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Articles 10561 - 10590 of 38141
Full-Text Articles in Entire DC Network
Anatomical Life Drawing For The Illustrator, Amy Lemmon
Anatomical Life Drawing For The Illustrator, Amy Lemmon
Birmingham Poetry Review
p. 173-175
Seven American Sentences, Ananda Lima
Creature Comfort, Amy Lemmon
Photograph Of Water As A Mass Noun, Ananda Lima
To The Next To Last Howard Johnson’S, Deborah Pope
To The Next To Last Howard Johnson’S, Deborah Pope
Birmingham Poetry Review
pp. 218-219
What's Left, January Gill O'Neil
The Smile Attractiveness Of Patients Successfully Treated According To The Finishing Standards Of The American Board Of Orthodontics, Tayem Abou Saleh
The Smile Attractiveness Of Patients Successfully Treated According To The Finishing Standards Of The American Board Of Orthodontics, Tayem Abou Saleh
All ETDs from UAB
Smiling is the most useful way people can use to express their emotions, therefore, it is critical to build our treatment plan not just around establishing a stable functional occlusion but also to achieve beautiful harmonious smile. It has been suggested that the smile may be made up of 3 components: Gingival component, soft tissue component, and dental component, and the ultimate smile beauty can be achieved by trying to find the balance in between these components. We collected 68 smiling photos for cases were taken to American board of orthodontics clinical exam and they were considered successfully treated, all …
Predictors Of School Weapon Carrying Among Adolescents, Jonathan Adams
Predictors Of School Weapon Carrying Among Adolescents, Jonathan Adams
All ETDs from UAB
The presence of weapons threatens the safety of all individuals on school grounds. Emergent research suggests factors linked to school weapon carrying may stem from both within and outside the school environment; however, few efforts have been made to identify a comprehensive set of risk and protective factors associated with school weapon carrying. To address this gap, the first manuscript serves as a comprehensive, systematic review of variables associated with higher or lower likelihood an adolescent will carry weapons to school. Results indicated higher rates of weapon carrying among individuals who are male, sexual minority, children of single parents; exhibit …
Identification And Application Of Gingival Mesenchymal Stem Cells For Dental Tissue Regenration, Yousuf Al-Aboosi
Identification And Application Of Gingival Mesenchymal Stem Cells For Dental Tissue Regenration, Yousuf Al-Aboosi
All ETDs from UAB
Mesenchymal stem cells have been very attractive treatment modality in regenerative medicine, but not so much in regenerative dentistry. This can be attributed to the difficulty in obtaining dental origin stem cells without extracting a tooth or other invasive procedures. Autogenous gingival graft harvested from palatal tissue is used as the gold standard for treating single tooth recession. The healing of the gingival graft has been shown to be mostly depended on the recipient side more than the graft itself. This study is aiming to find if the palatal tissue has cells with mesenchymal characteristics that are helping in the …
Transdisciplinary Problem-Solving Using Convergence-Based Engineering Modeling And Communication Theory, Darrell Fielder
Transdisciplinary Problem-Solving Using Convergence-Based Engineering Modeling And Communication Theory, Darrell Fielder
All ETDs from UAB
Convergence, an approach to problem-solving that transcends disciplinary boundaries, is increasingly viewed as a key enabler in the development of timely, cost-effective, and resilient solutions for some of society’s most vexing problems in healthcare, energy, and other complex problem domains. This transdisciplinary convergence, with its emphasis on collaboration beyond traditional disciplinary boundaries (electrical engineering, mechanical engineering, biomedical engineering, computer engineering, and project management), is necessary to bridge the communication chasms that often emerge in silo-based research and problem-solving. These communication rifts, deepened by language, jargon, process, and technical differences between disciplines, represent major impediments to collective research. In this dissertation, …
Competitive Strategies Of Hospitals: Antecedents And Association With Financial Performance, Akbar Ghiasi
Competitive Strategies Of Hospitals: Antecedents And Association With Financial Performance, Akbar Ghiasi
All ETDs from UAB
