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Articles 1 - 30 of 85
Full-Text Articles in Arts and Humanities
Cortical Thickness In Amnestic Mild Cognitive Impairment And Its Relationships With Neuropsychological Functioning And Financial Capacity, Jacquelynn Nicosia Copeland
Cortical Thickness In Amnestic Mild Cognitive Impairment And Its Relationships With Neuropsychological Functioning And Financial Capacity, Jacquelynn Nicosia Copeland
All ETDs from UAB
Diagnostic criteria for amnestic mild cognitive impairment (aMCI) include subjective memory complaint, objective memory impairment, preserved general cognitive function, intact functional abilities, and absence of dementia diagnosis (Petersen, 2004). However, there is evidence to suggest that some aMCI patients show declines in complex instrumental activities of daily living. Under the conceptual model proposed in this study, neuropathological changes occurring in the brain of aMCI and Alzheimer's disease (AD) patients underlie specific forms of neurocognitive dysfunction, which in turn drive decline in everyday functional skills such as financial capacity. The current study examined the relationships between structural brain changes in aMCI, …
An Examination Of The Feeding Preferences Of The Freshwater Amphipod Hyalella Azteca For Aquatic Vascular Plants And Macro Algae: The Potential Roles Of Prey Nutrional Quality, Chemical And/Or Structural Defenses, Kevin Emmanuel Scriber
An Examination Of The Feeding Preferences Of The Freshwater Amphipod Hyalella Azteca For Aquatic Vascular Plants And Macro Algae: The Potential Roles Of Prey Nutrional Quality, Chemical And/Or Structural Defenses, Kevin Emmanuel Scriber
All ETDs from UAB
Many factors influence the palatability and feeding preferences of predators for their prey. The present study tested the null hypothesis that the common freshwater amphipod Hyallela azteca presented three species of vascular plants and two species of filamentous algae displayed feeding rates indicative of no differences in prey palatability. Differences in prey palatability were found and pairwise-choice feeding assays were conducted and preferences for particular foods established. Subsequent feeding bioassays using standard techniques demonstrated that tissues of the vascular plant Vallisneria americana were chemically defended against amphipod grazing, and that extracts from this vascular plant could inhibit feeding by amphipods …
Effects Of Light Spectra And Uv Radiation In Relation To Dietary Carotenoids On The Sea Urchin Lytechinus Variegatus, James Christopher Taylor
Effects Of Light Spectra And Uv Radiation In Relation To Dietary Carotenoids On The Sea Urchin Lytechinus Variegatus, James Christopher Taylor
All ETDs from UAB
An important factor in the marketability of sea urchin gonad is color. A marketable color is suggested to be dependent upon the in vivo accumulation of red and yellow carotenoid pigments within the gonad. Carotenoids obtained through the diet can be modified in sea urchins, but the function of these carotenoids is unknown. We hypothesize that differential light exposure can affect carotenoid deposition and, as a consequence, gonad color in sea urchins. We performed two experiments to determine if light spectra affect gonad color of Lytechinus variegatus. In the first experiment, urchins were fed a formulated feed supplemented with or …
The Effects Of Extremes Of Ph On The Growth And Transcriptomic Profiles Of Three Haloarchaea, Aida Moran-Reyna
The Effects Of Extremes Of Ph On The Growth And Transcriptomic Profiles Of Three Haloarchaea, Aida Moran-Reyna
All ETDs from UAB
The Archaea represent a fascinating domain of life where each species comprises a hybrid of bacterial and eukaryal features. Unfortunately, there have been few investigations of the Archaea and many fundamental questions remain regarding their biochemistry, genetics, and genomics. One reason for this is that few archaea are amenable to detailed experimental analysis; however, a few halophilic archaea (haloarchaea) can be easily manipulated in the laboratory and contain a sequenced genome, allowing for bioinformatics studies, such as recording changes in the transcriptomes. Haloarchaea are found wherever seawater is concentrated above 2 M NaCl and contain a similarly high concentration of …
