A fluorescence “turn-on” chemodosimeter for Cu2+ in aqueous solution based on the ion promoted oxidation

Junbo Li; Yang Zeng; Qihui Hu; Xianglin Yu; Jia Guo; Zhiquan Pan

doi:10.1039/C2DT12497A

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A fluorescence “turn-on” chemodosimeter for Cu²⁺ in aqueous solution based on the ion promoted oxidation†

Junbo Li,*^a Yang Zeng,^a Qihui Hu,^a Xianglin Yu,^a Jia Guo^a and Zhiquan Pan*^a

Author affiliations

* Corresponding authors

^a Hubei Novel Reactor & Green Chemical Technology Key Laboratory, Key Laboratory for Green Chemical Process of Ministry of Education, Wuhan Institute of Technology, 693 Xiongchu Avenue, Wuhan, Hubei Province, PR China
E-mail: jbli@mail.wit.edu.cn, zhiqpan@163.com

Abstract

We developed a novel method for Cu²⁺ detection based on the ion promoted oxidation reaction. Chemodosimeter L (weak fluorescence) can be oxidized into 3-benzothiazoly-7-N,N-diethylaminocoumarin (strong green fluorescence, coumarin 6) by Cu²⁺ with high selectivity and sensitivity in HEPES (10 mM, pH = 7.4) buffer containing 50% (v/v) water–CH₃CN solution.

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Article information

DOI: https://doi.org/10.1039/C2DT12497A
Article type: Communication
Submitted: 28 Dec 2011
Accepted: 30 Jan 2012
First published: 01 Feb 2012

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Dalton Trans., 2012,41, 3623-3626

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A fluorescence “turn-on” chemodosimeter for Cu²⁺ in aqueous solution based on the ion promoted oxidation

J. Li, Y. Zeng, Q. Hu, X. Yu, J. Guo and Z. Pan, Dalton Trans., 2012, 41, 3623 DOI: 10.1039/C2DT12497A

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Dalton Transactions