and the satellite-based Rapid Mapping, with new procedures for rapid risk assessment and social media and news monitoring. We explore in detail the performance of each component of the system, demonstrating the improvements in respect to stand-alone flood forecasting and monitoring systems. We show how the performances of the forecasting component can be refined using the real-time feedback from social media monitoring to identify which areas were flooded, to evaluate the flood intensity, and therefore to correct impact estimations. Moreover, we show how the integration with impact forecast and social media monitoring can improve the timeliness and efficiency of satellite based emergency mapping, and reduce the chances of missing areas where flooding is already happening. These results illustrate how the new integrated approach leads to a better and earlier decision making and a timely evaluation of impacts.

Pick-and-Eat Salad-Crop Productivity, Nutritional Value, and Acceptability to Supplement the ISS Food System

NASA Technical Reports Server (NTRS)

Massa, G. D.; Wheeler, R. M.; Hummerick, M. E.; Morrow, R. C.; Mitchell, C. A.; Whitmire, A. M.; Ploutz-Snyder, R. J.; Douglas, G. L.

2016-01-01

The capability to grow nutritious, palatable food for crew consumption during spaceflight has the potential to provide health-promoting, bioavailable nutrients, enhance the dietary experience, and reduce launch mass as we move toward longer-duration missions. However, studies of edible produce during spaceflight have been limited, leaving a significant knowledge gap in the methods required to grow safe, acceptable, nutritious crops for consumption in space. Researchers from Kennedy Space Center, Johnson Space Center, Purdue University and ORBITEC have teamed up to explore the potential for plant growth and food production on the International Space Station (ISS) and future exploration missions. KSC, Purdue, and ORBITEC bring a history of plant and plant-microbial interaction research for ISS and for future bioregenerative life support systems. JSC brings expertise in Advanced Food Technology (AFT), Behavioral Health and Performance (BHP), and statistics. The Veggie vegetable-production system on the ISS offers an opportunity to develop a pick-and-eat fresh vegetable component to the ISS food system as a first step to bioregenerative supplemental food production. We propose growing salad plants in the Veggie unit during spaceflight, focusing on the impact of light quality and fertilizer formulation on crop morphology, edible biomass yield, microbial food safety, organoleptic acceptability, nutritional value, and behavioral health benefits of the fresh produce. The first phase of the project will involve flight tests using leafy greens, with a small Chinese cabbage variety, Tokyo bekana, previously down selected through a series of research tests as a suitable candidate. The second phase will focus on dwarf tomato. Down selection of candidate varieties have been performed, and the dwarf cultivar Red Robin has been selected as the test crop. Four light treatments and three fertilizer treatments will be tested for each crop on the ground, to down select to two light treatments and one fertilizer treatment to test on ISS. Our work will help define light colors, levels, and horticultural best practices to achieve high yields of safe, nutritious leafy greens and tomatoes to supplement a space diet of prepackaged food. Our final deliverable will be the development of growth protocols for these crops in a spaceflight vegetable production system. With this work, and potentially with other pending joint projects, we will continue the synergistic research to help close gaps in the human research roadmap, and enable humans to venture to Mars and beyond. This research was co-funded by the Human Research Program and Space Biology (MTL1075) in the ILSRA 2015 NRA call.

Inverse kinematic problem for a random gradient medium in geometric optics approximation

NASA Astrophysics Data System (ADS)

Petersen, N. V.

1990-03-01

Scattering at random inhomogeneities in a gradient medium results in systematic deviations of the rays and travel times of refracted body waves from those corresponding to the deterministic velocity component. The character of the difference depends on the parameters of the deterministic and random velocity component. However, at great distances to the source, independently of the velocity parameters (weakly or strongly inhomogeneous medium), the most probable depth of the ray turning point is smaller than that corresponding to the deterministic velocity component, the most probable travel times also being lower. The relative uncertainty in the deterministic velocity component, derived from the mean travel times using methods developed for laterally homogeneous media (for instance, the Herglotz-Wiechert method), is systematic in character, but does not exceed the contrast of velocity inhomogeneities by magnitude. The gradient of the deterministic velocity component has a significant effect on the travel-time fluctuations. The variance at great distances to the source is mainly controlled by shallow inhomogeneities. The travel-time flucutations are studied only for weakly inhomogeneous media.

Parental Mediation in the Digital Era: Increasing Children's Critical Thinking May Help Decrease Positive Attitudes toward Alcohol.

PubMed

Radanielina Hita, Marie Louise; Kareklas, Ioannis; Pinkleton, Bruce

2018-01-01

We demonstrate in our research that discussion-based parental mediation may successfully decrease the negative effects that youth's engagement with alcohol brands on social media may have on attitudes toward alcohol through its effects on critical thinking. A clear pattern was found with positive mediation leading to unhealthy outcomes and negative mediation predicting healthier behaviors. Youth whose parents critiqued media messages reported more critical thinking skills, which predicted less interaction with alcohol brands on social media and fewer expectancies toward alcohol. On the other hand, youth whose parents endorsed media portrayals of drinking reported fewer critical thinking skills and were thus more likely to interact with alcohol brands on social media. Including a media literacy component in alcohol education that target parental strategies and that are conducive to discussion may lead to beneficial health outcomes in the digital era.

Pure quasi-P wave equation and numerical solution in 3D TTI media

NASA Astrophysics Data System (ADS)

Zhang, Jian-Min; He, Bing-Shou; Tang, Huai-Gu

2017-03-01

Based on the pure quasi-P wave equation in transverse isotropic media with a vertical symmetry axis (VTI media), a quasi-P wave equation is obtained in transverse isotropic media with a tilted symmetry axis (TTI media). This is achieved using projection transformation, which rotates the direction vector in the coordinate system of observation toward the direction vector for the coordinate system in which the z-component is parallel to the symmetry axis of the TTI media. The equation has a simple form, is easily calculated, is not influenced by the pseudo-shear wave, and can be calculated reliably when δ is greater than ɛ. The finite difference method is used to solve the equation. In addition, a perfectly matched layer (PML) absorbing boundary condition is obtained for the equation. Theoretical analysis and numerical simulation results with forward modeling prove that the equation can accurately simulate a quasi-P wave in TTI medium.

Simulation of gaseous diffusion in partially saturated porous media under variable gravity with lattice Boltzmann methods

NASA Technical Reports Server (NTRS)

Chau, Jessica Furrer; Or, Dani; Sukop, Michael C.; Steinberg, S. L. (Principal Investigator)

2005-01-01

Liquid distributions in unsaturated porous media under different gravitational accelerations and corresponding macroscopic gaseous diffusion coefficients were investigated to enhance understanding of plant growth conditions in microgravity. We used a single-component, multiphase lattice Boltzmann code to simulate liquid configurations in two-dimensional porous media at varying water contents for different gravity conditions and measured gas diffusion through the media using a multicomponent lattice Boltzmann code. The relative diffusion coefficients (D rel) for simulations with and without gravity as functions of air-filled porosity were in good agreement with measured data and established models. We found significant differences in liquid configuration in porous media, leading to reductions in D rel of up to 25% under zero gravity. The study highlights potential applications of the lattice Boltzmann method for rapid and cost-effective evaluation of alternative plant growth media designs under variable gravity.

