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Biodegradation Of An Organophosphate Chemical Warfare Agent Simulant By Activated Sludge With Varying Solid Retention Times, Allen K. Janeczko Mar 2013

Biodegradation Of An Organophosphate Chemical Warfare Agent Simulant By Activated Sludge With Varying Solid Retention Times, Allen K. Janeczko

Theses and Dissertations

This study examined the fate of malathion, a surrogate compound for VX studies, in bench-scale sequencing batch bioreactors being operated under varied solid retention times (SRTs) to simulate the activated sludge process in wastewater treatment facilities. Results show that a constant influent of the malathion will largely be removed. However, the heterotrophic bacteria undergo a stress response which temporarily inhibits malathion removal, the extent of which increases with increasing SRTs. After this stress response takes place, the activated sludge is able to resume a high degree of malathion removal, even with increased influent concentration; however, this is done so at …

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Needed Actions Within Defense Acquisitions Based On A Forecast Of Future Mobile Information And Communications Technologies Deployed In Austere Environments, Andrew T. Soine Mar 2013

Needed Actions Within Defense Acquisitions Based On A Forecast Of Future Mobile Information And Communications Technologies Deployed In Austere Environments, Andrew T. Soine

Theses and Dissertations

The purpose of this research was twofold. First, it developed a forecast of future mobile information and communications technologies (ICT) suitable for use by military forces in austere environments in 5-10, 10-20, and beyond 20 years. Secondly, it explored whether or not current acquisitions practices will be adequate to meet the needs of warfighters who depend on mobile ICT. These questions were explored by conducting utilization of the Delphi technique. Eight panelists from within the private sector conducted three rounds of iterative feedback. This research resulted in a technology forecast for the three timeframes aforementioned, and the potential impacts to …

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Fate Of Malathion In An Activated Sludge Municipal Wastewater Treatment System, Edward B. Walters Mar 2013

Fate Of Malathion In An Activated Sludge Municipal Wastewater Treatment System, Edward B. Walters

Theses and Dissertations

Organophosphate compounds are used as pesticides and in chemical warfare agents such as nerve agents. VX (O-ethyl S-[2-(diisopropylamino)ethyl] methylphosphonothioate) is one of the most toxic and environmentally persistent of these nerve agents. This research examined the fate of malathion, a pesticide and surrogate of VX (O-ethyl S-[2-(diisopropylamino)ethyl] methylphosphonothioate), in bench-scale activated sludge (AS) sequencing batch reactors. Sorption kinetics and sorption equilibrium isotherm experiments indicate that sorption to AS biomass was not a statistically important removal mechanism. However, approximately 90% of the initial 4.25 mg L-1 malathion concentration degraded primarily via heterotrophic activity.

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Bridging The Gap: Using The Theory Of Planned Behavior To Predict Hpv Vaccination Intentions In Men, Daniel Snipes Mar 2013

Bridging The Gap: Using The Theory Of Planned Behavior To Predict Hpv Vaccination Intentions In Men, Daniel Snipes

Theses and Dissertations

Genital human papillomavirus (HPV) is the most common sexually transmitted infection (STI) in the US, with an estimated incidence rate of 6.2 million new cases each year. Men have higher instances of certain HPV related outcomes (e.g., head/neck cancers) when compared to women, so male vaccination with the HPV vaccine is also paramount to preventing cancer. The present study examined the theory of planned behavior (TPB) as a model for predicting HPV vaccination intentions among men. Results suggest the TPB was a well-fitting model to the data, but not all aspects of the TPB model were predictive of HPV vaccination …

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Content Analysis Of New Teacher Induction And Mentoring Documents In Five Partnership Districts: Reflections And Acknowledgments Of Complexity, Carol S. Larsen Mar 2013

Content Analysis Of New Teacher Induction And Mentoring Documents In Five Partnership Districts: Reflections And Acknowledgments Of Complexity, Carol S. Larsen

Theses and Dissertations

The purpose of this study is to examine how documents used in new teacher induction and mentoring programs from five different school districts reflect and acknowledge the complexity of the programs of which they are a part. Extensive research has been conducted regarding various aspects of these two programs, often utilizing linear approaches to these programs. Research has called for analysis of the complexity of these programs. New teacher induction and mentoring documents were collected from each of the five districts, resulting in approximately 76 documents total. Documents were categorized into three main groups: mentor documents, mentee documents, and district …

