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Articles 137641 - 137670 of 146574
Full-Text Articles in Entire DC Network
Triangle-Free Uniquely 3-Edge Colorable Cubic Graphs, Sarah-Marie Belcastro, Ruth Haas
Triangle-Free Uniquely 3-Edge Colorable Cubic Graphs, Sarah-Marie Belcastro, Ruth Haas
Mathematics Sciences: Faculty Publications
This paper presents infinitely many new examples of triangle-free uniquely 3-edge colorable cubic graphs. The only such graph previously known was given by Tutte in 1976.
High Pressure High Temperature Phase Diagrams Of Heavy Rare Earth Metals, Jeffrey M. Montgomery
High Pressure High Temperature Phase Diagrams Of Heavy Rare Earth Metals, Jeffrey M. Montgomery
All ETDs from UAB
Two new high-pressure apparatus are developed and used to explore the phase diagrams of rare earth metals gadolinium, thulium, and lutetium. The first device incorporates natural diamond anvils that have been surface modified with a homoepitaxially-grown chemical-vapor-deposited layer of conducting boron-doped diamond. This layer is used as a direct electrical heating element to heat the diamond anvils independently of the rest of the diamond anvil cell. This allows for comparatively rapid, but controlled, changes in temperature at high pressure, primarily while cooling of a sample without a large energy or time expenditure. The second device incorporates a homoepitaxially-grown micro-anvil on …
Applying Charlotte Mason's Philosophy To Early Childhood Education: A Qualitative Study Of Four Teachers' Experiences, Grace Mooney
Applying Charlotte Mason's Philosophy To Early Childhood Education: A Qualitative Study Of Four Teachers' Experiences, Grace Mooney
All ETDs from UAB
The purpose of this study was to explore teachers’ experiences in applying Charlotte Mason’s (1842-1923) philosophy to early childhood education. Research regarding Charlotte Mason’s educational philosophy is limited and no studies were found to address teachers’ application of her approach across various settings. In an attempt to fill this research gap, this study included four teachers from different settings; each of the teachers used Charlotte Mason’s approach in their classrooms. The research question was: How do teachers describe their experiences in applying Charlotte Mason’s philosophy to early childhood education? The research was conducted using a qualitative case study approach and …
Self-Perceptions And Social Comparison With A Primary Focus On Racial Identity In African American, Hispanic And Caucasian Fifth-Grade Children, Jeffrey G. Moore
Self-Perceptions And Social Comparison With A Primary Focus On Racial Identity In African American, Hispanic And Caucasian Fifth-Grade Children, Jeffrey G. Moore
All ETDs from UAB
Understanding the significance of one’s ethnic group is pivotal to comprehending and defining one’s overall process of self-perception, its influence on academic achievement, and probability for future success as well as personal fulfillment, especially among adolescents (Hill, Mance, Anderson, & Smith, 2012). Consequently, an adolescent’s view of self is often directly associated with personal interactions with individuals closest in nature and proximity. To explore the effects of self-perception among fifth-grade adolescents, a quantitative study was conducted to examine physical appearance and self-worth disparities among pre-adolescent Black, Hispanic, and White youth. For this research, three racial identity developmental theories were applied, …
Time Is On My Side : Harnessing The Power Of Automation For Efficient Archival Workflows., Heather Fox, Sarah Dorpinghaus
Time Is On My Side : Harnessing The Power Of Automation For Efficient Archival Workflows., Heather Fox, Sarah Dorpinghaus
Faculty and Staff Scholarship
In the 21st century, the idea of utilizing technology to increase efficiency is nothing new. However, many librarians and archivists lack specialized training in computer programming, file management, and other advanced technological skills. Instead, our professional training focused on more traditional aspects of librarianship like the reference interview, collection development, and subject analysis. Although these remain important components of serving our users, learning new ways to streamline workflows can free up time we spend on automatable tasks and allow us more time to concentrate on specialized aspects of our work that only we as trained archivists and librarians can accomplish. …
