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Articles 661 - 690 of 690
Full-Text Articles in Life Sciences
Synthesis Of 12-Hete Using Asymmetric Phase-Transfer Catalysis, Michael A. Christiansen, M. B. Andrus
Synthesis Of 12-Hete Using Asymmetric Phase-Transfer Catalysis, Michael A. Christiansen, M. B. Andrus
Chemistry and Biochemistry Faculty Presentations
A new method of asymmetric phase-transfer-catalyzed alkylation is described. The synthetic utility of this method is demonstrated with the total syntheses of kurasoin A, kurasoin B, and S-naproxenTM, with current work toward S-equol. This methodology is currently being applied to an improved asymmetric total synthesis of the natural compound 12-S-HETE.
American Chestnut Oral History Project Presentation And Interview Clips, Bethany N. Baxter
American Chestnut Oral History Project Presentation And Interview Clips, Bethany N. Baxter
American Chestnut Oral History Project
An interview recorded as part of the original research for the thesis entitled, An oral history of the American chestnut in Southern Appalachia, submitted to the faculty of the University of Tennessee at Chattanooga in partial fulfillment of the requirements of the degree of Master of Science.
Assessment Of Whole Grain Intake In A Population Of College Students, Sarah Flinn
Assessment Of Whole Grain Intake In A Population Of College Students, Sarah Flinn
Senior Honors Projects
Increasing the consumption of whole grain foods is an immediate public health priority. Whole grains are rich in dietary fiber, antioxidants, protein, vitamins, and minerals. Americans of all ages do not eat enough of these foods to benefit from their potential to reduce the risk of certain cancers, diabetes and obesity. The aim of this project is to profile the whole grain intake and document related knowledge and attitudes of a convenience sample of college students at the University of Rhode Island, a group that is at high risk for a low whole grain intake. Using the introductory nutrition (NFS …
Characterization Of The Interaction Between The Fanconi Anemia (Fa) D2 Protein And Proliferating Cell Nuclear Antigen (Pcna), Carolyn Schmiedel
Characterization Of The Interaction Between The Fanconi Anemia (Fa) D2 Protein And Proliferating Cell Nuclear Antigen (Pcna), Carolyn Schmiedel
Senior Honors Projects
No abstract provided.
Healthy Habits: An Exploration Of Family Eating Choices And Practices, Stephanie Bramley
Healthy Habits: An Exploration Of Family Eating Choices And Practices, Stephanie Bramley
Senior Honors Projects
Before declaring myself a Human Development and Family Studies major at the end of my sophomore year, I searched for universities based upon my interest in nutrition. Since high school, I have become more health conscious and with my recent studies in human development and families, I became interested in family food choices and behaviors. Obesity is a rising epidemic in the United States and many habits, healthy or unhealthy, start with the family during childhood. I began working with Professors McCurdy and Gorman in the fall of 2007 on their Food Behavior Study, interviewing mothers with young children at …
Searching For Binding Partners For The Novel Phkg1 Variant, Phkγ 181, Kishore Polireddy
Searching For Binding Partners For The Novel Phkg1 Variant, Phkγ 181, Kishore Polireddy
Student Research Conference Select Presentations
Phopshorylase kinase (PhK) is a hexadecameric holoenzyme made up of four different subunits in the arrangement (αβγδ)4 and has total molecular mass of 1.3MDa. Alpha and β are regulatory subunits, γ is catalytic, and δ is an intrinsic molecule of calmodulin. PhK is a serine threonine kinase with glycogenolytic regulatory functions. Our lab has recently discovered that the γ subunit can be alternatively processed to produce a truncated form of 181 residues (γ-181). This variant of γ contains a phosphorylation site for PK-C, and its activity is influenced by this phosphorylation. We are using a LexA based yeast two hybrid …
Recommended By Duncan Hines, Donna C. Parker, Jonathan J. Jeffrey
Recommended By Duncan Hines, Donna C. Parker, Jonathan J. Jeffrey
SCL Faculty and Staff Publications
Businessman, salesman, kitchen inspector, lover of comfortable lodgings, and connoisseur of good food - - this was the man Duncan Hines. This presentation explores the life and work of Duncan Hines from his days growing up in Warren County, Kentucky, through his career as a travel writer, and finally to his rise as a brand name in the world of packaged goods. The presentation highlights scenes from The Kentucky Library and Museum exhibit “Recommended by Duncan Hines.”
