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Articles 2941 - 2970 of 8975
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The Effectiveness Of Project-Based Learning Using Digital Storytelling Technology On Improving Second-Grade Students' Performance Of Science Standards, Mariella Dorr
Electronic Theses and Dissertations
The purpose of this study was to find the effectiveness of digital storytelling technology integration through a project-based learning approach using digital stories combined with hands-on guided inquiry science lessons. As a teacher researcher, the focus was on the effectiveness in the performance of second-grade students using higher-order thinking science standards. For a period of ten weeks, the researcher through comparative action research investigated how emergent technology integration improved the performance of two second-grade classrooms implementing three higher-order thinking life science standards. A total of 27 students from two second-grade classrooms volunteered for this research. For the study, a pretest …
Book Of Empire: The Political Bible Of U.S. Literary Modernism, Barry Hudek
Book Of Empire: The Political Bible Of U.S. Literary Modernism, Barry Hudek
Electronic Theses and Dissertations
“Book of Empire” reveals that contrary to what is often suggested by scholars, modernism is not a moment of secularization and declining faith and that the Bible is actually a resource for mounting a radical critique of empire, nation-building, and racial oppression that defies conservative notions supporting those undertakings. For Willa Cather, William Faulkner, and Zora Neale Hurston, the Bible is a source of moral authority they use to challenge the imperialist, colonialist, and nativist projects of the twentieth-century U.S. In rebranding the Bible as politically radical, these writers are not denying the authority of the Bible, but are re-appropriating …
Salient Beliefs And Social Influence On Intentions To Misuse Prescription Opioid Pain Relieving Drugs For Recreational Purposes: An Application Of The Theory Of Planned Behavior, Robert Eugene Davis
Salient Beliefs And Social Influence On Intentions To Misuse Prescription Opioid Pain Relieving Drugs For Recreational Purposes: An Application Of The Theory Of Planned Behavior, Robert Eugene Davis
Electronic Theses and Dissertations
Purpose: The purpose of the proposed study was to evaluate the utility of the Theory of Planned Behavior (TPB) in predicting intentions to use prescription opioid pain relieving drugs for recreational purposes among a sample of college students, while identifying salient beliefs that underlie recreational use in order to inform future intervention efforts among this population. Methodology: A cross-sectional electronic survey design was used to evaluate the direct measures of TPB constructs, salient beliefs, substance use, and individual characteristics of a random sample of university students. Results: Among our sample (N=776) more than 20% reported lifetime use of prescription opioids …
Geospatial Assessment Of Port Infrastructure And Computational Modeling Of Coastal Disasters, William Tucker Stafford
Geospatial Assessment Of Port Infrastructure And Computational Modeling Of Coastal Disasters, William Tucker Stafford
Electronic Theses and Dissertations
The research began with a review of recent natural disasters in the U.S. that shothere was an average of 121 federally declared disasters per year. Ports are critical to every country because they allow for the transport of commodities through that country and even internationally. If a natural disaster were to strike a port that was not properly prepared, the port would not only suffer, but the commodities that transported through there would be affected as well. The major motivation for this thesis was to address the risk of coastal disasters posed to people and critical infrastructure for port cities. …
Improvement And Development Of Analytical Forensic Methods: Arson Investigation And Drug Detection In Fingerprints And Hair, Sarah Anne Glenn
Improvement And Development Of Analytical Forensic Methods: Arson Investigation And Drug Detection In Fingerprints And Hair, Sarah Anne Glenn
Electronic Theses and Dissertations
