Digital Commons Network^™

Reconceiving Self-Abnegation: Female Vulnerability As Embodied (Un)Sovereignty, Renee Lee Gardner

Dissertations

Liberal feminism views vulnerability as weakness and dominance as strength. This binary parallels nationalistic assertions of sovereignty. Within militaristic responses such as the U.S. retaliation to 9/11, however, we see the cost of refusing to acknowledge our vulnerability. In my analysis of eleven novels arising from eight distinct nation-states and representing historical moments from the final decades of slavery through the early post- 9/11 years, I use alternative (queer, postcolonial, Islamic) feminisms to read power in vulnerability. I explore female characters who deliberately self-abnegate – sacrificing their lives, bodies, voices, and children – but whose actions can be read as …

Discovery And Characterization Of A Tanapoxvirus Encoded Human Neuregulin Mimetic, David Jeng

Dissertations

Studies on large dsDNA viruses such as poxviruses have been helpful in identifying a number of viral and cellular growth factors that contribute to our broad understanding of virus-host interaction. Orthopoxviruses and leporipoxviruses are among the most studied viruses in this aspect. However, tanapoxvirus (TPV) a member of the genus Yatapoxvirus, still remains largely unexplored, as the only known hosts for this virus are humans and monkeys. Here, we describe the initial characterization of an EGF-like growth factor mimicking human neuregulin from TPV, expressed by the TPV-15L gene. Assays using a baculovirus expressed and tagged TPV-15L protein demonstrated the ability …

Experiences Of Male Saudi Arabian International Students In The United States, Molly Elizabeth Heyn

Dissertations

Despite the increasing presence of Saudi Arabian international college students in American higher education, the literature regarding the experience of Saudi students in the United States is limited. This qualitative study explored and described the lived experiences of 9 male Saudi Arabian international college students studying in the United States. All the participants had studied in the United States for at least 2 years and were regularly admitted international students at Western Michigan University in Kalamazoo, Michigan. Moustakas’s (1994) phenomenological data analysis approach guided the data collection and analysis. The participants shared their lived experiences and the meaning of those …

The Dynamics Of Self-Determined Motivation, Passion, And Athlete Satisfaction Over One Competitive Season In Intercollegiate Athletics, Roy Kaipo Mcguire

Dissertations

No abstract provided.

The Effects Of Rapid Stretch Injury On Rat Neocortical Cultures, George Constandinos Magou

Dissertations

Several key biological mechanisms of traumatic injury to axons have been elucidated using in vitro stretch injury models. These models, however, are based on the experimentation of single cultures keeping productivity slow. Indeed, low yield has hindered important and well founded investigations requiring high throughput methods such as proteomic analyses. To meet this need, a multi-well high throughput injury device is engineered to accelerate and accommodate the next generation of traumatic brain injury research. This modular system stretch-injures neuronal cultures in either a 24-well culture plate format or six individual wells simultaneously. Custom software control allows the user to accurately …

The Religious Formation Of Graduate Ministry Students In An Online Wisdom Community, Michael David Porterfield

Dissertations

Online and hybrid programs are becoming more commonplace in higher education, especially in graduate theological education, but little research has been done in this area. This study helps to add to the body of research on online and hybrid theological programs. In graduate theological education there is a dynamic process of transformation that happens to individuals. In years past, this transformative paradigm could only have happened in a physical location, but now this process of deep reflection and communal interaction can be done in an online wisdom community. When one defines community by what people do together instead of by …

Microglial Activation By Amyloid-Beta, Geeta Subhash Paranjape

Dissertations

Paranjape, Geeta S.,Ph.D.,University of Missouri-Saint Louis, May 2012. Aβ(1-42) Protofibrils But Not Fibrils Activate Microglia. Major Professor: Michael R. Nichols. One of the hallmark features of the Alzheimer’s disease (AD) brain is the extracellular deposition of amyloid-β protein (Aβ) in both fibrillar (senile plaques) and diffuse forms. Significant proinflammatory markers including activated microglia and cytokines have been detected surrounding the plaques but are absent in diffuse areas suggesting that microglial activation is sensitive to Aβ structure. Since Aβ displays structural polymorphism in vitro, we sought to determine the relationship between Aβ aggregation state and microglial proinflammatory response. Size exclusion chromatography …

Habitat Characterization, Habitat Use And Associated Growth Of Juvenile Spotted Seatrout (Cynoscion Nebulosus) In A Mississippi Bay System: Implications For Stock Enhancement Practices, Joseph Read Hendon

