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Preparation and Characterization of Boron-containing Hydroxyapatite

文献类型: 会议论文

第一作者: Satoshi Hayakawa

作者: Satoshi Hayakawa 1 ; Akihito Sakai 2 ; Kanji Tsuru 3 ; Akiyoshi Osaka; Eiji Fujii; Koji Kawabata; Christian Jaeger;

作者机构: 1.Biomaterials Laboratory, Okayama University, 3-1-1, Tsushima, Okayama, 700-8530, Japan

2.Research Center for Biomedical Engineering, Okayama University, 3-1-1, Tsushima, Okayama, 700-8530, Japan

3.Industrial technology Center of Okayama Prefecture, 5301,

关键词: hydroxyapatite;boron;structure;NMR;thermal treatment

会议名称: International Symposium on Ceramics in Medicine;International Society for Ceramics Annual Meeting; 20071024-26;20071024-26; Nantes(FR);Nantes(FR)

主办单位:

页码: 191,194-

摘要: Boron-containing hydroxyapatite (BHAp) particles were synthesized by the wet chemical processing method and subsequent thermal treatment at the temperature ranging from 700-1200℃, and examined the effect of boron introduction on the microstructure of BHAp. The local structure around boron and phosphorus in the BHAp was analyzed by solid-state magic-angle spinning (MAS) nuclear magnetic resonance (NMR) spectroscopy. The heat-treatment above 700℃ induced the thermal decomposition of HAp to β-TCP and then the chemical reaction between HAp and B(OH)_3 was induced above 900℃, resulting in the formation of boron-substituted HAp particles accompanied by the formation of β-TCP and its transformation to α-TCP above 1200℃.

分类号: [ "R318.08" , "R318.08"]

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