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Does Participating In A Music Program In High School Lead To Academic Achievement In College?, Vanessa Lynn Almaraz
Does Participating In A Music Program In High School Lead To Academic Achievement In College?, Vanessa Lynn Almaraz
Theses and Dissertations
Music education has and continues to become a constant issue in the cultural aspect and views of the educational system. How does music play a factor in our educational system? This thesis investigates the influence of how music plays in an individual’s educational development. Research has shown that while students in high school who participated in a music program, had significant increases in how they achieved academically in school, with this, students may also have the chance of excelling in their academics while attending a college or university. In this study, I measured the academic excellence amongst several social demographic …
Parental Perceptions And Experiences Of Physical And Emotional Violence Between Siblings: A Mixed-Methods, Comparative Case Study, Nathan Perkins
Parental Perceptions And Experiences Of Physical And Emotional Violence Between Siblings: A Mixed-Methods, Comparative Case Study, Nathan Perkins
Theses and Dissertations
Sibling violence is a common occurrence for many children yet this form of family violence has received minimal attention in research compared to other forms of child maltreatment. With parents as an integral component in the lives of many children, parental perceptions and experiences of violence between siblings are important to understand. Furthermore, with the increased variation in family structures within society, inclusion of multiple types of families in research is necessary to encompass a broad understanding of sibling violence. This case study included seven parents from four different family structures to examine their perceptions and experiences of physical and …
Increasing Emergency Department Nurses Confidence With Potentially Violent Patient Care Situations, Jane Mattila
Increasing Emergency Department Nurses Confidence With Potentially Violent Patient Care Situations, Jane Mattila
Theses and Dissertations
Workplace violence is increasing in the healthcare and emergency department (ED) violence is escalating to the point where nurses experience violent assaults at 12 times the national average (U. S. Department of Labor, Bureau of Labor Statistics, 2008). The Emergency Nurses Association (ENA) conducted a survey of over 3,000 emergency nurses and found 86% of those surveyed had encountered physical violence within the last three years (Emergency Nurses Association [ENA], 2008) Occupational Safety and Health Administration (OSHA) (2011) and the Joint Commission (2010) require healthcare facilities to organize a plan to provide for the safety and security of employees and …
Suicide Curriculum For American Indian Youth, Rose Gaikowski
Suicide Curriculum For American Indian Youth, Rose Gaikowski
Theses and Dissertations
Suicide is a national public health concern which can result in emotional and physical devastation for individuals, families, and communities. Suicide leads to unanswered questions for families and communities directly impacted by suicide. There are approximately 30,000 suicidal deaths nationally in the United States; however in the American Indian population the suicide rate is 1.7 times higher than all races in the United States (Wexler & Gone, 2012). Suicide is the second leading cause of death in the 15-24 age groups in the American Indian/Alaskan Native (AVAN) population. Some American Indian communities experience suicidal clusters which results when one suicide …
Depression In Diabetes, Deborah Marie Dubois Byrd
Depression In Diabetes, Deborah Marie Dubois Byrd
Theses and Dissertations
No abstract provided.
Social Media Implementation In Nurse Education, Leeann Peterson
Social Media Implementation In Nurse Education, Leeann Peterson
Theses and Dissertations
Technological advances are present in every aspect of our life and higher education is no exception. Today's college students, also known as the millennial generation, are the most technologically advanced generation. Nurse educators need to think about the technological possibilities that can be utilized in the classroom to engage the students in active learning and to improve the student outcomes. This independent project explores what is known about social media in nurse education and discusses areas for further research. Social media is being used in the nursing classroom, but many have not been researched based. This independent project discusses how …
A School-Based Intervention’S Impact On Children’S Knowledge And Self-Efficacy Related To Physical Activity And Nutrition: A Pilot Study, Katherine Turley Jenkins
A School-Based Intervention’S Impact On Children’S Knowledge And Self-Efficacy Related To Physical Activity And Nutrition: A Pilot Study, Katherine Turley Jenkins
Theses and Dissertations
Childhood obesity has become epidemic in the United States. One of the best places to combat this problem is within the school system. The purpose of this study was to examine changes in exercise self-efficacy, science interest, and science knowledge of children who participated in a school-based anatomy and healthy lifestyle intervention called Anatomy Academy. In this pilot study, 212 study participants were recruited from 5th and 6th grade children enrolled in one of three charter schools who participated in our 7-week intervention, Anatomy Academy. Children completed four questionnaires pre and post intervention: (1) a science knowledge questionnaire, (2) a …
