A novel 2-(Hydroxymethyl)quinolin-8-ol-based selective and sensitive fluorescence probe for Cd2+ ion in water and living cells

被引：67

作者：

Dai, Yanpeng ^{[1
]}

Yao, Kun ^{[1
]}

Fu, Jiaxin ^{[1
]}

Xue, Kun ^{[1
]}

Yang, Li ^{[2
]}

Xu, Kuoxi ^{[1
,2
]}

机构：

[1] Henan Univ, Coll Chem & Chem Engn, Engn Lab Flame Retardant & Funct Mat Hennan Prov, Kaifeng 475004, Henan, Peoples R China

[2] Henan Univ, Coll Chem & Chem Engn, Inst Environm & Analyt Sci, Kaifeng 475004, Henan, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2017年 / 251卷

基金：

中国国家自然科学基金;

关键词：

Quinolone; Fluorescent probe; Pure water; Cd2+; AQUEOUS-SOLUTION; ZINC IONS; CADMIUM EXPOSURE; SENSOR; QUINOLINE; CHEMOSENSOR; ANION; COMPLEX; ZN(II);

D O I：

10.1016/j.snb.2017.05.103

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A novel probe 1a based on hydroxymethylquinolin-8-ol was designed and synthesized. Probe 1a exhibited "turn-on" fluorescence response for Cd2+ ion over other ions in aqueous solutions (almost 100% water). The association constants of probe 1a toward Cd2+ ion were found to be 9.00 x 10(4) M-1 by Benesi-Hildebrand equation (R-2= 0.9995) and the limit of detection was calculated to be 1.18 x 10(-6) M. The mechanism of the complexation of 1a with Cd2+ had been studied by H-1 NMR, ESI-MS, FT-IR and X-ray crystal. Furthermore, in studies with living cells, probe 1a was almost no toxicity, cell-membrane-permeable and could be used to monitor Cd2+ ion in living cells. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：877 / 884

页数：8

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