Drought And Salinity Tolerance In Common Agrostis Species., Carol Auer, Collin Ahrens
Drought And Salinity Tolerance In Common Agrostis Species., Carol Auer, Collin Ahrens
Plant Science Presentations and Proceedings
Our research examines plant gene flow and the impacts from environmental release of genetically-modified plants. Plant gene flow is a natural process that occurs when pollen from one plant lands on the flower of another plant and produces a hybrid offspring. Gene flow can produce hybrid offspring with new traits that could change the ability of the plant to survive and spread. If hybrid offspring have some advantage in the environment, they could become invasive and/or affect other components of our ecosystems. In the near future, the federal government may approve the use of a genetically engineered herbicide-resistant (HR) Agrostis …
If Hybrids Go Wrong: Assessing Potential Environmental Risk From Release Of Herbicide-Resistant Creeping Bentgrass (Agrostis)., Carol Auer, Collin Ahens
If Hybrids Go Wrong: Assessing Potential Environmental Risk From Release Of Herbicide-Resistant Creeping Bentgrass (Agrostis)., Carol Auer, Collin Ahens
Plant Science Presentations and Proceedings
Genetically-modified (GM) plants need to be assessed for their benefits and risks before they are released into the environment. At present, GM grasses are being developed to improve sports turf and biofuels crops (e.g. switchgrass). How will genetic engineering of perennial grasses alter the distribution of these grasses in natural areas and managed landscapes? Can we use research data to predict future gene flow, weediness, or invasion? These are some of the important questions in ecological risk assessment of GM perennial grasses. We have initiated five research projects to characterize gene flow and potential ecological risk from herbicide-resistant (HR) creeping …
Annotation Of The Bacteriophage 933w Genome: An In-Class Interactive Web-Based Exercise, Kai F. Hung
Annotation Of The Bacteriophage 933w Genome: An In-Class Interactive Web-Based Exercise, Kai F. Hung
Faculty Research & Creative Activity
No abstract provided.
Eutrophication In Farmington Bay And Its Potential Impacts On Wildlife, Wayne A. Wurtsbaugh
Eutrophication In Farmington Bay And Its Potential Impacts On Wildlife, Wayne A. Wurtsbaugh
Watershed Sciences Faculty Publications
No abstract provided.
The Economics Of Water Utilization: Tools And Applications, Matt Bogard
The Economics Of Water Utilization: Tools And Applications, Matt Bogard
Agriculture Department Seminar Series
Given worldwide problems of access to safe potable water, this presentation examines how tools of economics can aid in drafting appropriate mitigating policies. Utilizing partial equilibrium analysis, it demonstrates the role that prices play in social coordination and then applies the framework to real world examples. In addition it examines Pigouvian Taxation and Coasean Bargaining as two classic methods for dealing with externalities in the context of water pollution. Second-best solutions such as tradable permits and metered pricing by public utilities are discussed. This presentation concludes by examining the issues and challenges that policy makers face when trying to implement …
Examinations Of Future Time Perspective, Self Determination Theory, And Self-Talk As Correlates Of Exercise Behavior, Thomas Desena
Examinations Of Future Time Perspective, Self Determination Theory, And Self-Talk As Correlates Of Exercise Behavior, Thomas Desena
Student Research Conference Select Presentations
No abstract provided.
A Study Of Environmental Factors Influencing Obesity In The Workplace, Jagdish Khubchandani, Crystal Rowland
A Study Of Environmental Factors Influencing Obesity In The Workplace, Jagdish Khubchandani, Crystal Rowland
Student Research Conference Select Presentations
A research project that aims to conduct focus groups in an industrial setting which will provide information to design surveys on “employees perceptions of environmental factors that influence obesity at workplace”
Attentional Focus, Intensity, & Level Of Expertise, Diana Gieske, Melissa Abo, Dustin Strupp
Attentional Focus, Intensity, & Level Of Expertise, Diana Gieske, Melissa Abo, Dustin Strupp
Student Research Conference Select Presentations
No abstract provided.
Group Production Manipulations Influence Decision Criteria In Group Brainstorming, Bryan Thomas Hall, Brandy Johnson
Group Production Manipulations Influence Decision Criteria In Group Brainstorming, Bryan Thomas Hall, Brandy Johnson
Student Research Conference Select Presentations
No abstract provided.
Motor Interference On Memory Tasks, Brandy Johnson
Motor Interference On Memory Tasks, Brandy Johnson
Student Research Conference Select Presentations
No abstract provided.
Perceived Purpose Of Midterm Evaluations And The Effect On Student Responses, Andrew Caudill
Perceived Purpose Of Midterm Evaluations And The Effect On Student Responses, Andrew Caudill
Student Research Conference Select Presentations
No abstract provided.