Synaptic Plasticity In Gabaergic Inhibition Of Vta Neurons, Jennifer Kei Mabey
Synaptic Plasticity In Gabaergic Inhibition Of Vta Neurons, Jennifer Kei Mabey
Theses and Dissertations
Past research has demonstrated that the motivational effects of opiates causes a change in ventral tegmental area (VTA) γ-amino butyric acid (GABA) subtype A receptor [GABA(A)R] complexes in opiate-dependent animals, which switch from a GABA-induced hyperpolarization of VTA GABA neurons to a GABA-induced depolarization. Previously shown in naïve animals, superfusion of ethanol (IC50 = 30 mM) and the GABA(A)R agonist muscimol (IC50 = 100 nM) decreased VTA GABA neuron firing rate in a dose-dependent manner. The aim of this study was to evaluate VTA GABA neuron excitability, GABA synaptic transmission to VTA GABA neurons, and a potential switch in GABA(A)R …
Elucidation And Improvement Of Algorithms For Mass Spectrometry Isotope Trace Detection, Robert Anthony Smith
Elucidation And Improvement Of Algorithms For Mass Spectrometry Isotope Trace Detection, Robert Anthony Smith
Theses and Dissertations
Mass spectrometry facilitates cutting edge advancements in many fields. Although instrumentation has advanced dramatically in the last 100 years, data processing algorithms have not kept pace. Without sensitive and accurate signal segmentation algorithms, the utility of mass spectrometry is limited. In this dissertation, we provide an overview and analysis of mass spectrometry data processing. A tutorial to ease the learning curve for those outside the field is provided. We draw attention to the lack of critical evaluation in the field and describe the resulting effects, including a glut of algorithm contributions of questionable novel contribution. To facilitate increased critical evaluation, …
Flexible Slosh Diaphragm Modeling And Simulation In Propellant Tanks, Darren Vaughn Levine
Flexible Slosh Diaphragm Modeling And Simulation In Propellant Tanks, Darren Vaughn Levine
Theses and Dissertations
iquid sloshing and propellant distribution is an important field of research for aerospace applications such as launch vehicles and spacecraft. The propellant mass behavior can greatly influence vehicle dynamics, altering trajectories and structural loading distributions. In order to combat these concerns some propellant tanks employ thin elastomeric diaphragms to separate the fuel from the gas volumes and restrict the fluid's motion. The diaphragm’s flexible behavior is generally highly nonlinear, and various propellant fill levels and acceleration conditions can cause large deflections resulting in complex buckling and folding patterns. When complex and non-uniform deformations occur, there is potential for diaphragm wear …
Analyzing Thermal And Mechanical Effects Of Pulsed Laser Irradiation On Tissues, Mohit Ganguly
Analyzing Thermal And Mechanical Effects Of Pulsed Laser Irradiation On Tissues, Mohit Ganguly
Theses and Dissertations
Pulsed lasers are known for their spatial and temporal specificity in delivering heat energy to the tissues. This is useful in laser ablation treatment mechanism where damage to the healthy tissues is highly undesired. However, the efficacy of the process is limited by the damage caused by the pulsed laser. A pulsed laser has both photothermal and photomechanical interaction with tissues. Photothermal interaction is caused by the rise in temperature due to the laser irradiation. This includes the denaturation of proteins, increased mitochondrial membrane permeability and ultimately vaporization. Photomechanical interaction causes the generation of pressure waves produced as a result …
The Role Of Cytoprotective And Non-Protective Autophagy In Radiation Sensitivity In Breast Tumor Cells, Jade Le
Theses and Dissertations
In general, ionizing radiation promotes cytoprotective autophagy in a majority of breast tumor cells. Previous studies from our laboratory indicated that radiation (5x2 Gy) induces cytoprotective autophagy in MCF-7 cells. In the current work, inhibition of autophagy by silencing of Beclin-1 in MCF-7 cells resulted in an increase in sensitivity to radiation based both on cell number and clonogenic survival; however, there was no increase in apoptosis and the basis for this sensitization is currently under investigation. Unexpectedly, enhancement of autophagy by silencing of Bcl-2 also led to an increase in sensitivity to radiation, possibly through the conversion of cytoprotective …
Is ‘How’M I Doin’?’ A Universal Question? Unpackaging Cultural Differences In Feedback Seeking, Rana Gaby Moukarzel
Is ‘How’M I Doin’?’ A Universal Question? Unpackaging Cultural Differences In Feedback Seeking, Rana Gaby Moukarzel
Theses and Dissertations
The feedback literature is based on the premise that given a favorable context and a drive to reduce uncertainties, all individuals should seek self-relevant performance information. However, this framework has only been empirically examined using Western samples and has failed to consider the influence of the broader context, with the exclusion of Sully de Luque and Sommer’s (2000) cultural framework. The purpose of this project was to integrate extant culture theory into the feedback seeking literature for a more comprehensive framework, and a more global understanding of cultural contingencies surrounding the feedback seeking process. Findings revealed the universality of feedback …
