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Successful Emergent Literacy Head Start Teachers Of Urban African American Boys Living In Poverty, John Michael Holland
Successful Emergent Literacy Head Start Teachers Of Urban African American Boys Living In Poverty, John Michael Holland
Theses and Dissertations
This integrated methods study used a sequential explanatory design to explore the culturally relevant teaching beliefs of successful emergent literacy Head Start teachers of urban African American boys living in poverty. The study utilized emergent literacy gain scores as a measure of success, a survey of culturally relevant teaching beliefs to describe variation in beliefs within the sample, and two rounds of interviews to explore the context of teacher agency with urban African American boys living in poverty. The four teachers interviewed expressed culturally relevant beliefs integral to their teaching practices. These beliefs were conveyed through descriptions of relationships with …
Ecological Momentary Assessment And Time-Varying Factors Associated With Eating And Physical Activity, Amy Jeffers
Ecological Momentary Assessment And Time-Varying Factors Associated With Eating And Physical Activity, Amy Jeffers
Theses and Dissertations
The obesity epidemic is a significant problem in the United States. It is well established that lifestyle factors, such as unhealthy eating and physical inactivity, are key contributors. These causes are generally voluntary activities and it is important to examine health decision-making with respect to these behaviors. The current study examined time-varying factors of stress and mood and their relationship with healthy eating and physical activity in a sample of undergrads (N = 26). Ecological momentary assessment via one's cell phone was used to collect multiple measurements over six days. Positive mood was found to follow physical activity episodes for …
Arsenic, Cadmium And Neuron Specific Enolase (Enolase-2, Enolase-Gamma), Expression In Breast And Bladder Cancer, Maureen Achey Soh
Arsenic, Cadmium And Neuron Specific Enolase (Enolase-2, Enolase-Gamma), Expression In Breast And Bladder Cancer, Maureen Achey Soh
Theses and Dissertations
Arsenic and cadmium (Cd+2) are well established environmental pollutants. Human exposure to arsenite (As+3) and Cd +2 have been associated with many types of cancers including skin, bladder, liver, prostate, stomach and lung. Epidemiological studies have associated Cd+2 exposure with breast cancer development while As +3 has not been directly associated with breast cancer development, although both As+3 and Cd+2 have been implicated in estrogen receptor mediated gene transcription and endocrine disruption. In the present study, the ability of both these heavy metals to transform the immortalized human breast epithelial (MCF-10A) cell line was examined. For this purpose, the MCF-10A …
Regulation Of Excitation-Contraction And Excitation-Transcription Coupling In Gastrointestinal Smooth Muscle By Caveolin-1, Sayak Bhattacharya
Regulation Of Excitation-Contraction And Excitation-Transcription Coupling In Gastrointestinal Smooth Muscle By Caveolin-1, Sayak Bhattacharya
Theses and Dissertations
Caveolae are integral part of the smooth muscle membrane and caveolins, the defining proteins of caveolae, act as scaffolding proteins for several G protein-coupled receptor signaling molecules and regulate cellular signaling through direct and indirect interactions with signaling proteins. Caveolin-1 is the predominant isoform in the smooth muscle and drives the formation of caveolae. However, little is known about the role of caveolin-1 in the regulation of excitation-contraction and excitation-transcription coupling in gastrointestinal smooth muscle. In the present study we have characterized muscarinic m2 and m3 receptor signaling in gastric smooth muscle and tested the hypothesis that caveolin-1 positively regulates …
Healthy And Unhealthy Diet Intake And Carotid Intima Media Thickness In Older Adults, Kelsey Joelle Da Silva
Healthy And Unhealthy Diet Intake And Carotid Intima Media Thickness In Older Adults, Kelsey Joelle Da Silva
Theses and Dissertations
Background -- Cardiovascular disease (CVD) is a primary premature killer of adults and risk of CVD has been linked to modifiable risk factors including dietary intake. Many diet assessment tools are costly, time consuming, and complicated. This study investigated the relationship between diet quality and cardiovascular disease risk as indicated by carotid intima-media thickness (cIMT) using a validated, simple, self-administered rapid food screener. Methods -- Participants were 51 male and 33 female older adults with an average age of 67 years. Carotid intima-media thickness was assessed using B-mode high resolution diagnostic ultrasound. Unhealthy and healthy diet intake was assessed using …
