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Full-Text Articles in Entire DC Network
The Effects Of A Phytogenic Feed Additive Versus An Antibiotic Feed Additive On Oxidative Stress In Broiler Chicks And A Possible Mechanism Determined By Electron Spin Resonance And The Effect Of Allopurinol, Uric Acid Sodium Salt Administration, And Inosine On Xanthine Oxidoreductase Activity And Plasma Uric Acid In Broilers., Tabatha L. Settle
Graduate Theses, Dissertations, and Problem Reports (ETD)
The purpose of the first study was to compare a phytogenic feed additive and an antibiotic feed additive when measuring oxidative stress in young broilers. Phytogenic feed additives are plantderived products used in poultry feeding to improve overall performance of broilers. Although the precise mechanism by which the increased growth rate is realized remains uncertain, these products have antioxidant components that are known to reduce oxidative stress. This is considered important in that reactive oxygen species (ROS), the causative factor of oxidative stress, can result in damage to biological systems within the bird. In this study, 588 one day-old Cobb …
Ac And Dc Electrophoretic Separations: Investigating Binding Affinity Interactions And Particle Surface Properties., Christian M. White
Ac And Dc Electrophoretic Separations: Investigating Binding Affinity Interactions And Particle Surface Properties., Christian M. White
Graduate Theses, Dissertations, and Problem Reports (ETD)
Capillary electrophoresis is a well-documented separation technique offering rapid, automated analyses with low-sample volume requirements and broad applicability to biological and inorganic analytes. Here it serves as a platform to investigate the binding affinity between small molecules and bovine serum albumin. It is also used to characterize the surface properties of surface-modified polystyrene particles, including the zeta potential and surface conductance. In both instances, the electrophoretic mobility of the analytes is prioritized through passivation of the surface silanols of the fused silica capillary, which suppresses electroosmotic flow. For the affinity studies, suppression of electroosmotic flow allows for the separation of …
Analysis Of Carrion Fly (Diptera: Calliphoridae) Population Genetics Using Amplified Fragment Length Polymorphism (Aflp) Profiles., Christine J. Picard
Analysis Of Carrion Fly (Diptera: Calliphoridae) Population Genetics Using Amplified Fragment Length Polymorphism (Aflp) Profiles., Christine J. Picard
Graduate Theses, Dissertations, and Problem Reports (ETD)
Worldwide, there are over 1000 species of blow flies (Diptera: Calliphoridae). Blow flies display a variety of habits, however they are best known for their role in the decomposition of carrion. As yet, there are few studies of their population genetic structure, although such data would contribute to such fields as pest management, taxonomy, forensic entomology and veterinary medicine. Although it is typically assumed that carrion fly populations are panmictic, this has been disputed. This research focused on developing a new protocol to understand the population genetic structure in carrion flies using amplified fragment length polymorphism (AFLP) profiles. My specific …
Numerical Modeling Of Near-Surface Carbon Dioxide Migration With Barometric Pumping Effects., Guoxiang Liu
Numerical Modeling Of Near-Surface Carbon Dioxide Migration With Barometric Pumping Effects., Guoxiang Liu
Graduate Theses, Dissertations, and Problem Reports (ETD)
With anthropogenic activities, the concentration of CO2 in the atmosphere has dramatically risen, very likely resulting in global warming and climate change. Capturing and disposing of the produced CO2 in geological formations can mitigate this problem provided that there is no substantial leakage from the subsurface back to atmosphere for hundreds of years. The detection of any CO2 leakage is essential to verify that the sequestration is effective, to initiate corrective actions if leakage is discovered, and to accurately assign storage credits in a "cap and trade" regulatory system. Natural fluctuations in atmospheric pressure are one factor that influences the …
Incremental Validity Of The Psychopathic Personality Inventory - Revised In Predicting Program Failure., Katrina L. Mccoy
Incremental Validity Of The Psychopathic Personality Inventory - Revised In Predicting Program Failure., Katrina L. Mccoy
Graduate Theses, Dissertations, and Problem Reports (ETD)
