A rhodanine-based fluorescent chemosensor for sensing Zn2+ and Cd2+: Applications to water sample and cell imaging

被引：26

作者：

Park, Soyoung ^{[1
]}

Lee, Hangyul ^{[1
]}

Yi, Yelim ^{[2
]}

Lim, Mi Hee ^{[2
]}

Kim, Cheal ^{[1
]}

机构：

[1] Seoul Natl Univ Sci & Tech SNUT, Dept Fine Chem, Seoul 01811, South Korea

[2] Korea Adv Inst Sci & Technol KAIST, Dept Chem, Daejeon 34141, South Korea

来源：

INORGANICA CHIMICA ACTA | 2020年 / 513卷

基金：

新加坡国家研究基金会;

关键词：

Rhodanine; Chemosensor; Fluorescence; Zn2+; Cd2+; Cell imaging; QUINOLINE-BASED CHEMOSENSOR; SELECTIVE DETECTION; AQUEOUS-SOLUTION; SENSOR; PROBE; ZINC; CADMIUM; SWITCH; LEAD; AL3+;

D O I：

10.1016/j.ica.2020.119936

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A rhodanine-based chemosensor RDV, ((E)-3-((2-hydroxy-3-methoxybenzylidene)amino)-2-thioxothiazolidin-4-one), was designed and synthesized. Compound RDV displayed selectivity to Zn2+ and Cd2+ through marked fluorescence increase in aqueous media. Importantly, cysteine was used for distinguishing RDV-Zn2+ and RDV-Cd2+. RDV had low detection limits (1.07 mu M for Zn2+ and 1.37 mu M for Cd2+). RDV proved to be a practical sensor to water sample analyses and cell imaging. The sensing mechanisms of RDV to Zn2+ and Cd2+ were illustrated by ESI-mass, fluorescence, FT-IR, UV-visible spectroscopy and theoretical calculations.

引用

页数：7

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