On The Genetic And Environmental Associations Between Body Composition, Depression Symptoms And Smoking Behavior., Roseann Peterson
On The Genetic And Environmental Associations Between Body Composition, Depression Symptoms And Smoking Behavior., Roseann Peterson
Theses and Dissertations
Obesity is a serious public health crisis and recent estimates of its incidence are the highest in United States history, with 35% and 17% of American adults and children affected, respectively. The clinical definition of adult obesity is operationalized as a body mass index (BMI) greater than 30 kg/m2. Although the prevalence of common obesity has increased dramatically over the past 30 years–largely thought to be due to changes in the environment, such as high calorie diets and sedentary lifestyles—twin and family studies have shown consistently that relative body weight is under considerable genetic influence in both children and adults, …
Using Public Relations Techniques To Market Organic Food: Understanding Consumer Buying Behavior, Catherine Girone
Using Public Relations Techniques To Market Organic Food: Understanding Consumer Buying Behavior, Catherine Girone
Theses and Dissertations
The purposes of this research were to determine which consumers tend to purchase fresh organic food and which consumers tend to purchase packaged organic food, which type of messaging organic food distributors rely on to entice customers and which messages work most effectively to promote organic food consumption, and which channels different organic consumers use to gain knowledge about organic food. Implications for organic food marketing are discussed.
Older Adult Perceptions Of Physical Activity, Selinda Janssen
Older Adult Perceptions Of Physical Activity, Selinda Janssen
Theses and Dissertations
Physical activity (PA) decreases the risk of age-associated illness and functional impairments; however, older adults engage in PA at a lower rate than any other age group (Center for Disease Control and Prevention, 2006). The purpose of this study is to determine how PA becomes sustainable in older adults over the age of 65 in order to guide effective wellness programming. This Will help older adults age in place rather than having to move into institutions due to illness or functional impairments. This is a phenomenological study that includes interviews and observations of 15 community dwelling older adults. In the …
Health And Religious Commitment Among College Students: The Effects Of Health Behavior, Mental Health, And Social Support, Monica Yvette Jones
Health And Religious Commitment Among College Students: The Effects Of Health Behavior, Mental Health, And Social Support, Monica Yvette Jones
Theses and Dissertations
Empirical findings supporting the connection between religion and spirituality and health have been consistently found in the literature, whereas the factors explaining this relationship have lacked clarity. The present study sought to explore this relationship and establish health behavior, mental health, and social support as mediating factors to the proposed association between religious commitment and physical health. Physical health was measured by a number of indicators: body mass index, self-reported medical conditions, prescription drug use, over-the-counter medication usage, and problem use of drugs and alcohol. A sample of 150 college students from a university in Central Virginia participated in this …
Identifying Factors And Quantifying Their Impact On Transportation Costs Of Pre-Processes Biomass, Daniela Sofia Gonzales
Identifying Factors And Quantifying Their Impact On Transportation Costs Of Pre-Processes Biomass, Daniela Sofia Gonzales
Theses and Dissertations
This research presents a rail transportation cost analysis of bulk agricultural commodities (such as grain and wood chips) with similar characteristics as pre-processed biomass. This study analyzes the cost factors that affect rail pricing for shipments of bulk-commodities (such as grain) from the Midwest to various regions in the US using regression analysis theories. The rail cost equations developed from the regression analysis were used to compare the trade-offs that exist between truck, rail and barge transportation of pre-processed biomass.