High Average Power Laser Gain Medium With Low Optical Distortion Using A Transverse Flowing Liquid Host

DOEpatents

Comaskey, Brian J.; Ault, Earl R.; Kuklo, Thomas C.

2005-07-05

A high average power, low optical distortion laser gain media is based on a flowing liquid media. A diode laser pumping device with tailored irradiance excites the laser active atom, ion or molecule within the liquid media. A laser active component of the liquid media exhibits energy storage times longer than or comparable to the thermal optical response time of the liquid. A circulation system that provides a closed loop for mixing and circulating the lasing liquid into and out of the optical cavity includes a pump, a diffuser, and a heat exchanger. A liquid flow gain cell includes flow straighteners and flow channel compression.

Composite media for ion processing

DOEpatents

Mann, Nick R [Blackfoot, ID; Wood, Donald J [Peshastin, WA; Todd, Terry A [Aberdeen, ID; Sebesta, Ferdinand [Prague, CZ

2009-12-08

Composite media, systems, and devices for substantially removing, or otherwise processing, one or more constituents of a fluid stream. The composite media comprise a plurality of beads, each having a matrix substantially comprising polyacrylonitrile (PAN) and supporting one or more active components which are effective in removing, by various mechanisms, one or more constituents from a fluid stream. Due to the porosity and large surface area of the beads, a high level of contact is achieved between composite media of the present invention and the fluid stream being processed. Further, the homogeneity of the beads facilitates use of the beads in high volume applications where it is desired to effectively process a large volume of flow per unit of time.

Neurosensory findings among electricians with self-reported remaining symptoms after an electrical injury: A case series.

PubMed

Rådman, Lisa; Gunnarsson, Lars-Gunnar; Nilsagård, Ylva; Nilsson, Tohr

2016-12-01

Symptoms described in previous studies indicate that electrical injury can cause longstanding injuries to the neurosensory nerves. The aim of the present case series was to objectively assess the profile of neurosensory dysfunction in electricians in relation to high voltage or low voltage electrical injury and the "no-let-go phenomenon". Twenty-three Swedish male electricians exposed to electrical injury were studied by using a battery of clinical instruments, including quantitative sensory testing (QST). The clinical test followed a predetermined order of assessments: thermal perceptions thresholds, vibration perception thresholds, tactile gnosis (the Shape and Texture Identification test), manual dexterity (Purdue Pegboard Test), and grip strength. In addition, pain was studied by means of a questionnaire, and a colour chart was used for estimation of white fingers. The main findings in the present case series were reduced thermal perceptions thresholds, where half of the group showed abnormal values for warm thermal perception and/or cold thermal perception. Also, the tactile gnosis and manual dexterity were reduced. High voltage injury was associated with more reduced sensibility compared to those with low voltage. Neurosensory injury can be objectively assessed after an electrical injury by using QST with thermal perception thresholds. The findings are consistent with injuries to small nerve fibres. In the clinical setting thermal perception threshold is therefore recommended, in addition to tests of tactile gnosis and manual dexterity (Purdue Pegboard). Copyright © 2016 Elsevier Ltd and ISBI. All rights reserved.

Project development teams: a novel mechanism for accelerating translational research.

PubMed

Sajdyk, Tammy J; Sors, Thomas G; Hunt, Joe D; Murray, Mary E; Deford, Melanie E; Shekhar, Anantha; Denne, Scott C

2015-01-01

The trend in conducting successful biomedical research is shifting from individual academic labs to coordinated collaborative research teams. Teams of experienced investigators with a wide variety of expertise are now critical for developing and maintaining a successful, productive research program. However, assembling a team whose members have the right expertise requires a great deal of time and many resources. To assist investigators seeking such resources, the Indiana Clinical and Translational Sciences Institute (Indiana CTSI) created the Project Development Teams (PDTs) program to support translational research on and across the Indiana University-Purdue University Indianapolis, Indiana University, Purdue University, and University of Notre Dame campuses. PDTs are multidisciplinary committees of seasoned researchers who assist investigators, at any stage of research, in transforming ideas/hypotheses into well-designed translational research projects. The teams help investigators capitalize on Indiana CTSI resources by providing investigators with, as needed, mentoring and career development; protocol development; pilot funding; institutional review board, regulatory, and/or nursing support; intellectual property support; access to institutional technology; and assistance with biostatistics, bioethics, recruiting participants, data mining, engaging community health, and collaborating with other investigators.Indiana CTSI leaders have analyzed metrics, collected since the inception of the PDT program in 2008 from both investigators and team members, and found evidence strongly suggesting that the highly responsive teams have become an important one-stop venue for facilitating productive interactions between basic and clinical scientists across four campuses, have aided in advancing the careers of junior faculty, and have helped investigators successfully obtain external funds.

Storage of Maize in Purdue Improved Crop Storage (PICS) Bags

PubMed Central

2017-01-01

Interest in using hermetic technologies as a pest management solution for stored grain has risen in recent years. One hermetic approach, Purdue Improved Crop Storage (PICS) bags, has proven successful in controlling the postharvest pests of cowpea. This success encouraged farmers to use of PICS bags for storing other crops including maize. To assess whether maize can be safely stored in PICS bags without loss of quality, we carried out laboratory studies of maize grain infested with Sitophilus zeamais (Motshulsky) and stored in PICS triple bags or in woven polypropylene bags. Over an eight month observation period, temperatures in the bags correlated with ambient temperature for all treatments. Relative humidity inside PICS bags remained constant over this period despite the large changes that occurred in the surrounding environment. Relative humidity in the woven bags followed ambient humidity closely. PICS bags containing S. zeamais-infested grain saw a significant decline in oxygen compared to the other treatments. Grain moisture content declined in woven bags, but remained high in PICS bags. Seed germination was not significantly affected over the first six months in all treatments, but declined after eight months of storage when infested grain was held in woven bags. Relative damage was low across treatments and not significantly different between treatments. Overall, maize showed no signs of deterioration in PICS bags versus the woven bags and PICS bags were superior to woven bags in terms of specific metrics of grain quality. PMID:28072835

Young People's Views Regarding Participation in Mental Health and Wellbeing Research through Social Media

ERIC Educational Resources Information Center

Monks, Helen; Cardoso, Patricia; Papageorgiou, Alana; Carolan, Catherine; Costello, Leesa; Thomas, Laura

2015-01-01

Social media is a central component in the lives of many young people, and provides innovative potential to conduct research among this population. Ethical issues around online research have been subject to much debate, yet young people have seldom been consulted to provide a youth perspective and voice. Eight (8) focus groups involving 48 Grade 9…

Understandings of Nature of Science and Multiple Perspective Evaluation of Science News by Non-Science Majors

ERIC Educational Resources Information Center

Leung, Jessica Shuk Ching; Wong, Alice Siu Ling; Yung, Benny Hin Wai

2015-01-01

Understandings of nature of science (NOS) are a core component of scientific literacy, and a scientifically literate populace is expected to be able to critically evaluate science in the media. While evidence has remained inconclusive on whether better NOS understandings will lead to critical evaluation of science in the media, this study aimed at…

Learning to Read with a Critical Eye: Cultivating Discerning Readers of Media Reports with a Science Component

