A Schiff-based sensor with turn-on fluorescence for selective detection of Hg2+

被引：4
|
作者：
Wan, Chin-Feng [1 ]
Lin, Hsiang-Yi [2 ]
Chien, Cho [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 / 06期
关键词：
colorimetric; Schiff's base; fluorescence; turn-on; MERCURY; ION; MOLECULE; PROBE; ZN2+; METHYLMERCURY; CHEMOSENSOR; COMPLEXES; MECHANISM; BEHAVIOR;
D O I：
10.1002/bio.2592
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A simple Schiff-base colorimetric receptor 1 was prepared. It exhibits an off-on-type' mode with high sensitivity in the presence of Hg2+. The change in color is very easily observed by the naked eye in the presence of Hg2+, whereas other metal cations do not induce such a change. A Job plot indicated a 1:1 complexation stoichiometry between receptor 1 and Hg2+. The association constant for 1-Hg2+ in Tetrahydrofuran (THF) was determined to be 1.3x10(9)M(-1) using a Hill plot. Copyright (c) 2013 John Wiley & Sons, Ltd.
引用
收藏
页码：698 / 701
页数：4
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