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Full-Text Articles in Entire DC Network
The Fantasy Focus: A Content Analysis Of Sports Magazines Examining The Rise In Popularity Of Fantasy Games, Michael Conti
The Fantasy Focus: A Content Analysis Of Sports Magazines Examining The Rise In Popularity Of Fantasy Games, Michael Conti
Graduate Theses, Dissertations, and Problem Reports (ETD)
Fantasy sports (FS) have become a mass phenomenon; it has been estimated that close to thirty million people play some form of fantasy sports, creating a multi-billion dollar market whose popularity and visibility have grown exponentially since its inception. This research examined the rise in popularity of FS with the Diffusion of Innovations theory used as a framework. A content analysis was conducted to gain insight on FS and various topics linked with the games, including social dynamics, gambling associations, and gender issues. Two coders examined fantasy content taken from issues of ESPN magazine, Sports Illustrated, and Sporting News from …
Ferric Iron Nanoparticle Formation Mediated By Negatively Charged Polypeptides, Vamsi Krishna Aluru
Ferric Iron Nanoparticle Formation Mediated By Negatively Charged Polypeptides, Vamsi Krishna Aluru
Graduate Theses, Dissertations, and Problem Reports (ETD)
The creation of magnetite particles by magnetotactic bacteria has been of great interest for a number of years. Previous studies have shown that magnetite nanocrystals have been synthesized in the presence of recombinant Mms6 protein. Mms6 plays a vital role in the biomineralization of bacterial magnetite nanocrystals. The objective of this research is to determine the effect of functional group type on size and shape of magnetic nanoparticles formed by biomineralization. Control over the size of nanoparticles is paramount. Use of nanoparticles as contrast agents in MRI is advantageous, as they are small enough to be localized in desired region …
Developing A Cellular Assay For Screening Inhibitors Of Stat4 Phosphorylation, Vivian Marcela Suarez
Developing A Cellular Assay For Screening Inhibitors Of Stat4 Phosphorylation, Vivian Marcela Suarez
Graduate Theses, Dissertations, and Problem Reports (ETD)
In order to design better therapeutic strategies, scientists work on understanding the interactions that take place at cell level and have an effect on the immune system. In order to identify a few possible inhibitors that may be up-regulated in tumor environment and that may affect T-cell action, a cellular assay was designed. An Interleukin-12 (IL-12)-responsive murine Th1 cell clone called 2D6 was used as cellular model to study the effects of transforming growth factor-beta (TGF-beta), insulin, and interleukin-6 (IL-6) on the phosphorylation of Signal transducer and activator of transcription 4 (STAT4), a key element in IL-12 signaling. Cells were …
Social Worlds Of Rock Climbers At Seneca Rocks, West Virginia, Katherine A. Thompson
Social Worlds Of Rock Climbers At Seneca Rocks, West Virginia, Katherine A. Thompson
Graduate Theses, Dissertations, and Problem Reports (ETD)
The purpose of this study was to provide management at Spruce Knob-Seneca Rocks National Recreation Area, West Virginia, with an understanding of the social worlds of rock climbers at Seneca Rocks, to ascertain any management interventions that can improve access to climbing areas at Seneca Rocks, and to determine how permitted group sizes among guided and/or unguided climbers would affect the social worlds of climbers at Seneca Rocks. Between the fall of 2009 and spring of 2010 17 interviews with rock climbers of varying experience climbing at Seneca Rocks were conducted, then analyzed along with accident reports, internet forum discussions, …
Using Environmental And Site-Specific Variables To Model Current And Future Distribution Of Red Spruce (Picea Rubens Sarg.) Forest Habitat In West Virginia, Nathan R. Beane
Graduate Theses, Dissertations, and Problem Reports (ETD)
Red spruce forests are a remnant ecosystem from the interglacial period of the Wisconsin glaciation and today are considered one of the most threatened forest ecosystems in the eastern United States. The extent of red spruce forests in West Virginia prior to exploitative logging which occurred from 1880--1920 is estimated at 190,000 ha, but today, these forests are estimated to occupy no more than 24,000 ha, resulting primarily from intense anthropogenic disturbances. With the extensive loss of presettlement habitat for red spruce in West Virginia, this species is a high priority for restoration, as these forests offer the unique habitat …
High Rank Tensor And Spherical Harmonic Models For Diffusion Mri Processing, Inas A. Yassine