Forensic science is the cornerstone of criminal investigations. Due to the overexposure of forensic science in the media, the true nature of forensic science is often overlooked. Forensic science is a rigorous exacting science that applies methods developed in the wider scientific community to the analysis of evidence collected from crime scenes. As far back as the 6th century people were using forensics to solve crimes. Since then the science behind forensic science has increased exponentially with new methods being researched and developed. This research aims to address two of the larger subsections of forensic science, arson and drug detection. …
Responses Of The Ocellated Turkey (Meleagris Ocellata) To Human Disturbance, Thomas Hughes Martin
Responses Of The Ocellated Turkey (Meleagris Ocellata) To Human Disturbance, Thomas Hughes Martin
Electronic Theses and Dissertations
Habitat loss and habitat degradation are major drivers of the current biodiversity crisis. Nowhere else are these threats more severe than in the tropics. Because the tropics are estimated to contain as much as 60% of all the species on Earth, they are critically important for the conservation of biodiversity. To conserve species we need to understand both the factors that lead to extinction and how the taxa that persist are able to adapt to the rapid anthropogenic change of their environment. The Ocellated Turkey (Meleagris ocellata) is a Neotropical galliform bird of conservation concern because it faces a rapidly …
An Assessment Of Trace Elements Distribution In Teeth Utilizing A Sample Group From Postclassic Lamanai: The Application Of La-Icp-Ms In Bioarchaeology And Forensics, Michelle Hawkins
Electronic Theses and Dissertations
Trace element analysis of skeletal remains and teeth is a common research technique in biological and forensic anthropology. In particular, LA-ICP-MS has become a widely-accepted tool for analyzing and mapping the distribution of trace elements in teeth. Investigation into the relative spectral intensities and spatial distribution of thirteen trace isotopes (13C, 24Mg, 27Al, 31P, 44Ca, 47Ti, 52Cr, 55Mn, 56Fe, 66Zn, 88Sr, 138Ba, 208Pb) within teeth was undertaken using LA-ICP-MS. The total archaeological sample of teeth (N=26) was comprised of four tooth types (UCI, ULI, UPM1, and UPM2) and 18 individuals from a Postclassic Lamanai site. In preparation for analysis, teeth …
A Major Dna Double Strand Repair Pathway And Cancer-Associated Circulating Proteins Are Effecters Of Epigenetic Revision., Brittany Allen
A Major Dna Double Strand Repair Pathway And Cancer-Associated Circulating Proteins Are Effecters Of Epigenetic Revision., Brittany Allen
Electronic Theses and Dissertations
DNA methylation is a vital epigenetic process that acts as a major control mechanism for gene expression. In addition to its essential role in many normal cellular processes, it is also implicated in a wide variety of disease states and processes including cancer. Along with genetic mutations, aberrant DNA methylation patterns, specifically the inappropriate DNA methylation or demethylation of CpG residues, may activate oncogenes or suppress tumor suppressor genes, respectively. These changes can generate or facilitate the progression of tumorigenesis and tend to accumulate throughout the development of cancer. Although they play such a major role in cancer and in …
Combustion Of 1,3-Butadiene Behind Reflected Shocks, Joseph Lopez
Combustion Of 1,3-Butadiene Behind Reflected Shocks, Joseph Lopez
Electronic Theses and Dissertations
The chemical kinetics of 1,3-butadiene (1,3-C4H6) are important because 1,3-butadiene is a major intermediate during the combustion of real fuels. However, there is only limited information on the chemical kinetics of 1,3-butadiene combustion, which has applications in several combustion schemes that are currently being developed, including spark-assisted homogeneous charge compression ignition and fuel reformate exhaust gas recirculation. In the present work, the ignition delay times of 1,3-butadiene mixtures has been investigated using pressure data. Oxidation of 1,3-butadiene/oxygen mixtures diluted in argon or nitrogen at equivalence ratios (Φ) of 0.3 behind reflected shock waves has been studied at temperatures ranging from …
"Yeah I'M A Girl. I Play Video Games.": Identity Work Of Collegiate Women Gamers, Emily Rosenbaum
"Yeah I'M A Girl. I Play Video Games.": Identity Work Of Collegiate Women Gamers, Emily Rosenbaum
Electronic Theses and Dissertations
