A bezoimidazole-based highly selective and low-background fluorescent sensor for Zn2+

被引：15

作者：

Wang, Xiaoqing ^{[2
]}

Liu, Zhipeng ^{[1
,3
]}

Qian, Fang ^{[3
]}

He, Weijiang ^{[3
]}

机构：

[1] Liaocheng Univ, Sch Chem & Chem Engn, Liaocheng 252000, Peoples R China

[2] Liaocheng Univ, Sch Mat Sci & Engn, Liaocheng 252000, Peoples R China

[3] Nanjing Univ, State Key Lab Coordinat Chem, Nanjing 210093, Jiangsu, Peoples R China

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2012年 / 15卷

关键词：

Benzoimidazole; Zn2+ fluorescence sensor; Dark background; ZINC; METALLONEUROCHEMISTRY; BIOLOGY; DESIGN; PROBES; CELLS;

D O I：

10.1016/j.inoche.2011.10.018

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

In this article, a new benzoimidazole based Zn2+ fluorescence sensor DABI has been prepared. The sensor displays a rapid and a linear response to Zn2+ with a red-shifted 100-fold turn-on signal from the dark background. The presence of other metal ions especially Cd2+ does not interfere with its Zn2+ response. Molecular modeling study suggests that the Zn2+-induced red shift of emission and fluorescence turn-on of DABI could be correlated to the coplanation of two aryl planes of 2-aryl substituted benzoimidazole. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：176 / 179

页数：4

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