A novel NIR fluorescent probe for the double-site and ratiometric detection of SO2 derivatives and its applications

Jianming Zhu; Fengyun Qin; Di Zhang; Jun Tang; Wenya Liu; Wenbo Cao; Yong Ye

doi:10.1039/C9NJ03997J

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A novel NIR fluorescent probe for the double-site and ratiometric detection of SO₂ derivatives and its applications†

Jianming Zhu,^a Fengyun Qin,^a Di Zhang,*^b Jun Tang,^a Wenya Liu,^a Wenbo Cao*^c and Yong Ye

Author affiliations

* Corresponding authors

^a Phosphorus Chemical Engineering Research Center of Henan Province, The College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450052, China
E-mail: yeyong@zzu.edu.cn

^b Institute of Agricultural Quality Standards and Testing Technology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
E-mail: pandy811@163.com

^c School of Basic Medical Science, Zhengzhou University, Zhengzhou 450001, China
E-mail: caowenbo@zzu.edu.cn

Abstract

A feasible double-site near-infrared (NIR) fluorescent probe Q5 based on xanthenes was developed. Probe Q5 showed clearly HSO₃⁻ induced changes in the fluorescence ratio of two well-separated NIR and VIS peaks, showing excellent selectivity compared with other analytes. And the detection limit of the probe for HSO₃⁻ was found to be 89 nM. Furthermore, fluorescence imaging experiments of HSO₃⁻ in CEM cells revealed that the probe has potential application value in biological systems.

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Article information

DOI: https://doi.org/10.1039/C9NJ03997J
Article type: Paper
Submitted: 01 Aug 2019
Accepted: 03 Sep 2019
First published: 04 Sep 2019

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New J. Chem., 2019,43, 16806-16811

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A novel NIR fluorescent probe for the double-site and ratiometric detection of SO₂ derivatives and its applications

J. Zhu, F. Qin, D. Zhang, J. Tang, W. Liu, W. Cao and Y. Ye, New J. Chem., 2019, 43, 16806 DOI: 10.1039/C9NJ03997J

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