Airborne PET nanoplastics alter tobacco’s chemical risk

Proceedings of the National Academy of Sciences, Volume 122, Issue 51, December 2025.
Atmospheric micro(nano)plastics (MNPs), including polyethylene terephthalate (PET), enter plants via leaves, accumulating in tissues. Foliar PET nanoplastic exposure altersNicotiana benthamiananicotine biosynthesis, favoring the more potent (S)-isomer …
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