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用于定向自组装核-卫星银-金纳米团簇的稳定银纳米粒子-DNA 缀合物。

Stable silver nanoparticle-DNA conjugates for directed self-assembly of core-satellite silver-gold nanoclusters.

机构信息

Department of Chemistry and Biochemistry and the Biodesign Institute, Arizona State University, Tempe, Arizona 85287, USA.

出版信息

Chem Commun (Camb). 2009 Oct 28(40):6059-61. doi: 10.1039/b911069k. Epub 2009 Aug 25.

DOI:10.1039/b911069k
PMID:19809643
Abstract

We report a novel strategy to functionalize silver nanoparticles with chimeric phosphorothioate modified DNA (ps-po-DNA) and the fabrication of bimetallic core-satellite nanoclusters that each contain a silver core (diameter 32 nm) surrounded by 5 nm gold NPs.

摘要

我们报告了一种新的策略,即用嵌合硫代磷酸酯修饰的 DNA(ps-po-DNA)功能化银纳米粒子,并制备了包含银核(直径 32nm)的双金属核-卫星纳米簇,银核被 5nm 的金纳米粒子包围。

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