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Full-Text Articles in Entire DC Network
An Analysis Of The Moisture And Moist Static Energy Budgets In Amip Simulations, Kristine Adelaide Boykin
An Analysis Of The Moisture And Moist Static Energy Budgets In Amip Simulations, Kristine Adelaide Boykin
Theses and Dissertations
An analysis of the second phase of the Atmospheric Model Intercomparison Project (AMIP) simulations has been conducted to understand the physical processes that control precipitation in the tropics. This is achieved primarily through the analysis of the moisture and moist static energy budgets. Overall, there is broad agreement between the simulated and observed precipitation, although specific tropical regions such as the Maritime Continent poses challenges to these simulations. The models in general capture the latitudinal distribution of precipitation and key precipitating regions including the Inter-Tropical Convergence Zone (ITCZ) and the Asian Monsoon. The simulations portrayed the global patterns of evaporation …
Involvement Patterns Of International Students And Their Overall College Experience, Kesiane C. Costa-String
Involvement Patterns Of International Students And Their Overall College Experience, Kesiane C. Costa-String
Theses and Dissertations
The goal of this mix method study was to examine the involvement patterns of Rowan University international undergraduate students and their overall college experience and satisfaction. The study further explored what services are most used from international students at Rowan University. The survey sample included the available population of all international undergraduate students from Rowan University, Glassboro main campus, during spring 2015. Of the 59 international undergraduate students who received the survey, 33 students responded yielding a 56% response rate. The purposive sample included four undergraduate international students from Rowan University, Glassboro, main campus, enrolled during the 2014-2015 academic year, …
Synthetic And Biological Exploration Of (+)-Boldine - Identification Of Potential Cns Receptor Ligands, Sujay Joseph
Synthetic And Biological Exploration Of (+)-Boldine - Identification Of Potential Cns Receptor Ligands, Sujay Joseph
Theses and Dissertations
(+)-Boldine, an aporphine alkaloid, is reported to be biologically active at various Central Nervous System(CNS) receptors. However, only a few Structure Activity Relationship(SAR) studies have been conducted using boldine’s aporphine scaffold. A library of novel analogs was synthesized from boldine to understand the effect of bisbenzylation at C2 and C9 positions on the affinity and selectivity at the serotonin receptors.
Effects Of Extended Time Accommodation For Those With Adhd, Jacqueline Gardner
Effects Of Extended Time Accommodation For Those With Adhd, Jacqueline Gardner
Theses and Dissertations
Attention Deficit Hyperactivity Disorder (ADHD) is one of the most common neurodevelopmental disorders of childhood. There is a great deal of published literature that supports the effect of interventions for students at the elementary and secondary levels, however there is limited research that analyzes interventions for college students with ADHD. The purpose of this study is to evaluate the effectiveness of extended time accommodations for college students with and without ADHD. It was hypothesized that students with ADHD would perform better when given extended time to complete assignments. A mixed ANOVA used to investigate the differences in test scores of …
Influence Of Mentors Of Female Development Among Higher Education Administrative Professionals, Courtney Van Leuvan
Influence Of Mentors Of Female Development Among Higher Education Administrative Professionals, Courtney Van Leuvan
Theses and Dissertations
Leadership is a socially constructed concept that has been seen as a masculine quality; because of this women struggle reaching leadership positions and face many challenges when holding leadership positions. This study investigated the development of leadership styles and qualities of selected female administrative leaders at Rowan University through survey and interview data. The study specifically looked at the influence of these women’s mentors on their leadership development. The findings of the study showed that the women reported no negative experiences with male mentors, however several with female mentors. The interviews also revealed that there were differences among qualities and …
Synthesis And Characterization Of Ferrous Nanoparticles And Polymer-Grafted Ferrous Nanoparticles With An Examination Of Thermal And Magnetic Properties, Swati Kumari
Theses and Dissertations
