A dual chemosensor for Zn2+ and Co2+ in aqueous media and living cells: Experimental and theoretical studies

被引：68
|
作者：
Park, Gyeong Jin [1 ,2 ]
Lee, Jae Jun [1 ,2 ]
You, Ga Rim [1 ,2 ]
Nguyen, LeTuyen [3 ,4 ]
Noh, Insup [3 ,4 ]
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] Seoul Natl Univ Sci & Technol, Dept Chem & Biomol Engn, Seoul 139743, South Korea
[4] Seoul Natl Univ Sci & Technol, Convergence Program Biomed Engn & Biomat, Seoul 139743, South Korea
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2016年 / 223卷
基金：
新加坡国家研究基金会;
关键词：
Fluorescence; Colorimetric; Determination of Zn ion; Determination of Co ion; Chemosensor; Cell imaging; ENDOGENOUS ZINC IONS; TURN-ON CHEMOSENSOR; FLUORESCENT-PROBE; SELECTIVE DETECTION; ENVIRONMENTAL WATER; MONITORING ZN2+; SENSOR; CADMIUM; ENERGY; NICKEL;
D O I：
10.1016/j.snb.2015.09.129
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new versatile 'dual' chemosensor 1 has been synthesized for Zn2+ and Co2+. The sensor 1 comprises of quinoline as a fluorophore and N-1,N-1-dimethylethane-1,2-diamine as a water-soluble functional group. Sensor 1 showed a remarkable fluorescence enhancement in the presence of Zn2+ in aqueous solution. The sensor 1 also acted as a colorimetric sensor for Co2+ by changing its color from colorless to yellow. Importantly, the chemosensor 1 could be used to quantify Zn2+ and Co2+ in water samples and to image and quantify Zn2+ in living cells. Moreover, the sensing mechanisms of 1 for Zn2+ and Co2+ were supported by theoretical calculations. Therefore, this sensor has the ability to be a practical system for monitoring Zn2+ and Co2+ concentrations in biological systems and aqueous samples. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：509 / 519
页数：11
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