Gaba(A) Receptor Trafficking And Localization In Schizophrenia, Toni Marie Mueller
Gaba(A) Receptor Trafficking And Localization In Schizophrenia, Toni Marie Mueller
All ETDs from UAB
Mechanisms underlying the complex etiology of schizophrenia have long been a subject of scientific inquiry. Early investigations focused on identifying functional deficits in dopaminergic and glutamatergic neurotransmission, but evidence for disrupted GABAergic signaling has also emerged. Recent studies from our lab have identified disrupted N-glycosylation of glutamate receptor and transporter subunits and abnormal subcellular distribution of glutamate receptor subunits, suggesting a potential functional consequence of perturbed N-glycosylation in schizophrenia. N-glycosylation is the posttranslational enzymatic attachment of an oligosaccharide precursor to a protein. This modification plays a significant role in protein processing in the ER and Golgi, and is known to …
Vassiliev Invariants Of Virtual Legendrian Knots, Patricia Cahn, Asa Levi
Vassiliev Invariants Of Virtual Legendrian Knots, Patricia Cahn, Asa Levi
Mathematics Sciences: Faculty Publications
We introduce a theory of virtual Legendrian knots. A virtual Legendrian knot is a cooriented wavefront on an oriented surface up to Legendrian isotopy of its lift to the unit cotangent bundle and stabilization and destabilization of the surface away from the wavefront. We show that the groups of Vassiliev invariants of virtual Legendrian knots and of virtual framed knots are isomorphic. In particular, Vassiliev invariants cannot be used to distinguish virtual Legendrian knots that are isotopic as virtual framed knots and have equal virtual Maslov numbers.
Translinguality, Transmodality, And Difference : Exploring Dispositions And Change In Language And Learning., Bruce Horner, Cynthia Selfe, Tim Lockridge
Translinguality, Transmodality, And Difference : Exploring Dispositions And Change In Language And Learning., Bruce Horner, Cynthia Selfe, Tim Lockridge
Faculty and Staff Scholarship
This collaborative piece explores the potential synergy arising from the confluence of two growing areas of research, teaching, and practice in composition (broadly defined): multi- (or trans-)modality, and trans- (or multi-) linguality.
The Interrelationships Among Obesity, Insulin Sensitivity, And Bone Phenotype In Pre-Pubertal Girls, Anna L. Newton
The Interrelationships Among Obesity, Insulin Sensitivity, And Bone Phenotype In Pre-Pubertal Girls, Anna L. Newton
All ETDs from UAB
Impaired insulin sensitivity as a consequence of childhood obesity has been implicated as a contributor to skeletal fragility. There is a need to understand the interrelationships among insulin sensitivity and skeletal parameters (i.e. cortical, trabecular, marrow) in obesity during the pubertal transition. Further, calorie restricted weight loss to stabilize these relationships warrants investigation as well. The goal of this project was to examine the relationships among body composition, skeletal parameters, and insulin sensitivity. The first aim was to evaluate the relationships among total body fat, bone mineral content (BMC) and femoral bone marrow adipose tissue (BMAT) during childhood and underlying …
The Effect Of Bone-Implant Contact And Elastic Modulus In The Biomechanical Stability Of Temporary Anchorage Devices, Ghada Nimeri
The Effect Of Bone-Implant Contact And Elastic Modulus In The Biomechanical Stability Of Temporary Anchorage Devices, Ghada Nimeri
All ETDs from UAB
ABSTRACT The purpose of this study was to analyze the microstrains of compact and trabecular bone caused by loading of different miniscrews at different healing times, and to compare these results to the limits of bone stability maintenance based on the Frost Mechanostat Theory. Materials and Methods: Theoretical calculations of microstrains of bone surrounding 10 different miniscrews were done. These miniscrews were considered under loading forces of 500 gm., and the microstains of both trabecular and compact bone were calculated separately when the thickness of the compact bone was at 1mm or 2mm. The microstrains were calculated at 4 different …
The Effects Of 6 Weeks Of High Intensity Interval Training Vs. Moderate Intensity Training On Changes In Body Composition, Corey Noles
All ETDs from UAB
