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Character Development In A Distance Education Literature Course: Perspectives On Independent Study English 395r-Christian Fantasy Literature, Michael C. Johnson
Character Development In A Distance Education Literature Course: Perspectives On Independent Study English 395r-Christian Fantasy Literature, Michael C. Johnson
Theses and Dissertations
The goals of higher education often entail the development of students' character. Rarely, however, are these character development goals connected to the unique design and delivery of distance education programs. Additionally, the research literature that explores the character development aspects of distance education is sparse. Thus the purpose of this study is to contribute to the understanding of how character development may occur in a distance context. Taking a hermeneutic phenomenological approach, I examined instructor and student perceptions of character development in a fantasy literature independent study course. Findings indicate that students perceived development of traits and strengths in the …
Real-Time Virus Analysis Via Image Charge Detection Surface Induced Dissociation Tandem Mass Spectrometry, Seth T. Call
Real-Time Virus Analysis Via Image Charge Detection Surface Induced Dissociation Tandem Mass Spectrometry, Seth T. Call
Theses and Dissertations
This thesis reports on the development of a novel mass spectrometer combining image charge detection with surface induced dissociation for real-time analysis of intact viruses. Protonated viruses produced using electrospray are accelerated and subsequently impact on a solid surface. Capsid peptides released during the impact are analyzed using time-of-flight mass spectrometry. Image charge detection is used to measure the mass and charge states of structurally intact, electrosprayed viruses prior to impact. Since virus capsids are composed of loosely-bound proteins, collision of viruses with surfaces at moderate impact energies could release intact proteins. The masses and numbers of different protein types …
Identification Of Clinical, Laboratory And Genetic Covariates For Pharmacokinetics, Efficacy And Toxicity Of Sorafenib In Patients With Solid Tumors, Lokesh Jain
Theses and Dissertations
The goal of this research work was to understand the clinical-pharmacology based treatment approaches for sorafenib. Treatment with sorafenib is associated with high inter-patient variability in pharmacokinetic exposures, efficacy and toxicity. We explored the demographic, laboratory, clinical and pharmacogenetic factors to elucidate the sources of variability. In addition, we examined the impact of pharmacogenetic variation in VEGFR2, an important mediator of the VEGF pathway, on risk of prostate cancer. To support these investigations, (mainly single-dose) pharmacokinetic, pharmacogenetic, efficacy and toxicity information were collected from patients with solid tumors, enrolled in five phase I / II clinical trials at National Cancer …
Design And Characterization Of A Human Exposure Chamber And Inversion Episodes In Salt Lake City, Utah In January/February Of 2009, Roman Yuri Kuprov
Design And Characterization Of A Human Exposure Chamber And Inversion Episodes In Salt Lake City, Utah In January/February Of 2009, Roman Yuri Kuprov
Theses and Dissertations
Research on health effects of particulate matter (PM) has been a very active area in the last two decades. One plausible mechanism by which exposure to PM affects human health includes modification of autonomic endothelium function. Decreased endothelium activity causes heightened risks of cardiovascular disease. A human exposure chamber designed to conduct experiments to quantify diminished function of endothelium from short term exposure to PM is described. The chamber consists of two stages for containment and pre-treatment of PM and exposure of human subjects. Concentrations of CO, CO2, NO, NO2, O3, and PM2.5, are monitored and controlled in the exposure …
Improved Algorithms For Discovery Of New Genes In Bacterial Genomes, Nan Wang
Improved Algorithms For Discovery Of New Genes In Bacterial Genomes, Nan Wang
Theses and Dissertations
In this dissertation, we describe a new approach for gene finding that can utilize proteomics information in addition to DNA and RNA to identify new genes in prokaryote genomes. Proteomics processing pipelines require identification of small pieces of proteins called peptides. Peptide identification is a very error-prone process and we have developed a new algorithm for validating peptide identifications using a distance-based outlier detection method. We demonstrate that our method identifies more peptides than other popular methods using standard mixtures of known proteins. In addition, our algorithm provides a much more accurate estimate of the false discovery rate than other …
