Functionalized fluorescent gold nanodots: synthesis and application for Pb2+ sensing

被引:124
作者
Yuan, Zhiqin [1 ]
Peng, Meihua [1 ]
He, Yan [1 ]
Yeung, Edward S. [1 ]
机构
[1] Hunan Univ, Coll Chem & Chem Engn, Coll Biol, State Key Lab Chemo Biosensing & Chemometr, Changsha 410082, Hunan, Peoples R China
基金
中国国家自然科学基金;
关键词
CLUSTERS; NANOCLUSTERS; WATER; LEAD; NANOPARTICLES; NANOCRYSTALS; BIOSENSOR; PROTEIN;
D O I
10.1039/c1cc14872a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We developed a novel strategy to prepare functionalized fluorescent gold nanodots (AuNDs) based on a ligand exchange reaction and demonstrated that glutathione modified AuNDs can be utilized for highly sensitive and selective Pb2+ sensing in aqueous solution.
引用
收藏
页码:11981 / 11983
页数:3
相关论文
共 27 条
  • [1] Ultrasensitive Pb2+ detection by glutathione-capped quantum dots
    Ali, Emril Mohamed
    Zheng, Yuangang
    Yu, Hsiao-hua
    Ying, Jackie Y.
    [J]. ANALYTICAL CHEMISTRY, 2007, 79 (24) : 9452 - 9458
  • [2] Araki S, 2000, AM J IND MED, V37, P193
  • [3] Nanoparticle-free synthesis of fluorescent gold nanoclusters at physiological temperature
    Bao, Yuping
    Zhong, Chang
    Vu, Dung M.
    Temirov, Jamshid P.
    Dyer, R. Brian
    Martinez, Jennifer S.
    [J]. JOURNAL OF PHYSICAL CHEMISTRY C, 2007, 111 (33) : 12194 - 12198
  • [4] Gold Nanoparticle-Based Simple Colorimetric and Ultrasensitive Dynamic Light Scattering Assay for the Selective Detection of Pb(II) from Paints, Plastics, and Water Samples
    Beqa, Lule
    Singh, Anant Kumar
    Khan, Sadia Afrin
    Senapati, Dulal
    Arumugam, Sri Ranjini
    Ray, Paresh Chandra
    [J]. ACS APPLIED MATERIALS & INTERFACES, 2011, 3 (03) : 668 - 673
  • [5] Colorimetric Detection of Pb2+ Using Glutathione Functionalized Gold Nanoparticles
    Chai, Fang
    Wang, Chungang
    Wang, Tingting
    Li, Lu
    Su, Zhongmin
    [J]. ACS APPLIED MATERIALS & INTERFACES, 2010, 2 (05) : 1466 - 1470
  • [6] An exceptionally selective lead(II)-regulatory protein from Ralstonia metallidurans:: Development of a fluorescent lead(II) probe
    Chen, P
    Greenberg, B
    Taghavi, S
    Romano, C
    van der Lelie, D
    He, CA
    [J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2005, 44 (18) : 2715 - 2719
  • [7] Etching colloidal gold nanocrystals with hyperbranched and multivalent polymers: A new route to fluorescent and water-soluble atomic clusters
    Duan, Hongwei
    Nie, Shuming
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2007, 129 (09) : 2412 - +
  • [8] Huang CC, 2007, ANGEW CHEM, V119, P6948, DOI DOI 10.1002/ANGE.200700803
  • [9] Gold nanoparticle-based sensing of "spectroscopically silent" heavy metal ions
    Kim, YJ
    Johnson, RC
    Hupp, JT
    [J]. NANO LETTERS, 2001, 1 (04) : 165 - 167
  • [10] A colorimetric lead biosensor using DNAzyme-directed assembly of gold nanoparticles
    Liu, JW
    Lu, Y
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2003, 125 (22) : 6642 - 6643