Making Room For A Restorative Response To Conflict: Challenging The Retributive Paradigm In American Journalism, Cynthia Duggan Mwenja
Making Room For A Restorative Response To Conflict: Challenging The Retributive Paradigm In American Journalism, Cynthia Duggan Mwenja
All ETDs from UAB
Reactions to current events from across the political spectrum highlight a journalistic retributive narrative framework that is ubiquitous in the American media. News articles from the childhood obesity debate support claims that journalists on both left and right interpret this story - and by implication, all stories - through a retributive cultural lens. Burke's rhetorical analysis tool, dramatism, is used to examine the rhetoric on all sides of the issue and demonstrate the common retributive aspects of the narratives, regardless of the social or political orientations of the writers and their affiliations. The retributive narrative is connected to American justice …
Laminations And The Dynamics Of Iterated Cubic Polynomials, Ross Ptacek
Laminations And The Dynamics Of Iterated Cubic Polynomials, Ross Ptacek
All ETDs from UAB
In this dissertation we study the Julia sets of cubic polynomials using both analytic and topological methods. The main topological method that we employ is the use of invariant laminations to model polynomial Julia Sets. Our particular focus is on polynomials from the boundary of the degree three Principal Hyperbolic Domain. Such polynomials have simple yet nontrivial dynamics. Furthemore, they satisfy certain conditions on their periodic cut points. We call the set of polynomials which satisfy these conditions the Main Cubioid and characterize laminations that correspond to such polynomials. Small perturbations of a quadratic polynomial with an indifferent fixed point …
High Frequency Resolution Terahertz Time-Domain Spectroscopy, Bagvanth Reddy Sangala
High Frequency Resolution Terahertz Time-Domain Spectroscopy, Bagvanth Reddy Sangala
All ETDs from UAB
A new method for the high frequency resolution terahertz time-domain spectroscopy is developed based on the characteristic matrix method. This method is useful for studying planar samples or stack of planar samples. The terahertz radiation was generated by optical rectification in a ZnTe crystal and detected by another ZnTe crystal via electro-optic sampling method. In this new characteristic matrix based method, the spectra of the sample and reference waveforms will be modeled by using characteristic matrices. We applied this new method to measure the optical constants of air. The terahertz transmission through the layered systems air-Teflon-air-Quartz-air and Nitrogen gas-Teflon-Nitrogen gas-Quartz-Nitrogen …
Psychological Effects Of Spiritually Integrated Therapy For Infertile Women, Shiquina Andrews
Psychological Effects Of Spiritually Integrated Therapy For Infertile Women, Shiquina Andrews
All ETDs from UAB
Like other medical conditions, infertility is often unforeseen and difficult to resolve. Though both genders are impacted, women exhibit the most psychological distress following the diagnosis. Among other coping strategies, some women use their religious or spiritual beliefs to cope with the crisis of infertility. While projects investigating the role of spirituality in mental and physical health are growing in momentum, none has integrated religious or spiritual beliefs into a formal psychological intervention for infertile women. This project aimed to evaluate the efficacy, feasibility, and acceptability of such a 6-week, phone-based, spiritually-integrated therapy (SIT) program for infertile women. In the …
Targeting Ovarian Cancer Through Epigallocatechin Gallate And Sulforaphane Combinational Treatment, Huaping Chen
Targeting Ovarian Cancer Through Epigallocatechin Gallate And Sulforaphane Combinational Treatment, Huaping Chen
All ETDs from UAB
The cellular development of resistance to chemotherapy contributes to the high mortality noted in patients affected by ovarian cancer. Novel compounds that can enhance efficacy of conventional chemotherapy or target both drug-sensitive and -resistant ovarian cancers directly are highly desired. Previous epidemiological studies indicate that consumption of green tea and cruciferous vegetables is inversely associated with occurrence of ovarian cancer. Therefore, revealing the effects and mechanisms of major components of green tea (epigallocatechin gallate, EGCG) and cruciferous vegetables (sulforaphane, SFN) on ovarian cancer cells will provide necessary knowledge for developing potential novel treatments for the disease. Since drug resistance generation …
