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School Violence Is More Than Physical: Examining Predictors Of School Climate Using A National School-To-Prison Pipeline Survey, Michayla Mack Dec 2022

School Violence Is More Than Physical: Examining Predictors Of School Climate Using A National School-To-Prison Pipeline Survey, Michayla Mack

Theses and Dissertations

While a large body of literature exists related to discrimination in schools and the school-to-prison pipeline, few studies connect this literature to perceptions of school climate. The purpose of this study is to examine middle and high school students’ perceptions of school climate using an intersectional theoretical framework. Participants include 812 middle and high school students across the United States. Exploratory principal axis factor analysis included four subscales: perceptions of attachment to school staff, perceptions of school environment, perceptions of school belonging, and perceptions of effective school staff. Linear regressions for each subscale were performed, and gender, racial, sexuality, and …

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Metagenomic Analysis Of Root-Associated Microbiome Of Healthy And Taproot Decline-Affected Soybeans And Identification Of Healthy Soybean Root Endophytes With Protective Activity Against The Causal Agent, Xylaria Necrophora, Uyen Wesser Dec 2022

Metagenomic Analysis Of Root-Associated Microbiome Of Healthy And Taproot Decline-Affected Soybeans And Identification Of Healthy Soybean Root Endophytes With Protective Activity Against The Causal Agent, Xylaria Necrophora, Uyen Wesser

Theses and Dissertations

Plant roots are associated with a diverse microbial community of bacteria and fungi. The root microbiome communities associate with the root surface or penetrate the superficial layers of root tissues. It is of high agronomic interest to characterize root microbiomes and identify microbes with beneficial effects on plant defense against pathogens. Soybean taproot decline (TRD) is an emerging soil-borne disease caused by a fungus classified as Xylaria necrophora, challenging to control and with devastating effects on yield. Our group has initiated a study of the soybean root microbiome with three primary experiments: (I) perform a comparative study of root …

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Attitudes Towards Breastfeeding Among College Students At Mississippi State University, Kristin F. Williford Dec 2022

Attitudes Towards Breastfeeding Among College Students At Mississippi State University, Kristin F. Williford

Theses and Dissertations

Breastfeeding rates in America are lower than other high-income countries, with Mississippi having one of the lowest rates. A survey using the Iowa Infant Feeding Attitude Scale (IIFAS) was distributed twice to Mississippi State University students to understand their breastfeeding attitudes. Attitudes were determined by calculating a composite score and conducting statistical tests for significance. Knowledge between health and non-health related majors were explored by using five statements, and attitudes towards the statement “Breastmilk is the ideal food for babies” were compared across demographics. Of 642 respondents, the composite score was 57.3 out of 85, and all demographics had a …

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Unraveling The Anti-Inflammatory Mechanisms And Efficacy Of Cannabidiol On The Progression Of A Murine Model Of Multiple Sclerosis From The Innate To The Adaptive Immune System To Clinical Symptoms, Christa Marie Frodella Dec 2022

Unraveling The Anti-Inflammatory Mechanisms And Efficacy Of Cannabidiol On The Progression Of A Murine Model Of Multiple Sclerosis From The Innate To The Adaptive Immune System To Clinical Symptoms, Christa Marie Frodella

Theses and Dissertations

Cannabidiol (CBD), a non-psychotropic phytocannabinoid with structural similarity to Δ 9 -tetrahydrocannabinol (THC), is currently being investigated as a therapeutic for its immunosuppressive effects. One disease for which CBD is extensively researched is multiple sclerosis (MS), a demyelinating, autoimmune disorder, and its murine model counterpart, experimental autoimmune encephalomyelitis (EAE). The focus of this dissertation aimed to analyze the transcriptomic brain pathways in EAE and its comparison to MS in addition to CBD’s immunosuppressive mechanisms in the innate and adaptive immune systems. Evidence presented here showed that transcriptomic signaling pathways in the EAE brain of mice with clinical symptoms were similar …

