CaCO3/Ca-P biphasic materials prepared by microwave processing of natural aragonite and calcite

被引：9
|
作者：
Peña, J
LeGeros, RZ
Rohanizadeh, R
LeGeros, JP
机构：
[1] NYU, Coll Dent, New York, NY 10010 USA
[2] UCM, D Quim Inorgan & Bioinorgan, ES-28040 Madrid, Spain
来源：
BIOCERAMICS | 2000年 / 192-1卷
关键词：
calcite; calcium phosphate; coral (Aragonite); microwave synthesis;
D O I：
10.4028/www.scientific.net/KEM.192-195.267
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The purpose of this study was to prepare CaCO3/Ca-P biphasic or composite materials using microwave technology. Particles of coral (natural aragonite) and a porous limestone (natural calcite) were suspended in phosphate solutions of different pH and concentrations and heated for different periods (up to 5 hrs) using a domestic microwave. Parallel experiments were carried out using hydrolysis method. Higher extents of transformation were observed with microwave processed materials. Depending on the reaction pH and reaction period, partial transformation of aragonite (coral) or calcite (limestone) to acidic calcium (monetite) or basic (carbonatehydroxyapatite, CHA) calcium phosphates was achieved.
引用
收藏
页码：267 / 270
页数：4
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