Assessing Sociometric Status And Impacts Of Behavior Problems In Preschool Children With Autism Spectrum Disorders, Sarah Ellen Edwards Leger
Assessing Sociometric Status And Impacts Of Behavior Problems In Preschool Children With Autism Spectrum Disorders, Sarah Ellen Edwards Leger
All ETDs from UAB
Obtaining information regarding the social status of preschool children with Autism Spectrum Disorders (ASD) has not been a focus of any sociometric research to date. It is also unknown whether the impact of social behavior problems on the social status of children with ASD emerges before school age. This study addressed this gap by examining the social status of young children with ASD. Data were collected at an early intervention preschool program designed for children with ASD. Both students and teachers provided information on acceptance, rejection and popularity. Results indicate that students and teachers reported children with ASD to have …
Predictors Of Falls Among Older Adults, Jaspreet Kaur
Predictors Of Falls Among Older Adults, Jaspreet Kaur
All ETDs from UAB
With an aging population, more attention has to be focused on the needs of older adults, especially regarding medical and psychological concerns. Thirty-three percent of older adults fall each year, and falling is one of the leading causes of accidental death nationwide. The objective of this study was to identify predictors of falls among sedentary community-dwelling older adults (age 65+). The study employed a secondary data analysis of measures collected in the Physical and Cognitive Exercise Study (PACES). Logistic regression analysis was used to evaluate whether individual or composite measures of vision, cognition, and physical functioning were associated with an …
Resonances And Inverse Scattering, Matthew Bledsoe
Resonances And Inverse Scattering, Matthew Bledsoe
All ETDs from UAB
Inverse scattering problems for Sturm-Liouville differential equations find numerous applications in physics, in particular, quantum mechanics. While the theory of these problems has been developed over a number of decades, a more recent concern has been the use of resonances, important phenomena in physics, as data — the inverse resonance problem. In this dissertation, we address this problem in a variety of cases. First, we investigate the full-line Schroedinger equation where the data for the inverse problem include the eigenvalues and resonances. We prove that any two potentials that have enough data points sufficiently close together must also be close …
Identification Of Staphylococcus Aureus Sortase A Inhibitors As Potential Antibacterial Agents, Bala Chandra Chenna
Identification Of Staphylococcus Aureus Sortase A Inhibitors As Potential Antibacterial Agents, Bala Chandra Chenna
All ETDs from UAB
Staphylococcus aureus (S. aureus) is the causative organism for a wide range of infectious diseases from superficial skin infections to dangerous bacteremias. Six pathogens named ESKAPE pathogens are responsible for majority of antibiotic resistant bacterial infections. MRSA is the single most prevalent ESKAPE pathogen. Many of the nosocomial MRSA strains are multi-drug resistant, and even methicillin-sensitive strains can be deadly. S. aureus has recently taken on a new role in causing an escalating number of community-acquired infections in non-hospitalized persons without predisposing risk factors. Due to the increase in the number of infections caused by multi-drug resistant S. aureus and …
Frequency Of Exercise Training's Effect On Psychological Outcomes In Older Women, William Neumeier
Frequency Of Exercise Training's Effect On Psychological Outcomes In Older Women, William Neumeier
All ETDs from UAB
