A new indazole-based colorimetric chemosensor for sequential detection of Cu2+ and GSH in aqueous solution

被引：28
|
作者：
Kim, Min Seon [1 ,2 ]
Jung, Jae Min [1 ,2 ]
Kang, Ji Hye [1 ,2 ]
Ahn, Hye Mi [1 ,2 ]
Kim, Pan-Gi [3 ]
Kim, Cheal [1 ,2 ]
机构：
[1] Seoul Natl Univ Sci & Technol, Dept Fine Chem, Seoul 139743, South Korea
[2] Seoul Natl Univ Sci & Technol, Dept Interdisciplinary Bio IT Mat, Seoul 139743, South Korea
[3] Kyungpook Natl Univ, Sch Ecol & Environm Syst, Sangju 37224, South Korea
来源：
TETRAHEDRON | 2017年 / 73卷 / 32期
基金：
新加坡国家研究基金会;
关键词：
Colorimetric; Copper; Glutathione; Sequential detection; Theoretical calculations; EFFECTIVE CORE POTENTIALS; FLUORESCENT SENSOR; SELECTIVE DETECTION; METAL-IONS; MOLECULAR CALCULATIONS; BIOLOGICAL THIOLS; RELAY RECOGNITION; COPPER COMPLEX; CU(II); CYSTEINE;
D O I：
10.1016/j.tet.2017.06.051
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A new selective and sensitive colorimetric chemosensor 1 was developed for the sequential detection of Cu2+ and glutathione (GSH) in aqueous solution. The sensor 1 detected Cu2+ ion by an obvious color change from colorless to pale yellow. Importantly, 1 could be used to detect and quantify Cu2+ ion in water samples, and the detection limit (0.14 mu M) of 1 for Cu2+ was much lower than the guideline (31.5 mu M) of WHO in drinking water. Also, Cu2+-2.1 complex can be used as a colorimetric sensor for GSH via naked -eye. The detection limit for GSH was founded to be 2.98 mu M. Moreover, the sensing ability of 1 for Cu2+ was supported by theoretical calculations. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4750 / 4757
页数：8
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