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Research Interests My research interests are in the field of environmental and bioanalytical chemistry of trace metals and organometallic compounds, which include the development of new analytical techniques for speciation of metals and metalloids, and their fate and transport in the environmental and biological systems. My current research is focused on 1) the study of arsenic in soil-plant systems, including the development of speciation techniques and the study of mechanisms of arsenic accumulation and detoxification in arsenic hyperaccumulating plants; 2) the study of the environmental and public health impact of arsenic from anthropogenic sources such as the uses of CCA-treated wood and arsenic-containing herbicides on golf courses; and 3) the study of the fate and transport of trace metals and metalloids in the South Florida Ecosystems, especially the biogeochemical cycling of mercury in the Everglades.
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