Structure-Property Relations In Porcine Brain Tissue: Strain Rate And Stress-State Dependence, Mark Gregory Tejada Begonia
Structure-Property Relations In Porcine Brain Tissue: Strain Rate And Stress-State Dependence, Mark Gregory Tejada Begonia
Theses and Dissertations
Due to traumatic brain injury (TBI), numerous studies have focused on comprehensively determining the mechanical properties of the brain. This study examined the strain rate dependence of porcine brain under compression, and the microstructural damage was quantified using a confocal microscope and graphical user interface (GUI). The selected strain rates were 0.10 s-1, 0.025 s-1, and 0.00625 s-1 while the strain levels targeted for confocal imaging were 15%, 30%, and 40%. This study also characterized the stress-state dependence at a strain rate and strain level of 0.10 s-1 and 40%, respectively, under compression, tension, and shear. Strain rate dependency data …
The Virgin Of Guadalupe Comes To Mississippi: Social Stressors And Ways Of Coping Among Hispanic Im/Migrants, Mary Rebecca Read
The Virgin Of Guadalupe Comes To Mississippi: Social Stressors And Ways Of Coping Among Hispanic Im/Migrants, Mary Rebecca Read
Theses and Dissertations
This mixed-methods study uses ritual analysis, key informant interviews, and a semi-structured questionnaire to explore stressors and coping among Hispanic im/migrants to rural Mississippi. The study applies Turner’s model of ritual analysis to the procession of la Virgen de Guadalupe for insight into the values, concerns, actions, and motivations of the community. Results from ritual analysis suggest the precession of la Virgen de Guadalupe unites the multi-national community and empowers the participants through their faith in God and la Virgen de Guadalupe. Results from the semi-structured questionnaire identify stressors among the Hispanic community relating to separation from family and friends, …
The Effects Of Ethanol Production On The U.S. Catfish Sector, Hualu Zheng
The Effects Of Ethanol Production On The U.S. Catfish Sector, Hualu Zheng
Theses and Dissertations
The overall purpose of this study is to estimate how the rise in grain prices (especially corn prices) induced by ethanol production impacts U.S. catfish industry. Using monthly data from January 1996 to December 2007, an ARDL model and bounds testing procedure were used. The existence of cointegration between the feed price and its regressors and between the farm price and its regressors was found. Results show that the short- and long-run feed price elasticity with respect to corn prices were 0.224 and 0.075, respectively. It was found that energy is more important to catfish feed production than to farm …
Of All That Is Seen And Unseen, Jordan Adelle Doherty
Of All That Is Seen And Unseen, Jordan Adelle Doherty
Theses and Dissertations
Of All That Is Seen and Unseen explores the concept the Southern literary identity and how that tradition is fading from modern literature while engaging in a dialogue with Flannery O’Connor, William Faulkner, and Eudora Welty. However, it proposes that contemporary writers can recover Southern literary identity through three identifying elements of southern literature: family, land, and religion. The chapters focus on the tragic death of a beautiful, young girl and are told from different narrative perspectives. The genre is Southern Gothic and follows the Faulknerian model of creating a fictional place in Mississippi. The chapters are interrelated and feature …
Population Genetics Study Of The Imported Fire Ants (Formicidae: Solenopsis Spp.), Rajesh Babu Garlapati
Population Genetics Study Of The Imported Fire Ants (Formicidae: Solenopsis Spp.), Rajesh Babu Garlapati
Theses and Dissertations
The study was divided into three main sections. In the first section, temporal stability of genetic structure of red imported fire ant populations and effective population sizes were assessed with the help of microsatellites. The second part of the study was focused on the development of new microsatellite markers for the population genetics study of fire ants. The third part of the study was aimed at describing the association of phenotypic and genotypic characters of polygyne hybrid (Solenopsis invicta x richteri) fire ant in a colony and identifying the origin of polygyny in hybrid imported fire ant colony. Meridian, Yazoo …