Physical Activity And Fruit And Vegetable Consumption Habits In College Student Smokers, Social Smokers, And Nonsmokers, Timothy Chad Murphy
Physical Activity And Fruit And Vegetable Consumption Habits In College Student Smokers, Social Smokers, And Nonsmokers, Timothy Chad Murphy
Theses and Dissertations
Smoking, physical activity, and insufficient fruit and vegetable consumption have been linked to increased instances of coronary heart disease, stroke, peripheral vascular disease, chronic obstructive lung disease, type 2 diabetes, osteoporosis, depression, hypertension, numerous cancers, and complications surrounding blood pressure and blood cholesterol. In the United States approximately 22% of college students have smoked at least one cigarette in the past 30 days; 70-85% are not meeting recommended levels of physical activity; and 75% are not consuming recommended levels of fruits and vegetables. The purpose of this study was to investigate differences in physical activity and fruit and vegetable consumption …
Potential Of Great Egrets To Be Vectors For The Transmission Of S Virulent Strain Of Aeromonas Hydrophila Between Channel Catfish Culture Pond, Madison Mccall Jubirt
Potential Of Great Egrets To Be Vectors For The Transmission Of S Virulent Strain Of Aeromonas Hydrophila Between Channel Catfish Culture Pond, Madison Mccall Jubirt
Theses and Dissertations
Aeromonas hydrophila is a Gram-negative, rod shaped, facultative anaerobic bacterium that is ubiquitous to freshwater and slightly brackish aquatic environments and can cause infections in fish, humans, reptiles, and avian species. Recent severe outbreaks of disease in catfish aquaculture have been associated with a highly virulent Aeromonas hydrophila strain (VAH) that is genetically distinct from less virulent strains. Given that A. hydrophila is known to infect birds, we hypothesized that fish eating birds may serve as a reservoir for VAH and spread the pathogen by flying to uninfected ponds. Great Egrets were used in this transmission model because these wading …
Principals' Perceptions Of Factors Associated With The Implementation Of School Wellness Policies, Melissa Davis
Principals' Perceptions Of Factors Associated With The Implementation Of School Wellness Policies, Melissa Davis
Theses and Dissertations
Approximately 1/3 of the children in the United States are overweight or obese. Children in Mississippi have the highest rate of obesity among all other states. The outcome of this epidemic presents an increase in poor health. To address the problems associated with overweight and obesity among children, schools in the U.S. were required to develop school wellness policies. School principals were identified as key individuals in overseeing the development and implementation of the policies. Existing research studies show a strong relationship or association between student health and academic achievement. The purpose of this research study was to investigate elementary …
Chronobiology Of Lygus Lineolaris (Heteroptera: Miridae): Implications For Rearing And Pest Management, Sarah Rose Self
Chronobiology Of Lygus Lineolaris (Heteroptera: Miridae): Implications For Rearing And Pest Management, Sarah Rose Self
Theses and Dissertations
This research project consisted of three primary objectives: (1) Improve rearing methods for L. lineolaris, (2) Determine if selected behaviors displaying photoperiodicity are under circadian control, and (3) Estimate phase angle shifts of selected circadian rhythms, in an effort to contribute toward the future improvement of current integrated pest management techniques. Improving rearing methods was accomplished in three areas: (1) Estimating the optimal stocking rate to maximize production while maintaining acceptable insect quality as a function of photoperiodic regime, (2) Estimating fecundity at the optimal stocking rate and photoperiodic regime, and (3) Determining the timing of oviposition, mating, feeding and …
Educational And Informational Delivery Method Preferences Of Mississippi Beef Cattle Producers, Garrett Michael Steede
Educational And Informational Delivery Method Preferences Of Mississippi Beef Cattle Producers, Garrett Michael Steede
Theses and Dissertations
Due to the production costs associated with beef cattle production, it is important to equip beef cattle producers with sound, research-driven information to aid in the decision making process regarding their operation. Extension personnel as well as other organizations involved with beef cattle producers should be knowledgeable of the audience that they are disseminating information to and how this audience prefers to receive information. Knowing the demographics and educational and informational needs of the audience helps shape programming endeavors to meet the needs of the audience. The beef cattle producers surveyed indicated that they preferred to receive information from farm …