Energy harvesting using ferrofluid in OHP. Characterization of as-synthesized (bare) and surface-modified ferrofluid samples was performed using Fourier transform infrared spectroscopy, dynamic light scattering, X-ray powder diffraction, transmission electron microscopy, and atomic force microscopy. These ferrofluids were tested in a novel oscillating heat pipe set-up was utilized to harvest electricity, demonstrating the concept of ferrofluidic induction. Cobalterrite nanoparticles surface-modified with citric acid demonstrated good magnetic strengths and generated voltages close to those of the as-synthesized ferrofluids while maintaining dispersion. Surface modification of ferrous nanoparticles with SRP. Thermo responsive polymer poly(N-isopropylacrylamide) was successfully grown from the surface of cobalt-zinc ferrite nanoparticles. …
The Thermodynamics Of Ligand Association And Molecular Recognition Of Cationic And Metallated Porphyrins And Ruthenium Complexes With Model Dna Constructs, Jesse I. Dupont
Theses and Dissertations
Molecular recognition, particularly as it applies to strong binding interactions between complementary ligand/receptor molecules in solution, is important in such varied areas as molecular biology, pharmacology, synthetic chemistry, and chemical detection. Strong binding is the additive result of a number of specific, weak, non-covalent interactions occurring between complementary molecules. This dissertation reports on the energetics of forming complexes between small molecules and model DNA constructs. Ligands included cationic and metallated cationic porphyrins and polyheterocyclic ruthenium compounds. DNA receptors included double stranded B-DNAs (hairpin and short linear sequences) as well G-quadruplex DNAs. Thermodynamic data were collected using isothermal titration calorimetry, circular …
Orbital Study Of Msu Cubesath, Ayoub El Brouzi
Orbital Study Of Msu Cubesath, Ayoub El Brouzi
Theses and Dissertations
The project is an orbital design study of a proposed CubeSat at Mississippi State University. The launch date is not specified. As for the mission, it is defined as forest fire detection. CubeSats are small satellites that are 10 x 10 x 10 cm in dimension and has a mass no more than 1 kg. They are currently used in different applications in many countries as an easy access to space. The analyses of this project have been carried out using a commercial software package, System Tool Kit (STK), developed by Analytical Graphics, Incorporated. This software provides a tool for …
Structure Property Relationship Of Porcine Adipose Tissue, Ashma Sharma
Structure Property Relationship Of Porcine Adipose Tissue, Ashma Sharma
Theses and Dissertations
Adipose tissue, also known as fat tissue are the lipid filled cells with various functions such as, shock absorber, energy storage, and thermal insulation. In this study, the impact of compressive stress at the microstructural level on the porcine abdominal adipose tissue is analyzed under different strain rates of 0.1%, 1%, and 10%. The compressed tissues were fixed in formalin followed by hematoxylin and eosin staining, which were further analyzed at the cellular level using an optical microscope. The preliminary results showed a linear relationship between stress and strain up to 20% strain amplitude. Additionally, the stiffness of the fat …
Lightly Cementing Marginal Materials To Improve Sustainability And Economic Competitiveness Near Ports And Harbors, Braden T. Smith
Lightly Cementing Marginal Materials To Improve Sustainability And Economic Competitiveness Near Ports And Harbors, Braden T. Smith
Theses and Dissertations
Large amounts of dredged sediment are removed from ports and river channels annually to maintain necessary depths in the maritime industry. The most common management approach for dredged soils throughout the southeast US is disposal in confined facilities. This may be the most feasible approach for ports with modest amounts of dredged soil and ample capacity for disposal. However, there is likely a more feasible option for some ports desiring to increase dredged soil containment capacity. This thesis evaluates the beneficial reuse of dredged soils after lightly cementing with 5.0% or less cement by slurry mass. A previously conducted survey …
Auxin Herbicide Effects On Glyphosate Efficacy And Cotton (Gossypium Hirsutum) Yield, Chad Lee Smith
Auxin Herbicide Effects On Glyphosate Efficacy And Cotton (Gossypium Hirsutum) Yield, Chad Lee Smith
Theses and Dissertations
