Visual detection of mercury(II) based on recognition of the G-quadruplex conformational transition by a cyanine dye supramolecule

被引：19

作者：

Chen, Hongbo ^{[1
,2
]}

Zhang, Xiufeng ^{[1
]}

Sun, Hongxia ^{[2
]}

Sun, Xiaoran ^{[1
]}

Shi, Yunhua ^{[2
]}

Xu, Shujuan ^{[2
]}

Tang, Yalin ^{[2
]}

机构：

[1] North China Univ Sci & Technol, Coll Chem Engn, Tangshan 063009, Peoples R China

[2] Chinese Acad Sci, State Key Lab Struct Chem Unstable & Stable Speci, Inst Chem, Natl Lab Mol Sci,Ctr Mol Sci, Beijing 100190, Peoples R China

来源：

ANALYST | 2015年 / 140卷 / 21期

基金：

中国国家自然科学基金;

关键词：

COLORIMETRIC DETECTION; OPTICAL-DETECTION; HG2+; SENSOR; NANOPARTICLE; POTASSIUM; IONS;

D O I：

10.1039/c5an01507c

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A supramolecular probe for visual detection of mercury (Hg) has been designed by using a cyanine dye and AS1411 G-quadruplexes, which exhibits an obvious color change from red to blue in response to an increased level of Hg2+. The supramolecular probe exhibits high selectivity and sensitivity towards Hg2+ and is promising for the detection of environmental samples with the naked eye.

引用

页码：7170 / 7174

页数：5

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