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Modulators Of Symbiotic Outcome In Sinorhizobium Meliloti, Matthew B. Crook Mar 2013

Modulators Of Symbiotic Outcome In Sinorhizobium Meliloti, Matthew B. Crook

Theses and Dissertations

Microorganisms interact frequently with each other and with higher organisms. This contact and communication takes place at the molecular level. Microbial interactions with eukaryotes can be pathogenic or mutualistic. One of the best-studied symbioses is the complex interaction between nitrogen-fixing soil bacteria, termed rhizobia, and legumes. This symbiosis culminates in the elaboration of a new organ, the root nodule. Many of the molecular signals exchanged between the host plant and the invading rhizobia have been deduced, but there is still much that remains to be discovered. The molecular determinant of host range at the genus level of the plant host …

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Test-Retest Reliability Of Speech Recognition Threshold Material In Individuals With A Wide Range Of Hearing Abilities, Karin Leola Caswell Mar 2013

Test-Retest Reliability Of Speech Recognition Threshold Material In Individuals With A Wide Range Of Hearing Abilities, Karin Leola Caswell

Theses and Dissertations

The purpose of this study was to evaluate an updated list of digitally recorded Speech Recognition Threshold (SRT) materials for test-retest reliability. Chipman (2003) identified 33 psychometrically equated spondaic words that are frequently occurring in English today. These digitally recorded words were used to determine the SRT of 40 participants using the American Speech-Language Hearing Association guidelines. The participants were between the ages of 19 and 83 years and presented with hearing impairment ranging from normal to severe. The individual's pure-tone averages classified 16 participants with normal hearing to slight loss, 12 participants with mild loss, and 12 participants with …

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Microfabrication Processes And Advancements In Planar Electrode Ion Traps As Mass Spectrometers, Brett Jacob Hansen Mar 2013

Microfabrication Processes And Advancements In Planar Electrode Ion Traps As Mass Spectrometers, Brett Jacob Hansen

Theses and Dissertations

This dissertation presents advances in the development of planar electrode ion traps. An ion trap is a device that can be used in mass analysis applications. Electrode surfaces create an electric field profile that trap ionized molecules of an analyte. The electric fields can then be manipulated to mass-selectively eject ions out of the trap into a detector. The resulting data can be used to analyze molecular structure and composition of an unknown compound. Conventional ion traps require machined electrode surfaces to form the electric trapping field. This class of electrode presents significant obstacles when attempting to miniaturize ion traps …

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A Trophic State Analysis Of Lakes In Yellowstone National Park, Anthony Alexander Melcher Mar 2013

A Trophic State Analysis Of Lakes In Yellowstone National Park, Anthony Alexander Melcher

Theses and Dissertations

Eutrophication is of interest in the field of water quality. Eutrophic lakes, when used as sources for drinking water, can cause problems during the treatment process, for example algae blooms can clog filters, requiring more water and energy to be used during the cleaning and backwashing of the filters. Excess nutrient loading and eutrophication can also harm fish and aquatic life habitats. Certain species of algae and cyanobacteria can be toxic to humans as well. Since 1998, Dr. A. Woodruff Miller has collected water samples from 46 lakes and ponds in Yellowstone National Park. The Carlson Trophic State Index, the …

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Passive Stiffness Of Coupled Wrist And Forearm Rotations, Will Brandon Drake Mar 2013

Passive Stiffness Of Coupled Wrist And Forearm Rotations, Will Brandon Drake

Theses and Dissertations

The dynamics of wrist rotations are dominated by joint stiffness, which the neuromuscular system must account and compensate for when controlling wrist movements. Because wrist stiffness is anisotropic, movements in some directions require less torque than movements in others, creating opportunities to follow "paths of least resistance." Forearm pronation-supination (PS) can combine with wrist flexion-extension (FE) and radial-ulnar deviation (RUD) to allow the wrist to rotate in directions of least stiffness. Evaluating this hypothesis, and understanding the control of combined wrist and forearm rotations in general, requires a knowledge of the stiffness (the dominant mechanical impedance) encountered during combined wrist …

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Mitochondrial Genetics Of Alzheimer's Disease And Aging, Perry Gene Ridge Mar 2013