Field, greenhouse and laboratory experiments were implemented to investigate the effects of auxin herbicides on growth and yield of cotton in glyphosate based systems. Field experiments evaluated the effect of rate and timing of dicamba or 2,4-D exposure when applied in glyphosate-resistant cotton. Increasing rates of either dicamba or 2,4-D resulted in increased injury and yield reductions. Initial injury symptomology was similar for cotton exposed at vegetative and reproductive stages. When cotton was exposed to auxin herbicides during vegetative growth, injury increased with time, while foliar injury during reproductive growth was stagnant and often decreased with time. Subsequently, the strongest …
Examining Diversity And Inclusion In The Federal Workforce And The Impact Of Inclusion On Employee Engagement, Ashley N. Settles
Examining Diversity And Inclusion In The Federal Workforce And The Impact Of Inclusion On Employee Engagement, Ashley N. Settles
Theses and Dissertations
As a result of globalization, developing markets, and demographic changes in the U.S. labor force, the United States has become increasingly diverse. Therefore, diversity and inclusion is a vital part of our society. Diversity is often viewed as a double-edge sword. Proponents argue that the benefits of diversity include greater creativity, innovation, and improved organizational performance. Opponents argue that organizational diversity is costly, increases conflict, and is overall unfair. No matter what side of the diversity argument that you find yourself, there is a general sentiment that diversity alone, is not enough. The goal is to make workplaces inclusive. In …
The Evolution Of Wing Pattern In Micropterigidae (Insecta: Lepidoptera), Sandra Rose Schachat
The Evolution Of Wing Pattern In Micropterigidae (Insecta: Lepidoptera), Sandra Rose Schachat
Theses and Dissertations
Despite the biological importance of lepidopteran wing patterns, homologies between pattern elements in different lineages are still not understood. Though plesiomorphic wing veins influence color patterning even when not expressed in the adult wing, most studies of wing pattern evolution have focused on derived taxa with reduced venation. Here I address this gap with an examination of Micropterigidae, a very early-diverged family in which all known plesiomorphic lepidopteran veins are expressed in the adult wing. Differences between the coloration of transverse bands in Micropterix and Sabatinca suggest that homologies exist between the contrast boundaries that divide wing pattern elements. Because …
The Numerical Solutions Of Fractional Differential Equations With Fractional Taylor Vector, Vidhya Krishnasamysaraswathy
The Numerical Solutions Of Fractional Differential Equations With Fractional Taylor Vector, Vidhya Krishnasamysaraswathy
Theses and Dissertations
In this dissertation, a new numerical method for solving fractional calculus problems is presented. The method is based upon the fractional Taylor vector approximations. The operational matrix of the fractional integration for the fractional Taylor vector is introduced. This matrix is then utilized to reduce the solution of the fractional calculus problems to the solution of a system of algebraic equations. This method is used to solve fractional differential equations, Bagley-Torvik equations, fractional integro-differential equations, and fractional duffing problems. Illustrative examples are included to demonstrate the validity and applicability of this technique.
The Reconstruction And Analysis Of Oral Microbiome Composition Using Dental Calculus From The Mississippi State Asylum (1855-1935), Jackson, Ms, Jonathan Robert Belanich
The Reconstruction And Analysis Of Oral Microbiome Composition Using Dental Calculus From The Mississippi State Asylum (1855-1935), Jackson, Ms, Jonathan Robert Belanich
Theses and Dissertations
The human oral microbiome is the total amount of microbial biodiversity present in the oral cavity and, given its relevance to human health and disease, has recently become a foci for study. By analyzing dental calculus, and sequencing the bacterial DNA, it is possible to reconstruct and examine the oral microbiomes of past individuals. In this study, dental calculus was sampled from (N=4) skeletons recovered from the cemetery of the mid 19th- 20th, century Mississippi State Asylum in Jackson, MS. Bacterial DNA isolation and shotgun sequencing were successful, with 16S analyses yielding an average of 96 identified species. All samples …
Precipitation Of Aragonite Under Anoxic Conditions: An Experimental Study, Jonney Mitchell
Precipitation Of Aragonite Under Anoxic Conditions: An Experimental Study, Jonney Mitchell
Theses and Dissertations
