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

被引：30

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

页码：4750 / 4757

页数：8

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