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Articles 271 - 300 of 10251
Full-Text Articles in Entire DC Network
Geochemical Characterization And Predictive Soil Mapping Of Ice-Free Regions In Antarctica, Rachel Willmore
Geochemical Characterization And Predictive Soil Mapping Of Ice-Free Regions In Antarctica, Rachel Willmore
Theses and Dissertations
Antarctic soils are formed by extreme climate, minimal biological activity, and diverse geological settings. This study analyzes 201 soil samples across four ice-free Antarctic Conservation Biogeographic Regions - North-west Antarctic Peninsula, Transantarctic Mountains, South Victoria Land, and North Victoria Land - to create a geochemical database (pH, EC, CEC, C and N, and ion concentrations) as well as to determine if there are consistent trends between geochemical properties and soil forming factors (SCORPAN). Despite variation in geochemical properties and SCORPAN covariates, some consistent trends emerged across all regions and individual Antarctic Conservation Biogeographic Regions. Using SCORPAN covariates and multiple linear …
Taking A Bite Out Of Shark Week: Discovery's Csa And Csr Messages, Kari Mortenson
Taking A Bite Out Of Shark Week: Discovery's Csa And Csr Messages, Kari Mortenson
Theses and Dissertations
The present study looks at how companies use corporate social responsibility (CSR) and corporate social accountability (CSA) messages differently. This study uses Discovery Channels Shark Week as an example by utilizing a grounded deductive analysis of Discovery's X, formerly known as Twitter, posts from 2015-2020. This timeline was chosen thanks to Discovery partnering with the non-profit organization Oceana in 2010 to create more informed and conservation minded content. The posts on Discovery's X account during each Shark Week from 2015-2020 were examined. Each were coded for themes, Other, CSA, or CSR, and additional frames for those themes. The frames gathered …
The Influence Of Heat Therapy On Redox Signaling In Skeletal Muscle, Kimberly Miriam Richard
The Influence Of Heat Therapy On Redox Signaling In Skeletal Muscle, Kimberly Miriam Richard
Theses and Dissertations
Reactive oxygen species (ROS) have been identified as crucial signaling molecules in skeletal muscle adaptations to exercise and signal for protective pathways within the myofiber. Pathological heat stress studies in animals demonstrate the ability of heat to increase ROS production in skeletal muscle. Limited data on the influence of therapeutic heat on ROS production and redox signaling in human skeletal muscle exists in the literature. The purpose of this study was to assess ROS production and redox signaling in human skeletal muscle following an acute, therapeutic bout of heat treatment. We hypothesized that heat would create an oxidized environment within …
Performance Prediction For Hub-Based Swarms, Puneet Jain
Performance Prediction For Hub-Based Swarms, Puneet Jain
Theses and Dissertations
Optimization problems lie at the core of improving performance in various tasks, ranging from day-to-day work scheduling to coordinating robots in a warehouse fulfillment center. Distributed swarm systems provide a robust and adaptive solution approach to many optimization problems. Instead of using one really sophisticated agent, multiple smaller less sophisticated agents can provide the flexibility to evaluate more options and still provide a "good" answer. This dissertation uses graphs to model, analyze, and simulate swarm behavior, primarily to predict the time-to-converge (TTC) and success probability. First, we use a bipartite model for the distributed best-of-N problem, and show how the …
A Comparison Of Rfssw And Rsw For Automotive Manufacturing, Damon Michael Gale
A Comparison Of Rfssw And Rsw For Automotive Manufacturing, Damon Michael Gale
Theses and Dissertations
Historically, automotive body panels have been made of steel and joined by a process called resistance spot welding (RSW). However, in efforts to reduce vehicle weight to improve the energy efficiency of the vehicle, automotive manufactures have begun substituting aluminum in place of steel. While aluminum can be joined with RSW, a myriad of challenges arise from doing so. These challenges result in less consistent weld quality and accelerated electrode wear. Refill friction stir spot welding (RFSSW) is an emerging joining technology that could replace RSW as it is believed to be capable of creating superior joints in thin sheet …
