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At Home At The Down Home: Building And Sustaining A Musical Community, Rheva Myhre
At Home At The Down Home: Building And Sustaining A Musical Community, Rheva Myhre
Electronic Theses and Dissertations
The Down Home is an eclectic music venue in Johnson City, Tennessee. Established in 1976, it has since become a noteworthy club and the center of a mutually supportive community of people who keep the venue going while it in turn holds the community members together. Through the use of community theory, oral history theory, memorabilia, and oral history interviews, this thesis examines the way the Down Home community formed, and how it has continued to grow, develop traditions, and engage people both local and from afar. It also explores what the venue’s future may look like. While several influential …
An Evaluation Of Castor Californicus And Implications For The Evolution And Distribution Of The Genus Castor (Rodentia: Castoridae) In North America, Kelly Lubbers
Electronic Theses and Dissertations
The genus Castor is represented in Eurasia by Castor fiber, North America by C. canadensis, and has been in North America since the late Miocene. This study aims to assess whether morphology of Miocene-Pliocene C. californicus and extant C. canadensis are distinctly different. Specimens of Castor were compared using geometric morphometrics on cranial material and linear measurements of postcranial material. Species occurrence data were compared with past and future climate data to assess Castor distribution in North America through time. Results show that C. canadensis is highly variable in both cranial and postcranial morphology and C. californicus falls …
Evaluating Bat Roost Abundance: A Comparison Of Drone-Acquired Thermal Imagery And Acoustic Estimates With Visual Observations, Karah Jaffe
Electronic Theses and Dissertations
Roosts provide an opportunity to census philopatric populations of bats. Comparing the efficacy of traditional methods with novel methods can provide guidance on the use of new technologies in the field. This project aims to compare the count efficacy of external emergence methodologies, i.e., drone-acquired thermal imagery, acoustic estimates, and visual counts. Surveys were conducted ten nights at two emergence sites and synchronized to compare counts. Acoustic estimates could not be established as there was a weak prediction of the linear relationship between root-mean-square pressure and emergence count; therefore, this method was removed from the comparative analysis. A linear mixed-effects …
Fabrication Of Porous Extended-Release Tablets Using Dual Nozzle Fused Deposition Modeling 3d Printing Techniques, Sung-Chi Lee
Fabrication Of Porous Extended-Release Tablets Using Dual Nozzle Fused Deposition Modeling 3d Printing Techniques, Sung-Chi Lee
Electronic Theses and Dissertations
The aim of this study was to fabricate shell-core porous tablet formulations by fused deposition modeling dual nozzle three-dimensional printing coupled with hot-melt extrusion techniques. Acetaminophen was selected as the model drug for this study owing to its pH-independent property. The 3-point bend test and the stiffness test were performed to investigate the printability of filaments. The stiffness constant, k, was calculated to represent the printability by fitting the breaking distances and stress data into Hooke’s law. The formulation 1 (F1) and formulation 2 (F2) filaments were printed successfully by demonstrating the preferred hardness with 16.74±3.55 and 14.72±2.20 respectively in …
Mississippi Modernism: The River Valley And Race In American Culture, 1892-1945, William C. Palmer
Mississippi Modernism: The River Valley And Race In American Culture, 1892-1945, William C. Palmer
Electronic Theses and Dissertations
Mississippi Modernism looks to the Mississippi River Valley of the last decade of the nineteenth century and the first few decades of the twentieth century to analyze the ways individuals expressed and determined their experience in the changing world. By engaging with theories of modernity from Marshall Berman and the Black modernism of Houston A. Baker, Jr. this work proposes the Mississippi watershed as a region where individuals indulge in the processes of modernism remaking the environments, both urban and rural, surrounding them. By thinking about the “dry†and “wet†valleys envisioned by European settlers as Christopher Morris terms it, …
Measurement Of Inclusive Upsilon(4s) To Upsilon(1s) Decays At Belle Ii, Justin Wade Guilliams
Measurement Of Inclusive Upsilon(4s) To Upsilon(1s) Decays At Belle Ii, Justin Wade Guilliams
