Preparation of aluminum oxide-hybridized hydroxyapatite powder by the sol-gel method

Eiji Fujii, Koji Kawabata, Hideyuki Yoshimatsu, Kanji Tsuru, Satoshi Hayakawa, Akiyoshi Osaka

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Hydroxyapatite powders (HAp; Ca 10(PO 4) 6(OH) 2) hybridized with 0-5 mass % Al 2O 3 were prepared from calcium hydroxide and di-aminonium hydrogenphosphate by a wet chemical synthesis. Ethylacetoacetate Aluminum Diisopropoxide (Al(OC 3H 7) 2(C 6H 9O 3)) was used as a source for aluminum oxide. The obtained powders were characterized by X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET) specific surface area measurement, and magic angle spinning-nuclear magnetic resonance spectroscopy (MAS-NMR). The X-ray diffraction patterns showed no Al 2O 3-peaks irrespective of Al 2O 3 content, suggesting that the Al 2O 3-hybridized HAp powders were single phase. The Al 2O 3-hybridized HAp powder had larger specific surface area. According to MAS-NMR analysis, it was considered that the aluminum element existed as aluminum oxide, it was not substituted for the Ca 2+, PO 4 3-, or OH - ions.

Original languageEnglish
Pages (from-to)241-244
Number of pages4
JournalNippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
Volume113
Issue number1315
DOIs
Publication statusPublished - Mar 2005

Fingerprint

Aluminum Oxide
Durapatite
Hydroxyapatite
Powders
Sol-gel process
aluminum oxides
gels
Aluminum
preparation
Magic angle spinning
Oxides
magnetic resonance spectroscopy
Specific surface area
metal spinning
Nuclear magnetic resonance spectroscopy
aluminum
Calcium Hydroxide
X ray diffraction
nuclear magnetic resonance
Hydrated lime

Keywords

  • Aluminum
  • Biomaterials
  • Hybrid material
  • Hydroxyapatite
  • MAS-NMR
  • Sol-gel method

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

Preparation of aluminum oxide-hybridized hydroxyapatite powder by the sol-gel method. / Fujii, Eiji; Kawabata, Koji; Yoshimatsu, Hideyuki; Tsuru, Kanji; Hayakawa, Satoshi; Osaka, Akiyoshi.

In: Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan, Vol. 113, No. 1315, 03.2005, p. 241-244.

Research output: Contribution to journalArticle

Fujii, Eiji ; Kawabata, Koji ; Yoshimatsu, Hideyuki ; Tsuru, Kanji ; Hayakawa, Satoshi ; Osaka, Akiyoshi. / Preparation of aluminum oxide-hybridized hydroxyapatite powder by the sol-gel method. In: Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan. 2005 ; Vol. 113, No. 1315. pp. 241-244.
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