A "turn-on'' carbon nanotube-Ag nanoclusters fluorescent sensor for sensitive and selective detection of Hg2+ with cyclic amplification of exonuclease III activity

被引：85
作者：
Wang, Guangfeng [1 ,2 ,3 ,4 ]
Xu, Gang [1 ,2 ,3 ,4 ]
Zhu, Yanhong [1 ,2 ,3 ,4 ]
Zhang, Xiaojun [1 ,2 ,3 ,4 ]
机构：
[1] Key Lab Chembiosensing, Wuhan 241000, Anhui, Peoples R China
[2] Key Lab Funct Mol Solids, Wuhu 241000, Anhui, Peoples R China
[3] Anhui Normal Univ, Coll Chem & Mat Sci, Wuhu 241000, Peoples R China
[4] Anhui Normal Univ, Ctr Nanosci & Nanotechnol, Wuhu 241000, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2014年 / 50卷 / 06期
基金：
中国国家自然科学基金;
关键词：
DNA DETECTION; SIGNAL AMPLIFICATION; ENERGY-TRANSFER; BASE-PAIRS; GOLD; BIOSENSOR; NANOPARTICLES;
D O I：
10.1039/c3cc46716c
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
With exonuclease III activity on DNA hybrids containing thymine-Hg2+-thymine, a label-free ultrasensitive "turn-on'' fluorescent sensor involving "quenching'' and "reappearing'' processes based on a carbon nanotube-Ag nanoclusters system is demonstrated for amplified determination of Hg2+.
引用
收藏
页码：747 / 750
页数：4
相关论文
共 36 条
  • [21] An electrochemical biosensor for sensitive detection of Hg2+ based on exonuclease III-assisted target recycling and hybridization chain reaction amplification strategies
    Xiong, Erhu
    Zhang, Xiaohua
    Liu, Yunqing
    Zhou, Jiawan
    Yu, Peng
    Chen, Jinhua
    ANALYTICAL METHODS, 2016, 8 (09) : 2106 - 2111
  • [22] A T-Hg2+-T metallo-base pair-mediated dual amplification fluorescent strategy for the selective and sensitive detection of Hg2+
    Wei, Haiping
    Wang, Lei
    Xu, Xiaowen
    Zhu, Jing
    Jiang, Wei
    RSC ADVANCES, 2016, 6 (75): : 70984 - 70989
  • [23] Green preparation of carbon dots by Jinhua bergamot for sensitive and selective fluorescent detection of Hg2+ and Fe3+
    Yu, Jing
    Song, Na
    Zhang, Ya-Kun
    Zhong, Shu-Xian
    Wang, Ai-Jun
    Chen, Jianrong
    SENSORS AND ACTUATORS B-CHEMICAL, 2015, 214 : 29 - 35
  • [24] Heating enhanced sensitive and selective electrochemical detection of Hg2+ based on T-Hg2+-T structure and exonuclease III-assisted target recycling amplification strategy at heated gold disk electrode
    Wu, Shao-Hua
    Zhang, Biao
    Wang, Fang-Fang
    Mi, Zhen-Zhen
    Sun, Jian-Jun
    BIOSENSORS & BIOELECTRONICS, 2018, 104 : 145 - 151
  • [25] Metal-Polydopamine Framework as an Effective Fluorescent Quencher for Highly Sensitive Detection of Hg(II) and Ag(I) Ions through Exonuclease III Activity
    Ravikumar, Ayyanu
    Panneerselvam, Perumal
    Morad, Norhashimah
    ACS APPLIED MATERIALS & INTERFACES, 2018, 10 (24) : 20550 - 20558
  • [26] A novel turn-on fluorescent sensor for highly selective detection of Al(III) in an aqueous solution based on simple electrochemically synthesized carbon dots
    Fu, Xu-Cheng
    Jin, Jiang-Zhou
    Wu, Ju
    Jin, Jun-Cheng
    Xie, Cheng-Gen
    ANALYTICAL METHODS, 2017, 9 (26) : 3941 - 3948
  • [27] New metal-coordination-inhibited charge transfer emission for terfluorenes: highly sensitive and selective detection for Hg2+ with ratiometric "turn-on" fluorescence response
    Zhu, Linna
    Qin, Jingui
    Yang, Chuluo
    CHEMICAL COMMUNICATIONS, 2010, 46 (46) : 8755 - 8757
  • [28] A fluorescence switching sensor based on graphene quantum dots decorated with Hg2+ and hydrolyzed thioacetamide for highly Ag+-sensitive and selective detection
    Kaewanan, Pimpisa
    Sricharoen, Phitchan
    Limchoowong, Nunticha
    Sripakdee, Thitiya
    Nuengmatcha, Prawit
    Chanthai, Saksit
    RSC ADVANCES, 2017, 7 (76) : 48058 - 48067
  • [29] A signal-on fluorescent sensor for ultra-trace detection of Hg2+ via Ag+ mediated sulfhydryl functionalized carbon dots
    Han, Yong
    Shi, Limei
    Luo, Xueli
    Chen, Xiumei
    Yang, Weixia
    Tang, Wenzhi
    Wang, Jianlong
    Yue, Tianli
    Li, Zhonghong
    CARBON, 2019, 149 : 355 - 363
  • [30] Highly sensitive and selective fluorescent "turn-on" sensor for Ag+ detection using MAPbBr3@PCN-221(Fe): An efficient Ag+-bridged energy transfer from perovskite to MOF
    Li, Songyuan
    Zhao, Gang
    Sun, Xinhang
    Zheng, Jiale
    Liu, Junhui
    Huang, Mingju
    JOURNAL OF CHEMICAL PHYSICS, 2024, 160 (18)
1234