Effects Of Glycine-Arginine-Alpha-Ketoisocaproic Acid Calcium (Gakic) On Maximal Strength And Multiple Bouts Of Resistance Exercise, Laura Anne Hilton
Effects Of Glycine-Arginine-Alpha-Ketoisocaproic Acid Calcium (Gakic) On Maximal Strength And Multiple Bouts Of Resistance Exercise, Laura Anne Hilton
Theses and Dissertations
Glycine-arginine-alpha-ketoisocaproic acid calcium (GAKIC) is an amino acid combination postulated to improve dynamic performance of skeletal muscle during acute, anaerobic exercise in healthy individuals. Purpose: The purpose of this study was to determine the ergogenic effects of GAKIC ingestion on resistance training performance in both trained male and female participants. Methods: Utilizing a double-blinded, crossover design, male participants completed a lower body leg press resistance exercise protocol and female participants completed a lower body leg extension resistance exercise protocol once using 10.2 g GAKIC and the other with a placebo. Results: A significant increase in TLV after GAKIC supplementation was …
Use Of Whey-Based Edible Coatings As Antioxidative And Antimicrobial Agents, Sashie Weerasinghe
Use Of Whey-Based Edible Coatings As Antioxidative And Antimicrobial Agents, Sashie Weerasinghe
Theses and Dissertations
Edam and Cheddar whey were thermized (T) for different time periods (5–30 min) at 70 degrees Celsius, vacuum evaporated, and spray dried to obtain whey powders (WP). Native and thermized WP were evaluated for antioxidative properties. Edam and Cheddar WP significantly reduced thiobarbituric acid-reactive substances (TBARS) and peroxide value (PV) in ferric-catalyzed soybean oil emulsions. Thermization significantly improved antioxidative properties of WP with 5T, 10T, and 15T treatments showing better protective effects compared to 20T and 30T treatments. Based on these results, native (0T) and thermized (5T, 10T, and 15T) Edam and Cheddar WP coatings, with and without enzymatically hydrolyzed …
Varietal Loblolly (Pinus Taeda L.) Response To Various Management Schemes And Comparison Among Genetic Improvement Levels, Billy Landis Herrin
Varietal Loblolly (Pinus Taeda L.) Response To Various Management Schemes And Comparison Among Genetic Improvement Levels, Billy Landis Herrin
Theses and Dissertations
Increased growth rates, wood quality, and disease resistance have been accomplished within loblolly pine (Pinus taeda L.) through genetic selection and improved management practices. Genetic engineering of trees has the potential to further improve these selections but also needs to be tested. Two studies were conducted. Study one compares three levels of genetic improvement: Mass-Control Pollinated (MCP), Second Generation Op (2nd gen), and Varietal Material. After three years the MCP material had larger mean heights, mean diameters, and mean volume than the other two genetic entities. However the top five performing varietals were about 0.5 feet taller than the MCP …
In Vitro Catalytic Activity And Inhibition Study Of Prnb From Burkholderia Ambifaria, Qi Ge
In Vitro Catalytic Activity And Inhibition Study Of Prnb From Burkholderia Ambifaria, Qi Ge
Theses and Dissertations
PrnB is a heme-containing enzyme, which catalyzes the ring rearrangement reaction of 7-chlorotryptophan to produce 3-(3-Chloro-2-nitrophenyl)pyrrole. This thesis describes the initial isolation and characterization of PrnB, the second enzyme associated with the pyrrolnitrin biosynthetic pathway in Burkholderia ambifaria. Additionally, alternative peroxidase reactivity was used to study how amino-acids bind to the substrate binding pocket of PrnB. The peroxidase activity of PrnB was measured using three different peroxidase activity assays at various pH values. The peroxidase data was compared to similar studies with the classic peroxidase, Horseradish peroxidase (HRP). Generally, PrnB showed weak peroxidase reactivity. However this weak reactivity was an …
Influence Of Fresh And Processed Tannic Acid, And Fresh Tannic Acid, And Fresh Tannic Acid Plus Phosphate On Catfish Fillet Color, Microbial Shelf Life And Oxidation, Guilherme Filizzola Cury
Influence Of Fresh And Processed Tannic Acid, And Fresh Tannic Acid, And Fresh Tannic Acid Plus Phosphate On Catfish Fillet Color, Microbial Shelf Life And Oxidation, Guilherme Filizzola Cury
Theses and Dissertations
Fresh tannic acid (5%) (FTA), heated to 121C for 15 min (PTA), and the combination of FTA and phosphates (FPH) were vacuum tumbled with catfish fillets and compared to water tumbled fillets (CTL). Fillets treated with FTA or PTA had higher whiteness whereas all treated fillets had higher chroma values than CTL, resulting in a deeper yellow color fillet. Microbial shelf life (CTL, log CFU/g, APC) of FTA and PTA treated fillets was extended by two days, to11.8 d at 4C, but FPH fillets did not reach over 5 log CFU/g for 15 d of storage. Fat from FTA and …