Laboratory Study On Lightning Performance Of Dissipation Devices, Shreeharsh Mallick
Laboratory Study On Lightning Performance Of Dissipation Devices, Shreeharsh Mallick
Theses and Dissertations
The proponents of non-conventional lightning protection devices claim that these devices are superior to the conventional Franklin Rod. Lack of systematic study and insufficient field data make it difficult to compare the non-conventional lightning protection devices with the conventional ones. Previously, the performance of various air terminals was studied by comparing the emission current through various dissipation devices in the MSU High Voltage Laboratory. The study of emission current from the air terminals gives an idea about the space charge developing over them. However, it does not show the behavior of air terminals to attract or repel lightning strikes. The …
Effects Of Climate And Density On The Survival Of Whiteooted Mice (Peromyscus Leucopus), Eric Richard Wengert
Effects Of Climate And Density On The Survival Of Whiteooted Mice (Peromyscus Leucopus), Eric Richard Wengert
Theses and Dissertations
Short-lived rodents are sensitive to changes in environmental conditions and exhibit annual fluctuations under seasonal environments in northern temperate regions. I analyzed 34 years of monthly live-trapping data on whiteooted mice (Peromyscus leucopus) collected in Carter Woods, Ohio. I used a theoretic-information approach to select the best approximating models and analysis of deviance to infer effects of climate and density on survival of mice. I tested for a cost of reproduction to females and found no difference in survival between reproductive states. Directions and magnitudes of effects of climate and density varied over time. Increased variability in temperature reduced effects …
Assay Of The Efficacy Of Novel Pyridinium Oximes For Potential Activity In The Central Nervous System For Reactivating Phosphorylated Acetylcholinesterase, Ashley Renee Harmon
Assay Of The Efficacy Of Novel Pyridinium Oximes For Potential Activity In The Central Nervous System For Reactivating Phosphorylated Acetylcholinesterase, Ashley Renee Harmon
Theses and Dissertations
The aim of this research was to determine whether a series of novel pyridinium oximes that were synthesized to incorporate phenoxyalkyl moieties to increase lipophilicity, and thereby increase their likelihood of crossing the blood-brain barrier, could effectively reactivate phosphorylated AChE in vitro. An experimental OP was synthesized as a surrogate for sarin to test the reactivation potential of the oximes, phthalimidyl isopropyl methylphosphonate (PIMP). The reactivation activities of the novel pyridinium oximes on PIMP exposed AChE and structure activity relationships were examined. Differences in reactivation potential in comparison to the widely used 2-PAM were also examined. All the novel oximes …
Spatial Dispersion Of The Fungus Aspergillus Flavus In Corn Ears: A Spatial Analysis Of Ubiquitin Mrna, Leif Saxon Mylroie
Spatial Dispersion Of The Fungus Aspergillus Flavus In Corn Ears: A Spatial Analysis Of Ubiquitin Mrna, Leif Saxon Mylroie
Theses and Dissertations
Aflatoxin is a carcinogen produced by the fungus Aspergillus flavus that causes millions of dollars in agriculture losses in the southeastern US. This thesis examines the dispersal of A. flavus on two corn inbred lines, resistant (Mp313E) and susceptible (B73), which differ in total aflatoxin accumulation after infection with A. flavus. After inoculating corn kernels with the fungus an RNA analysis was used to determine the location (number of kernels away from inoculation site) and abundance of A. flavus at weekly intervals. A. flavus started its spread at 7 days after inoculation (DAI) on both corn lines. The B73 corn …
The Ecology Of Cactoblastis Cactorum (Berg) (Lepidoptera:Pyralidae) In Florida, Kristen Erica Sauby
The Ecology Of Cactoblastis Cactorum (Berg) (Lepidoptera:Pyralidae) In Florida, Kristen Erica Sauby
Theses and Dissertations
I used a theoretical model to determine the conditions under which Cactoblastis cactorum populations would be expected to experience positive population growth. Results from simulations suggest that host species richness, host quality, and the C. cactorum death rate interact to determine the probability of C. cactorum positive population growth. I also studied the influence of host diversity empirically. Cactoblastis cactorum prevalence was significantly higher when O. stricta was present in the community. Also, higher species richness within host assemblages led to a higher prevalence of infestation than in single-species host assemblages. Finally, I explored cooccurrence patterns of native cactuseeding insects …
