Wellness Center at Read Hall (Building 18) - Gymnasium Apr 25, 2019
All Participants 15:00 - 16:00

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  • Education
  • Biochemistry
  • Psychology
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  • Public Health
  • Comparative Womens Studies, Religious Studies, & Sociology
  • Environmental & Health Sciences
A Comparison of Two Atlanta Built Environments: Do they Offer Equitable Opportunities for Enhancing Physical Health?
03:00 - 04:00

The built environment includes all of the physical parts of where we live and work. This not only includes homes and buildings, but also infrastructure including sidewalks, parks, open space, and green space. The built environment influences physical health to combat obesity and other chronic diseases that may plague urban populations. All built environments, however, aren’t created equal. The purpose of this research is to analyze specific usage levels of the Atlanta Beltline, a loop of multi-use trails and parks that will ultimately span 45 neighborhoods across the City of Atlanta. Built environments similar to the Beltline provide a space for people to engage in free or low-cost physical activities including walking, running, cycling, or other modes of exercise. The Beltline currently spans two demographically diverse parts of Atlanta via the East and Westside Trails. By using an observational method, SOPARC, the System for Observing Play and Active Recreation in Communities, observations will be made that include usage and activity levels from different access points along each trail. Trail amenities and the diversity and quantity of organized health promotion activities will also be assessed to determine if the Beltline provides equitable access to physical activity opportunities across different geographies and populations in Atlanta.

 

Biodiversity and Intra-Genomic Variation of Amoebozoa Based on Small Subunit rDNA (18S)
03:00 - 04:00

Amoebozoa includes unicellular eukaryotic microbes that use pseudopodia to move and to feed. They are diverse, occupying many habitats including freshwater and marine environments as well as parasites affecting humans and other livestock. The biodiversity of Amoebozoa is mostly studied at a molecular level using small subunit (SSU) rDNA 18S; however, the study is biased towards medically important amoebae. Recent work in molecular systematics of Amoebozoa has generated large sequence data, but no study has analyzed a comprehensive phylogeny using the large number of 18S data available. This research project collected and analyzed over 4000 18S sequences to build a phylogenetic tree and examine the intra-genomic variation of 18S in Amoebozoa. The collected information showed that some groups such as Tubulinea are underrepresented when compared to other groups such Discosea and Evosea. To get a more accurate representation of amoeba and their relationship with each other as it pertains to the 18S gene, more data has to be collected on the certain groups of amoebae that are understudied. This study also revealed intragenomic variation of 18S in few amoebae species raning from 0.1-2.6%. While the observed intragenomic variation of 18S is lower than expected, it is worth to consider this variance when building phylogenetic tree and DNA barcoding using this marker.

 

 

 

 

Diabetic Health Disparities: A Pilot Review of Contributing Factors In Cape Town, South Africa
03:00 - 04:00

Diabetes is a major source of morbidity and mortality in South Africa. Epidemiologic studies estimate that 7% of adults aged 21 to 79 (3.85 million people) have diabetes. Economic support for diseases such as tuberculosis and HIV are significant in the region; however, what is not known is whether budgetary disparities exist for diabetes. We sought to determine the financial allocation toward diabetes prevention, diagnosis, and treatment compared to that of other infectious diseases. We hypothesize that if there is a high incidence and prevalence of diabetes in South Africa then there will be a similar percentage of expenditures spent on combatting diabetes. A pilot study was conducted using secondary literature analysis and randomized survey-based study to illicit quantitative and qualitative data on diabetic literacy of South Africans in the industrial city of Cape Town. It was concluded that 100% of the respondents had a family history of diabetes, while only 50% of the respondents had knowledge on the types of diabetes. 60% of respondents had knowledge of what a normal A1C hemoglobin level was.Studies estimate 3.4 billion dollars were spent on diabetes healthcare in 2015, the lowest of any region. Results from this study suggest there is a need to increase money in the areas of prevention, diagnosis, and treatment given the lack of literacy and expenditures.

Analyzing Gender Differences in Life Satisfaction, Job Satisfaction, and Depressive Symptoms
03:00 - 04:00

Secondary data analyses were conducted using the National Longitudinal Study of Adolescent to Adult Health to determine if there were gender differences in job satisfaction, life satisfaction, and depressive symptoms. The sample was comprised of 4,482 men and women, ages 18-26. The majority of the participants consisted of White (69.4%) individuals and the majority identified with the Baptist denomination (42.7%). Data were collected via in-home interview questionnaires. A multivariate analysis of variance was conducted to determine whether there are gender differences in job satisfaction, life satisfaction, and depressive symptoms. Results indicated significant gender differences in depressive symptoms, specifically, but not job satisfaction or life satisfaction. Consistent with previous research, females reported more depressive symptoms than males. Implications of results will be discussed.

Bioconjugation Analysis of Soft Polymer Microgel Particles for Advanced Biomaterials
03:00 - 04:00

Zero-length crosslinkers are used in reagent systems for bioconjugation.In this project, copolymerized poly-n-isopropylacrylamide (NIPAM) – co – acrylic acid (AAc) [90/10] microgels are the targeted reagent systems for bioconjugation, because of their unique ability to change in size, in direct correlation temperature change. NIPAM-co-AAc microgels, containing 2wt% N,N’methylenebisacrylamide (BIS) crosslinking agent, were synthesized prior via precipitation polymerization. In this work, the carboiimide crosslinking bioconjugation reaction was preformed by crosslinking Alexa Fluro 488 Cadaverine to the carboxylic acid functional groups, on the surface of the microgel particles. The conjugation was initiated by synthesizing 1-ethyl-3-(3-(dimethylamino)propyl)carbodiimide (EDC), followed by stabilizing sulfo-NHS ester. The efficacy of this carbodiimide bioconjugation experiment is further verified by quantifying the measuring the fluorescence intensity, as a function of the reacted flurorphor concentration. The fluorescence intensity values were collected on an optical microscope, using image analysis software. The expected results are that fluoresecne intensity will correspond with the initial concentration of added flurophor; thus, will serve as confirmation for successfully conjugating a biomolecule to the surface of the microgel particles. Future work will include conjugating other biomolecules to the surface of the microgels, to investigate their thermo-reversible behavior on flat substrates in preparation to develop them into biosensors.

 

 

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Spelman College
Spelman College
Spelman College
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