Detection of Zinc(II) by a Fluorescence Chemosensor Based on Benzofuran in Aqueous Media and Live Cells

被引：5

作者：

Jang, Hyo Jung ^{[1
]}

Kim, Ahran ^{[1
]}

Jung, Jae Min ^{[1
]}

Lee, Misun ^{[2
]}

Lim, Mi Hee ^{[2
]}

Kim, Cheal ^{[1
]}

机构：

[1] Seoul Natl Univ Sci & Technol SNUT, Dept Fine Chem, Seoul 138740, South Korea

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

来源：

BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2018年 / 39卷 / 12期

基金：

新加坡国家研究基金会;

关键词：

Cell imaging; Fluorescence sensor; Zinc; Theoretical calculations; EFFECTIVE CORE POTENTIALS; SCHIFF-BASE; TURN-ON; MOLECULAR CALCULATIONS; RATIOMETRIC RESPONSE; SENSOR; ZN2+; PROBE; IONS; AL3+;

D O I：

10.1002/bkcs.11608

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A fluorescence chemosensor HBC ((E)-3-((2-hydroxybenzylidene)amino)benzofuran-2-carboxamide) for detection of Zn2+ was designed by the condensation combination of 3-aminobenzofuran-2-carboxamide and salicylaldehyde. Sensor HBC showed an excellent selective "off-on" fluorescent response toward Zn2+. Detection limit (1.08 mu M) for Zn2+ was much lower than the WHO standard (76.0 mu M). Importantly, HBC could recognize and quantify Zn2+ in real samples and live cells. Detection process of HBC for Zn2+ was explained by ESI-mass, Job plot, UV-Vis and H-1 NMR titrations, and theoretical calculations.

引用

页码：1373 / 1379

页数：7

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