Detecting Multiple Paternity In Mule Deer Using Kinship Values, Madeline K. Martin, Brock Mcmillan, Paul Frandsen, Sydney Lamb, Randy Larsen
Detecting Multiple Paternity In Mule Deer Using Kinship Values, Madeline K. Martin, Brock Mcmillan, Paul Frandsen, Sydney Lamb, Randy Larsen
Undergraduate Honors Theses
Multiple paternity is an ecological phenomenon that plays an important role in reproductive dynamics and population genetics; the presence and rate of multiple paternity can shed light on reproductive behavior and the potential genetic effects of human management. Previous methods have estimated multiple paternity using genetic markers such as microsatellites, and require DNA from both parents and their offspring. However, evolving genomic technology promotes use of alternative genomic methods and acquiring paternal DNA from free-ranging animals is often difficult or impossible. We propose kinship values derived from single-nucleotide polymorphisms (SNPs) as a tool to predict multiple paternity. Calculating kinship values …
Effects Of Microbial Lipases On Parmesan And Feta Cheese Flavor Profiles, Erin N. Caswell
Effects Of Microbial Lipases On Parmesan And Feta Cheese Flavor Profiles, Erin N. Caswell
Theses and Dissertations
Lipolysis is crucial for cheese flavor development, as lipolytic enzymes convert fats into free fatty acids that enhance flavor. While Kid/Goat (KG) lipases are traditionally used in cheese production, microbial lipases like M. javanicus (MJ) and C. cylindracea (CC) provide vegetarian, cost-effective alternatives. This study compares the flavor, texture, and composition of Feta and Parmesan cheeses made with microbial lipases as a replacement for traditional lipase. Conventional cheese making techniques were used to make experimental batches of Feta and Parmesan cheeses using a standard KG lipase and two experimental lipases, CC and MJ, and comparing all three against a control …
Automate To Create: Simplifying Workflows In Small Film Productions, Adam Bonny
Automate To Create: Simplifying Workflows In Small Film Productions, Adam Bonny
Undergraduate Honors Theses
This thesis aims to provide guidance for film students and small in- dependent productions on streamlining their film productions, with a particular focus on simplifying the postproduction workflow. While there’s a significant written component to this thesis, it remains classified as a ‘creative project’ and thus may not look like traditional scholarly research of media arts in some as- pects, mainly by focusing on the technical considerations of filmmaking rather than critical study and media theory. It is split into two parts. First, it will detail the research and the decision-making behind the creation of a Notion template aimed at …
Sulfhydryl-Containing Compounds And Iron Homeostasis: Mechanisms Of Labile Iron Pool Dysregulation And Consequences For Cellular Health, Steven Lowell Mann Christiansen
Sulfhydryl-Containing Compounds And Iron Homeostasis: Mechanisms Of Labile Iron Pool Dysregulation And Consequences For Cellular Health, Steven Lowell Mann Christiansen
Theses and Dissertations
While iron's unique coordination chemistry and redox activity have resulted in its broad incorporation into biological systems, dysfunction in key iron-regulating mechanisms can transform these biochemical advantages into factors that contribute to several pathological conditions. This dissertation explores the complex interactions between iron and sulfhydryl-containing compounds (SCCs), with particular focus on glutathione's (GSH) role in stabilizing iron reactivity juxtaposed with homocysteine's (Hcy) ability to disrupt iron homeostasis and promote disease progression. Through rigorous biochemical analysis and experimentation, we demonstrate that Hcy disrupts iron regulation through several mechanisms: (1) Hcy competitively displaces protective iron-binding molecules in the Labile Iron Pool (LIP), …
The Learner's Experience Using Augmented Reality, Michael Lionel Atkinson
The Learner's Experience Using Augmented Reality, Michael Lionel Atkinson
Theses and Dissertations
Augmented reality (AR) is a promising learning tool that has the potential to improve learning experiences in unique ways. While AR has been extensively studied in terms of learning outcomes, relatively little has been researched about the qualitative aspect of the learner experience and how that may inform better instruction. This multi-article, journal-ready dissertation addresses this gap. The first article is a review of the literature on what researchers have learned about AR in learning, systematically identifying six areas that appear salient yet underrepresented in the literature. The second article expands further upon this theme by conducting a qualitative study …
