Substituent effect on fluorophores instead of ionophores: its implication in highly selective fluorescent probes for Zn2+ over Cd2+

Yongqian Xu; Liangliang Xiao; Yunfei Zhang; Shiguo Sun; Yi Pang

doi:10.1039/C3RA46468G

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Substituent effect on fluorophores instead of ionophores: its implication in highly selective fluorescent probes for Zn²⁺ over Cd²⁺†

Yongqian Xu,*^a Liangliang Xiao,^a Yunfei Zhang,^a Shiguo Sun*^a and Yi Pang^b

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* Corresponding authors

^a College of Science, Northwest A&F University, Yangling, Shaanxi, P.R. China
E-mail: xuyq@nwsuaf.edu.cn, sunsg@nwsuaf.edu.cn

^b Department of Chemistry & Maurice Morton Institute of Polymer Science, The University of Akron, Akron, OH, USA

Abstract

Three fluorescent molecules with different substituent modification on 5-position showing different extents of fluorescent response to Zn²⁺ and distinct discriminating effect of R_Zn/R_Cd have been readily synthesized. The addition of a dithiol group induces the discriminating effect of R_Zn/R_Cd to be obviously improved from twice to 32 times.

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Article information

DOI: https://doi.org/10.1039/C3RA46468G
Article type: Communication
Submitted: 07 Nov 2013
Accepted: 10 Dec 2013
First published: 10 Dec 2013

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RSC Adv., 2014,4, 4827-4830

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Substituent effect on fluorophores instead of ionophores: its implication in highly selective fluorescent probes for Zn²⁺ over Cd²⁺

Y. Xu, L. Xiao, Y. Zhang, S. Sun and Y. Pang, RSC Adv., 2014, 4, 4827 DOI: 10.1039/C3RA46468G

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