Indirect Effects Of Invasive Species:Community Effects Of Invasive Aquatic Plant Control And Direct And Indirect Effects Of Non-Native Peacock Bass, Ekaterina Kovalenko
Indirect Effects Of Invasive Species:Community Effects Of Invasive Aquatic Plant Control And Direct And Indirect Effects Of Non-Native Peacock Bass, Ekaterina Kovalenko
Theses and Dissertations
Biological invasions are one of the main factors responsible for the imperiled status of freshwater ecosystems, but much remains to be learned about their indirect effects on native communities. The first part of this dissertation examines community effects of long-term efforts to selectively control invasive Eurasian watermilfoil. Results of the first study show that native plants immediately recolonized treated areas and habitat complexity was unaffected. Fish community was not influenced by invasive plant control. Macroinvertebrate communities were highly variable and part of their variability could be explained by plant community attributes. Both fish and macroinvertebrates used invasive watermilfoil, which emphasizes …
Mobility And Population Change In Northeast Mississippi: An Object-Based Seriation Of Projectile Points As A Relative Paleodemographic Indicator, Jason L. Edmonds
Mobility And Population Change In Northeast Mississippi: An Object-Based Seriation Of Projectile Points As A Relative Paleodemographic Indicator, Jason L. Edmonds
Theses and Dissertations
Archaeological considerations of mobility have primarily focused on the differences in and among the kinds or degrees of mobility itself, rather than addressing the underlying issue of why human settlement patterns were or are mobile. The focus of this study is to address such questions within Darwinian evolutionary theory. Using the concepts of bet-hedging, as used in biology, and waste, as used in archaeology, it is argued that mobility was selectively favored for its population limiting properties. Relative changes in the numbers of projectile points in each assigned class, ordered chronologically by seriation, were taken to indicate relative population change …
Examining The Self-Reported Health Behaviors And The Importance Of Role Modeling Among Resident Directors Affiliated With The Association Of College And University Housing Officers-International (Acuho-I) Institutions, Maylen Lizeth Aldana
Theses and Dissertations
The purpose of this study was to examine self-reported health behaviors (health responsibility, physical activity, nutrition, spiritual growth, interpersonal relations and stress management) of Resident Directors who self-reported being affiliated with ACUHO-I. The second purpose of the study was to examine which areas of health behaviors, do Resident Directors believe, their participation influences the health behaviors of their students. This was completed by inviting Resident Directors to complete the Health Promoting Lifestyle Profile II (HPLPII). A total of (n=308) Resident Directors completed the HPLPII. The results of this study are ground breaking because it is the first study examining the …
Changing Currents: Interpreting The Promise Of The Tennessee-Tombigbee Waterway, Nathan Horn
Changing Currents: Interpreting The Promise Of The Tennessee-Tombigbee Waterway, Nathan Horn
Theses and Dissertations
At the time of its construction (1971-1985), the Tennessee-Tombigbee Waterway was a highly scrutinized public works project, but the years after its construction have remained largely unexplored. Research in the John C. Stennis Collection, U.S. Army Corps of Engineers and Tennessee-Tombigbee Waterway Development Authority archives, and local newspapers, revealed that despite developers’ promise the waterway’s economic impact failed to live up to expectations, while its environmental influence more than exceeded them. Though rural southerners failed to benefit economically from the waterway, they embraced the environmental changes forced upon the project by the National Environmental Policy Act. Built as a promise …
Characterization Of Tissue Mimicking Materials For Testing Of Implantable And On Body Antennas, Tuba Yilmaz
Characterization Of Tissue Mimicking Materials For Testing Of Implantable And On Body Antennas, Tuba Yilmaz
Theses and Dissertations