Cellular Air Quality Sensors With Lora Backchannel A Robust Sensor Suited For Remote Deployment In Harsh Environments, Joseph R. Miera
Cellular Air Quality Sensors With Lora Backchannel A Robust Sensor Suited For Remote Deployment In Harsh Environments, Joseph R. Miera
Theses and Dissertations
Air quality significantly impacts health and overall quality of life, making its measurement essential. However, most affordable air quality devices are designed only for use within WiFi range and cannot handle extreme temperatures, limiting their usefulness for people in remote or extreme environments, such as regions with harsh winter climates. This limitation is concerning, as winter often brings worse air quality due to temperature inversions that trap pollutants and increase fuel burning for heating. Inversion is a problem as close to home as Utah Valley, and as far away as Ulaanbaatar, Mongolia. Most low-cost air quality sensors are not built …
The Impacts Of Co-Occurring Developmental Language Disorder On The Academic, Interpersonal, And Behavioral Profiles Of Children With Adhd, Kirsten M. Hannig Russell, Sean M. Redmond
The Impacts Of Co-Occurring Developmental Language Disorder On The Academic, Interpersonal, And Behavioral Profiles Of Children With Adhd, Kirsten M. Hannig Russell, Sean M. Redmond
Faculty Publications
Purpose: Attention-deficit/hyperactivity disorder (ADHD) is a multifactorial disorder that has been linked to increased risk for behavioral, academic, and interpersonal problems. Developmental language disorder (DLD) has also been linked to poor outcomes in these areas. The presence of co-occurring disorders in children’s profiles is generally associated with poorer outcomes relative to profiles consisting of only one disorder. This study investigated the extent to which co-occurring DLD in children already identified with ADHD presented increased risk for severity of their primary ADHD symptoms, the presence of secondary behavioral problems, and/or increased problems in the tertiary areas of academic performance and interpersonal …
Making Video Feedback For The First Time: A Case Study, Dan Martin
Making Video Feedback For The First Time: A Case Study, Dan Martin
Journal of Response to Writing
This paper examines some of the labor three professors from three different disciplines needed to exert to produce effective VF on student writing for the first time. The research on VF demonstrates that students want more video comments but the labor to learn how to make VF has not been fully identified. I completed a case study with three professors to collect data. I interviewed the professors at the beginning, middle, and end of the study. After transcribing and coding the interviews, I identified where the professors exerted a significant amount of labor to make VF for the first time. …
Soil Biogeography And Community Assembly In Polar Regions, Jesse Jorna
Soil Biogeography And Community Assembly In Polar Regions, Jesse Jorna
Theses and Dissertations
The polar regions provide community ecologists with natural microcosms, that include reduced species diversity, steep environmental gradients and limited human perturbance. Soil biodiversity in the polar regions is poorly understood, and the driving forces behind community compositions can range in scale from glacial forces 20,000 years ago to the impact of a researcher's footstep. Here, we present the results of an investigation of the driving factors behind biodiversity in Arctic and Antarctic soils, with specific attention to the role of community assembly processes. We suggest a framework for investigating the effects of inter-bacterial community processes like facilitation and argue for …
Enhancing Muscle Health And Modulating Immune Response With Galectin-1 In Lgmd2b/R2 Models, Stefannia Esparza Pulido
Enhancing Muscle Health And Modulating Immune Response With Galectin-1 In Lgmd2b/R2 Models, Stefannia Esparza Pulido
Theses and Dissertations
