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Full-Text Articles in Entire DC Network
Agile Enterprise Simulation – A Framework For Organizational Decision-Making Analysis, John P. Wilson
Agile Enterprise Simulation – A Framework For Organizational Decision-Making Analysis, John P. Wilson
Theses and Dissertations
Decision-making by one or more individuals to select a course of action is predicated on the values and preferences to identify, choose options, and finally select the option that is evaluated to be the “best option.” Decision theory provides the means to model and analyze both the processes and options available to the decision-makers. This dissertation assembled in three phases: 1) An effort to collect and review existing literature relating to the concept of expanding decision analysis options to provide a model of decision-making made with time-dependent factors along with uncertainty and risk. Further, adding the concept of a decision …
A Multi-Method Exploration Of Health Disparities And Covid-19 Incidence And Mortality In The United States, S M Asger Ali
A Multi-Method Exploration Of Health Disparities And Covid-19 Incidence And Mortality In The United States, S M Asger Ali
Theses and Dissertations
The 21st century experienced several health crises, especially in the form of infectious disease outbreaks such as the SARS outbreak in 2003, the H1N1 in 2009, and Ebola outbreaks in 2013. However, none has produced a worldwide socio-economic and health impact compared to the recent pandemic, known as COVID-19. As of October 4, 2022, more than 614 million cases with 6 million deaths have been reported worldwide. The United States is currently in the leading position with more than 98 million cases and 1 million deaths. The pandemic, however, did not impact the entire region similarly, and the infections …
Evaluation Of Novel Litter Amendments For Use In The Commercial Broiler Industry, Jorge A. Urrutia
Evaluation Of Novel Litter Amendments For Use In The Commercial Broiler Industry, Jorge A. Urrutia
Theses and Dissertations
Poultry litter amendments (LA) are commonly used to maintain good litter quality; the most common ones; are acidifiers. However, concern over the lifespan of LA acidifiers (d) and corrosive nature revealed a need for alternative LA. Products of interest include biochar (BC), superabsorbent polymers (SAPs), and alum mud (AM). Experiment 1 was a screening study (n=17 treatments, no birds) conducted to determine the optimal application rate/method of BC, SAPs, and AM vs.commercial LA and a control. Most SAPs treatments measured metrics may be similar (i.e., bacteria, water activity) or better (pH) vs. commercial LA (PLT). High inclusions of novel LA …
Non-Traditional Adjuvants And Methods For Applying Root-Promoting Compounds In Commercial Cutting Propagation, Anthony Turner Bowden
Non-Traditional Adjuvants And Methods For Applying Root-Promoting Compounds In Commercial Cutting Propagation, Anthony Turner Bowden
Theses and Dissertations
The nursery/greenhouse industry is innovative. There have been several reports in the popular literature of non-traditional adjuvants used in plant propagation; however, these claims have never been evaluated in a scientific setting. Five studies, conducted at the South Mississippi Branch Experiment Station in Poplarville in 2019 and 2021 determined the impact that adding honey to water-soluble auxin solutions and surfactants to foliar applied auxin solutions on physiological responses associated with adventitious root formation. Treatments in studies presented in chapters two and three included three honey sources (multiflora, local, and Manuka). Honey-infused water-soluble auxin solutions affected plant species but not in …
Evaluation For Using Expended Bioelectrochemical Systems As Soil Amendments For Improved Corn Plant Growth And A Drought Resistant Soil., Jackson Lee Sauers
Evaluation For Using Expended Bioelectrochemical Systems As Soil Amendments For Improved Corn Plant Growth And A Drought Resistant Soil., Jackson Lee Sauers
Theses and Dissertations
A long-held practice is to mix agricultural soil with a soil amendment to improve growing conditions in crops. A common soil amendment is biosolids produced from both municipal and dairy wastewater due to the macro- and micronutrients within it. Both the agricultural and wastewater industries are participating in the Circular Economy concept (CEC). Two experiments explored using expended bioelectrochemical systems (BES) that treated either synthetic dairy wastewater (DWW) or synthetic municipal wastewater (SWW) as soil amendments to improve corn plant growth when treated with three different nutrient treatments: 100%- 50%- and 0% Hoagland Nutrient Solutions. Biochar and used terracotta clay …