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Evaluation Of Soybean [Glycine Max (L.) Merr.] Cultivar Response To Prophylactic Fungicide Application, Steven B. Stoker Dec 2022

Evaluation Of Soybean [Glycine Max (L.) Merr.] Cultivar Response To Prophylactic Fungicide Application, Steven B. Stoker

Theses and Dissertations

Soybean growers in the southern United States commonly deal with disease issues that can limit yield potential. As a result, growers have adopted prophylactic fungicide application targeted at specific growth stages as a standard management practice. However, yield responses to prophylactic applications have become sporadic over time. One major change that has occurred is adoption of cultivars with improved disease tolerances. Therefore, the objective of this research was to evaluate yield response of cultivars representing multiple genetic backgrounds to fungicides applied prophylactically at the R4 soybean growth stage. Experiments were conducted in 2020 and 2021 to determine the yield impact …

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Parent-Child Relationships And Parental Distress As Moderators Between Chronic Illness And Psychological Problems In Emerging Adults., Abigail Kukay Dec 2022

Parent-Child Relationships And Parental Distress As Moderators Between Chronic Illness And Psychological Problems In Emerging Adults., Abigail Kukay

Theses and Dissertations

The current study aimed to better understand how parental functioning and parent-child relationships might moderate the effects of chronic illness on psychological problems in emerging adulthood. Three hypotheses were made: (1) the presence and severity of chronic illness would associate positively with emerging adult psychological problems, (2) parental distress would moderate the effects between chronic illness presence/severity and emerging adulthood psychological problems, and (3) parent-child relationship quality would moderate the effects between chronic illness presence/severity and emerging adult psychological problems. Data analysis consisted of testing interaction effects, pairwise parameter comparisons, and multiple group analysis. The three-way interaction between endorsing a …

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Development Of A Crosslinked Osteochondral Xenograft And A Collagen Stabilizing Intra-Articular Injection To Remediate Cartilage Focal Lesions To Prevent Osteoarthritis, Mark Lewis Mosher Dec 2022

Development Of A Crosslinked Osteochondral Xenograft And A Collagen Stabilizing Intra-Articular Injection To Remediate Cartilage Focal Lesions To Prevent Osteoarthritis, Mark Lewis Mosher

Theses and Dissertations

Osteoarthritis is one of the most common causes of disability in adults in America. It is a progressive and degenerative disease where the articular cartilage is broken down and lost from the surfaces of bones causing chronic pain and swelling in the joints, and currently has no cure. The most commonly osteoarthritis starts from a focal lesion on the cartilage surface, which will expand on the surface and downwards through the thickness of the tissue. The current gold standard for correcting cartilage focal lesions is the osteochondral autograft/allograft transplantation (OAT), which replaces the defect with a fresh osteochondral graft. The …

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Microstructure And Sensory Attributes Of Rabbiteye Blueberries Subject To Osmotic Dehydration And Two Freezing Methods, Antonio Carlos Garcia Dec 2022

Microstructure And Sensory Attributes Of Rabbiteye Blueberries Subject To Osmotic Dehydration And Two Freezing Methods, Antonio Carlos Garcia

Theses and Dissertations

Frozen, thawed and osmotically-dehydrated highbush (HB) (Vaccinium corymbosum) and rabbiteye (RB) (V. virgatum) blueberries were analyzed under a scanning electron microscope (SEM) to observe microstructural differences in their skin. Rabbiteye blueberries of both frozen, thawed and osmotically-dehydrated treatments, had thicker skins than highbush blueberries. Rabbiteye blueberries, collected from local farms, packed and blast frozen (PBF), had thinner skins than individually quick-frozen (IQF) blueberries. Washing berries prior to freezing had no effect on skin thickness. Sensory analysis of samples determined there were no differences (p > 0.05) between PBF and IQF methods and species with respect to skin intactness, grittiness, sweetness, and …

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How Universities Use Twitter To Communicate About Mental Health, Sarah Elizabeth Polhill Dec 2022

