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Articles 10111 - 10140 of 35662
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Dissecting Rna Silencing Pathways In Sclerotinia Sclerotiorum, Pauline Mochama
Dissecting Rna Silencing Pathways In Sclerotinia Sclerotiorum, Pauline Mochama
Electronic Theses and Dissertations
RNA silencing, also known as RNA interference, is an essential mechanism in plants, animals and fungi that functions in gene regulation and defense against foreign nucleic acids. In fungi, RNA silencing has been shown to function primarily in defense against invasive nucleic acids. RNA-silencing- deficient fungi show increased susceptibility to virus infection. Plant pathogenic fungi also utilize RNA silencing to silence plant host immunity genes through the delivery of fungal small RNAs into plants. This cross-kingdom RNA silencing facilitates fungal infection of plants. Overall, these findings demonstrate the significant contributions of fungal RNA silencing pathways to fungal virulence and viral …
Mechanical Bar Splices For Accelerated Construction Of Bridge Columns, Puskar Kumar Dahal
Mechanical Bar Splices For Accelerated Construction Of Bridge Columns, Puskar Kumar Dahal
Electronic Theses and Dissertations
Mechanical bar splicing is an alternative method of connecting reinforcing bars in concrete structures compared to conventional lap splicing mainly to reduce bar congestion in joints. Recently, mechanical bar splices, which are also referred to as bar couplers, have been used to connect precast members to accelerate construction of concrete bridges and buildings. Current codes prohibit the use of couplers in the plastic hinge regions of bridge columns in high seismic zones. This may be because of a lack of systematic test data on the coupler performance, limited experimental studies on mechanically spliced bridge columns, and an engineering precaution. The …
Biomass Burning In The Conterminous United States: A Comparison And Fusion Of Active Fire Observations From Polar-Orbiting And Geostationary Satellites For Emissions Estimation, Fangjun Li
Electronic Theses and Dissertations
Biomass burning is an important source of atmospheric greenhouse gases and aerosol emissions that significantly influence climate and air quality. Estimation of biomassburning emissions (BBE) has been limited to the conventional method in which parameters (i.e., burned area and fuel load) can be challenging to quantify accurately. Recent studies have demonstrated that the rate of biomass combustion is a linear function of fire radiative power (FRP), the instantaneous radiative energy released from actively burning fires, which provides a novel pathway to estimate BBE. To obtain accurate and timely BBE estimates for near real-time applications (i.e., air quality forecast), the satellite …
A Longitudinal Examination Of Eating Disorders And Associated Risk Factors In Division I Student-Athletes, Nicole Court-Menendez
A Longitudinal Examination Of Eating Disorders And Associated Risk Factors In Division I Student-Athletes, Nicole Court-Menendez
Electronic Theses and Dissertations
CONTEXT: Eating disorders represent a significant concern across multiple populations including collegiate athletes. Risk factors for eating disorders may be amplified in athletes because of internal and external performance and image expectations. Little is known about how these risk factors change over time in collegiate student-athletes.
OBJECTIVE: To longitudinally examine select eating disorder risk factors in National Collegiate Athletic Association (NCAA) Division I student-athletes.
DESIGN: Descriptive longitudinal study.
SETTING: NCAA Division I collegiate athletics.
PARTICIPANTS: Retired Division I collegiate athletes (n=204), ages 18-22, who competed in football, women’s soccer, women’s volleyball, baseball, men’s and women’s track and field, men’s and …
Statistical Algorithms And Bioinformatics Tools Development For Computational Analysis Of High-Throughput Transcriptomic Data, Adam Mcdermaid
Statistical Algorithms And Bioinformatics Tools Development For Computational Analysis Of High-Throughput Transcriptomic Data, Adam Mcdermaid
Electronic Theses and Dissertations
Next-Generation Sequencing technologies allow for a substantial increase in the amount of data available for various biological studies. In order to effectively and efficiently analyze this data, computational approaches combining mathematics, statistics, computer science, and biology are implemented. Even with the substantial efforts devoted to development of these approaches, numerous issues and pitfalls remain. One of these issues is mapping uncertainty, in which read alignment results are biased due to the inherent difficulties associated with accurately aligning RNA-Sequencing reads. GeneQC is an alignment quality control tool that provides insight into the severity of mapping uncertainty in each annotated gene from …
Life Sucks: Classifying Transgressive Fiction, Jena Christianson
Life Sucks: Classifying Transgressive Fiction, Jena Christianson
Electronic Theses and Dissertations
This thesis explores the genre of transgressive fiction and locates my own creative work within this genre. Los Angeles Times writer Michael Silverblatt popularized the term transgressive fiction in 1993 and associates authors such as Dennis Cooper, Kathy Acker, Roland Barthes, Bret Easton Ellis, Michel Foucault, William Gass, Jean Genet, and William Burroughs with the genre; however, the definition of transgressive fiction remains elusive. Therefore, in my first chapter, I analyze three transgressive novels—Bret Easton Ellis’s American Psycho, Chuck Palahniuk’s Fight Club, and Tony Tullamuthe’s Private Citizens. My second chapter consists of selections from my creative work, a transgressive novel …