In this three-paper dissertation, first, we examined the relationship between strategic group membership and hospital financial performance in terms of operating margin. The results revealed the important role of strategy on financial performance of a hospital. In the second paper, organizational and environmental antecedents of hospital’s business strategy choice were studied. The results showed that environmental and organizational factors may predict the business strategy choice of hospitals. The third paper investigated the moderating effect of environmental instability on the relationship between strategic group membership and financial performance. Environmental instability does not strongly affect the relationship between hospital strategic group membership …
Integration Of Cone Photoreceptor Signals In Macaque Lgn Neurons, Paul B. Brown
Integration Of Cone Photoreceptor Signals In Macaque Lgn Neurons, Paul B. Brown
All ETDs from UAB
Despite advances in the understanding of the primate visual system, much is yet to be learned about the way light signals sum to create our perception of the world. This is especially true at the simplest level of visual processing—the summation of two individual cone photoreceptor signals. How such signals combine to create visual perception has not been assessed in vivo. We used an adaptive optics scanning laser ophthalmoscope (AOSLO) to deliver binarized noise movies to identified groups of cones within the receptive fields of neurons in the macaque lateral geniculate nucleus (LGN). Recordings of neural action potentials within the …
Design And Synthesis Of Highly-Active And Selective Catalysts For The Hydroformylation Of Styrene And Adaptations For The Inorganic Teaching Laboratory, Ethan Cory Cagle
Design And Synthesis Of Highly-Active And Selective Catalysts For The Hydroformylation Of Styrene And Adaptations For The Inorganic Teaching Laboratory, Ethan Cory Cagle
All ETDs from UAB
The synthesis and characterization of a series of novel phosphine-, phosphinite, and phosphite-functionalized transition metal complexes are reported. These compounds have applications as alkene hydroformylation catalysts. The first chapter investigates the coordination of two tartaric acid derived ligands to cis-tetracarbonylmolybdenum(0) and pentacarbonyltungsten(0) metal centers. A cis-trans equilibrium was established for the molybdenum complexes and solid-state structures were obtained for both coordination geometries. The tungsten complexes were used to determine the electronic parameters of the donor ligands. The second chapter investigates a library of ligands derived from 1,2-O-isopropylideneglycerol as catalysts for the hydroformylation of styrene. Model complexes containing molybdenum, palladium, and …
A Survey Of Shoulder Injuries In Commercial Truck Drivers Using A Retrospective Medical Record Review, Bryan Combs
A Survey Of Shoulder Injuries In Commercial Truck Drivers Using A Retrospective Medical Record Review, Bryan Combs
All ETDs from UAB
Introduction: Musculoskeletal injuries in the occupational setting have significant impact on the worker, employer, and healthcare system. Commercial truck drivers (CTD) experience some of the highest rates of injury, missed days of work, and workers’ compensation costs compared with other workers. In this population, back injuries occur most commonly, followed by shoulder injuries which require 5 times more days away from work. Commercial truck drivers are significantly impacted by shoulder injuries; however, little is known about the unique mechanisms of injury, specific injuries, or possible preventative measures among this group of workers. Methods: A retrospective medical record review was completed …
The Civil Rights Struggle For Black Economic Opportunity In Birmingham, Logan Montgomery Barrett
The Civil Rights Struggle For Black Economic Opportunity In Birmingham, Logan Montgomery Barrett
All ETDs from UAB
This thesis examines the intersection between Birmingham, Alabama’s civil rights movement and labor history. It considers the city leadership’s exploitation of black labor and the radical resistance these oppressive conditions fostered. A long civil rights struggle in Birmingham emphasizes the movement’s pursuit of economic opportunity in securing a better quality of life for the city’s African American population. Showcasing three distinct eras of Birmingham’s black freedom struggle, this thesis argues that economic justice remained at the core of the prolonged movement. During the first half of the twentieth century, the city’s black working class embraced radical influences in combating workplace …