THE EFFECTS OF 6 WEEKS OF HIGH INTENSITY INTERVAL TRAINING VS. MODERATE INTENSITY TRAINING ON CHANGES IN BODY COMPOSITION COREY NOLES KINESIOLOGY ABSTRACT Background: It is important to identify strategies to promote exercise adherence and to identify an optimal exercise stimulus to prevent adverse health outcomes associated with obesity. Low-volume high-intensity interval training (HIIT) has recently been shown to improve a number of cardiometabolic health outcomes similarly to moderate intensity exercise training (MIT) despite requiring 1 hr of training per week for HIIT vs 6 hrs for ET. However, less is known about HIIT and its effects on body composition. …
Gap Year Saviours - An Analysis Of The Role Of Race In An Advertisement For Development Volunteering, Jack Hogan
Gap Year Saviours - An Analysis Of The Role Of Race In An Advertisement For Development Volunteering, Jack Hogan
Irish Journal of Applied Social Studies
The issues of race and ethnicity are taboo in the realm of development. By critically analysing a representation of race and ethnicity in an advertisement for an international development agency, this paper seeks to open new avenues of discussion to break this silence. The paper examines the reduction of the racial identity through the process of stereotyping, the commodification of vulnerable children from the devloping world through the hidden language of race and the construction of the development worker as a ‘white saviour’ through the depiction of volunteers as ‘rescuers’. The aim of this paper is not to simply dismiss …
Transcriptional Regulation Of The Human Ribosomal Rna Gene, Blake L. Atwood
Transcriptional Regulation Of The Human Ribosomal Rna Gene, Blake L. Atwood
All ETDs from UAB
The ribosome has the major role of synthesizing almost all the proteins of the cell. One of the main structural components of the ribosome are the ribosomal RNAs 18S, 28S, 5.8S and the 5S which are bound by numerous proteins to make up a fully functional unit. In the human genome there are approximately 400 copies of the rRNA gene, which contains all but the 5S rRNA in one long transcription unit. This gene is found in tandem repeats on the acrocentric arm of chromosomes 13, 14, 15, 21 and 22. It is critical that this gene is tightly regulated …
Interlayer Utilization (Including Metal Borides) For Subsequent Deposition Of Nsd Films Via Microwave Plasma Cvd On 316 And 440c Stainless Steels, Jared Ballinger
Interlayer Utilization (Including Metal Borides) For Subsequent Deposition Of Nsd Films Via Microwave Plasma Cvd On 316 And 440c Stainless Steels, Jared Ballinger
All ETDs from UAB
Diamond thin films have promising applications in numerous fields due to the extreme properties of diamonds in conjunction with the surface enhancement of thin films. Biomedical applications are numerous including temporary implants and various dental and surgical instruments. The unique combination of properties offered by nanostructured diamond films that make it such an attractive surface coating include extreme hardness, low obtainable surface roughness, excellent thermal conductivity, and chemical inertness. Regrettably, numerous problems exist when attempting to coat stainless steel with diamond generating a readily delaminated film: outward diffusion of iron to the surface, inward diffusion of carbon limiting necessary surface …
In- Vitro Wear Of Four Cad-Cam Materials In The Uab Wear Simulating Device, Ritika Bansal
In- Vitro Wear Of Four Cad-Cam Materials In The Uab Wear Simulating Device, Ritika Bansal
All ETDs from UAB
In- vitro Wear of Four CAD- CAM Materials in the UAB Wear Simulating Device RITIKA BANSAL MS IN CLINICAL DENTISTRY ABSTRACT Hybrid ceramic/polymer blocks represent a new category of CAD/CAM materials that do not require heat treatment following milled fabrication and limited clinically relevant mechanical properties of these materials are available. Purpose: This study measures the hardness, flexural strength, modulus, and wear of 3 ceramic/polymer hybrid materials (LAVA Ultimate, Enamic, and Cerasmart), 2 reference glass ceramics (IPS e.max and Celtra Duo), and 1 reference composite material (Paradigm MZ100). Methods: Flexural strength specimens (n=10) (2.5 Ã 2.5 Ã 16 mm) were …
On The Simplest Lamination Of A Given Identity Return Triangle, Brandon Lee Barry
On The Simplest Lamination Of A Given Identity Return Triangle, Brandon Lee Barry
All ETDs from UAB