Limb-Girdle Muscular Dystrophy Type 2B/R2 (LGMD2B/R2) is a type of dysferlinopathy, a progressive muscle-wasting disorder caused by mutations in the dysferlin gene. Hallmarks of the disease include chronic inflammation, impaired muscle regeneration, and eventual muscle degeneration. Currently, no FDA-approved therapies are available for dysferlinopathies. Recombinant human Galectin-1 (rHsGal-1) has shown multiple roles in maintaining skeletal muscle homeostasis, promoting muscle repair, enhancing myogenesis, and modulating inflammation by downregulating the NF-κB pathway. The ability of rHsGal-1 to modulate the immune response is particularly promising for therapeutic applications in patients with LGMD2B/R2. In this study, we evaluated the effects of rHsGal-1 in a …
Barbie, Taylor Michelle Gale
Barbie, Taylor Michelle Gale
Theses and Dissertations
The stereotypes placed over men and women throughout various forms of media, including film and TV, song, printed media, and even through objects like toys, have a large impact on society as a whole. Kumari and Joshi (2015) explain that media plays an important role in sharing information concerning what deems to be the fabric of contemporary culture, which can aid in changing, or perpetuating long standing societal norms. This study identifies how Greta Gerwig's Barbie (2023) approaches the themes of the portrayal of women in the media through the Barbie film, examining themes such as objectification, self-objectification, and the …
Rare Sugars And Dairy Ingredients: A Synergistic Pairing For The Reduction Of Food Waste And Sugar Consumption, Melinda Michelle Moss
Rare Sugars And Dairy Ingredients: A Synergistic Pairing For The Reduction Of Food Waste And Sugar Consumption, Melinda Michelle Moss
Theses and Dissertations
In the future, sustainability in the dairy industry will require creative and scale-able solutions for better utilization of the primary solid component in milk: lactose. One promising avenue of “up-cycling” underutilized lactose is converting it to valuable rare sugars. Rare sugars like D-tagatose and D-allulose are increasing in popularity extremely quickly. D-tagatose and D-allulose are hexose sugars, D-allulose being an epimer of D-fructose and D-tagatose an isomer of D-galactose. They have excellent functional properties in food systems with clean sweetness profiles similar to sucrose. Critically, they also have excellent nutritional characteristics, such as low caloric values and low glycemic indices. …
Biodegradable Polymeric Microspheres For Magnetically Guided Drug Delivery To Tumors, Tyler Payson Green
Biodegradable Polymeric Microspheres For Magnetically Guided Drug Delivery To Tumors, Tyler Payson Green
Theses and Dissertations
This thesis investigates the feasibility of utilizing biodegradable polymeric microspheres loaded with the anticancer drug 5-fluorouracil (5FU) and superparamagnetic iron oxide nanoparticles (SPIONs) to magnetically deliver the cancer therapeutic 5FU to a target tumor in the human body. The primary method of material loading consisted of a w/o/w double emulsion mechanism which 1) loads and protects 5FU in the inner water phase consisting of distilled water and polyvinyl alcohol (PVA), 2) dispersed SPIONs in the biodegradable polymeric organic phase consisting of methylene chloride (MeCl2) for eventual magnetic transport, and 3) suspended these w/o emulsion droplets in an outer aqueous phase …
The Race To Embrace Zoom, Olivia Moore
The Race To Embrace Zoom, Olivia Moore
Marriott Student Review
There was a 2,900% increase in Zoom meeting participants at the beginning of the COVID-19 pandemic. Even though employees have started to head back into the office, Zoom has retained these participants and continues to grow. The retention of Zoom, along with other video-conferencing platforms, for over 18 months suggests that it was not just a tool for the pandemic. If employees are going to be using Zoom for an extended period of time, they will become familiar with the platform.
Exceptional Experiences Equal Content Customers, Brenna Black
Exceptional Experiences Equal Content Customers, Brenna Black
Marriott Student Review
Would you rather spend money on a designer bag or on a trip to Hawaii? According to University of Texas marketing and psychology professor Amit Kumar, “People derive more satisfaction from experiential purchases than material purchases.” Experiences carry meaning. In today’s society, people are willing to pay a significant amount of money to have a better experience. Customers are no longer satisfied with simply receiving a product or service; the process involved in receiving a product or service matters more than ever.