How Universities Use Twitter To Communicate About Mental Health, Sarah Elizabeth Polhill

Theses and Dissertations

From a sample of over three million tweets from universities in the US, we described the characteristics of universities' communication about mental health on Twitter, including common keywords, bigrams, linked resources, and hashtags, as well as the frequency of dialogic communication and mental health tweets over time, especially in the context of the COVID-19 Pandemic. This study uses data mining to collect tweets from official university Twitter accounts and selected accounts of university wellness and counseling programs. Relevant tweets were collected from a large sample using keywords and bigrams relevant to mental health from the Twitter accounts of IACS accredited …

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Additively Manufactured Lenses For Modulating Guided Waves In Laminated Composites, Hajar Righi Dec 2022

Additively Manufactured Lenses For Modulating Guided Waves In Laminated Composites, Hajar Righi

Theses and Dissertations

Composite materials have increasingly been used as an alternative to metals and other isotropic materials for primary structural components in aerospace industries. Unlike traditional isotropic materials, composite materials are known to have complex internal microstructures. Therefore, it is essential to develop methods for the inspection, evaluation, and monitoring of composite materials. Ultrasonic-guided waves and, more precisely, Lamb waves have proven to be an efficient and accurate technique for the non-destructive testing. Since guided waves are dispersive and multimodal, it is important to develop a practical method to manipulate Lamb waves to achieve better structural health monitoring and non-destructive inspection results. …

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Vegetation And Nutritional Changes Over 20 Years Of White-Tailed Deer Exclusion, Gabrielle Nicole Ripa Dec 2022

Vegetation And Nutritional Changes Over 20 Years Of White-Tailed Deer Exclusion, Gabrielle Nicole Ripa

Theses and Dissertations

Knowledge of the impacts of white-tailed deer (Odocoileus virginianus; hereafter deer) as dominant herbivores throughout the Southeastern United States of America is lacking. To address this, three paired experimental units of exclosures and controls were constructed in 2000 on three Wildlife Management Areas across Mississippi within the ecoregions of the Upper Coastal Plain, Lower Coastal Plain, and the Mississippi Alluvial Valley. Vegetation was sampled in the summers of 2000, 2005, and 2021 including vegetation structure, canopy coverage, basal area, and species composition. Additionally, in 2005 and 2021, biomass was sampled to determine potential impacts on nutritional carrying capacity. Among the …

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Molecular And Phenotypic Characterization Of Escherichia Coli Isolated From Broiler Chicken Flocks In Mississippi, Priyanka Devkota Dec 2022

Molecular And Phenotypic Characterization Of Escherichia Coli Isolated From Broiler Chicken Flocks In Mississippi, Priyanka Devkota

Theses and Dissertations

Avian pathogenic Escherichia coli (APEC) is the causative agent of colibacillosis. APEC causes significant economic losses to the poultry industry. In this study, 66 E. coli isolates were collected from broiler flocks across Mississippi and categorized as clinical and non-clinical isolates. Genotypic and phenotypic characterization of virulence factors and antimicrobial resistance profiles of these E. coli were examined. The data disclosed a higher prevalence of virulence genes in clinical isolates than in non-clinical isolates. High differences on the genotypic and phenotypic antimicrobial resistance among clinical and non-clinical isolates were observed. Whole genome sequences of avian E. coli elaborated a diverse …

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Losing Longleaf: Forestry And Conservation In The Southern Coastal Plain, Fraser Livingston Dec 2022

Losing Longleaf: Forestry And Conservation In The Southern Coastal Plain, Fraser Livingston

Theses and Dissertations

From the end of Reconstruction to the beginning of World War II, no other ecological change affected as great a part of the southern landscape as the loss of the longleaf pine from the southeastern coastal plain. This dissertation examines the causes and consequences of the species’ disappearance. In the span of just decades, lumber operations and naval stores producers descended upon longleaf pine woodlands with a voracious appetite that greatly contributed to the demise of the pine. However, as this dissertation argues, exploitation by the hands of the timber and turpentine industries was not the only agent that transformed …