Laminations are models for locally connected Julia sets of complex polynomials. This paper is concerned with laminations associated with degree 3 polynomials. We introduce and discuss simplest laminations and prove that subject to certain conditions a finite collection C of periodic polygons is associated with a simplest lamination L_C. This lamination is unique with respect to some collection of pullback schemes. We apply this result to the case where the collection C consists of the orbit of a periodic chord. We then introduce and characterize simple Fatou gaps by their boundary leaves and discuss the relationship between simple Fatou gaps …
An Analysis Of Selecting Personal Protective Equipment Clothing Used In Foundries, Quachel Bazile
An Analysis Of Selecting Personal Protective Equipment Clothing Used In Foundries, Quachel Bazile
All ETDs from UAB
A foundry is a type of factory that deals with producing metal casting. The metals are casted in to shape by being melted into liquid and is then poured into the mold. Personal protective equipment (PPE) is worn to protect the worker from the hazard that engineering control cannot protect the worker from. A Private company wanted to evaluate their current PPE clothing to understand how well they protect a worker against molten metal splash PPE clothing was tested using the American Standard for Testing Material (ASTM) standard F955-07 entitled "Evaluating Heat Transfer through Materials for Protective Clothing upon Contact …
Innovative Dart™ Ms Applications For Rapid Opioid Detection In Ante- And Post-Mortem Specimens, Rachel Crocker Beck
Innovative Dart™ Ms Applications For Rapid Opioid Detection In Ante- And Post-Mortem Specimens, Rachel Crocker Beck
All ETDs from UAB
The studies presented herein were born through the observations of the challenges that are faced by forensic toxicology laboratories. While these challenges were first observed in the forensic toxicology field, they are common across clinical, workplace drug testing, and pain management laboratories alike. The challenge is how to increase efficiency without sacrificing quality. Current drug screening protocols such as immunoassays (IA), gas chromatography mass spectrometry (GC/MS), and liquid-liquid chromatography tandem mass spectrometry (LC/MS/MS) are robust but inefficient and limited, with some analyses providing only class information. These analyses when coupled require up to four days to complete for a confirmed, …
Mechanisms Of Npy-Induced Phase Shifts And Gsk3 Modulation Of Rhythmic Molecular Clock Gene Expression, Neurophysiological Function, And Memory., Rachel Besing
All ETDs from UAB
The current set of studies addresses three main hypotheses. We first tested the hypothesis that NPY-induced phase advances are accompanied by persistent suppression of core circadian clock gene PER2 and are mediated by long-term depression of neuronal excitability in a phase-specific manner. We found that NPY induced phase advances in PER2::LUC cultures, as well as decreased neuronal firing in SCN slices, are largest when NPY is given in the early part of the day and PER2::LUC phase advances were blocked by depolarization with potassium chloride, suggesting that NPY-induced phase advances are mediated by long-term depression of neuronal excitability. The second …
Modulation Of The Unfolded Protein Response To Delay Apoptosis In An Autosomal Dominant Retinitis Pigmentosa Animal Model, Yogesh Bhootada
Modulation Of The Unfolded Protein Response To Delay Apoptosis In An Autosomal Dominant Retinitis Pigmentosa Animal Model, Yogesh Bhootada
All ETDs from UAB
Retinitis pigmentosa (RP) is a group of retinal degenerative diseases characterized by the loss of rod photoreceptor cells that can be followed by cone degeneration eventually culminating in total photoreceptor cell loss. This disease affects approximately 1.5 million people worldwide and can be transmitted in an autosomal dominant (ADRP) manner accounting for nearly 30% of all RP cases. Dominant rhodopsin mutations have been divided into class I and class II based on the folding of rhodopsin protein, thermal stability, and chromophore regeneration. A threonine-17-methionine (T17M) mutation in rhodopsin is a class II mutation, characterized by a thermal instability/folding defect and …
Synthesis And Characterization Of A Collagen Based Biodegradable Polymer Initiated By Hydroxyapatite Nanoparticle For Bone Regeneration, Didarul B. Bhuiyan
Synthesis And Characterization Of A Collagen Based Biodegradable Polymer Initiated By Hydroxyapatite Nanoparticle For Bone Regeneration, Didarul B. Bhuiyan
All ETDs from UAB
