A rhodamine-based fluorescent probe for detecting Hg2+ in a fully aqueous environment

Xiaoli Chen; Xiangming Meng; Shuxing Wang; Yulei Cai; Yifan Wu; Yan Feng; Manzhou Zhu; Qingxiang Guo

doi:10.1039/C3DT51279G

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A rhodamine-based fluorescent probe for detecting Hg²⁺ in a fully aqueous environment†

Xiaoli Chen,^a Xiangming Meng,*^a Shuxing Wang,^a Yulei Cai,^ab Yifan Wu,^a Yan Feng,*^a Manzhou Zhu^a and Qingxiang Guo^b

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* Corresponding authors

^a Department of Chemistry, Anhui University, Hefei 230039, P. R. China
E-mail: mengxm@ahu.edu.cn, fy70@163.com
Fax: +86-551-5107342
Tel: +86-551-5108970

^b Department of Chemistry, University of Science and Technology, Hefei 230026, P. R. China

Abstract

A water-soluble fluorescent probe for Hg²⁺ based on a rhodamine B derivative was designed and synthesized. The new probe showed reversible colorimetric and fluorescent response to Hg²⁺ in a fully aqueous solution. The probe exhibited real-time detection of Hg²⁺ with high selectivity in media containing less than 1% organic cosolvent. Furthermore, bioimaging studies indicated that the new probe was cell permeable and suitable for the real-time imaging of Hg²⁺ in living cells by confocal microscopy.

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Article information

DOI: https://doi.org/10.1039/C3DT51279G
Article type: Paper
Submitted: 16 May 2013
Accepted: 29 Jul 2013
First published: 02 Aug 2013

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Dalton Trans., 2013,42, 14819-14825

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A rhodamine-based fluorescent probe for detecting Hg²⁺ in a fully aqueous environment

X. Chen, X. Meng, S. Wang, Y. Cai, Y. Wu, Y. Feng, M. Zhu and Q. Guo, Dalton Trans., 2013, 42, 14819 DOI: 10.1039/C3DT51279G

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Dalton Transactions