Electronic Theses and Dissertations
Using data collected by the Belle II experiment at the SuperKEKB asymmetric-energy e+e- collider, a measurement of the branching fraction for inclusive $\Upsilon(4S)$ decays to $\Upsilon(1S)$, where $\Upsilon(1S)$ decays to $\mu^{+}\mu^{-}$, is investigated. A similar study has not been conducted for decades. Such an inclusive measurement may be compared to the sum of exclusive branching fractions in order to check the completeness of the known exclusive decays. A disparity between the measured exclusive decays and the inclusive measurement would be suggestive of additional decay modes that are accessible beyond naive expectations. This analysis is further extended to include measurements of …
Clay Beds Preserved In High-Energy Gravel Deposits On Crowley’S Ridge, Northeastern Arkansas, U.S.A.--Origin And Significance From A Lithofacies And Mineralogical Perspective, Trevor John Dempsey
Clay Beds Preserved In High-Energy Gravel Deposits On Crowley’S Ridge, Northeastern Arkansas, U.S.A.--Origin And Significance From A Lithofacies And Mineralogical Perspective, Trevor John Dempsey
Electronic Theses and Dissertations
The Upland Complex (UC) on the southern half of Crowley’s Ridge in Northeastern Arkansas is a 2.6 to 0.2 Ma high-energy, braided sand and gravel containing two thin zones of clay preserved near the top of the UC. Minimum age of the clay was acquired from overlying Brown and Foreman (2012) thermoluminescence ages and maximum age was acquired from Odom et al. (2019) Al/Be age of the basal UC. This project aims to discern if these clay layers formed from pyroclastic material and if so, what the provenance of the parent material is. The investigation of the clay layers included …
Using Geophysics To Understand The Shallow Geologic Framework Beneath The National Mall And Memorial Parks Of Washington, D.C., And Map The Trend Of A Quaternary Fault, Kristian Macias
Electronic Theses and Dissertations
The Adams Mill fault, exposed near the original entrance to the Smithsonian National Zoo in Washington, D.C., thrusts Cambrian basement 2.4 m over an unconsolidated gravel. The fault is inferred to trend southeast on geological maps. A 451 ± 34 ka luminescence age for the faulted gravel, obtained by the U.S. Geological Survey (USGS) in 2016, indicates the Adams Mill fault is a Quaternary fault, and this has implications for seismic hazard analyses of the region. Electrical resistivity tomography (ERT), ground penetrating radar (GPR), and seismic refraction microtremor (ReMi) techniques were used to locate and identify the Adams Mill fault …
3d Reinforced Composite Face Sheets And Functionally Graded Polymeric Foam Cores For Blast And Impact Hazard Mitigation, Suman Babu Ukyam
3d Reinforced Composite Face Sheets And Functionally Graded Polymeric Foam Cores For Blast And Impact Hazard Mitigation, Suman Babu Ukyam
Electronic Theses and Dissertations
Lightweight sandwich structures are being used in aeronautics, marine, automotive, and offshore structural applications considering their high specific strength and stiffness along with energy absorption features. Sandwich structures comprise of face sheets typically made of aluminum or fiber-reinforced composites bonded to core materials like metallic foams, honeycomb, polymeric foams or balsa wood having a cellular structure. One main limitation of composite material face sheet is the absence of fibers in thickness direction, which greatly reduces damage tolerance and impact resistance. Current research is focused on investigating the dynamic behavior of sandwich structures having composite laminates with 3D reinforcement as face …
Genomic Analysis And Metabolic Potential Of Myxobacteria, Hanan Albataineh
Genomic Analysis And Metabolic Potential Of Myxobacteria, Hanan Albataineh
Electronic Theses and Dissertations
Myxobacteria are known for their large genomes that bestow them with a distinct lifestyle that is characterized by fruiting body formation, gliding motility, social interactions, predation, and secondary metabolite production. The powerful combination of whole-genome sequencing and bioinformatics-driven analysis of sequence data has delivered unexpected insights into myxobacterial microbial communities. We applied these two approaches to investigate the chemical space and biosynthetic potential of myxobacteria. Mining different myxobacterial genomes for biosynthetic gene clusters led us to the discovery of a cryptic acyl-homoserine lactone (AHL) synthase encoded in the genome of the myxobacterium Archangium gephyra. Bioinformatic analysis of this AHL synthase …
Evaluating The Effects Of Thermal Cycling On Bone (Cold-Blooded Vs Warm-Blooded), Parker Reed Brewster