Variable Selection Techniques For Clustering On The Unit Hypersphere, Damon Bayer
Variable Selection Techniques For Clustering On The Unit Hypersphere, Damon Bayer
Electronic Theses and Dissertations
Mixtures of von Mises-Fisher distributions have been shown to be an effective model for clustering data on a unit hypersphere, but variable selection for these models remains an important and challenging problem. In this paper, we derive two variants of the expectation-maximization framework, which are each used to identify a specific type of irrelevant variables for these models. The first type are noise variables, which are not useful for separating any pairs of clusters. The second type are redundant variables, which may be useful for separating pairs of clusters, but do not enable any additional separation beyond the separability provided …
Quantifying Potential Long-Term Changes In Erosion, Discharge, And Total Suspended Solids Resulting From Agricultural Land Use Change In South Dakota, Hector Manuel Menendez Iii
Quantifying Potential Long-Term Changes In Erosion, Discharge, And Total Suspended Solids Resulting From Agricultural Land Use Change In South Dakota, Hector Manuel Menendez Iii
Electronic Theses and Dissertations
South Dakota is a mosaic of grasslands, wetlands, and cropland. A continuing shift from grassland to cropland has occurred over the past decade and is expected for the next 50 years. Rate of future conversion may vary greatly in response to regulatory, economic, and social factors. Concern has risen over environmental consequences associated with land conversion, which include but are not limited to changes in rill and sheet erosion rates from cultivated soils, stream and river discharge, and water quality. Quantifying future changes for these three externalities is important to understand the possible long-term consequences of complex grassland conversion decisions …
Replication, Virulence, And Pathogenesis Of Influenza Viruses, Chithra Chembil Sreenivasan
Replication, Virulence, And Pathogenesis Of Influenza Viruses, Chithra Chembil Sreenivasan
Electronic Theses and Dissertations
Influenza D virus (IDV) is a novel influenza virus that infects cattle and swine, with cattle as its primary host species. The goal of our first study was to investigate the replication and transmission of bovine IDV in guinea pigs. Following direct intranasal inoculation of animals, the virus was detected in nasal washes of infected animals during the first 7 days post-infection. High viral titers were obtained from nasal turbinates and lung tissues of directly inoculated animals. Further, bovine IDV was able to transmit from the infected guinea pigs to sentinel animals by means of contact and not by aerosol …
Increasing Access To High-Impact Practices: A Case Study On Internships At The University Of Mississippi, Kristina Phillips, Jennifer Saxon
Increasing Access To High-Impact Practices: A Case Study On Internships At The University Of Mississippi, Kristina Phillips, Jennifer Saxon
Electronic Theses and Dissertations
This dissertation-in-practice case study aimed to assess internships opportunities at the University of Mississippi (UM) to determine potential barriers for access among African American students and students with low socioeconomic backgrounds. Internships are a high impact practice, as identified by the American Association for Colleges and Universities (AAC&U) that provide students with tangible, real-world experience to prepare for careers after graduation. Experiential learning theories (Kolb, 1984; Dewey, 1938) and high-impact practices (Kuh, 2008) establish the importance of student engagement outside of traditional classroom settings. The patterns and frequency of internship participation are not clear for University of Mississippi students. Research …
Medium Extra Vlue, Andrew Ryan Dally
Medium Extra Vlue, Andrew Ryan Dally
Electronic Theses and Dissertations
The secret ingredient of every burger is language.
The Role Of Brand Name Fluency: A Pharmaceutical Marketing Perspective, David Wamble
The Role Of Brand Name Fluency: A Pharmaceutical Marketing Perspective, David Wamble
Electronic Theses and Dissertations
Background: consumers are exposed to thousands of advertisements, most all of which are designed to promote a particular brand and accompanying brand name. The selection of a brand name is a critical strategic decision and is an important means to building brand equity. The importance of branding elements, specifically brand names, has led pharmaceutical manufacturers to become more creative and open the possibilities of language in brand name development. Given the complexities associated with brand name development in the U.S. pharmaceutical industry and the trends observed in recent pharmaceutical brand names, advancing the understanding of how brand name selection can …
Experimental Investigation Of Impurities And Their Effect On Acousto-Electric Properties Of Lithium Niobate, Chandrima Chatterjee
Experimental Investigation Of Impurities And Their Effect On Acousto-Electric Properties Of Lithium Niobate, Chandrima Chatterjee
Electronic Theses and Dissertations
No abstract provided.
