Bioactivity and mechanical properties of polydimethylsiloxane (PDMS)-CaO-SiO2 hybrids with different calcium contents

M. Kamitakahara, Masakazu Kawashita, N. Miyata, T. Kokubo, T. Nakamura

研究成果: Article査読

41 被引用数 (Scopus)

抄録

Polydimethylsiloxane (PDMS)-CaO-SiO2 hybrids with starting compositions containing PDMS/(Si(OC2H5)4 + PDMS) weight ratio = 0.30, H2O/Si(OC2H5)4 molar ratio = 2, and Ca(NO3)2/Si(OC2H5)4 molar ratios = 0-0.2, were prepared by the sol-gel method. The apatite-forming ability of the hybrids increased with increasing calcium content in the Ca(NO3)2/Si(OC2H5)4 molar ratio range 0-0.1. The hybrids with a Ca(NO3)2/Si(OC2H5)4 molar ratio range 0.1-0.2 formed apatite on their surfaces in a simulated body fluid (SBF) within 12 h. The hybrid with a Ca(NO3)2/Si(OC2H5)4 molar ratio of 0.10 showed an excellent apatite-forming ability in SBF with a low release of silicon into SBF. It also showed mechanical properties analogous to those of human cancellous bones. This hybrid is expected to be useful as a new type of bioactive material.

本文言語English
ページ(範囲)1015-1020
ページ数6
ジャーナルJournal of Materials Science: Materials in Medicine
13
11
DOI
出版ステータスPublished - 2002 11月 1
外部発表はい

ASJC Scopus subject areas

  • 生物理学
  • バイオエンジニアリング
  • 生体材料
  • 生体医工学

フィンガープリント

「Bioactivity and mechanical properties of polydimethylsiloxane (PDMS)-CaO-SiO2 hybrids with different calcium contents」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル