Digital Commons Network^™

Teachers' Experiences Implementing The 2018 Mississippi College And Career Readiness Standards For Science, Lydia Lytal

Electronic Theses and Dissertations

Teachers have had to use standards to teach with since the 1980’s. The CCRS has made a significant shift in how standards are written and the expectations of students in learning them. With the three-dimensional design, teachers are required to change their pedagogy in order to implement the standards with fidelity. That requires training, support, and resources for the teachers. The purpose of this study was to provide insight in the experiences of high school teachers in Mississippi as they implemented the standards. Additionally, the researcher revealed emotions related to implementation and differences related to teachers in a tested subject …

Implementation Of Online Learning In Physical Therapy Graduate School: Multimethod Examination Of Physical Therapy Students' Perception, Ryan Mcglawn

Electronic Theses and Dissertations

The shift to online learning due to the COVID-19 pandemic has brought about significant changes in the way education is delivered. The online environment provides a new avenue for physical therapy education. With a majority of undergraduate students taking at least one course online, their perceptions of online learning are critical in the development of online physical therapy education. This study aims to investigate the University of Mississippi Medical Center (UMMC) entry-level physical therapy students’ perceptions of online learning. The study sample will include approximately 150 students comprised of 3 cohorts of 50 students. The study is a multimethod examination …

Detection Of Rayleigh Faded Signal Using Two Distributed Sensors, Sayantan Saha

Electronic Theses and Dissertations

Distributed detection(DD) is an area of interest in the Cognitive Radio(CR) Network domain. With the help of geographically dispersed sensors and a Fusion Center(FC) (i.e. the network element which generates the global network decision), a DD system can determine the presence or absence of a primary user signal. This prevents any harmful interference by a secondary user who is trying to gain access to the unoccupied spectrum opportunistically. DD system gained its popularity in spectrum analysis due to the limited bandwidth of the reporting channels between the sensors and their fusion center.

Why And How Do Sports Consumers Engage With Non-Fungible Tokens (Nfts)?, Seomgyun Lee

Electronic Theses and Dissertations

The advent of non-fungible tokens (NFTs) heralds a new era for digital collections. Based on blockchain items and a tradable market, the National Basketball Association (NBA) Top Shot program, for example, provides several digital assets containing moments of NBA highlights. By the second quarter of 2021, NBA Top Shot had attracted one million consumers and produced more than $800 million in sales. Following its success, several other North American sports leagues entered the NFT sector, such as the National Football League’s All Day and Major League Baseball’s Candy programs. As new and complementary avenues for fan engagement, sport-related NFTs have …

The Effects Of Google Smart Compose On The Process Of Open-Ended Writing, Sijan Shrestha

Electronic Theses and Dissertations

Recently, a lot of new natural language models have been developed which help individuals with writing. One of the widely used tools is Google’s Smart Compose which is a text-predictive system that helps individuals to write by reducing the need for repetitive typing. Though this tool has been well established and used by a lot of people, there is a lack of studies on its impact on open-ended writing.

In this thesis, we investigate the effect of Google’s Smart Compose in open-ended writing. To do this, we built a custom software that collects data while the users are writing on …

Navigating To The Top: Career Success Experiences Of Black Women Senior Leaders In Higher Education, Gladys R. Peters

Electronic Theses and Dissertations

The career advancement for Black women in higher education is not the same as their counterparts. Gender equity practices fail to challenge homogenous professional communities limiting how race and gender influence leadership advancement for Black women career trajectories. Black women who occupy positions of institutional influence and authority as senior leaders have largely been overlooked in in higher education research. Using a qualitative exploratory approach, this multiple case study explored the lived experiences of 10 Black women presently working in senior leadership roles in four-year public institutions of higher learning. This study sought to contribute to a deeper understanding of …

Unveiling Mississippi's Artistic Souls: A Documentary Journey, Sandip Rai

Electronic Theses and Dissertations

This MFA thesis presents a short documentary film focusing on the lives and artistic processes of four distinct artists residing in Mississippi: Andrew Bryant, Anne Scott Barrett, Jared Spears, and Stephen Brown (5th Child). The film delves into the intricacies of each artist's creative journey, capturing their unique perspectives and offering invaluable insights into their artistic endeavors.

