Digital Commons Network^™

Evaluation Of Pilo Substrate Specificity Using Normally Non-Glycosylated Proteins In Pseudomonas Aeruginosa, Matthew A. Henkel

Electronic Theses and Dissertations

P. aeruginosa 1244 (PA1244) possesses an O-linked glycosylation system by which the glycosyltransferase, PilO, transfers a single preassembled O-antigen repeating unit to the C-terminal serine residue of pilin as a posttranslational modification. Previous work has shown that the group II pilin of PA103 can be engineered for glycosylation by extending a C-terminal serine away from the surface with a short stretch of alanine residues (Horzempa et al., 2006a). As an extension of that study, several normally non-glycosylated proteins [PA683 pilin, PA1244 PilA-E. coli (EC) alkaline phosphatase (PhoA) fusion, and EC PhoA] were engineered with C-terminal amino acid extensions and assessed …

A Study Of The Effects Of Parental Involvement On The Success Of Students On A High-Stakes Examination, Jill Ashbaugh

Electronic Theses and Dissertations

The United States federal government, through the No Child Left Behind Act, is holding schools accountable for students' proficiency on academic standards. However, standards-based curriculum and instruction, along with school-based support and remediation programs, are not enough to help 100 percent of students to reach proficiency. It is imperative that schools work with parents and communities to maximize each child's potential. Children of involved parents tend to exhibit higher educational goals and perform at academically higher rates than those of parents who do not get involved in their education.

The PSSA Parent Partnership is a program that involves parents, teachers, …

The Use Of Relational, Social, And Overt Aggression In Overtly-Aggressive And Non-Overtly-Aggressive Females, Leigh Ann Comstock

Electronic Theses and Dissertations

In this study, the researcher sought to examine whether differences existed in the use of relational, social, and overt aggression among previously-identified-overtly-aggressive and non-overtly-aggressive female adolescents. Specifically, explored were the relationships among types of aggression (overtly-aggressive and non-overtly-aggressive), age level (middle or high school), and cultural background/ethnicity (Caucasian or non-Caucasian), and the self-reported use of relational aggression, social aggression, and overt aggression. Results revealed that Caucasian, non-overtly-aggressive middle and high school girls use relational aggression more often than Caucasian, overtly-aggressive middle and high school girls, respectively. Similarly, Caucasian, non-overtly-aggressive middle school girls use social aggression more often than Caucasian, overtly-aggressive …

The Effect Of A Commercially Available Caffeine Based Dietary Supplement On 40-Kilometer Time Trial Performance, Lee A. Weidauer

Electronic Theses and Dissertations

Purpose: To determine wheather ot not the nutritional supplement PreRace containing L-Taurine, Citrulline Malate, Quercetin, DiMethyl Amino Ethanol, Caffeine, Metabromine, Catechin, and Malic acid will improve performance in an indoor 40 Kilometer cycling time trial.
Methods: Seven male cyclists ages 21-58 participated in a placebo-controlled investigation which consisted of two trials in which they consumed either the supplement PreRace or aloe vera juice. In each of the trials the placebo or supplement was mixed with a sports beverage. Subjects performed a 40 kilometer time trial and measurements of oxygen consumption and lactate were taken every 15 minutes as well as …

An Examination Of Condom Use And Meaning In Life In College Students, Cahryn Anderson

Electronic Theses and Dissertations

No abstract provided.

The Effects Of Competition On The Nitrogen Uptake Ability Of Juncus Effusus : An In-Situ Field Experiment At The University Of Mississippi Field Station, Clint. Helms

Electronic Theses and Dissertations

No abstract provided.

The Isolation And Structural Determination Of Two Sterol Sulfates That Reverse Efflux Pump-Mediated Fluconazole Resistance In Candida Albicans From A Marine Sponge Topsentia Sp., Jessica Ann Digirolamo

Electronic Theses and Dissertations

No abstract provided.

Visibility : Searching For Black Businesses In Oxford, Mississippi, Velsie D. Pate

Electronic Theses and Dissertations

No abstract provided.

Monitoring Effects Of Hurricane Katrina To The Mississippi Gulf Coast / By Crystal Warren, Crystal Warren

Electronic Theses and Dissertations

No abstract provided.

Ethanol Teratogenesis In Japanese Medaka : A Morphometric, Biochemical And Epigenetic Analysis, Yuhui Hu

Electronic Theses and Dissertations

No abstract provided.