Characterization and applications of soft tissue mimicking materials are presented. A skin mimicking material and a skin mimicking gel is characterized for industrial, scientific, and medical (ISM) band (2.40 GHz-2.48 GHz). Also a wide band (0.3 GHz – 2.5 GHz) muscle mimicking material is developed. A dual band implantable antenna operating at medical implant communication service (MICS) band (402 MHz – 405 MHz) and ISM band is tested in vitro with skin mimicking material for ISM band. MICS band measurements of the implantable antenna tested in vitro by placing the antenna on the interface of muscle and skin mimicking gel. …
Stable Carbon Isotope And Niche Breadth Analysis Of Animal Bone From Pocahontas Mounds (22hi500) And Lyon's Bluff, Robert Linder Mccain
Stable Carbon Isotope And Niche Breadth Analysis Of Animal Bone From Pocahontas Mounds (22hi500) And Lyon's Bluff, Robert Linder Mccain
Theses and Dissertations
Maize uses a photosynthetic pathway called C4 which produces a carbon signature in animal tissue that is different from most of the plants available to the inhabitants of the Southeastern United States. Faunal remains (deer, rodent, and turtle) from Pocahontas Mounds (22HI500) and Lyon’s Bluff (22OK520) were tested to determine whether the samples possessed a C4 signature. Maize has been found at both sites, but the extent of maize agriculture was not known. Rodent and turtle from both sites indicate partial to heavy consumption of C4 plants, while one deer sample from Pocahontas indicates moderate consumption of C4 plants. The …
Leaching Potential Of Metals And Brominated Flame Retardants In Obsolete Notebook Computers, Otho Barnes
Leaching Potential Of Metals And Brominated Flame Retardants In Obsolete Notebook Computers, Otho Barnes
Theses and Dissertations
Due to the increasing use of electronic components and the accelerated rate in which these components become obsolete, there has been a dramatic increase of discarded electronic waste (E-waste). E-waste includes obsolete electronic products such as computers, scanners, cellular phones, etc. These electronic components are manufactured using a variety of hazardous materials. As these components are discarded, the toxic and hazardous substances may become mobile and could impact human health and the environment. The toxic substances of concern contained in E-waste include heavy metals and brominated flame retardants (BFRs). This study attempts to identify the leaching potential of BFRs and …
A Repeat Photographic Study Of The Natchez Trace Parkway: Has The Design Intent Of The Trace Changed, Elizabeth Towers Ogletree
A Repeat Photographic Study Of The Natchez Trace Parkway: Has The Design Intent Of The Trace Changed, Elizabeth Towers Ogletree
Theses and Dissertations
This thesis explores the Natchez Trace Parkway using the method of repeat photography to determine whether or not the design intent of the Trace has changed since its beginning. Based upon fifteen matched pairs of photographs, which are evaluated based on a content analysis matrix, the original design intent, recent design guidelines, and planned land use maps, the degree of change that has occurred along the Trace is measured. Time has wrought inevitable change along the Trace. The changes that have occurred indicate a further effort to preserve the original design intent of the Trace rather than a shifting of …
Stable Carbon Isotope Evidence Of Ancient Maya Agriculture At Tikal, Guatemala, Richard Lee Burnett
Stable Carbon Isotope Evidence Of Ancient Maya Agriculture At Tikal, Guatemala, Richard Lee Burnett
Theses and Dissertations
Stable carbon isotope analyses of the humin fraction of the soil organic matter were conducted on more than 160 soil profiles from Tikal, Guatemala. The profiles were collected from near areas associated with the earthworks of Tikal; an ancient ditch and parapet construction hypothesized to have formed ancient boundaries of the polity. In addition to the isotope analyses, the physical and chemical characteristics of the horizons were determined. Maize, a C4 plant, formed an integral part of the ancient Maya diet and is the only known C4 plant cultivated by the Maya. Prior to and subsequent to the ancient Maya …
The Use Of A Tri-Axial Accelerometer To Measure Changes In Lower Extremity Fatigue During Functional Activity, Kristin Morgan
The Use Of A Tri-Axial Accelerometer To Measure Changes In Lower Extremity Fatigue During Functional Activity, Kristin Morgan
Theses and Dissertations
In 2004, the National Collegiate Athletic Association reported ankle sprain as the most frequent injury in soccer, basketball, and volleyball players. Further research found an increased likelihood with fatigue. Measuring fatigue during functional activities has been a longstanding problem. In this study, changes in ankle biomechanics were measured using a tri-axial accelerometer embedded in the shoe as subjects (n=12) performed a fatiguing activity. Data were collected from the accelerometer and from established devices that are considered the industry gold standard. Several kinetic and kinematic accelerometer derived variables were highly correlated with these standards (r2>0.90) and were associated with changes …