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Empathy And Cultural Involvement As Pathways To Resilience In The Face Of Adverse Childhood Experiences Among Native American Indians, Joy Rodriguez Dec 2022

Empathy And Cultural Involvement As Pathways To Resilience In The Face Of Adverse Childhood Experiences Among Native American Indians, Joy Rodriguez

Theses and Dissertations

The purpose of this research study was to examine two specific pathways to resilience for Native American Indians (NAIs) that have experienced at least one adverse childhood experience (ACE) and are seeking behavioral health services on the Choctaw Indian reservation: empathy and cultural involvement. The study is an examination of the effects of empathy and cultural involvement on the resilience of NAIs with one or more ACEs. The researcher also investigated the type of ACEs reported among adult NAIs seeking behavioral health services on the Mississippi Band of Choctaw Indian (MBCI) Reservation. Lastly, the association between ACEs and resilience was …

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School-Based Agricultural Education Teachers: Self-Efficacy With Face-To-Face, Remote, And Hybrid Instruction And Perceptions Of Professional Development Regarding Technology Integration, Gayle Clark Dec 2022

School-Based Agricultural Education Teachers: Self-Efficacy With Face-To-Face, Remote, And Hybrid Instruction And Perceptions Of Professional Development Regarding Technology Integration, Gayle Clark

Theses and Dissertations

This three-article dissertation examined the perceptions of school-based agricultural education teachers in Tennessee, Mississippi, and Alabama on self-efficacy and professional development activities since the onset of the COVID-19 pandemic. The first article was an examination of teacher self-efficacy in delivering instruction in three classroom settings: face-to-face, remote, and hybrid, which is a combination of face-to-face and remote simultaneous instruction. The second was a descriptive study of teacher experiences and perceptions of professional development activities related to instructional technology over the past two years. The third article examines the correlation between each of the teacher self-efficacy instructional setting constructs and perceptions …

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An Evaluation On The Effects Of Additions And Deletions Of Specific Nutrient Management Strategies On Corn Yield At Different Plant Densities, James D. Dew Dec 2022

An Evaluation On The Effects Of Additions And Deletions Of Specific Nutrient Management Strategies On Corn Yield At Different Plant Densities, James D. Dew

Theses and Dissertations

Improved management strategies are needed to increase yield production and quality. The study aimed to determine suitable cultural practices for improved corn production. Experiments were set up at Verona and Stoneville, Mississippi, from 2020 to 2022. Treatments included row configurations (single and twin-row), plant populations (79,000 and 99,000 seeds ha-1), and six combinations of nutrients with or without fungicide. The nutrients evaluated were two nitrogen rates 235 and 314 kg N ha-1, phosphorus 45 kg P ha-1, potassium 112 kg K ha-1, sulfur 22 kg S ha-1, and zinc 11 kg Zn ha-1, and fungicide at 272 ml ha-1. In …

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Evaluation Of Warm Season Vegetables Using Sustainable Production Practices, Jacob Arthur Dec 2022

Evaluation Of Warm Season Vegetables Using Sustainable Production Practices, Jacob Arthur

Theses and Dissertations

Sustainable practices were evaluated for the production of two warm season vegetable crops, tomato and chile peppers. The first study investigated the plant vegetative growth, fruit production timing, yield components and fruit quality of three hybrid and three heirloom tomato cultivars grown in a high tunnel using grafted and non-grafted plants. Grafting the selected tomato cultivars with the two rootstock types did not alter total marketable yield of any cultivar, but affected overall stem diameter, fruit color, and β-carotene concentrations of tested tomato cultivars. The second study evaluated the plant growth, yield, and fruit quality of nine heirloom chile pepper …

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Establishing The Relationship Between Broiler Beak Size, Starter Feed Particle Size Selection And Performance, Maria Jose Alvarenga Ramirez Dec 2022

