Selective off–on fluorescent chemosensor for detection of Fe3+ ions in aqueous media

Liang Huang; Fengping Hou; Ju Cheng; Pinxian Xi; Fengjuan Chen; Decheng Bai; Zhengzhi Zeng

doi:10.1039/C2OB26258D

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Selective off–on fluorescent chemosensor for detection of Fe³⁺ ions in aqueous media†

Liang Huang,^a Fengping Hou,^a Ju Cheng,^b Pinxian Xi,*^a Fengjuan Chen,^a Decheng Bai^b and Zhengzhi Zeng*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
E-mail: zengzhzh@yahoo.com.cn, xipx@lzu.edu.cn
Fax: +86931 8912582
Tel: +86 931 8912596

^b School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, P. R. China

Abstract

A Fe³⁺ chemosensor L1 was successfully synthesized with a quinoline moiety bound to rhodamine 6G hydrazide. The sensor L1 shows high selectivity and sensitivity to Fe³⁺ in aqueous solution in the presence of other trace metal ions in organisms, abundant cellular cations and prevalent toxic metal ions in the environment. In addition, biological imaging and micro computed tomography (MCT) technology studies have demonstrated that L1 could act as a turn-on fluorescent chemosensor for Fe³⁺ in living cells.

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Article information

DOI: https://doi.org/10.1039/C2OB26258D
Article type: Paper
Submitted: 03 Jul 2012
Accepted: 12 Oct 2012
First published: 12 Oct 2012

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Org. Biomol. Chem., 2012,10, 9634-9638

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Selective off–on fluorescent chemosensor for detection of Fe³⁺ ions in aqueous media

L. Huang, F. Hou, J. Cheng, P. Xi, F. Chen, D. Bai and Z. Zeng, Org. Biomol. Chem., 2012, 10, 9634 DOI: 10.1039/C2OB26258D

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Organic & Biomolecular Chemistry