Design By Accident, Mengfu Zhang
Design By Accident, Mengfu Zhang
Theses and Dissertations
Accident is a metaphor for life. From an arbitrary point in time, we potentially preview the entirety of existence. There is a Chinese idiom called “ blessing or bane,” which implies that a misfortune may perhaps soon turn into a blessing. Focusing on accident as a design method implies making the best out of a bad situation. An accident reveals invisible circumstances and potentialities in the world, both familiar and unfamiliar. Looking into the unpredictable world, I can begin to release my control, take a breath, and see what might happen if I do not fight the situation. I am …
Marrying Immunotherapy And Chemotherapy: A Cancer Therapy Based On T Lymphocyte Expansion Augmented By Alternate Gamma Chain Cytokines And Gemcitabine-Mediated Inhibition Of Myeloid Derived Suppressor Cells, Esther Cha
Theses and Dissertations
Successful adoptive immunotherapy (AIT) for cancer relies on the infusion of in vitro expanded, tumor-reactive lymphocytes with a goal of generating productive tumor immunity. Previously, our lab has developed a protocol to activate selectively tumor-reactive T lymphocytes in vitro using two pharmacologic agents, bryostatin-1 and ionomycin. Following the pharmacological stimulation, conventionally, IL-2 is added to stimulate in vitro proliferation. In this report, alternate cytokines from the common cytokine receptor γ-chain family, namely IL-7 and IL-15, were explored as the alternative cytokine supplements. We found that tumor DLN cells activated in vitro with B/I and cultured in IL-7/15 alternate common γ-chain …
Mutagenesis And Spectroscopic Studies Of Mycobacterium Tuberculosis Sterol 14alpha Demethylase., Anuja R. Modi
Mutagenesis And Spectroscopic Studies Of Mycobacterium Tuberculosis Sterol 14alpha Demethylase., Anuja R. Modi
Theses and Dissertations
P450s are heme containing enzymes which affect oxidation of substrates via catalytic intermediates having transient lifetimes. These oxidative catalytic intermediates are formed by a sequential interplay of electrons and protons at the active site of the enzyme bearing molecular dioxygen. The proton transfer to the active site from bulk solvent is coordinated by an “acid-alcohol” pair of active site residues which are conserved in all P450s. Sterol 14α-demethylases (CYP51) are P450 enzymes which catalyze oxidative deformylation of lanosterol in the cholesterol/ergosterol biosynthetic pathway. Both cholesterol and ergosterol are important regulators of membrane fluidity. CYP51 differs from other P450s in that …
Combined Spinal-Epidural Versus Traditional Epidural In Labor Analgesia, Kimberly M. Wade
Combined Spinal-Epidural Versus Traditional Epidural In Labor Analgesia, Kimberly M. Wade
Theses and Dissertations
Epidural anesthesia is a popular choice among women for pain control during labor. There are several techniques that can be utilized by anesthesia providers to deliver this type of regional anesthesia. Traditional epidurals have been in use the longest and may be associated with prolonged labor, the need to augment with oxytocin, and an increase in the rate of incremental delivery (Anim-Somuab, Smjth, & Howell, 2005). The combined spinal-epidural technique was introduced to offer more flexibility and to decrease the incidence of adverse effects seen with traditional epidural anesthesia. This evidence-based review of literature will focus on studies that compare …
Developing A Labor Epidural Information Course For First Time Mothers, Philip Roylance
Developing A Labor Epidural Information Course For First Time Mothers, Philip Roylance
Theses and Dissertations
In the field of anesthesia, an epidural is the most common fonn of analgesia for laboring mothers. Legally, in order for an anesthesia provider to place an epidural, the parturient must be educated regarding this form of analgesia. Most anesthesia providers do educate their patients regarding epidurals. However, several problems arise with current procedures including a majority of the education taking place while the mother is in labor and being provided by someone other than anesthesia personnel. These problems pose questions such as: (A) ls this the most efficacious time to educate expecting mothers, (B) Does the parturient truly understanding …