Impact Of Sodium Lactate And Acetic Acid Derivatives On The Quality Of Fresh Italian Pork Sausage Links, Courtney Alissa Crist
Impact Of Sodium Lactate And Acetic Acid Derivatives On The Quality Of Fresh Italian Pork Sausage Links, Courtney Alissa Crist
Theses and Dissertations
Sodium lactate and acetic acid derivatives were evaluated for their impact on fresh Italian pork sausage links using commercial pork trimmings. Treatments included: 2.5% acetic acid (48.5%) –sodium lactate mixture (51.5%) (V), 2.5% sodium lactate (60% solids) (S), control –0.02% BHA/BHT (B) and negative control –seasoning only (C). Analysis over storage included total plate count (TPC), oxidative rancidity (TBARS), sensory analysis (descriptive and consumer), cooking loss, pH, and color. The S and V treatments had lower TPC (P<0.05) from days 5 through 14 when compared to B and C. TBARS values increased (P<0.05) for treatments C, S, and V while B was did not change (P>0.05) over time. While CIE a* surface values for redness generally decreased over time for all treatments, treatment B maintained more redness …
Effectiveness Of Phosphorus Fertilizers In Hydroponics And Glasshouse Settings With Moderate And High Organic Matter Soils, Jeffrey Sean Christian Summerhays
Effectiveness Of Phosphorus Fertilizers In Hydroponics And Glasshouse Settings With Moderate And High Organic Matter Soils, Jeffrey Sean Christian Summerhays
Theses and Dissertations
Phosphorus (P) is poorly soluble in most soils and, thus, has poor plant uptake efficiency. AVAIL® and Carbond P (CBP) are new fertilizer products shown to increase P use efficiency (PUE) and increase crop yields when grown in P limiting soils. Carbond P has specifically been seen to increases P uptake and crop yields in soils low in P, although effectiveness in regards to soil organic matter is unknown. The objectives of these studies were to determine if the mode of action for these products is related to physiological response, to determine if Carbond P is toxic to plant roots …
Characterization And Variable Expression Of The Cslf6 Homologs In Oat (Avena Sp.), Melissa A. Coon
Characterization And Variable Expression Of The Cslf6 Homologs In Oat (Avena Sp.), Melissa A. Coon
Theses and Dissertations
(1,3;1,4)-β- D-glucan (β-glucan) is a plant cell wall hemicellulose and a main component of endosperm cell walls. The Cellulose Synthase F family of genes is involved in the synthesis of β-glucan. In this study full-length genomic sequences of CslF6 were obtained from multiple Avena species. Three unique alleles were found in each A. sativa line. Comparisons of these alleles to diploid Avena species allowed for identification of the genomic origin of each allele. The A and D genome alleles had identical amino acid sequences while the C-genome had 13 different amino acids. Global expression of CslF6 was completed at three …
Ocean Acidification: Understanding The Coastal Carbon Pump In A High Co2 World, Rachel Cooper
Ocean Acidification: Understanding The Coastal Carbon Pump In A High Co2 World, Rachel Cooper
Theses and Dissertations
Since the 1800s, carbon dioxide emissions due to human activities have contributed significantly to the amount of carbon in the atmosphere. Approximately a third of this carbon is absorbed by the ocean, through air-sea fluxes at the ocean surface (Sabine, 2004). Increased CO2 has changed the carbon chemistry of the ocean and hence the pH. pH is expected to drop by 0.4 by the year 2100. It is unclear how this lower pH will affect carbon cycling and sequestration with respect to the biological carbon pump. Most studies have focused on open ocean phytoplankton or bacterial communities in large, stationary …
Preparation And Characterization Of A Self-Crimp Side-By-Side Bicomponent Electrospun Material, Yang Han
Preparation And Characterization Of A Self-Crimp Side-By-Side Bicomponent Electrospun Material, Yang Han
Theses and Dissertations
Bicomponent composite fibers have been widely used in the textile industry and are gaining increasing attention on biomedical applications. In this research, polycaprolactone/poly (lactic acid) side-by-side bicomponent fibers were created for the application of a biodegradable scaffold. The side-by-side structure endowed the fiber with self-crimps when it was processed under certain conditions. This material was produced by electrospinning and collected on a high speed rotating mandrel to get highly oriented fibers. A mechanical stretch at the same direction was done followed by a wet heat treatment for polymer retraction. Crimped fibers were demonstrated by scanning electron microscopy. The quantitative porosity …
Gerontology Simulation To Enhance Undergraduate Nursing Student Learning, Karen J. Clementich
Gerontology Simulation To Enhance Undergraduate Nursing Student Learning, Karen J. Clementich
Theses and Dissertations
No abstract provided.