Validity Of Actigraph Gt3x Accelerometer In Determining Energy Expenditure, Brandon Dean Beamon
Validity Of Actigraph Gt3x Accelerometer In Determining Energy Expenditure, Brandon Dean Beamon
All ETDs from UAB
ABSTRACT The purpose of this investigation was to examine estimates of energy expenditure from the Actigraph GT3X tracking device compared to that obtained by indirect calorimetry. Twenty-seven healthy Caucasian males at the University of Alabama at Birmingham (age 20-30 y) with a BMI range of 19.5 and 30 kg/m2 were asked to wear an Actigraph GT3X on the wrist, hip, and ankle while performing exercise on a treadmill, bike, and upper body ergometer in randomized order. After twelve regressions divided into two sections 4 with ankle, hip, and wrist included in the model, and 4 with the ankle site omitted) …
The Relationship Between Cortical Excitability And Neuropsychological Functioning In Patients With Idiopathic Generalized Epilepsies (Iges), Lauren Bolden
All ETDs from UAB
Recent advances in neurostimulation and neuromodulation techniques, such as transcranial magnetic stimulation (TMS), may offer alternative treatment options to patients with idiopathic generalized epilepsies (IGEs). In a previous study, we utilized TMS to demonstrate a relationship between increased cortical excitability (i.e. hyperexcitability), attentional dysfunction, and mood disturbance in a sample of healthy adults. In general, patients with IGEs are found to exhibit cortical hyperexcitability, cognitive dysfunction, and mood problems; however, a relationship between these variables in IGEs has not yet been investigated. Importantly, patients with treatment-resistant IGEs (trIGEs) are shown to demonstrate greater cortical excitability, cognitive deficits, and mood problems …
An Electron Paramagnetic Resonance Study Of The Magnesium Acceptor In Gallium Nitride In Different Crystal Field Environments, Ustun Robert Sunay
An Electron Paramagnetic Resonance Study Of The Magnesium Acceptor In Gallium Nitride In Different Crystal Field Environments, Ustun Robert Sunay
All ETDs from UAB
Non-uniform strain phenomena localized to Mg acceptor sites were investigated in Mg-doped GaN single crystals using electron paramagnetic resonance (EPR) spectroscopy. Samples in this study were grown either as µm thick thin film or mm thick free standing samples with the Mg concentration ranging from 3 150 x1018 cm-3. In all samples, the Mg related EPR signal was observed but the g-factor, intensity, and lineshape anisotropy characteristics varied significantly depending on the magnitude of the bi axial crystal field Δx local to the Mg acceptor. By modelling the Mg acceptor as basal atomic 2p orbitals, the angular dependent intensity could …
Deciphering The Roles Of Hopd1 In Carbon Metabolism During Pathogen Infection, Yali Sun
Deciphering The Roles Of Hopd1 In Carbon Metabolism During Pathogen Infection, Yali Sun
All ETDs from UAB
Plants are equipped with various immune responses including MAMP-triggered immunity (MTI) and effector-triggered immunity (ETI) to fight against pathogens, while virulent pathogens release virulent proteins (effectors) and phytotoxins to compete with host immune responses. Comprehensively, plant-pathogen interactions involve multi- layered and highly coordinated processes, and dynamic regulation at both transcriptional and translational levels plays a pivotal role in plant defense. For example, NPR1, a key immune regulator, is regulated by hosts and manipulated by pathogens at different levels during different stages of plant-pathogen interaction. However, besides the competition over immune responses, bacterial pathogens also need to gain nutrients from host …
A Microfocal Effect In Photoreceptor Light Capture, Vasantha Kumari Kanukuntla
A Microfocal Effect In Photoreceptor Light Capture, Vasantha Kumari Kanukuntla
All ETDs from UAB
In human eyes, accomodation brings light rays into focus on the retina in order to achieve a clear images. The plane of best focus within the depth of the retina is thought to be within the photoreceptor layer, but pinpointing the exact focal position axially has not been determined. With help of adaptive optics aberration correction and its ability to have microscopic control of a retinal stimulus, we explored how sensitive human subjects are to defocus on the micron scale. We found that focal position can be reliably judged within 0.02 D, which is equivalent to about 6 microns in …