Integration Of Gis And Bentgrass Ecology For Ecological Risk Assessment., Carol Auer, Collin Ahrens
Integration Of Gis And Bentgrass Ecology For Ecological Risk Assessment., Carol Auer, Collin Ahrens
Plant Science Presentations and Proceedings
All new technologies carry both benefits and risks. Genetically-modified plants must be assessed before they are released into the environment. Our research examines plant gene flow and the potential impacts from environmental release of genetically-modified plants. Plant gene flow is a natural process that occurs when pollen from one plant lands on the flower of another plant and produces a hybrid offspring. Gene flow can produce hybrid offspring with new traits that could change the ability of the plant to survive and spread. If hybrid offspring have some advantage in the environment, they could become invasive and/or affect other components …
Growth Parameters For Syringomycin Production In Pseudomonas Syringae Strain M1, Nathaly M. Carranza
Growth Parameters For Syringomycin Production In Pseudomonas Syringae Strain M1, Nathaly M. Carranza
Biology Posters
The cyclic lipodepsinonapeptide syringomycin E (SRE) produced by Pseudomonas syringae is being developed as a natural product agrofungicide. The purpose of this research is to identify the most effective P. syringae growth parameters for SRE production. P. syringae strain M1 was grown in 2L capacity fermenters and in capped test tubes both with agitation. A variety of compounds, including amino acids that are components of SRE, were added to the growth medium to study their effects on SRE production. L-histidine was found to be the best amino acid for promoting SRE production. Strain M1 extracts had strong antifungal activities. SRE …
Genetic Modification Of Host Acceptance By A Seed Beetle: Quasi-Natural Vs. Artificial Selection, Meagan Bridges, Jake Jones, Amberleigh Muller, Frank J. Messina
Genetic Modification Of Host Acceptance By A Seed Beetle: Quasi-Natural Vs. Artificial Selection, Meagan Bridges, Jake Jones, Amberleigh Muller, Frank J. Messina
Biology Posters
Many plant-feeding insects use a fairly well-defined set of hosts, but are occasionally observed on an atypical host. The seed beetle Callosobruchus maculatus infests several grain legumes, especially Vigna spp. It has rarely been reported to attack lentil, a distant relative of its typical hosts (Credland, 1987). In three previous mass-selection experiments, we showed that larval survival in lentil increased rapidly after a bottleneck, from 70% in only 5-7 generations. Host shifts by insects may also require modification of egg-laying behavior. Initial assays confirmed that most C. maculatus females fail to recognize lentil as a potential host. We used both …
Pattern Of Genetic Recovery In Daphnia Populations Following Experimental Removal Of Fish, Jaewook Chung, Leigh C. Latta, Iv, Michael E. Pfrender
Pattern Of Genetic Recovery In Daphnia Populations Following Experimental Removal Of Fish, Jaewook Chung, Leigh C. Latta, Iv, Michael E. Pfrender
Biology Posters
The establishment and maintenance of high levels of genetic diversity is an important consideration for populations that have experienced recent demographic collapse. Populations that have undergone demographic contraction or have been recently established generally lack standing adaptive variation. The level of adaptive genetic variation is a key determinant of population persistence, especially in changing environments, since dramatic changes in environmental conditions or community composition may impose severe or novel selective pressures. We obtained data for nuclear markers and conducted a common-garden experiment to assess the current levels of molecular genetic variation. Our results suggest that in the approximately eight years …
Activated Carbon Open Circuit Potential Shifts In Aqueous Solutions, Mikhail M. Goldin, Gary Blanchard, Alexander Volkov, Mogely Khubutiya, Vladimir Kolesnikov, Anatoly Evseev, Mark Goldin
Activated Carbon Open Circuit Potential Shifts In Aqueous Solutions, Mikhail M. Goldin, Gary Blanchard, Alexander Volkov, Mogely Khubutiya, Vladimir Kolesnikov, Anatoly Evseev, Mark Goldin
Faculty Publications and Presentations
Interaction of certain organic compounds with activated carbon and its effect on the carbon open circuit potentials were studied. It was shown that shifts in open circuit potentials depended on the filling of the activated carbon surface. Whereas adsorption of the investigated compounds on the carbon led to positive potential shifts, their elimination (desorption) from carbon surface led to shifts in the opposite direction. It was also observed that the time dependence of potential shifts is similar for different carbon brands. The magnitude of shifts depended on adsorption activity and porometric characteristics of the carbon adsorbent, as well as the …
