A label-free fluorescent sensor for Hg2+ based on target-induced structure-switching of G-quadruplex

被引:12
|
作者
Bai, Yunfeng [1 ,2 ]
Feng, Feng [1 ,2 ]
Zhao, Lu [2 ]
Chen, Zezhong [2 ]
Wang, Haiyan [2 ]
Duan, Yali [1 ]
机构
[1] Shanxi Normal Univ, Sch Chem & Mat Sci, Linfen 041004, Peoples R China
[2] Shanxi Datong Univ, Coll Chem & Chem Engn, Datong 037009, Peoples R China
基金
中国国家自然科学基金;
关键词
SURFACE-PLASMON RESONANCE; MERCURY(II) IONS; COLORIMETRIC DETECTION; GOLD NANOPARTICLES; AQUEOUS-SOLUTIONS; MULTIPLEXED ANALYSIS; SENSITIVE DETECTION; DNA-PROBE; SPECTROMETRY; CHROMATOGRAPHY;
D O I
10.1039/c3ay42023j
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A highly sensitive and selective label-free fluorescent sensor was designed for Hg2+ based on the Hg2+-induced conformational change of G-quadruplex with protoporphyrin IX (PPIX) as a signal reporter.
引用
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页码:662 / 665
页数:4
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