High Rank Tensor And Spherical Harmonic Models For Diffusion Mri Processing, Inas A. Yassine
Graduate Theses, Dissertations, and Problem Reports (ETD)
Diffusion tensor imaging (DTI) is a non-invasive quantitative method of characterizing tissue micro-structure. Diffusion imaging attempts to characterize the manner by which the water molecules within a particular location move within a given amount of time. Measurement of the diffusion tensor (D) within a voxel allows a macroscopic voxel-averaged description of fiber structure, orientation and fully quantitative evaluation of the microstructural features of healthy and diseased tissue.;The rank two tensor model is incapable of resolving multiple fiber orientations within an individual voxel. This shortcoming of single tensor model stems from the fact that the tensor possesses only a single orientational …
Effectiveness Of Cetylpyridinium Chloride, Chlorhexidine Gluconate, Chlorine Dioxide, And Essential Oils Against F. Nucleatum, P. Gingivalis, S. Mutans And S. Sobrinus---A Biofilm Approach, Kristafer Lee Adkins
Effectiveness Of Cetylpyridinium Chloride, Chlorhexidine Gluconate, Chlorine Dioxide, And Essential Oils Against F. Nucleatum, P. Gingivalis, S. Mutans And S. Sobrinus---A Biofilm Approach, Kristafer Lee Adkins
Graduate Theses, Dissertations, and Problem Reports (ETD)
Results of evaluating chemotherapeutic effectiveness have focused on planktonic, two-dimensional bacterial existence. Biofilms exist as three-dimensional structures which shelter bacteria deep within. Current research is needed to evaluate the effectiveness of various chemotherapeutics against bacteria residing inside of a biofilm. In order to do so, this study evaluated the effectiveness of four common chemotherapeutics (cetylpyridinium chloride, chlorhexidine gluconate, chlorine dioxide, and essential oils) against four bacteria (S. mutans, S. sobrinus, F. nucleatum and P. gingivalis) in both planktonic and biofilm modeled culture media. Data was obtained through the measurement of zones of inhibition (ZOI) surrounding test discs placed on experimental …
Community College Department Chairs' Leadership Styles And Faculty Utilization Of Instructional Technology, Anastasia (Stacey) L. Boggs
Community College Department Chairs' Leadership Styles And Faculty Utilization Of Instructional Technology, Anastasia (Stacey) L. Boggs
Graduate Theses, Dissertations, and Problem Reports (ETD)
This study explores the relationship between faculty utilization of instructional technology and the leadership style of mathematics and English academic department chairpersons in associate degree-granting community colleges in the states of Maryland, Pennsylvania, and Virginia. The degree to which instructional technology was utilized in teaching courses was determined through self reporting surveys answered via mail by the selected faculty and chairs in the study. The academic department chairpersons in mathematics and English departments at the selected community colleges were rated by their faculty to determine their leadership style, using the Bolman and Deal Leadership Orientations survey. The leadership styles consisted …
Teacher And Administrator Perceptions Of Technology Use In Two West Virginia Middle Schools, Carrie E. Marcum
Teacher And Administrator Perceptions Of Technology Use In Two West Virginia Middle Schools, Carrie E. Marcum
Graduate Theses, Dissertations, and Problem Reports (ETD)
The "digital natives" that are sitting in today's classrooms live their lives surrounded by technology. "The current crop of learners differs in significant ways from previous generations because, unlike their predecessors, they have literally grown up 'digital'" (Simpson & Clem, 2008, p. 2). Teachers and administrators often struggle to keep up with the technological world that students are used to. This mixed-methods study included West Virginia teachers and administrators from two middle schools. Teachers and administrators at the two schools were given surveys that addressed the following: frequency of technology use for personal and professional use, confidence level with various …
A Degradation Model For Solid Oxide Fuel Cell Anodes Due To Impurities In Coal Syngas, Fatma Nihan Cayan
A Degradation Model For Solid Oxide Fuel Cell Anodes Due To Impurities In Coal Syngas, Fatma Nihan Cayan
Graduate Theses, Dissertations, and Problem Reports (ETD)