ERIC Educational Resources Information Center

McClune, Billy; Alexander, Joy

2015-01-01

It is important for young people to be able to read science-related media reports with discernment. "Getting Newswise" was a research project designed to enable science and English teachers, working collaboratively, to equip pupils through the curriculum with critical reading skills appropriate for science news. Phase 1 of the study…

Toward a Model of Professional Social Media Use for Teachers' Informal Professional Development: A Delphi Study

ERIC Educational Resources Information Center

Kaiser, Heather

2017-01-01

The effectiveness of teacher professional development (PD) has been scrutinized for decades. Although scholars generally agree that collaboration is a critical component of sustainable PD, among schools in the United States, time for collaboration embedded within the school day is lacking. In the most recent era of social media, school districts…

Social Media-Based Civic Engagement Solutions for Dengue Prevention in Sri Lanka: Results of Receptivity Assessment

ERIC Educational Resources Information Center

Lwin, May O.; Vijaykumar, Santosh; Foo, Schubert; Fernando, Owen Noel Newton; Lim, Gentatsu; Panchapakesan, Chitra; Wimalaratne, Prasad

2016-01-01

This article focuses on a novel social media-based system that addresses dengue prevention through an integration of three components: predictive surveillance, civic engagement and health education. The aim was to conduct a potential receptivity assessment of this system among smartphone users in the city of Colombo, the epicenter of the dengue…

Stochastic theory of polarized light in nonlinear birefringent media: An application to optical rotation

NASA Astrophysics Data System (ADS)

Tsuchida, Satoshi; Kuratsuji, Hiroshi

2018-05-01

A stochastic theory is developed for the light transmitting the optical media exhibiting linear and nonlinear birefringence. The starting point is the two-component nonlinear Schrödinger equation (NLSE). On the basis of the ansatz of “soliton” solution for the NLSE, the evolution equation for the Stokes parameters is derived, which turns out to be the Langevin equation by taking account of randomness and dissipation inherent in the birefringent media. The Langevin equation is converted to the Fokker-Planck (FP) equation for the probability distribution by employing the technique of functional integral on the assumption of the Gaussian white noise for the random fluctuation. The specific application is considered for the optical rotation, which is described by the ellipticity (third component of the Stokes parameters) alone: (i) The asymptotic analysis is given for the functional integral, which leads to the transition rate on the Poincaré sphere. (ii) The FP equation is analyzed in the strong coupling approximation, by which the diffusive behavior is obtained for the linear and nonlinear birefringence. These would provide with a basis of statistical analysis for the polarization phenomena in nonlinear birefringent media.

A new media without animal component for sperm cryopreservation: motility and various attributes affecting paternal contribution of sperm.

PubMed

Tiwari, Akansha; Tekcan, Merih; Sati, Leyla; Murk, William; Stronk, Jill; Huszar, Gabor

2017-05-01

Our aim was the development of a safe sperm cryopreservation New Media (NM), composed of consistent and reproducible components devoid of any animal origin, and evaluation of NM in terms of its effect on sperm structure and function as compared to regularly used yolk media (TYM) (Irvine Scientific). We evaluated patient semen samples and cryopreserved them in duplicates in either NM or TYM. The samples were cryopreserved for either a short term of 1 week or long term of 1 month prior to thawing. The parameters investigated include sperm motility via computer-assisted semen analysis (CASA), sperm concentration, and sperm biomarkers that promote paternal contribution of spermatozoa to fertilization including hyaluronic acid binding, chromatin maturity, apoptotic markers, cytoplasmic retention, and sperm DNA integrity. As compared to TYM, NM was equally capable of sperm cryopreservation with both short-term and long-term storage in media, and after freeze-thaw and gradient processing of sperm. HA binding of sperm was comparable post thaw in both NM and yolk media. There are also no differences observed between the samples cryopreserved in NM or TYM in terms of their aniline blue staining, CK immunocytochemistry, caspase 3 immunostaining, or DNA nick translation. NM has the advantage of being xeno-free, yet in preservation of sperm motility and other sperm attributes, the NM is as effective as the TYM.

Social Media, Education and Data Sharing

NASA Astrophysics Data System (ADS)

King, T. A.; Walker, R. J.; Masters, A.

2011-12-01

Social media is a blending of technology and social interactions which allows for the creation and exchange of user-generated content. Social media started as conversations between groups of people, now companies are using social media to communicate with customers and politicians use it to communicate with their constituents. Social media is now finding uses in the science communities. This adoption is driven by the expectation of students that technology will be an integral part of their research and that it will match the technology they use in their social lifes. Students are using social media to keep informed and collaborate with others. They have also replaced notepads with smart mobile devices. We have been introducing social media components into Virtual Observatories as a way to quickly access and exchange information with a tap or a click. We discuss the use of Quick Response (QR) codes, Digital Object Identifiers (DOIs), unique identifiers, Twitter, Facebook and tiny URL redirects as ways to enable easier sharing of data and information. We also discuss what services and features are needed in a Virtual Observatory to make data sharing with social media possible.

MediaTracker system

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

Sandoval, D. M.; Strittmatter, R. B.; Abeyta, J. D.

2004-01-01

The initial objectives of this effort were to provide a hardware and software platform that can address the requirements for the accountability of classified removable electronic media and vault access logging. The Media Tracker system software assists classified media custodian in managing vault access logging and Media Tracking to prevent the inadvertent violation of rules or policies for the access to a restricted area and the movement and use of tracked items. The MediaTracker system includes the software tools to track and account for high consequence security assets and high value items. The overall benefits include: (1) real-time access tomore » the disposition of all Classified Removable Electronic Media (CREM), (2) streamlined security procedures and requirements, (3) removal of ambiguity and managerial inconsistencies, (4) prevention of incidents that can and should be prevented, (5) alignment with the DOE's initiative to achieve improvements in security and facility operations through technology deployment, and (6) enhanced individual responsibility by providing a consistent method of dealing with daily responsibilities. In response to initiatives to enhance the control of classified removable electronic media (CREM), the Media Tracker software suite was developed, piloted and implemented at the Los Alamos National Laboratory beginning in July 2000. The Media Tracker software suite assists in the accountability and tracking of CREM and other high-value assets. One component of the MediaTracker software suite provides a Laboratory-approved media tracking system. Using commercial touch screen and bar code technology, the MediaTracker (MT) component of the MediaTracker software suite provides an efficient and effective means to meet current Laboratory requirements and provides new-engineered controls to help assure compliance with those requirements. It also establishes a computer infrastructure at vault entrances for vault access logging, and can accommodate several methods of positive identification including smart cards and biometrics. Currently, we have three mechanisms that provide added security for accountability and tracking purposes. One mechanism consists of a portable, hand-held inventory scanner, which allows the custodian to physically track the items that are not accessible within a particular area. The second mechanism is a radio frequency identification (RFID) consisting of a monitoring portal, which tracks and logs in a database all activity tagged of items that pass through the portals. The third mechanism consists of an electronic tagging of a flash memory device for automated inventory of CREM in storage. By modifying this USB device the user is provided with added assurance, limiting the data from being obtained from any other computer.« less

Pharmacy, social media, and health: Opportunity for impact.