Oxidized Fibrin Alginate Microbeads To Treat Vascular Calcification, Brittany Nichole Macha
Oxidized Fibrin Alginate Microbeads To Treat Vascular Calcification, Brittany Nichole Macha
Theses and Dissertations
Calcification is linked to a high prevalence of cardiovascular events and mortality due to arterial stiffness. Stiffening of the arteries in the case of medial calcification is due to hydroxyapatite mineral deposited in the artery thus leading to the loss of elastin. A possibility of removing this rogue mineral along the vessel walls could be the use of osteoclasts. Osteoclasts, a type of osteocyte, have the unique ability to absorb bone in the bone turnover process. It is proposed that in the future, osteoclasts be delivered to the site of mineralization through oxidized alginate-fibrin microbeads. Alginate hydrogels have proven great …
Ex Vivo Biomechanical Comparison Of Four Center Of Rotation Angulation Based Leveling Osteotomy Fixation Methods, Melody E. Whitney
Ex Vivo Biomechanical Comparison Of Four Center Of Rotation Angulation Based Leveling Osteotomy Fixation Methods, Melody E. Whitney
Theses and Dissertations
Thirty-two canine tibiae with patellae and patellar tendons were harvested from 17 skeletally mature cadavers. Each tibia was randomly allocated to a construct group: plate and pin (Plate), plate with countersink compression screw (HCS), plate with tension band (TB), or plate with HCS and TB (HCSTB). Samples were loaded by distraction until failure. The stiffness, yield load, and ultimate load were compared between each fixation method. No difference in stiffness of the constructs was detected between groups. Yield load and ultimate load for the HCSTB group was greater than the TB group, the HCS group, and the Plate group. CBLO …
White Savior Projects: An Examination Of The Antitrafficking Social Movement, Jennifer A. Cheek
White Savior Projects: An Examination Of The Antitrafficking Social Movement, Jennifer A. Cheek
Theses and Dissertations
For this dissertation, I conduct an ethnography of three antitrafficking programs; interview 38 activists and survivors of trafficking; and analyze organizational texts, websites, and social media. I examine the history of the antitrafficking movement. Among the three organizations, activists provide housing; food, clothing, and hygiene items; medical services; mental health services and counseling; mentorship; education for survivors; a 24-hour hotline; outreach; case management and referrals; training for law enforcement; a drop-in center; and education and awareness events. I examine activists’ diagnostic, prognostic, and motivational framing of sex trafficking, and other framing tactics, such as frame alignment, frame diffusion, frame resonance, …
Effects Of Microcystin-Lr On Channel Catfish (Ictalurus Punctatus) Susceptibility To Microbial Pathogens (Aeromonas Hydrophila And Edwardsiella Piscicida), Alison Marchant
Theses and Dissertations
Microcystin-LR is a hepatotoxin produced by cyanobacteria. Aeromonas hydrophila and Edwardsiella piscicida infections are leading causes of losses in market-sized channel catfish (Ictalurus punctatus). These older fish should have natural immunity in place and a predisposing factor is likely a prerequisite for these disease outbreaks. While microcystin-LR rarely causes mortality in warm-water aquaculture, we believe it may be a predisposing factor that leads to bacterial disease outbreaks during the summer months due to its ability to damage the liver. Our study investigated microcystin-LR’s effects on channel catfish susceptibility to these pathogens. We found that a sublethal dose of microcystin-LR induced …
Inequity Of Access Across America: A Spatial, Temporal, And Modal Disparity Analysis, Sanju Maharjan
Inequity Of Access Across America: A Spatial, Temporal, And Modal Disparity Analysis, Sanju Maharjan
Theses and Dissertations
The overarching goal of this dissertation is to examine the spatial, temporal, and modal disparity of access across America. This is achieved by posing three research objectives. The first objective determines the spatial and temporal disparity of transit and automobile access gap, its impact on transit use, and its socioeconomic and built environment correlates. The second objective examines the spatial and temporal disparity of slightly and extremely risky bike infrastructure and measures the social inequity of access to bike infrastructure. The third objective indicates spatial transit access mismatch between high- and low-wage employment across metropolitans. Three findings are discerned. First, …
