BiochemistrybioRxivPreprint
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Widespread detection of Polyethylene glycol reveals chronic human exposure through pharmaceutical drugs
Harsha Gouda, Patricia Kelly, Luke Whiley…·Pieter C. Dorrestein
Polyethylene glycol in human biofluids can mark drug exposure rather than contamination; it is oxidized to acid metabolites and appears in 2.3% of public metabolomics files.
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