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RECENT chemical studies revealed that pyrrolizidine alkaloids are accompanied in the plants by their N-oxides 1. In young growing plants, N-oxides may constitute more than 90 per cent of the ...

Cavitation microbubble dissolution in a light-acclimated Senecio minimus guard cell. Credit: Proceedings of the National Academy of Sciences (2025). DOI: 10.1073/pnas.2419887122 ...