Over the course of more than a year, this documentary underwent numerous revisions and refinements to ensure its significance both to the public audience and, most importantly, to the featured artists themselves. As an artist, the filmmaker was deeply motivated to unravel the …

The Presence And Prevalence Of Underqualified High School Science Teachers In Mississippi, Shelby Ann Watson

Electronic Theses and Dissertations

With growth in STEM postsecondary programs and careers positioned as a national priority, ensuring that K-12 science classrooms are staffed with highly qualified teachers is an important step towards building student interest in STEM and preparing students for STEM careers. However, previous studies of out-of-field teaching have indicated that schools and districts across the country are hiring large numbers of underqualified teachers to fill high-needs positions, such as secondary science and mathematics. Complicating the issue is the fact that data regarding teacher shortages, vacancies, and underqualified teaching are often incomplete or inaccessible. Prior studies have found that underqualified teaching is …

High-Resolution Hybrid Printing Of 3d Electronics, Nusrat Yasmin

Electronic Theses and Dissertations

Highly integrated on-demand printed electronics have gained lots of popularity recently. Most of the fabrication methods that are currently used in the industry are constraints to one technology and also one material class. These also limit the geometry design and the resolution of the finished products. To address this problem, the hybrid printing process is a promising technique to effectively fabricate 3D electronics. Hybrid printing is the future of printed electronics.

In the study, a high-resolution (~100 microns) hybrid printing process has been developed which combines extrusion-based printing (EBP) and Electrohydrodynamic (EHD) printing with polymeric and metallic material respectively. In …

Genomic And Metabolomic Investigation Into Xenic Cyanobacterial And Algal Cultures From Northern Mississippi, Alexis Dawn Wagner

Electronic Theses and Dissertations

Cyanobacteria are well-known for their production of a vast array of secondary metabolites. Cyanobacteria are found in marine, aquatic, and terrestrial environments. Due to their production of an abundance of natural products, cyanobacteria may have significant applications in biotechnological, industrial, agricultural, and pharmacological fields. Although they have many beneficial implications, they are also known producers of Harmful Algal Blooms (HABs). These HABs can exude toxins into the marine environments, while decomposition of their biomass can create hypoxic zones. These HABs can lead to ecosystem destruction, wildlife death, and human health impacts. In order to better understand the metabolic capabilities and …

Full Bridge Modeling To Evaluate Effectiveness Of A Seismic Bearing On A Newly Constructed Bridge On I-55, Sandip Gupta

Electronic Theses and Dissertations

Infrastructure constructed should be safe and reliable. Bridges are essential infra structure used by large mass of people on a daily basis. Out of 617,000 bridges across the United States, 42% are at least 50 years old, and 7.5% are considered structurally deficient as per Infrastructure report card. 178 million trips are made on these structurally deficient bridges every day in the US. Thus, a bridge should be designed, not only for Strength and Service limit states, but also for Extreme limit states which includes earthquake. New Madrid Seismic Zone (NMSZ), located in southeastern Missouri, northeastern Arkansas, western Tennessee, western …

Transportability Of Adversarial Attack, Jonggu Park

Electronic Theses and Dissertations

The aim of this thesis is to leverage machine learning algorithms to introduce adversarial cloaks, or noise, into images containing real individuals and assess whether the resulting images still accurately represent human subjects. Specifically, I seek to discern whether images featuring avatars, placed in the same spatial configuration as humans and subjected to similar perturbations, can be effectively used to generate adversarial examples capable of fully masking a person. By analyzing the probability of correctly identifying personhood, I strive to establish a method of utilizing virtual avatars to provide increased privacy for users. This research has significant implications for advancing …

Investigating Novel Applications Of Hot Melt Extrusion Technology For Improving Solubility Of Poorly Soluble Drug Substances, Preethi Mandati

Electronic Theses and Dissertations

In today’s world, with an increasing patient population, the demand for pharmaceutical medications is increasing enormously. Poor solubility of the drug substances is the major issue being faced by scientists across various avenues of pharmaceutical sectors for improving oral bioavailability and delivering cost-effective medication to the patient population. To date, various approaches have been investigated for solubility enhancement. Despite improving the solubility, the limitations of batch manufacturing are another major roadblock affecting late-stage manufacturing. In addition, the traditional batch manufacturing techniques involve multiple manufacturing steps and lack the capability to manufacture complex and patient-centric medications. The current research aims to …

