Fluorescent silver nanoclusters in hybridized DNA duplexes for the turn-on detection of Hg2+ ions

被引：168

作者：

Deng, Liu ^{[1
]}

Zhou, Zhixue ^{[1
]}

Li, Jing ^{[1
]}

Li, Tao ^{[1
]}

Dong, Shaojun ^{[1
]}

机构：

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

来源：

CHEMICAL COMMUNICATIONS | 2011年 / 47卷 / 39期

基金：

中国国家自然科学基金;

关键词：

FUNCTIONALIZED GOLD NANOPARTICLES; MERCURIC ION; COLORIMETRIC DETECTION; SENSITIVE DETECTION; SELECTIVE DETECTION; OPTICAL-DETECTION; MERCURY(II) IONS; AQUEOUS-SOLUTION; SENSOR; FLUOROPHORES;

D O I：

10.1039/c1cc14012d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Using the Hg2+-mediated T-T formation to strengthen the DNA duplexes and influence the configuration of fluorescent Ag NCs-forming sequences, a turn-on fluorescence detection method for Hg2+ has been established.

引用

页码：11065 / 11067

页数：3

共 30 条

[21] Oligonucleotide-stabilized Ag nanocluster fluorophores [J].

Richards, Chris I. ;

Choi, Sungmoon ;

Hsiang, Jung-Cheng ;

Antoku, Yasuko ;

Vosch, Tom ;

Bongiorno, Angelo ;

Tzeng, Yih-Ling ;

Dickson, Robert M. .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2008, 130 (15) :5038-+

[22] Ag nanocluster formation using a cytosine oligonucleotide template [J].

Ritchie, Caroline M. ;

Johnsen, Kenneth R. ;

Kiser, John R. ;

Antoku, Yasuko ;

Dickson, Robert M. ;

Petty, Jeffrey T. .

JOURNAL OF PHYSICAL CHEMISTRY C, 2007, 111 (01) :175-181

[23] Sensitive detection of cysteine based on fluorescent silver clusters [J].

Shang, Li ;

Dong, Shaojun .

BIOSENSORS & BIOELECTRONICS, 2009, 24 (06) :1569-1573

[24] Strongly emissive individual DNA-encapsulated Ag nanoclusters as single-molecule fluorophores [J].

Vosch, Tom ;

Antoku, Yasuko ;

Hsiang, Jung-Cheng ;

Richards, Chris I. ;

Gonzalez, Jose I. ;

Dickson, Robert M. .

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2007, 104 (31) :12616-12621

[25] Au NPs-enhanced surface plasmon resonance for sensitive detection of mercury(II) ions [J].

Wang, Li ;

Li, Tao ;

Du, Yan ;

Chen, Chaogui ;

Li, Ling ;

Zhou, Ming ;

Dong, Shaojun .

BIOSENSORS & BIOELECTRONICS, 2010, 25 (12) :2622-2626

[26] Highly sensitive "turn-on" fluorescent sensor for Hg2+ in aqueous solution based on structure-switching DNA [J].

Wang, Zidong ;

Lee, Jung Heon ;

Lu, Yi .

CHEMICAL COMMUNICATIONS, 2008, (45) :6005-6007

[27] One-step, room temperature, colorimetric detection of mercury (Hg2+) using DNA/nanoparticle conjugates [J].

Xue, Xuejia ;

Wang, Feng ;

Liu, Xiaogang .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2008, 130 (11) :3244-+

[28] Highly Sensitive Detection of Mercury(II) Ions by Fluorescence Polarization Enhanced by Gold Nanoparticles [J].

Ye, Bang-Ce ;

Yin, Bin-Cheng .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2008, 47 (44) :8386-8389

[29] Tuning the sensitivity of a foldamer-based mercury sensor by its folding energy [J].

Zhao, Yan ;

Zhong, Zhenqi .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2006, 128 (31) :9988-9989

[30] Designing label-free DNA sequences to achieve controllable turn-off/on fluorescence response for Hg2+ detection [J].

Zhu, Zece ;

Xu, Liang ;

Zhou, Xiang ;

Qin, Jingui ;

Yang, Chuluo .

CHEMICAL COMMUNICATIONS, 2011, 47 (28) :8010-8012

← 1 2 3 →