Solid Oxide Fuel Cells (SOFCs) offer great promise as a clean and efficient alternative to conventional power generation technologies. A major advantage of SOFCs in comparison to other fuel cell types is that they can be operated directly on a wide variety of fuels including biogas, hydrocarbon fuels and coal-derived synthesis gas (syngas). SOFC operating on coal syngas is an especially attractive prospect given the abundant coal resources in the world. However, coal syngas usually contains various impurities such as phosphorus, arsenic, zinc, sulfur, mercury, selenium, and vanadium which affect the performance and durability of SOFCs. At low impurity concentrations, …
Process Model And Control System For The Glass Fiber Drawing Process, Songke Liu
Process Model And Control System For The Glass Fiber Drawing Process, Songke Liu
Graduate Theses, Dissertations, and Problem Reports (ETD)
Drawing of glass fibers is an important industrial process used for manufacture of a variety of materials ranging from optical communications cables to fiber filter media. A variety of machines exist for performing the drawing function, but all share similar problems with control of the fiber diameters and breakage of the fibers during the extrusion process. In many cases, control systems are not configured to monitor the most critical process variables-- temperature of molten glass in the furnace, but instead use only furnace crown temperature. Upsets in disturbance variables such as ambient temperature are compensated manually by operators, usually only …
Jimmy Choos Vs. Ariats: The Presentation Of Masculinity In The Online Sex Ads Of Men Who Have Sex With Men, Adam Thomas Babich
Jimmy Choos Vs. Ariats: The Presentation Of Masculinity In The Online Sex Ads Of Men Who Have Sex With Men, Adam Thomas Babich
Graduate Theses, Dissertations, and Problem Reports (ETD)
The concept of masculinity should be understood in terms of its fluidity. One cannot say that there is a specific "white" masculinity or a specific "straight" masculinity; rather, masculinity is constantly changing. The inherent problem of defining masculinity has not deterred researches but has fueled a large and growing body of literature dedicated to studying masculinity's dynamic process of change. For a long time, gay men have been regarded as a group who is incapable of possessing masculinity; indeed according to hegemonic masculinity, gay men must be excluded. However, research has shown that gay men are rejecting this notion and …
The Ku Klux Klan's Portrayal Of African Americans In Mass Media Technology, Heather R. Sager
The Ku Klux Klan's Portrayal Of African Americans In Mass Media Technology, Heather R. Sager
Graduate Theses, Dissertations, and Problem Reports (ETD)
The White supremacy group, the Ku Klux Klan was formed in 1866, after the end of the Civil War, in the small town of Pulaski, TN, by six ex-Confederate soldiers. Over the last 143 years the Klan has tried to take full advantage of the media in order to reach the largest audience possible to make its voice heard and spread its ideologies of hate towards African Americans and other minority groups. This study focuses on the similarities and differences in the Klan's portrayal of African Americans between two great technological advances used by the Klan---motion pictures from the twentieth …
Three Essays On Institutions And Economic Development, Sanjukta Roy
Three Essays On Institutions And Economic Development, Sanjukta Roy
Graduate Theses, Dissertations, and Problem Reports (ETD)
This dissertation consists of three essays that look into different types of institutions and their relation with various aspects of economic development. The essays explore the role of financial institutions, political institutions and the role of a free media in the context of economic development. Chapter 2 elaborates on how foreign direct investment (henceforth FDI) inflow into an economy can contribute towards the freedom of the institution of media. Chapter 3 analyzes how a free media can help mitigate terrorism incidents and strengthen a democracy for the same cause. Chapter 4 investigates how the development of financial institutions, namely financial …
Roosting Ecology Of Bats In A Disturbed Landscape, Joshua B. Johnson
Roosting Ecology Of Bats In A Disturbed Landscape, Joshua B. Johnson
Graduate Theses, Dissertations, and Problem Reports (ETD)
In 2007 and 2008, I examined roost selection of forest-interior dwelling northern myotis (Myotis septentrionalis) maternity colonies in stands treated with prescribed fire (hereafter, fire) and in unburned (hereafter, control) stands on the Fernow Experimental Forest, West Virginia. Using radio telemetry, I tracked 36 female northern myotis to 69 roost trees; 25 in the fire treatment and 44 in the control treatment. Using logistic regression and an information-theoretic model selection approach, I determined that within the fire treatment, northern myotis maternity colonies were more likely to use cavity trees that were smaller in diameter, higher in crown class, and located …
