Formation of one-dimensional arrays of gold nanoparticles with DNA

被引：19
|
作者：
Yonezawa, T [1 ]
Onoue, S [1 ]
Kunitake, T [1 ]
机构：
[1] Kyushu Univ, Grad Sch Engn, Dept Chem & Biochem, Fukuoka 8128581, Japan
来源：
KOBUNSHI RONBUNSHU | 1999年 / 56卷 / 12期
关键词：
gold; deoxyribonucleic acid; nanoparticle; one-dimensional array; nanowire; electrostatic; nanodots; patterning;
D O I：
10.1295/koron.56.855
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A close-packed one-dimensional array of gold nanoparticles was prepared with DNA as a rigid anionic polymer template. Gold nanoparticles with dense positive charges were prepared by modifying with dialkylammonium-disulfide. These cationic gold nanoparticles were adsorbed effectively on anionic DNA molecules. Electron microscopy indicated that the particle array had a close-packed structure with a small inter-particle distance. The formation mechanism of the close packing is discussed.
引用
收藏
页码：855 / 859
页数：5
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