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Mathematical Studies Of The Glucose-Insulin Regulatory System Models., Minghu Wang
Mathematical Studies Of The Glucose-Insulin Regulatory System Models., Minghu Wang
Electronic Theses and Dissertations
Three dynamic models are proposed to study the mechanism of glucose-insulin regulatory system and the possible causes of diabetes mellitus. The progression of diabetes comes along with the apoptosis of pancreatic beta-cells. A dynamical system model is formulated based on physiology and studied by geometric singular perturbation theory. The analytical studies reveal rich analytical features, such as persistence of solutions, Hopf bifurcation and backward bifurcation, while numerical studies successfully fit available longitudinal T2DM data of Pima Indian tribe. These studies together not only validate our model, but also point out key intrinsic factors leading to the development of T2DM. We …
Testing The Chronic Care Model For Depression In Homebound Older Adults., Brittney Rose Getz
Testing The Chronic Care Model For Depression In Homebound Older Adults., Brittney Rose Getz
Electronic Theses and Dissertations
Homebound older adults are a unique population of older adults with many chronic illnesses and complex care needs (Qui et al., 2010). Depression is highly prevalent in homebound older adults (Qui et al., 2010). Many Chronic Care Models (CCMs) have been developed to provide a better system of care to those with chronic health conditions (Bodenheimer, Wagner, & Grumbach, 2002; Wagner et al., 2001; Wagner, Austin, & Von Korff, 1996a, 1996b). The Chronic Care Model for Depressed Homebound Older Adults is a model that was specifically designed for the depressed homebound elderly. It addresses many areas for improvement of care …
Comparison Of External Kinetic And Kinematic Variables Between High Barbell Back Squats And Low Barbell Back Squats Across A Range Of Loads, Jacob Goodin
Electronic Theses and Dissertations
This study compared peak force, peak power, peak velocity, impulse, work, and vertical displacement between the high bar back squat (HBBS) and low bar back squat (LBBS). Six trained males performed each using 20, 30, 40, 50, 60, 70, 80, and 90% of their recent training 1 repetition maximum. Dual force plates recorded force-time curve characteristics of ground reaction forces and four potentiometers tracked vertical and horizontal barbell displacement. Repeated–measures analysis of variance revealed a significant main effect for load (p<0.01) across all variables, but no significant effects for condition or interaction. The HBBS generated higher peak force in loads 20%–80%, higher peak power in loads 20%–60% and 80%–90%, higher peak velocity at every load, and greater vertical displacement at every load. The LBBS generated a larger impulse at loads 30%-90% and the HBBS generated more work at loads 20%, 40%, and 60%–90%.
Metabolic Profiles Of Household Pseudomonas Species Groups., Ogochukwu S. Onyiri
Metabolic Profiles Of Household Pseudomonas Species Groups., Ogochukwu S. Onyiri
Electronic Theses and Dissertations
Resources influence the distribution, behavior, growth and reproduction of bacterial species. Understanding how closely related species utilize resources will shed light on the ecological traits or principles that shape biogeographic patterns and promote coexistence of species. Twelve Pseudomonas strains isolated from a single human home and PA01, the standard laboratory strain were evaluated in Luria Bertani media to understand whether their growth traits are influenced by their species group and/or their environment of isolation. Total growth, growth rate, early cumulative area under the growth curve (CUC) over 48 hours and viability (viable bacteria count per ml) at 24 and 48 …
Online Coursework As Related To Graduation Rates Of At-Risk Students In A Rural Public High School In Bedford County, Tennessee, Robert E. Ralston
Online Coursework As Related To Graduation Rates Of At-Risk Students In A Rural Public High School In Bedford County, Tennessee, Robert E. Ralston
Electronic Theses and Dissertations
The purpose of this study was to determine if there was a significant relationship between the academic achievement, disciplinary referrals, and attendance of at-risk students in rural Bedford County, TN, prior to and after participation in online coursework. The independent variables were the academic achievement towards successful course completions, disciplinary referrals, and attendance rates of at-risk students. The dependent variable was the participation in online coursework in Bedford County Schools (BCS) Online On-track (OLOT) program. A series of ttests and a chi-square analyses was performed to examine the differences in the mean course completion rates, discipline referrals, attendance rates, and …
