Digital Commons Network^™

Legislated Landscape: A Comparison Of New Deal Farm Communities In Hattiesburg, Mccomb, And Tupelo, Mississippi, Joy Delaine Rhoads

Master's Theses

Government New Deal farm policies of the 1930s changed the realities of farming and the landscape in Mississippi. This research endeavors to compare three farm communities created by New Deal legislation in the state: Hattiesburg, McComb, and Tupelo. The economic crisis that was the Great Depression created a highly politicized environment as citizens looked to the government for economic relief. A crisis this severe would require an exceptional effort to mitigate the economic hardships it created, in varying degrees, for millions of Americans. The actions of the federal government during the Great Depression were an interesting mix of paternalism, desperation, …

An Investigation Of The Relationship Between Measures Of Service Quality And Satisfaction Of Golf Spectators In A Korean Ladies' Professional Golf Association Tournament, Jaemon Sun

Master's Theses

A variety of spectator sports, leisure activities, and internet media developments have changed the sport market environment into a serious global competition. In this sport market environment, it is necessary to execute customer satisfaction management to meet the wants and needs of sport spectators. Understanding which service quality factors best predict customer satisfaction is an important issue in the sport events industry. The primary purpose of this study was to examine the relationship between service quality and customer satisfaction for spectators in attendance at a Korea Ladies' Professional Golf Association Tournament event. A secondary purpose of the study was to …

Narratives By Six Year Old And Nine Year Old Boys: Brute: Institutional, And Non-Institutional Mental Facts, Adam Craig Whipple

Master's Theses

Brute facts, institutional facts, and non-institutional mental facts were studied. The philosophy of constructionism and the theory of intent provided a framework for this research. Intentionality provided the basis for social facts. Brute, institutional, and noninstitutional mental facts were operationally defined. This study analyzed the use of these facts in the narratives of 6-year-old boys and 9-year-old boys. There were a total of 19 participants in this research. This research established brute, institutional, and non-institutional mental facts as appropriate operational categories for studying children's narratives. The 6-year-old boys produced more brute facts than the 9-year-old boys. The 9-year-old boys produced …

Effect Of Antimicrobials And Sodium Replacement Agents On The Survival Of Pathogenic Bacteria In Low Sodium Low-Moisture Part-Skim (Lmps) Mozzarella Cheese, Tiffany M J Taylor

Master's Theses

Recent increases in chronic cardiovascular diseases, such as hypertension, have put pressure on the food industry to reduce sodium levels. Dairy products, though full of vital nutrients, are perceived as being high in sodium. However, the reduction of salt in dairy products could potentially alter the microbial stability, as well as cause unfavorable changes in flavor. In order to reduce the sodium level, while maintaining acceptable flavor and microbial stability, salt replacers and alternative antimicrobial agents may need to be introduced into the food matrix. To identify potential antimicrobials for use in reduced sodium dairy products, this study evaluated the …

Reassessment Of Biowish Activation Procedure For Denitrification, William Wah Yee

Master's Theses

BiOWiSH^TM – Aqua is a blend of preserved multi-bacteria culture with the capability of denitrification. If an anaerobic nitrate rich activation procedure is used instead of the standard aerobic activation procedure, the denitrification rate is increased by 28 percent under the conditions of 30°C, 1C:1N, 200mg/L of carbon, and 200mg/L nitrogen.

Changes In Soil Salinity Levels With The Use Of Recycled Water On Cool Season Vegetables, Dana Cameron Ripley

Master's Theses

Agricultural production in Monterey County, California is a multi-billion dollar industry. Near the coast, seawater intrusion has threatened to degrade the groundwater quality due to over-pumping of the aquifer. The Monterey Regional Water Pollution Control Agency (MRWPCA), in partnership with the Monterey County Water Resources Agency, has provided recycled water since 1998 to over 12,000 acres of prime agricultural farmland in the northern Salinas Valley in an effort to reduce groundwater removal. The dominant soil types in the region are clay loam and clay soils, which are both susceptible to sodium (Na) accumulation and water infiltration problems. Recycled water blended …

