A rhodamine-based fluorescent sensor for the highly selective and sensitive detection of mercury in aqueous solution and living cells

Daying Liu; Jing Qi; Xiaoyan Liu; Zhigang Cui; Hexi Chang; Jiatong Chen; Huarui He; Guangming Yang

doi:10.1039/C4AY00641K

A rhodamine-based fluorescent sensor for the highly selective and sensitive detection of mercury in aqueous solution and living cells

Daying Liu,^a Jing Qi,^a Xiaoyan Liu,^a Zhigang Cui,^b Hexi Chang,^b Jiatong Chen,^c Huarui He*^b and Guangming Yang*^a

* Corresponding authors

^a Department of Chemistry, Nankai University, Tianjin, China
E-mail: yanggm@nankai.edu.cn
Fax: +86 22 23508545
Tel: +86 22 23501230

^b Heowns Biochem Technologies LLC, Tianjin, China
E-mail: huarui.he@heowns.com
Fax: +86 22 83717748
Tel: +86 22 83717408

^c Department of Biochemistry and Molecular Biology, Nankai University, Tianjin, China
E-mail: chenjt55@nankai.edu.cn

Abstract

A novel Hg²⁺-selective fluorescent sensor (Sensor-Hg) based on a rhodamine scaffold, with N-Ethylthioethyl-N-[N′,N′-(2′-Diethylthioethylamino)-5′-methyl-Phenoxyethyl]-2-Methoxy Aniline (EDPMA) as a receptor, has been developed. Sensor-Hg exhibited ∼35-fold enhancement in fluorescence emission upon binding with Hg²⁺, with a characteristic emission band of rhodamine at ∼585 nm. It demonstrates high selectivity and sensitivity for detecting Hg²⁺ in aqueous solution and living cells.

Supplementary files

Publication details

The article was received on 14 Mar 2014, accepted on 04 Apr 2014 and first published on 04 Apr 2014

Article type: Communication

DOI: 10.1039/C4AY00641K

Citation: Anal. Methods, 2014,6, 3578-3581

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A rhodamine-based fluorescent sensor for the highly selective and sensitive detection of mercury in aqueous solution and living cells

D. Liu, J. Qi, X. Liu, Z. Cui, H. Chang, J. Chen, H. He and G. Yang, Anal. Methods, 2014, 6, 3578
DOI: 10.1039/C4AY00641K
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Analytical Methods

A rhodamine-based fluorescent sensor for the highly selective and sensitive detection of mercury in aqueous solution and living cells

Abstract

Supplementary files

Publication details

A rhodamine-based fluorescent sensor for the highly selective and sensitive detection of mercury in aqueous solution and living cells

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