Sonochemical synthesis of calcium phosphate powders

被引：24
|
作者：
de Campos, M.
Mueller, F. A.
Bressiani, A. H. A.
Bressiani, J. C.
Greil, P.
机构：
[1] Univ Erlangen Nuernberg, Dept Mat Sci, D-91058 Erlangen, Germany
[2] IPEN CNEN SP, BR-05508000 Sao Paulo, Brazil
[3] Univ Mogi das Cruzes, Technol Res Ctr, BR-08780911 Mogi Das Cruzes, SP, Brazil
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE | 2007年 / 18卷 / 05期
关键词：
D O I：
10.1007/s10856-006-0006-0
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
beta-tricalcium phosphate (beta-TCP) and biphasic calcium phosphate powders (BCP), consisting of hydroxyapatite (HA) and beta-TCP, were synthesized by thermal decomposition of precursor powders obtained from neutralization method. The precursor powders with a Ca/P molar ratio of 1.5 were prepared by adding an orthophosphoric acid (H3PO4) solution to an aqueous suspension containing calcium hydroxide (Ca(OH)(2)). Mixing was carried out by vigorous stirring and under sonochemical irradiation at 50 kHz, respectively. Glycerol and D-glucose were added to evaluate their influence on the precipitation of the resulting calcium phosphate powders. After calcination at 1000 degrees C for 3 h BCP nanopowders of various HA/beta-TCP ratio were obtained.
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页码：669 / 675
页数：7
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