1,549 Works

Current Practices in Music Therapy with Bone Marrow and Organ Transplant Recipients

Heather Humphrey
There is limited research on music therapy for transplant recipients, yet board-certified music therapists working in medical settings often encounter individuals from the transplant population. The purpose of this study was to examine the current practices of music therapists working with bone marrow and organ transplant recipients. A total of 68 board-certified music therapists completed an online survey, providing information related to goal areas addressed in music therapy sessions and interventions frequently used with bone...

A Lithium Battery Current Estimation Technique Using an Unknown Input Observer

Daniel Cambron
Current consumption measurements are useful in a wide variety of applications, including power monitoring and fault detection within a lithium battery management system (BMS). This measurement is typically taken using either a shunt resistor or a Hall-effect current transducer. Although both methods have achieved accurate current measurements, shunt resistors have inherent power loss and often require isolation circuitry, and Hall-effect sensors are generally expensive. This work explores a novel alternative to sensing battery current by...

THREE ESSAYS ON EXPORT CONCENTRATION, INTERNATIONAL ENVIRONMENTAL AGREEMENTS, AND THE CARBON CONTENT OF TRADE

Mihai Paraschiv
A common finding in the international trade literature is that economic integration leads to export diversification. By documenting a positive link between joining the European Economic and Monetary Union and bilateral export concentration, the leading essay shows that this is not always the case. Using a panel data approach, I find that exports between the Eurozone members are on average more concentrated than those among countries which do not share the euro. Central to this...

An Intermodal Network Model of Coal Distribution in the United States and Its Economic Implications for the Inland Waterway System

Benjamin L. Blandford, Ted H. Grossardt, Michael Shouse & John Ripy
This paper describes a GIS-based intermodal network model for the shipment of coal in the United States. The purpose of this research was to investigate the role played by railways, waterways, and highways in the movement of coal from its source area to point of use, and to highlight the implications these movements have for the U.S. economy. The project team modeled coal movements across the U.S. intermodal transportation network using the Energy Information Administration’s...

Commercial Driver’s License (CDL) Workflow Study

Steven Andrew Martin, Candice Y. Wallace, Valerie J. Keathley & Jennifer R. Walton
Kentucky uses federally funded, time-limited (FFTL) employees to handle some of the administrative work necessary to meet federal compliance standards for commercial driver’s licenses (CDLs). The Federal Motor Carrier Safety Administration (FMCSA) has decided not to continue funding FFTLs for these purposes, meaning that states will have to find other ways to meet CDL program requirements and maintain compliance. Given the potential ramifications of losing federal transportation and enforcement funding due to lack of compliance...

FIELD, GEOCHRONOLOGIC, AND GEOCHEMICAL CONSTRAINTS ON LATE PRECAMBRIAN TO EARLY PALEOZOIC TERRANE ACCRETION IN THE SOUTHERN APPALACHIAN BLUE RIDGE PROVINCE

Emma A. Larkin
Xenolith-bearing orthogneiss of Amazonian affinity discovered in the Dellwood quadrangle in the Blue Ridge basement complex represents the oldest crustal component of the southern Appalachians (1.33 – 1.37 Ga: Quinn, 2012). New U-Pb zircon ages for migmatitic paragneiss of the Cartoogechaye terrane exposed in the Dellwood quadrangle reveal two unique detrital zircon age signatures that indicate either a local eastern Laurentian margin source or an exotic source. Detailed mapping, whole rock geochemistry, and U-Pb zircon...

NOVEL SPOXAZOMICINS DERIVED FROM STREPTOMYCES SP. RM-14−6 ATTENUATE ETHANOL INDUCED CYTOTOXICITY IN VITRO

Meredith A. Saunders
An estimated 13.9% of Americans currently meet criteria for an alcohol use disorder. Ultimately, chronic alcohol use may result in neurological deficits, with up to 85% of alcoholics exhibiting signs of cognitive decline. However, biochemical and behavioral factors contributing to this decline have remained elusive. Our ongoing research program encompasses a multi-tiered screening of a natural product library and validation process to provide novel information about mechanisms underlying these deficits and to identify novel chemical...

Translating Research into Action

Steven H. Woolf, Jason Q. Purnell, Sarah Simon, Emily B. Zimmerman, Amber Haley, Gabriela J. Camberos & Robert Fields
The research community faces a growing need to deliver useful data and actionable evidence to support health systems and policymakers on ways to optimize the health of populations. Translating science into policy has not been the traditional strong suit of investigators, who typically view a journal publication as the endpoint of their work. They are less accustomed to seeing their data as an input to the work of communities and policymakers to improve population health....