Alteration Of The Viral Immune Response In The Lung Of Juvenile Rats By Cannabidiol, Kylee J. Burroughs
Alteration Of The Viral Immune Response In The Lung Of Juvenile Rats By Cannabidiol, Kylee J. Burroughs
Theses and Dissertations
Cannabidiol (CBD) has unverified use in the treatment of ADHD but parents are giving CBD to their children to treat hyperactivity and restlessness. CBD has suppressive effects on immune function therapeutically but the effect of pre-exposure to CBD on the response to an immune challenge is unknown. To investigate this, male and female juvenile rats were treated orally with either corn oil or 20 mg/kg or 60 mg/kg CBD daily for 5 days followed 24 hours later by intranasal challenge with a viral mimic, Resiquimod (R848). After 6 hours, lungs were collected for the analysis of gene expression of select …
Evaluating The Impacts Of Waterlogging Stress On Cowpea (Vigna Unguiculata L.) Growth Traits And Physiological Performance, Omolayo Joshua Olorunwa
Evaluating The Impacts Of Waterlogging Stress On Cowpea (Vigna Unguiculata L.) Growth Traits And Physiological Performance, Omolayo Joshua Olorunwa
Theses and Dissertations
The progressive increase in the global population and the rapidly changing climate have put unprecedented pressure on crop production. Cowpea is one of the world’s most important leguminous crops, contributing to food security and environmental sustainability. However, cowpea productivity is limited due to waterlogging stress. The main objective of this study was to explore physiological and biochemical mechanisms to understand how cowpea genotypes respond to waterlogging stress. Four studies were conducted in controlled and field conditions to achieve these objectives. Study 1 characterized the waterlogging tolerance of 30 cowpea genotypes in a controlled environment using 24 morphophysiological parameters with waterlogging …
A Novel Test Of Emotion Recognition Bias Using Dynamic Facial Morphing, Michael R. Gallagher
A Novel Test Of Emotion Recognition Bias Using Dynamic Facial Morphing, Michael R. Gallagher
Theses and Dissertations
Depressed persons have demonstrated emotion based cognitive biases, specifically surrounding vigilance of negative information and avoidance of positivity. These biases are sometimes operationalized through emotion recognition tasks. However, previous emotion recognition tasks lack in their ability to accurately measure and decompose positivity avoidance with enhanced negativity, while accounting for basic cognitive processes that can drive the results. Therefore, we developed a novel emotion recognition task that examines emotional intensity thresholds, while accounting for general response bias. Linear mixed effects modeling revealed substantial individual differences on all conditions in the task, using both frequentist and Bayesian approaches. Additionally, the findings suggest …
The Effect Of Childhood Maltreatment On Psychotherapy Effectiveness In Adulthood: Implications For Counselors, Michael Hillerman
The Effect Of Childhood Maltreatment On Psychotherapy Effectiveness In Adulthood: Implications For Counselors, Michael Hillerman
Theses and Dissertations
Recent gains in understanding the effects of childhood maltreatment on the development of the brain and nervous system, combined with the revelation that nearly all psychiatric neuroimaging studies have had an unrecognized confound in childhood maltreatment, imply the possibility that psychotherapy treatment effectiveness studies have been similarly confounded by childhood maltreatment. This study examines whether treatment-seeking adults exposed to childhood maltreatment respond differently to psychotherapy than do individuals who report no history of childhood maltreatment. Response to therapy is conceptualized in this study as reduction in symptom measures pre- and post- treatment, as well as client dropout. It is hypothesized …
Healthy Eating Index And Body Fat Distribution, Masar Ozrail
Healthy Eating Index And Body Fat Distribution, Masar Ozrail
Theses and Dissertations
Body fat distribution has been identified as a more significant risk factor for metabolic-related diseases. This study investigated whether body fat distribution affects dietary outcomes (quality and intake), anthropometric measures, body composition, and skin carotenoid levels. A cross-sectional study with 91 female students was conducted. Thirty-one percent of participants (n=28) had an android body fat distribution. Body fat distribution was associated with WC and WHtR (p