The Language And Body Language Of Political Communication: Investigating The Effects Of The Verbal Versus The Visual In Televised Gubernatorial Debates, Nicole Bernadette Fernandes
The Language And Body Language Of Political Communication: Investigating The Effects Of The Verbal Versus The Visual In Televised Gubernatorial Debates, Nicole Bernadette Fernandes
Graduate Theses, Dissertations, and Problem Reports (ETD)
This experimental study investigated the effects of the verbal and visual elements of a series of United States televised gubernatorial debates than took place between the 2006--2009 election years. Guided by the Social Judgment Theory and the Heuristic-Systematic Model, a series of 16 debate clips were shown to participants to gauge their attitudes and voting intentions toward the candidates running for office. The hypotheses predicted a correlation between viewers' level of interest in the topics discussed and their attitudes (positive or negative) toward the candidates, as well as their intentions to vote for them. Findings indicated that regardless of the …
Peptide Based Molecular Recognition Elements For Binding 2,4,6-Trinitrotoluene, Avram Siegel
Peptide Based Molecular Recognition Elements For Binding 2,4,6-Trinitrotoluene, Avram Siegel
Graduate Theses, Dissertations, and Problem Reports (ETD)
Three peptides labeled AS2, AS3 and AS6 were designed to evaluate the role of secondary structure in a peptide's ability to selectively bind 2,4,6 trinitrotoluene (TNT). The peptides were produced using recombinant DNA methods through E. coli expression. It was hypothesized that AS6 would form a random coil, AS2 would form an alpha-helix and AS3 would form a beta-sheet. The secondary structures of the peptides were determined using circular dichroism spectroscopy and the binding of the peptides to TNT was studied using an enzyme linked immunosorbent assay. After expression, the presence of the peptide in the final purified product was …
Investigation Of Hdde Exhaust Flow Mixing Devices To Enhance Scr Performance, Venkata Reddy Sathi
Investigation Of Hdde Exhaust Flow Mixing Devices To Enhance Scr Performance, Venkata Reddy Sathi
Graduate Theses, Dissertations, and Problem Reports (ETD)
The 2010 regulations implemented by the U.S. Environmental Protection Agency (EPA) require significant reduction in Oxides of Nitrogen (NO x) and Particulate Matter (PM). These regulations have driven a significant amount of research and development into more advanced engine combustion strategies and after-treatment systems. This study focuses on NOx reduction in Heavy Duty Diesel Engines (HDDE) equipped with Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) catalyst by optimizing the mixing of DPF out exhaust gas with urea injected upstream of the SCR. Proprietary wired mesh substrates were installed between the DPF and SCR system at three locations and …
Impact Of Carbon Dioxide Sequestration In Depleted Gas-Condensate Reservoirs, Richard M. Ramharack
Impact Of Carbon Dioxide Sequestration In Depleted Gas-Condensate Reservoirs, Richard M. Ramharack
Graduate Theses, Dissertations, and Problem Reports (ETD)
Depleted gas-condensate reservoirs are becoming important targets for carbon dioxide sequestration. Since depleted below the dew point, retrograde condensate has been deposited in the pore system and may be temporarily or permanently trapped in the reservoir, causing severe reductions in gas production rates and the permanent loss of a large portion of the volatile and valuable condensate liquids. Carbon dioxide injection in the depleted gas-condensate reservoirs may allow enhanced condensate recovery by liquid revaporization and reservoir repressurization or pressure maintenance.;The purpose of this research study was to develop a gas-condensate reservoir model using a compositional simulator to investigate the impact …
Critical Buckling Strength Prediction Of Pultruded Gfrp Composite Columns, Mathew Marvin Blandford
Critical Buckling Strength Prediction Of Pultruded Gfrp Composite Columns, Mathew Marvin Blandford
Graduate Theses, Dissertations, and Problem Reports (ETD)
Fiber-reinforced polymeric (FRP) composites offer a unique addition to common construction materials utilized in Civil Engineering. However, unlike traditional construction materials (steel, timber, concrete, etc) FRP composites lack adequate design standards and or criteria. The need for appropriate design guidelines is subsequently required in order to ease the progression of the use FRP composites in construction. The present research investigates several previously proposed prediction models' ability to calculate failure of GFRP composite columns of varied length and cross section. Material properties were developed through testing specimens of the coupon and 1ft "pure" compression (component) levels. Furthermore, a strain-energy density failure …