Despite accounting for almost half of the game playing population, women gamers are an underrepresented and excluded group within the gaming culture, both in regards to the advertising and production of video games. Prior research suggests that male gamers exclude women from gaming activities, question their legitimacy within the community, and create hostile environments for women both virtually in-game and in physical gaming spaces. As such, women gamers can be understood to hold a marginalized status with the gaming community. The current study looks to examine how women define themselves as "gamers" while negotiating this marginalized status. By adopting an …
Computational Fluid Dynamics Study Of Thromboembolism As A Function Of Shunt Size And Placement In The Hybrid Norwood Palliative Treatment Of Hypoplastic Left Heart Syndrome, John Seligson
Electronic Theses and Dissertations
The Hybrid Norwood procedure has emerged as a promising alternative palliative first stage treatment for infants with Hypoplastic Left Heart Syndrome (HLHS). The procedure is done to provide necessary blood flow to the pulmonary and systemic regions of the body. The procedure can affect hemodynamic conditions to be pro-thrombotic, and thrombus particles can form and release from the vessel walls and enter the flow. Assuming these particles are formed and released from the shunt surface, a Computational Fluid Dynamics (CFD) model can be used to mimic the patient's vasculature geometry and predict the occurrence of embolization to the carotid or …
Advanced Castes At The Outset Of Eusociality In Wasps (Vespidae), Patrick Piekarski
Advanced Castes At The Outset Of Eusociality In Wasps (Vespidae), Patrick Piekarski
Electronic Theses and Dissertations
A dominating and widespread view is that evolutionary change is gradual and waits upon mutation. Likewise, it is thought that workers and queens of eusocial insects diverged gradually and stepwise. That is, rudimentary castes preceded advanced castes. This paradigm hinges on eusociality having evolved once in Vespidae, and primitively eusocial paper wasps lacking ontogenetic caste biasing (differentiation of castes during larval development). Using a phylogenomic approach this study shows strong evidence for two origins of eusociality in vespid wasps, wherein one origin is likely characterized by the sudden appearance of castes with physiological, and perhaps even morphological, differences established before …
Exploring The Multi-Touch Interaction Design Space For 3d Virtual Objects To Support Procedural Training Tasks, Sarah Holderness
Exploring The Multi-Touch Interaction Design Space For 3d Virtual Objects To Support Procedural Training Tasks, Sarah Holderness
Electronic Theses and Dissertations
Multi-touch interaction has the potential to be an important input method for realistic training in 3D environments. However, multi-touch interaction has not been explored much in 3D tasks, especially when trying to leverage realistic, real-world interaction paradigms. A systematic inquiry into what realistic gestures look like for 3D environments is required to understand how users translate real-world motions to multi-touch motions. Once those gestures are defined, it is important to see how we can leverage those gestures to enhance training tasks. In order to explore the interaction design space for 3D virtual objects, we began by conducting our first study …
Effects Of An Acute High-Volume Isokinetic Intervention On Inflammatory And Strength Changes: Influence Of Age, Joseph Gordon
Effects Of An Acute High-Volume Isokinetic Intervention On Inflammatory And Strength Changes: Influence Of Age, Joseph Gordon
Electronic Theses and Dissertations
PURPOSE: The purpose of this study was to compare the effects of a high volume isokinetic intervention on lower body strength and inflammation, as well as markers of muscle damage in the subsequent 48 hours between younger and middle-aged men. METHODS: 19 healthy, recreationally trained men were randomly assigned to two groups, younger adults (YA: 21.8 ± 2.0 y; 90.7 ± 11.6 kg; 21.5 ± 4.1 % body fat), or middle-aged adults (MA: 47.0 ± 4.4 y; 96.0 ± 21.5; 24.8 ± 6.3 % body fat). Both groups reported to the human performance laboratory (HPL) on four separate occasions. On …
Beyond Compliance: Examining The Role Of Motivation In Vigilance Performance, Alexis Neigel
Beyond Compliance: Examining The Role Of Motivation In Vigilance Performance, Alexis Neigel
Electronic Theses and Dissertations
Vigilance, or sustained attention, is the capacity to attend to information for a prolonged period of time (Davies & Parasuraman, 1982; Jerison, 1970; Warm, 1977). Due to limitations of the human nervous system, as well as the environmental context, attention can begin to wane over time. This results in a phenomenon referred to as the vigilance decrement, or a decline in vigilance performance as a function of time. The vigilance decrement can manifest as poorer attention and is thusly associated with poor performance, which is defined behaviorally as more lapses in the detection of critical signals and an increase in …