The current study examined the incremental validity of the Psychopathic Personality Inventory- Revised in relation to the Psychological Inventory of Criminal Thinking Styles and Personality Assessment Inventory in predicting failure of a Residential Drug Abuse Treatment Program among 222 male inmates. Failure was defined as expulsion, withdrawal, or restart of the residential phase of the treatment program or failure during the community transition phase. One-hundred fifty-eight inmates completed the program and 64 failed. Analyses revealed that scales on the Psychopathic Personality Inventory-Revised and the PAI predicted treatment failure with low predictive accuracy that was greater than chance. Specifically, the Psychopathic …
Seeing Science Everywhere: A Case Study Of The Perceptions Of Three Fifth Grade Science Teachers' Complementary Use Of The Arts In The Science Classroom In An Economically Distressed County In Central Appalachia., Angela A. Mckeen
Graduate Theses, Dissertations, and Problem Reports (ETD)
By employing qualitative methods, this study sought to determine the perceptions three fifth grade science teachers held about using the arts to complement science teaching in an economically distressed county in rural Appalachia and the perceived roles the arts and sciences play in the lives of those living in rural Appalachia. Each case was studied using participant-observer observations, personal journals, archival data, and interviewed using semi-structured, in-depth interview techniques. From these data, unique themes emerged for each of the three cases. Constant comparative analysis was used to analyze the data set for each individual case. A cross-case analysis was then …
The D'Artagnan Of The Bow: The Inimitable Chevalier De Saint-Georges., Edward Algernon Brown
The D'Artagnan Of The Bow: The Inimitable Chevalier De Saint-Georges., Edward Algernon Brown
Graduate Theses, Dissertations, and Problem Reports (ETD)
As the first person with African blood to be recognized as a composer of Western art music, Joseph Boulogne, the Chevalier de Saint-Georges, is acknowledged for his remarkable ability as a composer, conductor, violin soloist and renowned fencer. His contributions to and achievements in the field of music, is nothing short of extraordinary and this document provides further insight into the life of a true Renaissance man. This thesis also examines the numerous disparities found in two separate publications of the Violin Concerto in G, Opus 2, No. 1, the goal of which is to bring awareness to the fact …
Engendering Clinical Competencies In Physician Assistant Programs: A Mixed Study Of Marietta College's Student Assessment Of Learning And Professional Practice., William A. Childers
Engendering Clinical Competencies In Physician Assistant Programs: A Mixed Study Of Marietta College's Student Assessment Of Learning And Professional Practice., William A. Childers
Graduate Theses, Dissertations, and Problem Reports (ETD)
This study involved the physician assistant clinical competencies. Marietta College Physician Assistant alumni were surveyed both quantitatively as well as qualitatively about how well engendered they became with the physician assistant competencies as a result of their completion of the program. Although data did show all competency means to be perceived as average in nature, several statistically significant differences were found when analyzed using demographic data. Recommendations for future research should compare the competencies and gender as well as reassess the weakest areas of each competency.
Electrical Characterization Of Buckled Graphene Films Derived From Plasma Etched Silicon Carbide., Tobias Denig
Electrical Characterization Of Buckled Graphene Films Derived From Plasma Etched Silicon Carbide., Tobias Denig
Graduate Theses, Dissertations, and Problem Reports (ETD)
Graphene is a 2D allotrope of carbon with exceptional electronic properties and numerous applications. Research in the Surface and Materials Studies Laboratory at West Virginia University has led to the development of a low temperature, halogen based plasma etching process that produces buckled graphene films on 6H-SiC. Films ranging from one to five layers in thickness have been produced. This growth process is scalable with the SiC wafer diameter, and in principle, it resolves many of the difficult issues associated with the manufacturability of large area epitaxial graphene films. The growth process and functionalization of these buckled graphene films have …
Memorializing Motherhood: Anna Jarvis And The Struggle For Control Of Mother's Day., Katharine Lane Antolini
Memorializing Motherhood: Anna Jarvis And The Struggle For Control Of Mother's Day., Katharine Lane Antolini
Graduate Theses, Dissertations, and Problem Reports (ETD)