Establishing The Relationship Between Broiler Beak Size, Starter Feed Particle Size Selection And Performance, Maria Jose Alvarenga Ramirez

Theses and Dissertations

Starter feed particle size (FPS) is typically small (~1200 µm) due to bird beak capacity (BC). Recent research has found that chicks can consume a larger FPS than previously thought; however, preferred FPS and its relationship with BC has not been established. Experiment 1 was conducted to determine the effect of breeder flock age (BFA) and feeding strategy (FS) on 0-14 d performance, BC and FPS preference. These data found that BC was dependent upon BFA and FPS consumed was dependent upon FS. Also, chicks could consume increased FPS without impacting starter performance; thus Experiment 2 was conducted to determine …

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Disease Resistance And Productivity In Genetically Improved Loblolly Pine: Results From A Resistance Screening Trial And A Midrotation Comparison Of Genetic Improvement Levels, Stephen W. Goodfellow Dec 2022

Disease Resistance And Productivity In Genetically Improved Loblolly Pine: Results From A Resistance Screening Trial And A Midrotation Comparison Of Genetic Improvement Levels, Stephen W. Goodfellow

Theses and Dissertations

Decades of tree improvement has resulted in genetic gains in loblolly pine productivity, form, and resistance to fusiform rust. The goal of this study was to advance the understanding and applied use of genetic improvement by analyzing inter- and intra-provenances hybrids’ rust resistance and evaluating midrotation performance of varying levels of genetically improved stock types. The first study compares 16 seedlots at the USDA Resistance Screening Center and evaluates rust resistance of controlled-pollinated inter- and intra-provenances crosses, and openpollinated seedlots from three provenances: Western Gulf, Atlantic Coastal, and Interior Piedmont. Post inoculation, one Coastal OP seedlot was resistant and ten …

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Survival, Regrowth And Morphotype Formation Of Salmonella Strains After Exposure To High Or Low Concentrations Of First Generation Qac In Water, Grace Umutesi Dec 2022

Survival, Regrowth And Morphotype Formation Of Salmonella Strains After Exposure To High Or Low Concentrations Of First Generation Qac In Water, Grace Umutesi

Theses and Dissertations

This study determines the differences in survival of eight Salmonella strains concentration of BAC in water, followed by regrowth in high and low nutrition conditions containing sublethal concentration of BAC. Our results show strain difference in survival, persistence of Salmonella in BAC at different concentrations. All eight strains of Salmonella were non-recoverable when exposed to 40 to 48 µg/ml BAC for 1h in water. When exposed to 24 µg/ml of BAC for 1 h in water, S. Typhimurium ATCC 14028 and S. Heidelberg ATCC 8326 cells were non-detectable from the initial 7 log CFU/ml. S. Blockley 7175, S. Virchow 7207, …

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Understanding The Relationship Among Cool Temperatures, Growth, Metabolism, And Energy Use Of Ictalurus Spp., Abby Vaughn Dec 2022

Understanding The Relationship Among Cool Temperatures, Growth, Metabolism, And Energy Use Of Ictalurus Spp., Abby Vaughn

Theses and Dissertations

Although U.S. commercial catfish aquaculture ponds are in temperate regions and experience cool to cold temperatures during the winter, few studies have investigated the effects of low temperatures on catfish physiological processes. Therefore, growth, metabolism, swimming performance, and blood variables were compared between channel (Ictalurus punctatus), blue (I. furcatus), and hybrid (I. furcatus x I. punctatus) catfish at 10 and 20°C. Accelerometers were also used to evaluate relationships among acceleration, metabolism, and tail beat frequency (TBF) during swimming performance tests. Channel catfish experienced the greatest growth, yet growth was diminished across all fish types at 10°C. Metabolic processes, swimming performance, …

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Classified: How Inequality Shapes The ‘Need To Know’ Question In Sex Education, Sarah Thornton Dec 2022