The Effect Of Group Level Factors On Affective Convergence In Teams: An Agent Based Model, Chaunette Marie Small
The Effect Of Group Level Factors On Affective Convergence In Teams: An Agent Based Model, Chaunette Marie Small
Theses and Dissertations
Previous research supports the idea that affective convergence occurs in teams. The phenomenon of group affect has been well documented, however the group level conditions through which affective convergence emerges has received very little research. The current study helps to fill this gap by using agent-based modeling to examine affective convergence under varying group conditions. Agent-based modeling is a recently developed approach to research that uses the power of computers to model individual level behaviors and examine group level emergent constructs. The current study examined display rule presence, display rule breadth, social influence, interdependence, and team size on affective convergence. …
Design Of A Light-Weight Low-Volume High Oxygen Storage Density Material, Nicholas Robert Schwartz
Design Of A Light-Weight Low-Volume High Oxygen Storage Density Material, Nicholas Robert Schwartz
Theses and Dissertations
A compact, lightweight, dense and safe method for storing and supplying oxygen remains a large hurdle for closed-circuit self-contained breathing apparatus (SCBA) and respiratory protective equipment. No filter that can protect against airborne chemical, biological, radiological, and nuclear (CBRN) contaminants exists, which presents the need for an isolated oxygen source. Heavy and high maintenance oxygen cylinders are typically used. The most important criteria for a smart and effective CBRN protection device are safety, weight, size, and cost, level of maintenance, ease-of-use and reliability. This study focused on nanomaterials for high capacity gas storage. Nanocapillary arrays composed of anodic aluminum oxide …
Characterization Of Cretaceous Chalk Microporosity Related To Depositional Texture: Based Upon Study Of The Upper Cretaceous Niobrara Formation, Denver-Julesburg Basin, Colorado And Wyoming, P D. Pahnke
Theses and Dissertations
Prompted by increased interest in understanding microporosity, recent efforts at describing and classifying pore types in mudstones have focused primarily on siliceous, gas producing unconventional reservoirs with little attention being paid to carbonate, mixed oil-and-gas producers. The Niobrara Formation in the Denver-Julesburg Basin is a self-sourced resource play producing oil and natural gas from low permeability chalks. Key reservoir lithologies consist of chalk, chalky marl and marl. These lithologies contain flattened chalk fecal pellets which play a significant role in providing porosity. Integration of depositional fabric with pore-type distribution emphasizes the unique textural and depositional nature of chalk and provides …
Relationship Of Mitochondrial Enzymes To Fatigue Intensity And Health-Related Quality Of Life In Men With Prostate Cancer Receiving External Beam Radiation Therapy, Kristin Filler
Theses and Dissertations
Introduction: Cancer-related fatigue is often described by patients as a lack of energy, mental or physical tiredness, diminished endurance, and prolonged recovery after activity. Etiologic mechanisms underlying CRF are not well understood. Methods: A literature review was conducted to examine studies that had investigated the association of mitochondrial dysfunction with fatigue. The major conclusion from this review was that alterations in energy metabolism may contribute to fatigue. Therefore, the dissertation study focused on laboratory techniques for measuring mitochondrial oxidative phosphorylation enzymes (complexes I-V) and a mitochondrial-specific oxidative stress marker (superoxide dismutase 2 [SOD2]). The primary aim of the dissertation research …
Conspecific Attraction In A Low-Density Population Of A Threatened Songbird, Daniel James Albrecht-Mallinger
Conspecific Attraction In A Low-Density Population Of A Threatened Songbird, Daniel James Albrecht-Mallinger
Theses and Dissertations
Many organisms use both vegetation structure and social cues in selecting habitats. Many species of songbirds use the presence of breeding conspecifics as a social cue and sign of habitat quality, and can be induced to settle in unoccupied habitats by artificially broadcasting breeding song, a process referred to as “conspecific attraction”. In our study, we tested response to conspecific attraction a low-density population of the threatened Golden-winged Warbler (Vermivora chrysoptera) in Highland County, VA. Response to broadcast song was observed, with a modest increase in mean male abundance at survey points within 250 meters of treatments, and mean abundance …
Unification, Agency, Systemization, Intuition: My Art Making Process And Ideas, Zachary Duer
Unification, Agency, Systemization, Intuition: My Art Making Process And Ideas, Zachary Duer
Theses and Dissertations
This essay is an attempt to describe my ideas about my work, my process, and my philosophy of art by examining five of the major pieces I created during the pursuit of a Master of Fine Arts degree at Virginia Commonwealth University. I will discuss the pieces in chronological order, first providing a description of the works’ salient characteristics, then delving into both my specific thoughts about the work as well as the background ideas that were pertinent to me during my process of creation.