Evaluating The Effects Of Thermal Cycling On Bone (Cold-Blooded Vs Warm-Blooded), Parker Reed Brewster
Electronic Theses and Dissertations
Thermal cycling, a global threat that is increasingly becoming more real, is a stressing event that can drastically change material properties. Thermal cycling can be used for material strengthening and optimization, but more often than that, thermal cycling is a nuisance that weakens the integrity of structures and coatings. To understand and build better designs that resist the effects of thermal cycling, we look to nature. Though warm-blooded animals regulate their body temperatures within an exceptionally tight range, cold-blooded animals experience relatively extreme temperature fluctuations, and oftentimes, in less than a 5-hour time period. In other words, cold-blooded animals experience …
Design And Fabrication Of Additively Manufactured Arm Cast Using Topology Optimization, Tereza Janatova
Design And Fabrication Of Additively Manufactured Arm Cast Using Topology Optimization, Tereza Janatova
Electronic Theses and Dissertations
The traditional approach to casting non-operative arm fractures involves fully covering a large portion of the forearm, often including a portion of the palm. The use of gypsum plaster and plaster materials often results in cutaneous problems or in more severe cases swelling, pressure sores, or deep vein thrombosis. Other disadvantages include the weight, time it takes to harden, or the damage in contact with water. The objective of the project is to create a durable but breathable custom-made design for an arm brace that will replace the traditional solutions by overcoming their disadvantages. Several research groups and companies provide …
Protein Redesign And De Novo Design Approaches To Create Artificial Nickel-Dependent Metalloenzymes, Dhanashree Selvan
Protein Redesign And De Novo Design Approaches To Create Artificial Nickel-Dependent Metalloenzymes, Dhanashree Selvan
Electronic Theses and Dissertations
Energy crisis, energy demand and climate change are the major challenges of this century. As we face these challenges, it’s important that we depend on alternate energy forms like renewable energy sources and at the same devise ways to tackle the greenhouse effect. Therefore, it is important to move towards a carbon neutral energy economy where we can convert atmospheric carbon dioxide back into organic carbon and depend on clean energy sources like Hydrogen. These energy concerns can be tackled well if we understand the role of enzymes responsible for various biological reactions.Metals play a variety of unexpected roles in …
Bridging Souths: Interdisciplinarity And Knowledge Production In Southern Studies, Matthew David Streets
Bridging Souths: Interdisciplinarity And Knowledge Production In Southern Studies, Matthew David Streets
Electronic Theses and Dissertations
This thesis examines the viability of southern studies, a regional studies project on the study of the U.S. South, as an academic field of study and institutionalized site of multi-, inter-, and transdisciplinary knowledge production. Southern studies has undergone numerous turns and paradigm shifts since its institutionalization in the 1970s. These ontological, epistemological, and methodological developments have reoriented the objectives of interdisciplinary knowledge production. Despite the present permeability of disciplinary boundaries, the institutional structure and its racial, capitalist, and disciplinary hierarchies hinder communication and collaboration across disciplines and fields and between the “ivory tower†and “real world.†Understanding the impact …
Donor-Acceptor (D-A) Type Semiconducting Materials For Optoelectronic Applications, Tharindu Ranathunge
Donor-Acceptor (D-A) Type Semiconducting Materials For Optoelectronic Applications, Tharindu Ranathunge
Electronic Theses and Dissertations
The need for intrinsically conducting polymers (ICPs) in industrial applications such as microchips, capacitors, organic solar cells, and printed electronics is wide-ranging and ever-growing. Among many methods to synthesize ICPs, electropolymerization has become a convenient method for creating and characterizing complex organic copolymers having intrinsic electronic conductivity, including the donor (D)-acceptor (A) class of electronically conducting polymers. Electrochemical analysis has proven the unique redox properties of these polymers as thin films. Specifically, ICPs comprised of electron-rich D and electron-deficient A moieties have been shown to possess intrinsic electronic conductivity and unique optical and electronic properties. Herein, we discuss the design, …