Ethnicity, Boundaries, And Nationalism In A "European" Croatia, Jennifer L. Titanski
Ethnicity, Boundaries, And Nationalism In A "European" Croatia, Jennifer L. Titanski
Graduate Theses, Dissertations, and Problem Reports (ETD)
Despite the E.U.'s attempts to create a sense of European homogeneity between its members, issues of nationality and identity continue to play a vital role in both its function and expansion. This research examines the shifting role that the nation plays in Croatia's transition to the European Union. Employing discourse analysis of state documents and online surveys of Croatian youth, this study analyzes the role of the state in perpetuating an image of stability and westward thinking toward greater Europe; identifies the perspective young Croatian adults have on European integration; gauges the importance of nationalism for a post-socialist generation; and …
Evaluation Of Ultrafine Spiral Concentrators For Coal Cleaning, Meng Yang
Evaluation Of Ultrafine Spiral Concentrators For Coal Cleaning, Meng Yang
Graduate Theses, Dissertations, and Problem Reports (ETD)
Although froth flotation methods are the major processes being used in treating ultrafine coal in coal preparation plant, the processes might require large quantities of frother and collectors. The usage of reagents not only might increase the operating costs, but also cause environment concerns. 4+3 short turns two-staged spiral concentrator has been developed, applied in ultrafine coal cleaning circuit, and operated at a lower flowrate than that of spiral used in fine coal cleaning circuit. Ultrafine spiral concentrator is a specific gravity-based separator. It might be gradually accepted in ultrafine coal cleaning circuit as an alternative to froth flotation methods …
Leaching Of Chalcopyrite With Sodium Hypochlorite, Ravinder Kumar Garlapalli
Leaching Of Chalcopyrite With Sodium Hypochlorite, Ravinder Kumar Garlapalli
Graduate Theses, Dissertations, and Problem Reports (ETD)
Chalcopyrite is the most important copper mineral source and also a refractory mineral for leaching. Several processing routes have been proposed to overcome the environmental problems related to copper extraction from chalcopyrite. In this study, the leaching of chalcopyrite has been investigated with a new reagent sodium hypochlorite (NaOCl). Experiments were carried out in two stages: conversion of chalcopyrite to cupric oxide with NaOCl solution in the first stage, followed by dissolution of the cupric oxide to cupric ion with 1 normal sulfuric acid at room temperature in the second stage. In the first stage leaching, the initial pH varied …
A Component Based Model For The Prediction Of The Product Yields Of The Pyrolysis Of A Biomass Particle, Brian C. Eberly
A Component Based Model For The Prediction Of The Product Yields Of The Pyrolysis Of A Biomass Particle, Brian C. Eberly
Graduate Theses, Dissertations, and Problem Reports (ETD)
Pyrolysis of biomass can produce several useful, renewable products: biochar for soil amendment and long-term carbon sequestration; tars for chemicals and biofuels; and syngas as an energy and biofuel production feedstock. The ability to predict the relative yields of gas, tar and char from the pyrolysis process of various biomasses will enable optimization of pyrolysis process for specific yield ratios. Component based kinetic and 1-D pyrolysis models are developed wherein the woody biomass is characterized by the mass percentage of its three primary components: cellulose, hemicellulose and lignin. Using dual stage mechanisms for primary component pyrolysis and tar cracking reactions, …
Sense Of Community, Collective Efficacy, And Perceived Police Efficacy: Research From A Social Cognitive Perspective, Ellen Belchior Rodrigues
Sense Of Community, Collective Efficacy, And Perceived Police Efficacy: Research From A Social Cognitive Perspective, Ellen Belchior Rodrigues
Graduate Theses, Dissertations, and Problem Reports (ETD)
This research investigates the relationship between two aspects of social cohesion on perceived police efficacy: (1) Sense of community, which is related to individual belonging and attachment to a place, as well as and trust and influence among residents; and (2) Collective efficacy, which is defined as cohesion among residents, combined with shared expectations for the social control of public spaces. Based in social disorganization theory and social cognitive theory, this study analyzes to what extent sense of community and collective efficacy affect perceptions of police work. This study was conducted in with residents from four neighborhoods from Wilmington, DE. …