Role Of Membrane Fusion Protein Ykt6 In Regulating Epithelial Cell-Cell And Cell-Matrix Adhesions., Supriya Joshi
Role Of Membrane Fusion Protein Ykt6 In Regulating Epithelial Cell-Cell And Cell-Matrix Adhesions., Supriya Joshi
Theses and Dissertations
Intercellular junctions and cell-matrix adhesions play important roles in the maintenance of epithelial integrity. Assembly and remodeling of the plasma membrane complexes are regulated by membrane trafficking and fusion. This thesis is aimed to elucidate the roles of an important membrane fusion protein, Ykt6, in the regulation of epithelial cell adhesion and migration. For the first time, we show that Ykt6 is essential for assembly of adherens junctions and tight junctions in human prostate epithelial cells. We also observed that Ykt6 negatively regulates both collective epithelial cell migration and cell invasion into Matrigel. The effects of YKT6 on epithelial junctions …
Benthic Macroinvertebrate Subsampling Effort And Taxonomic Resolution For Bioassessments Of Streams In The James River Watershed Of Virginia, Laurel Williams
Benthic Macroinvertebrate Subsampling Effort And Taxonomic Resolution For Bioassessments Of Streams In The James River Watershed Of Virginia, Laurel Williams
Theses and Dissertations
Benthic macroinvertebrate diversity influences stream food web dynamics, nutrient cycling and material exchange between the benthos and the water column. Stream bioassessment has moved to the forefront of water quality monitoring in terms of benthic macroinvertebrate diversity in the recent past. The objectives of this study were to determine optimum subsample size and level of taxonomic resolution necessary to accurately and precisely describe macroinvertebrate diversity in streams flowing in the Piedmont province of the James River watershed in Virginia. Forty-nine sampling sites were selected from streams within the Piedmont Physiographic Province of the James River watershed. Ten sites were randomly …
Inferring Gene Regulatory Networks From Expression Data Using Ensemble Methods, Janusz Slawek
Inferring Gene Regulatory Networks From Expression Data Using Ensemble Methods, Janusz Slawek
Theses and Dissertations
High-throughput technologies for measuring gene expression made inferring of the genome-wide Gene Regulatory Networks an active field of research. Reverse-engineering of systems of transcriptional regulations became an important challenge in molecular and computational biology. Because such systems model dependencies between genes, they are important in understanding of cell behavior, and can potentially turn observed expression data into the new biological knowledge and practical applications. In this dissertation we introduce a set of algorithms, which infer networks of transcriptional regulations from variety of expression profiles with superior accuracy compared to the state-of-the-art techniques. The proposed methods make use of ensembles of …
Crossing Boundaries: Building A Model To Effectively Address Difference In Community Practice, Jason Sawyer
Crossing Boundaries: Building A Model To Effectively Address Difference In Community Practice, Jason Sawyer
Theses and Dissertations
Community organizing has a rich tradition within the field of social work. Prevailing community practice models, approaches, and frameworks remain primarily based on practice wisdom, experience, and intuition. Difference, pervasive in various contemporary contexts of practice, largely mediates interactions at the community level. Although difference is addressed at various levels of the practice continuum and within the IFSW and NASW codes of ethics, few methodologically driven tools exist within the literature to guide practitioners. This grounded theory study initiates early development of a community practice model based on forging alliances across boundaries of difference. The Critical Difference Engagement model is …
Hospital: A Creature Of Duality, Gordon Mccormick
Hospital: A Creature Of Duality, Gordon Mccormick
Theses and Dissertations
Hospitals can no longer be thought of as simply healing machines--they are healing organisms. It is Nature that permits every miracle of medicine, and it is Science that permits our understanding of medicine. By combining the two into a single idea, we aim to strike a balance between the duality of Nature and Technology, in order to design a space that relies more on the healing powers of Nature and less on the intrusiveness of Technology.
