用于合成金纳米颗粒的聚电解质修饰豇豆花叶病毒

Polyelectrolyte-modified cowpea mosaic virus for the synthesis of gold nanoparticles.

作者信息

Aljabali Alaa A A, Evans David J

机构信息

Department of Chemistry, University of Hull, Hull, UK.

出版信息

Methods Mol Biol. 2014;1108:97-103. doi: 10.1007/978-1-62703-751-8_7.

DOI:10.1007/978-1-62703-751-8_7

PMID:24243243

Abstract

Polyelectrolyte surface-modified cowpea mosaic virus (CPMV) can be used for the templated synthesis of narrowly dispersed gold nanoparticles. Cationic polyelectrolyte, poly(allylamine) hydrochloride, is electrostatically bound to the external surface of the virus capsid. The polyelectrolyte-coated CPMV promotes adsorption of aqueous gold hydroxide anionic species, prepared from gold(III) chloride and potassium carbonate, that are easily reduced to form CPMV-templated gold nanoparticles. The process is simple and environmentally benign using only water as solvent at ambient temperature.

摘要

聚电解质表面修饰的豇豆花叶病毒（CPMV）可用于模板化合成窄分散的金纳米颗粒。阳离子聚电解质聚（烯丙胺）盐酸盐通过静电作用结合到病毒衣壳的外表面。聚电解质包覆的CPMV促进了由氯化金（III）和碳酸钾制备的氢氧化金阴离子物种在水溶液中的吸附，这些物种很容易被还原形成以CPMV为模板的金纳米颗粒。该过程简单且环境友好，在室温下仅使用水作为溶剂。