A ratiometric fluorescent sensor for Ag+ based on 8-hydroxyquinoline platform in aqueous media

Huajie Xu; Zhaodi Liu; Liangquan Sheng; Deqian Huang; Hong Zhang; Chongfu Song; Mingming Chen; Wuyang Hua

doi:10.1039/C3AY40277K

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A ratiometric fluorescent sensor for Ag⁺ based on 8-hydroxyquinoline platform in aqueous media†

Huajie Xu,^a Zhaodi Liu,*^a Liangquan Sheng,^a Deqian Huang,^a Hong Zhang,^a Chongfu Song,^a Mingming Chen^ab and Wuyang Hua^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, Fuyang Normal College, Fuyang, China
E-mail: zhaodi_liu@163.com
Fax: +86-558-2593836
Tel: +86-558-2593836

^b Department of Chemistry, Anhui University, Hefei, China

Abstract

The ratiometric fluorescent sensor L based on 8-hydroxyquinoline has been designed and synthesized. In aqueous media, L exhibits a ratiometric response to Ag⁺ in the presence of competing metal ions with a large blue-shift of 76 nm. The good linear relationship is easily obtained between the fluorescence changes and the concentrations in the range of 0–80 μM. The complexation mode has been proposed by fluorescence titration, ¹H NMR, IR and MS mass spectrometer experiments.

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Article information

DOI: https://doi.org/10.1039/C3AY40277K
Article type: Communication
Submitted: 18 Feb 2013
Accepted: 04 Apr 2013
First published: 05 Apr 2013

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Anal. Methods, 2013,5, 2929-2932

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A ratiometric fluorescent sensor for Ag⁺ based on 8-hydroxyquinoline platform in aqueous media

H. Xu, Z. Liu, L. Sheng, D. Huang, H. Zhang, C. Song, M. Chen and W. Hua, Anal. Methods, 2013, 5, 2929 DOI: 10.1039/C3AY40277K

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Analytical Methods