Few people outside the state of West Virginia recognize the name Anna Jarvis or know of the lovely church that stands as a shrine to her accomplishments. Yet, on every second Sunday in May, we mail the cards, buy the flowers, place the long distant phone calls, or make the brunch reservation to honor our mothers because of her. Anna Jarvis was the founder of Mother's Day. She organized the first official Mother's Day celebration in 1908 and then spent four decades promoting the holiday and defending it from commercialization and ideological exploitation. Jarvis designed her Mother's Day celebration based …
Multicultural Counseling Competencies, White Racial Identity Development, And Color-Blind Racial Attitudes: Differences Across Mental Health Sub-Disciplines., Jacquelyn Monique Strait
Multicultural Counseling Competencies, White Racial Identity Development, And Color-Blind Racial Attitudes: Differences Across Mental Health Sub-Disciplines., Jacquelyn Monique Strait
Graduate Theses, Dissertations, and Problem Reports (ETD)
Multicultural counseling education in graduate programs is an essential component of clinical training. The exploration of racial identity attitudes and color-blind racial attitudes are starting to become increasingly integrated into multicultural training. The sub-fields of counseling, counseling psychology, and clinical psychology programs have different histories and unique professional identities that set them apart from one another. Limited research exists that explores whether multicultural training differs according to type of graduate training program. The current study examined differences in self-reported multicultural competencies, racial identity development, and color-blind racial attitudes across mental health sub-disciplines. Social desirability was used as a control measure. …
Economics Of Geological Sequestration And Carbon Management: A Case Study Of Shenhua's Direct Coal Liquefaction Plant In China., Hui Su
Graduate Theses, Dissertations, and Problem Reports (ETD)
In this carbon-constrained world, carbon management options for climate change mitigation are becoming increasingly important, especially in China, the largest energy consuming and GHG emitting nation in the world. As a case study of a carbon capture and storage (CCS) project for Shenhua's direct coal liquefaction (DCL) plant, this study (1) investigates impacts of China's potential climate change policies on a firm's CCS decisions; (2) examines how a firm is expected to make decisions on the selection of CO2 storage reservoirs; and (3) improves the understanding of the potential for CCS to become a major mitigation option in China. This …
Artificial Neural Networks For Reservoir Level Detection Of Carbon Dioxide Seepage Location Using Permanent Down-Hole Pressure Data., Jalal Jalali
Graduate Theses, Dissertations, and Problem Reports (ETD)
Monitoring the potential seepage of CO2 is a required practice for any CO2 sequestration project. Monitoring is used in order to ensure the efficiency of the sequestration process and that the CO 2 will remain in the target formation for extended periods of time. Different techniques that exist in the literature differ based on their resolution and location of their application. Monitoring techniques can be divided into three categories: surface techniques, which measure CO2 at or above the surface, shallow depth techniques, which monitor the concentration of CO2 in soil or shallow aquifers, or deep techniques, which monitor CO2 movement …
The Evaluation Of Virulent And Hypovirulent Inocula Of The Chestnut Blight Fungus, Cryphonectria Parasitica, To Incite Infection And Spermatize Virulent Cankers., Shawn C. Kenaley
The Evaluation Of Virulent And Hypovirulent Inocula Of The Chestnut Blight Fungus, Cryphonectria Parasitica, To Incite Infection And Spermatize Virulent Cankers., Shawn C. Kenaley
Graduate Theses, Dissertations, and Problem Reports (ETD)
Transgenic hypovirulent (HV) strains of Cryphonectria parasitica [Murrill] M.E. Barr engineered to contain an infectious cDNA copy of Cryphonectria hypovirus 1 (Hypoviridae; CHV1) may provide an efficient mechanism to introduce hypoviruses into genetically heterogeneous populations of the chestnut blight fungus. However, elucidating the factors that affect the infection of chestnut and spread of C. parasitica is needed to fully utilize the potential of transgenic HV strains for the biological control of chestnut blight. In one study, three experiments were conducted at a forested site near Bartow, West Virginia. The seasonality of HV and virulent canker development was measured in the …
Laboratory Investigations Of Alfven Waves In A High Power Helicon Plasma With Density Gradients., Saeid Houshmandyar
Laboratory Investigations Of Alfven Waves In A High Power Helicon Plasma With Density Gradients., Saeid Houshmandyar
Graduate Theses, Dissertations, and Problem Reports (ETD)
