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Analytical, Diagnostic and Therapeutic Techniques and Equipment Commons™
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Articles 1 - 22 of 22
Full-Text Articles in Analytical, Diagnostic and Therapeutic Techniques and Equipment
Implementing Outside The Box: Community-Based Social Service Provider Experiences With Using An Alcohol Screening And Intervention, David A. Patterson Silver Wolf (Adelv Unegv Waya) Phd, Alex T. Ramsey, Carissa Van Den Berk-Clark
Implementing Outside The Box: Community-Based Social Service Provider Experiences With Using An Alcohol Screening And Intervention, David A. Patterson Silver Wolf (Adelv Unegv Waya) Phd, Alex T. Ramsey, Carissa Van Den Berk-Clark
Brown School Faculty Publications
Objective: The aim of this study is better understand perceptions of front-line social service workers who are not addiction specialists, but have to address addiction-related issues during their standard services. Method: Six social service organizations implemented a validated alcohol assessment and brief education intervention. After a 3-month trial implementation period, a convenience sample of 64 front-line providers participated in six focus groups to examine barriers and facilitators to the implementation of an alcohol screening and brief intervention. Results: Three themes emerged: (1) usefulness of the intervention, (2) intervention being an appropriate fit with the agency and client population, and (3) …
Molecular Insights Into Prostate Field Cancerization: Telomere Length, Egr-‐1 Expression, And Regulation Of Mic-‐1, Pdgf-‐A, And Fas, Emily Frisch, Kristin Gabriel, Marco Bisoffi
Molecular Insights Into Prostate Field Cancerization: Telomere Length, Egr-‐1 Expression, And Regulation Of Mic-‐1, Pdgf-‐A, And Fas, Emily Frisch, Kristin Gabriel, Marco Bisoffi
Student Scholar Symposium Abstracts and Posters
The diagnosis of prostate cancer (adenocarcinoma) relies on screening for elevated prostate-specific antigen (PSA) in blood samples and on digital rectal examination (DRE). With high PSA levels and/or abnormal DRE, physicians recommend a biopsy, which often misses the location of the adenocarcinoma and results in false negatives. Previous studies have shown expression of the key transcription factor early growth response 1 (EGR-1), the pro-survival factor macrophage inhibitor cytokine 1 (MIC-1), and the growth stimulatory platelet derived growth factor A (PDGF-A) to be up-regulated in histologically normal tissues 1 centimeter adjacent to prostate adenocarcinomas. We hypothesize that tumors emerge from “field …
Development Of A Mobility-Enabling Spinal Orthosis And Methods For Evaluating And Developing Spinal Orthoses On A Robotic Platform, John C. Simmons
Development Of A Mobility-Enabling Spinal Orthosis And Methods For Evaluating And Developing Spinal Orthoses On A Robotic Platform, John C. Simmons
Theses and Dissertations (ETD)
Introduction: A number of decompressing spinal braces (typically pneumatic) have been introduced that attempt to mechanically emulate the “buoyancy” of water therapy by offloading upper torso load to the pelvic girdle as a treatment for lower back pain (LBP). Unfortunately, the beneficial upward force they apply on the upper torso typically makes it difficult or impossible for the patient to bend. For those cases where stabilization is not indicated, this undesirably hinders therapeutic exercise, independent living, and return to work. The cosmetic stigma of wearing an external pneumatic assembly large enough to provide significant offloading may provide additional disincentives to …
The End Of An Era: The Cancer Stem Cell Hypothesis And Its Therapeutic Implications, Emily Paton
The End Of An Era: The Cancer Stem Cell Hypothesis And Its Therapeutic Implications, Emily Paton
Independent Study Project (ISP) Collection
Cancer, a leading cause of death in many developed countries, has become a global health burden. Much of the drain on healthcare systems has resulted from the high cost and ineffectiveness of conventional cancer treatments, which often lead to cancer relapse or metastasis. The failures of chemotherapy, radiation, and surgery have been elucidated by the cancer stem cell (CSC) hypothesis, which postulates that a small percentage of tumor cells drive tumorigenesis. These cells can sustain cancer through their capacity to self-renew and differentiate into specialized tumor cell types, similar to how healthy stem cells maintain healthy tissues. Conventional cancer treatments …
Strengths And Weaknesses Of Hybrid Tpr Technology For Obtaining Structural And Mechanistic Insights Into Tpr Proteins, Shanshan Yu
Strengths And Weaknesses Of Hybrid Tpr Technology For Obtaining Structural And Mechanistic Insights Into Tpr Proteins, Shanshan Yu
Theses and Dissertations (ETD)
Tetratricopeptide (TPR) repeats are a 34-residue helix-turn-helix motif that when repeated pack into a superhelical structure. TPR domains are frequently found mediating protein-protein interactions, often through a central groove. One protein complex bearing numerous TPR repeats is the Anaphase Promoting Complex (APC). The anaphase-promoting complex (APC) is a multi-subunit complex, which orchestrates mitotic cell cycles. APC is an E3 ligase in the ubiquitin cascade, and directs the 26S proteosome degradation of cell-cycle regulators. Throughout mitotic progression, proteins that are key regulators of the cell cycle are assembled with polyubiquitin chains by APC.