Calcium carbonate minerals (CaCO3) are important for our understanding of past marine conditions as well as tools for constructing paleoclimate. However, very little experimental work has been done to determine the influence of oxygen depletion on the geochemistry of CaCO3. To determine how oxygen depletion affects elemental incorporation and partitioning, aragonite was grown inorganically in artificial seawater at pressures of 1 atm and 5 bars (0.1%CH4-N2 mixture). Solution of Na2CO3 was used to induce aragonite precipitation. N2 was bubbled through solution in order to minimize oxygen content and iron powder was used to trap remaining O2. Experimental products (aragonite and …
Evaluating The Effectiveness Of Integrating Food Science Lessons In High School Biology Curriculum In Comparison To High School Chemistry Curriculum, Lauren Elizabeth Ivey
Evaluating The Effectiveness Of Integrating Food Science Lessons In High School Biology Curriculum In Comparison To High School Chemistry Curriculum, Lauren Elizabeth Ivey
Theses and Dissertations
Historically, high school chemistry has been the predominate venue for introducing food science curriculum to students. The purpose of this research was to determine if high school students in a biology class without a chemistry background could comprehend eight basic food science principles equally as well as students in a chemistry class that were taught the same principles. This study assessed baseline knowledge of high school students, determined the effect of food science-based lessons on baseline knowledge and level of understanding, and determined the effect of food science-based lessons on students’ awareness of and interest in food science. Baseline knowledge …
Addressing Questions Of Prehistoric Occupation Seasonality At Freshwater Mussel Shell Ring Sites In The Mississippi Delta: Applications In Carbonate Geochemistry And Zooarchaeology, Joseph Alan Mitchell
Addressing Questions Of Prehistoric Occupation Seasonality At Freshwater Mussel Shell Ring Sites In The Mississippi Delta: Applications In Carbonate Geochemistry And Zooarchaeology, Joseph Alan Mitchell
Theses and Dissertations
Seasonality estimates based on archaeological shellfish remains have been an important component of settlement pattern reconstruction. Investigations of this nature allow researchers to place prehistoric people on the landscape at points in space at different times of the year. Many of the previous seasonality studies, however, have focused on marine species from coastal sites, with little attention given to freshwater locales, especially ones in the Mississippi Delta. To address that disparity, this study examines freshwater mussel “season of capture” via analysis of stable oxygen isotope ratios in specimens recovered from two Late Woodland sites located along the Yazoo River, Mississippi. …
Beach Users Perception Of Design Alternatives Of A Man Made Beach, Shelby Hooker Rayburn
Beach Users Perception Of Design Alternatives Of A Man Made Beach, Shelby Hooker Rayburn
Theses and Dissertations
The 42-kilometer beach in Harrison County, Mississippi necessitates continual re-nourishment projects to ensure its survival due to constant erosion events. The stability that the root structures of vegetated beaches provide have been shown to be a countermeasure to these erosion events. It has also been shown that the public will utilize landscapes that they find to be attractive. Therefore, the purpose of this thesis is to ascertain whether beach users find vegetated beaches more attractive than un-vegetated beaches. In several Harrison County communities, beach users were surveyed through the use of a Visual Preference Survey and an accompanying questionnaire to …
The Ecological Significance Of Phyllosphere Leaf Traits On Throughfall Hydrology, Biogeochemistry, And Leaf Litter Quality Among Oak (Quercus Spp.) Species In The Southeastern United States, Katy Elizabeth Limpert
The Ecological Significance Of Phyllosphere Leaf Traits On Throughfall Hydrology, Biogeochemistry, And Leaf Litter Quality Among Oak (Quercus Spp.) Species In The Southeastern United States, Katy Elizabeth Limpert
Theses and Dissertations
Oaks (Quercus spp.) are a dominant genus in forests across the United States that have been declining due to fire suppression and forest mesophication. The reduction of these species may alter forest hydrologic and biogeochemical cycling. Canopy-derived nutrients and interspecific temporal distribution of leaves were quantified under oak and hickory (Carya spp.) species in Mississippi during 2014-2016. Throughfall quantity and chemistry were measured during every storm event under oak and hickory species. Interspecific leaf litter was collected weekly to quantify the timing of leaf fall and leaf litter nutrient content. Throughfall volume and solute fluxes were impacted by seasonality. Mg2+ …
