Detection of mercury(II) based on Hg2+-DNA complexes inducing the aggregation of gold nanoparticles

被引:383
作者
Liu, Chi-Wei [1 ]
Hsieh, Yi-Ting [2 ]
Huang, Chih-Ching [1 ]
Lin, Zong-Hong [1 ]
Chang, Huan-Tsung [1 ]
机构
[1] Natl Taiwan Univ, Dept Chem, Taipei 10764, Taiwan
[2] Natl Taitung Univ, Dept Nat Sci Educ, Taitung, Taiwan
关键词
D O I
10.1039/b719856f
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A DNA-Au NP probe for sensing Hg2+ using the formation of DNA-Hg2+ complexes through thymidine (T)-Hg2+-T coordination to control the negative charge density of the DNA strands-thereby varying their structures-adsorbed onto Au NPs.
引用
收藏
页码:2242 / 2244
页数:3
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