Crystallization of Anatase from Amorphous Titania in Hot Water and In Vitro Biomineralization.

  • WU Jin-Ming
    Biomaterials Laboratory, Faculty of Engineering, Okayama University Department of Materials Science and Engineering, Zhejiang University
  • HAYAKAWA Satoshi
    Biomaterials Laboratory, Faculty of Engineering, Okayama University
  • TSURU Kanji
    Biomaterials Laboratory, Faculty of Engineering, Okayama University
  • OSAKA Akiyoshi
    Biomaterials Laboratory, Faculty of Engineering, Okayama University

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  • 温水中でのアモルファスチタニアのアナターゼへの結晶化とバイオミネラリゼーション

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Abstract

Anatase of good crystallinity has been developed on titanium substrates by soaking in a 30 mass% hydrogen peroxide solution at 80°C for 8h, soaking in distilled water at ambient temperature for 12h, and subsequently aging in distilled water at 80°C for 3d. The anatase layers exhibit good bioactivity as inducing apatite deposition in Kokubo's simulated body fluid within 2d.

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