Examining The Malleability And Influence Of Attributions On Discipline Responses To Child Misbehavior, Jenna E. Russo
Examining The Malleability And Influence Of Attributions On Discipline Responses To Child Misbehavior, Jenna E. Russo
Theses and Dissertations
Attributions of child behavior have been shown to influence discipline responses and ultimately, child developmental trajectories. Research highlights various social-psychological factors in the formation of attributions, largely characterized as stable. However, research also demonstrates the efficacy of attribution retraining (AR) programs in restructuring individuals’ explanations for various outcomes. This study examined a trauma-informed training intervention with an AR component designed to evoke balanced and contextual attributions of child behavior among child-serving professionals. Of particular interest was the malleability and stability of attributions, and their influence on discipline responses. From pre- to post-training, there was a significant decrease in hostile attributions …
Effects Of Microbial Transglutaminase On Gluten-Free Sourdough Bread Structure And Loaf Characteristics, Anna J. Redd
Effects Of Microbial Transglutaminase On Gluten-Free Sourdough Bread Structure And Loaf Characteristics, Anna J. Redd
Theses and Dissertations
In an effort to mimic the continuous protein matrix found in gluten-containing breads, the effects of the enzyme microbial transglutaminase were tested in gluten-free (GF) sourdough breads containing five different GF flours: chickpea, brown rice, white rice, oat, and quinoa. The utilization of transglutaminase in GF sourdough bread applications was shown to improve some of the final bread characteristics of GF breads. White and brown rice GF sourdough loaves at 24 hours showed a 28% and 13% decrease in crumb firmness with the addition of 2 U/g dough, respectively. Quinoa-GF sourdough breads at 24 hours showed a 6% increase in …
Exploring The Effectiveness Of The Grizzly Success Program At Georgia Gwinnett College: A Quantitative Study, Michael Phillip Poll
Exploring The Effectiveness Of The Grizzly Success Program At Georgia Gwinnett College: A Quantitative Study, Michael Phillip Poll
Theses and Dissertations
Research suggests that summer bridge programs are a successful strategy for helping at-risk students succeed in college by offering additional tutoring, mentoring, and advising (Slade et al., 2015). Bridge programs are effective for increasing student success (Bir & Myrick, 2015). However, summer bridge programs may challenge at-risk first-generation students due to limited access and additional fees (Mullen, 2010). The additional costs associated with summer programs combined with the summertime commitment needed for summer bridge programs may present a barrier to enrollment and prove difficult for at-risk students to overcome. Grizzly Success is a program that provides additional academic support, social …
Development Of A 3d-Printed Microfluidic Droplet-On-Demand System For The Deterministic Encapsulation And Processing Of Biological Materials, Chandler A. Warr
Development Of A 3d-Printed Microfluidic Droplet-On-Demand System For The Deterministic Encapsulation And Processing Of Biological Materials, Chandler A. Warr
Theses and Dissertations
The growing threat of antimicrobial resistance is among the largest concerns in the world today. One method under development to combat this issue is the encapsulation of microbes in microfluidic droplets for single-cell testing. This method may be able to circumvent the need for a traditional positive cell culture which consumes the majority of the testing time using current diagnostic methods. This dissertation presents a method by which to deterministically encapsulate microbes using an artificial intelligence object detection algorithm and a Droplet-On-Demand microfluidic device. To accomplish this, the Droplet-On-Demand microfluidic device was first developed using a unique 3D-printing manufacturing method. …
Motivation Toward Sport, Physical Activity And Exercise Between College Students In Hungary And The United States During Covid-19, Whitney Gene Davies
Motivation Toward Sport, Physical Activity And Exercise Between College Students In Hungary And The United States During Covid-19, Whitney Gene Davies
Theses and Dissertations