One domain of the human APC is comprised …
Ligand-Receptor Interactions For Supramolecular Disassembly With Applications In Screening And Drug Delivery, Diego Amado Torres
Ligand-Receptor Interactions For Supramolecular Disassembly With Applications In Screening And Drug Delivery, Diego Amado Torres
Doctoral Dissertations
Proteins have the capacity to bind specific sets of compounds known as ligands, these are small molecules with a recurrent theme in their molecular design that is a characteristic exploited here to (i) identify particular affinities of small molecules for proteins with the aim of using them as ligands, inhibitors, or targeting moieties in more complex systems by means of a methodology that screens small molecules based on protein affinity; (ii) decorate a self-assembling supramolecular system at different positions, making it responsive to a complementary protein with the aim of exploring differences in disassembly and sensitivity of the release of …
Nerve Fiber Diameter Measurements Using Hematoxylin And Eosin Staining And Brightfield Microscopy To Assess The Novel Method Of Characterizing Peripheral Nerve Fiber Distributions By Group Delay, Jorge Arturo Vazquez
Nerve Fiber Diameter Measurements Using Hematoxylin And Eosin Staining And Brightfield Microscopy To Assess The Novel Method Of Characterizing Peripheral Nerve Fiber Distributions By Group Delay, Jorge Arturo Vazquez
Master's Theses
Peripheral neuropathies are a set of common diseases that affect the peripheral nervous system, causing damage to vital connections between various parts of the body and the brain and spinal cord. Different clinical conditions are known to selectively impact various size nerve fibers, which often makes it difficult to diagnose which peripheral neuropathy a patient might have. The nerve conduction velocity diagnostic test provides clinically useful information in the diagnosis of some peripheral neuropathies. This method is advantageous because it tends to be minimally invasive yet it provides valuable diagnostic information. However, this test does not determine characteristics of peripheral …
Application Of Nuclear Magnetic Resonance Based Metabolomics To Study The Central Metabolism Of Staphylococci, Bo Zhang
Department of Chemistry: Dissertations, Theses, and Student Research
Metabolomics studies the collection of small molecules (metabolites) involved in enzymatically catalyzed reactions, cell signaling and cellular structure. Perturbations in metabolite concentrations have been used to reflect the activity of corresponding enzymes or proteins. Nuclear magnetic resonance (NMR) spectroscopy is a well-known approach for the structure determination of biological macromolecules. Alternatively, NMR has recently been established as a valuable tool of metabolomics, in which NMR spectral signals correlate small molecules with cellular activities. This has been accomplished through the chemometric analysis of high-throughput one dimensional 1H spectra (metabolic fingerprinting) and quantitative metabolite identification based on two dimensional 1H, …
Improving Access To Healthcare In New Orleans: An Up-To-Date Guide Of Free Or Low-Cost Clinics And Medication Assistance, Richard Brucker, Peggy Chehardy
Improving Access To Healthcare In New Orleans: An Up-To-Date Guide Of Free Or Low-Cost Clinics And Medication Assistance, Richard Brucker, Peggy Chehardy
Pediatrics Research and Scholarship
After Hurricane Katrina, New Orleans safety net, Charity Hospital, was closed. Numerous free or low-cost clinics opened around town. Yet homeless individuals still expressed a need for more free clinics, as they were unaware of the resources that already existed. In August 2007, the resources available were out-dated, inaccurate, and lacked information regarding cost of medical care. Upon verifying information, print guides were assembled and thousands of copies were dispersed to homeless individuals. A website, with both online and print guides, was created to address the difficult task of redistribution following guide updates. The master list is always available online, …
Characterization Of Corynebacterium Pseudotuberculosis Biovar Equi Isolates Obtained From Cal Poly Horses And Review Of Application Of Transposons To Better Prevent Pigeon Fever In Horses, Irene Hasen
Animal Science
No abstract provided.