Invasion Potential And Overwintering Biology Of The Redbay Ambrosia Beetle (Coleoptera: Curculionidae) In The United States, John Formby
Theses and Dissertations
Several native species of Lauraceae (e.g. sassafras) in the southeastern United States are being eradicated by laurel wilt disease. Laurel wilt is caused by a highly invasive and cryptic ambrosia beetle, Xyleborus glabratus, and its fungal symbiont. The symbiont pathogen is spread during colonization of native Lauraceae. Xyleborus glabratus and the pathogen are remarkably effective at colonizing and killing healthy populations of Lauraceae in a brief time period. Control methods have been unable to slow the spread of laurel wilt disease and X. glabratus populations have been spreading into northern latitudes. Presently, cold temperatures may be the only factor limiting …
Head Of Household Socioeconomic Status Effect On Dietary Intake Of Children, Samantha Ann Willcutt
Head Of Household Socioeconomic Status Effect On Dietary Intake Of Children, Samantha Ann Willcutt
Theses and Dissertations
Obesity is considered an epidemic and a precursor for many diseases. Children from lower income families are more likely to be obese, however previous studies on differences in child dietary intake based on parental income show mixed results. This study used NHANES 2005-2010 data to examine reported food consumption of children ages 6 to 11. Comparisons were made between children (n = 1433) of lower income parents (PIR <= 1.85) and children (n = 1162) of higher income parents (PIR > 1.85). Variables included total fruit and vegetable intake, total energy, food groups, oils, fiber, total sugar, added sugars and solid fats. SUDAAN was used to analyze data and differences were significant at …
Impact Of Diagnostic Versus Emotional Disturbance Label On Preservice Teacher Expectations Of Student Academic, Behavior, And Social Outcomes, Amity M. Lancaster
Impact Of Diagnostic Versus Emotional Disturbance Label On Preservice Teacher Expectations Of Student Academic, Behavior, And Social Outcomes, Amity M. Lancaster
Theses and Dissertations
The current study examined preservice teachers’ expectations for student academic, behavior, and social, outcomes using the Prognostic Outlook Scale (Thelen, Burns, & Christiansen, 2003). A 2 x 2 x 2 MANOVA analysis was used to determine differences between label specificity (i.e., Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition diagnostic label versus the Individuals with Disabilities Education Improvement Act [IDEA] Emotional Disturbance [ED]) label, behavioral presentation (i.e., internalizing versus externalizing) and symptom severity (i.e., mild versus severe). The goal was to identify labels that elicit higher expectations for students with ED in order to inform the labeling practices within …
Evaluation Of Rescue Applications On Glyphosate-Resistant Palmer Amaranth, Andrew Boyette Denton
Evaluation Of Rescue Applications On Glyphosate-Resistant Palmer Amaranth, Andrew Boyette Denton
Theses and Dissertations
Options for glyphosate-resistant (GR) Palmer amaranth [Amaranthus palmeri (S. Wats)] control are becoming limited. Research was conducted in 2014 and 2015 to evaluate the effectiveness of rescue herbicide applications on glyphosate-resistant Palmer amaranth. Research was established to evaluate efficacy provided by new and current herbicide programs on GR Palmer amaranth that was larger than recommended at the time of herbicide application. Studies included a postemergence application of different herbicides used singly and in combination at different initial application timings; sequential postemergence application timing evaluating herbicide tank mix combinations at five different time intervals between applications; and postemergence evaluation of herbicide …
Faster-X Evolution In The Speciation Of Heliconius Butterflies, Margarita Baquero
Faster-X Evolution In The Speciation Of Heliconius Butterflies, Margarita Baquero
Theses and Dissertations
The X and Z chromosomes have unique characteristics that lead to unique evolutionary consequences. Lepidopterans have a well-known, disproportionately large-Z effect for behavioral and morphological traits that distinguish closely related species. A potential explanation for the Large-X effect is the faster evolution of the sex chromosome (Faster-X evolution). We use whole genome re-sequencing of Heliconius erato races and of the incipient species H. himera to test for faster-Z evolution between hybridizing populations at different reproductive isolation levels, by calculating divergence and nucleotide diversity. We show evidence for Faster-Z evolution in Heliconius butterflies at the early stages of speciation and along …