Enhancing Gan Led Efficiency Through Nano-Gratings And Standing Wave Analysis, Gabriel M. Halpin

Master's Theses

Improving energy efficient lighting is a necessary step in reducing energy consumption.Lighting currently consumes 17% of all U.S. residential and commercial electricity, but a report from the U.S. Office of Energy Efficiency and Renewable Energy projects that switching to LED lighting over the next 20 years will save 46% of electricity used in lighting.GaN LEDs are used for their efficient conversion of electricity to light, but improving GaN efficiency requires optically engineering the chip to extract more light.Total internal reflection limits GaN LED performance since light must approach the chip surface within 23.6° of normal to escape into air.This thesis …

Protective Effects Of Sphingomyelin Against Uv Photodamage In Human Keratinocytes, Kathleen De Guzman

Master's Theses

Ultraviolet (UV) radiation has been demonstrated in numerous studies to be a major risk factor for non-melanoma skin cancer development. Despite the emergence of current UV-preventative strategies, such as sunscreens and skin-protective clothing, the incidence of non-melanoma skin cancer has continued to rise. This has encouraged investigations on alternative methods for UV prevention. In particular, bovine milk sphingomyelin has been studied for its potential in protecting human skin against UV photodamage. While the previous studies have suggested that sphingomyelin exhibits UV-protective properties in a human skin equivalent model, the exact mechanisms behind sphingomyelin’s photoprotective effects are yet unknown.

This thesis …

Development And Validation Of A Human Knee Joint Finite Element Model For Tissue Stress And Strain Predictions During Exercise, Spencer D. Wangerin

Master's Theses

Osteoarthritis (OA) is a degenerative condition of cartilage and is the leading cost of disability in the United States. Motion analysis experiments in combination with knee-joint finite element (FE) analysis may be used to identify exercises that maintain knee-joint osteochondral (OC) loading at safe levels for patients at high-risk for knee OA, individuals with modest OC defects, or patients rehabilitating after surgical interventions. Therefore, a detailed total knee-joint FE model was developed by modifying open-source knee-joint geometries in order to predict OC tissue stress and strain during the stance phase of gait. The model was partially validated for predicting the …

Development And Validation Of A Human Hip Joint Finite Element Model For Tissue Stress And Strain Predictions During Gait, Jeffrey D. Pyle

Master's Theses

Articular cartilage degeneration, called osteoarthritis, in the hip joint is a serious condition that affects millions of individuals yearly, with limited clinical solutions available to prevent or slow progression of damage. Additionally, the effects of high-risk factors (e.g. obesity, soft and hard tissue injuries, abnormal joint alignment, amputations) on the progression of osteoarthritis are not fully understood. Therefore, the objective of this thesis is to generate a finite element model for predicting osteochondral tissue stress and strain in the human hip joint during gait, with a future goal of using this model in clinically relevant studies aimed at prevention, treatment, …

Formulation Development Of A Polymer-Drug Matrix With A Controlled Release Profile For The Treatment Of Glaucoma, Eric W. Tsoi

Master's Theses

Glaucoma is the leading cause of blindness in the United States accounting for 9-12% of all cases of blindness. Currently, the front line treatment for glaucoma are prostaglandins that may have to be taken up to several times a day. Even with proper treatment, roughly 11% of the patients using the treatment are non-compliant and lose their vision. In this project, ForSight Laboratories has developed a pharmaceutical drug delivering implant with the capability of sustaining long-term release of a prostaglandin as a new way to treat the condition. This project reports the product development of a polymer drug matrix with …

An Assessment Of Habitat Suitability For Pronghorn Populations Of The Central Valley Region Of California, Virginia Burroughs