Synthetic bone graft biomaterials are considered as a potential alternative to the conventional use of bone grafts, due to their limitless supply and lack of disease transmission. Current synthetic bone graft materials generally lack the necessary combination of biological and mechanical properties for use as a bone graft substitute. Bone is a dynamic tissue that serves biological, chemical and mechanical purpose in the body and it is unlikely that a single component synthetic biomaterial can provide the appropriate combination of mechanical integrity and biological stimulation to replace bone. Multicomponent biomaterials need chemical bonding between the components to prevent phase separation …
The Biological And Conservational Implications Of Hatchling Biology In The Kemp's Ridley (Lepidochelys Kempii) Sea Turtle, Amy Nicole Bonka
The Biological And Conservational Implications Of Hatchling Biology In The Kemp's Ridley (Lepidochelys Kempii) Sea Turtle, Amy Nicole Bonka
All ETDs from UAB
The Kemp’s ridley sea turtle is currently listed as critically endangered, and has a very limited range, often found along the Atlantic coast though primarily inhabiting the Gulf of Mexico, with the majority of all nesting occurring near Rancho Nuevo, Mexico. Historically, large numbers of turtles have been reported to nest at Rancho Nuevo; though numbers dropped due to egg take and by-catch in the fishing and shrimping industries. Extensive conservation efforts over the last several decades significantly increased the number of nests; however the recovery status of the Kemp’s ridley is still in question, and the continued research and …
Preliminary Characterization Of The Microbial Community In The Bonneville Salt Flats, Garner Lansing Boogaerts
Preliminary Characterization Of The Microbial Community In The Bonneville Salt Flats, Garner Lansing Boogaerts
All ETDs from UAB
Hypersaline environments (salt concentrations greater than two molar) are found on all continents and represent a woefully understudied ecosystem. To date, most of the hypersaline environments studied have been either lakes (e.g. The Great Salt Lake, Utah) or deep ocean/sea brine pools (e.g. Red Sea), both of which have an abundance of accessible water for the organisms living there. However, more extreme hypersaline environments have not been characterized as thoroughly. One of these environments is the Bonneville Salt Flats (BSF) in Western Utah. The BSF is 80 square miles in size and consists of a salt crust of varying thickness …
Transferring Virtual Reality Training To Real World Settings In Individuals With Low Vision And Dual-Sensory Impairments, Ellen Lambert Bowman
Transferring Virtual Reality Training To Real World Settings In Individuals With Low Vision And Dual-Sensory Impairments, Ellen Lambert Bowman
All ETDs from UAB
TRANSFERRING VIRTUAL REALITY TRAINING TO REAL WORLD SETTINGS IN INDIVIDUALS WITH LOW VISION AND DUAL-SENSORY IMPAIRMENTS ELLEN LAMBERT BOWMAN VISION SCIENCE GRADUATE PROGRAM ABSTRACT The goal of this study was to determine if individuals with low vision could learn useful visual skills in Virtual Reality and could transfer these skills to the real world. To achieve this goal, one set of Orientation & Mobility (O&M) skills, using the near lane parallel traffic surge to decide the safest timing to cross a signal controlled street, was selected. Twelve participants with vision too poor to use pedestrian signals were randomly assigned to …
Predictive Modeling Of Ocular Surface Disease States Using Multiple Inflammatory Biomarkers, John L. Bradley
Predictive Modeling Of Ocular Surface Disease States Using Multiple Inflammatory Biomarkers, John L. Bradley
All ETDs from UAB
ABSTRACT Purpose The aim of this study was to adapt conjunctival impression cytology (CIC) and RNA isolation and processing procedures for gene expression analysis of ocular surface inflammatory biomarkers. The RNA yield and quality should be sufficient to enable quantitative real-time PCR of no less than 12 key target genes, with the goal of differentiating among dry eye groups. This study used the optimized inflammatory biomarker gene expression assay in a patient study to identify differences between dry eye and control participants. Materials and Methods CIC was used to collect conjunctival surface cells from 53 qualifying dry eye and control …
Three-Dimensional Soft Tissue Analysis Of Facial Morphology Of A Colombian Population Compared To Adult Caucasians, Sonia Bravo-Hammett