Objectives: Exercise training by older adults has demonstrated many health benefits, including improved cognition and psychological well-being. The optimal frequency of combined aerobic exercise training (AET) and resistance exercise training (RET) is unknown. The purpose of this study was to examine whether exercise improves body image, esteem, depression, and mood, among older women, and whether improvements differ by frequency of exercise. Methods: Post-menopausal women (N = 64) over the age of 60 (64.79 ± 3.74) were randomly assigned to one of three groups. Group 1 completed two exercise sessions (1 AET, 1 RET) per week, Group 2 completed four sessions …
Epigenetic Regulation Of Hippocampus-Dependent Learning, Laura Qadri
Epigenetic Regulation Of Hippocampus-Dependent Learning, Laura Qadri
All ETDs from UAB
Knowledge of the molecular mechanisms that underlie learning and memory has advanced a great deal. Research into the role of epigenetics, or modifications above the genome, has the promise of providing an even greater understanding of the precise mechanisms involved in memory formation. Studies of epigenetic regulation of memory in the rodent hippocampus have primarily focused on associative learning using contextual fear conditioning. While these studies have provided valuable insight into the role that epigenetics plays in cognition, it remains to be seen whether the findings generalize to other forms of hippocampus-dependent learning. This work examines the role of epigenetic …
Mid - Infrared Solid State Lasers For Spectroscopic Applications, Yuri Terekhov
Mid - Infrared Solid State Lasers For Spectroscopic Applications, Yuri Terekhov
All ETDs from UAB
This work is devoted to study of novel high power middle-infrared (Mid-IR) laser sources enabling development of portable platform for sensing of organic molecules with the use of recently discovered Quartz Enhanced Photo Acoustic Spectroscopy (QEPAS). The ability to detect small concentrations is beneficial to monitor atmosphere pollution as well for biomedical applications such as analysis of human breath to detect earlier stages of cancer or virus activities. A QEPAS technique using a quartz tuning fork (QTF) as a detector enables a strong enhancement of measured signal when pump laser is modulated with a frequency coinciding with a natural frequency …
The Bus Transit System In Birmingham: A Rider's Approach, Jennifer Elaine Harrell
The Bus Transit System In Birmingham: A Rider's Approach, Jennifer Elaine Harrell
All ETDs from UAB
Citizen participation has become an integral part of implementing bus transit oriented development in many U.S. cities. The method of bus rider surveying is a traditional technique used to encourage diverse citizen participation. From November 2012 to January 2013, a Birmingham bus rider survey questionnaire study was conducted in the BJCTA (Birmingham-Jefferson County Transit Authority) Central Station lobby. Although previous BJCTA bus rider surveys have been used to gather accurate route and demographic data, there has never been a bus rider survey that addresses the quality of transit service and performance in the Birmingham-Jefferson County area. In 2000, the National …
Homoepitaxial Deposition Of Boron-Doped Single Crystal Diamond, Sunil Kumar Lal Karna
Homoepitaxial Deposition Of Boron-Doped Single Crystal Diamond, Sunil Kumar Lal Karna
All ETDs from UAB
The boron-doped single crystal diamond films were grown homoepitaxially on synthetic (100) Type Ib diamond substrates using a microwave plasma assisted chemical vapor deposition. The optical transmittance of the films was observed to change with the increasing boron content in the film. The effect of boron and nitrogen on the surface morphology of the film has been studied using atomic force microscopy. Use of nitrogen in process gas during boron doping improves the surface topography as well as gives rise to an increase in growth rate of diamond film. However, presence of nitrogen in the process gas significantly lowers the …
Clear Cut Lines:Reconsidering Max Beckmann's Influences, Annie Suzanne White
Clear Cut Lines:Reconsidering Max Beckmann's Influences, Annie Suzanne White
All ETDs from UAB
Max Beckmann came of age when the art world was rapidly changing in the early twentieth century. Beckmann did not fall into any one artistic movement and was often at odds with his contemporaries. Because of these factors it is difficult to discuss his influences without hyper-focusing on just one influence as a way to explain his artistic progression and style. The scholarship has tended to place specific chronological frames around parts of Beckmann's work and focus on just one influence in isolation. Beckmann's influences need to be viewed in a more holistic continuous fashion. This thesis examines the most …
