Spray Pyrolysis Preparation of Apatite-Composite Particles for Biological Application

Akiyoshi Osaka, Kanji Tsuru, H. Iida, Chikara Ohtsuki, Satoshi Hayakawa, Yoshinari Miura

研究成果: ジャーナルへの寄稿学術誌査読

10 被引用数 (Scopus)

抄録

Apatite derived by sol-gel routes through an amorphous state or derived biomimetically is likely to provide chemically and biologically active surfaces. Thus apatite or apatite-composite particles were prepared by spray-pyrolysis of several solutions as they were applicable to medical treatment. Calcium lactate and ammonium dihydrogen phosphate aqueous solutions stabilized with ethylenediaminetetraacetic acid were sprayed ultrasonically and pyrolysed at 600°C to yield amorphous particles of apatite while apatite-ferric oxide composite powders were prepared from the solutions of calcium lactate and ferric nitrate. Solutions of calcium nitrate and titanium ethoxide in 0.5 N HNO3 were also spray-pyrolysed at 600°C to prepare calcium titanate and titanium oxide particles trapped on a Ti substrate. Apatite could biomimetically be developed on the calcium titanate particles when they were soaked in an acellular simulated body fluid.

本文言語英語
ページ(範囲)655-661
ページ数7
ジャーナルJournal of Sol-Gel Science and Technology
8
1-3
DOI
出版ステータス出版済み - 1月 1 1997

!!!All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • セラミックおよび複合材料
  • 化学 (全般)
  • 生体材料
  • 凝縮系物理学
  • 材料化学

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