PubMed

Cain, Jeff; Romanelli, Frank; Fox, Brent

2010-01-01

To discuss opportunities and challenges for pharmacists' use of social media to affect health care. Not applicable. Evolutions in social media (e.g., Facebook, Twitter, YouTube) are beginning to alter the way society communicates. These new applications promote openness, user-generated content, social networking, and collaboration. The technologies, along with patient behaviors and desires, are stimulating a move toward more open and transparent access to health information. Although social media applications can reach large audiences, they offer message-tailoring capabilities that can effectively target specific populations. Another powerful aspect of social media is that they facilitate the organization of people and distribution of content-two necessary components of public health services. Although implementing health interventions via social media poses challenges, several examples exist that display the potential for pharmacists to use social media in health initiatives. Pharmacists have long played a role in educating patients on matters influencing health care. Social media offer several unique features that may be used to advance the role of pharmacy in health care initiatives. Public familiarity with social media, the economical nature of using social media, and the ability to disseminate information rapidly through social media make these new applications ideal for pharmacists wanting to provide innovative health care on both an individual and public level.

New, Improved Goddard Bulk-Microphysical Schemes for Studying Precipitation Processes in WRF

NASA Technical Reports Server (NTRS)

Tao, Wei-Kuo

2007-01-01

An improved bulk microphysical parameterization is implemented into the Weather Research and Forecasting ()VRF) model. This bulk microphysical scheme has three different options, 2ICE (cloud ice & snow), 3ICE-graupel (cloud ice, snow & graupel) and 3ICE-hail (cloud ice, snow & hail). High-resolution model simulations are conducted to examine the impact of microphysical schemes on two different weather events (a midlatitude linear convective system and an Atlantic hurricane). The results suggest that microphysics has a major impact on the organization and precipitation processes associated with a summer midlatitude convective line system. The Goddard 3ICE scheme with a cloud ice-snow-hail configuration agreed better with observations in terms of rainfall intensity and a narrow convective line than did simulations with a cloud ice-snow-graupel or cloud ice-snow (i.e., 2ICE) configuration. This is because the 3ICE-hail scheme includes dense ice precipitating (hail) particle with very fast fall speed (over 10 in For an Atlantic hurricane case, the Goddard microphysical schemes had no significant impact on the track forecast but did affect the intensity slightly. The improved Goddard schemes are also compared with WRF's three other 3ICE bulk microphysical schemes: WSM6, Purdue-Lin and Thompson. For the summer midlatitude convective line system, all of the schemes resulted in simulated precipitation events that were elongated in the southwest-northeast direction in qualitative agreement with the observed feature. However, the Goddard 3ICE scheme with the hail option and the Thompson scheme agree better with observations in terms of rainfall intensity, expect that the Goddard scheme simulated more heavy rainfall (over 48 mm/h). For the Atlantic hurricane case, none of the schemes had a significant impact on the track forecast; however, the simulated intensity using the Purdue-Lin scheme was much stronger than the other schemes. The vertical distributions of model simulated cloud species (i.e., snow) are quite sensitive to microphysical schemes, which is an important issue for future verification against satellite retrievals. Both the Purdue-Lin and WSM6 schemes simulated very little snow compared to the other schemes for both the midlatitude convective line and hurricane cases. Sensitivity tests are performed for these two WRF schemes to identify that snow productions could be increased by increasing the snow intercept, turning off the auto-conversion from snow to graupel and reducing the transfer processes from cloud-sized particles to precipitation-sized ice.

Studying Precipitation Processes in WRF with Goddard Bulk Microphysics in Comparison with Other Microphysical Schemes

NASA Technical Reports Server (NTRS)

Tao, W.K.; Shi, J.J.; Braun, S.; Simpson, J.; Chen, S.S.; Lang, S.; Hong, S.Y.; Thompson, G.; Peters-Lidard, C.

2009-01-01

A Goddard bulk microphysical parameterization is implemented into the Weather Research and Forecasting (WRF) model. This bulk microphysical scheme has three different options, 2ICE (cloud ice & snow), 3ICE-graupel (cloud ice, snow & graupel) and 3ICE-hail (cloud ice, snow & hail). High-resolution model simulations are conducted to examine the impact of microphysical schemes on different weather events: a midlatitude linear convective system and an Atlantic hurricane. The results suggest that microphysics has a major impact on the organization and precipitation processes associated with a summer midlatitude convective line system. The Goddard 3ICE scheme with the cloud ice-snow-hail configuration agreed better with observations ill of rainfall intensity and having a narrow convective line than did simulations with the cloud ice-snow-graupel and cloud ice-snow (i.e., 2ICE) configurations. This is because the Goddard 3ICE-hail configuration has denser precipitating ice particles (hail) with very fast fall speeds (over 10 m/s) For an Atlantic hurricane case, the Goddard microphysical scheme (with 3ICE-hail, 3ICE-graupel and 2ICE configurations) had no significant impact on the track forecast but did affect the intensity slightly. The Goddard scheme is also compared with WRF's three other 3ICE bulk microphysical schemes: WSM6, Purdue-Lin and Thompson. For the summer midlatitude convective line system, all of the schemes resulted in simulated precipitation events that were elongated in southwest-northeast direction in qualitative agreement with the observed feature. However, the Goddard 3ICE-hail and Thompson schemes were closest to the observed rainfall intensities although the Goddard scheme simulated more heavy rainfall (over 48 mm/h). For the Atlantic hurricane case, none of the schemes had a significant impact on the track forecast; however, the simulated intensity using the Purdue-Lin scheme was much stronger than the other schemes. The vertical distributions of model-simulated cloud species (e.g., snow) are quite sensitive to the microphysical schemes, which is an issue for future verification against satellite retrievals. Both the Purdue-Lin and WSM6 schemes simulated very little snow compared to the other schemes for both the midlatitude convective line and hurricane case. Sensitivity tests with these two schemes showed that increasing the snow intercept, turning off the auto-conversion from snow to graupel, eliminating dry growth, and reducing the transfer processes from cloud-sized particles to precipitation-sized ice collectively resulted in a net increase in those schemes' snow amounts.

Transmitter And Receiver Design For Microwave Fiber Optic Links

NASA Astrophysics Data System (ADS)

Blauvelt, H.; Yen, H.

1984-11-01

Optical fibers are an attractive media for transmitting microwave signals due to their low attenuation, light weight, immunity from electromagnetic interference and large bandwidth capabilities. In this paper, transmitter and receiver components for microwave fiber optic links are reviewed. Current limitations to link signal to noise imposed by the performance of these components are analyzed and promising trends in component development are discussed.

Simultaneous extraction and depolymerization of fucoidan from Sargassum muticum in aqueous media.

PubMed

Balboa, Elena M; Rivas, Sandra; Moure, Andrés; Domínguez, Herminia; Parajó, Juan Carlos

2013-11-21

The biomass components of the invasive seaweed Sargassum muticum were fractionated to allow their separate valorization. S. muticum (Sm) and the solid residue remaining after alginate extraction of this seaweed (AESm) were processed with hot, compressed water (hydrothermal processing) to assess the effects of temperature on fucoidan solubilization. Fucose-containing oligosaccharides were identified as reaction products. Operating under optimal conditions (170 °C), up to 62 and 85 wt% of the dry mass of Sm and AESm were solubilized, respectively. The reaction media were subjected to precipitation, nanofiltration and freeze-drying. The dried products contained 50% and 85% of the fucoidan present in Sm and AESm, respectively; together with other components such as phenolics and inorganic components. The saccharidic fraction, accounting for up to 35% of the dried extracts, contained fucose as the main sugar, and also galactose, xylose, glucose and mannose. The concentrates were characterized for antioxidant activity using the TEAC assay.