Classified: How Inequality Shapes The ‘Need To Know’ Question In Sex Education, Sarah Thornton

Theses and Dissertations

Schools are a critical site of socialization in which young people learn both formal curricular materials and informal lessons about social structure, agency, and inequality. This study examines the meaning making patterns of teachers and students in sex education classrooms and considers how these patterns reflect the structure and agency relationship between people and the institutions in which they are embedded. Through a series of interviews and using qualitative thematic analysis, I identify themes in how students and teachers discuss their experiences, how these themes relate to broader patterns of social hierarchy, and how sex education can act as a …

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Development Of Alternative Air Filtration Materials And Methods Of Analysis, Ivan Philip Beckman Dec 2022

Development Of Alternative Air Filtration Materials And Methods Of Analysis, Ivan Philip Beckman

Theses and Dissertations

Clean air is a global health concern. Each year more than seven million people across the globe perish from breathing poor quality air. Development of high efficiency particulate air (HEPA) filters demonstrate an effort to mitigate dangerous aerosol hazards at the point of production. The nuclear power industry installs HEPA filters as a final line of containment of hazardous particles. Advancement air filtration technology is paramount to achieving global clean air. An exploration of analytical, experimental, computational, and machine learning models is presented in this dissertation to advance the science of air filtration technology. This dissertation studies, develops, and analyzes …

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Developing An Early Life Cycle Manufacturability Assessment For Conceptual Designs, Tonya Gamblin Mccall Dec 2022

Developing An Early Life Cycle Manufacturability Assessment For Conceptual Designs, Tonya Gamblin Mccall

Theses and Dissertations

Studies have shown that 70 – 80% of a product's life cycle costs are committed by the end of the product design phase (Anderson, 2014; National Research Council, 1991; Swift, 1987). This supports the general claim that decision making in the conceptual stage drives the cost throughout the life cycle. The use of concurrent engineering has been viewed as the answer to this problem, offering the Design for Excellence (DFX) as one approach for evaluating product designs across specific disciplines. This research focuses on a subset of DFX referred to as Design for Manufacturability to develop a means to assess …

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United We Stand? Investigating The Impact Of Unified Dues Agreements Between State And National Career & Technical Education (Cte) Professional Organizations On Cte Funding In The Southern States, Justin Ryan Hall Dec 2022

United We Stand? Investigating The Impact Of Unified Dues Agreements Between State And National Career & Technical Education (Cte) Professional Organizations On Cte Funding In The Southern States, Justin Ryan Hall

Theses and Dissertations

Career and Technical Education (CTE) teachers have long been active in lobbying the federal and state governments in support of CTE through their professional organizations, but these are not traditionally considered interest groups. This study sought to determine if the formal relationships—dues agreements—between the two largest national professional organizations, and their state affiliates had an impact on state funding for CTE. The impacts of professional organization unity, membership rates, and lobbying expenses on state-level CTE funding were analyzed through the lens of interest group theory, a subfield of political science. Within this population (N = 13), 1) a link …

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The Influence Of Taste Sensitivity To 6-N-Propylthiouracil (Prop) On Anthropometric Measurements, Body Composition, And Eating Behaviors Among Female College Students, Abeer Mohammedsharief Alardawi Dec 2022

The Influence Of Taste Sensitivity To 6-N-Propylthiouracil (Prop) On Anthropometric Measurements, Body Composition, And Eating Behaviors Among Female College Students, Abeer Mohammedsharief Alardawi

Theses and Dissertations

Taste is one of the crucial factors that contributes to shaping eating behaviors and is also one of the leading reasons that affects our preferences to like or dislike some foods that mainly have a bitter taste. Variation in bitter phenotype (tasters and non-tasters) could influence diet quality and in turn body weight, which overall influenced health outcomes. The objective of this study was to identify whether bitter taste phenotype status influences anthropometric measurements, body fat percentage, and eating behaviors (liking and intake) in female college students. In this cross-sectional study (n = 86), female college students aged 18 to …

