A K+-mediated G-quadruplex formation enhancement fluorescence polarization system based on quantum dots for detection of Hg2+ and biothiols

被引：35
|
作者：
Zhang, Juanni [1 ]
Tian, Jianniao [1 ]
He, Yanlong [1 ]
Zhao, Yanchun [1 ]
Zhao, Shulin [1 ]
机构：
[1] Guangxi Normal Univ, Sch Chem & Pharmaceut Sci, Key Lab Chem & Mol Engn Med Resources, Minist Educ China, Guilin 541004, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2014年 / 50卷 / 16期
基金：
中国国家自然科学基金;
关键词：
GRAPHENE OXIDE; MERCURY(II) IONS; SMALL MOLECULES; LOGIC GATE; DNA; PROBE; ASSAY; NANOPARTICLES; CYSTEINE; APTAMER;
D O I：
10.1039/c3cc49424a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A fluorescence polarization homogenous system based on CdTe/CdS QDs that employed a K+-mediated G-quadruplex as an enhancer was identified for sensitive and selective detection of Hg2+ and biothiols in complex samples.
引用
收藏
页码：2049 / 2051
页数：3
相关论文
共 50 条
  • [1] G-quadruplex DNAzyme-based Hg2+ and cysteine sensors utilizing Hg2+-mediated oligonucleotide switching
    Jia, Shu-Min
    Liu, Xiao-Fei
    Li, Ping
    Kong, De-Ming
    Shen, Han-Xi
    BIOSENSORS & BIOELECTRONICS, 2011, 27 (01): : 148 - 152
  • [2] A visual Hg2+ detection strategy based on distance as readout by G-quadruplex DNAzyme on microfluidic paper
    Wu, Chao
    Gao, Guizhen
    Zhai, Kefeng
    Xu, Lisheng
    Zhang, Dagan
    FOOD CHEMISTRY, 2020, 331
  • [3] A Symmetrically Split G-quadruplex DNAzymes Biosensor Based on Magnetic Nanoparticles for the Rapid Detection of Hg2+
    Zhang Jiajia
    Dai Peiqing
    Li Chao
    Li Nanwang
    Cheng Guifang
    He Pingang
    Fang Yuzhi
    ACTA CHIMICA SINICA, 2014, 72 (09) : 1029 - 1035
  • [4] Sensitive detection of biothiols and histidine based on the recovered fluorescence of the carbon quantum dots-Hg(II) system
    Hou, Juan
    Zhang, Fengshuang
    Yan, Xu
    Wang, Long
    Yan, Jin
    Ding, Hong
    Ding, Lan
    ANALYTICA CHIMICA ACTA, 2015, 859 : 72 - 78
  • [5] Ratiometric fluorescence detection of Hg2+ based on gold nanocluster/carbon quantum dots nanohybrids
    Chen, Junyu
    Tian, Rui
    Li, Duo
    Sun, Xuehua
    Li, Haoyu
    Zhang, Yuecheng
    ANALYTICAL METHODS, 2024, 16 (06) : 884 - 891
  • [6] Detection Method of Heavy Metal Ions Hg2+ Based on Quantum Dots Fluorescence Probe
    Qi M.
    Yang P.
    Zou L.
    Sun M.
    Nongye Jixie Xuebao/Transactions of the Chinese Society for Agricultural Machinery, 2019, 50 : 195 - 199and220
  • [7] Autocatalytic DNA circuit for Hg2+ detection with high sensitivity and selectivity based on exonuclease III and G-quadruplex DNAzyme
    Zhou, Danhua
    Zeng, Lingwen
    Pan, Jiafeng
    Li, Qiong
    Chen, Junhua
    TALANTA, 2020, 207
  • [8] Electrochemiluminescence sensor using quantum dots based on a G-quadruplex aptamer for the detection of Pb2+
    Hai, Hong
    Yang, Feng
    Li, Jianping
    RSC ADVANCES, 2013, 3 (32): : 13144 - 13148
  • [9] Fabrication of Excitation-Independent Green Emissive Graphene Quantum Dots for Selective Detection of Hg2+ and Fluorescence Imaging of Biothiols in Living Cells
    马启锋
    王磊
    陈岩松
    罗小松
    朱智甲
    张煊
    Journal of Donghua University(English Edition), 2018, 35 (05) : 373 - 379
  • [10] Fluorescence Detection of Hg2+ Based on Hg2+-Induced Formation of dsDNA
    Bo Hong-Yan
    Huang Shao-Feng
    Zeng Wen-Jin
    Zhang Mi
    Du Qing-Lan
    Guo Qing-Yu
    Gao Qiang
    CHINESE JOURNAL OF ANALYTICAL CHEMISTRY, 2011, 39 (12) : 1893 - 1897
12345