During the COVID-19 pandemic many researchers noted changes in exercise, physical activity, and sports behaviors. The current study attempts to identify aspects of motivation for physical activity, exercise, and sport for students in two countries, the USA and Hungary. The current study used the Sports Motivation Scale II to measure students’ motivation based on the Self-Determination Theory. Results indicated that students in the USA were more motivated for exercise, physical activity, and sport during the COVID-19 pandemic than were their Hungarian counterparts. Students in the United States scored higher (MUS = 17.88) in overall motivation than their Hungarian counterparts (MHungary …
Exploring Experiential Education In The Online Learning Environment, Rhonda Sandberg
Exploring Experiential Education In The Online Learning Environment, Rhonda Sandberg
Theses and Dissertations
Research indicates that experiential learning enhances learning and increases student engagement. As online education in higher education increases, incorporating experiential learning into the online experience has been occurring. For this case study, interviews with five online instructional designers and three online instructors examined answers to the questions of how online instructional designers and online instructors define, value, and design experiential learning in their online courses. Insights regarding the benefits and challenges of designing online experiential learning are discussed. Online instructional designers discussed coaching online instructors through the process of designing experiential learning for their online courses. Online instructors expressed that …
Exploring Heuristics And Best Practices For Redesigning Instructional Video, Kelly L. Murdock
Exploring Heuristics And Best Practices For Redesigning Instructional Video, Kelly L. Murdock
Theses and Dissertations
Instructional video is a common staple for delivering content in online courses. However, if the included videos are not properly created, many students will skip the video and its content. Improving instructional video has been the topic of many research projects, and we can learn from these studies how to create effective and engaging instructional videos--this is the topic of my dissertation. The first paper is an extended literature review that examines which key instructional design principles are supported in the literature. This helps developers to know which principles to focus on when designing video. The second paper is a …
Methods For Engineers To Understand, Predict, And Influence The Social Impacts Of Engineered Products, Phillip Douglas Stevenson
Methods For Engineers To Understand, Predict, And Influence The Social Impacts Of Engineered Products, Phillip Douglas Stevenson
Theses and Dissertations
Engineered products can impact the day-to-day life of their users and other stakeholders. These impacts are often referred to as the product's social impacts. Products have been known to impact the people who use them, design them, manufacture them, distribute them, and the communities where they exist. Currently, there are few methods that can help an engineer identify, quantify, predict, or improve a product's social impact. Some companies and organizations have tried to identify their impacts and, for example, set goals for achieving more sustainable business practices. However, engineers, in large part, do not have methods that can help improve …
The Use Of Inertial Measurement Unit For The Characterization Of Multiple Functional Movement Patterns In Individuals With Chronic Ankle Instability, Seunguk Han
Theses and Dissertations
Patients with a history of lateral ankle sprain (LAS) may experience different levels of mechanical and/or sensorimotor deficits following their injuries. Although various factors, such as structural damage, sensorimotor adaptation, perceived instability, swelling and/or pain, can develop and perpetuate the condition of chronic ankle instability (CAI), most previous CAI research on biomechanics has considered all patients with CAI as a homogeneous group. Recent research has clustered patients with CAI into six distinct movement patterns during a maximal jump-landing/cutting task. This approach could motivate clinicians to develop appropriate rehabilitation programs for each patient with CAI depending on their movement patterns. However, …
Return, Leilani Bascom
Return, Leilani Bascom
Theses and Dissertations
Return is a video-based installation which includes sound, performance, and textile elements. Leilani Bascom is the lone actor navigating the water and where the water meets the land in this personal project exploring concepts of the life cycle from birth to death and rebirth. Life's paradox of struggle and release unfolds with imagery of battling through waves to swim deep underwater, fighting a river current and then surrendering to the flow, and carving a hole in the sand to climb into and be held. Viewers are immersed in the movement and sounds of water to witness the power and meaning …