Phosphorus Nutrition In Broilers, Staci Ann Loop
Phosphorus Nutrition In Broilers, Staci Ann Loop
Graduate Theses, Dissertations, and Problem Reports (ETD)
Due to depleting resources, high feed ingredient costs, and eutrophication, phosphorus nutrition in broilers has been a topic of concern for many years. The amount of damage being done to the environment by phosphorus runoff in some states has led to regulations that require broiler litter to have decreased phosphorous with the use of a phytase enzyme. There are many phytase products on the market, however, these enzymes are not all equally effective. Companies may rely only on feed manufacture retention data instead of conducting live bird performance research to test the actual efficacy of the enzyme. The first study …
Elucidating The Role Of Ascorbic Acid In Flowering And Pathogen Defense In Arabidopsis Thaliana, Madhumati Mukherjee
Elucidating The Role Of Ascorbic Acid In Flowering And Pathogen Defense In Arabidopsis Thaliana, Madhumati Mukherjee
Graduate Theses, Dissertations, and Problem Reports (ETD)
L-ascorbic acid (AA) protects plants against abiotic stress. Previous studies suggested that this antioxidant is also involved in the control of flowering and enhanced disease resistance. This study aimed to elucidate the mechanisms through which AA deficiency promotes flowering and pathogen resistance.;To decipher how AA influences flowering time, four AA-deficient Arabidopsis thaliana mutants vtc1-1, vtc2-1, vtc3-1 and vtc4-1 were grown under short and long days, respectively. These mutants flowered and senesced before the wild type irrespective of the photoperiod, a response that cannot simply be attributed to slightly elevated oxidative stress in the mutants. Genetic analyses demonstrated that various photoperiodic …
Mountaineer Boys And Girls Club Public Relations Campaign Professional Project, Lisa K. Brown
Mountaineer Boys And Girls Club Public Relations Campaign Professional Project, Lisa K. Brown
Graduate Theses, Dissertations, and Problem Reports (ETD)
The task of sustaining a nonprofit organization in a small town can be challenging. These organizations rely on public relations to communicate with the public and maintain their funding. This professional project provides the Mountaineer Boys and Girls Club ("the Club") in Morgantown, West Virginia, with a public relations campaign. The campaign is designed to assist the Club with increasing donations, extending stewardship and increasing website visits from a relationship management perspective. The project also offers other nonprofit staff members with a guide to use when creating their own public relations plans.
Performance And Economics Of Methane Hydrate Reservoirs, Lavanya Nyayapathi
Performance And Economics Of Methane Hydrate Reservoirs, Lavanya Nyayapathi
Graduate Theses, Dissertations, and Problem Reports (ETD)
In order to address the world's growing energy demand, the necessity to explore more and more unconventional sources of energy arises. Recently there has been increased interest in the potential of natural gas hydrates as an alternate energy resource. Hydrates are distributed worldwide and have a high energy density in that 1 m3 of methane hydrates can release as much as 164 m3 of gas.;Hydrates were studied as a laboratory curiosity until and then naturally occurring hydrates were discovered in 1934 clogging gas and oil pipelines. The first naturally occurring hydrate deposits were suggested in 1965 by Makogon in Russia. …
Text, Graphics, And Multimedia Materials Employed In Learning A Computer-Based Procedural Task, Kari Christine Carlson Coffindaffer
Text, Graphics, And Multimedia Materials Employed In Learning A Computer-Based Procedural Task, Kari Christine Carlson Coffindaffer
Graduate Theses, Dissertations, and Problem Reports (ETD)
The present research study investigated the interaction of graphic design students with different forms of software training materials. Four versions of the procedural task instructions were developed (A) Traditional Textbook with Still Images, (B) Modified Text with Integrated Still Images, (C) Onscreen Modified Text with Silent Onscreen Video and (D) Onscreen Narrated Video for four computer tasks. Two research questions guided the study: Research Question 1: Are there any significant differences in student learning of a computer-based procedural task due to the format of the training materials? Research Question 2: Do individual differences in prior knowledge and spatial abilities make …