Preparation And Characterization Of Oil-In-Water Nano-Emulsions Of Trifluoperazine For Parenteral Drug Delivery, Toluwalope Onadeko

Electronic Theses and Dissertations

Objectives: 1.) To develop and characterize an optimal formulation of oil-in-water nano-emulsions of trifluoperazine for parenteral delivery. 2.) To perform short term stability testing of the optimal formulation and monitor the potency using high performance chromatography (HPLC).

Materials and Methods: Emulsions containing soybean oil, water, trifluoperazine hcl as an amphiphilic drug, phospholipon 90 and Tween 80 as surfactant blend were prepared using the Thin-layer hydration method. Z-average, polydispersity index, zeta potential of emulsions were determined. A fully randomized 2X2X2X2X2 statistical design was developed using JMP software. Optimal formulation was selected based on desirable properties of low z-average and polydispersity index, …

What Is The Relationship Between Quality Of Life And Coping Strategies Of Adults With Celiac Disease Adhering To A Gluten Free Diet?, Melissa Smith

Electronic Theses and Dissertations

Until recently, celiac disease was thought to be rare in the United States. However over the past ten years, the reported prevalence has increased from 1 in 4600 persons to 1 in 133 persons. The latest estimate makes the prevalence comparable to the prevalence in Europe, where the disease is considered to be common.

Celiac disease is a chronic illness occurring in genetically susceptible persons resulting in inflammatory changes in the upper small bowel as a consequence of intolerance to the gliadin in ingested wheat, rye, and barley. Fortunately, celiac disease can be effectively managed by strict adherence to a …

Design, Synthesis, And Characterization Of Novel Hydrophilic Fluorene-Based Derivatives For Bioimaging Applications, Dao Nguyen

Electronic Theses and Dissertations

In this work, hydrophilic fluorene-based derivatives that contain ethylene oxide substituents, have been synthesized and characterized for potential use as new fluorophores for bioimaging applications and for fluorescence sensing of heavy metals. Symmetrical and unsymmetrical fluorene derivatives based on structural types of acceptor-pi-acceptor, acceptor-pi-donor, and donor-pi-donor were characterized by TGA, UV-vis absorption, fluorescence emission, lifetime, anisotropy, and two-photon absorption (2PA) cross section. They were found to possess high thermal stability, high photostability, high fluorescence quantum yields, and generally large two-photon absorption cross sections, making them quite suitable for new probes in single-photon absorption and two-photon absorption fluorescence microscopy imaging. Novel …

Consumer Perspectives Of Health During Prenatal Care In The Usa And Iceland: An Exploratory Study, Claudia Wiseman

Electronic Theses and Dissertations

Purpose: Prenatal care (PNC) is the healthcare service most often provided to women of childbearing age throughout the world. Poorly understood and defined, based on culture, and expensive for any healthcare system, PNC remains a target for change and improvement. The purpose of this cross-national qualitative research study using narrative inquiry methods was to explore consumer perspectives of individual health and routine PNC in the USA and Iceland. Methods: A purposive sampling technique was used to identify study participants (n = 32) from the United States (n = 16) and Iceland (n = 16). Data were collected via a semi …

Digital Research Cycles: How Attitudes Toward Content, Culture And Technology Affect Web Development., Edward Scott

Electronic Theses and Dissertations

It has been estimated that one third of the world's population does not have access to "adequate" health care. Some 1.6 billion people live in countries experiencing "concentrated" acquired immune deficiency syndrome (AIDS) epidemics. Many countries in Africa--and other low-income countries--are in dire need of help providing adequate health care services to their citizens. They require more hands-on care from Western health workers--and training so more African health workers can eventually care for their own citizens. But these countries also need assistance acquiring and implementing both texts--the body of medical information potentially available to them--and technology--the means by which that …

Bacterial Selenoproteins: A Role In Pathogenesis And Targets For Antimicrobial Development, Sarah Rosario

Electronic Theses and Dissertations

Selenoproteins are unique proteins in which selenocysteine is inserted into the polypeptide chain by highly specialized translational machinery. They exist within all three kingdoms of life. The functions of these proteins in biology are still being defined. In particular, the importance of selenoproteins in pathogenic microorganisms has received little attention. We first established that a nosocomial pathogen, Clostridium difficile, utilizes a selenoenzyme dependent pathway for energy metabolism. Following this initial characterization, we demonstrate that this pathway is linked to production of toxins by this organism. Finally, we show that interruption of selenium metabolism is a viable pathway for development of …

A Study Of The Relationship Between Second-Order Change Leadership Behaviors Of Principals And School Grades Of Florida Title I Elementary Schools, Gonzalo La Cava

