PCB exposure may be monitored by enantiomeric fraction patterns

"The enantiomeric enrichment of polychlorinated biphenyl (PCB) atropisomers has been reported in both wildlife and in humans. The biological processes causing this enrichment are only poorly investigated, a fact that limits the use of enantiomeric fractions (EFs) as a tool to study various processes of environmental relevance," scientists writing in the journal Environmental Science & Technology report.

I. Kania-Korwel and colleagues at the University of Iowa described, "To further understand these enantioselective processes, this study investigates the tissue distribution and...

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