Alfven wave dissipation is the primary physical process that underlies a leading theoretical model of coronal ion heating in the Sun. Data from Hinode, the recently launched high-resolution solar imaging mission [Erdelyi and Fedun, Science, Dec. 2007], has provided strong evidence for the presence of Alfven waves in the corona and in coronal loops. These Hinode observations have the potential to explain the million-degree difference between ion temperatures in the corona and at the top of the photosphere. Laboratory investigations of Alfven wave propagation and damping typically require long plasma sources, needed to accommodate the long wavelength waves. Shorter experimental …
Mechanism For Heterogeneous Reduction Of Selenite By Zero Valent Iron-Steel Wool., Donglin Huang
Mechanism For Heterogeneous Reduction Of Selenite By Zero Valent Iron-Steel Wool., Donglin Huang
Graduate Theses, Dissertations, and Problem Reports (ETD)
Although selenium is as essential element for animal and human growth, selenium released from coal mining process and coal combustion residues to surface and groundwater may cause toxicity to aquatic life. There is urgent need for an easy and accurate analytical method to speciate and determine trace selenium concentrations in waters impacted by coal mine drainage, and treatment technique to remove selenium from aqueous solution. The primary objective of present work is to develop a speciation procedure and analytical method for inorganic selenium species (Se0, SeIV, SeVI) with Multimode Sample Introduction System-Inductive Coupled Plasma Optic Emission Spectrometer (MSIS-ICP). Experiments showed …
Intergenerational Transmission Of Health-Promoting Behaviors: Examining Participation In Physical Activity Between Middle-Aged Mothers And Their Younger Adult Children, Sarah T. Stahl
Graduate Theses, Dissertations, and Problem Reports (ETD)
Research has provided considerable evidence that participation in regular physical activity is associated with numerous physical and mental health benefits (Penedo & Dahn, 2005). Despite public health efforts to increase the activity levels adults, only 25% of the U.S. adult population is regularly active and nearly 60% remains sedentary (US Department of Health and Human Services [USDHHS], 2008). A small, but growing, area of research has examined physical activity from an intergenerational or dyadic perspective that considers how involvements in close, personal relationships influence levels of physical activity. In a sample of middle-aged mothers and their younger adult children, the …
Nonwoven Geotextile Filtration Performance With Coal Refuse, Rajesh Tolikonda
Nonwoven Geotextile Filtration Performance With Coal Refuse, Rajesh Tolikonda
Graduate Theses, Dissertations, and Problem Reports (ETD)
The project involved bench scale testing investigating geotextile filter clogging by fine particle intrusion and fabric blinding from coarse and fine coal refuse with nonwoven geotextile filter fabric. The research explored the fine particle distribution through the refuse material and interfacial contact with the geotextile. The coal refuse was obtained from an active mining and coal waste impoundment operation located in Boone County, WV. The research involved testing of non-woven geotextiles with coarse and fine coal refuse under standard and reduced compaction energies in order to simulate field performance of the fabric to the effects of loose compaction conditions, such …
Power Simulator Upgrade For Smart Grid Algorithm Development And Testing, Michael Joseph Spencer
Power Simulator Upgrade For Smart Grid Algorithm Development And Testing, Michael Joseph Spencer
Graduate Theses, Dissertations, and Problem Reports (ETD)
This thesis describes the conversion of WVU's analog power simulator into a micro-grid of the future test bed by installing digital relays and intelligent electronic switches. The simulator is a hardware representation of the grid which contains traditional hardware, both digital and analog as well as the recent addition of highly connected, via Ethernet and potentially wireless communication, smart switching and monitoring devices. These new devices were chosen specifically for their cyber security capability to explore that facet of smart grid development. It is important to note that this simulator is a hardware implementation and as such is capable of …
Synthesis, Structural And Magnetic Properties Of Copper Doped Cerium Oxide Nanoparticles, Savan Suri
Synthesis, Structural And Magnetic Properties Of Copper Doped Cerium Oxide Nanoparticles, Savan Suri
Graduate Theses, Dissertations, and Problem Reports (ETD)
In this thesis, synthesis, structural and magnetic properties of the undoped and copper doped cerium oxide nanoparticles have been investigated. The nanoparticles were prepared by sol-gel preparation method. Undoped samples were prepared with different particles sizes by annealing the as-prepared sample at different temperatures Ta = 200°C, 400°C, 550°C, 700°C, 800°C. The particle size varied from 3 nm to 42 nm with increasing annealing temperatures. Copper was doped into CeO2 by annealing the samples at 400°C in ultra high pure nitrogen. The nominal percentages of copper in doped cerium oxide were 2.5%, 5%, 7.5% and 10%.;Structural characterization of the nanoparticles …