Aging In Place: Perceptions Of Older Adults On Low Income Housing Waitlists, Angela L. Lavery
Aging In Place: Perceptions Of Older Adults On Low Income Housing Waitlists, Angela L. Lavery
Electronic Theses and Dissertations
Many American older adults with low incomes wait years for affordable housing or housing assistance. Insight is needed on the concerns of older adults who need to move but cannot. In addition, within the study of aging in place, there is a paucity of research regarding older adults with low incomes. The purpose of this study was to explore the perceptions and experiences of aging in place from the perspective of older adults with low incomes, and to understand the process in making the decision to move to agesegregated housing. The purpose incorporated an examination of potential oppressive factors that …
Impact Of Numeracy On Parental Self-Efficacy And Treatment Outcome Of Children On Complex Diets., Diana Cardina Pantalos
Impact Of Numeracy On Parental Self-Efficacy And Treatment Outcome Of Children On Complex Diets., Diana Cardina Pantalos
Electronic Theses and Dissertations
Health numeracy, a counterpart to health literacy, can be a mediator of health disparities. This study analyzed the impact of both cognitive and affective numeracy on the pathway linking health behavior to health outcomes, and the role of self-efficacy in this relationship, based on the Health Belief Model. The context was parental management of children's complex diets that require numerical calculations. Parents of children ages 12 months to 12 years with type 1 diabetes (T1D) or phenylketonuria (PKU) were recruited at clinics or community events in east-central states. Ninety-eight participants completed a standardized test of math skills, an instrument to …
The Relationship Between Financial Empowerment And Health Related Quality Of Life In Family Scholar House Participants., Chelsey Erbaugh Franz
The Relationship Between Financial Empowerment And Health Related Quality Of Life In Family Scholar House Participants., Chelsey Erbaugh Franz
Electronic Theses and Dissertations
The Family Scholar House program was a unique intervention designed to stop the cycle of poverty by providing college education and support to single parents. The different aspects of the Family Scholar House program addressed each of the five social determinants of health (economic stability, education, social and community context, health care, and neighborhood and built environment). Results of the studies showed that participant’s mental health and general health rating, as measured by a health-related quality of life survey, improved during the time in the Family Scholar House program. Upon graduation from the program, the mental health and the health …
Implementation Of Break Time For Employee Nursing Mothers At The University Of Louisville : A Case Study., Robin Elise Weiss, 1971-
Implementation Of Break Time For Employee Nursing Mothers At The University Of Louisville : A Case Study., Robin Elise Weiss, 1971-
Electronic Theses and Dissertations
This dissertation is a mixed methods look at the barriers to successful implementation of the Break Time for Nursing Mothers provisions of the Affordable Care Act (ACA) at an upper southern-midwestern university. As public health and medical officials push the desire for an increase in breastfeeding initiation and duration, many mothers must overcome barriers within the employment arena. Previous work has failed to look at how the university setting presents unique challenges with a diverse workforce, varied jobs, and differing space availability. In other settings, barriers have been identified; the goal of this dissertation was to identify what the specific …
The Influence Of Child Physical Activity Programs On Parent Physical Activity In A Rural Community., Katie F. Leslie
The Influence Of Child Physical Activity Programs On Parent Physical Activity In A Rural Community., Katie F. Leslie
Electronic Theses and Dissertations
Introduction: In 2008, a coalition of community leaders and parents sought to increase access to physical activity opportunities for residents of Meade County, a rural Kentucky community. To date, the Meade Activity Center has implemented a variety of year-round programs conducted at borrowed spaces from local schools that have targeted children, utilizing the strategy to first engage children as a way to extend behavior change to other members of the community. This study assessed the influence of child participation in physical activity programs on parent physical activity, and determined potential methods of intervention to increase adult physical activity in a …
The Evolution And Ecology Of Individual Specializations Amongst A Group Of Dietary Generalists., Carl S. Cloyed
