A label-free fluorescent sensor for Pb2+ based on G-quadruplex and graphene oxide

被引：17
作者：
Bai, Yunfeng [1 ,2 ]
Zhao, Lu [1 ]
Chen, Zezhong [1 ]
Wang, Haiyan [1 ]
Feng, Feng [1 ,2 ]
机构：
[1] Shanxi Datong Univ, Coll Chem & Chem Engn, Datong 037009, Peoples R China
[2] Shanxi Normal Univ, Sch Chem & Mat Sci, Linfen 041004, Peoples R China
来源：
ANALYTICAL METHODS | 2014年 / 6卷 / 20期
基金：
中国国家自然科学基金;
关键词：
TURN-ON DETECTION; GOLD NANOPARTICLES; ENERGY-TRANSFER; SENSING PLATFORM; HIGH SELECTIVITY; LEAD(II) IONS; DNAZYME; DNA; BIOSENSOR; CADMIUM;
D O I：
10.1039/c4ay01389a
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A label-free sensitive and selective fluorescent sensor for Pb2+ was developed based on target-induced conformational change of an oligonucleotide and the difference in affinity of graphene oxide for unstructured and G-quadruplex DNA.
引用
收藏
页码：8120 / 8123
页数：4
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