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In situ Preparation of Gold Nanoparticles in Alginate Gel Matrix by Solution Plasma Sputtering Process

Published online by Cambridge University Press:  20 June 2013

Anyarat Watthanaphanit ,
Gasidit Panomsuwan  and
Nagahiro Saito
Anyarat Watthanaphanit*
Affiliation:
EcoTopia Science Institute, Nagoya University, Nagoya 464-8603, Japan Green Mobility Collaborative Research Center, Nagoya University, Nagoya 464-8603, Japan
Gasidit Panomsuwan
Affiliation:
Department of Materials, Physics and Energy Engineering, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan
Nagahiro Saito
Affiliation:
Green Mobility Collaborative Research Center, Nagoya University, Nagoya 464-8603, Japan Department of Materials, Physics and Energy Engineering, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan
*
*Email: anyarat@rd.numse.nagoya-u.ac.jp
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Abstract

The rapid synthesis of gold nanoparticles (AuNPs) was done by solution plasma sputtering (SPS) process in the presence of a biopolymer, sodium alginate. We utilized the alginate polymer in order to meet three important requirements: (1) to promote the generation of plasma in liquid environment, (2) to provide colloidal stability, and (3) to render biocompatibility to the AuNPs. The effect of sodium alginate concentration (varied as 0.2, 0.5, and 0.9 %w/v) and plasma sputtering time on the particle size and the physical absorption property of the AuNPs were studied. The results indicated that preparation of AuNPs in alginate gel matrix was successful by the SPS process in one step without any reducing agents. This technique has high potential as a novel strategy to produce AuNPs suspended in alginate aqueous solution which is suitable for biomedical application.

Keywords

Aubiomedicalnanostructure
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1569: Symposium LL – Advanced Materials for Biological and Biomedical Applications , 2013 , pp. 151 - 155
Copyright
Copyright © Materials Research Society 2013 

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