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Human Gait Movement Analysis Using Wearable Solutions And Artificial Intelligence, Samaneh Davarzani Dec 2022

Human Gait Movement Analysis Using Wearable Solutions And Artificial Intelligence, Samaneh Davarzani

Theses and Dissertations

Gait recognition systems have gained tremendous attention due to its potential applications in healthcare, criminal investigation, sports biomechanics, and so forth. A new solution to gait recognition tasks can be provided by wearable sensors integrated in wearable objects or mobile devices. In this research a sock prototype designed with embedded soft robotic sensors (SRS) is implemented to measure foot ankle kinematic and kinetic data during three experiments designed to track participants’ feet ankle movement. Deep learning and statistical methods have been employed to model SRS data against Motion capture system (MoCap) to determine their ability to provide accurate kinematic and …

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The Effects Of Glyphosate Salts And Volatility-Reducing Agents (Vra) On Dicamba Volatility, Nicole Glenn Dec 2022

The Effects Of Glyphosate Salts And Volatility-Reducing Agents (Vra) On Dicamba Volatility, Nicole Glenn

Theses and Dissertations

Dicamba is often tank mixed with glyphosate to increase herbicidal efficacy but may contribute to off-target movement (OTM). In recent years, volatilization has become problematic for dicamba-containing herbicides, resulting in increased regulatory requirements necessitating the use of volatility-reducing agents (VRA) for application. Research was conducted in 2021 and 2022 using low tunnels in a field environment and humidomes in a greenhouse environment to further assess how glyphosate salts and VRAs affect dicamba volatility. Our data indicate that the inclusion of glyphosate to dicamba can increase dicamba volatility, depending on the glyphosate salt used. The inclusion of the evaluated VRAs will …

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Combined Effects Of Cyclosporine And Prednisone On T-Cell Cytokine Production In Healthy Dogs, Brittany Moore-Henderson Dec 2022

Combined Effects Of Cyclosporine And Prednisone On T-Cell Cytokine Production In Healthy Dogs, Brittany Moore-Henderson

Theses and Dissertations

Cyclosporine and prednisone are immunosuppressive drugs that are commonly used in combination for the treatment of immune-mediated diseases, and have been shown to individually cause significant suppression of IL-2. Currently, no studies have been performed to determine how a combination of the two drugs would impact suppression of IL-2, and if an additive or synergistic effect on cytokine production could be demonstrated, as in studies of other species. An additive effect of immunosuppression associated with this drug combination could allow clinicians to decrease dosages of drugs, thereby reducing drug costs and minimizing adverse drug side effects. In a cross-over study …

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Analysis Of Process And Environmental Parameters Impacting Membrane Fouling, Methane Production, Soluble Microbial Products, Extracellular Polymeric Substances And Chemical Oxygen Demand Removal In Anaerobic Membrane Bioreactors Wastewater Treatment, James Mark-Ige Dec 2022

Analysis Of Process And Environmental Parameters Impacting Membrane Fouling, Methane Production, Soluble Microbial Products, Extracellular Polymeric Substances And Chemical Oxygen Demand Removal In Anaerobic Membrane Bioreactors Wastewater Treatment, James Mark-Ige

Theses and Dissertations

Aerobic (AeMBRs) and Anaerobic Membrane Bioreactors (AnMBRs) are an essential part of the advanced wastewater treatment options, which offer advantages in terms of higher effluent discharge and smaller footprints over the traditional wastewater treatment. This study evaluates the performance of (AnMBRs) by analyzing the cumulative effect of eleven physico-chemical parameters from the data obtained from the studies conducted from year 2000 onwards. Effect of various parameters such as Solid Retention Time (SRT), Hydraulic Retention Time (HRT), Mixed Liquor Suspended Solids (MLSS), influent Chemical Oxygen Demand (COD), Organic Loading Rate (OLR), influent COD, and temperature on the COD removal, methane production …

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