Quinoline-based highly selective and sensitive fluorescent probe specific for Cd2+ detection in mixed aqueous media

被引：25

作者：

Ding, Xiaohu ^{[1
]}

Zhang, Feifei ^{[1
]}

Bai, Yinjuan ^{[1
]}

Zhao, Junxia ^{[1
]}

Chen, Xia ^{[1
]}

Ge, Man ^{[1
]}

Sun, Wei ^{[1
]}

机构：

[1] Northwest Univ, Coll Chem & Mat Sci, Minist Educ, Key Lab Synthet & Nat Funct Mol Chem, Xian 710127, Shaanxi, Peoples R China

来源：

TETRAHEDRON LETTERS | 2017年 / 58卷 / 40期

基金：

中国国家自然科学基金;

关键词：

Fluorescent probe; Quinoline; Cadmium(II) ions; Recognition; Density functional theory calculations; CADMIUM; SENSOR; PALLADIUM; MERCURY; SILVER; ZN2+; AL3+;

D O I：

10.1016/j.tetlet.2017.08.068

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Quinoline-based fluorescent probe as a recognition unit was designed and synthesized in this study. The probe R1 displayed excellent selectivity and sensitivity for cadmium ions (Cd2+) over a wide range of metal ions in acetonitrile-water (MeCN-H2O) mixed solution. In order to better understand the recognition mechanism between probe and Cd2+, the density functional theory calculations were performed. Finally, the colorimetric experiment result was observed and conveniently monitored by the naked eye, and a visual detection limit of 4 x 10(-6) mol L-1 was achieved. These experimental results indicated the promising potential of the probe to detect Cd2+ in biological system. Furthermore, the probe R1 was successfully used for the highly sensitive detection of Cd2+ in living cells. (C) 2017 Published by Elsevier Ltd.

引用

页码：3868 / 3874

页数：7

共 31 条

[1] A fluorescent carboxamide ligand, having combined ionophore/fluorophore moieties, exhibiting "On-Off" switching toward Zn2+ ion [J].