1,818 Works

Pitch-Based Carbon Fiber Derived from Coal Extract Liquids

Cierra Crowe
Limited coal coking operations and the use of coal-tar pitch as a binding agent in the production of metallurgical anodes has led to a limited availability of coal tar pitch for carbon fiber products. This has sparked interest in utilizing non-metallurgical coal-based liquids as an alternative to traditional coal tar from metcoke operations. This can be achieved by low severity solvent extraction, with heavy aromatic solvents, to produce coal liquids that act as precursor to...

Interdisciplinary Collaboration

Rose Campbell
In this study, a multi-component, rapid coaching intervention that included providing rationales, modeling, coaching during brief practice sessions, and performance-based feedback to train parents of children with communication delays to use naturalistic strategies during play. In addition, this study modeled successful interdisciplinary collaboration. A multiple baseline design across behaviors was used to evaluate the intervention and subsequent changes in the parent’s behavior. Results indicated that hat the rapid coaching model can be effective when it...

THE ROLE OF NITRIC OXIDE IN INTER- AND INTRA- CELLULAR SIGNALING IN PLANT DEFENSE

Fan Xia
Plants have evolved a sophisticated immune system to defend themselves against pathogens. This immune response can be triggered in response to pathogen-associated molecular patterns (PAMP) or specialized effectors that are recognized by the plant resistance (R) proteins. The latter, commonly referred to as effector-triggered immunity (ETI), is well known to induce broad-spectrum resistance throughout the plants. This phenomenon known as systemic acquired resistance (SAR) is regulated by several chemical signals including salicylic acid (SA), and...

Leveraging Community Health Workers’ Expertise in the Community to Address Food Insecurity in Appalachia

Alexis Kimbro Scott
Residents of the Appalachian region of Kentucky are disproportionately affected by poor social determinants of health that contribute to the persistence of food insecurity and diet related diseases in this region. Poverty levels persist in rural areas of the Appalachian region while they improve throughout the rest of the United States. As this further perpetuates food insecurity in rural Appalachia, it is critical to identify culturally sensitive solutions to food insecurity. Utilizing Community Health Workers...

THE BEST OF BOTH WORLDS

Kristy Zak
The purpose of this dissertation was to understand non-tenured and tenured teachers’, administrators’, and literacy support staff’s perceptions of the most imperative practices new teachers should know to teach reading in local elementary schools located in one regional state university’s service region. As well, this dissertation sought to determine the degree to which there was alignment between what is being taught in reading methods classes at one regional, state university with those practices. Questionnaire data...

Extraction of Deep Inelastic Cross Sections Using a 10.4 GeV Electron Beam and a Polarized Helium-3 Target

Murchhana Roy
Experiment E12-06-121 at Jefferson Lab aims to do a precision measurement of the neutron spin structure function g2 using inclusive inelastic scattering of electrons over a large kinematic range of x and Q2. The third moment of the linear combination of the spin structure functions g1 and g2, d2, is one of the cleanest higher twist observables and contains information on quark-gluon correlations. It is connected to the “color polarizability or “color Lorentz force” of...

Tracks/traces

Piotr Wojcik
Lexington, Kentucky is a key node in the global thoroughbred horse industry. This archival research examines the transformation of its horseracing and housing geographies during the 1930s by comparing the redevelopment of an old urban racetrack into federal public housing with the simultaneous development of a new racing plant in the nearby countryside. It analyzes the social and economic relations underlying this shift in addition to how these relations were naturalized by the new landscapes...

TEACHING CHILDREN TO USE INTERACTION STRATEGIES WITH THEIR YOUNGER SIBLINGS THAT ARE MINIMALLY VERBAL

Abby Rucker
Children that are minimally verbal often lack same- or near-age peer interaction outside of the home environment. This study attempted to bridge that gap by training older siblings of minimally verbal children to use interaction strategies during play sessions. Through this, researchers were able to examine both the fidelity of use of the trained interaction strategies as well as their effect of the younger siblings’ communication skills.

EFFECTS OF PHYSIOLOGICAL STAGE AND DIET ON DROSOPHILA SUZUKII OLFACTION

Aerianna Littler
Massive economic damage by spotted-wing drosophila (SWD), Drosophila suzukii, results from their unique egg laying behavior. Gravid SWD flies employ a complex suite of behaviors to find fruit with the optimum firmness and chemistry. We tested for SWD attraction to various fruits and found overripe raspberries to be most attractive to gravid flies which was unexpected since they oviposit in ripe fruit. We next tested the same choice assay in a T-maze and found that...