Three-Dimensional Soft Tissue Analysis Of Facial Morphology Of A Colombian Population Compared To Adult Caucasians, Sonia Bravo-Hammett
All ETDs from UAB
Aim: The purpose of this study is to describe the facial morphology of a Colombian population with three-dimensional imaging; and comparing their facial morphology with the Caucasian to create a database for this ethnicity. Materials and Methods: The study included 170 subjects selected from the Valle University in Cali-Colombia; and 1346 Caucasian subjects selected from the Face-Base Data funded by the National Institute of Dental and Craniofacial Research. All images were taken on Natural Head Position and captured using a stereo-photogrammetric camera system (3dMDfaceTM); to obtain a three dimensional image of each patient. The subjects were between 19 to 31 …
Development Of A Conceptual Framework For Pediatric Preparedness Healthcare Coalitions: A Pilot Study, Bryan K. Breland
Development Of A Conceptual Framework For Pediatric Preparedness Healthcare Coalitions: A Pilot Study, Bryan K. Breland
All ETDs from UAB
Natural or man-made disasters overwhelm the resources of a healthcare organization and strain or compromise the provision of medical services to rapidly expanding patient populations. Public and private healthcare organization routinely plan and exercise systems and responses intended to bolster medical care capabilities and increase the capacity of the organization during crisis events. Providers of pediatric emergency medical service are particularly vulnerable to disaster surge, since many pediatric emergency services operate consistently at near capacity. In recent years, policy-makers and medical professionals have begun to look toward healthcare coalitions as a mechanism to rapidly expand resources and capacity for patient …
The Alpha-Glucosidase Inhibitor Acarbose As A Calorie Restriction Mimetic To Modify Metabolic Outcomes In Mice, Rachel Ann Brewer
The Alpha-Glucosidase Inhibitor Acarbose As A Calorie Restriction Mimetic To Modify Metabolic Outcomes In Mice, Rachel Ann Brewer
All ETDs from UAB
Age-related diseases continue to be a leading cause of death. One of the only replicable methods proven to decrease age-related morbidity and mortality in multiple species is calorie restriction (CR). CR is difficult for human populations to implement, and has a number of associated risks and side effects. A CR mimetic could provide the healthspan- and lifespan-extending benefits of CR without the limitations. Acarbose (ACA), an α-glucosidase and α-amylase inhibitor approved to treat type 2 diabetes in humans, was recently identified as able to extend lifespan in healthy mice. The purpose of this research was to determine the effects of …
Perceptions Of Elementary School Leaders In Supporting The Academic And Social Development Of African American Males In Torchbearer Schools, Tracy Brown
All ETDs from UAB
PERCEPTIONS OF ELEMENTARY SCHOOL LEADERS IN SUPPORTING THE ACADEMIC AND SOCIAL DEVELOPMENT OF AFRICAN AMERICAN MALES IN TORCHBEARER SCHOOLS TRACY HANDLEY BROWN EDUCATIONAL LEADERSHIP ABSTRACT This qualitative multiple case study explored the perceptions of Alabama Torchbearer School leaders in supporting the academic and social development of their elementary African American male students. There is limited research to show how elementary school leaders support their African American male students. My study helped to provide insight into how elementary school leaders support their African American male student population. The study was conducted in 10 Torchbearer Schools in Alabama. The participants included 10 …
The Effect Of Applied Stress On Knowledge Retention In A Multiwall Virtual Environment, David Wayne Brown
The Effect Of Applied Stress On Knowledge Retention In A Multiwall Virtual Environment, David Wayne Brown
All ETDs from UAB
While the science of medicine continues to grow as new discoveries in the treatment of disease are made, the education of existing procedures has not evolved with the growth of new technology. The training of doctors and nurses is still, primarily, one of classrooms and presentations. In addition, this training is predominately focused on treating the patient once they have reached the hospital, with limited thought given to out of hospital emergencies. Simulation labs are present at most schools, but these are limited in their ability to deliver identical scenarios across the entire student population due to variances in personnel …