G-Quadruplex-based DNAzyme as a sensing platform for ultrasensitive colorimetric potassium detection

被引：121

作者：

Li, Tao ^{[1
,2
]}

Wang, Erkang ^{[1
,2
]}

Dong, Shaojun ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, State Key Lab Electroanalyt Chem, Changchun Inst Appl Chem, Changchun 130022, Jilin, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2009年 / 05期

基金：

中国国家自然科学基金;

关键词：

PEROXIDASE-ACTIVITY; AMPLIFIED ANALYSIS; DNA; ION; THROMBIN; OLIGONUCLEOTIDE; NANOPARTICLES; RECOGNITION; BIOSENSOR; PROTEINS;

D O I：

10.1039/b815814b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two G-quadruplex DNAs are able to form peroxidase-like DNAzymes selectively promoted by K+, which provides a label-free approach to colorimetric detection of K+ with the highest sensitivity ever reported.

引用

页码：580 / 582

页数：3

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