Synthesis of Polysaccharide-stabilized Gold and Silver Nanoparticles: a Green Method

Overview

Journal Carbohydr Res

Publisher Elsevier

Specialties Biochemistry
Endocrinology

Date 2004 Oct 13

PMID 15476726

Citations 74

Authors

Haizhen Huang

Xiurong Yang

Affiliations

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Abstract

A simple, green method was developed for the synthesis of gold and silver nanoparticles by using polysaccharides as reducing/stabilizing agents. The obtained positively charged chitosan-stabilized gold nanoparticles and negatively charged heparin-stabilized silver nanoparticles were characterized with UV-vis spectroscopy and transmission electron microscopy. The results illustrated the formation of gold and silver nanoparticles inside the nanoscopic polysaccharide templates. Moreover, the morphology and size distribution of prepared gold and silver nanoparticles varied with the concentration of both the polysaccharides and the precursor metal salts.

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