A simple and sensitive colorimetric pH meter based on DNA conformational switch and gold nanoparticle aggregation

被引：70

作者：

Chen, Cuie ^{[1
,2
]}

Song, Guangtao ^{[1
,2
]}

Ren, Jinsong ^{[1
]}

Qu, Xiaogang ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resources Utilizat, Changchun 130022, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Changchun 130022, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2008年 / 46期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1039/b812660g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A simple and rapid colorimetric pH meter has been developed based on the conformational switch of i-motif DNA and non-crosslinking AuNP aggregation, the average accuracy of the nano-meter was found to be +/- 0.04 pH unit across the physiological operating range.

引用

收藏

页码：6149 / 6151

页数：3

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