A Petrographic Analysis Of The Microbial Thrombolite Buildup In The Oxfordian Smackover Formation, Little Cedar Creek Field, Alabama, Natalie Samai-Odegaarden
A Petrographic Analysis Of The Microbial Thrombolite Buildup In The Oxfordian Smackover Formation, Little Cedar Creek Field, Alabama, Natalie Samai-Odegaarden
Theses and Dissertations
The Jurassic (Oxfordian) Smackover Formation in Little Cedar Creek Field, Alabama is composed of microbial thrombolitic buildups. Core description, petrography, SEM, and isotopic analysis were used to identify the succession of organisms, microbial carbonate deposition, and diagenesis that contributed to formation of these thrombolitic buildups. The microbial thrombolite reef facies in this study accounts for 38.5% of the total Smackover Formation. This facies was deposited 0.5 to 6.75 miles from the paleo-coastline. Today it is located 10,225 to 11,750 feet in the subsurface and contains buildups 26 to 50 feet thick. Four microfacies were defined: A- Black Renalcis-like layers, B- …
Adolescent Delinquency And Family Processes Among Single Parent Families, Sunmi Seo
Adolescent Delinquency And Family Processes Among Single Parent Families, Sunmi Seo
Theses and Dissertations
This study used secondary data from the National Longitudinal Study of Adolescent to Adult Health (Add Health) to examine the relationship between adolescent delinquency and family processes (i.e., relationship to residential parents and autonomy), among single-mother and singleather families. The findings indicate that adolescents in single-mother families reported a higher quality relationship to residential parents than those living with singleathers. Additionally, the relationship to residential parents variable was modestly predictive of adolescent delinquency. However, the results indicate there is no statistically significant difference between rates of adolescent delinquency among single-mother and singleather families. Research and practical implications of this study …
Who Speaks For The Enslaved? Authorship And Reclamation In Octavia Butler's Kindred, Antoinette Daineyell Hayden
Who Speaks For The Enslaved? Authorship And Reclamation In Octavia Butler's Kindred, Antoinette Daineyell Hayden
Theses and Dissertations
Octavia Butler’s Kindred is often looked at as a historical science fiction novel. While there are critics who have discussed the slave narrative aspects of the novel, the way Butler tackles authorship and what it means to re-write history has been overlooked. By examining the way Butler uses authorship to question authorial authority, one can see the way Butler uses her protagonist to revise history and reclaim historical figures. This process of reclamation and revision enables Butler to examine the historical gaps that have been created and the way enslaved blacks have been caricatured and further dehumanized. Through her protagonist, …
Comparison Of Student Success Using "Atoms First" Versus "Traditional" Curricula, Christina Sweeney Hillesheim
Comparison Of Student Success Using "Atoms First" Versus "Traditional" Curricula, Christina Sweeney Hillesheim
Theses and Dissertations
The purpose of this study was to investigate the difference between the “atoms first” and the “traditional” curricula. Specifically focusing on which curriculum better aligns to curricular expectations, leads to higher student success when students are grouped together, and when students are differentiated based on several factors. The main difference between the two approaches being the sequence of topics presented in the first semester general chemistry course. This study involves more than 9,500 general chemistry I and II students over 7 semesters with about half of them being taught using the “atoms first” approach. Student success was measured using the …
Effects Of Dietary Lysine On Muscle Gene Expression And Fatty Acid Profiles And On Selected Carcass Characteristics And Plasma Hormone Concentrations In Late-Stage Finishing Pigs, Taiji Wang
Theses and Dissertations
Dietary inclusion of sufficient lysine is very critical for optimizing pig’s growth performance. The objectives of this project were to study the effects of dietary lysine at different concentrations on (1) the growth performance and carcass characteristics, (2) the muscle gene expression profile and the possible alterations to the metabolic and signaling pathways, (3) the muscle fatty acid profile, and (4) the plasma concentrations of growth-related hormones of late-stage finishing pigs. Nine crossbred barrows were assigned to 3 dietary treatments (lysine-deficient, equate, and -excess diets) according to a completely randomized experimental design. During the 5-week feeding trial, pigs were allowed …