The Evolution And Ecology Of Individual Specializations Amongst A Group Of Dietary Generalists., Carl S. Cloyed
Electronic Theses and Dissertations
This dissertation examines individual diet specializations (IS) in a group of ecologically similar and evolutionarily related frogs and toads. Individual specialization is known to have widespread ecological and evolutionary effects. In an initial literature review (Chapter 2) I build a comprehensive theoretical framework showing how different types of population diversity can help, halt, or hinder sympatric speciation. I argue that IS can be maintained indefinitely in populations yet fail to lead to speciation because it is influenced by ecological conditions that may change. Additionally, IS can potentially aid niche partitioning among similar species, increasing species coexistence and resulting in less …
Vitamin A Is Essential For Proper Embryonic Submandibular Salivary Gland Growth., Deanna Ellene Buenger
Vitamin A Is Essential For Proper Embryonic Submandibular Salivary Gland Growth., Deanna Ellene Buenger
Electronic Theses and Dissertations
Submandibular salivary glands (SMG) are important for the production of saliva. Salivary glands may be damaged by autoimmune disease, surgery, or radiation therapy. Retinoic acid (RA) is a signaling metabolite derived from Vitamin A that is essential for proper embryonic growth and development; specifically for cardiovascular, limb and craniofacial development. The goal of this study was to determine if there is a reproducible defect in the growth of SMGs in RA deficient mouse embryos compared to wild type. This study aims to characterize SMG growth in RA deficient embryos and determine if the growth could be stimulated by RA in …
The Relationship Between Student Perceptions Of Classroom Climate And Tvaas Student Achievement Scores In Title I Schools, Lesley Fleenor
The Relationship Between Student Perceptions Of Classroom Climate And Tvaas Student Achievement Scores In Title I Schools, Lesley Fleenor
Electronic Theses and Dissertations
The purpose of this quantitative correlational study was to examine the relationship between student perceptions of classroom climate and student growth in high-poverty schools. More specifically, this study analyzed the relationship between Tripod Student Perception Survey classroom favorability ratings and Tennessee Value-Added Assessment System (TVAAS) gain scores for students in grades 3 through 8 in a medium-sized school district in Northeast Tennessee during the 2012-2013 academic year. The data were gathered from approximately 1,500 fourth and fifth grade students from 6 elementary schools and 2 K-8 schools as well as approximately 1,300 sixth, seventh, and eighth grade students from 3 …
Effects Of Select Vitamin E Isoforms On The Production Of Polyunsaturated Fatty Acid Metabolites In Colorectal Cancer, Martha A. Borketey
Effects Of Select Vitamin E Isoforms On The Production Of Polyunsaturated Fatty Acid Metabolites In Colorectal Cancer, Martha A. Borketey
Electronic Theses and Dissertations
Vitamin E exhibits anti-tumor activity by regulating pathways in cancer cells, potentially the lipoxygenase (LOX) pathway. We studied the effects of alpha tocopherol (AT), gamma tocopherol (GT), gamma tocotrienol (GT3), and an alpha-gamma tocopherol mixture (ATGT) on the production of the LOX metabolites 13-hydroxyoctadecaenoic acid (HODE), 15-hydroxyeicosatetraenoic acid (HETE), 12-HETE, and 5-HETE in colorectal cancer. These metabolites were examined in the HCT-116 cell line after 24 h treatment with select vitamin E isoforms and quantified by LC/MS/MS. Under physiological conditions, we find that treatment with varying vitamin E isoforms have different effects on the production of 13-HODE, 15-HETE, 12-HETE, and …
Obstacles, Transitions, & Perspectives: An In-Depth Look At The Spectacle Of Deviant Bodies, Taylor C. Manning
Obstacles, Transitions, & Perspectives: An In-Depth Look At The Spectacle Of Deviant Bodies, Taylor C. Manning
Electronic Theses and Dissertations
This autoethnographic study is an attempt to humanize the deviant behaviors and bodies of eating disordered and physically disabled persons in Western culture. The narratives included within are from the author’s own personal experiences as a heterosexual, eating disordered, disabled man. The narratives unfold chronologically in ways that explicate the transitions between identities and the onset and acceptance of each. The goal of this study is to unveil aspects of both eating disorders and disabilities as they relate to the locus of attention surrounding individuals that experience them. The researcher argues that the attention a deviant body draws from others …
Training Clinical Judgment Skills For Interpreting Feeding Behavior In Preterm Infants: A Comparison Of Video And In Vivo Simulation, Jamesa R. Ewing
