Abstract

ABSTRACT A new fluorescent probe HSL-AI derived from imidazo [1,5- a]pyridine was synthesised for the detection of hydrazine (N2H4) based on excited-state intramolecular proton transfer (ESIPT). HSL-AI was designed using acetyl group as the recognition site and exhibited high selectivity towards N2H4 with a low limit of detection (2.56 ppb). Moreover, HSL-AI was successfully applied to detect N2H4 in living cells.

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