A new ESIPT-based fluorescent probe for highly selective and sensitive detection of hydrogen sulfide and its application in live-cell imaging†
Abstract
A new excited-state intramolecular proton transfer (ESIPT) based fluorescent probe for the detection of hydrogen sulfide has been reasonably designed and developed. The probe operates by H2S-mediated reduction of hydroxylamine to amine and exhibits high selectivity and sensitivity under mild conditions. Furthermore, the probe was successfully used for fluorescence imaging of H2S in living cells.

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