Molecular Chaperone Tools For Use Against Neurodegenerative Diseases, Matthew Tinkham
Molecular Chaperone Tools For Use Against Neurodegenerative Diseases, Matthew Tinkham
Senior Honors Projects
A noted characteristic found in several neurodegenerative disorders, including Alzheimer’s Disease, Parkinson’s Disease, Huntington’s Disease and bovine spongiform encephalopathy, is the accumulation of amyloid plaques in the brain. Amyloid plaques contain deposits of fibrillar aggregates of misfolded proteins that disrupt normal functionality in neurons. Certain variants of these misfolded proteins are self-replicating; these self-replicating amyloids are termed prions (for infectious protein). We are interested in how protein misfolding contributes to amyloid formation and how molecular chaperone proteins can change the formation of amyloid deposits. Chaperone proteins function by catalyzing the proper folding of other proteins, the refolding of misfolded proteins, …
Force And Power Development In Free Weight Resistance Training Vs. Band Resistance Training, Joseph Jablonski
Force And Power Development In Free Weight Resistance Training Vs. Band Resistance Training, Joseph Jablonski
Morehead State Theses and Dissertations
A Thesis Presented to the Faculty of Health, Wellness, and Human Performance of the College of Science and Technology Morehead State University in Partial Fulfillment of the Requirements for the Degree Master of Arts by Joseph Jablonski on April 16, 2014.
Estimating Child Sleep From Parent Report Of Time In Bed: Development And Evaluation Of Adjustment Approaches, Timothy D. Nelson, Alyssa Lundahl, Dennis L. Molfese, Rachel N. Waford, Adrienne Roman, David Gozal, Victoria J. Molfese, Melissa C. Ferguson
Estimating Child Sleep From Parent Report Of Time In Bed: Development And Evaluation Of Adjustment Approaches, Timothy D. Nelson, Alyssa Lundahl, Dennis L. Molfese, Rachel N. Waford, Adrienne Roman, David Gozal, Victoria J. Molfese, Melissa C. Ferguson
Department of Psychology: Faculty Publications
Objective To develop and evaluate adjustment factors to convert parent-reported time in bed to an estimate of child sleep time consistent with objective measurement. Methods A community sample of 217 children aged 4–9 years (mean age = 6.6 years) wore actigraph wristwatches to objectively measure sleep for 7 days while parents completed reports of child sleep each night. After examining the moderators of the discrepancy between parent reports and actigraphy, 3 adjustment factors were evaluated. Results Parent report of child sleep overestimated nightly sleep duration by ~24 min per night relative to actigraphy. Child age, gender, and sleep quality all …
Variability Of M-Mode Versus Two-Dimensional Echocardiography Measurements In Children With Dilated Cardiomyopathy., Caroline K. Lee, Renee Margossian, Lynn A. Sleeper, Charles E. Canter, Shan Chen, Lloyd Y. Tani, Girish S. Shirali, Anita Szwast, Elif Seda Selamet Tierney, M Jay Campbell, Fraser Golding, Yanli Wang, Karen Altmann, Steven D. Colan, Pediatric Heart Network Investigators
Variability Of M-Mode Versus Two-Dimensional Echocardiography Measurements In Children With Dilated Cardiomyopathy., Caroline K. Lee, Renee Margossian, Lynn A. Sleeper, Charles E. Canter, Shan Chen, Lloyd Y. Tani, Girish S. Shirali, Anita Szwast, Elif Seda Selamet Tierney, M Jay Campbell, Fraser Golding, Yanli Wang, Karen Altmann, Steven D. Colan, Pediatric Heart Network Investigators
Manuscripts, Articles, Book Chapters and Other Papers
M-mode and 2-dimensional (2D) echocardiographic imaging are routinely used to quantify left-ventricular (LV) size and function in pediatric patients with dilated cardiomyopathy (DCM). The reproducibility of and correlation between these techniques are unknown. This analysis sought to compare interreader, intrareader, and interacquisition reproducibility of M-mode versus 2D measurements in pediatric DCM patients. The Ventricular Volume Variability study of the Pediatric Heart Network is a multicenter, prospective, observational study assessing the course of chronic DCM in children. Two sonographers performed baseline image acquisitions locally, and two readers performed measurements at the echocardiographic core laboratory. One reader repeated measurements 1 month later. …
