Engineering a unimolecular multifunctional DNA probe for analysis of Hg2+ and Ag+

被引：18

作者：

He, Xiaoxiao ^{[1
]}

Qing, Zhihe ^{[1
]}

Wang, Kemin ^{[1
]}

Zou, Zhen ^{[1
]}

Shi, Hui ^{[1
]}

Huang, Jin ^{[1
]}

机构：

[1] Hunan Univ, State Key Lab Chemo Biosensing & Chemometr, Key Lab Bionanotechnol & Mol Engn Hunan Prov, Coll Biol,Coll Chem & Chem Engn, Changsha 410082, Hunan, Peoples R China

来源：

ANALYTICAL METHODS | 2012年 / 4卷 / 02期

基金：

对外科技合作项目（国际科技项目）;

关键词：

COLORIMETRIC DETECTION; SELECTIVE DETECTION; FLUORESCENT-PROBE; MERCURY(II); IONS; SENSOR; BEACONS; DESIGN; PAIRS;

D O I：

10.1039/c2ay05823e

中图分类号：

O65 [分析化学];

学科分类号：

070302 [分析化学];

摘要：

We reported a unimolecular multifunctional DNA probe (UMDP) based on the ion-mediated conformation transformation of oligonucleotide, which can directly detect Hg2+ and Ag+ ions simultaneously.

引用

收藏

页码：345 / 347

页数：3

相关论文

共 27 条

[1]

A selective oligonucleotide-based luminescent switch-on probe for the detection of nanomolar mercury(II) ion in aqueous solution [J].

Chan, Daniel Shiu-Hin ;

Lee, Ho-Man ;

Che, Chi-Ming ;

Leung, Chung-Hang ;

Ma, Dik-Lung .

CHEMICAL COMMUNICATIONS, 2009, (48) :7479-7481

[2]

Dave N, 2010, J AM CHEM SOC, V132, P12668, DOI [10.1021/ja106098j, 10.1021/ja106098J]

[3]

Multiplexed Analysis of Hg2+ and Ag+ Ions by Nucleic Acid Functionalized CdSe/ZnS Quantum Dots and Their Use for Logic Gate Operations [J].

Freeman, Ronit ;

Finder, Tali ;

Willner, Itamar .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2009, 48 (42) :7818-7821

[4]

Detection of trace Hg2+ via induced circular dichroism of DNA wrapped around single-walled carbon nanotubes [J].

Gao, Xueyun ;

Xing, Gengmei ;

Yang, Yanlian ;

Shi, Xiaoli ;

Liu, Ru ;

Chu, Weiguo ;

Jing, Long ;

Zhao, Feng ;

Ye, Chang ;

Yuan, Hui ;

Fang, Xiaohong ;

Wang, Chen ;

Zhao, Yuliang .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2008, 130 (29) :9190-+

[5]

A highly selective and sensitive fluorescent chemosensor for Hg2+ in neutral buffer aqueous solution [J].

Guo, XF ;

Qian, XH ;

Jia, LH .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2004, 126 (08) :2272-2273

[6]

A highly selective DNAzyme sensor for mercuric ions [J].

Hollenstein, Marcel ;

Hipolito, Christopher ;

Lam, Curtis ;

Dietrich, David ;

Perrin, David M. .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2008, 47 (23) :4346-4350

[7]

Quantitative detection of Ag+ and cysteine using G-quadruplex-hemin DNAzymes [J].

Kong, De-Ming ;

Cai, Li-Li ;

Shen, Han-Xi .

ANALYST, 2010, 135 (06) :1253-1258

[8]

Label-Free Colorimetric Detection of Aqueous Mercury Ion (Hg2+) Using Hg2+-Modulated G-Quadruplex-Based DNAzymes [J].

Li, Tao ;

Dong, Shaojun ;

Wang, Erkang .

ANALYTICAL CHEMISTRY, 2009, 81 (06) :2144-2149

[9]

Highly Sensitive, Colorimetric Detection of Mercury(II) in Aqueous Media by Quaternary Ammonium Group-Capped Gold Nanoparticles at Room Temperature [J].

Liu, Dingbin ;

Qu, Weisi ;

Chen, Wenwen ;

Zhang, Wie ;

Wang, Zhuo ;

Jiang, Xingyu .

ANALYTICAL CHEMISTRY, 2010, 82 (23) :9606-9610

[10]

Rational design of "Turn-On" allosteric DNAzyme catalytic beacons for aqueous mercury ions with ultrahigh sensitivity and selectivity [J].

Liu, Juewen ;

Lu, Yi .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2007, 46 (40) :7587-7590