Highly sensitive "turn-on" fluorescent sensor for Hg2+ in aqueous solution based on structure-switching DNA

被引：264

作者：

Wang, Zidong ^{[1
,2
]}

Lee, Jung Heon ^{[1
,2
]}

Lu, Yi ^{[1
,2
,3
]}

机构：

[1] Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA

[2] Univ Illinois, Beckman Inst Adv Sci & Technol, Urbana, IL 61801 USA

[3] Univ Illinois, Dept Chem, Urbana, IL 61801 USA

来源：

CHEMICAL COMMUNICATIONS | 2008年 / 45期

关键词：

D O I：

10.1039/b812755g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A simple design of "turn-on" fluorescent sensor for mercury was demonstrated based on structure-switching DNA with a low detection limit of 3.2 nM and high selectivity.

引用

页码：6005 / 6007

页数：3

共 42 条

[1] Highly selective chromogenic and redox or fluorescent sensors of Hg2+ in aqueous environment based on 1,4-disubstituted azines [J].

Caballero, A ;

Martínez, R ;

Lloveras, V ;

Ratera, I ;

Vidal-Gancedo, J ;

Wurst, K ;

Tárraga, A ;

Molina, P ;

Veciana, J .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2005, 127 (45) :15666-15667

[2] Development of a mercury ion-selective optical sensor based on fluorescence quenching of 5,10,15,20-tetraphenylporphyrin [J].

Chan, WH ;

Yang, RH ;

Wang, KM .

ANALYTICA CHIMICA ACTA, 2001, 444 (02) :261-269

[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] Oligonucleotide-based fluorescence probe for sensitive and selective detection of mercury(II) in aqueous solution [J].

Chiang, Cheng-Kang ;

Huang, Chih-Ching ;

Liu, Chi-Wei ;

Chang, Huan-Tsung .

ANALYTICAL CHEMISTRY, 2008, 80 (10) :3716-3721

[5] MERCURY - MAJOR ISSUES IN ENVIRONMENTAL-HEALTH [J].

CLARKSON, TW .

ENVIRONMENTAL HEALTH PERSPECTIVES, 1993, 100 :31-38

[6] Gold nanoparticle-based miniaturized nanomaterial surface energy transfer probe for rapid and ultrasensitive detection of mercury in soil, water, and fish [J].

Darbha, Gopala Krishna ;

Ray, Anandhi ;

Ray, Paresh Chandra .

ACS NANO, 2007, 1 (03) :208-214

[7] 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

[8] Highly selective and sensitive phosphane sulfide derivative for the detection of Hg2+ in an organoaqueous medium [J].

Ha-Thi, Minh-Huong ;

Penhoat, Mael ;

Michelet, Veronique ;

Leray, Isabelle .

ORGANIC LETTERS, 2007, 9 (06) :1133-1136

[9] Aptamer beacons for the direct detection of proteins [J].

Hamaguchi, N ;

Ellington, A ;

Stanton, M .

ANALYTICAL BIOCHEMISTRY, 2001, 294 (02) :126-131

[10] Designed signaling aptamers that transduce molecular recognition to changes in fluorescence intensity [J].

Jhaveri, SD ;

Kirby, R ;

Conrad, R ;

Maglott, EJ ;

Bowser, M ;

Kennedy, RT ;

Glick, G ;

Ellington, AD .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2000, 122 (11) :2469-2473

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