Preliminary Analysis Of The Environmental Effects On Rna Degradation: Modeling A Realistic Crime Scene, Beatriz A. Vianna
Preliminary Analysis Of The Environmental Effects On Rna Degradation: Modeling A Realistic Crime Scene, Beatriz A. Vianna
Graduate Theses, Dissertations, and Problem Reports (ETD)
In forensic science, polymerase chain reaction (PCR) became an indispensable tool given the limited amount of biological samples usually encountered at crime scenes. DNA analysis is used to identify the source of biological samples typically obtained from a single hair, or droplet of blood. Determining the source of the biological evidence can provide a spatial link, thereby including or excluding a suspect at a crime scene or other locations related to a crime investigation. In spite of the great efficiency in human identification, DNA analysis cannot provide any information regarding time of deposition of the sample. The ability to establish …
Examining The Influence Of Indicator Variables On Crowding And Visitor Experience: A Case Study Of The White Salmon River In Washington, Candace L. Weaver
Examining The Influence Of Indicator Variables On Crowding And Visitor Experience: A Case Study Of The White Salmon River In Washington, Candace L. Weaver
Graduate Theses, Dissertations, and Problem Reports (ETD)
The purpose of this study was to assess social carrying capacity on the White Salmon River. The study chose a series of evaluative standards and indicator variables to test the relationship between possible predictors and feelings of crowding for river users. The study also sought to discover any relationships between the user's feelings of crowding and overall visitor satisfaction. Interviews and surveys were conducted during the summer of 2009 onsite at the three possible White Salmon River whitewater exit points. The findings were analyzed using SPSS statistical software. It was found that river users were very satisfied with their river …
Design Of A Multi-Piece Removable Mandrel Mold Tool To Fabricate And Control Inner Mold Surface Contour Of A Composite Wing Spar, Eric J. Thompson
Design Of A Multi-Piece Removable Mandrel Mold Tool To Fabricate And Control Inner Mold Surface Contour Of A Composite Wing Spar, Eric J. Thompson
Graduate Theses, Dissertations, and Problem Reports (ETD)
Composites technologies are advancing at a rapid rate. As engineers continue to find new ways to us fiber reinforced composites, the need for advanced tooling is greater than ever. In the ever expanding aircraft industry, wing spars are one of the most critical parts on the aircraft and typically require expensive custom tooling. They provide structural support for the entire aircraft under strong aerodynamic loading. The spars must be manufactured to the highest aircraft standards.;Many spars have closed section geometry which provides even more difficulty in the manufacturing and tooling process. Not only does the tooling have to be used …
Power Envelope Expansion Using A Solidity Matching Scheme For A Circulation Controlled Vertical Axis Wind Turbine, Jay Paul Wilhelm
Power Envelope Expansion Using A Solidity Matching Scheme For A Circulation Controlled Vertical Axis Wind Turbine, Jay Paul Wilhelm
Graduate Theses, Dissertations, and Problem Reports (ETD)
Constant rotational speed vertical axis wind turbines (VAWTs) with fixed blades can have a limited performance envelope as the wind speed changes. Unlike horizontal axis wind turbines that can change the blade pitch to compensate for wind speed changes, vertical axis wind turbines are currently unable to achieve a blade pitch change reliably. A different method of changing the blade's lift characteristics is needed by vertical axis wind turbines to increase its power envelope.;Circulation control (CC) can change the characteristics of an aerofoil by expelling air, moving at multiple times the free stream velocity, out of a thin slot along …
Development Of Economic Analysis Models For Woody Biomass To Biofuels In Central Appalachia, Jinzhuo Wu
Development Of Economic Analysis Models For Woody Biomass To Biofuels In Central Appalachia, Jinzhuo Wu
Graduate Theses, Dissertations, and Problem Reports (ETD)