A Computational Model Of The Line-1 Retrotransposon Life Cycle And Visualization Of Metabolic Networks In 3-Dimensions., Michael D. Martin
A Computational Model Of The Line-1 Retrotransposon Life Cycle And Visualization Of Metabolic Networks In 3-Dimensions., Michael D. Martin
Electronic Theses and Dissertations
Computational modeling of metabolic reactions and cellular systems is evolving as a tool for quantitative prediction of metabolic parameters and reaction pathway analysis. In this work, the basics of computational cell biology are presented as well as a summary of physical processes within the cell, and the algorithmic methods used to find time dependent solutions. Protein-protein and enzyme-substrate interactions are mathematically represented via mass action kinetics to construct sets of linear differential equations that describe reaction rates and formation of protein complexes. Using mass action methods, examples of reaction networks and their solutions are presented within the Virtual Cell simulation …
Determining Implementation Barriers For Green Stormwater Infrastructure (Gsi) Practices For Urban Flood Control, Liya Abera
Electronic Theses and Dissertations
An increase in impervious land covers, such as asphalt and buildings from new construction and land development projects, results in cities experiencing flooding events. In 2021, the US was impacted by significant weather and climate disasters, including two flooding events and 11 severe storms. In addition to flooding events, excess runoff carries pollutants to receiving waters causing low water quality and habitat loss. To minimize flooding events and maintain the quality of receiving water bodies, stormwater runoff should be handled near its source. The installation of green stormwater infrastructure (GSI) is one sustainable method of addressing stormwater runoff problems. GSI …
Low-Velocity Impact, Vibration And Shock Response Of Unstitched/Stitched E- And S- Glass/Vinyl Ester Composites, Shahriar Chowdhury
Low-Velocity Impact, Vibration And Shock Response Of Unstitched/Stitched E- And S- Glass/Vinyl Ester Composites, Shahriar Chowdhury
Electronic Theses and Dissertations
In this study, the effects of through-thickness stitching on the dynamic properties, low-velocity impact and shock responses of stitched and unstitched E- and S- Glass/Vinyl Ester composites have been investigated. The stiffness and loss factor (inherent damping) properties are obtained from impulse-frequency response experiments using the hammer excitation method. Drop weight impact testing machine was used to carry out low-velocity punch shear tests on the composite specimens following ASTM D3763 Standard, and shock tube apparatus was used to determine center point deflection under blast loading. The stitching increased the dynamic flexural modulus by 13% for E- and 8% for S- …
Critical Thinking Teaching Practices In Community College, Andrea Jordan Crowley
Critical Thinking Teaching Practices In Community College, Andrea Jordan Crowley
Electronic Theses and Dissertations
As artificial intelligence (AI) becomes more ubiquitous, and machine learning continues to optimize systems and data, the human contribution to our working and social worlds must evolve to be more sophisticated. Labeled as the fourth industrial revolution by the World Economic Forum (2019), employment roles comprised of repetitive tasks and rote analysis will no longer be needed because machines and artificial intelligence will be able to program themselves to perform these functions. Many experts forecast that for every low-skilled occupation a new, more sophisticated role will be invented (Skilton & Hovesepian, 2018).
Organizational Green Claims And Consumer Green Perceptions In The Foodservice Industry, Jangwoo Jo
Organizational Green Claims And Consumer Green Perceptions In The Foodservice Industry, Jangwoo Jo
Electronic Theses and Dissertations
Due to the ever-growing consumer demands and global pressures for more sustainable business operations, corporations disclose their sustainable practices, products, and services to enhance their environmental image. Consumer green perceptions resulting from those organizational green claims have not been the focus of foodservice research. The application of green performance dimensionality of the foodservice domain identified that organizational green claims regarding food, environment and administration increase consumer green confusion and green trust at the same time. Based on the results of CFA, SEM, and multigroup analyses, this study suggests implications both theoretical and practical.