Measuring The Capabilities Infrastructure: A County-Level Index Of Nonprofit And Private Sector Organizational And Physical Community Capital, Ryan Thomas Snow
Measuring The Capabilities Infrastructure: A County-Level Index Of Nonprofit And Private Sector Organizational And Physical Community Capital, Ryan Thomas Snow
Electronic Theses and Dissertations
Across the United States, citizens’ communities provide vastly different access to critical resources that can improve their personal, familial, and collective well-being. Yet, little is known about the organization of the physical and organizational resource infrastructure of these communities, limiting the ability of policymakers, researchers, and citizens to address uneven development, inequality, and poverty. Drawing on 2015 North American Industry Classification System (NAICS) data, this research study creates a tool for measuring the nonprofit and private organizational and physical resource environment of communities at the county-level by aggregating establishment counts for 20 indicators into six standardized thematic dimensions to create …
Japanese-English Bilinguals’ Competence Of Speech Acts In Politeness, Chikako Takehara
Japanese-English Bilinguals’ Competence Of Speech Acts In Politeness, Chikako Takehara
Electronic Theses and Dissertations
The perceptions and norms of speech acts vary depending on the actor’s culture and language (Blum-Kulka, House, & Kasper, 1989; Rinnert & Kobayashi, 1999). Politeness also has diverse benchmarks depending on culture and language, as noted by Ide et al. (1992) who argue that the concept of politeness is different in Japanese and English. When considering the fact that it is challenging to possess bicultural competence and equal proficiency in both languages (Baker, 2011), how one retains this competence becomes a noteworthy question. Thus, this study investigated whether bilinguals who move to a L2 dominant country retain their communicative competence …
A Framework For Assessing Water Quality, Prioritizing Recovery Potential, And Analyzing Placement Of Best Management Practices, Tadesse Animaw Sinshaw
A Framework For Assessing Water Quality, Prioritizing Recovery Potential, And Analyzing Placement Of Best Management Practices, Tadesse Animaw Sinshaw
Electronic Theses and Dissertations
Motivated by the U.S. EPA goals, this research developed a framework to support identification and restoration of nutrient-impaired water bodies. The study objectives were developing total nitrogen (TN) and total phosphorus (TP) prediction models, evaluating the impact of social indicators on assessing recovery potential, and developing a spatial decision support system for choice and placement of best management practices (BMPS). An artificial neural network was used to develop TN and TP predictive regional models for U.S. lakes using easily measurable and cost-effective variables. The performance of models was superior for regions trained with larger datasets and/or regions with lower temperature …
A Study Of Computational Problems In Computational Biology And Social Networks: Cancer Informatics And Cascade Modelling, Christopher Ma
A Study Of Computational Problems In Computational Biology And Social Networks: Cancer Informatics And Cascade Modelling, Christopher Ma
Electronic Theses and Dissertations
It is undoubtedly that everything in this world is related and nothing independently exists. Entities interact together to form groups, resulting in many complex networks. Examples involve functional regulation models of proteins in biology, communities of people within social network. Since complex networks are ubiquitous in daily life, network learning had been gaining momentum in a variety of discipline like computer science, economics and biology. This call for new technique in exploring the structure as well as the interactions of network since it provides insight in understanding how the network works and deepening our knowledge of the subject in hand. …
Demands And Offers In Ultimatum Games, Jeremiah Wills
Demands And Offers In Ultimatum Games, Jeremiah Wills
Electronic Theses and Dissertations
Pecorino and Van Boening (2010) introduce the embedded ultimatum game. The authors embed an ultimatum game into a stylized legal bargaining framework and cross analyze the offer and dispute behavior in this game with the same behavior in a baseline simple ultimatum game. The current study seeks to test the replicability of a computerized version of these games. Additionally, variations of the two games are introduced here to test the effects of specific manipulation of the framing of the simple ultimatum game, as well as to test the effects of specific manipulation of the offer structure in both the simple …
African American And First-Generation Students’ Perceptions Of And Experiences With An Academic Cohort, Kim Barnes
African American And First-Generation Students’ Perceptions Of And Experiences With An Academic Cohort, Kim Barnes
Electronic Theses and Dissertations
