A turn-on and reversible Schiff base fluorescence sensor for Al3+ ion

Chang-Hung Chen; De-Jhong Liao; Chin-Feng Wan; An-Tai Wu

doi:10.1039/C3AN00004D

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A turn-on and reversible Schiff base fluorescence sensor for Al³⁺ ion†

Chang-Hung Chen,^a De-Jhong Liao,^a Chin-Feng Wan*^b and An-Tai Wu*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, National Changhua University of Education, Changhua 50058, Taiwan
E-mail: antai@cc.ncue.edu.tw, jeanwan02@yahoo.com.tw

^b School of Applied Chemistry, Chung Shan Medical University, Taichung City 40201, Taiwan

Abstract

A simple Schiff-base receptor 2 was prepared. It exhibits an “off-on-type” mode with high sensitivity in the presence of Al³⁺. The receptor 2 exhibited a high association constant with submicromolar detection for Al³⁺ in EtOH–H₂O (95 : 5 v/v) solution. The addition of EDTA quenches the fluorescence of the receptor 2·Al³⁺ complex offering receptor 2 as a reversible chemosensor.

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Article information

DOI: https://doi.org/10.1039/C3AN00004D
Article type: Communication
Submitted: 17 Oct 2012
Accepted: 04 Mar 2013
First published: 05 Mar 2013

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Analyst, 2013,138, 2527-2530

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A turn-on and reversible Schiff base fluorescence sensor for Al³⁺ ion

C. Chen, D. Liao, C. Wan and A. Wu, Analyst, 2013, 138, 2527 DOI: 10.1039/C3AN00004D

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