THE ROLE AND IMPACT OF SCHOOL NURSES AND INTENTIONS TO DELEGATE DIABETES-RELATED TASKS AMIDST BUDGET CUTS AND LEGISLATIVE CHANGES

Michelle J. Lineberry
As the percentage of school children with chronic conditions such as diabetes continues to rise, funding for school nurses to keep those students healthy and safe is decreasing. This dissertation includes three studies: (1) a systematic review of the literature on the role and impact of American elementary school nurses, (2) a focus group study that further examined the role of Kentucky school nurses and described their reaction to a new regulation that necessitates delegation...

DEVELOPMENT OF COCAINE HYDROLASE FOR THERAPEUTIC TREATMENT OF COCAINE ABUSE

Xiabin Chen
Cocaine abuse is a world-wide public health and social problem without a U.S. Food and Drug Administration (FDA)-approved medication. An ideal anti-cocaine medication would accelerate cocaine metabolism producing biologically inactive metabolites by administration of an efficient cocaine-specific exogenous enzyme. Recent studies in our lab have led to discovery of the desirable, highly efficient human cocaine hydrolases (hCocHs) that can efficiently detoxify and inactivate cocaine without affecting normal functions of central nervous system (CNS). Preclinical and...

SMALL SATELLITE NONCOMMUTATIVE ROTATION SEQUENCE ATTITUDE CONTROL USING PIEZOELECTRIC ACTUATORS

Joshua L. Evans
Attitude control remains one of the top engineering challenges faced by small satellite mission planning and design. Conventional methods for attitude control include propulsion, reaction wheels, magnetic torque coils, and passive stabilization mechanisms, such as permanent magnets that align with planetary magnetic fields. Drawbacks of these conventional attitude control methods for small satellites include size, power consumption, dependence on external magnetic fields, and lack of full control authority. This research investigates an alternative, novel approach...

The Impact of Receiver Sex on Feedback Message Choice by Supervisors and the Influence on Employees' Attitudes and Behaviors

Amanda Ruth Slone
The present study investigated the influence of receiver sex on supervisor’s feedback message choice, and the influence of the interaction between receiver sex and feedback message type on employees’ subsequent behaviors and attitudes. Participants (N = 45) included a representative sample from a reputable organization in the southeastern United States. Both quantitative and qualitative data were collected using a survey methodology. This mixed-methods approach revealed that while participants in this study rated the overall atmosphere...

RELATIONSHIPS BETWEEN BEHAVIORAL MEASURES AND PRODUCTIVITY IN FINISHING BEEF CATTLE

Jasmyn Mimiko
The relationship between measures of temperament, growth performance, and social hierarchy in finishing beef cattle were explored in two experiments. In experiment 1, high OCS (objective chute score) steers had periods of significantly higher ADG (P < 0.01), but OCS had no relationship with dominance ranking (P > 0.47). Conversely, slow exit velocity (EV) correlated with higher ranking (P ≤ 0.06), but EV had no relationship with performance (P > 0.37) in a competitive environment....

The Sensemaking Experience of Newly Appointed District Teacher Leader Coordinators

Jill L. Janes
In an effort to address diverse needs in K-12 education, policymakers have proposed initiatives to increase the leadership opportunities for classroom teachers. Although teachers have undertaken leadership roles in schools throughout history, the notion of teacher leadership spurred by policy is in the emergent stages. As educators and leaders in various roles implement teacher leadership policy, learning must ensue at both an individual and collective level to adapt schools to a new model of leadership....

CONTINUOUS TIME MULTI-STATE MODELS FOR INTERVAL CENSORED DATA

Lijie Wan
Continuous-time multi-state models are widely used in modeling longitudinal data of disease processes with multiple transient states, yet the analysis is complex when subjects are observed periodically, resulting in interval censored data. Recently, most studies focused on modeling the true disease progression as a discrete time stationary Markov chain, and only a few studies have been carried out regarding non-homogenous multi-state models in the presence of interval-censored data. In this dissertation, several likelihood-based methodologies were...

THE CHALLENGES OF COMMUNICATING LOW PROBABILITY AND HIGH CONSEQUENCE RISK

Emina Herovic
The Crisis and Emergency-Risk Communication (CERC) model is effective in providing communication recommendations for public health agencies and shows potential for use by other agencies with similar crises characterizations. The current study explores the challenges of earthquake scientists in communicating earthquake risk during the pre-crisis stage in order to grasp experts’ experience and gain insight into the complex and multifaceted world of communicating earthquake risk. The researcher integrates the in-depth knowledge with the recommendations of...

IMPLEMENTING KENTUCKY’S COLLEGE READINESS AGENDA

Todd Baldwin
Nearly two-thirds of undergraduate college students within the United States fail to graduate within six years because they are unprepared for postsecondary education. Thus, many states have embarked on policy reform movements centered on college and career readiness for all high school graduates. This study focused on Kentucky’s efforts to implement four key initiatives—accelerated learning, secondary interventions, college and career readiness advising, and persistence to graduation—resulting from sweeping reform policies enacted in 2009 by the...