Assessment Of Whole Grain Intake And Health Correlates In An Aging Population, Alexis Howard
Assessment Of Whole Grain Intake And Health Correlates In An Aging Population, Alexis Howard
Senior Honors Projects
Research suggests that whole grain intake may decrease the risk of heart disease, type II diabetes, hypertension, obesity, and many types of cancer. The overall goal of this work is to increase the health status of an older adult population through comprehensive nutrition risk assessment and exposure to tailored nutrition education interventions. This project involved assisting in baseline and post-intervention assessment of the knowledge, attitude, and intake of whole grain foods within a convenience sample of fifty-eight older adults residing in low-income housing sites across Rhode Island. Anthropometry, including height, weight, waist circumference, and blood pressure was measured, along with …
When Hybrids Go Wrong. How Hybridization Can Create Invasive Species., Carol Auer, Collin Ahrens
When Hybrids Go Wrong. How Hybridization Can Create Invasive Species., Carol Auer, Collin Ahrens
Plant Science Presentations and Proceedings
Gene flow is the movement of genes from one plant population to another. Gene flow is a natural process and a part of plant evolution. There are two ways for gene flow to occur in plants. The first is through sexual reproduction – pollen lands on a flower and a viable seed develops. The second method is through dispersal of seeds and/or vegetative plant parts (e.g. stolons, rhizomes). Gene flow can produce hybrid offspring with an increased or decreased ability to survive in the landscape. If hybrid offspring have some advantage in the environment, they could become invasive. This poster …
Nmr Investigations Of Natural Organic Matter In Forest Ecosystems, Chris E. Johnson
Nmr Investigations Of Natural Organic Matter In Forest Ecosystems, Chris E. Johnson
Civil and Environmental Engineering - All Scholarship
No abstract provided.
Landscape Patterns Of Streams & Lakes In Montane Watersheds Determine Water Temperatures & Nutrient Transport: Watershed Analyses And N Tracer Experiments, Wayne A. Wurtsbaugh, J. Garrett, G. Burkart, W. Fleenor, K. Nydick, R. Hall, Michelle A. Baker
Landscape Patterns Of Streams & Lakes In Montane Watersheds Determine Water Temperatures & Nutrient Transport: Watershed Analyses And N Tracer Experiments, Wayne A. Wurtsbaugh, J. Garrett, G. Burkart, W. Fleenor, K. Nydick, R. Hall, Michelle A. Baker
Watershed Sciences Faculty Publications
In glaciated mountains, lakes are interspersed through watersheds and connected by streams. Although lakes or streams are frequently studied as individual water bodies, studying them as integrated functional units provides considerable insight on temperature patterns, nutrient transport and other functions. In the Sawtooth Mountains (Idaho), inter-lake distance averages 2.8 km. In summer, lakes are solar collectors, and warm outflow streams as much as 10 C, thus increasing metabolic rates. These streams seldom cool to equilibrium temperatures before encountering another lake, where the waters tend to overflow and mix into the epilimnion. With overflow, N-15 tracer experiments demonstrated that water and …
Nitrogen Transport Through Linked Stream-Lake Systems Measured With N Tracer, Wayne A. Wurtsbaugh, Koren Nydick, Michelle A. Baker, Bob Hall
Nitrogen Transport Through Linked Stream-Lake Systems Measured With N Tracer, Wayne A. Wurtsbaugh, Koren Nydick, Michelle A. Baker, Bob Hall
Watershed Sciences Faculty Publications
No abstract provided.
Power, Privilege, And Special Interests: Rent Seeking And Subsidies In Agriculture, Matt Bogard
Power, Privilege, And Special Interests: Rent Seeking And Subsidies In Agriculture, Matt Bogard
Agriculture Department Seminar Series
This presentation covers what Public Choice economists refer to as ‘rent seeking,’ generally seeking favor or special privilege from government through subsidies or regulatory advantages. Particularly, the biotech industry is the area of focus for this presentation. Problems with rent seeking in the biotech industry involve less innovation and industry consolidation. Policies related to biotech regulation, school lunch programs, the Clean Air Act, and ethanol subsidies are discussed. A game theoretic approach is used and it is concluded that issues related to rent seeking and special interests are not adequately addressed by recent campaign finance reform efforts. Alternatives such as …
Topo-Morphometric Analysis Of Lake-Stream Interactions In Alpine Watersheds, Wayne A. Wurtsbaugh, Michelle A. Baker
Topo-Morphometric Analysis Of Lake-Stream Interactions In Alpine Watersheds, Wayne A. Wurtsbaugh, Michelle A. Baker
Watershed Sciences Faculty Publications
No abstract provided.