Concerns about volatile crude oil prices, energy security, and environmental issues are driving the production and use of renewable energy in the United States. Woody biomass can be used as feedstock for solid or liquid fuels or electricity generation. An economic analysis model was developed to estimate the delivered cost of woody biomass using different woody biomass handling systems. The model was designed to minimize the total annual delivered cost of woody biomass and applied to the central Appalachian region. Six forest districts were used to represent the destination of woody biomass supply. When demand is 900 metric tons (990 …
Long-Term Climate Trend In Mid-Atlantic Region, Usa, Chenjie Wu
Long-Term Climate Trend In Mid-Atlantic Region, Usa, Chenjie Wu
Graduate Theses, Dissertations, and Problem Reports (ETD)
Climate change on global scale has been studied by many researchers while regional studies are limited. The most recent international summary of climate change science (IPCC 2007) suggested a remarkable trend of increasing global surface temperature but no statistically significant trend in precipitation on a global average due to large variability in both space and time. Thus, this study focused on detecting climate changes and effects in the Mid-Atlantic Region, an important ecological system in the US and the world. Climate data from 25 stations with daily measurements for more than 100 years from the National Climate Data Center were …
The Role Of Nonmuscle Myosin Iia In Endothelial Cell, Jing Zhu
The Role Of Nonmuscle Myosin Iia In Endothelial Cell, Jing Zhu
Graduate Theses, Dissertations, and Problem Reports (ETD)
Myosins are molecular motors that convert chemical energy into mechanical force. Vertebrate cells contain three myosin II isoforms, designated as myosin IIA, IIB and IIC, and each isoform has unique biochemical and biophysical charasterics. It is generally accepted that all three isoforms are involved in regulating actin structures and cell contraction. However, it is unknown what role(s) each isoform plays in maintaining actin structures and generating cellular force. Experiments presented in this thesis will begin to document what role myosin IIA plays in endothelial cell contraction and actin dynamics.;Myosin IIA ablated from endothelial cells by infection with adenovirus encoding a …
Comparison Of Noise Reduction Results For Fit-Testing And Continuous Observations During Coal Mining For Selected Earplug And Earmuff, Mingyu Wu
Graduate Theses, Dissertations, and Problem Reports (ETD)
It is not clear how effective hearing protective devices are during actual use, including during coal mining. A proposed solution is individual fit-testing, which is usually done in an office environment. However, it is not clear that fit-testing accurately represents protection while actually working. This research investigates both issues for coal miners for two hearing protectors (E-A-R earplug and Peltor earmuff). It consists of two related studies: lab studies of fit-testing and field studies relating fit-testing at coal mine offices to the actual noise reductions provided for the same coal miners during work.;The effects of several variables on fit-testing results …
Burden Of Care And Health -Related Quality Of Life Among Caregivers Of Children With Autism Spectrum Disorder, Rahul Khanna
Burden Of Care And Health -Related Quality Of Life Among Caregivers Of Children With Autism Spectrum Disorder, Rahul Khanna
Graduate Theses, Dissertations, and Problem Reports (ETD)
Caring for a child with autism is a challenging experience for parents, who also have to assume the role of a caregiver. Several studies have documented the occurrence of negative outcomes among caregivers of children with autism. Autism has been shown to affect every aspect of caregivers' lives, whether it is their mental health, physical health, financial health, or social health. The purpose of this study was to gather in-depth information about the impact of autism on primary caregivers. Both qualitative and quantitative research methods were used for this purpose. As part of the project, three studies were conducted. Data …
Regulation Of Anoikis By Ankyrin Complexes, Sanjeev Kumar
Regulation Of Anoikis By Ankyrin Complexes, Sanjeev Kumar
Graduate Theses, Dissertations, and Problem Reports (ETD)
Anoikis is a subset of apoptosis, suppressed by cell-extracellular matrix association. It is a safeguard mechanism against tumor metastasis. The present study was designed to understand the role of cortical cytoskeletal protein ankyrin-G and its interacting proteins in anoikis. E-cadherin and ankyrin-G are function partners and during epithelial-mesenchymal-transition (EMT), both gets downregulated. During cell-extracellular matrix dissociation, ankyrin-G shifts to cytoplasm from cytoskeleton and loses spectrin interaction. Overexpression of ankyrin-G induced apoptosis in death domain dependent manner, promoted by the presence of ankyrin-G death domain interacting partner, RIP1 (Receptor Interacting Protein with death domain). Ankyrin-G also interacted with a MAGE family …