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Full-Text Articles in Medicine and Health Sciences

Virginia Air Quality: Trends, Exposure, And Respiratory Health Impacts, James Blando, My Ngoc Nguyen, Manasi Sheth-Chandra, Muge Akpinar-Elci Oct 2015

Virginia Air Quality: Trends, Exposure, And Respiratory Health Impacts, James Blando, My Ngoc Nguyen, Manasi Sheth-Chandra, Muge Akpinar-Elci

Virginia Journal of Science

Air quality is an important determinant of public health and quality of life. A secondary data analysis was carried out to investigate trends and air quality in Virginia. The analysis included an evaluation of two major air pollution source categories, emission of criteria and hazardous air pollutants, ambient concentrations of criteria pollutants, ozone standard violations and associated meteorology, and hospital admissions for asthma and chronic obstructive pulmonary disease in Virginia. Comparisons were also made to national trends and statistics. Data was gathered from many open reputable on-line sources available through various state and federal agencies. Virginia routinely meets 5 of …


Uptake Of Nanoparticles Of Cerium Oxide And Yttrium Oxide By Acanthamoeba Castellanii (Protozoa) And Daphnia Magna (Crustacea), James R. Palmieri, Geneva Gehring, Catherine Minichino, Shaadi F. Elswaifi Apr 2011

Uptake Of Nanoparticles Of Cerium Oxide And Yttrium Oxide By Acanthamoeba Castellanii (Protozoa) And Daphnia Magna (Crustacea), James R. Palmieri, Geneva Gehring, Catherine Minichino, Shaadi F. Elswaifi

Virginia Journal of Science

Currently, nanoparticles are synthesized and used at an unprecedented rate for industrial, medical, and research applications. The use of cerium oxide nanoparticles (CeONP) and yttrium oxide nanoparticles (YtONP) results in their spread as contaminants into the environment. Once in the environment, CeONP and YtONP can be taken up by organisms in the food chain where they may pose a public health risk. In this study we determine whether Acanthamoeba castellanii and Daphnia magna uptake CeONP or YtONP from their environment and thereby play a role in the transmission of the nanoparticles. Using electron microscopy, orgranisms exposed to the nanoparticles were …


A Comparison Of Different Methods For Predicting Cancer Mortality Counts At The State Level, Corinne Wilson Jan 2008

A Comparison Of Different Methods For Predicting Cancer Mortality Counts At The State Level, Corinne Wilson

Virginia Journal of Science

Cancer is a major health issue in the United States. Reliable estimates of yearly cancer mortality counts are essential for resourcing and planning. The American Cancer Society has used several methods of forecasting to estimate the future cancer burden and researchers are continually working to develop new methods with improved performance. There have been studies comparing different models for predicting the US cancer mortality counts. This study explores and compares several different models for cancer mortality count predictions at the state level, principally for the state of Virginia. Results of the comparisons appear to show the final improved model to …


Virginia's Pfiesteria Monitoring Program: Water Quality, Roger K. Everton, Wick T. Harlan, Jonathan W. Priest, Mark S. Alling Jan 1999

Virginia's Pfiesteria Monitoring Program: Water Quality, Roger K. Everton, Wick T. Harlan, Jonathan W. Priest, Mark S. Alling

Virginia Journal of Science

During the summer and early fall of 1998, 34 estuarine stations in Virginia were sampled for Pfiesteria like organisms (PLOs) and associated water quality conditions. Stations were sampled either bimonthly (20 stations) or monthly (14 stations) from June to October 1998. At each station, a set of live and Lugol' s preserved samples were collected for presumptive counts of PLOs and water quality conditions were determined. Water quality parame­ters measured included standard field parameters, nutrients (total, dissolved, and particulate), chlorophyll a, and conventional water quality indicators. Although PLOs were relatively low in 1998 as compared to 1997, presump­tive PLO counts …