Underrepresented student populations are faced with numerous barriers and are often overlooked on many college campuses. The aim of this research was to better understand academic cohorts and if they help reduce some of the barriers faced by African American and first-generation students which can ultimately affect retention and persistence to graduation. In order to gather this information, interviews and surveys were conducted with students once enrolled in the foundations for academic success track (Fastrack) program at the University of Mississippi. Results from the interviews and surveys indicate that while the Fastrack program seemed to support successful social transitions for …
Comparisons Of Time To Task Failure And Muscle Activity For Two Different Submaximal Fatiguing Contractions, Sunggun Jeon
Comparisons Of Time To Task Failure And Muscle Activity For Two Different Submaximal Fatiguing Contractions, Sunggun Jeon
Electronic Theses and Dissertations
The aim of this study was to examine the time to task failure for two different fatiguing tasks (force vs. Position task) on elbow flexion exercise, in order to explore potential mechanisms of muscle fatigue. Twenty healthy and recreationally active individuals (10 men and 10 women) participated in this 3-visit investigation. At least 48 hours after the first visit as the familiarization, the subject returned for one of the experimental visits (order randomized). During the force task visit, the subject performed maximal voluntary contractions (mvcs), several submaximal trapezoid isometric contractions with different intensities (40% and 70% of mvc), and folloby …
Comparison Of Air Displacement Plethysmography And Dual-Energy X-Ray Absorptiometry For Estimation Of Body Fat Percentage In National Collegiate Athletic Association Division I Athletes, Caitlyn Rose Chenevert
Comparison Of Air Displacement Plethysmography And Dual-Energy X-Ray Absorptiometry For Estimation Of Body Fat Percentage In National Collegiate Athletic Association Division I Athletes, Caitlyn Rose Chenevert
Electronic Theses and Dissertations
The aim of this research is to study the Apple iOS and Android mobile frameworks from a developers' perspective. The first chapter introduces a historical overview of operating systems for mobile devices as well the motivation and objectives of the research. The second chapter introduces basic principles of the iOS and Android mobile frameworks in order to evaluate the platforms. The third chapter evaluates and compares the main features of both frameworks. The fourth chapter discusses the implementation of several applications on the iOS and Android mobile frameworks, which are used to demonstrate the advantages and disadvantages of each platform. …
The Effects Of Acidic Conditions And Tannins On The Survival, Development, And Behavior Of Cope’S Gray Treefrog (Hyla Chrysoscelis), Caleb E. Dodd
The Effects Of Acidic Conditions And Tannins On The Survival, Development, And Behavior Of Cope’S Gray Treefrog (Hyla Chrysoscelis), Caleb E. Dodd
Electronic Theses and Dissertations
As amphibians decline around the world, freshwater acidification resulting from pollutants and acid rain may be a contributor. The ability of organisms to cope with environmental changes is greatly mediated by behavior, and recent studies indicate that anthropogenic acidification impairs behavioral responses by impacting olfactory abilities of aquatic organisms. Responding appropriately to novel stimuli is important for individual performance and survival, and pollutants may cause organisms to behave maladaptively. In this study I sought to: a) determine whether the oviposition site choices of adult female frogs correspond with the pH and tannin conditions that maximize tadpole survival and performance in …
Leaping Behavior In Silver Carp (Hypophthalmichthys Molitrix): Analysis Of Burst Swimming Speeds, Angle Of Escape, Height, And Distance Of Leaps, Ehlana Stell
Electronic Theses and Dissertations
Silver Carp have rapidly expanded their range exploiting vulnerable habitats, disrupting fisheries, and inflicting unknown ecological damage. These fish have continued to spread into the Middle Mississippi River and the Tennessee River Valley and great effort is being expended to prevent Silver Carp from entering the Great Lakes and expanding further into the Ohio, Illinois, Missouri, and Tennessee Rivers. Using boat-mounted cameras, we recorded in situ video of invasive Silver Carp, Hypopthalmichthys molitrix leaps to measure their horizontal distance, height, and angle of escape as well as their burst speed. Video tapes of fish leaps were obtained from populations of …
Impacts And Implications Of Polytypism On The Evolution Of Aposematic Coloration, Justin Philip Lawrence
Impacts And Implications Of Polytypism On The Evolution Of Aposematic Coloration, Justin Philip Lawrence
Electronic Theses and Dissertations
Aposematic signaling is a comdefensive strategy whereby prey species use conspicuous signals (i.e., bright coloration) to warn predators of the risks of predation due to a secondary defense. Theoretical, lab, and field experiments have demonstrated that individuals who project novel conspicuous signals should experience disproportionately high predation pressure as predators will not associate novel signals with a secondary defense. Thus, aposematic signaling should be subject to strong positive frequency-dependent selection (FDS). Numerous species show considerable intrapopulation variation (polymorphism) in direct conflict with the expectations of FDS. Interpopulation variation (polytypism) can adhere to expectations of FDS, but as its origins likely …
