Design of a gold nanoprobe for rapid and portable mercury detection with the naked eye

被引:163
作者
He, Shijiang [1 ]
Li, Di [1 ]
Zhu, Changfeng [1 ]
Song, Shiping [1 ]
Wang, Lihua [1 ]
Long, Yitao [2 ]
Fan, Chunhai [1 ]
机构
[1] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
[2] E China Univ Sci & Technol, Sch Chem & Chem Engn, Shanghai 200237, Peoples R China
关键词
D O I
10.1039/b811528a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A gold nanoprobe that can respond colorimetrically to Hg2+ is designed and coupled with a power-free PDMS device; the system can be used for rapid and visual detection of low micromolar Hg2+ in real environmental samples.
引用
收藏
页码:4885 / 4887
页数:3
相关论文
共 32 条
[1]   Organization of 'nanocrystal molecules' using DNA [J].
Alivisatos, AP ;
Johnsson, KP ;
Peng, XG ;
Wilson, TE ;
Loweth, CJ ;
Bruchez, MP ;
Schultz, PG .
NATURE, 1996, 382 (6592) :609-611
[2]   Ultraselective fluorescent sensing of Hg2+ through metal coordination-induced molecular aggregation [J].
Che, Yanke ;
Yang, Xiaomei ;
Zang, Ling .
CHEMICAL COMMUNICATIONS, 2008, (12) :1413-1415
[3]   A general strategy to convert the MerR family proteins into highly sensitive and selective fluorescent biosensors for metal ions [J].
Chen, P ;
He, CA .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2004, 126 (03) :728-729
[4]   Power-free poly(dimethylsiloxane) microfluidic devices for gold nanoparticle-based DNA analysis [J].
Hosokawa, K ;
Sato, K ;
Ichikawa, N ;
Maeda, M .
LAB ON A CHIP, 2004, 4 (03) :181-185
[5]   Scaling and the design of miniaturized chemical-analysis systems [J].
Janasek, Dirk ;
Franzke, Joachim ;
Manz, Andreas .
NATURE, 2006, 442 (7101) :374-380
[6]   Colorimetric detection of mercuric ion (Hg2+) in aqueous media using DNA-functionalized gold nanoparticles [J].
Lee, Jae-Seung ;
Han, Min Su ;
Mirkin, Chad A. .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2007, 46 (22) :4093-4096
[7]   Optical analysis of Hg2+ ions by oligonucleotide-gold-nanoparticle hybrids and DNA-based machines [J].
Li, Di ;
Wieckowska, Agnieszka ;
Willner, Itamar .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2008, 47 (21) :3927-3931
[8]   Colorimetric detection of DNA sequences based on electrostatic interactions with unmodified gold nanoparticles [J].
Li, HX ;
Rothberg, L .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2004, 101 (39) :14036-14039
[9]   Label-free colorimetric detection of specific sequences in genomic DNA amplified by the polymerase chain reaction [J].
Li, HX ;
Rothberg, LJ .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2004, 126 (35) :10958-10961
[10]   Detection of mercury(II) based on Hg2+-DNA complexes inducing the aggregation of gold nanoparticles [J].
Liu, Chi-Wei ;
Hsieh, Yi-Ting ;
Huang, Chih-Ching ;
Lin, Zong-Hong ;
Chang, Huan-Tsung .
CHEMICAL COMMUNICATIONS, 2008, (19) :2242-2244