Code Park: A New 3d Code Visualization Tool And Ide, Pooya Khaloo
Code Park: A New 3d Code Visualization Tool And Ide, Pooya Khaloo
Electronic Theses and Dissertations
We introduce Code Park, a novel tool for visualizing codebases in a 3D game-like environment. Code Park aims to improve a programmer's understanding of an existing codebase in a manner that is both engaging and fun to be appealing especially for novice users such as students. It achieves these goals by laying out the codebase in a 3D park-like environment. Each class in the codebase is represented as a 3D room-like structure. Constituent parts of the class (variable, member functions, etc.) are laid out on the walls, resembling a syntax-aware "wallpaper". The users can interact with the codebase using an …
An Analysis Of Robot-Assisted Social-Communication Instruction For Young Children With Autism Spectrum Disorders, Claire Donehower
An Analysis Of Robot-Assisted Social-Communication Instruction For Young Children With Autism Spectrum Disorders, Claire Donehower
Electronic Theses and Dissertations
Social and communication deficits are a core feature of Autism Spectrum Disorders (ASD) and impact an individual's ability to be a full participant in their school environment and community. The increase in number of students with ASD in schools combined with the use of ineffective interventions have created a critical need for quality social-communication instruction in schools for this population. Technology-based interventions, like robots, have the potential to greatly impact students with disabilities, including students with ASD who tend to show increased interest and engagement in technology-based tasks and materials. While research on the use of robots with these learners …
Images Of Nostalgia: An Exploration Of The Creation Of Recollection Through Visual Media, Allyson Dickerson
Images Of Nostalgia: An Exploration Of The Creation Of Recollection Through Visual Media, Allyson Dickerson
Electronic Theses and Dissertations
I create innovative artistic works in which the experiential consciousness of the viewer drifts between objects, images, and the auditory narrative. The work approaches the visualization of memory and the catharsis of the loss felt from death. The projection of light onto lifeless entomological specimens mimics the projection of memory as a means to return to what has been lost. The digital copy of the specimen flickers across their bodies as a tribute to the movement that once possessed them. A List of Things that Quicken the Heart is a body of multimedia installation and single channel work that has …
An Sos Conceptual Model, Lvc Simulation Framework, And A Prototypical Implementation Of Unmanned System Interventions For Nuclear Power Plant Disaster Preparedness, Response, And Mitigation, Matthew Davis
Electronic Theses and Dissertations
Nuclear power plant disasters can have severe and far-reaching consequences, thus emergency managers and first responders from utility owners to the DoD must be prepared to respond to and mitigate effects protecting the public and environment from further damage. Rapidly emerging unmanned systems promise significant improvement in response and mitigation of nuclear disasters. Models and simulations (M&S) may play a significant role in improving readiness and reducing risks through its use in planning, analysis, preparation training, and mitigation rehearsal for a wide spectrum of derivate scenarios. Legacy nuclear reactor M&S lack interoperability between themselves and avatar or agent-based simulations of …
Design And Production Of An Episodic Online Animation: Cairns Of Apeiron, Andrew Cadieux
Design And Production Of An Episodic Online Animation: Cairns Of Apeiron, Andrew Cadieux
Electronic Theses and Dissertations
This paper describes the development of a feature length script and an independent episodic animation to be distributed online. The goal is to show that appealing animation can be achieved using digital tools, a limited animation workflow, few artists and a strict micro-production budget. I will detail the methods of animation used for the project and describe plans for its distribution to an online audience, including a market analysis and business plan.