Bland Treacherous Water: Diluvial Epistemologies In Flood Narratives Of The Us South Since 1927, Sara Stephens Loomis
Bland Treacherous Water: Diluvial Epistemologies In Flood Narratives Of The Us South Since 1927, Sara Stephens Loomis
Electronic Theses and Dissertations
This dissertation examines the relationship between southern flood narratives and the epistemological changes wrought by the Anthropocene epoch in the past hundred years. It participates in the turns toward ecocriticism and environmental justice within 21st-century southern studies, situating the US South as a testing ground for ecosystem epistemologies shaped by overabundant water. An expansion of Steve Mentz’s call for a blue humanities that shifts focus from land to sea, Bland Treacherous Water explores what happens to Anthropocene subjects’ ways of knowing their environments when waterways inundate the land itself. By investigating works by William Faulkner, James Dickey, Cormac McCarthy, Marilou …
Development And Evaluation Of Performance Models For Asphalt, Concrete, And Composite Pavements Using Machine Learning, Rulian Ferreira De Almeida Barros
Development And Evaluation Of Performance Models For Asphalt, Concrete, And Composite Pavements Using Machine Learning, Rulian Ferreira De Almeida Barros
Electronic Theses and Dissertations
Transportation infrastructures account for a considerable portion of public investments, which serve as the backbone of a country’s economy by providing essential services to businesses and people. In the United States, public investments in transportation infrastructure assets represent trillions of dollars. The U.S road network consists of about 4 million miles, being the world’s largest, longest, and biggest transportation system. Paved roads account for 2.6 million miles, and 93% of them are surfaced with asphalt. However, a portion of the paved roads consists of asphalt overlaid concrete pavements, also known as composite pavements. When concrete pavements start to fail, they …
Investigating Sound And Gear Modification As A Means Of Reducing Shark Bycatch, Eduardo Josue Rangel
Investigating Sound And Gear Modification As A Means Of Reducing Shark Bycatch, Eduardo Josue Rangel
Electronic Theses and Dissertations
Sharks are unintentionally captured during commercial fishing operations and discarded, known as bycatch. Sharks captured in this manner have high mortality rates resulting in hundreds of millions of sharks killed annually. Longline operations have the highest instances of bycatch. In this study, two methods for reducing shark bycatch were investigated. A simple gear modification on longline leaders was tested by substituting monofilament (mono) leaders with ultra-high-molecular-weight polyethylene (spectra) leaders. A recording of thunder was tested during longline fishing for a deterrent effect. The experiments were conducted simultaneously on a 915 m longline with 50 leaders with each leader alternating between …
Latent Profiles Of Young Adults Based On E-Cigarette Outcome Expectancies, Victoria Alicia Torres
Latent Profiles Of Young Adults Based On E-Cigarette Outcome Expectancies, Victoria Alicia Torres
Electronic Theses and Dissertations
Background: While cigarette smoking has steadily declined, electronic cigarette use (e.g., e-cigarettes, electronic nicotine delivery systems [ENDS]) has led a new generation to become addicted to nicotine (Cummings & Proctor, 2014; USDHHS, 2014). Some individuals believe these products have the potential to provide benefits in helping smokers quit; however, many harmful aspects have been uniquely associated with e-cigarette use (e.g., toxicity, vape-specific injuries, gateway effects, etc.). If e-cigarettes are to be established as useful cessation tools, researchers must better understand e-cigarette use beliefs and associated clinical targets. Purpose: To better inform e-cigarette prevention and intervention, investigators developed profiles of young …
Preparation And Characterization Of 3d Printed Bioadhesive Delivery Systems, Mohammed Yahya Alyahya
Preparation And Characterization Of 3d Printed Bioadhesive Delivery Systems, Mohammed Yahya Alyahya
Electronic Theses and Dissertations
Drug delivery systems are evolving as pharmaceutical excipients and the manufacturing technologies evolve. Recently, 3D printing was introduced as a promising and versatile manufacturing technology of solid dosage forms from liquid, semi-solid, and solid intermediates. This work presents two examples of employing hot melt extrusion and fused deposition 3D printing technology to fabricate bioadhesive delivery systems loaded with miconazole. The first project shows a successful fabrication of four intraoral mucoadhesive film formulations, the formulations consist of different ratios of Eudragit RS, Hydroxypropyl cellulose EF (HPC EF), and Hypromellose HME 15LV. After the HME and 3DP fabrication of the films, the …
Investigating The Acoustic Properties Of Polymer Microspheres Suspended In Gelatin, Alexander Orlin Denette
Investigating The Acoustic Properties Of Polymer Microspheres Suspended In Gelatin, Alexander Orlin Denette
Electronic Theses and Dissertations
Recent advancements in materials science have produced materials that exhibit properties with values outside of naturally observed ranges. These properties are driven by overlapping, low order resonant modes, and are limited to small response ranges close to harmonic frequencies. This study aims to see if the same properties can be recreated with high order resonant modes from distributions of small scatterers. A method for holding random distributions of scatterers in space was created, and two types of acoustic measurements were taken. Resonant frequencies and their scattering order were identified, and the resulting scattered fields were resolved.