Simultaneous Extraction and Depolymerization of Fucoidan from Sargassum muticum in Aqueous Media

PubMed Central

Balboa, Elena M.; Rivas, Sandra; Moure, Andrés; Domínguez, Herminia; Parajó, Juan Carlos

2013-01-01

The biomass components of the invasive seaweed Sargassum muticum were fractionated to allow their separate valorization. S. muticum (Sm) and the solid residue remaining after alginate extraction of this seaweed (AESm) were processed with hot, compressed water (hydrothermal processing) to assess the effects of temperature on fucoidan solubilization. Fucose-containing oligosaccharides were identified as reaction products. Operating under optimal conditions (170 °C), up to 62 and 85 wt% of the dry mass of Sm and AESm were solubilized, respectively. The reaction media were subjected to precipitation, nanofiltration and freeze-drying. The dried products contained 50% and 85% of the fucoidan present in Sm and AESm, respectively; together with other components such as phenolics and inorganic components. The saccharidic fraction, accounting for up to 35% of the dried extracts, contained fucose as the main sugar, and also galactose, xylose, glucose and mannose. The concentrates were characterized for antioxidant activity using the TEAC assay. PMID:24284426

A Complete Art Instructor Demonstration: Composition and Value.

ERIC Educational Resources Information Center

Demery, Marie

A complete art instructor demonstration consists of the following components: (1) goals and/or objectives; (2) examples; (3) vocabulary; (4) media; (5) steps; (6) evaluation criteria; and (7) references. A lesson plan is provided which encompasses those components and becomes the guiding structure for instructional and student organization,…

GY SAMPLING THEORY AND GEOSTATISTICS: ALTERNATE MODELS OF VARIABILITY IN CONTINUOUS MEDIA

EPA Science Inventory

In the sampling theory developed by Pierre Gy, sample variability is modeled as the sum of a set of seven discrete error components. The variogram used in geostatisties provides an alternate model in which several of Gy's error components are combined in a continuous mode...

40 CFR 264.552 - Corrective Action Management Units (CAMU).

Code of Federal Regulations, 2014 CFR

2014-07-01

... (FML), and the lower component must consist of at least a two-foot layer of compacted soil with a... hazardous wastes, and all media (including ground water, surface water, soils, and sediments) and debris... with the compacted soil component; (ii) Alternate requirements. The Regional Administrator may approve...

40 CFR 264.552 - Corrective Action Management Units (CAMU).

Code of Federal Regulations, 2012 CFR

2012-07-01

... (FML), and the lower component must consist of at least a two-foot layer of compacted soil with a... hazardous wastes, and all media (including ground water, surface water, soils, and sediments) and debris... with the compacted soil component; (ii) Alternate requirements. The Regional Administrator may approve...

40 CFR 264.552 - Corrective Action Management Units (CAMU).

Code of Federal Regulations, 2010 CFR

2010-07-01

... (FML), and the lower component must consist of at least a two-foot layer of compacted soil with a... hazardous wastes, and all media (including ground water, surface water, soils, and sediments) and debris... with the compacted soil component; (ii) Alternate requirements. The Regional Administrator may approve...

40 CFR 264.552 - Corrective Action Management Units (CAMU).

Code of Federal Regulations, 2011 CFR

2011-07-01

... (FML), and the lower component must consist of at least a two-foot layer of compacted soil with a... hazardous wastes, and all media (including ground water, surface water, soils, and sediments) and debris... with the compacted soil component; (ii) Alternate requirements. The Regional Administrator may approve...

Audience Methods and Gratifications.

ERIC Educational Resources Information Center

Lull, James

A model of need gratification inspired by the work of K.E. Rosengren suggests a theoretical framework making it possible to identify, measure, and assess the components of the need gratification process with respect to the mass media. Methods having cognitive and behavioral components are designed by individuals to achieve need gratification. Deep…

Disciplinary differences of the impact of altmetric.

PubMed

Ortega, José Luis

2018-04-01

The main objective of this work was to group altmetric indicators according to their relationships and detect disciplinary differences with regard to altmetric impact in a set of 3793 research articles published in 2013. Three of the most representative altmetric providers (Altmetric, PlumX and Crossref Event Data) and Scopus were used to extract information about these publications and their metrics. Principal component analysis was used to summarize the information on these metrics and detect groups of indicators. The results show that these metrics can be grouped into three components: social media, gathering metrics from social networks and online media; usage, including metrics on downloads and views; and citations and saves, grouping metrics related to research impact and saves in bookmarking sites. With regard to disciplinary differences, articles in the General category attract more attention from social media, Social Sciences articles have higher usage than Physical Sciences, and General articles are more cited and saved than Health Sciences and Social Sciences articles.

Social media for public health: an exploratory policy analysis.

PubMed

Fast, Ingrid; Sørensen, Kristine; Brand, Helmut; Suggs, L Suzanne

2015-02-01

To accomplish the aims of public health practice and policy today, new forms of communication and education are being applied. Social media are increasingly relevant for public health and used by various actors. Apart from benefits, there can also be risks in using social media, but policies regulating engagement in social media is not well researched. This study examined European public health-related organizations' social media policies and describes the main components of existing policies. This research used a mixed methods approach. A content analysis of social media policies from European institutions, non-government organizations (NGOs) and social media platforms was conducted. Next, individuals responsible for social media in their organization or projects completed a survey about their social media policy. Seventy-five per cent of institutions, NGOs and platforms had a social media policy available. The primary aspects covered within existing policies included data and privacy protection, intellectual property and copyright protection and regulations for the engagement in social media. Policies were intended to regulate staff use, to secure the liability of the institution and social responsibility. Respondents also stressed the importance of self-responsibility when using social media. This study of social media policies for public health in Europe provides a first snapshot of the existence and characteristics of social media policies among European health organizations. Policies tended to focus on legal aspects, rather than the health of the social media user. The effect of such policies on social media adoption and usage behaviour remains to be examined. © The Author 2014. Published by Oxford University Press on behalf of the European Public Health Association. All rights reserved.

The Effect of Saturation on Shear Wave Anisotropy in a Transversely Isotropic Medium

NASA Astrophysics Data System (ADS)

Li, W.; Pyrak-Nolte, L. J.