In Search Of Marketing's Genie: Essays On The Impact Of Ceo And Corporate Governance Factors On Marketing Strategies, Prachi Gala
In Search Of Marketing's Genie: Essays On The Impact Of Ceo And Corporate Governance Factors On Marketing Strategies, Prachi Gala
Electronic Theses and Dissertations
Past research has shown that the marketing function is struggling for survival in many companies. One of the causes to be blamed for, is internal corporate governance which consists of the composition of the top management team and the compensation given to them. How firms differ in their internal corporate governance and how can internal corporate governance be altered to solve the problem of decline in marketing is what this dissertation is built on. Essay 1 attempts to address heterogeneity in stock market reaction to new product introduction announcements and strategic alliance announcements by looking at the impact of internal …
Molecular Dynamics Simulation Of Polymer Nanocomposites In Extreme Environments, Farzin Rahmani
Molecular Dynamics Simulation Of Polymer Nanocomposites In Extreme Environments, Farzin Rahmani
Electronic Theses and Dissertations
In this dissertation, lower length scale phenomena associated with the responses of hybrid materials to harsh and extreme environments were studied. The goal of this research was to reveal the underlying mechanisms of damage mitigation in these materials and the role that interface, and relevant material component interactions play in the overall material response. First, the thermal decomposition behavior of a technologically important material system, i.e., pristine graphene (PG) and graphene oxide (GO) reinforced poly(ethylene oxide) (PEO), was investigated using a reactive molecular dynamics simulation methodology. The simulations were performed in both non-isothermal (dynamic gravimetric) and isothermal modes of decomposition. …
Multiobjective Reservoir Optimization Using Genetic Algorithm, Seyma Tiryakioglu
Multiobjective Reservoir Optimization Using Genetic Algorithm, Seyma Tiryakioglu
Electronic Theses and Dissertations
This thesis investigates the optimization of energy generation in a multipurpose reservoir. The objective functions and the constraints for the multiobjective optimization of reservoir operation for maximization of energy production involve the solution of a set of nonlinear equations governing pressure flow in penstock and turbine system and the hydropower generation. The hydropower generation also requires operational rules that define how the reservoir storage volume must be used at different storage levels. For these reasons, the present thesis uses genetic algorithm (GA) functions available in Matlab to perform the multiobjective optimization of hydropower energy production. Multiobjective optimization is based on …
The Relationship Between Doctoral-Level Teaching Preparation Strategies In Cacrep-Accredited Counselor Education Programs And Self-Efficacy Toward Teaching, Eric Galen Suddeath
The Relationship Between Doctoral-Level Teaching Preparation Strategies In Cacrep-Accredited Counselor Education Programs And Self-Efficacy Toward Teaching, Eric Galen Suddeath
Electronic Theses and Dissertations
This study focused on the preparation of doctoral students enrolled in counselor education and supervision (CES) programs for their future responsibilities as teachers. Specifically, this study examined the relationship between CES doctoral students’ self-efficacy toward teaching, as measured by the Self-Efficacy toward Teaching Inventory (SETI), and several teaching preparation strategies identified in the CES literature and accreditation standards: formal coursework on college teaching, fieldwork experiences in teaching, and supervision of teaching fieldwork experiences. Data were collected from 171 CES doctoral students through an electronic survey tool. This study found that all of the identified teaching preparation variables were signicantly related …
Examining Factors Related To Teacher Turnover In Mississippi School Districts And The Relationship Between Teacher Experience, Teacher Turnover, And Student Achievement, Angela Wheeler - Bass
Examining Factors Related To Teacher Turnover In Mississippi School Districts And The Relationship Between Teacher Experience, Teacher Turnover, And Student Achievement, Angela Wheeler - Bass
Electronic Theses and Dissertations
No abstract provided.
Three Essays On Insurance Asset Management, Xin Che
Three Essays On Insurance Asset Management, Xin Che
Electronic Theses and Dissertations
The insurance industry manages a large amount of financial assets. In recent years, a growing number of investment companies are providing insurance asset management solutions, and the use of external asset management by the insurance industry is increasing over time. Therefore, understanding insurance asset management is important for academics and practitioners in both insurance and general finance. In the first essay, we investigate industrial portfolio tilt (referred to as “industry bias”) in the U.S. property liability insurers’ comstock portfolios. We find that U.S. property-liability insurers exhibit a negative industry bias by tilting their portfolios away from their own industry. We …