Podcasting In Educational Settings: What Works Best?, Tzuhan Chen
Podcasting In Educational Settings: What Works Best?, Tzuhan Chen
Theses and Dissertations
This paper examined three major instructional technologies, generally associated with Web 2.0: wikis, blogs and podcasting. The main focus of the study is to explore the application, characteristics, advantages, disadvantages of podcasting, and in particular, its influence on teaching and learning. The study provided a comprehensive literature review, a report of the findings from interviews of three educators, and is followed by a discussion of the emergent themes and their relevance to literature review. The purpose of the study is to identify how to make best use of podcasts in educational settings. The findings of the study suggested that in …
Mathematical Model And Experimental Exploration Of The Nanoinjector Lance Array, Nathan C. Toone
Mathematical Model And Experimental Exploration Of The Nanoinjector Lance Array, Nathan C. Toone
Theses and Dissertations
The Nanoinjector Lance Array has been developed to inject foreign material into thousands of cells at once using electrophoresis to attract and repel particles to and from the electrically-charged lances. A mathematical computer model simulating the motion of attracted or repelled proteins informs the design of the nanoinjection lance array system. The model is validated by accurately predicting protein velocity in electrophoresis experiments. A complete analysis of parameters is conducted via simulations and specific research questions regarding the counter electrode of the nanoinjector lance array system are explored using the model. A novel technique for fabricating lance arrays from collapsed …
Relationship Between Total Body Mass, Fat-Free Mass, Fat Mass, And Bone Mineral Density Of The Hip In Middle-Age Women: The Roles Of Diet, Physical Activity, And Menopause, Elizabeth Reid Fosson
Relationship Between Total Body Mass, Fat-Free Mass, Fat Mass, And Bone Mineral Density Of The Hip In Middle-Age Women: The Roles Of Diet, Physical Activity, And Menopause, Elizabeth Reid Fosson
Theses and Dissertations
Objective: This study was conducted to investigate the relationship between hip bone mineral density (BMD), fat free mass (FFM), fat mass (FM), and total body mass (TBM) and the extent to which these relationships were modified by various confounding factors. The cross-sectional analysis included 262 healthy females (mean age 41.6±3.0 years). Methods: BMD of the hip and body composition were assessed by the Hologic 4500W dual energy x-ray absorptiometry (DXA) system. Total and intensity of physical activity (PA) were objectively measured using an Actigraph accelerometer. Dietary calcium and vitamin D from food and beverages, as well as from supplements, were …
Spag16 Is A Bifunctional Gene Regulating Male Fertility, David R. Nagarkatti-Gude
Spag16 Is A Bifunctional Gene Regulating Male Fertility, David R. Nagarkatti-Gude
Theses and Dissertations
SPAG16 is the murine orthologue of Chlamydomonas reinhardtii PF20, a protein known to be essential to the structure and function of the “9 + 2” axoneme. The “9 + 2” axoneme provides the cytoskeletal core of all eukaryotic motile cilia and flagella. In Chlamydomonas, the Pf20 gene encodes a single protein present in the central pair of the axoneme. Loss of Pf20 prevents central pair assembly and results in flagellar paralysis. The murine Spag16 gene encodes two proteins. While 71 kDa SPAG16L is found in all murine cells with motile cilia or flagella, 35 kDa SPAG16S transcript and protein are …