Master's Theses

Efforts to reintroduce and maintain populations of pronghorn (Antilocapra americana) to the California Central Valley, specifically the Carrizo Plain National Monument (CPNM) and the Mojave Desert (Antelope Valley) portion of Tejon Ranch, have largely been unsuccessful due to dwindling numbers of translocated animals. The objective of this study was to improve upon previous models for the CPNM using aerial survey data and then apply the model to the Tejon Ranch. Aerial survey data collected from 2000-2010 on the CPNM was used to establish “use” and “non-use” areas in the model. Model variables included vegetation type (forest, shrub, grassland, …

Cae Methods On Vibration-Based Health Monitoring Of Power Transmission Systems, Brian Fang

Master's Theses

This thesis focuses on different methods to analyze power transmission systems with computer software to aid in detection of faulty or damaged systems. It is split into three sections. The first section involves utilizing finite element software to analyze gear stiffness and stresses. A quasi-static and dynamic analysis are done on two sets of fixed axis spur gears and a planetary gear system using ABAQUS to analyze the stress, strain and gear mesh stiffness variation. In the second section, the vibrational patterns produced by a simple bevel gear system are investigated by an experiment and by dynamic modeling in ADAMS. …

Carton Clamp Methodologies And The Effects On Load Containment And Retention, Tyler D. Blumer

Master's Theses

ABSTRACT

Carton Clamp Test Methodologies and the Effects on

Load Containment and Retention

Tyler Don Blumer

A carton clamp is an alternative device for moving packages and material. Instead of using iron tines like that of a conventional forklift, a carton clamp uses two large aluminum platens to slightly compress and secure the load for handling. This is advantageous as it allows operators to move layers of a unitized load individually, and eliminates the need for a pallet when handling full unitized loads. When using a carton clamp attachment, it is often difficult for operators to accurately gauge the amount …

The Influence Of Hydrogeomorphology, Soil Redox Conditions, And Salinity On The Spatial Zoning Of Saltgrass, Salt Rush, And Cattails In Scotts Creek Marsh, Swanton Pacific Ranch, Ca, Mark D. Gormley

Master's Theses

Scotts Creek Marsh (SCM) is a small coastal wetland ecosystem in Davenport, CA. The vegetation of SCM is dominated by three halophytic zones comprised of saltgrass, salt rush, cattails. The objectives of the study were (i) to investigate the variables that influence the zoning of the three dominant halophyte communities in SCM and (ii) to the test the effectiveness of Indicator of Reduction in Soil (IRIS) tubes to indicate the reduction of S. The study examined the following parameters from April 6 to July 21, 2013: (i) the HGM of Scotts Creek Marsh, (ii) soil oxidation and reduction (redox) conditions, …

Conjugated Linoleic Acids Alter Body Composition Differently According To Physiological Age In Moulard Ducks, Jeff Fesler, Daniel Peterson

Master's Theses

Conjugated linoleic acids (CLA) have been shown to have remarkable yet inconsistent metabolic effects in mice, rats, hamsters, chickens, cattle, and humans. In particular, effects on lipogenesis vary with tissue, physiological state and specie. In this study we tested the hypothesis that CLA would differentially affect ducks of the same genetic background but of differing age. Growing (7 wk) and maintenance (11 wk) Moulard ducks were grouped by age and fed a standard diet supplemented with either 5% soybean oil (control) or 5% CLA isomer mixture. Animals were harvested after 3 weeks or 6 weeks for assessment of body composition …

Building Women’S Solidarity To Advance Women’S Rights In Bolivia, Luzdary Hammad

Master's Theses

This paper takes a historical look at the deep-seated ethnic and class divisions between women in Bolivia. It also examines the cultural challenges that help explain the status of women in Bolivia and the obstacles women face to become politically active. It provides the theories of decolonization and depatriachalization as practical ways Bolivia can move past their colonial and patriarchal history. It also looks into what feminism means overall in Latin America and what strategies Latin American women have used to make change for women. It then provides a political history of Bolivia from 1994 to the present giving the …

Influence Of Parenting Styles And Protective Behavioral Strategies On College Students' Alcohol Use And Alcohol-Related Consequences, Saarah Danielle Kison