External Root Resorption In The Orthodontic Patients, Frank Earl Litchfield
External Root Resorption In The Orthodontic Patients, Frank Earl Litchfield
All ETDs from UAB
External Apical Root Resorption (EARR) is a side effect of orthodontic treatment that results in root shortening in about one-third of orthodontic patients. Great variability among patients exists in their susceptibility to this multifactorial condition, and both treatment and patient specific factors contribute to EARR. Root resorption values were found to be higher in Hispanics compared to Asians and Caucasians (1). However, the prevalence of EARR is not well documented in all populations. Since African Americans represent the largest minority group in the United States, establishing the prevalence and risk factors for EARR within this ethnicity is important. Objective: To …
Structural Studies Of Some Proteins Responsible For Bacterial Pathogenesis, Kartik Manne
Structural Studies Of Some Proteins Responsible For Bacterial Pathogenesis, Kartik Manne
All ETDs from UAB
A wide range of infections is attributed to the pathogenesis of Gram-positive bacteria. The emergence of multi-drug-resistant Gram-positive pathogens has been a significant health concern and present serious therapeutic challenges globally. Some of the common Gram-positive bacterial species like Streptococcus pneumonia, Group B Streptococcus, and Staphylococcus aureus are infectious by employing several virulence factors for initial adhesion, colonization, biofilm initiation and dispersion, complement evasion, nutrient acquisition, and infection. The structural insights into these virulence factors are essential for understanding their mode of action, and also for developing a new class of antibiotics; a significant interest of many researchers. Pneumococcal adhesive …
The Benefit Of Resilience: Examining The Roles Of Family Resilience And Parental Education In Child Anxiety, Bria Kathryn Morgan
The Benefit Of Resilience: Examining The Roles Of Family Resilience And Parental Education In Child Anxiety, Bria Kathryn Morgan
All ETDs from UAB
Extensive literature addresses the associations between parental education and children’s mental health outcomes; however, the role of parental education and family resilience in child anxiety is unclear. The purpose of this study is to obtain a greater understanding of the role of parental education in child anxiety. Additionally, the study aims to investigate the role and potential varying effects of family resilience. Building upon Bowen’s Family Systems Theory and Walsh’s Systems Theory of Family Resilience, I hypothesize that parental education will be negatively associated with child anxiety and that family resilience will be negatively associated with child anxiety. I also …
Kidney Resident Macrophages Utilize Developmental Programming During Healing From Acute Kidney Injury, Jeremie Matthew Peabody Lever
Kidney Resident Macrophages Utilize Developmental Programming During Healing From Acute Kidney Injury, Jeremie Matthew Peabody Lever
All ETDs from UAB
Acute kidney injury (AKI) can be a devastating condition, affecting up to sixty percent of critically ill patients in the United States. Despite the fact that AKI is associated with an increased risk of chronic kidney disease (CKD) and mortality, there are no targeted therapies available to treat it. Kidney resident macrophages (KRM) are likely necessary for healing and resolution of animal models of AKI. However, there remains a gap in knowledge regarding how KRM effect this function. The purpose of my thesis was to elucidate lineage relationships and functionally relevant adaptations of KRM and monocyte-derived mononuclear phagocytes (infiltrative MP) …
Recycling Of Secondary Composite Materials, Kristin Nicole Hardin
Recycling Of Secondary Composite Materials, Kristin Nicole Hardin
All ETDs from UAB
Over the past two decades, composites have shown their ability to help shape and define sustainability through many of their inherent characteristics, such as having high strength-to-weight ratio with long life cycles. However, composites in general are not widely recycled. Current production scrap, reject parts and end of life components are disposed of in landfills, which is costly and damaging to the environment. Driven largely by public perception and technology, the composites industry is starting to put efforts into research and design of composite recycling. Two of the biggest hurdles to widespread composite recycling is the lack of knowledge for …