Dissertations

The spotted seatrout (Cynoscion nebulosus) is the most targeted recreational fishery species in Mississippi coastal waters. Consequently, the Seatrout Population Enhancement Cooperative stock enhancement program was initiated to investigate methods for supplementing this heavily exploited population. Given ecological data needs for both wild and hatchery-reared (HR) juveniles of the species, habitat mapping, directed sampling and a caging study were conducted. Submerged aquatic vegetation (SAV), oyster shell and non-vegetated substrates were mapped at water depths < 2 m in Point aux Chenes Bay, Mississippi, using a sidescan sonar, which provided more accurate estimations of habitat coverage, particularly for SAV, compared to point-based sampling. Applying habitat strata delineated from sidescan mapping, late-juvenile spotted seatrout [125 - 275 mm total length (TL)] were sampled in SAV, marsh-edge and non-vegetated habitats as part of a seasonal gill net survey conducted in 2011 and 2012. Spotted seatrout ranging from 138 to 485 mm TL were collected using a smallmesh gill net, and 65% of collected individuals fell within the targeted late-juvenile size range. Overall mean catch-per-unit-effort of C. nebulosus did not differ for abundance or biomass between years, but both metrics were significantly higher in SAV habitats. Employing cage enclosures that …

Community Metrics And Trophic Dynamics In Tidal Creeks In An Anthropogenically Fragmented, Coastal Landscape, Michael Robert Lowe

Dissertations

Salt marsh landscapes are among the most anthropogenically altered ecosystems in the world. Urbanization (i.e., accumulation of impervious cover and man made structrues) of the coastal landscape can disrupt the delivery of numerous ecosystem services. Among the many services provided by salt marsh habitats, they serves as the primary habitats for distinct macroinfauna (i.e., benthic and epibenthic macrofauna) and nekton (i.e., fish and decapod crustaceans) assemblages. In this dissertation, I used a number of metrics to test the overarching hypothesis that coastal urbanization has negative consequences for salt marsh faunal assemblages. Chapter I uses a landscape ecology approach to show …

Perceptions Of Kentucky Secondary School Principals About Agricultural Education Programs: A Comparison Of Schools With And Without Agricultural Education Programs, Andy Joe Moore

Dissertations

Countless research suggests that secondary agricultural education programs could benefit all students regardless of school characteristics and geographic location, yet many secondary schools have yet to include agricultural education as part of their curricular offerings. In response, numerous studies have been conducted in recent years throughout the United States regarding how secondary agricultural education programs are perceived by school leaders. For the first time, this study sought to shed light on how secondary principals in Kentucky perceived agricultural education programs. Considered in this study, were how secondary principals with agricultural education in their schools perceived those programs differently than secondary …

Effects Of United States Domestic Agricultural Grain Subsidies On Mexican Migrant Flows, Pat Robert O'Brien

Dissertations

United States national, domestic feed grain subsidies have little effect on rural Mexican migration to the United States. This research shows the effect of the United States domestic feed grain subsidies on unbalanced trade with Mexico, the effect of unbalanced feed grain trade on poverty in rural Mexico, and the effect of Mexican rural poverty on Mexican migration to the United States.

The United States domestic agricultural infrastructure, including the United States General Services Support Estimate of subsidies, predict increased exports of corn to Mexico, but producer support subsidies to United States farmers do not.

Mexican estimates of poverty are …

Ornithology And Apparent Magnitude, Sarah Michelle Wynn

Dissertations

Ornithology and Apparent Magnitude is a collection of poems with a critical preface.

Investigating The Function Of The Mold Specific Gene M46, In The Pathogenic Dimorphic Fungus Histoplasma Capsulatum, Davida Lashaundra Crossley

Dissertations

Histoplasma capsulatum (Hc) is a dimorphic fungus that is the etiologic agent for the respiratory infection histoplasmosis. The fungus is found in the environment in contaminated soils of birds and bat excreta as a multi-cellular saprophytic mold. Once the soil is disturbed, spores are released and are inhaled into the lungs. In the lungs, the fungus converts to uni-cellular parasitic yeast (Maresca & Kobayashi, 1989). The conversion from mold to yeast is a requirement for pathogenesis. Previously, several mold specific genes have been isolated by our laboratory from a subtracted cDNA library. One such gene, is M46. M46 is a …

Evaluation Of Human Fecal Pollution In Mississippi Coastal And Creek Waters Using Library Independent Markers, Christopher John Flood

Dissertations

The objective of this study was to determine whether statistically valid correlations could be elucidated between standard indicator bacteria (enterococci and fecal coliforms) from coastal creek and marine samples and the presence of four library independent molecular markers that are human or sewage specific. Eight hundred and nineteen samples were collected between August 2007 and July 2010 to determine enterococcal and fecal coliform counts and the presence of genetic markers for sewage indicator organisms Methanobrevibacter smithii, human specific Bacteroides sp., Bacteroides thetaiotaomicron, and Fecalibacterium sp. During the course of this study environmental parameters were measured and statistically analyzed to determine …

