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. Author manuscript; available in PMC: 2021 Oct 20.
Published in final edited form as: Acc Chem Res. 2020 Sep 15;53(10):2273–2285. doi: 10.1021/acs.accounts.0c00402

Scheme 2.

Scheme 2.

(top) Molecular AND logic gate model operation. (bottom) Analyte sensing and subsequent CO release using extended flavonol (left) and truth table based on input−output signal correlation pattern, indicating a highly regulated CO delivery (only in the sequential presence of all three inputs will CO release be enabled) (right).