Master's Theses

The current study examined the relationships between parenting styles, protective behavioral strategies (PBS), alcohol use and negative alcohol-related consequences in college students. While parenting styles have been associated with alcohol use, there are no studies which have investigated the relationship between parenting styles and negative alcohol-related consequences. Further, while alcohol use and negative consequences have been related to PBS, no studies have investigated the relationship between parenting styles and PBS. The current study hypothesized that PBS will be a partial mediator between parenting styles and alcohol use. The current study also hypothesized that PBS will be a partial mediator between …

The Steps To Growing Up Healthy Study: Barriers To Initial Behavior Change In A Primary Care Based Obesity Prevention/Reversal Program For Young Children, Dominica B. Hernandez

Master's Theses

BACKGROUND: Children of color are disproportionately affected by obesity creating a need for effective prevention/reversal programs. This study investigated a first dose response to a pediatric primary care-based obesity prevention program (Steps to Growing Up Healthy) targeting Hispanic and Black children. We examined whether mothers experienced barriers to behavior change and if maternal, child, environmental, or intervention variables predicted barrier status.

METHODS: Hispanic and Black mothers and their children (N=234; 51%F; 88.9% Hispanic; 35.4±8.7months) were recruited from an urban pediatric primary care clinic. The intervention utilized brief motivational counseling delivered by clinicians and nurses with the goal of …

Soil Nutrient Availability Properties Of Biochar, Nicole C. Esposito

Master's Theses

Biochar’s high porosity and negative surface charge allows for numerous soil and plant benefits such as increased water retention, high nutrient availability, and plant growth. By analysing biochar’s effect of all of these factors, a system can be put in place in which soils can be remediated with the proper soil amendments. This report discusses and tests the effects of varying rates of biochar on pH levels, cation exchange capacity, and nutrient exchangeability (of calcium, magnesium, sodium, and potassium) in soil. Corn plants were also grown in soils of varying amendment types and analysed for plant growth and germination to …

Effects Of Racism And Discrimination On Personality Development Among African American Male Repeat Offenders, Tiffany Nicole Lockett

Master's Theses

ABSTRACT

Effects of Racism and Discrimination on Personality Development among

African American Male Repeat Offenders

Tiffany Nicole Lockett

Throughout history in the United States, the African American community has consistently been the victim of social policies put in place to disenfranchise this population (Mauer & Chesney-Lind, 2002; Painter, 2007; Parham, White & Ajamu, 1999). With a longstanding presence of systemic racism and discrimination, the criminal justice system and the dominant culture continues to pathologize this minority group and advocate for increased penalties which further stigmatize African Americans, particularly males in this group (Reiman, 1996; Russell, 1998). Though most criminology research …

Workplace Incivility At The Daily Level: The Effects Of Rumination On Performance And Revenge Motives, Jenna Shapiro

Master's Theses

Ruminating about stressful experiences at work may have negative effects for employees and the organization, but has been widely overlooked in organizational research. In order to address this gap, I examined the process by which incivility affects performance and revenge motives in the workplace. A meditational model was tested, in which stress reactive rumination mediates the relationship between incivility and performance, as well as between incivility and revenge motives. These mediated relationships were examined at the intra-individual level, such that data-points were nested within employees over time. I surveyed 108 healthcare professionals daily over a two-week study period. The data …

An Examination Of Marine Snow As A Pathway For Mercury Uptake In The Blue Mussel Mytilus Edulis, Veronica L. Ortiz

Master's Theses

Bioaccumulation of mercury (Hg), especially as methylmercury (CH₃Hg), in the aquatic food web is a continuing public health concern. Extensive research has been conducted regarding the uptake of Hg by various aquatic animals via three main vectors: sediment, bioseston, and water, but virtually no research exists with respect to uptake of CH₃Hgor inorganic mercury (Hg(II)) associated with marine snow. Marine snow composed of various organic and inorganic materials has been studied as an effective vertical transporter of nutrients and metals scavenged from the euphotic zone to the benthos. As various aquatic species utilize marine aggregates as …