University Students' Citizenship Shaped By Service-Learning, Community Service, And Peer-To-Peer Civic Discussions, Haley Winston
University Students' Citizenship Shaped By Service-Learning, Community Service, And Peer-To-Peer Civic Discussions, Haley Winston
Electronic Theses and Dissertations
Citizenship is often referred to as the forgotten outcome of colleges and universities. The present study examined the relationship between undergraduate students' perceived citizenship level and different types of civic experiences (service-learning, community service, and peer-to-peer civic discussions) and also different demographic factors (gender, race/ethnicity, and parental level of education) at a public institution using the Personal and Social Responsibility Inventory. This study used structural equation modeling and multiple regression analysis. This marks the first time these variables have been researched together. This study found a significant correlation between both community service and peer-to-peer civic discussions in relation to citizenship …
Consequences Of Altered Short-Chain Carbon Metabolism In Heart Failure, Julie Horton
Consequences Of Altered Short-Chain Carbon Metabolism In Heart Failure, Julie Horton
Electronic Theses and Dissertations
Cardiovascular disease is currently the foremost cause of death within the United States. Heart failure (HF) is a syndrome defined by the inability of the heart to adequately execute requisite pump function in order to deliver nutrients and oxygen to peripheral tissues, irrespective of etiology. One of the most common causes of HF is chronic pressure overload due to hypertension. Ischemic heart disease is also a common driver of HF, often in conjunction with hypertension. Pressure overload initially causes compensatory metabolic changes. Structural changes follow shortly thereafter typically resulting in left ventricular hypertrophy. Eventually, the heart loses the ability to …
Go With The Flow: Patterns Of Connectivity In Low Dispersal Coral Reef Gobies (Coryphopterus Spp.) Throughout The Western Atlantic, Daniel Volk
Electronic Theses and Dissertations
Gene flow is an integral biological process that can mediate speciation. While many consider the ocean to be an open environment, there are many barriers that limit gene flow, particularly in the western Atlantic. I analyzed data from two widespread, coral reef fishes, the bridled goby (Coryphopterus glaucofraenum) and sand-canyon goby (C. venezuelae), throughout their range in the western Atlantic. Using two genetic datasets, mitochondrial DNA (mtDNA) and genomic SNPs, I investigated the evolutionary history of these species and inferred the location and strength of putative barriers. My results suggest that several unique lineages have genetically diverged from one another …
The Paths Less Traveled: Movement Of Gopher Tortoises Along Roads And Railways, Rhett Rautsaw
The Paths Less Traveled: Movement Of Gopher Tortoises Along Roads And Railways, Rhett Rautsaw
Electronic Theses and Dissertations
Urbanization and an expanding human population have led to a large degree of habitat destruction and fragmentation. These, in turn, reduce biodiversity and wildlife population sizes on a global scale. Transportation infrastructure, such as roads and railways, are some of the largest contributors to habitat fragmentation. Roads are well-established to negatively impact wildlife, but some studies suggest a potential use in habitat connectivity by functioning as wildlife corridors to connect distant populations. Railways are similarly known to impact wildlife by increasing mortality rates as well as provide unique risks such as electrocution and entrapment when compared to roads. However, the …
A Preliminary Assessment Of Steroid Reproductive Hormones In Archaeological Human Hair Utilizing A Modified Enzyme-Linked Immunosorbent Assay (Elisa) Technique, Elisha Tisdale
Electronic Theses and Dissertations
Hair has become an invaluable resource in forensic, clinical, and bioarchaeological research. The unique interaction between the growing hair fiber, the hair follicle, and the endocrine system inundates the growing hair fiber with an incremental record of many of the discreet physiological processes of the body. Recently, a novel study by Webb et al. (2010) demonstrated that endogenous records of cortisol, the "stress hormone", are capable of being extracted from archaeological human hair through a modified enzyme-linked immunosorbent assay (ELISA) technique, thus providing insight into the "invisible" stress experiences of an individual that would otherwise not be detectable through skeletal …
Chaperonin Containing Tcp1 (Cct) As A Target For Cancer Therapy, Ana Carr
Chaperonin Containing Tcp1 (Cct) As A Target For Cancer Therapy, Ana Carr
Electronic Theses and Dissertations
Treatments for aggressive cancers like triple negative breast cancer (TNBC) and small-cell lung cancer (SCLC) have not improved and remain associated with debilitating side effects. There is an unmet medical need for better, druggable targets and improved therapeutics. To this end, we investigated the role of Chaperonin-Containing TCP1 (CCT), an evolutionarily conserved protein-folding complex composed of eight subunits (CCT1-8), in oncogenesis. Our laboratory was the first to report that the CCT2 subunit is highly expressed in breast cancer and could be therapeutically targeted. To determine whether CCT is a marker of disease progression in other cancers, we analyzed CCT2 gene …
