A supramolecular probe for colorimetric detection of Pb2+ based on recognition of G-quadruplex

被引：26
|
作者：
Chen, Hongbo [1 ,2 ]
Sun, Hongxia [2 ]
Zhang, Xiufeng [1 ]
Sun, Xiaoran [1 ]
Shi, Yunhua [2 ]
Tang, Yalin [2 ]
机构：
[1] Hebei United Univ, Coll Chem Engn, Tangshan 063009, Hebei, Peoples R China
[2] Chinese Acad Sci, Inst Chem, State Key Lab Struct Chem Unstable & Stable Speci, Ctr Mol Sci,Natl Lab Mol Sci, Beijing 100190, Peoples R China
来源：
RSC ADVANCES | 2015年 / 5卷 / 03期
基金：
中国国家自然科学基金;
关键词：
VISUAL DETECTION; LOGIC GATE; FLUORESCENCE; DNA; LABEL; ION; DNAZYME; SELECTIVITY; K+;
D O I：
10.1039/c4ra11395k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A colorimetric probe of Pb2+ has been designed based on the mechanism that a supramolecular probe selectively recognized the Pb2+-induced conformational transition of G- quadruplexes. The probe exhibited high sensitivity and selectivity towards Pb2+, which enabled it to be practically used in detection of the Pb2+ level in a freshwater system.
引用
收藏
页码：1730 / 1734
页数：5
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