Analysis And Comparison Of Parallel Plate Flow Chambers To Determine Consistency Of Fluid Forces On Cells, Sampat S. Nidadavolu

Master's Theses

Biological cells are constantly exposed to fluid forces inside the body. These fluid forces aid in certain physical and chemical reactions that cells need to maintain physiological function. To observe these forces in vitro, parallel plate flow chambers (PPFC) are used, where cells are placed inside the chamber and a fluid medium runs through the device exposing the cells to fluid forces to initiate a response. This has aided in proving that fluid forces influence cell function and are factors in various disease and physiological processes, such as the development of atherosclerotic plaque in blood vessels or bone growth. Many …

The Effects Of Poor Maternal Nutrition On Postnatal Growth And Development Of Lambs, Kristen N. Peck

Master's Theses

No abstract provided.

A Compact, Reconfigurable Uhf Communication System Design For Use With Polysat's Embedded Linux Platform, Austin Williams

Master's Theses

The beginning of this thesis provides an overview of the heritage UHF Communication System design flown on CP2, CP3, CP4, CP5, and CP6, summarizing previous analysis of its performance, and providing the justification for a complete system re-design. High level requirements for the new UHF System are defined, and a trade study is performed on state-of-the-art single chip transceivers, low noise amplifiers, and transmit power amplifiers. These components are then designed into a functional communication system, with key components analyzed for proper impedance matching and performance characterization compared to expected datasheet values. Next, the system as a whole is characterized …

An Analysis Of Eliminating Electroosmotic Flow In A Microfluidic Pdms Chip, Cecile D. Redington

Master's Theses

The goal of this project is to eliminate electroosmotic flow (EOF) in a microfluidic chip. EOF is a naturally occurring phenomenon at the fluid-surface interface in microfluidic chips when an electric field is applied across the fluid. When isoelectric focusing (IEF) is carried out to separate proteins based on their surface charge, the analytes must remain in the separation chamber, and not migrate to adjacent features in the microfluidic chip, which happens with EOF.

For this project, a microfluidic chip was designed and commissioned to be photolithographically transferred onto a Si wafer. A PDMS component was then casted on the …

Effect Of Warm-Up Activity On Vertical Ground Reaction Forces In Basketball Players During Drop Jump Landings, Jacob Wesley Hinkel-Lipsker

Master's Theses

ABSTRACT

Effect of Warm-Up Activity on Vertical Ground Reaction Forces in Basketball Players During Drop Jump Landings

Jacob Hinkel-Lipsker

Purpose: The purpose of this study was to examine the effect of certain warm-up activities on vertical ground reaction forces (GRF_v) during a drop jump landing. Methods: Eight women and twelve men (mean age 22.6 ± 1.82 years) completed three warm-up activities on three separate days in a counterbalanced order: a passive stretching warm-up, a dynamic warm-up, and a no warm-up control. After completing each activity, participants were asked to perform eight drop jump landings on a force platform. …

The Forgotten Space: Between Discourse, Document, And The Deck Of A Ship, Talia B. Shabtay

Master's Theses

No abstract provided.

Hcmv Promotes Breast Cancer Metastasis: Impacts Of Cmvil-10 In The Tumor Microenvironment, Robin Bishop

Master's Theses

Human cytomegalovirus (HCMV) is a highly species-specific, common human pathogen. While a large majority of people are infected with HCMV worldwide, infection is typically asymptomatic in immune competent individuals. To enhance virus persistence and avoid immune detection by the host, HCMV exploits the strategy of encoding homologs of cellular cytokines. One factor produced by HCMV-infected cells is the viral cytokine cmvIL-10, which acts through the cellular IL-10 receptor to induce downstream cell signaling. In instances where HCMV-infected cells infiltrate the tumor microenvironment, the presence of cmvIL-10 in may initiate events that promote a more invasive tumor phenotype. Cancer cells that …