Training Clinical Judgment Skills For Interpreting Feeding Behavior In Preterm Infants: A Comparison Of Video And In Vivo Simulation, Jamesa R. Ewing
Electronic Theses and Dissertations
Health and feeding outcomes for preterm infants depend upon healthcare providers’ ability to recognize non-verbal signs of distress during bottle-feeding. Methods of training future providers’ to interpret feeding behavior in preterm infants are unclear. This study used a pre-test/post-test design to compare the effects of in- vivo simulation and video-simulation training on students’ knowledge of feeding abnormalities, clinical judgment, and documentation accuracy. Fifty-two graduate level speech-language pathology students were assigned to the in-vivo (N= 27) or video-simulation (N= 25) group. Results revealed that both methods proved beneficial for increasing knowledge and clinical judgment skills. Participants trained using video-simulation training documented …
Academic Performance Among Homeless Students: Exploring Relationships Of Socio-Economic And Demographic Variables, Miriam Moore
Academic Performance Among Homeless Students: Exploring Relationships Of Socio-Economic And Demographic Variables, Miriam Moore
Electronic Theses and Dissertations
This study examines homeless student academic performance, types of temporary housing used among the homeless, degree of stability or instability for families with school-aged children, child needs for academic success, the importance of parental involvement in a child's academic growth, and other known factors in relations to child student academic performance, with a focus on grade level and racial differences. A multiple linear regression model is used to test the hypotheses while controlling confounding variables. Statistically significant relationships are reported between race and academic performance, and grade level and academic performance. Practical and policy implications are discussed, as well as …
Empowering Students To Care: An Edible Garden And Farm Education Approach, Shannon C. Mcqueen
Empowering Students To Care: An Edible Garden And Farm Education Approach, Shannon C. Mcqueen
Electronic Theses and Dissertations
Through this qualitative study, I want to add to the theoretical conversation about garden and farm education in schools and offer a starting point for a conversation surrounding care and gardening/farming in schools. The purpose of this study is to understand how teachers and students demonstrate care while implementing a garden and farm curriculum. Data collection included 15 participant interviews from students, staff, administrators, and school officials from a large public school district implementing garden and farm education lessons and observations of educators, farmers, and farm interns interacting with and instructing students in a weeklong Farm Camp environment. I utilized …
Sustainable Farming Versus Ethanol: A Comparison Of Energy Use, Brandon John Weiland
Sustainable Farming Versus Ethanol: A Comparison Of Energy Use, Brandon John Weiland
Electronic Theses and Dissertations
The subsidization of corn-ethanol has proven to not live up to the original promises made when it was promoted as gasoline additive. With research pointing to ethanol as a source of increased greenhouse gases emissions and other pollution while merely changing energy consumption, not decreasing it, an alternative that achieves the original goals of is sought. I propose that sustainable farming practices have the ability to decrease the United States’ dependence on fossil fuels while decreasing emissions and pollution related to farming. By looking at the adoption of 3 year rotations, fertilizer banding, and zero tillage farming in Iowa, Illinois, …
Engagement Management: A Case Study Of The Criteria And Processes Used To Identify, Evaluate, And Communicate Program Expectations For University Partnerships, Frederick E. Powers
Engagement Management: A Case Study Of The Criteria And Processes Used To Identify, Evaluate, And Communicate Program Expectations For University Partnerships, Frederick E. Powers
Electronic Theses and Dissertations
Over the years, American public university outreach and engagement programs and activities have been defined and managed in many different ways and at varying levels within the institutions. Some universities clearly define complex outreach and engagement objectives and visions in their mission and throughout the fabric of the institution; while other university's outreach and engagement objectives and visions are less refined and not as evident to the casual observer (Bonnen, 1998). While much has been studied and developed in terms of establishing and managing a university's outreach activities, very little research has been conducted with respect to the social, procedural, …