Investigations Of Novel Mechanisms Of Action For Anti-Bacterial And Anti-Cancer Agent Development, Jenson Verghese
Investigations Of Novel Mechanisms Of Action For Anti-Bacterial And Anti-Cancer Agent Development, Jenson Verghese
Theses and Dissertations
The development of drugs and therapeutic agents for combating infections and human malignancies continues to be a forefront area in both academic and industrial research. This is driven by the rapid emergence of multi-drug resistant bacterial strains and accumulating mutations in cancer targets that is quickly rendering our current arsenal of drugs ineffective for these therapies. Unless new drugs with novel mechanisms of action are identified and developed at a faster pace, we face a losing battle in managing these diseases. The first part of this work concerns with the natural product Simocyclinone D8 (SD8). Simocyclinone D8 is an angucyclinone …
An Experimental Study Of Bio-Inspired Force Generation By Unsteady Flow Features, Wesley N. Fassmann
An Experimental Study Of Bio-Inspired Force Generation By Unsteady Flow Features, Wesley N. Fassmann
Theses and Dissertations
As the understanding of the workings of the biological world expands, biomimetic designs increasingly move into the focus of engineering research studies. For this thesis, two studiesinvolving leading edge vortex generation for lift production as observed in nature were explored intheir respective flow regimes. The first study focused on the steady state analysis of streamwise vortices generated byleading edge tubercles of an adult humpback whale flipper. A realistic scaled model of a humpbackflipper was fabricated based on the 3D reconstruction from a sequence of 18 images taken whilecircumscribing an excised flipper of a beached humpback whale. Two complementary modelswith smooth …
Bakhtin’S Carnivalesque: A Gauge Of Dialogism In Soviet And Post-Soviet Cinema, Randy Davis
Bakhtin’S Carnivalesque: A Gauge Of Dialogism In Soviet And Post-Soviet Cinema, Randy Davis
Theses and Dissertations
This dissertation examines fifteen films produced in seven political eras from 1926 thru 2008 in Soviet / Post-Soviet Russia. Its aim is to determine if the cinematic presence of Bakhtin’s ten signifiers of the carnivalesque (parody, death, grotesque display, satirical humor, billingsgate, metaphor, fearlessness, madness, the mask, and the interior infinite) increase in their significance with the historical progression from a totalitarian State (e.g., USSR under Stalin) to a federal semi-residential constitutional republic (e.g., The Russian Federation under Yeltsin - Putin). In this study, the carnivalesque signifiers act as a gauge of dialogism, the presence of which is indicative of …
Queeranimal Imaginary: An Intra-Active Investigation Of Ecology, Performance, And Sound, Caryn Brissey
Queeranimal Imaginary: An Intra-Active Investigation Of Ecology, Performance, And Sound, Caryn Brissey
Theses and Dissertations
Through interrelated experiments in writing, video, sound, and movement, this research investigates the intersections of intimacy, ecology, and performance. Integrating an autoethnographic approach to gender and sexuality with creative practice and theoretical inquiry, this layered investigation offers implications that are both deeply personal and widely accessible. I am using my own experiences growing up as a queer child to generative corporeal and experience-based material, while also incorporating the ideas of current queer and gender theorists to frame my own research within the larger context of feminist studies. This research culminated into an evening length performance at Dogtown Dance Theatre on …
Indirect Effects Between Deer, Mice, And The Gypsy Moth In A Forest Community, John Wojcikiewicz
Indirect Effects Between Deer, Mice, And The Gypsy Moth In A Forest Community, John Wojcikiewicz
Theses and Dissertations
White-tailed deer are ecosystem engineers that dramatically alter forest understory vegetation. Consequently, deer can impact many species in a forest through both direct and indirect effects. One species that deer may indirectly affect is the gypsy moth, whose pupae are preyed upon by the white-footed mouse. Through alterations to understory habitat of mice, deer may reduce mouse predation on gypsy moth pupae. In this study, I tested for indirect effects of deer on the gypsy moth by comparing mouse abundance, vegetation properties, and predation on pupae inside, and outside, of long-term deer exclosures. Overall, I did not find evidence for …
Forest Net Primary Production Resistance Across A Gradient Of Moderate Disturbance, Ellen Goodrich-Stuart
Forest Net Primary Production Resistance Across A Gradient Of Moderate Disturbance, Ellen Goodrich-Stuart
Theses and Dissertations
The global carbon (C) balance is vulnerable to disturbances that alter terrestrial C uptake and loss. Moderate disturbances that kill or defoliate only a subset of canopy trees such as insect defoliation, drought, and age-related senescence are increasing in extent and frequency; yet, little is known about the effect of moderate disturbance on forest production and the mechanisms sustaining or supporting the recovery of the C cycle across a range of moderate disturbance severities. We used a broad plot-scale gradient of upper canopy tree mortality within a large manipulation of forest disturbance to: 1) quantify how aboveground wood net primary …