Mitochondrial Genetics Of Alzheimer's Disease And Aging, Perry Gene Ridge

Theses and Dissertations

Mitochondria are essential cellular organelles and the location of the electron transport chain, the site of the majority of energy production in the cell. Mitochondria contain their own circular genome approximately 16,000 base pairs in length. The mitochondrial genome (mtDNA) encodes 11 protein-coding genes essential for the electron transport chain, 22 tRNA genes, and two rRNA genes. Mitochondrial malfunction occurs in many diseases, and changes in the mitochondrial genome lead to numerous disorders. Multiple mitochondrial haplotypes and sequence features are associated with Alzheimer's disease. In this dissertation we utilized TreeScanning, an evolutionary-based haplotype approach to identify haplotypes and sequence variation …

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The First Mission Of The Twelve Apostles: 1835, Maclane Elon Heward Mar 2013

The First Mission Of The Twelve Apostles: 1835, Maclane Elon Heward

Theses and Dissertations

The Quorum of the Twelve Apostles for the Church of Jesus Christ of Latter-day Saints is an administrative and ecclesiastical quorum. The Church, first organized in 1830, did not organize the Quorum of Twelve Apostles until 1835. When it was organized, Joseph Smith outlined the quorum's responsibilities through revelation. The Twelve were assigned two unique and specific responsibilities: to take the gospel to the nations of the earth and to form a traveling high council for the regulating of the Church outside of its stakes. The first opportunity for the Twelve to fulfill their responsibilities was in May 1835 when …

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Protein-Surface Interactions With Coarse-Grain Simulation Methods, Shuai Wei Mar 2013

Protein-Surface Interactions With Coarse-Grain Simulation Methods, Shuai Wei

Theses and Dissertations

The interaction of proteins with surfaces is a major process involved in protein microarrays. Understanding protein-surface interactions is key to improving the performance of protein microarrays, but current understanding of the behavior of proteins on surfaces is lacking. Prevailing theories on the subject, which suggest that proteins should be stabilized when tethered to surfaces, do not explain the experimentally observed fact that proteins are often denatured on surfaces. This document outlines several studies done to develop a model which is capable of predicting the stabilization and destabilization of proteins tethered to surfaces. As the start point of the research, part …

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Real Wounds: Navigating Women Past Abuse And Bitterness, Patricia Walker Mar 2013

Real Wounds: Navigating Women Past Abuse And Bitterness, Patricia Walker

Theses and Dissertations

"Real W.O.U.N.D.S.: Navigating Women Past Abuse and Bitterness" identifies how a website could better assist women victims who are coping with the aftermath of domestic abuse and violence in the state of Arkansas. The study focuses around the elements of user-centered design that include: visibility, limitation, accessibility, legibility, and language. Examinations further indicate the website should contain the following basic conventions: page header, persistent navigation, feature area, content area, text links, sidebars, and footer navigation. Accompanying the manuscript is a cassette disc of the website with color changes from what is originally noted in this Thesis.

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The Relationship Between Frequency Of Incest And Relational Outcomes With Family-Of-Origin Characteristics As A Potential Moderating Variable, Kathleen Diane Baxter Mar 2013

The Relationship Between Frequency Of Incest And Relational Outcomes With Family-Of-Origin Characteristics As A Potential Moderating Variable, Kathleen Diane Baxter

Theses and Dissertations

As we examined research on the relational effects of incest on survivors, several researchers noted that some of the negative outcomes may be moderated by certain family characteristic variables. Using RELATE data, we examined a subsample of females and males who reported being survivors of incest in childhood and compared them on key family-of-origin processes such as mother and father's marital satisfaction as well as family violence. We used a path analysis to determine whether family processes, specifically functional parents' marriage and low physical violence, moderate the relationship between incest and marital quality in adulthood. Functional family-of-origin processes significantly moderated …

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The Protective Effect Of Antioxidants On Vitamin A Stability In Nonfat Dry Milk During Thermally Accelerated Storage, Amalie Brown Kurzer Mar 2013

The Protective Effect Of Antioxidants On Vitamin A Stability In Nonfat Dry Milk During Thermally Accelerated Storage, Amalie Brown Kurzer

