A Colorimetric Fluorescent Probe for SO2 Derivatives-Bisulfite and Sulfite at Nanomolar Level

Journal of Fluorescence
Jian ZhangZhiyuan Tian

Abstract

A colorimetric fluorescent probe with fluorescence emission feature sensitive to SO2 derivatives, i.e. bisulfite (HSO3-) and sulfite (SO32-), was developed based on the HSO3-/SO32--mediated nucleophilic addition reaction of the probe that. This probe exhibited SO32- sensing ability with detection limit down to 46 nM and desired selectivity over other reference anions and redox species. The preliminary fluorescence bioimaging experiments have validated the practicability of the as-prepared probe for SO2 derivatives sensing in living cells.

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Citations

Oct 18, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Xiang RongLei Zhang
Nov 13, 2020·The Analyst·Mei GaoZhuo Wang

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Methods Mentioned

BETA
fluorescence titration
Fluorescence
fluorescence cell imaging
column chromatography
fluorescence imaging

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