ELASTIC COMPTON SCATTERING FROM DEUTERIUM NEAR 100 MEV

Khayrullo Shoniyozov
Tagged photons from 81 to 116 MeV were used to measure elastic Compton scat- tering cross sections from deuterium and carbon targets at the MAX-lab facility in Lund. Scattered gamma rays were detected in three very large NaI(Tl) crystals with sufficient energy resolution to isolate deuterium elastic yields at scattering angles of 60°, 90°, 120° and 150°. Calculations indicate that back-angle Compton scattering on deuterium in this energy range is sensitive to the electric and...

PSYCHOLOGICAL DISTRESS AND CARDIAC DISEASE

Tracey Vitori
The purpose of this dissertation was to evaluate the association of psychological distress with cardiac disease, events, and mortality. Specific aims were to: 1) to evaluate the association between hostility level and recurrence of acute coronary syndrome (ACS) and all-cause mortality in patients with coronary heart disease (CHD); 2) to evaluate the psychometric properties of the Brief Symptom Inventory (BSI) hostility and anxiety subscales in a group of incarcerated participants at high risk of cardiovascular...

MUSIC FOR BRASS QUINTET WITH ORCHESTRAL ACCOMPANIMENT

Stacy L. Simpson
Today’s leading brass chamber ensemble is the brass quintet, whose inception was relatively late compared to the string quartet or woodwind quintet. The first modern brass quintet formed in the 1950s, while the first string quartet can be traced to the 17th century. Compositions for woodwind quintet were written as early as 1811 during the Classical Period. The New York Brass Quintet, American Brass Quintet, and Annapolis Brass Quintet commissioned a large portion of the...

EFFECTS OF COMPUTER-ASSISTED INSTRUCTION USING MULTIPLE VIDEO EXEMPLARS TO INCREASE SAFETY SKILL KNOWLEDGE WITH STUDENTS WITH INTELLECTUAL DISABILITY

Katherine E. Shelton
The purpose of the study was to assess the effect of a treatment package consisting of computer-assisted instruction using multiple video exemplars to teach safety skills to students with intellectual disability. A multiple probe across participants design was used to evaluate knowledge acquisition and the generalization of knowledge to the authentic setting (e.g, the school parking lot). The results showed training was effective in knowledge acquisition and improving skills demonstrated while crossing the parking lot.

ACUTE KIDNEY INJURY IN PATIENTS TREATED WITH VANCOMYCIN AND PIPERACILLIN-TAZOBACTAM

Wilbur Cliff Rutter
Empiric antimicrobial therapy often consists of the combination of Gram-positive coverage with vancomycin (VAN) and Gram-negative coverage, specifically an anti-pseudomonal beta-lactam, such as piperacillin-tazobactam (PTZ). Nephrotoxicity is commonly associated with VAN therapy; however, recent reports demonstrate increasing nephrotoxicity rates among patients treated with the combination of VAN and PTZ. This study evaluated the effect of the VAN/PTZ combination on acute kidney injury (AKI), as defined by the RIFLE criteria, compared to VAN and PTZ monotherapies....

Reductions of Wheat Yield and Yield Components and Nitrogen Loss Following Frozen Soil Nitrogen Applications

Carrie Ann Knott, Edwin L. Ritchey & Lloyd W. Murdock
Most wheat producers in Kentucky apply nitrogen (N) as a split application. The first N increment is applied when wheat plants begin actively growing (green-up) in late winter, which is typically in mid- February between growth stages Feekes 2 to 3. The second N increment typically occurs in March when wheat is between Feekes 5 to 6. Many producers in Kentucky, especially Western Kentucky, have become accustomed to beginning first N applications in late January...

USING CONVENTIONAL AND IN SITU TRANSMISSION ELECTRON MICROSCOPY TECHNIQUES TO UNDERSTAND NANOSCALE CRYSTALLOGRAPHY

Bethany M. Hudak
Transmission electron microscopy (TEM) is a powerful tool for studying solidstate crystalline systems. With the advances in aberration correction, monochromation, and in situ capabilities, these microscopes are now more useful for addressing fundamental materials chemistry problems than ever before. This dissertation will illustrate the ways in which I have been using high-resolution imaging and in situ heating in the TEM during my Ph.D. research to investigate unique solid state chemistry questions. This dissertation will focus...

In Search of a Class of Representatives for SU-Cobordism Using the Witten Genus

John E. Mosley
In algebraic topology, we work to classify objects. My research aims to build a better understanding of one important notion of classification of differentiable manifolds called cobordism. Cobordism is an equivalence relation, and the equivalence classes in cobordism form a graded ring, with operations disjoint union and Cartesian product. My dissertation studies this graded ring in two ways: 1. by attempting to find preferred class representatives for each class in the ring. 2. by computing...

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