Characterization of a silver-incorporated calcium phosphate film by RBS and its antimicrobial effects

I. H. Han, I. S. Lee, J. H. Song, M. H. Lee, Jongchul Park, G. H. Lee, X. D. Sun, S. M. Chung

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A thin calcium phosphate film was synthesized on both commercially pure Ti and Si wafers by electron beam evaporation of hydroxyapatite as an evaporant with simultaneous Ar ion beam bombardments. Silver was introduced into an ion-beam-assisted deposition of a calcium phosphate thin film for antimicrobial effect. The amount of incorporated silver ions was controlled by immersing calcium-phosphate-coated samples in different AgNO3 concentrations, and Rutherford backscattering spectrometry (RBS) was employed to measure the amounts of substituted silver. The higher concentration of silver in the calcium phosphate film was more effective in reducing the bacteria of Escherichia coli ATCC 8739 and Streptococcus mutans OMZ 65 on contact with respect to controls.

Original languageEnglish
Article numberS01
JournalBiomedical Materials
Volume2
Issue number3
DOIs
Publication statusPublished - 2007 Sep 1

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Calcium phosphate
Rutherford backscattering spectroscopy
Silver
Spectrometry
Ion beam assisted deposition
Durapatite
Hydroxyapatite
Escherichia coli
Ion beams
Electron beams
Bacteria
Evaporation
Ions
Thin films
calcium phosphate

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Biomaterials
  • Biomedical Engineering

Cite this

Han, I. H. ; Lee, I. S. ; Song, J. H. ; Lee, M. H. ; Park, Jongchul ; Lee, G. H. ; Sun, X. D. ; Chung, S. M. / Characterization of a silver-incorporated calcium phosphate film by RBS and its antimicrobial effects. In: Biomedical Materials. 2007 ; Vol. 2, No. 3.
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Characterization of a silver-incorporated calcium phosphate film by RBS and its antimicrobial effects. / Han, I. H.; Lee, I. S.; Song, J. H.; Lee, M. H.; Park, Jongchul; Lee, G. H.; Sun, X. D.; Chung, S. M.

In: Biomedical Materials, Vol. 2, No. 3, S01, 01.09.2007.

Research output: Contribution to journalArticle

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AU - Han, I. H.

AU - Lee, I. S.

AU - Song, J. H.

AU - Lee, M. H.

AU - Park, Jongchul

AU - Lee, G. H.

AU - Sun, X. D.

AU - Chung, S. M.

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AB - A thin calcium phosphate film was synthesized on both commercially pure Ti and Si wafers by electron beam evaporation of hydroxyapatite as an evaporant with simultaneous Ar ion beam bombardments. Silver was introduced into an ion-beam-assisted deposition of a calcium phosphate thin film for antimicrobial effect. The amount of incorporated silver ions was controlled by immersing calcium-phosphate-coated samples in different AgNO3 concentrations, and Rutherford backscattering spectrometry (RBS) was employed to measure the amounts of substituted silver. The higher concentration of silver in the calcium phosphate film was more effective in reducing the bacteria of Escherichia coli ATCC 8739 and Streptococcus mutans OMZ 65 on contact with respect to controls.

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