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Friday, June 23, 2017 at 1:00pm
Wilson Synchrotron Lab, 3rd Floor Commons
"An exploration of arsenic and other trace elements at the soil-plant interface across scales and environments"
Abstract: Arsenic is a toxic and carcinogenic metalloid that is naturally present in the environment at trace levels. In addition, arsenic can be introduced to environments through pesticide use and other human activities. Here, we explore the nano-to-microscale processes that occur in soil/sediment environments that allow arsenic to be mobilized and plant-available, and the macroscale implications of those processes. Synchrotron-based imaging and spectroscopy are utilized in conjunction with wet chemical methods to elucidate how arsenic and other metals makes their way into food (rice, mushrooms) that we commonly consume. We will also explore ways that we can lower arsenic (and other metal) accumulation in those foods via soil manipulation.
Kathy Dedrick
607 255-7163
Angelia Seyfferth
University of Delaware
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