Characterizing The Hiv-1 Envelope N-Glycan Shield, Audra Ann Hargett
Characterizing The Hiv-1 Envelope N-Glycan Shield, Audra Ann Hargett
All ETDs from UAB
In 2017, there was an estimated 1.8 million new HIV-1 infections worldwide. Development of an effective HIV-1 vaccine would begin to quell this global pandemic. HIV-1 envelope (Env) glycoprotein is the main vaccine candidate target due to the immune systems ability to generate broadly neutralizing antibodies (bnAbs) against Env. Approximately 90 N-glycans form a glycan shield that is the primary interface between the virus and host immune system. Key glycan motifs within the glycan shield are targets for bnAbs and are necessary for HIV-1 infectivity. Herein, we explore how naturally occurring mutations alter the glycan shield and HIV-1 Env function. …
Beyond Access: Predictors Of Unmet Need For Health Care From Adolescence To Young Adulthood, Sarah B. Rutland
Beyond Access: Predictors Of Unmet Need For Health Care From Adolescence To Young Adulthood, Sarah B. Rutland
All ETDs from UAB
Background: Unmet need (UN) can be characterized as a person not getting care even when they think they need it. Younger populations are understudied for UN, even though UN can emerge as early as adolescence. The aim of this dissertation is to use the national Longitudinal Study of Adolescent to Adult Health (Add Health) to examine whether adolescent socioeconomic status (SES) or health factors better predict UN over time, and how UN differs by race/ethnicity. Life course perspective, cumulative advantage and disadvantage hypothesis, and fundamental cause theory inform my hypotheses. Primary hypotheses: 1) The likelihood of UN will increase over …
Targeting The Nad Salvage Pathway For The Treatment Of The Parasitic Disease Schistosomiasis, Michael David Schultz
Targeting The Nad Salvage Pathway For The Treatment Of The Parasitic Disease Schistosomiasis, Michael David Schultz
All ETDs from UAB
Schistosomiasis, also known as bilharzia, is the third most common parasitic infection worldwide and a major source of morbidity and mortality in developing countries. Caused by trematodes in the genus Schistosoma, this parasitic disease has no vaccine therapy and resources for drug development are scarce. Despite an unknown mechanism of action, praziquantal has become the primary source of treatment due to its efficacy against all species of Schistosoma. However, with increased drug resistance in endemic areas and low activity against immature parasites, relying on this single drug is unsustainable and risky. Hence, there is a growing need for new, safe …
Ribosomal Rna Synthesis Is Regulated By Pathways That Respond To Environmental And Stress Conditions, Saman Najmi
Ribosomal Rna Synthesis Is Regulated By Pathways That Respond To Environmental And Stress Conditions, Saman Najmi
All ETDs from UAB
Ribosome biogenesis is one of the most central processes to cellular growth and metabolism. The synthesis of ribosomal RNA (rRNA) by RNA polymerase I (Pol I) is thought to be rate limiting for ribosome biogenesis, and is therefore subject to extensive regulation. The work presented in this dissertation characterizes two previously undiscovered pathways regulating rRNA synthesis. Due to the direct connection between ribosome biogenesis (and rRNA synthesis) and cellular proliferative potential, Pol I activity is upregulated in cancers. Cancer cells are hypersensitive to inhibition of Pol I, a quality that makes Pol I an attractive target for anticancer therapeutics. The …
Using Behavioral Health Data From A Health Information Exchange: An Examination Of Facilitators And Barriers, Randyl Cochran
Using Behavioral Health Data From A Health Information Exchange: An Examination Of Facilitators And Barriers, Randyl Cochran
All ETDs from UAB
Behavioral health disorders are common, and they frequently co-occur with chronic physical illnesses. Behavioral health patients with chronic physical illnesses are three times more likely to be readmitted to the hospital within 30 days of discharge than non-behavioral health patients. Readmissions among behavioral health patients are costly: $817 million in readmissions costs are related to mood and psychiatric disorders. High readmission rates are attributed, in part, to poor exchange of health-related information between various care providers. Health information exchanges (HIEs) are effective in chronic disease management, but their effectiveness in integrated care delivery is unclear. This study examined facilitators of …