More Than A Cashier: Making Space For Neurodivergent Individuals In The Workplace, Abby Ebert
More Than A Cashier: Making Space For Neurodivergent Individuals In The Workplace, Abby Ebert
Marriott Student Review
Most people know someone – a friend, a sibling, a schoolmate, or otherwise – who has autism, down-syndrome, Asperger’s, or is otherwise on the spectrum. These individuals likely function mostly normal, but have an especially hard time in social situations coming off as awkward, uncomfortable, or nervous. Thinking of a friend of yours in this situation, what future do you see for them? Knowing them as individuals had you thinking of cool careers that would fit their personality – an engineer, programmer, or lawyer. However, people belonging to this demographic find themselves unemployed or in low entry-level positions, such as …
King Lear'S "Poor, Bare, Forked Animal" And The Cross, Paul J. Stapleton
King Lear'S "Poor, Bare, Forked Animal" And The Cross, Paul J. Stapleton
Quidditas
In William Shakespeare’s tragedy, King Lear describes the “unaccommodated man” as a “poor, bare, forked animal.” Lear’s comments are ostensibly about Edgar disguised as Poor Tom, but critics have detected in the passage a more general expression about human nature. The term “forked” is regularly glossed as “two-legged,” but there are philological problems with this reading. This paper, therefore, takes into consideration an alternate meaning for “forked” based on sixteenth-century usages that relate the noun “fork” to instruments of torture. The paper discusses the depiction of the cross as a “fork” (Latin – furca) in the antiquarian Justus Lipsius’s …
Mobility In The Middle Ages - Literary Evidence As A Mental Map For Travel Imaginations: A Critical Reconsideration Of Modern Myths About The Past, Albrecht Classen
Mobility In The Middle Ages - Literary Evidence As A Mental Map For Travel Imaginations: A Critical Reconsideration Of Modern Myths About The Past, Albrecht Classen
Quidditas
Literary fantasy has often served as a meaningful reflection of historical, material, or political developments, and events. This also applies to many works from the European Middle Ages. While popular opinion continues to assume that most medieval people were home-bound, the very opposite can almost be claimed, especially for the late Middle Ages. After the Crusades, the stream of pilgrims to the Holy Land grew tremendously, but many other people were on the roads as well, whether for economic, religious, or political reasons. Constructive contacts between West and East only developed in the course in time, but the basic foundations …
Medieval Hypebeast: The Conspicuous Consumption Of Joan I Of Aragon, Jonathan Seyfried
Medieval Hypebeast: The Conspicuous Consumption Of Joan I Of Aragon, Jonathan Seyfried
Quidditas
Limited releases, celebrity culture, and insane profit margins: these features define the hypebeast phenomenon of the early twenty-first century. The rise and fall of this cycle of conspicuous consumption bears remarkable resemblance to the craze for French culture in the Crown of Aragon in the late fourteenth century. King Joan I, starting from the time of his youth as the Duke of Girona, funded several projects to import French culture. In 1380, Joan married Violante de Bar, niece of the French King Charles V and the Duc de Berry. Once Joan and Violante ascended to the throne, they co-created a …
Beyond Boundaries: Evaluating Bl/Yaoi Subject Headings In Academic Library Classification, Cecilia Zhang
Beyond Boundaries: Evaluating Bl/Yaoi Subject Headings In Academic Library Classification, Cecilia Zhang
Journal of East Asian Libraries
This study critically evaluates the effectiveness of the newly established Library of Congress Subject Headings, "Boys' Love (Gay Erotica)" and "Yaoi (Gay Erotica)," in classifying and facilitating the retrieval of information related to these genres. By examining the complex history of these terms within fan communities in Japan, China, and Korea across different historical periods, this research argues that the current LCSH oversimplifies the genre's rich cultural context and ongoing innovation, creating barriers to effective information retrieval and access. Additionally, the use of the term "Gay Erotica" is misaligned with the nuanced nature of BL/Yaoi, further complicating its classification. This …
Embodiment And Ritual Clothing: Dressing The Israelite High Priest, Ally Huffmire
Embodiment And Ritual Clothing: Dressing The Israelite High Priest, Ally Huffmire
Studia Antiqua
Exodus 28 and 39 contain a detailed description of the clothing God instructed to be made and worn by Israelite priests. In this essay, sacred clothing will be understood through the lens of ritual studies, characterizing clothing with a sense of liminality that defines and endows the human wearer with identity and power. The social meanings and implications of the high priest’s dress will be reconstructed by engaging in sensory criticism, drawing upon insights from the greater eastern Mediterranean world. Given the ancient world’s unique conception of a permeable body, ritual clothing had the ability to imbue the wearer with …