Promoting An Equitable Eating-Out Food Environment Through The Application Of A Food Justice Frame: A Case Study, Aj Bisesi
Electronic Theses and Dissertations
This case study examines the effectiveness of developing and applying a "food justice frame" as a mobilization tool to promote an equitable Eating-out Food Environment (EOFE) in an urban neighborhood of Pittsburgh. A mixed-methods approach was taken to gather material and perception data, culminating in a community action meeting to generate interventions. Findings show that a five-dimensional definition of access is appropriate and effective. The dimensions of accessibility and affordability were less important factors of eating-out behavior (EOB) than the other three dimensions (availability, acceptability, accommodation). Findings also show that the methods used addressed the concerns of both food access …
Shift Work And The United States Female Workforce: The Relationship Between Shift Work And Ill-Health Effects, Allison Marie Bondanza
Shift Work And The United States Female Workforce: The Relationship Between Shift Work And Ill-Health Effects, Allison Marie Bondanza
Electronic Theses and Dissertations
The present study was designed to determine the magnitude of the relationship between amount, frequency, and length of shift work completed by female transportation employees and the number, degree, and extent of problems related to physical, menstrual and psychological health including depression. It was hypothesized that workers that are employed in areas such as transportation who are working shift work on a regular basis place themselves at higher risk for developing health or psychosocial related effects. These health related outcomes can have a profound impact on an employee’s job performance, daily functioning, and personal life. The present study sought to …
Modern Capitalism And Food Commoditization: The Limitations Of Industrial Agriculture And The Challenges Of Sustainable Alternatives, Gerardo Patron-Cano
Modern Capitalism And Food Commoditization: The Limitations Of Industrial Agriculture And The Challenges Of Sustainable Alternatives, Gerardo Patron-Cano
Electronic Theses and Dissertations
Agriculture is an essential function of contemporary human life that is bound by nature. Therefore, economic, social, and environmental perspectives must be examined to identify the most sustainable agricultural systems. This thesis argues that agriculture should be divorced from capitalist economic principles regarding specialization, trade, and production scale. Such principles have supported industrialized growing methods, which have been economically, socially, and environmentally unsustainable. In order for agriculture to be sustainable and equitable, food systems need to be de-commoditized and removed from the capitalist market. Policies should target the local control of food systems by empowering communities to subsidize localized production-consumption …
Quantitative Assessment Of The Effects Of Microbial Degradation Of A Simple Hydrocarbon Mixture, Jessica Kindell
Quantitative Assessment Of The Effects Of Microbial Degradation Of A Simple Hydrocarbon Mixture, Jessica Kindell
Electronic Theses and Dissertations
Ignitable liquids consist of either a single organic compound or a complex organic mixture. In regards to fire debris analysis, the analyst is responsible for determining if an ignitable liquid residue is present. However, when extracted from soil-containing fire debris evidence, chemical degradation from microorganisms is observed to result in the loss of compounds based on chemical structure. It can also happen when the evidence container is stored at room temperature before analysis. This can present a challenge to the fire debris analyst when identifying and classifying the ignitable liquid residue based on the criteria established by standard test methods. …
Novel Solid-Phase Extraction Techniques For Biological And Environmental Analysis Using Isotope Dilution Mass Spectrometry, Andrew Boggess
Novel Solid-Phase Extraction Techniques For Biological And Environmental Analysis Using Isotope Dilution Mass Spectrometry, Andrew Boggess
Electronic Theses and Dissertations
Awareness and study of the ways in which the environment can interact with the personal genetics and epigenetics of an individual has grown substantially in recent years, resulting in the field of Exposomics. In an era of increasingly personalized medicine, novel techniques are necessary to ensure the accurate and sensitivity measurement of clinically and environmentally relevant molecules in biological and environmental samples. Addressing existing shortcomings cited in literature, methods were developed and optimized for the extraction, separation, mass analysis, and quantification of a suite of environmental organic pollutants in both biological and environmental samples, with the primary objective of improving …