Neural Mechanisms Supporting The Learning-Related Emotional Response To A Threat, Kimberly H. Wood
Neural Mechanisms Supporting The Learning-Related Emotional Response To A Threat, Kimberly H. Wood
All ETDs from UAB
Successful regulation of the emotional response to a threat allows one to react more effectively under threatening conditions. The prefrontal cortex (PFC) and amygdala are key brain regions that mediate the regulation and expression of emotion. We employed Pavlovian fear conditioning to investigate the neural mechanisms that influence the emotional response to a threat. These procedures were designed to investigate conditioned diminution of the unconditioned response (UCR). The specific aims were to better understand the role of associative learning, expectation, controllability, and predictability in modulating UCR expression. This project employed functional magnetic resonance imaging (fMRI) to assess the magnitude of …
Characterization Of Legal Highs And Their Pyrolysis Products, Emily Denise Bouso
Characterization Of Legal Highs And Their Pyrolysis Products, Emily Denise Bouso
All ETDs from UAB
Legal highs are any mind-altering substance produced and sold in a manner to avoid the legal consequences of illicit substances. They have been advertised and sold as Spice, Bath Salts, plant food, and research chemicals. Not only are these drugs presenting major problems to law enforcement, but also to health care providers. The exact composition for many of these substances is not known. Therefore, treatment for patients who have taken these drugs is limited to symptomatic care. Harmful exposure to these substances is not limited to the primary components within the drugs, but can include potentially toxic by-products that result …
An Examination Of The Molecular Mechanism Of E. Coli Clpap Catalyzed Polypeptide Translocation, Justin Mark Miller
An Examination Of The Molecular Mechanism Of E. Coli Clpap Catalyzed Polypeptide Translocation, Justin Mark Miller
All ETDs from UAB
ATP-dependent proteases catalyze the removal of both misfolded and properly folded proteins in cellular quality control pathways. ClpAP shares a structural homology with other ATP-dependent proteases where a hexameric ring of ClpA associates with one or both ends of the cylindrically-shaped protease ClpP, which contains serine protease active sites sequestered in its inner core. ClpA contains two nucleotide binding domains where ATP is bound and hydrolyzed, termed Domain 1 (D1) or 2 (D2). D1 has been shown to be primarily responsible for ClpA oligomerization, but both domains appear to support polypeptide translocation independently. We previously reported a molecular mechanism for …
From Family Violence To Dating Violence: Testing The Dual Pathway Model, Anjana Madan
From Family Violence To Dating Violence: Testing The Dual Pathway Model, Anjana Madan
All ETDs from UAB
Family violence in childhood is an established predictor of later adolescent dating violence. Additional predictors of adolescent dating violence include individual beliefs about violence, peer interactions, aggressive behavior, and cross-gender violence. However, these factors have not been integrated into a single comprehensive model of dating violence development. Thus, using the proposed dual pathway model, the present study examined prospective links between family violence exposure in pre-adolescence; proviolent beliefs, aggression, deviant peer affiliation, and cross-gender violence in early adolescence; and dating violence involvement in late adolescence; as well as examined gender and ethnic differences in these relationships. A sample of 456 …
Temp, Callie Gartrell Mauldin
Temp, Callie Gartrell Mauldin
All ETDs from UAB
Temp is a collection of short stories about four young women living in New York City. Each woman struggles with her own identity while tethered to a family past that informs her current situation. Through failures and flirtations with disaster, Hannah, Anna, Liz, and Rachel learn how to accept themselves and the lives they've been dealt. The stories, ultimately, explore loss and acceptance through connections and relationships with others.