The Hollidays In Mississippi: A Documentary Project About Queer Family, Legacy, And Community Struggle, Christina Alison Huff
The Hollidays In Mississippi: A Documentary Project About Queer Family, Legacy, And Community Struggle, Christina Alison Huff
Electronic Theses and Dissertations
This MFA thesis accompanies a short documentary film encompassing a “passing of the torch” story between Eric White (GoDiva Holliday) and his drag daughter, Justin Tyler (DeePression Holliday.) After twenty years of performing and directing drag shows in Tupelo, MS, White makes the decision to let go of his passion and focus on himself. He ensures that his drag daughter, Holbrook, carries on the legacy of creating LGTBQ spaces in the conservative South. This story will also touch on the familial relationship between the two drag performers who both grew up in small-town Mississippi but in different eras. The work …
Exploratory Analysis Of Effects Of Data On Adversarial Perturbations, Hamza Ali Zafar
Exploratory Analysis Of Effects Of Data On Adversarial Perturbations, Hamza Ali Zafar
Electronic Theses and Dissertations
In recent years, the amount of data being produced has increased tremendously. This data has allowed us to create and train machine learning models that are being used nowadays. Though these models have proven to be very effective in classification and regression problems, they do have a vulnerability. This vulnerability is exploited by adding adversarial perturbations to the original data or in the deployed model. These adversarial attacks are done by making minute changes to the data to confuse the machine learning model. This can lead to models’ misrepresentation and drop the accuracy. For the span of this paper, I …
False Idol: The Memory Of Andrew Johnson And Reconstruction In Greeneville, Tennessee 1869-2022, Zachary A. Miller
False Idol: The Memory Of Andrew Johnson And Reconstruction In Greeneville, Tennessee 1869-2022, Zachary A. Miller
Electronic Theses and Dissertations
The memory of Andrew Johnson in Greeneville has progressed through three phases. The first phase began during Johnson’s post-presidential career when he sought national office to demonstrate his vindication. After Johnson died the first phase continued through the efforts of his daughters and local Unionists who sought to strengthen the myth of monolithic Unionism and use Johnson to promote reconciliation and to shield the region from federal intervention in the racial hierarchy. The second phase in the construction of Johnson’s memory began in 1908 when Northerners began to unite with white Southerners in white supremacy. East Tennesseans then celebrated the …
Induction Of Trained Immunity By Particulate Β-Glucan Controls Cancer Metastasis Through The Sphingolipids-Mediated Mitochondrial Fission Pathway., Rejeena Shrestha
Induction Of Trained Immunity By Particulate Β-Glucan Controls Cancer Metastasis Through The Sphingolipids-Mediated Mitochondrial Fission Pathway., Rejeena Shrestha
Electronic Theses and Dissertations
Metastasis is the leading cause of cancer-related deaths and innate immune cells are critical players in the metastatic microenvironment. Here, we explore the implications of harnessing the pre-metastatic niche myeloid cells through induction of trained immunity using a natural compound yeast-derived whole β-glucan particle (WGP). WGP training in macrophages results in an increased responsiveness to not only the conventional secondary stimulus LPS but also specifically to tumor cells and tumor-derived factors. WGP in vivo treatment leads to a trained immunity phenotype in lung interstitial macrophages (IMs). Induction of trained immunity by WGP inhibits tumor metastasis and enhances tumor-free survival in …