Enantiospecific perfluorooctane sulfonate (PFOS) analysis reveals evidence for the source contribution of PFOS-precursors to the Lake Ontario foodweb.

@article{Asher2012EnantiospecificPS,
  title={Enantiospecific perfluorooctane sulfonate (PFOS) analysis reveals evidence for the source contribution of PFOS-precursors to the Lake Ontario foodweb.},
  author={Brian J Asher and Yuan Wang and Amila O De Silva and Sean M. Backus and Derek C G Muir and Charles S Wong and Jonathan W Martin},
  journal={Environmental science & technology},
  year={2012},
  volume={46 14},
  pages={7653-60}
}
Exposure to perfluorooctane sulfonate (PFOS) may arise directly, from emission and exposure to PFOS itself, or indirectly via the environmental release and degradation of PFOS-precursors. Human serum enantiomer fractions (EFs) of 1m-PFOS have been shown to be nonracemic, suggesting that PFOS-precursors are a significant source of PFOS in humans, but little is known about the importance of PFOS-precursors in ecosystems. In the current work, concentrations of PFOS, perfluorooctane sulfonamide… CONTINUE READING

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Alternative ecological pathways in the Eastern Lake Ontario food webRound goby in the diet of lake trout

J. P. Dietrich, B. J. Morrison, J. A. Hoyle
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