Theses and Dissertations

Two studies were conducted to determine the relative effect of various combinations of antioxidants on vitamin A oxidation and isomerization in nonfat dry milk (NDM). In the first study, one lot of pasteurized unfortified skim milk was divided, fortified with vitamins A and D and one of 11 antioxidant treatments, and spray dried. A control batch from the same lot was also fortified with vitamins A and D and spray dried. Samples were analyzed for total vitamin A bioactivity after zero, one, and two weeks of storage. After two weeks at 50°C, the only NDM samples that did not experience …

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Habitat Selection And Response To Disturbance By Pygmy Rabbits In Utah, Robert John Edgel Mar 2013

Habitat Selection And Response To Disturbance By Pygmy Rabbits In Utah, Robert John Edgel

Theses and Dissertations

The pygmy rabbit (Brachylagus idahoensis) is a sagebrush (Artemisia sp.) obligate that depends on sagebrush habitats for food and cover throughout its life cycle. Invasive species, frequent fires, overgrazing, conversion of land to agriculture, energy development, and many other factors have contributed to recent declines in both quantity and quality of sagebrush-steppe habitats required by pygmy rabbits. Because of the many threats to these habitats and the believed decline of pygmy rabbit populations, there is a need to further understand habitat requirements for this species and how they respond to disturbance. This study evaluated habitat selection by pygmy rabbits in …

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Renewable Resource-Based Magnetic Nanocomposites For Removal And Recovery Of Phosphorous From Contaminated Waters, Sunil Kumar Ramasahayam Mar 2013

Renewable Resource-Based Magnetic Nanocomposites For Removal And Recovery Of Phosphorous From Contaminated Waters, Sunil Kumar Ramasahayam

Theses and Dissertations

Water pollution by dissolved phosphorous (P) is a serious water related issue being faced by mankind during the past two decades. Several technologies already exist to remove P from contaminated water but each has its own drawbacks. This project provides a novel microwave assisted synthesis of reduced iron oxide containing renewable resource-based media for P removal from contaminated waters. It provides a fast, easy, and economical way to produce reduced iron oxide nanocomposites without requiring the need for hydrogen or inert gas during the transformation. A wide range of other metal/ carbon nanocomposites can also be synthesized using this technology …

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Resorcinarene-Based Cavitands: From Structural Design And Synthesis To Separations Applications, Na Li Mar 2013

Resorcinarene-Based Cavitands: From Structural Design And Synthesis To Separations Applications, Na Li

Theses and Dissertations

Resorcinarenes are cyclic tetramers that are synthesized by the condensation of resorcinol and various aldehydes. The upper and lower rims can be modified with substituents that provide specific selectivity and other chemical features. In this work, resorcinarene-based macrocyclic ligands with specific selectivities have been designed, synthesized and applied to chiral amine discrimination and transition metal ion separations.These resorcinarenes fall into two categories. In the first type, the upper rims of resorcinarenes were modified with amino acid groups, including chiral alanine groups. The lower rims were modified with --CH3, or --C11H23 groups. The structures were studied by nuclear magnetic resonance (NMR), …

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Meta-Analysis Of The Effectiveness Of Biological And Non-Biological Treatments For Postpartum Depression, Sarah Jeung Soon Christian Mar 2013

Meta-Analysis Of The Effectiveness Of Biological And Non-Biological Treatments For Postpartum Depression, Sarah Jeung Soon Christian

Theses and Dissertations

I provided an updated, comprehensive review of treatments for mothers diagnosed with postpartum depression. Studies included in this meta-analysis were single-group pre-posttest, non-randomized and randomized controlled studies published from 1986 to 2010 that included face-to-face psychotherapy and psychopharmacology as well as non-traditional methods such as exercise and nurse-assisted counseling. 53 published studies were analyzed. The randomized studies showed a moderate to large effects (d= 0.72 to 1.25, k= 9) when postpartum interventions were compared to a control condition, and smaller effects (d= 0.3 to 0.57, k = 13) to treatment as usual. When postpartum interventions were compared to each other …

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Evidences For Protein-Protein Interactions Between Pstb And Phou In The Phosphate Signaling Complex Of Escherichia Coli, Kristine Dawn Johns Mar 2013

Evidences For Protein-Protein Interactions Between Pstb And Phou In The Phosphate Signaling Complex Of Escherichia Coli, Kristine Dawn Johns