2010-12-01

Seismic monitoring of fluid distributions in the subsurface requires an understanding of the effect of fluid saturation on the anisotropic properties of layered media. Austin Chalk is a carbonate rock composed mainly of calcite (99.9%) with fine bedding caused by a weakly-directed fabric. In this paper, we assess the shear-wave anisotropy of Austin Chalk and the effect of saturation on interpreting anisotropy based on shear wave velocity, attenuation and spectral content as a function of saturation. In the laboratory, we performed full shear-waveform measurements on several dry cubic samples of Austin Chalk with dimensions 50mm x 50mm x 50mm. Two shear-wave contact transducers (central Frequency 1 MHz) were use to send and receive signals. Data was collected for three orthogonal orientations of the sample and as a function of shear wave polarization relative to the layers in the sample. For the waves propagated parallel to the layers, both fast and slow shear waves were observed with velocities of 3444 m/s and 3193 m/s, respectively. It was noted that the minimum and maximum shear wave velocities did not occur when the shear wave polarization were perpendicular or parallel to the layering in the sample but occurred at an orientation of ~25 degrees from the normal to the layers. The sample was then vacuum saturated with water for approximately ~15 hours. The same measurements were performed on the saturated sample as those on the dry sample. Both shear wave velocities observed decreased upon water-saturation with corresponding velocities of 3155 m/s and 2939 m/s, respectively. In the dry condition the difference between the fast and slow shear wave velocities was 250 m/s. This difference decreased to 215 m/s after fluid saturation. In both the dry and saturated condition, the shear wave velocity for waves propagated perpendicularly to the layers was independent of polarization and had the same magnitude as that of the slow shear wave. A wavelet analysis was performed to determine changes in the spectral content of the signals upon saturation as well velocity dispersion. We found that (1) low frequency components exhibit a larger difference in time delay between the fast and slow shear waves for the water-saturated condition than for the dry condition; (2) that high frequency components have relatively small differences in time delay between the dry and saturated conditions; and (3) the dominant frequency shifted to lower frequencies for the fast shear wave upon saturation while no change in dominant frequency was observed for the slow shear wave upon saturation. Thus, fluid saturation affects shear velocity as well as the spectral content of the signal. Acknowledgments: The authors wish to acknowledge support of this work by the Geosciences Research Program, Office of Basic Energy Sciences US Department of Energy (DE-FG02-09ER16022), by Exxon Mobil Upstream Research Company and the GeoMathematical Imaging Group at Purdue University.

The dynamics of hydroponic crops for simulation studies of the CELSS initial reference configurations

NASA Technical Reports Server (NTRS)

Volk, Tyler

1993-01-01

During the past several years, the NASA Program in Controlled Ecological Life Support Systems (CELSS) has continued apace with crop research and logistic, technological, and scientific strides. These include the CELSS Test Facility planned for the space station and its prototype Engineering Development Unit, soon to be active at Ames Research Center (as well as the advanced crop growth research chamber at Ames); the large environmental growth chambers and the planned human test bed facility at Johnson Space Center; the NSCORT at Purdue with new candidate crops and diverse research into the CELSS components; the gas exchange data for soy, potatoes, and wheat from Kennedy Space Center (KSC); and the high-precision gas exchange data for wheat from Utah State University (USU). All these developments, taken together, speak to the need for crop modeling as a means to connect the findings of the crop physiologists with the engineers designing the system. A need also exists for crop modeling to analyze and predict the gas exchange data from the various locations to maximize the scientific yield from the experiments. One fruitful approach employs what has been called the 'energy cascade'. Useful as a basis for CELSS crop growth experimental design, the energy cascade as a generic modeling approach for CELSS crops is a featured accomplishment in this report. The energy cascade is a major tool for linking CELSS crop experiments to the system design. The energy cascade presented here can help collaborations between modelers and crop experimenters to develop the most fruitful experiments for pushing the limits of crop productivity. Furthermore, crop models using the energy cascade provide a natural means to compare, feature for feature, the crop growth components between different CELSS experiments, for example, at Utah State University and Kennedy Space Center.

Hypersonic Laminar-Turbulent Transition on Slender Cones at Zero Angle of Attack: Measurements in Support of Mechanism-Based Models for Scaling Ground-Test Data to Flight

DTIC Science & Technology

2011-03-04

reported in Refs. [12, 15, 16, 17, 18, 19, 20, 21, 22]. Related work continues at JAXA, DLR, NASA Langley, CUBRC , AEDC Tunnel 9, VKI, Purdue and... CUBRC (private communication, fall 2007), as these sensors were designed to measure the passage of shock waves in guns. Estorf et al. continued this... CUBRC 11 in Buffalo, New York, and so on. It seems that an informal international cooperation along the lines of the Fisher-Dougherty work is being

Free-Swinging Failure Tolerance for Robotic Manipulators. Degree awarded by Purdue Univ.

NASA Technical Reports Server (NTRS)

English, James

1997-01-01

Under this GSRP fellowship, software-based failure-tolerance techniques were developed for robotic manipulators. The focus was on failures characterized by the loss of actuator torque at a joint, called free-swinging failures. The research results spanned many aspects of the free-swinging failure-tolerance problem, from preparing for an expected failure to discovery of postfailure capabilities to establishing efficient methods to realize those capabilities. Developed algorithms were verified using computer-based dynamic simulations, and these were further verified using hardware experiments at Johnson Space Center.

NASA Education Stakeholder's Summit

NASA Image and Video Library

2010-09-12

NASA Student Ambassadors and Facilitator are seen on a panel at the NASA Education Stakeholders’ Summit One Stop Shopping Initiative (OSSI), Monday, Sep. 13, 2010, at the Westfields Marriott Conference Center in Chantilly, VA. From left to right are: Quenton Bonds, University of South Florida; Geoffrey Wawrzyniak, Purdue University; Heriberto Reynoso, University of Texas at Brownsville; Marie Kingbird-Lowry, Leech Lake Tribal College; Kareen Borders, University of Washington; Katelyn Doran, University of North Carolina at Charlotte and Ashanti Johnson, PhD, Executive Director, Institute for Broadening Participation. (Photo Credit: NASA/Carla Cioffi)

Two-Phase Flow in High-Heat-Flux Micro-Channel Heat Sink for Refrigeration Cooling Applications. Part 1: Micro-Channel Heat Sink for Direct Refrigeration Cooling

DTIC Science & Technology

2008-09-01

Mudawar Jaeseon Lee Myungki Sung Boiling and Two-Phase Flow Laboratory School of Mechanical Engineering Purdue University West Lafayette, Indiana...NA 6. AUTHOR(S) 5d. PROJECT NUMBER Mudawar , Issam NA Lee, Jaeseon Sung, Myung Ki 5e. TASK NUMBER NA 5f. WORK UNIT NUMBER NA 7. PERFORMING...NAME OF RESPONSIBLE PERSON a. REPORT b. ABSTRACT c. THIS PAGE ABSTRACT OF Mudawar , Issam PAGES U UU 19b. TELEPHONE NUMBER (Include area code)U U 465 765

The Design of an Ultra High Capacity Long Range Transport Aircraft

NASA Technical Reports Server (NTRS)

Weisshaar, Terrence A.; Bucci, Gregory; Hare, Angela; Szolwinski, Matthew

1993-01-01

This paper examines the design of a 650 passenger aircraft with 8000 nautical mile range to reduce seat mile cost and to reduce airport and airway congestion. This design effort involves the usual issues that require trades between technologies, but must also include consideration of: airport terminal facilities; passenger loading and unloading; and, defeating the 'square-cube' law to design large structures. This paper will review the long range ultra high capacity or megatransport design problem and the variety of solutions developed by senior student design teams at Purdue University.

