Method development for the determination of PFAS in graminaceous plants
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Per- and polyfluoroalkyl substances (known more commonly as PFAS) are a wide-ranging class of manufactured chemicals that have been shown to be particularly environmentally persistent as a result of their unique physicochemical properties. Due to their environmental ubiquity and resistance to degradation, developing research has shown their bioaccumulation into a variety of environmental matrices with a range of toxicological impacts. However, despite an increase in interest and research into these compounds, there is still a clear gap in analytical methods to determine the concentration of PFAS across many different environmental media--particularly at critical points in agricultural food systems such as pasture grasses and feedstocks. This project seeks to develop a simple, effective and robust method for the extraction and determination of many common PFAS compounds in graminaceous plants. This method can be used by a variety of researchers or land managers who seek to survey PFAS contamination in prairie or pasture ecosystems, as well as those looking to identify mechanisms of uptake for PFAS compounds within these plant groups.
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M.S.