Chemopreventive Effects Of Pterostilbene In Metastatic Prostate Cancer Cells, Phillip A. Zook
Chemopreventive Effects Of Pterostilbene In Metastatic Prostate Cancer Cells, Phillip A. Zook
PCOM Biomedical Studies Student Scholarship
Recent studies find that pterostilbene (PTS) exhibits more favorable drug properties and similar chemopreventive effects to its structural analogue resveratrol (RSV). However, few studies describe the activity of PTS in prostate cancer (PCa). Here, we conducted cell count experiments to assess the effects of PTS on metastatic PCa cell viability and to compare the potency of PTS to RSV in this respect. We also performed experiments to assess the effects of PTS on the androgen receptor (AR) and AR-mediated events. We used qPCR to measure the mRNA levels of the androgenresponsive gene (ARG), prostate-specific antigen (PSA), and Western blots to …
An Analysis Of Abnormal Electrocardiograms In First And Second Year Medical School Students, Molly Anne Kalish
An Analysis Of Abnormal Electrocardiograms In First And Second Year Medical School Students, Molly Anne Kalish
PCOM Biomedical Studies Student Scholarship
The high stress level placed upon medical school students, particularly during their first and second didactic years, may have a negative effect on their health. Although surveys and subjective questionnaires have been used to evaluate the effects medical school has upon a student’s cardiovascular health, there has been little clinical data obtained to confirm this notion. The aim of this longitudinal study was to demonstrate whether any abnormal cardiovascular parameters, specifically QTc wave interval, cardiac axis vector and blood pressure abnormalities, could be documented to occur in two different classes of medical students during their first two years. Such information …
Comparison Of Semi-Automated And Manual Measurements Of Carotid Intima-Media Thickening, Oscar Mac Ananey, G Mellotte, V Maher
Comparison Of Semi-Automated And Manual Measurements Of Carotid Intima-Media Thickening, Oscar Mac Ananey, G Mellotte, V Maher
Articles
Carotid intima-media thickening (CIMT) is a marker of both arteriosclerotic and atherosclerotic risks. Technological advances have semiautomated CIMT image acquisition and quantification. Studies comparing manual and automated methods have yielded conflicting results possibly due to plaque inclusion in measurements. Low atherosclerotic risk subjects (n = 126) were recruited to minimise the effect of focal atherosclerotic lesions on CIMT variability. CIMT was assessed by high-resolution B-mode ultrasound (Philips HDX7E, Phillips, UK) images of the common carotid artery using both manual and semiautomated methods (QLAB, Phillips, UK). Intraclass correlation coefficient (ICC) and the mean differences of paired measurements (Bland-Altman method) were used …
Ethical Dilemmas Posed In The Care Of Obese Patients In The Emergency Department, Arvind Venkat, Gregory Luke Larkin
Ethical Dilemmas Posed In The Care Of Obese Patients In The Emergency Department, Arvind Venkat, Gregory Luke Larkin
Journal of Health Ethics
The rising prevalence of obesity represents a health care crisis. As the gateway to the health care system, the emergency department is the clinical setting where the difficulties posed by the care of obese patients are heightened. These difficulties include the increasing burden of obesity-related illnesses, the challenges posed in diagnostic evaluation and treatment and the known barriers to access to care seen in this patient population. The limitations posed by obesity on care in the emergency department, the one guaranteed access point for medical treatment, creates a series of ethical dilemmas for emergency physicians and the facilities in which …
Comparison Of Body Composition Measures In Older Adult Males, Cody Smith
Comparison Of Body Composition Measures In Older Adult Males, Cody Smith
Honors Projects
Body Mass Index (BMI) is a measure created to assess population wide staistics of obesity and stratify health risk. However, there are large differences in health risk when comparing BMI with measures of body composition. BMI is not a measure of body composition. Body composition measures are used to distinguish between fat mass, fat-free mass. This percent body fat is more significantly correlated with health risk.