Science Of Sleep: Tracing The Visual Language Of Dreams From Fuseli To Gondry, Bethany Mcclellan
Science Of Sleep: Tracing The Visual Language Of Dreams From Fuseli To Gondry, Bethany Mcclellan
All ETDs from UAB
Periods of intense visual and scientific exploration of dreams include the late eighteenth and early nineteenth-century Romantic movement, the early twentieth-century publication of Sigmund Freud's Interpretation of Dreams and corresponding Surrealist movement, and the contemporary era. Primary themes established by Romantic scholars and artists and expanded upon by Freud and the Surrealists resonate in contemporary dream theory and visual art. These themes include: an interest in the relationship between the dreaming mind and the creative process, childhood cognition, perceptual effects of visual art, the purpose and function of dreams, and the associational abilities of the dreaming mind. Using Michel Gondry's …
The Effect Of Incentive Strategy On Health Behaviors And Outcomes In The Workplace, Lindsay M. Sutton
The Effect Of Incentive Strategy On Health Behaviors And Outcomes In The Workplace, Lindsay M. Sutton
All ETDs from UAB
This study examined participation, engagement, and achievement of health-related targets under two sequentially administered wellness programs for approximately 2,000 full-time city personnel of a Southern municipal government. Program A utilized paper fliers and community posters as the primary communication strategy and incented employees for achieving 3 health outcomes only by a lump-sum, one-time monetary reward distributed at the end of the year. Program B subsequently utilized a web-based site where employees logged into individualized accounts and received points that accrued for both completing behaviors and achieving health outcomes. Both electronic and paper communication strategies were utilized to as primary mediums …
The Effects Of High Pressure On Magnetic Transitions In Heavy Rare Earth Metals, Sarah Thomas
The Effects Of High Pressure On Magnetic Transitions In Heavy Rare Earth Metals, Sarah Thomas
All ETDs from UAB
Rare earth metals bear close resemblance to the 5f actinide metals that are critical to nuclear stockpile stewardship research. To better understand these materials, we have studied erbium, holmium, and terbium under high pressure and low temperatures in order to elucidate the magnetic transitions as these materials are compressed to different crystallographic phases. In erbium, we have undertaken four-probe electrical resistance measurements in a diamond anvil cell to temperatures as low as 10 K and pressures up to 20.3 GPa. We have also conducted x-ray diffraction measurements on erbium to 10 K and 20.4 GPa. In the electrical resistance measurements …
Documenting Death: Transitioning From A County Coroner System To A Medical Examiner System In Jefferson County, Alabama, Nathaniel Lane Wade
Documenting Death: Transitioning From A County Coroner System To A Medical Examiner System In Jefferson County, Alabama, Nathaniel Lane Wade
All ETDs from UAB
A coroner and a medical examiner are legal certifiers of death. A coroner is an elected official who often lacks formal medical training. A medical examiner is usually an appointed official who has formal medical training in forensic pathology. Each state within the U.S. can be comprised of a coroner system, a medical examiner system, or a blended statewide system. The coroner or the medical examiner documents the cause and manner of death of a person both on a report and on a death certificate. Deaths are classi-fied as natural, accidental, suicide, homicide, or undetermined. In 1978, Jefferson County, Alabama …
Age Cohorts And Emotional Attachment To Mobile Phones, Amanda Warr
Age Cohorts And Emotional Attachment To Mobile Phones, Amanda Warr
All ETDs from UAB
ABSTRACT Mobile phones have become integral to the way people communicate. Although mobile phone ownership is nearing saturation in the United States, use patterns differ among age cohorts. Another difference is the degree to which members of different age cohorts depend on their mobile phones. I explore emotional attachment to mobile phones and how it differs by age cohorts. Using data from a national survey of U.S. adults, I examine whether cohorts differ in attachment to their mobile phones, even when controlling for diversity of technology use. The results illustrate that there are important differences in attachment to mobile phones …
Eight Days In Oak Lake, Cyndi Eubanks
Eight Days In Oak Lake, Cyndi Eubanks
All ETDs from UAB
Eight Days in Oak Lake is an incomplete fictional novel about teenage Laine Reardon, who finds her life in turmoil after her family embarks on a trip to Oak Lake, Mississippi, for a family reunion. On the trip, Laine learns a disturbing secret about her father, and she is reunited with her childhood friend, Jake Donnelly. With sisters she often does not understand and parents who have their own problems, Laine seeks solace in the now-grown boy she grew up with. As she struggles to understand her feelings for Jake and deal with the revelation about her father, Laine is …