Experimental And Modeling Approaches To Groundwater Flow And Self-Potential For Estimating Aquifer Parameters And Investigating Surface-Groundwater Interaction, Md Lal Mamud

Electronic Theses and Dissertations

This dissertation presents an exploration of the Self-Potential (SP) and Electrical Resistivity Tomography (ERT) methods applied within the context of the Managed Aquifer Recharge (MAR) project near the Tallahatchie River at Shellmound, MS. The research introduces tools and methodologies, including 80-electrode SP data acquisition systems (80E-SPDAS) and the Hydro-Electrical Aquifer Properties Estimator (HEAPE), to measure SP data in the laboratory and the field. The first segment of the dissertation introduces the Hydro- Electrical Aquifer Properties Estimator (HEAPE), an apparatus designed for high-resolution Self-Potential (SP) data collection. The HEAPE apparatus is utilized in laboratory experiments to measure SP under varying conditions …

Novel Formulation Strategies With Hot-Melt Extrusion Technology To Address Physicochemical And Physiological Constraints For Improved Oral Drug Delivery, Sagar Narala

Electronic Theses and Dissertations

Most current active pharmaceutical ingredients (APIs) exhibit poor water solubility, necessitating higher doses or repeated administration. Numerous methods were explored to augment solubility, including but not limited to amorphous solid dispersions, cocrystals, salts, and nanoformulations. The hot-melt extrusion (HME) technique has gained immense popularity due to its solvent-free and continuous manufacturing capabilities, contributing to its increasing use to enhance solubility and bioavailability. In the first chapter, hydrochlorothiazide (BCS-IV class) cocrystals were produced using coformers such as nicotinamide (NIC), resorcinol (RSL), and catechol (CAT) through HME technology. The cocrystals were compared against liquid-assisted grinding (LAG) cocrystals and then analyzed by DSC, …

Molecular Dynamics Simulations For The Mechanical Behavior Of Alpha Quartz With Void Defects Under Tension, Yu Jia

Electronic Theses and Dissertations

The structural and mechanical properties of void-free and single-void α-quartz were investigated using MD simulations with three different interatomic potentials (BKS, Vashishta and Tersoff). Two distinct ensembles, NVT and NPT, were separately applied to investigate the tensile response of α-quartz under uniaxial strain and uniaxial stress states. A comprehensive comparison among different potentials, as well as comparison with currently available experiments, has been made. The BKS and Vashishta potentials accurately predicted the structural properties of void-free α-quartz, while the Tersoff potential was deviated significantly from the experimental data. Under tension, the BKS did a better description for the mechanical performance …

Bio-Inspired Memory Device Based Physical Reservoir Computing System To Solve Temporal And Classification Problems, Md Razuan Hossain

Electronic Theses and Dissertations

In recent years, technological advancements in the field of computing have been limited by the slowing down of Moore’s law, which predicts the doubling of the number of transistors on a microchip every two years. The limitations of traditional solid-state electronics have become increasingly evident, as it is becoming difficult to increase the number of transistors while maintaining their reliability and performance. The breakdown of Dennard Scaling, which describes the power-density relationship in CMOS transistors, and the von Neumann bottleneck, which refers to the limited bandwidth between the central processing unit (CPU) and memory, have further exacerbated the situation. Moreover, …

Alternative Southern Communities: Cultural Other "Asians" In Contemporary Fiction About The American South, Mariko Hiwatashi

Electronic Theses and Dissertations

This project explores the representation of minority groups in contemporary U.S. Southern literature, with a particular focus on Asian communities. It not only challenges the conventional perception that Asians in America are primarily associated with the West Coast but also underscores how Asian representation in literature plays a crucial role in illuminating the complexities of regional identity and social structure in the American South.

