Paper Title:
Preparation and Characterization of Silver/Hydroxyapatite Nanoparticles
  Abstract

Aggregation problem limits the use of silver nanoparticles (nano-Ag). Liquid chemical reduction method was used to fabricate silver/hydroxyapatite nanoparticles (nano-Ag/HA) by depositing nano-Ag on the surface of hydroxyapatite nanoparticles (nano-HA). The XRD result shows nano-Ag/HA is a hybrid composite of hydroxyapatite and face-centered cubic crystalline silver. The TEM result confirms the size and distribution of nano-Ag are dependent on the mass ratio of deposited nano-Ag and nano-HA, decreasing the mass ratio can obtain nano-Ag with smaller size and less particle aggregation, which can be contributed to the heterogeneous nucleation effect of nano-HA on nano-Ag. Silver/hydroxyapatite/alginate composite dressing was fabricated by spraying nano-Ag/HA onto the surface of the alginate dressing. The test result of disc diffusion method shows the evident antimicrobial activity against Escherichia coli (E. coli) is assigned to nano-Ag/HA, no significant difference can be found between the dressings with 0.01g and 0.02g nano-Ag.

  Info
Periodical
Advanced Materials Research (Volumes 311-313)
Chapter
Biomaterials
Edited by
Zhongning Guo
Pages
1746-1750
DOI
10.4028/www.scientific.net/AMR.311-313.1746
Citation
C. Guo, X. X. Li, Y. S. Dong, "Preparation and Characterization of Silver/Hydroxyapatite Nanoparticles", Advanced Materials Research, Vols. 311-313, pp. 1746-1750, 2011
Online since
August 2011
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Price
$32.00
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