A Hug For Humanity: Metamodernism And Masculinity On Television In Ted Lasso, Kennedy Lesley Koford
A Hug For Humanity: Metamodernism And Masculinity On Television In Ted Lasso, Kennedy Lesley Koford
Theses and Dissertations
The Apple TV+ sports comedy Ted Lasso has been a hit among fans, who flock to the show and its positive messages. The show offers a refreshing tone, one that promotes positivity and optimism even when faced with the reality of a cynical world. By using the analytical perspective of metamodernism to understand its popularity, scholars and fans alike can gain a deeper understanding of core message of the show, which mimics the oscillation between the cynical and the sincere. Fundamental scholars in the emerging study of metamodernism, such as Robin Van Den Akker, Timotheus Vermeulen, and Alison Gibbons will …
Transforming Gps Points To Daily Activities Using Simultaneously Optimized Dbscan-Te Parameters, Gillian Michele Riches
Transforming Gps Points To Daily Activities Using Simultaneously Optimized Dbscan-Te Parameters, Gillian Michele Riches
Theses and Dissertations
With the recent upsurge in mental health concerns and ongoing isolation regulations brought about by the COVID-19 pandemic, it is important to understand how an individual's daily travel behavior can affect their mental health. Before finding any correlations to mental health, researchers must first have individual travel behavior information: an accurate number of activities and locations of those activities. One way to obtain daily travel behavior information is through the interpretation of cellular Global Positioning System (GPS) data. Previous methods that interpret GPS data into travel behavior information have limitations. Specifically, rule-based algorithms are structured around subjective rule-based tests, clustering …
Are Changes In Muscle Blood Flow Associated With The Age-Related Decrease In Critical Power?, Abigail Dorff
Are Changes In Muscle Blood Flow Associated With The Age-Related Decrease In Critical Power?, Abigail Dorff
Theses and Dissertations
Aging results in lower exercise tolerance, manifested as decreased Critical Power (PCRIT). Aging is also associated with reduced physical activity, decreased muscle mass, and altered muscle blood flow, all of which may contribute to the age-related decrease in PCRIT. Purpose: The purpose of this study was to determine if the age-related decrease in PCRIT occurs independently of changes in physical activity and muscle mass and if it is related to impaired muscle blood flow. Methods: 10 Old (63.1 ± 2.5 years, 5 female and 5 male) and 10 Young (24.4 ± 4.0 years, 5 female and 5 male) physically active …
Forecasting Ride-Hailing Across Multiple Model Frameworks, Christopher Stephen Day
Forecasting Ride-Hailing Across Multiple Model Frameworks, Christopher Stephen Day
Theses and Dissertations
The advent of on-demand transport modes such as ride-hailing and microtransit has challenged forecasters to develop new methods of forecasting the use and impacts of such modes. In particular, there is some professional disagreement about the relative role of activity-based transportation behavior models -- which have detailed understanding of the person making a trip and its purpose -- and multi-agent demand simulations which may have a better understanding of the availability and service characteristics of on-demand services. A particular question surrounds how the relative strengths of these two approaches might be successfully paired in practice. Using daily plans generated by …
Methods For Single-Cell And Low-Input Proteomics, Yiran Liang
Methods For Single-Cell And Low-Input Proteomics, Yiran Liang
Theses and Dissertations
Single-Cell Proteomics (SCP) can provide unique insights into biological processes by resolving heterogeneity that is obscured by bulk measurements. Gains in the overall sensitivity and proteome coverage through improvements in sample processing and analysis increase the information content obtained from each cell, particularly for less abundant proteins. In addition to achieving in-depth proteome coverage from single cells, higher throughput measurements enable large-scale and statistically significant features within single cell populations. This dissertation focuses on method development to improve the sensitivity and throughput of SCP based on the nanoPOTS (nanodroplet Processing in One pot for Trace Samples) platform. The methods discussed …