Electronic Theses and Dissertations

The purpose of this study was to determine the relationship between second-order change leadership behaviors and the grade assigned to schools in large urban districts by the Florida Department of Education (FLDOE). A total of 101 Title I elementary school principals from large urban school districts with 60+% students on Free and Reduced School Lunch participated in the study. Specifically, this study analyzed 7 of the 21 second-order change factor responsibilities. They include (a) knowledge of curriculum, instruction, assessment, (b) optimizer, (c) intellectual stimulation, (d) change agent, (e) monitoring/evaluating, (f) flexibility, and (g) ideals/beliefs. The findings of this study were …

The Impact Of Early Childhood Education Upon The Black-White Achievement Gap, Linda Zane

Electronic Theses and Dissertations

It can be argued that the current Black-White achievement gap provides evidence for a long-standing history of racial inequity within American society, as well as an informative barometer of progress toward educational parity. By all accounts, the measurements registered by this barometer continue to be cause for alarm. The disturbing Black-White achievement gap has been shown to be present in both mathematics and reading at every grade studied, from grades one through twelve (Jacobson, Olsen, Rice, Sweetland, & Ralph, 2001).

Many solutions have been put forth in an effort to reduce or eliminate this gap, but the findings of this …

Understanding A Woman's Moral Obligation To Her Fetus: Maternal-Fetal Conflict As A Covenant Relationship, Marianne Burda

Electronic Theses and Dissertations

Maternal-fetal conflict refers to a perceived incompatibility between the interests of a pregnant woman and her fetus. Maternal-fetal conflict occurs when a pregnant woman declines a medical treatment or procedure that her physician believes is necessary to benefit her fetus. In some situations, the pregnant woman's health is also at risk. The question explored in this dissertation is: what is the pregnant woman's moral obligation to her fetus when a cesarean section is recommended to save the life of or to prevent serious harm to her term viable fetus? The pregnant woman's life is not endangered.

Inconsistencies exist between normative …

Race And Health Behaviors: A Study Of Diabetes Among African American Adults., Tangela Towns

Electronic Theses and Dissertations

This project assesses the effects certain variables have on African American adults that suffer from diabetes. These include behaviors of African Americans that contribute to diabetes such as; diet behavior and physical activity. Thus, the focus of this study is to examine the effects of these health behaviors on the likelihood of having diabetes among African Americans. This assessment will be used to provide insights as they pertain to African Americans and diabetes.

Reintroduction Of Bison (Bison Bison) On Reservations In South Dakota: Four Case Studies, Trudy M. Ecoffey

Electronic Theses and Dissertations

This research explored and documented issues of sustainability associated with the reintroduction of bison in four different bison herds on Reservations in South Dakota. The four herds were managed by: a tribal family cooperative, an individual tribal member, a tribal university and a tribal fish and wildlife agency. The objectives were to identify management practices associated with the sustainability of bison introduction by American Indians; to explore the role of American Indian culture in the management of bison for sustainability; and to investigate rangeland criteria that could be used to measure sustainability of bison reintroduced by American Indians. This project …

Effects Of An Evidence-Based Intervention On Stress And Coping Of Families Of Critically Ill Trauma Patients, Sandra Knapp

Electronic Theses and Dissertations

Problem/Purpose: Critical care nurses are frequently exposed to the stress experienced by their patients' families, yet they often do not have the knowledge or skills to help family members cope with the stress of critical illness. While needs and stressors of families of the critically ill have been researched extensively, no prior studies have been conducted to determine the effects of an evidence-based nursing intervention for reducing family members' stress and improving their coping skills. The purpose of this study was to determine if an evidence-based nursing intervention designed to address the needs of family members would reduce stress and …

Claims Of Mistaken Identity: An Examination Of U.S. Television Food Commercials And The Adult Obesity Issue, Cristina Delgado

Electronic Theses and Dissertations

Obesity is one of the major public health issues in the United States, often regarded as part of a global crisis. Companies invest billions of dollars each year towards television advertising campaigns aimed at convincing audiences how their ground-breaking discovery 'battles the bulge' or somehow offers an increased health benefit. This study examined how advertisers presented health-related claims, including health and nutrient-content claims, in U.S. adult-targeted television food commercials. The claims were compared to FTC, FDA, and USDA laws, regulations, and recommendations. A content analysis of food advertising was conducted of commercials from major and cable network programs broadcast during …

The Role Of The Internet As A Tool To Aid In U.S. Adult Consumers' Weight Loss, Jaclyn Kirby

