G-quartet-induced nanoparticle assembly

被引:63
作者
Li, Z
Mirkin, CA
机构
[1] Northwestern Univ, Dept Chem, Evanston, IL 60201 USA
[2] Northwestern Univ, Inst Nanotechnol, Evanston, IL 60201 USA
关键词
D O I
10.1021/ja053547s
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The design and synthesis of a new class of gold nanoparticle with guanosine monophosphate derivatives or G-rich oligonucleotides as their surface ligands are described. These nanoparticles spontaneously form macroscopic assemblies at low temperature and relatively high salt concentrations, which is attributed to the cooperative formation of guanosine quartets and G-quadruplexes between the individual nanoparticles. Significantly, the solution behavior of these nanoparticles is highly controllable by adjusting solution parameters (including temperature, ionic strength, and ion species) and the sequence of the G-rich oligonucleotide Copyright © 2005 American Chemical Society.
引用
收藏
页码:11568 / 11569
页数:2
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