SIGNIFICANT LIFE EXPERIENCES OF KENTUCKY YOUTH CLIMATE ACTIVISTS

Jeri Howell
The purpose of this study is to better understand Kentucky youth climate activism. The research questions explore how youth define their climate activism in Kentucky, their Significant Life Experiences (SLE) that motivated them to commit to climate activism, and what challenges and sustains their involvement. This qualitative study utilizes a blended framework of social/environmental positionality and political ecology to analyze 7 semi-structured interviews with participants between the ages 18 to 24 years old who are...

Motivating the Protection of Others

Erin Hester
The term “wicked problems” is used to describe a constellation of social issues that are deeply entangled (Rittel & Webber, 1973). Although these social messes affect everyone in society, some people suffer more than others (Ackoff, 1974). Nevertheless, tackling wicked problems begins with recognizing our shared responsibility to ease the misfortune of others (Rittel & Webber, 1973). As such, they provide an ideal context to investigate the persuasive effectiveness of messages that encourage the protection...

EXAMINING SOCIAL MISSION IN KENTUCKY SOCIAL ENTERPRISES

Bo Milburn
Social Enterprises are business entities that incorporate social value creation into their business operations. This study aims to investigate, explore and share key insights gained through the lived experience of owners or managers of these organizations. The reputational method of sample selection was used to identify informed individuals who participated in interviews to share phenomenological knowledge by telling the stories of their organizations, describing how they manage the balance between profitability and sustainability, sharing observations...

DEMAND SYSTEM ANALYSIS OF BEER IN THE U.S. MARKET

Laxmi Adhikari
The onset of the COVID-19 pandemic has stimulated remarkable changes in consumer purchasing and consumption behavior of food and beverages. This inherently raises the question of what the demand for beer differentiated by brands in the U.S. during the pandemic is? To answer this question, we used the recent Nielsen scanner data and employed the Linear Approximated Almost Ideal Demand System (LA/AIDS) model to jointly estimate the demand for the five major brands: Budweiser, Coors,...

Twenty-First Century Adaptations of Early Twentieth Century American Protest Literature

Kathryn J. McClain
Twenty-First Century Adaptations of Early Twentieth Century American Protest Literature examines the resurgence of didactic political literature in the United States during the 21st century, specifically adaptations of early 20th century American leftist protest works by authors such as Upton Sinclair, Jack London, and Richard Wright. While the most political aspects of these writers’ fiction are often either criticized as too politically overt – such as Sinclair’s The Jungle and Wright’s Native Son – or...

\"Wearing A Mask to Each Other\"

Shannon Branfield
Sensation fiction, as a genre, offers a field to explore the ways in which ideologies of masculinity are negotiated, contested, and enforced. The Victorian man has no respite from social surveillance; the public is always watching, always evaluating the performance. As these sensation fiction novels build on each other, a portrait of male claustrophobia in response to unceasing surveillance is revealed. The pressure this constant scrutiny puts on Victorian men is immense and sensation novels...

HERSTORY

Rena Curvey
The purpose of this study was to explore women’s professional career experiences in sport psychology. Using qualitative methodology, seventeen female sport psychology practitioners participated in intensive semi-structured interviews from May 2021 to July 2021. This study resulted in two distinct manuscripts. First, guided by constructivist grounded theory methodology, embedded in a feminist standpoint framework, this study developed a grounded theory to help explain what sources attract and retain women in sport psychology. The developed theory...

A STUDY OF THE ANALYSIS OF HEMP-DERIVED OIL PRODUCTS

Erin Johnson
Human interactions with cannabis have a history spanning millennia as a source of fiber, food, and medicine. The plant came across Asia, Europe, and Africa with the movements of people and travelers eventually coming to the Americas with European explorers. In colonizing North America, cannabis fiber was key to the production of canvas and ropes for ships. Although fiber was the driver for cannabis production in the United States, medicinal uses were prevalent and propelled...