Experimental Studies of Coal and Biomass Fuel Synthesis and Flame Characterization for Aircraft Engines

DTIC Science & Technology

2010-05-31

near the catalyst bed was about 600 °C. The rest of the reactor, tar/char collector , and transfer hose to the entrance of the condenser were heated to...such as solar and nuclear [2.2-2.3], to reduce carbon dioxide concentrations and to provide heat for the reactions. Carbon dioxide emission may be...assembly Page 27 of 50 AFOSR Grant #FA9 5 5 0-08-1-04 5 6 Final Performance Report Purdue University Ash collector ( pipe end cap) with product aas

Planck Visualization Project: Seeing and Hearing the CMB

NASA Astrophysics Data System (ADS)

Van Der Veen, Jatila; Lubin, P. M.; 2; Alper, B.; 3; Smith, W.; 4; McGee, R.; 5; US Planck Collaboration

2011-01-01

The Planck Education and Public Outreach collaborators at the University of California, Santa Barbara and Purdue University have prepared a variety of materials to present the science goals of the Planck Mission to the public. Here we present our interactive simulation of the Cosmic Microwave Background, in which the user can change the ingredients of the universe and hear the different harmonics. We also present how we derive information about the early universe from the power spectrum of the CMB by using the physics of music for the public.

Summary of ARI Research on Remotely Monitored Sensors

DTIC Science & Technology

1980-07-01

I NAVY PFRSONNEL R AND 0 CENTER/ I US ARMY AVN ENbINEERING FLIGHT ACTIVIIY ATTN8 SAVTE- TD SoFc OF NAVAL RESEARCH PERSONNEL AND TRAINING RESEARCH...LABS ATTN: LTL- TD -S I USA MORILITY EWUIPMENT R AND 0 COMO ATTNS ODMUE-TO I NIGHT VISION LAH ATTN: UHSEL-NV-SUU I USA TRAINING BUAHD I USA HUMAN...I PURDUE UNIV DLPT OF PSYCMOLOGICAL SCIE.NCES 1 05A MOHILITY EWI,1PMENT w AND 0 LUMMANL) ATTNt URDME-1rG IHQ . USA MDW ATTN; ANPE-vE It D A US ARMY

Cloud Computing: Virtual Clusters, Data Security, and Disaster Recovery

NASA Astrophysics Data System (ADS)

Hwang, Kai

Dr. Kai Hwang is a Professor of Electrical Engineering and Computer Science and Director of Internet and Cloud Computing Lab at the Univ. of Southern California (USC). He received the Ph.D. in Electrical Engineering and Computer Science from the Univ. of California, Berkeley. Prior to joining USC, he has taught at Purdue Univ. for many years. He has also served as a visiting Chair Professor at Minnesota, Hong Kong Univ., Zhejiang Univ., and Tsinghua Univ. He has published 8 books and over 210 scientific papers in computer science/engineering.

Valorization of crude glycerol and eggshell biowaste as media components for hydrogen production: A scale-up study using co-culture system.

PubMed

Pachapur, Vinayak Laxman; Das, Ratul Kumar; Brar, Satinder Kaur; Le Bihan, Yann; Buelna, Gerardo

2017-02-01

The properties of eggshells (EGS) as neutralizing and immobilizing agent were investigated for hydrogen (H 2 ) production using crude glycerol (CG) by co-culture system. Eggshells of different sizes and concentrations were used during batch and repeated-batch fermentation. For batch and repeated-batch fermentation, the maximum H 2 production (36.53±0.53 and 41.16±0.95mmol/L, respectively) was obtained with the EGS size of 33μm

Laser system using regenerative amplifier

DOEpatents

Emmett, John L. [Pleasanton, CA

1980-03-04

High energy laser system using a regenerative amplifier, which relaxes all constraints on laser components other than the intrinsic damage level of matter, so as to enable use of available laser system components. This can be accomplished by use of segmented components, spatial filters, at least one amplifier using solid state or gaseous media, and separated reflector members providing a long round trip time through the regenerative cavity, thereby allowing slower switching and adequate time to clear the spatial filters, etc. The laser system simplifies component requirements and reduces component cost while providing high energy output.

Data to inform a social media component for professional development and practices: A design-based research study.

PubMed

Novakovich, Jeanette; Shaw, Steven; Miah, Sophia

2017-02-01

This DIB article includes the course artefacts, instruments, survey data, and descriptive statistics, along with in-depth correlational analysis for the first iteration of a design-based research study on designing curriculum for developing online professional identity and social media practices for a multi-major advanced professional writing course. Raw data was entered into SPSS software. For interpretation and discussion, please see the original article entitled, "Designing curriculum to shape professional social media skills and identity in virtual communities of practice" (J. Novakovich, S. Miah, S. Shaw, 2017) [1].

The Adverse Drug Reactions from Patient Reports in Social Media Project: Five Major Challenges to Overcome to Operationalize Analysis and Efficiently Support Pharmacovigilance Process.

PubMed

Bousquet, Cedric; Dahamna, Badisse; Guillemin-Lanne, Sylvie; Darmoni, Stefan J; Faviez, Carole; Huot, Charles; Katsahian, Sandrine; Leroux, Vincent; Pereira, Suzanne; Richard, Christophe; Schück, Stéphane; Souvignet, Julien; Lillo-Le Louët, Agnès; Texier, Nathalie

2017-09-21

Adverse drug reactions (ADRs) are an important cause of morbidity and mortality. Classical Pharmacovigilance process is limited by underreporting which justifies the current interest in new knowledge sources such as social media. The Adverse Drug Reactions from Patient Reports in Social Media (ADR-PRISM) project aims to extract ADRs reported by patients in these media. We identified 5 major challenges to overcome to operationalize the analysis of patient posts: (1) variable quality of information on social media, (2) guarantee of data privacy, (3) response to pharmacovigilance expert expectations, (4) identification of relevant information within Web pages, and (5) robust and evolutive architecture. This article aims to describe the current state of advancement of the ADR-PRISM project by focusing on the solutions we have chosen to address these 5 major challenges. In this article, we propose methods and describe the advancement of this project on several aspects: (1) a quality driven approach for selecting relevant social media for the extraction of knowledge on potential ADRs, (2) an assessment of ethical issues and French regulation for the analysis of data on social media, (3) an analysis of pharmacovigilance expert requirements when reviewing patient posts on the Internet, (4) an extraction method based on natural language processing, pattern based matching, and selection of relevant medical concepts in reference terminologies, and (5) specifications of a component-based architecture for the monitoring system. Considering the 5 major challenges, we (1) selected a set of 21 validated criteria for selecting social media to support the extraction of potential ADRs, (2) proposed solutions to guarantee data privacy of patients posting on Internet, (3) took into account pharmacovigilance expert requirements with use case diagrams and scenarios, (4) built domain-specific knowledge resources embeding a lexicon, morphological rules, context rules, semantic rules, syntactic rules, and post-analysis processing, and (5) proposed a component-based architecture that allows storage of big data and accessibility to third-party applications through Web services. We demonstrated the feasibility of implementing a component-based architecture that allows collection of patient posts on the Internet, near real-time processing of those posts including annotation, and storage in big data structures. In the next steps, we will evaluate the posts identified by the system in social media to clarify the interest and relevance of such approach to improve conventional pharmacovigilance processes based on spontaneous reporting. ©Cedric Bousquet, Badisse Dahamna, Sylvie Guillemin-Lanne, Stefan J Darmoni, Carole Faviez, Charles Huot, Sandrine Katsahian, Vincent Leroux, Suzanne Pereira, Christophe Richard, Stéphane Schück, Julien Souvignet, Agnès Lillo-Le Louët, Nathalie Texier. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 21.09.2017.