Electronic Theses and Dissertations

This thesis focuses on ways the Internet can positively influence and educate U.S. Americans to become healthier and eventually lose weight. Throughout the past 30 years, the percentage of overweight and obese adults in the U.S. has increased immensely, resulting in a nationwide epidemic (American Association for Public Opinion Research, 2006; Center for Disease Control, 2006; Goodman, 2005; The Obesity Society, 2008). The research question for this thesis is the following: What are the perceptions of U.S. adult consumers regarding the positive influence the Internet has on weight loss? In order to determine the influence of the Internet on U.S. …

Determinants Of Chloroplast Gene Expression And Applications Of Chloroplast Transformation In Lactuca Sativa And Nicotiana Tabacum, Tracey Ruhlman

Electronic Theses and Dissertations

Genetic modification of plastids in the model plant tobacco (Nicotiana tabacum) has demonstrated that numerous foreign gene products can accumulate to high levels in this setting. Plastid biotechnology is maturing to encompass the improvement of food and feed species and the production of biopharmaceutical proteins for oral delivery necessitating development of stable transplastomic edible plants. In the interest of establishing an edible platform we have investigated the use of native and foreign regulatory elements in relation to foreign gene expression in plastids. Multiple sequence alignments of intergenic regions for 20 species of angiosperm showed that despite 95% identity in the …

Go With The Flow: Examining The Effects Of Engagement Using Flow Theory And It's Relationship To Achievement And Performance, Karen Cooper

Electronic Theses and Dissertations

Virtual Worlds have become an attractive platform for work, play, and learning. Businesses, including the public sector and academia, are increasingly investing their time, money, and attention to understanding the value of virtual worlds as a productivity tool. For example, educators are leading the way with research in Second Life, one of the more popular virtual worlds, as a potentially powerful medium for creating and delivering instruction. Still, little is empirically known about the value of virtual worlds as viable learning platforms. This study examined the instructional potential of Second Life for creating engaging activities, and to investigate the relationship …

Tourists' Attitudes Toward The Use Of Animals In Tourist Attractions: An Empirical Investigation, Amir Shani

Electronic Theses and Dissertations

From time immemorial human beings have utilized animals for various needs and purposes, which led societies to debate the justification for using animals and to reflect on the way in which animals are treated. These concerns have also resulted in various contemporary studies aimed to reveal interest groups'--as well as the general publics'--views and opinions on the issues under dispute. Nevertheless, despite the considerable incorporation of animals in entertainment and leisure venues, only limited efforts have been geared towards exploring the ethical aspects of using animals in these initiatives. This lack of attention is especially evident in the tourism literature, …

Interrater Reliability Of Psychomotor Skill Assessment In Athletic Training, Jason Craddock

Electronic Theses and Dissertations

Assessment in athletic training education is an evolutionary process that is determined by each individual Athletic Training Education Program. The autonomy authorized by national accreditation standards allows academic programs to determine the appropriate assessment practices that facilitate the meeting of student learning outcomes. Even with autonomy, formative and summative techniques are to be employed in both the didactic and clinical arenas of athletic training education programs. The major objective of athletic training education is to prepare students for entry-level practice in athletic training. The purpose of this study was to assess interrater reliability of athletic training faculty and approved clinical …

The Effect Of The Dove Evolution Film As A One-Shot Media Literacy Treatment, Daniel Wheeler

Electronic Theses and Dissertations

The purpose of this study is to test the effectiveness of the Dove Evolution film as a one-shot media literacy treatment to change sociocultural attitudes toward appearance. Four speech classes at the University of Central Florida were used in a Solomon four-group design. Group 1 received a posttest; Group 2 received a pretest and a posttest; Group 3 received the treatment and posttest; and Group 4 received the pretest, treatment and posttest. The treatment consisted of the Dove Evolution film, a viral video introduced in 2006 by Dove as part of its Campaign for Real Beauty. The film has received …

Neurocognitive Correlates Of Body Image Disturbance, Elizabeth Frei

Electronic Theses and Dissertations

Body image, broadly defined as an individual's general experience of his or her physical appearance, is a multidimensional phenomenon that has been found to affect functioning throughout the lifetime. Although some degree of dissatisfaction has been found to be a common aspect of the female experience, research suggests that a disturbance in body image can result in a number of clinical complications, particularly the development of an eating disorder (ED). Despite the relationship between body image and EDs, examinations of the cognitive underpinnings of the relationship between body image disturbance and EDs are relatively few and inconclusive. Research indicates that …