Climate Change, Shifts In Tropical Storm Regimes And Triadica Sebifera Invasion In Coastal Mississippi, United States, Shishir Paudel

Dissertations

Global climate change is predicted to affect timing and severity of disturbance events (e.g., fire, drought, hurricanes, wind storms, and inundation), but the extent of these disturbance events and their impacts on natural ecosystems may vary regionally. Rising sea level, increased frequency and intensity of tropical storms, and altered inundation regimes are likely to create changing environmental conditions in low-lying coastal ecosystems. These large scale disturbances may increase resource availability and regeneration spaces, reduce competition, and possibly increase community vulnerability to invasion. Shifting disturbance regimes and invasion together are predicted to drive long-term shifts in coastal plant community structure and …

Factors Influencing The Spatial And Temporal Structure Of A Carnivore Guild In The Central Hardwood Region, Damon B. Lesmeister

Dissertations

Ecological communities are most commonly structured by a mixture of bottom-up processes such as habitat or prey, competition within the same trophic level, and top-down forces from higher trophic levels. Carnivore guilds play a vital role in the broader ecological community by stabilizing or destabilizing food webs. Consequently, factors influencing the structure of carnivore guilds can be critical to patterns in ecosystems. Coyotes (Canis latrans), bobcats (Lynx rufus), gray foxes (Urocyon cinereoargenteus), raccoons (Procyon lotor), red foxes (Vulpes vulpes), and striped skunks (Mephitis mephitis) occur sympatrically throughout much of their geographic ranges in North America and overlap in resource use, …

Pedagogies, Perspectives, And Practices: Mobile Leraning Through The Experiences Of Faculty Developers And Instructional Designers In Centers For Teaching And Learning, Kim A. Hosler

Dissertations

No abstract provided.

The Effectiveness Of Internet And Instant Messaging Approaches In Promoting Intention To Breastfeed, Brigett Landry Scott

Dissertations

Breastfeeding rates for the southern portion of the United States are low compared to the rest of the country. This study sought to determine the effectiveness of electronic delivery of breastfeeding education compared to written education in regards to intention to breastfeed in a convenience sample of pregnant women in coastal Louisiana and Mississippi. The final sample included 147 women randomized into one of three groups to complete the six week education intervention study. Questionnaires measuring demographics, Need for Cognition Scale (NFC), the Iowa Infant Feeding Attitude Scale (IIFAS), and the IFI Feeding Intentions Assessment were utilized. MANCOVA was used …

Accessing Learning In The Adult Zebrafish With A Novel Associative Learning Task, David Joseph Jouandot Ii

Dissertations

The zebrafish (Danio rerio) is accepted in the developmental and genomic communities as a model organism. However, the capacity for the zebrafish as a behavioral model has yet to be fully acknowledged. The research presented provides evidence validating the novel task, aids in gaining a better understanding of the learning processes, and identifies individual differences. The novel associative learning task differs from any present well established behavioral model and lends itself to future development. The task provides the zebrafish community with a high output behavioral task which is readily replicated and allows one researcher to test between eight …

Tactile Behavior In A Group Of Captive Rough-Toothed Dolphins As A Function Of Opportunities To Play With Objects, Kelly Ann Caffery

Dissertations

Cetaceans live in complex physical and social environments that are frequently changing. In contrast, the captive environment for marine mammals is often lacking in stimulation. As a result, enrichment is often used to increase species-typical behaviors and enhance the well-being of the animals. The purpose of this study was to compare the effects of enrichment objects on the social behavior of a group of seven captive rough-toothed dolphins (Steno bredanensis). Observations of this species in the wild suggest it may have a particular affinity for tactile and object play behaviors. Therefore, these behavior categories were a primary focus …

Dialogue As A Tool For Meaning Making, Angela Suzanne Dudley Bruni

Dissertations

In order to empower citizens to analyze the effects, risk, and value of science, a knowledge of scientific concepts is necessary (Mejlgaard, 2009). The formal educational system plays a role in this endeavor (Gil-Perez & Vilches, 2005). One proposed constructivist practice is the use of social learning activities using verbalized, shared cognition among learners. In an effort to investigate the effects of verbally shared cognition, this project sought to determine if social learning opportunities affect the mastery of content in gateway biology courses and to identify the types of dialogue students engage in during cognitive collaboration. Fifty-seven students enrolled in …

Effects Of Food Dispersion On Dominance Related Behaviors In Garnett's Bushbaby (Otolemur Garnettii)?, Kyle Daniel Edens

Dissertations

Socio-ecological theorists tie primate social structure diversity to variations in habitats within which primate species reside. This premise permits laboratory researchers to investigate specific factors that influence or relate to social structure formation and maintenance. The focus of the current investigation was three fold. We first aimed to determine the relationships between traditional and non-traditional behavioral measures of dominance, then evidence for dominance hierarchy formation was examined, and various hypotheses were tested to discern if adjustments in the foraging context altered social behaviors in Garnett’s bushbaby (Otolemur garnettii). It was determined that animals likely to displace conspecifics were …