Novel Cytokine Signaling And Molecular Therapeutic Strategy In Pancreatic Cancer, Sarah Gitto
Novel Cytokine Signaling And Molecular Therapeutic Strategy In Pancreatic Cancer, Sarah Gitto
Electronic Theses and Dissertations
Pancreatic ductal adenocarcinoma (PDAC) is highly chemo-resistant and has a five year survival rate of < 8%. Risk factors of pancreatic cancer, such as chronic pancreatitis, help to elicit a pro-tumor immune response, and highly fibrotic environment that promotes tumorigenesis. To study how chronic pancreatitis promotes cancer initiation, traditional KRasG12D mice and double mutant Akt1Myr/KrasG12D mice were used to model microenvironment changes. Akt1Myr/KrasG12D mice were more susceptible to chronic tissue damage, accelerated tumor development and metastatic disease. These mice exhibited histological changes consistent with immune cell privilege, where M2 macrophages and non-cytotoxic eosinophils were co-localized with fibrotic regions. IL-5 expression was up regulated in pancreatic cells undergoing acinar to ductal metaplasia and then diminished in advanced lesions. Tumor cells treated with IL-5 exhibit increased migration and activation through STAT5 signaling. Collectively, the results suggest that eosinophils, which are responsive to IL-5, are key mediators in the pancreatic environment subjected to chronic inflammation and injury. Current therapeutics fall short in increasing patient survival. There remains an urgent need for innovative treatments and thus we tested difluoromethylornithine (DFMO) in combination with a novel polyamine transport inhibitor, Trimer44NMe, against Gemcitabine-resistant PDAC cells. Prior clinical failures when targeting polyamine biosynthesis with DFMO monotherapy may be due to tumor escape via an undefined polyamine transport system. In pancreatic tumor cells DFMO alone and with Trimer44NMe significantly reduced PDAC cell viability by inducing apoptosis or cell cycle arrest. In vivo orthotopic PDAC growth with DFMO treatment resulted in decreased c-Myc expression, a readout of polyamine pathway dysfunction. Moreover, dual inhibition significantly prolonged survival of tumor-bearing mice, and increased M1 macrophage infiltration and reduced FoxP3 expression. Collectively, these studies demonstrate that targeting polyamine pathways in PDAC is a promising immunomodulating therapy that increases survival.
Shapeshifting And Sexuality: A Critical Autoethnography Of A Selkie, Sophie Jones
Shapeshifting And Sexuality: A Critical Autoethnography Of A Selkie, Sophie Jones
Electronic Theses and Dissertations
Shapeshifting lore has provided a rich and evocative way to explore human experiences across many different cultures. This author utilizes the mythology of selkies to unpack the perspective of a white queer woman who is dealing with issues of racial privilege, heteronormativity, and patriarchal oppression. Utilizing performative writing and autoethnographic method, the author creates an argument for the integration of intersectional practices within the work of queer theorists, as well as for resistance against assimilation.
Biological Nutrient Removal (Bnr) Process Optimization And Recovery Of Embedded Energy Using Biodiesel By-Product, Sultan Salamah
Biological Nutrient Removal (Bnr) Process Optimization And Recovery Of Embedded Energy Using Biodiesel By-Product, Sultan Salamah
Electronic Theses and Dissertations
Enhanced biological phosphorus removal (EBPR) as well as biological nitrogen removal require a carbon source to be carried out. Volatile fatty acid (VFAs) (mainly acetic and propionic acids) are the major driving force for EBPR. Many domestic wastewaters have an insufficient amount of VFAs. However, carbon sources such as acetic and propionic acids can be produced using primary solids fermentation process. Due to the cost of VFA production, an external carbon source can be added to the biological nutrient removal (BNR) system that can be fermented to provide the desired VFAs. Glycerol (biodiesel by-product) offers a solution to reduce carbon …
Design Of A Framework For Sharing And Generating Combat Damage Assessment(Cda) Of A Hla/Rti Federation, Hongseon Park
Design Of A Framework For Sharing And Generating Combat Damage Assessment(Cda) Of A Hla/Rti Federation, Hongseon Park
Electronic Theses and Dissertations
In this paper, a new framework for sharing Combat Damage Assessment(CDA) is proposed to find out the differences of each CDA system between military combat units belonging to their own federate in a HLA/RTI federation. When there are engagements in a battle among combat units belonging to their own federate in the HLA/RTI federation, each result of damage assessments is very different. This affects the HLA/RTI federation’s confidence and needed to be overcome because it is also one of the major issues to generate reliable engagement data. Also, a RTI can generate only qualitative data about combat damage while quantitative …