Theses and Dissertations

The PstSCAB2 complex serves the dual function of being a phosphate transporter as well as the primary sensor of phosphate for the Pho regulon. PhoU is an integral protein required for the signal from PstSCAB2 to be transmitted to PhoR. Our hypothesis is that conformational changes of PstSCAB2 during the phosphate transport process are the mechanism by which information about environmental phosphate levels are transduced to the cell. Additionally, we propose that direct protein-protein interactions between PhoU and the alternating conformations of PstSCAB2 mediate PhoU interactions with PhoR. By means of genetic and biochemical approaches, we have found substantial evidence …

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Rehabilitation Service Utilization Among African American Women Living With Hiv/Aids: Using The Behavioral Model For Vulnerable Populations, Aisha Shamburger-Rousseau Mar 2013

Rehabilitation Service Utilization Among African American Women Living With Hiv/Aids: Using The Behavioral Model For Vulnerable Populations, Aisha Shamburger-Rousseau

Theses and Dissertations

African American women represent one of the largest groups disproportionately living with and affected by HIV/AIDS yet African American women have largely been unrepresented in the federal-state rehabilitation system. As pharmaceutical treatment options improve and individuals with HIV/AIDS are living longer and healthier lives, research exploring the appropriateness of rehabilitation services has increased. Accordingly, it has become more necessary to address the needs of this population. As the largest service provider for people with disabilities, the state-federal rehabilitation system has the potential to be a vital resource for African American women living with HIV/AIDS. The purpose of this study is …

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Uncovering The Molecular Pathways Of Mbd5 In Neurodevelopmental Disorders, Sureni Mullegama Mar 2013

Uncovering The Molecular Pathways Of Mbd5 In Neurodevelopmental Disorders, Sureni Mullegama

Theses and Dissertations

Neurodevelopmental disorders (NDs) are a growing public health concern. These complex disorders cause failure of normal brain development, which leads to intellectual disability (ID) or autism in 3% of children. Accurate diagnosis of NDs is difficult due to complex overlapping phenotypes. Moreover, associations between phenotypically similar NDs and their overlapping molecular mechanisms remain unidentified. The chromosome 2q23.1 region is a newly discovered disease region. We have recently identified a novel ND, 2q23.1 deletion syndrome. The phenotype includes severe ID, significantly delayed speech, behavioral problems, seizures and short stature. This syndrome shares characteristics in common with other genetic syndromes, including Smith-Magenis …

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Baumrind's Authoritative Parenting Style: A Model For Creating Autonomous Writers, Rachel Page Payne Mar 2013

Baumrind's Authoritative Parenting Style: A Model For Creating Autonomous Writers, Rachel Page Payne

Theses and Dissertations

Though Quintilian introduced the term in loco parentis in his Institutio Oratoria by suggesting that teachers think of themselves as parents of a student's mind, composition scholars have let parenting as a metaphor for teaching fall by the wayside in recent discussions of classroom authority. Podis and Podis have recently revived the term, though, and investigated the ways writing teachers enact Lakoff's "Strict Father" and "Nurturing Mother" authority models. Unfortunately, their treatment of these two opposite authority styles reduces classroom authority styles to a mutually exclusive binary of two less than satisfactory options. I propose clinical and developmental psychologist Diana …

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Towards A Consummated Life: Kenneth Burke's Concept Of Consummation As Critical Conversation And Catharsis, Cherise Marie Bacalski Mar 2013

Towards A Consummated Life: Kenneth Burke's Concept Of Consummation As Critical Conversation And Catharsis, Cherise Marie Bacalski

Theses and Dissertations

Consummation was the one term about which Kenneth Burke wasn't particularly long-winded - odd considering his claim that it was the apex of his theory of form. Perhaps Burke never explained exactly what consummation was because he himself was never clear on the subject, as he told John Woodcock in an interview toward the end of his career. Burke began conceptualizing his theory of form early on - in his 20s - and published it in his first critical book, Counter-Statement, in 1931. At that time, Burke's theory of form had already taken one evolutionary step - from self-expression, with …

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70'S "Miscegenation" And Blaxploitation: Fran Ross's Interracial Oreo, And The Super Bad Blaxploitation Hero, Corrine Esther Collins Mar 2013