Evolution Of Prostate Specific Gene Expression Associated With Post Copulatory Sexual Selection, Scott Hergenrother
Evolution Of Prostate Specific Gene Expression Associated With Post Copulatory Sexual Selection, Scott Hergenrother
Electronic Theses and Dissertations
Hominoid primate species differ remarkably in their social grouping and mating systems, notably including differing degrees of post-copulatory sexual selection. As the mating system of extinct hominins remains unknown and difficult to predict, it may be useful to examine more proximate phenotypes correlated with behavior. For example, chimpanzees and bonobos have a large ejaculate that coagulates into a rigid copulatory plug, presumably in response to high levels of sperm competition, while gorillas have a small semi-viscous ejaculate associated with low sperm competition. To understand the molecular basis responsible for differences in semen biochemistry among hominoid species, I completed two research …
Language Policy Implementers: Faculty Perspectives On Language Policy At A Southeastern U.S. University, Jordan Nicholas Troisi
Language Policy Implementers: Faculty Perspectives On Language Policy At A Southeastern U.S. University, Jordan Nicholas Troisi
Electronic Theses and Dissertations
Faculty members, as language policy implementers, retain significant control of the enactment of policy in local contexts. In order to better understand the relationship between de jure language policies at multiple levels of the policy hierarchy, in addition to faculty members? acceptance or rejection of these policies, this study investigated faculty perspectives on language policy, specifically at a southeastern university in the United States. This study employed multiple methods of research including a policy examination and a survey. These methods were selected in order to inspect de jure language policies at the national, state, governing board, and institutional level as …
Examination Of Accelerometer Reactivity Among Children, Adolescents, And Adults: Implications For Influencing Physical Activity Estimates, Proportion Meeting Physical Activity Guidelines, And Associations With Health Outcomes, Robert Eugene Davis
Electronic Theses and Dissertations
The health benefits of regular Physical activity (PA) have been rigorously documented and continue to be investigated from the standpoint of prevention, as well as, treatment of a multitude of adverse health outcomes including cardiovascular disease, obesity, sleep disorders, depressive symptomatology and countless others. In order to minimize subjectivity and more accurately measure PA behavior, researchers often use accelerometers. Although this method is considered valid and reliable a methodological issue that has rarely been addressed is the potential “reactivity” effect of measuring PA with an objective measure, such as accelerometry. Reactivity is a behavior change by the participant due to …
Beef Is Beef? An Actor-Network Analysis Of The 2012 Lftb Food Scare, Trenton Ellis
Beef Is Beef? An Actor-Network Analysis Of The 2012 Lftb Food Scare, Trenton Ellis
Electronic Theses and Dissertations
During March of 2012 a food scare erupted concerning the beef product lean finely-textured beef (LFTB) or, as it became pejoratively named, “pink slime.” This 2012 “pink slime” food scare resulted in major changes to the beef agrifood network including increases in U.S. ground beef imports and changes to ground beef purchasing policies in the public and private sectors. This dissertation utilized an actor-network theory-guided content analysis of videos produced by key network-buildings actors, ABC News and Beef Products Incorporated (BPI). The goal of the study was to uncover the process by which ABC News and BPI attempted to order …
Disciplinary Mythologies: A Rhetorical-Cultural Analysis Of Performance Enhancement Technologies In Sports, John Lamothe
Disciplinary Mythologies: A Rhetorical-Cultural Analysis Of Performance Enhancement Technologies In Sports, John Lamothe
Electronic Theses and Dissertations
In sports discourse, the relationship between athletics and technology is often paradoxical. On the one hand, modern sports rely on technology at every level, from training and tracking of players to the equipment and apparel used by athletes to the game strategies and playing fields themselves. Nearly all of these technologies are intended to increase athletic performance on some level. And yet, certain performance enhancement technologies can be criticized for being antithetical to the spirit of sports, which is framed as being a strictly natural and pure human endeavor. Using a rhetorical-cultural methodological approach, popular sports discourse is analyzed to …