This study analyzed various body composition methodologies including waist circumference at the umbilicus and at the narrowest point of the abdomen, sagittal abdominal diameter, bioelectrical impedance analysis, and air displacement plethysmography. The study’s purpose …
Young Australian Adults’ Reactions To Viewing Personalised Uv Photoaged Photographs, Lori L. Presti, Paul Chang, Myra F. Taylor
Young Australian Adults’ Reactions To Viewing Personalised Uv Photoaged Photographs, Lori L. Presti, Paul Chang, Myra F. Taylor
Research outputs 2014 to 2021
Background: Despite two nationwide sun-protection awareness campaigns, young Australian adults continue to sunbathe. Since their primary motivation for tanning is appearance enhancement, it may well be that campaigns that highlight the negative effects of tanning on appearance are more effective than campaigns that emphasise the health risks associated with sun exposure.Aims: This study aims to explore young adults’ reactions to viewing a photoaged photograph of the sun damage already visible in their facial image.Methods: Semi-structured interviews were conducted with seven females and three males aged 20-30 years. The interview transcripts were transcribed verbatim and were then subjected to Interpretive Phenomenological …
Evolutionary Approaches For Feature Selection In Biological Data, Vinh Q. Dang
Evolutionary Approaches For Feature Selection In Biological Data, Vinh Q. Dang
Theses: Doctorates and Masters
Data mining techniques have been used widely in many areas such as business, science, engineering and medicine. The techniques allow a vast amount of data to be explored in order to extract useful information from the data. One of the foci in the health area is finding interesting biomarkers from biomedical data. Mass throughput data generated from microarrays and mass spectrometry from biological samples are high dimensional and is small in sample size. Examples include DNA microarray datasets with up to 500,000 genes and mass spectrometry data with 300,000 m/z values. While the availability of such datasets can aid in …
Effects Of Hepatic Ischemia-Reperfusion Injury On The P-Glycoprotein Activity At The Liver Canalicular Membrane And Blood-Brain Barrier Determined By In Vivo Administration Of Rhodamine 123 In Rats, M. K. Miah, Imam H. Shaik, Ulrich Bickel, Reza Mehvar
Effects Of Hepatic Ischemia-Reperfusion Injury On The P-Glycoprotein Activity At The Liver Canalicular Membrane And Blood-Brain Barrier Determined By In Vivo Administration Of Rhodamine 123 In Rats, M. K. Miah, Imam H. Shaik, Ulrich Bickel, Reza Mehvar
Pharmacy Faculty Articles and Research
Purpose To investigate the effects of normothermic hepatic ischemia-reperfusion (IR) injury on the activity of P-glycoprotein (P-gp) in the liver and at the blood-brain barrier (BBB) of rats using rhodamine 123 (RH-123) as an in vivo marker.
Methods Rats were subjected to 90 min of partial ischemia or sham surgery, followed by 12 or 24 h of reperfusion. Following intravenous injection, the concentrations of RH-123 in blood, bile, brain, and liver were used for pharmacokinetic calculations. The protein levels of P-gp and some other transporters in the liver and brain were also determined by Western blot analysis.
Results P-gp protein …