MINEMOTION3D: A new set of Programs for Predicting Ground Motion From Explosions in Complex 3D Media

NASA Astrophysics Data System (ADS)

Tibuleac, I. M.; Bonner, J. L.; Orrey, J. L.; Yang, X.

2004-12-01

Predicting ground motion from complicated mining explosions is important for mines developing new blasting programs in regions where vibrations must be kept below certain levels. Additionally, predicting ground motion from mining explosions in complex 3D media is important for moment estimation for nuclear test treaty monitoring. Both problems have been addressed under the development of a new series of numerical prediction programs called MINEMOTION3D including 1) Generalized Fourier Methods to generate Green's functions in 3D media for a moment tensor source implementation and 2) MineSeis3D, a program that simulates seismograms for delay-fired mining explosions with a linear relationship between signals from small size individual shots. To test the programs, local recordings (5 - 23 km) of three production shots at a mine in northern Minnesota were compared to synthetic waveforms in 3D media. A non-zero value of the moment tensor component M12 was considered, to introduce a horizontal spall component into the waveform synthesis when the Green's functions were generated for each model. Methods using seismic noise crosscorrelation for improved inter-element subsurface structure estimation were also evaluated. Comparison of the observed and synthetic waveforms shows promising results. The shape and arrival times of the normalized synthetic and observed waveforms are similar for most of the stations. The synthetic and observed waveform amplitude fit is best for the vertical components in the mean 3D model and worst for the transversal components. The observed effect of spall on the waveform spectra was weak in the case of fragmentation delay fired commercial explosions. Commercial applications of the code could provide data needed for designing explosions which do not exceed ground vibration requirements posed by the U.S. Department of the Interior, Office of Surface Mining.

Interaction of Antibiotics with Innate Host Defense Factors against Salmonella enterica Serotype Newport

PubMed Central

Kumaraswamy, Monika; Kousha, Armin; Nizet, Victor

2017-01-01

ABSTRACT This study examines the pharmacodynamics of antimicrobials that are used to treat Salmonella with each other and with key components of the innate immune system. Antimicrobial synergy was assessed using time-kill and checkerboard assays. Antimicrobial interactions with innate immunity were studied by employing cathelicidin LL-37, whole-blood, and neutrophil killing assays. Ceftriaxone and ciprofloxacin were found to be synergistic in vitro against Salmonella enterica serotype Newport. Ceftriaxone, ciprofloxacin, and azithromycin each demonstrated synergy with the human cathelicidin defense peptide LL-37 in killing Salmonella. Exposure of Salmonella to sub-MICs of ceftriaxone resulted in enhanced susceptibility to LL-37, whole blood, and neutrophil killing. The activity of antibiotics in vivo against Salmonella may be underestimated in bacteriologic media lacking components of innate immunity. The pharmacodynamic interactions of antibiotics used to treat Salmonella with each other and with components of innate immunity warrant further study in light of recent findings showing in vivo selection of antimicrobial resistance by single agents in this pathogen. IMPORTANCE It is becoming increasingly understood that the current paradigms of in vitro antimicrobial susceptibility testing may have significant shortcomings in predicting activity in vivo. This study evaluated the activity of several antibiotics alone and in combination against clinical isolates of Salmonella enterica serotype Newport (meningitis case) utilizing both conventional and physiological media. In addition, the interactions of these antibiotics with components of the innate immune system were evaluated. Azithromycin, which has performed quite well clinically despite high MICs in conventional media, was shown to be more active in physiological media and to enhance innate immune system killing. Alternatively, chloramphenicol did not show enhanced immune system killing, paralleling its inferior clinical performance to other antibiotics that have been used to treat Salmonella meningitis. These findings are important additions to the building understanding of current in vitro antimicrobial assay limitations that hopefully will amount to future improvements in these assays to better predict clinical efficacy and activity in vivo. PMID:29242830

Impact of media and antifoam selection on monoclonal antibody production and quality using a high throughput micro‐bioreactor system

PubMed Central

Velugula‐Yellela, Sai Rashmika; Williams, Abasha; Trunfio, Nicholas; Hsu, Chih‐Jung; Chavez, Brittany; Yoon, Seongkyu

2017-01-01

Monoclonal antibody production in commercial scale cell culture bioprocessing requires a thorough understanding of the engineering process and components used throughout manufacturing. It is important to identify high impact components early on during the lifecycle of a biotechnology‐derived product. While cell culture media selection is of obvious importance to the health and productivity of mammalian bioreactor operations, other components such as antifoam selection can also play an important role in bioreactor cell culture. Silicone polymer‐based antifoams were known to have negative impacts on cell health, production, and downstream filtration and purification operations. High throughput screening in micro‐scale bioreactors provides an efficient strategy to identify initial operating parameters. Here, we utilized a micro‐scale parallel bioreactor system to study an IgG1 producing CHO cell line, to screen Dynamis, ProCHO5, PowerCHO2, EX‐Cell Advanced, and OptiCHO media, and 204, C, EX‐Cell, SE‐15, and Y‐30 antifoams and their impacts on IgG1 production, cell growth, aggregation, and process control. This study found ProCHO5, EX‐Cell Advanced, and PowerCHO2 media supported strong cellular growth profiles, with an IVCD of 25‐35 × 106 cells‐d/mL, while maintaining specific antibody production (Qp > 2 pg/cell‐d) for our model cell line and a monomer percentage above 94%. Antifoams C, EX‐Cell, and SE‐15 were capable of providing adequate control of foaming while antifoam 204 and Y‐30 noticeably stunted cellular growth. This work highlights the utility of high throughput micro bioreactors and the importance of identifying both positive and negative impacts of media and antifoam selection on a model IgG1 producing CHO cell line. © 2017 The Authors Biotechnology Progress published by Wiley Periodicals, Inc. on behalf of American Institute of Chemical Engineers Biotechnol. Prog., 34:262–270, 2018 PMID:29086492

Quality evaluation of radiographic contrast media in large-volume prefilled syringes and vials.

PubMed

Sendo, T; Hirakawa, M; Yaginuma, M; Aoyama, T; Oishi, R

1998-06-01

The authors compared the particle contaminations of radiographic contrast media packaged in large-volume prefilled syringes and vials. Particle counting was performed for four contrast media packaged in large-volume prefilled syringes (iohexol, ioversol, ioversol for angiography, and ioxaglate) and three contrast media packaged in vials (iohexol, ioversol, and ioxaglate). X-ray emission spectrometry was performed to characterize the individual particles. The amount of silicone oil in the syringe was quantified with infrared spectrophotometry. The particle contamination in syringes containing ioversol was higher than that in syringes containing iohexol or ioxaglate. Particle contamination in the vials was relatively low, except with ioxaglate. X-ray emission spectrometry of the components of the syringe and vial showed that the source of particles was internal material released from the rubber stopper or inner surface. The particle counts for contrast media packaged in syringes and vials varied considerably among the different contrast media and were related to the amount of silicone oil on the inner surface and rubber piston of the syringe.