70'S "Miscegenation" And Blaxploitation: Fran Ross's Interracial Oreo, And The Super Bad Blaxploitation Hero, Corrine Esther Collins

Theses and Dissertations

Fran Ross's only novel, Oreo, explores the nature of multiethnic American identities through an empowered female character that embarks on a Theseus-like journey. Ross devotes significant portions of the novel to the introduction of Oreo's family and individual character, in order to carefully outline her interracial and multiethnic upbringing as an African-Jewish American girl. In order to understand Oreo's political and aesthetic sensibilities, this thesis explores the cinematic representations of interracial relationships during the time that Oreo was written, and argues that Fran Ross's main character is in direct conversation with the predominant 70s black movie and political culture of …

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Microbial Responses To Coarse Woody Debris In Juniperus And Pinus Woodlands, Deborah Monique Rigby Mar 2013

Microbial Responses To Coarse Woody Debris In Juniperus And Pinus Woodlands, Deborah Monique Rigby

Theses and Dissertations

The ecological significance of coarse woody debris (CWD) is usually highlighted in forests where CWD constitutes much of an ecosystem's carbon (C) source and stores. However, a unique addition of CWD is occurring in semi-deserts for which there is no ecological analog. To stem catastrophic wildfires and create firebreaks, whole Juniperus osteosperma (Torr.) and Pinus edulis (Engelm.) trees are being mechanically shredded into CWD fragments and deposited on soils previously exposed to decades of tree-induced changes that encourage "tree islands of fertility." To investigate consequences of CWD on C and nitrogen (N) cycling, we evaluated microbial metabolic activity and N …

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The Influence Of Anthropogenic Development Of Water On Coyotes And Kit Foxes In The Great Basin And Mojave Deserts, Lucas Keith Hall Mar 2013

The Influence Of Anthropogenic Development Of Water On Coyotes And Kit Foxes In The Great Basin And Mojave Deserts, Lucas Keith Hall

Theses and Dissertations

Anthropogenic provisioning of water (water developments) to enhance abundance and distribution of wildlife is a common management practice in arid regions where water is limiting. Despite the long-term and widespread use of water developments, little is known about how they influence distribution, competition dynamics, and behavior of native species. To elucidate the potential influences of water developments on native species, we tested hypotheses concerning the occurrence and behavior of native kit foxes (Vulpes macrotis). First, we tested the indirect effect of water hypothesis (IEWH) which proposes that water developments negatively affect the arid-adapted kit fox by enabling a …

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Application Of Genome Reduction, Next Generation Sequencing, And Kaspar Genotyping In Development, Characterization, And Linkage Mapping Of Single Nucleotide Polymorphisms In The Grain Amaranths And Quinoa, Scott Matthew Smith Mar 2013

Application Of Genome Reduction, Next Generation Sequencing, And Kaspar Genotyping In Development, Characterization, And Linkage Mapping Of Single Nucleotide Polymorphisms In The Grain Amaranths And Quinoa, Scott Matthew Smith

Theses and Dissertations

The grain amaranths (Amaranthus sp.) and quinoa (Chenopodium quinoa Willd.) are important seed crops in South America. These crops have gained international attention in recent years for their nutritional quality and tolerance to abiotic stress. We report the identification and development of functional single nucleotide polymorphism (SNP) assays for both amaranth and quinoa. SNPs were identified using a genome reduction protocol and next generation sequencing. SNP assays are based on KASPar genotyping chemistry and were detected using the Fluidigm dynamic array platform. A diversity screen consisting of 41 amaranth accessions showed that the minor allele frequency (MAF) of the amaranth …

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Youth Drug Use In Turkey: A Test Of The General Strain Theory, Fatih Cipil Mar 2013

Youth Drug Use In Turkey: A Test Of The General Strain Theory, Fatih Cipil

Theses and Dissertations

This study examines the effect of strain on youth drug use in Turkey. With its many unexplored fields, Turkey is a haven for social researchers. Adolescent crime and especially drug use is an important yet poorly studied subject in Turkey. Of the many correlates of youth drug use, strain as asserted by the General Strain Theory of Agnew (1985) is chosen as the main explanatory variable in this research. Using Youth in Europe (YIE) survey data administered to a representative sample of high school students in Istanbul City, correlates of marijuana, LSD, amphetamine and ecstasy use among adolescents are analyzed …

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