Interrelationships Between Testosterone, Aggression, And Parental Care Of A Temperate-Zone, Resident Songbird, The Northern Cardinal (Cardinalis Cardinalis), Margaret Susan Devries

Dissertations

Interrelationships among testosterone (T), aggression, and parental care have received much investigative attention. Within birds, many studies have focused on examining such relationships using species characterized by relatively brief periods of territoriality and breeding. Few have investigated links between circulating T and reproductive behavior in birds that are year-round territorial residents and have lengthy breeding seasons, such as the Northern Cardinal (Cardinalis cardinalis). The following six chapters report and discuss findings from this dissertation’s examination of aspects of T production and potential interconnections with circulating T, aggression, and parental care in male and female cardinals. This work suggests …

A Bird In The Binoculars: Understanding Birdwatchers' Potential To Contribute To Sustainable Development And Biological Conservation, Sheri Lynn Glowinski

Dissertations

The three studies comprising this research drew from local economic development and environmental sociology to understand aspects of human dynamics that influence the conservation of birds. Using survey data collected from birdwatchers visiting coastal Alabama, the first study examined the local economic impact of birdwatching tourism and the factors that participants deemed important with respect to their recreation. Birdwatchers spent $103,305 during the four month study period. The total annual economic impact of this recreation on the area was estimated at $937,470, producing a multiplier of 1.48 and the equivalent of 20.3 full time jobs. Infrastructural variables (parking, bathrooms, site …

Reporting Accuracy Of School Officials And Employees, Weston J. Finch

Dissertations

No abstract provided.

Transforming Hierarchical Relationships In Student Conduct Administration, Kelly A. Jacobson

Dissertations

No abstract provided.

The Effect Of Injury Severity On Behavioral Tasks Used For The Assessment Of Cognitive Functioning Following Traumatic Brain Injury, Kris M. Martens

Dissertations

Cognitive impairment is the most frequent cause of disability in humans following traumatic brain injury (TBI), yet the behavioral tasks used to assess cognitive behavior in rodent models of brain injury are underrepresented in the field. Additionally, few of these tasks have been used to assess behavior across degrees of injury severity. The goal of the present study was to compare four behavioral tasks commonly used in the field in frontally-injured rats with both mild and moderate-to-severe brain injuries. At the start of the study, rats were assigned to two of the following behavioral tasks: Dig scent discrimination (Dig) task, …

Shifting Legitimating Accounts In A Changing Institutional Field: An Analysis Of The Organic Food Industry, 1990-2011, Michael J. Sheridan

Dissertations

In this study, we argue the organic industry's move towards a more legal definition of organic production indicated a shift in the legitimating criteria in the organic agriculture institutional field, which can be observed through the analysis of the legitimating accounts of various actors. Prior to USDA certification, institutional actors in the organic food field largely relied upon the norms and values of its participants to maintain order. Legitimacy was based on the perception that a firm embodied a certain value set, which typically included opposition to large-scale commercial operations (DeLind, 2000; Drinkwater, 2009). To some, the introduction of federal …

Nutritional Status Of Patients With End Stage Liver Disease: An Outpatient Assessment, Anna Marie Cumming-Browne Hefner Phd, Msn, Cpnp, Rn

Dissertations

Cirrhosis is the 12th leading cause of death in the United States. It is well documented end stage liver disease drives a patient to a catabolic state thus depleting them of essential nutrients. Malnutrition is often unrecognized and untreated in outpatients. Though BMI, nutritional intake, anthropometric measurements have been used in clinical trials, there still remains no standard nutritional assessment. The purpose of this dissertation was to (1) identify the incidence of malnutrition in patients with compensated and decompensated liver disease utilizing defined nutritional parameters (Subjective Global Assessment, anthropometric measurements, hand grip strength, and laboratory values) and (2) correlate with …

Psychometric Properties Of Standardized Patient And Faculty Rater's Evaluations Of Pre-Licensure Nursing Student Competencies, Karen A. Macauley Phd, Dnp, Fnp-Bc, Gnp, Bc

Dissertations

The use of simulation as a teaching modality has been rooted in the military, aviation, space, and engineering for centuries (Bradley, 2006). Clinical simulation allows for training of healthcare providers that might be too costly, risky, or hazardous in the clinical setting (Bradley, 2006). A variety of simulation modalities are used including virtual learning, task trainers, mannequins, and standardized patients (SPs). External demands for improved accountability of clinical performance is requiring nursing educators to reevaluate methods of teaching and how we measure nursing competence (Nehring & Lashley, 2010). Standardized patients have been used in medical school curricula to teach and …