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Full-Text Articles in Life Sciences

Changes In Pm2.5 Peat Combustion Source Profiles With Atmospheric Aging In An Oxidation Flow Reactor, Judith C. Chow, Junji Cao, Lung-Wen Anthony Chen, Xiaoliang Wang, Qiyuan Wang, Jie Tian, Steven Sai Hang Ho, Adam C. Watts, Tessa B. Carlson, Steven D. Kohl, John G. Watson Oct 2019

Changes In Pm2.5 Peat Combustion Source Profiles With Atmospheric Aging In An Oxidation Flow Reactor, Judith C. Chow, Junji Cao, Lung-Wen Anthony Chen, Xiaoliang Wang, Qiyuan Wang, Jie Tian, Steven Sai Hang Ho, Adam C. Watts, Tessa B. Carlson, Steven D. Kohl, John G. Watson

Environmental & Occupational Health Faculty Publications

Smoke from laboratory chamber burning of peat fuels from Russia, Siberia, the USA (Alaska and Florida), and Malaysia representing boreal, temperate, subtropical, and tropical regions was sampled before and after passing through a potential-aerosol-mass oxidation flow reactor (PAM-OFR) to simulate intermediately aged (∼2 d) and well-aged (∼7 d) source profiles. Species abundances in PM2.5 between aged and fresh profiles varied by several orders of magnitude with two distinguishable clusters, centered around 0.1 % for reactive and ionic species and centered around 10 % for carbon. Organic carbon (OC) accounted for 58 %–85 % of PM2.5 mass in fresh profiles with …


Adminstration Of Micronized Caffeine Using A Novel Oral Delivery Film Results In Rapid Absorption And Electroencephalogram Suppression, Rochelle M. Hines, Matthew Khumnark, Ben Macphail, Dustine J. Hines Sep 2019

Adminstration Of Micronized Caffeine Using A Novel Oral Delivery Film Results In Rapid Absorption And Electroencephalogram Suppression, Rochelle M. Hines, Matthew Khumnark, Ben Macphail, Dustine J. Hines

Psychology Faculty Research

Route of administration is well-known to impact factors ranging from absorption and distribution, up through the subjective effects of active ingredients. Different routes of administration confer specific advantages, such as more rapid absorption resulting from intravenous injection, or increased convenience with oral administration, but a combination of both rapid and convenient delivery is highly desirable. QuickStrip™ was designed as a rapidly dissolving thin film matrix that contains active ingredients, which may be promising for rapid and convenient delivery via the oral mucosa. To assess the delivery of QuickStrip™, we administered the well-characterized active ingredient caffeine to mice and compared QuickStrip™ …


Socio-Ecological Wellness Wheel: Applied To Community Gardens To Measure Green Gentrification, Micajah Daniels, Courtney Coughenour Aug 2019

Socio-Ecological Wellness Wheel: Applied To Community Gardens To Measure Green Gentrification, Micajah Daniels, Courtney Coughenour

McNair Poster Presentations

This project is intended to use Black Feminist Health Studies as an interdisciplinary approach to analyze the holisitc impacts of community gardens on nutrition behaviors. The implementation of green spaces such as community gardens have been correlated to both benefits and unintended consequences which this study demonstrates through the Socio-Ecological Wellness Wheel. An empirical and systematic way of measuring garden quality through an audit tool using Black Feminist Health Studies could help measure the nutrition environment of the community gardens and how they may influence fruit and vegetable consumption of food insecure populations. The need for this study is highlighted …


Geographic And Socio-Economic Variation In Markers Of Indoor Air Pollution In Nepal: Evidence From Nationally-Representative Data, Saruna Ghimire, Shiva Raj Mishra, Abhishek Sharma, Adugna Siweya, Nipun Shrestha, Bipin Adhikar Feb 2019

Geographic And Socio-Economic Variation In Markers Of Indoor Air Pollution In Nepal: Evidence From Nationally-Representative Data, Saruna Ghimire, Shiva Raj Mishra, Abhishek Sharma, Adugna Siweya, Nipun Shrestha, Bipin Adhikar

Public Health Faculty Publications

Background In low-income countries such as Nepal, indoor air pollution (IAP), generated by the indoor burning of biomass fuels, is the top-fourth risk factor driving overall morbidity and mortality. We present the first assessment of geographic and socio-economic determinants of the markers of IAP (specifically fuel types, cooking practices, and indoor smoking) in a nationally-representative sample of Nepalese households. Methods Household level data on 11,040 households, obtained from the 2016 Nepal Demographic and Health Survey, were analyzed. Binary logistic regression analyses were conducted to assess the use of fuel types, indoor cooking practices, indoor smoking and IAP with respect to …