A novel reaction-based fluorescent probe for sensitive and selective detection of Cu2+

被引：21

作者：

Ren, Aishan ^{[1
]}

Zhu, Dongjian ^{[1
]}

Xie, Wei ^{[1
]}

He, Xingcun ^{[1
]}

Duan, Zhenhua ^{[1
]}

Luo, Yanghe ^{[1
]}

Zhong, Xing ^{[1
]}

Song, Mubo ^{[1
]}

Yan, Xiaowei ^{[1
]}

机构：

[1] Hezhou Univ, Res Inst Food Sci & Engn Technol, Coll Food & Bioengn, Hezhou 542899, Peoples R China

来源：

INORGANICA CHIMICA ACTA | 2018年 / 476卷

基金：

中国国家自然科学基金;

关键词：

Copper ion; 6-Acetyl-2-hydroxynaphthalene; Fluorescent probe; Turn-on; TURN-ON FLUORESCENT; LIVING CELLS; AQUEOUS-SOLUTION; COPPER(II) IONS; METAL-IONS; CHEMODOSIMETER; MITOCHONDRIA; SPECTROMETRY; SENSOR; WATER;

D O I：

10.1016/j.ica.2018.02.015

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A novel reaction-based fluorescent probe (2) for Cu2+ was designed and synthesized. 2 exhibited remarkable fluorescence enhancement (65-fold) after the addition of Cu2+. Base on the absorption spectra, fluorescence spectra, ESI-MS and H-1 NMR spectra analysis, the fluorescence response was attributed to Cu2+-promoted hydrolysis of the picolinate moiety to yield a highly fluorescent product, 6-acetyl-2-hydroxynaphthalene (1). Moreover, 2 not only displayed a rapid response time (within 6 min), high sensitivity (detection limit of 8.5 nM), and high selectivity for Cu2+ over other metal ions, but also could detect Cu2+ by absorption spectra, fluorescence spectra, even an obvious fluorescence color change at room temperature. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：136 / 141

页数：6

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