A turn-on indole-based sensor for hydrogen sulfate ion

被引：6
|
作者：
Wan, Chin-Feng [1 ]
Yang, Shih-Tse [2 ]
Lin, Hsiang-Yi [2 ]
Chang, Ya-Ju [2 ]
Wu, An-Tai [2 ]
机构：
[1] Chung Shan Med Univ, Sch Appl Chem, Taichung 40201, Taiwan
[2] Natl Changhua Univ Educ, Dept Chem, Changhua 50058, Taiwan
来源：
LUMINESCENCE | 2014年 / 29卷 / 05期
关键词：
chemosensor; indole; fluorescence; hydrogen sulfate; turn-on; FLUORESCENT CHEMOSENSOR; RECEPTOR CHEMISTRY; ANION RECEPTOR; HIGHLIGHTS; HSO4;
D O I：
10.1002/bio.2575
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A simple indole-based receptor 1 was prepared by a simple Schiff-base reaction of 1H-indole-3-carbaldehyde with ethane 1,2-diamine and its fluoroionophoric properties toward anions were investigated. Indole-based receptor 1 acts as a selective turn-on fluorescent sensor for HSO4- in methanol among a series of tested anions. Fluorescence spectroscopy, ultraviolet and nuclear magnetic resonance imaging support that the HSO4- indeed interacted with imine nitrogen and the proton of nitrogen in indole ring. Copyright (C) 2013 John Wiley & Sons, Ltd.
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页码：500 / 503
页数：4
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