Historically, Asian immigrants have been part of the Southern landscape since the eighteenth century when Filipino sailors settled in New Orleans. Chinese immigrants also played essential roles as laborers in the post-slavery South. However, their experiences …

"Sealed With A Kiss On Your Artery": An Archive Of Southern Lesbian Desire, Sarah Margaret Heying

Electronic Theses and Dissertations

This dissertation examines southern lesbian feminist print culture of the 1970s-2000s, which produced some of the most intersectional work to come out of second-wave feminism— especially in terms of creative and critical challenges to anti-Blackness, classism, metrocentrism, and regional exceptionalism. A central contribution of “Sealed with a Kiss on Your Artery” is its reimagination of archival reading practices from a queer-feminist literary studies perspective. Each chapter examines the archive of a particular lesbian feminist figure and demonstrates a corresponding interpretive practice; I seek to encounter these historical figures in a manner befitting not only the facts of their contributions to …

Immulina® As An Immunostimulatory Supplement: Dissolution And Pharmacodynamic Studies, Yusheng Li

Electronic Theses and Dissertations

As one of popular dietary supplements, the health benefits of Arthrospira platensis (commonly known as spirulina) have been broadly reported. Immulina is a commercially available extract of Arthrospira platensis that is enriched with bacterial lipoproteins and acts as a Toll-like receptor 2 (TLR2) agonist. However, the immunostimulatory effect of Immulina in vivo has not been well understood. In this work, we explored the nanoformulation of Immulina to improve the dissolution rate in aqueous media. Building upon a standardized cell-based assay that measures the bioactivity of Immulina as a TLR2 agonist, we developed a quantitative methodology to determine the Immulina concentration …

Formulation And Evaluation Of Fenofibrate-Hpꞵcd Tablets Using The Freeze-Drying Method, Krishna Soni

Electronic Theses and Dissertations

Fenofibrate (FNB) is a lipid-lowering medication used to treat hyperlipidemia that is practically insoluble in Water, leading to reduced absorption gastrointestinal tract. Complexation and lyophilization are performed and studied to enhance the solubility of the FNB in gastric fluid and increase its dissolution rate. The present study was intended to enhance the dissolution rate of Fenofibrate using complexation with hydroxy propyl β-cyclodextrin (HPβCD). Complexes of Fenofibrate with HPβCD were prepared in a 1:1 ratio by lyophilization. Differential Scanning Calorimetry, and Fourier-Transform Infrared spectroscopy, are used to characterize the solid state of a complex. Investigations of the physical properties of tablets …

Experimental Studies On Developing And Characterising Vaginal Films Using Hot-Melt Extrusion Technology, Kirti Pradeep Sawant

Electronic Theses and Dissertations

Vaginal Candidiasis (VC) is one of the most common health problems in women. Indeed, one of the most convenient approaches for its treatment is an appropriate mucoadhesive vaginal film. This approach provides a local treatment modality, which inevitably decreases the dosing frequency and improves patient compliance. Clotrimazole is one of the drugs that are extensively used to treat Vaginal candidiasis and therefore, it is used in this research. The current study aimed to produce a novel extended-release film using Hot-Melt Extrusion (HME). Two different polyethylene oxide (PEO) polymer grades (PEO N10, PEO N750) were utilized to optimize the drug release …

The Influence Of Isometric Handgrip Exercise And Blood Flow Restriction On The Changes In Muscle Size, Strength, And Resting Limb Blood Flow In Trained And Untrained Limbs, Vickie Wong

Electronic Theses and Dissertations

Background: Baseline vascular networks or significant changes in vascular network due to resistance training may induce greater muscle growth. Evidence doesn't support a causal relationship between changes in muscle size and strength. Cross-education is observed with high-intensity/loads and adding blood flow restriction to low-intensity exercises results in greater muscle growth, strength, and resting limb blood flow.

Purpose: To investigate the effects of exercise intensity and blood flow restriction on muscle size, strength, and resting limb blood flow in both trained and untrained arms.

Methods: A total of 179 participants were randomized into: low-intensity isometric handgrip exercise (LI), low-intensity isometric handgrip …

Emerson Synecdoche, Anthony Borruso

Yalobusha Review

No abstract provided.

Gibson Gift Names Gate 32, Bill Dabney

University of Mississippi News

No abstract provided.

Bequest To Help Students In Two Programs Succeed, Bill Dabney

University of Mississippi News

No abstract provided.

Surprise Gift Benefits Two Um Programs, Bill Dabney

University of Mississippi News

No abstract provided.

Graphene Research Highlighted At Global Conference, Erin Garrett

University of Mississippi News

University of Mississippi team joins U.S. senator to showcase cutting-edge work

Supporting Reading Experiences For Children, Tina H. Hahn

University of Mississippi News

No abstract provided.

Growing High School Stem Outreach Program Led By Graduate Student, Abigail Martin

University of Mississippi News

Inspiring passion for science-related fields in the next generation of scholars