THE INFLUENCE OF SOCIOPOLITICAL FACTORS ON ADOLESCENTS’ AND YOUTHS’ DEVELOPMENT

banafsheh aghayeeabianeh
Youths and adolescents are one of the major perpetrators of antisocial and deviant behaviors, which have deleterious consequences for both the perpetrators and society. Although there is extensive literature on youth and adolescent antisocial behavior, some correlates of youth antisociality are not known yet. As such, the present study is devoted to understanding the micro- and macro-level predictors of youth and adolescents’ antisociality in three contexts. Three empirical studies applying bioecological systems theory and analyzing...

PRAY AND PLAY

Rasheed Flowers
Participation in athletics provides student-athletes with opportunities to further themselves outside of athletics through academic assistance, educational opportunities and experiences, physical wellness, and personal/professional development. One often overlooked portion of this holistic development is spiritual development. As demonstrated in the name student-athlete, it implies a dual identity. Few student-athletes navigate multiple identities and a myriad of additional challenges in their collegiate journey than African American football student-athletes (AAFSAs). Spiritual development is vital for student-athletes; the...

FANTASIES OF RACE AND PLACE

Mark Hines
Representations of fantasy settings in roleplaying games often draw upon understandings of the medieval and early Renaissance world. This dynamic often extends to racial politics in such worlds. For the contemporary roleplaying game, this often means that game mechanics are built around race, species, or gender. Often, players interpret such mechanics as a means of bioessentializing race or practicing stereotypes rooted in Eurocentric morality and values. This thesis examines the underlying rhetoric and implicit stakes...

An Automated Framework to Debug System-Level Concurrency Failures

Tarannum Shaila Zaman
The ever-increasing parallelism in computer systems has made software more prone to concurrency failures, causing problems during both pre- and post-development. Debugging concurrent programs is difficult because of the non-deterministic behavior and the specific sequences of interleaving in the execution flow. Debugging is a technique where programmers reproduce the bug, identify the root cause, and then take necessary steps to remove the bug from the system. The failure information may come from the bug reports...

Data from: A method to generate multi-locus barcodes of pinned insect specimens using MiSeq

Trace Akankunda, Hien To, Carlos R Lopez, Remko Leijs & Katja Hogendoorn
For molecular insect identification, amplicon sequencing methods are recommended because they offer a cost effective approach for targeting small sets of informative genes from multiple samples. In this context, high-throughput multilocus amplicon sequencing has been achieved using the MiSeq Illumina sequencing platform. However, this approach generates short gene fragments of less than 500 bp, which then have to be overlapped using bioinformatics to achieve longer sequence lengths. This increases the risk of generating chimeric sequences...

Spectral composition of light pollution affects melatonin suppression and West Nile virus infection resistance and mortality in the House Sparrow (Passer domesticus).

Meredith Kernbach, Vincent Cassone, Thomas Unnasch & Lynn Martin
Artificial light at night (ALAN) has become a pervasive anthropogenic stressor for both humans and wildlife. Although many negative impacts of ALAN on human health have been identified, the consequences for infectious disease dynamics are largely unexplored. With the increase in popularity of energy efficient light-emitting diodes (LEDs), the effects of spectral composition of ALAN have also come into question. Previous studies showed that exposure to low levels of incandescent ALAN extended the infectious period...

Phylogenetic relatedness mediates persistence and density of soil seed banks

Margherita Gioria, Petr Pyšek, Carol Baskin & Angelino Carta
Soil seed banks can strongly affect survival and expansion of plant populations by spreading mortality risks and distributing genetic diversity through time. Knowledge of the main factors regulating the ability of seeds to persist in the soil beyond the first growing season is however limited. While morphological and physiological seed traits, and the degree of environmental uncertainty are considered important in shaping the seed-banking strategies of plants, global assessments that explicitly account for phylogenetic relatedness...

Data from: Distinct cold tolerance traits independently vary across genotypes in Drosophila melanogaster

Mark Joseph Garcia, Aerianna S. Littler, Aditya Sriram & Nicholas Teets
The ability to cope with low temperature is a critical adaptation in thermally variable environments. Cold hardiness is comprised of several traits, including minimum temperatures for growth and activity, ability to survive severe cold, and ability to recover normal function after cold subsides. Across species, these traits are correlated and share physiological mechanisms, suggesting they were shaped by shared evolutionary processes. However, the extent cold hardiness traits and their associated mechanisms covary within populations has...

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