An effective colorimetric and ratiometric fluorescent probe for bisulfite in aqueous solution

Analytica Chimica Acta
Xi DaiBao-Xiang Zhao

Abstract

We have developed the first two-photon colorimetric and ratiometric fluorescent probe, BICO, for the detection of bisulfite (HSO3(-)) in aqueous solution. The probe contains coumarin and benzimidazole moieties and can detect HSO3(-) based on the Michael addition reaction with a limit of detection 5.3 × 10(-8) M in phosphate-buffered saline solution. The probe was used to detect bisulfite in tap water, sugar and dry white wine. Moreover, test strips were made and used easily. We successfully applied the probe to image living cells, using one-photon fluorescence imaging. BICO overcomes the limitations in sensitivity of previously reported probes and the solvation effect of bisulfite, which demonstrates its excellent value in practical application.

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Citations

Dec 20, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Tong HuangYongfeng Zhou
Jul 28, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Ming Hui ChuaJianwei Xu
Nov 22, 2019·Chemical Society Reviews·Sang-Hyun ParkInjae Shin
Jun 10, 2020·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Di YangZhao-Min Lin
Dec 28, 2016·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Hridesh AgarwallaAmitava Das
Jul 18, 2019·Chemical Reviews·Duxia CaoWeiying Lin

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