Influence of iron and temperature on the crystallization of calcium phosphates at the physiological pH

被引：35
|
作者：
Anee, TK
Palanichamy, M
Ashok, M
Sundaram, NM
Kalkura, SN
机构：
[1] Anna Univ, Ctr Crystal Growth, Madras 600025, Tamil Nadu, India
[2] Anna Univ, Dept Chem, Madras 600025, Tamil Nadu, India
来源：
MATERIALS LETTERS | 2004年 / 58卷 / 3-4期
关键词：
crystal growth; diffusion; doping; microstructure; brushite; hydroxyapatitc;
D O I：
10.1016/S0167-577X(03)00529-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of iron and temperature on the crystallization of dicalcium phosphate dihydrate (CaEPO4.2H(2)O, DCPD) in agarose was studied at various temperatures (27, 37 and 47 degreesC) at the physiological pH (7.4) by the single diffusion method. The spherulitic crystals of hydroxyapatite with a diameter of about 3 mm were observed in the presence of Fe at temperature of 47 degreesC. The spherulites consisted of thin, elongated needlelike crystals. Quantification of the iron incorporated in the crystals was carried out by elemental analysis. The crystals were characterized by XRD, FTIR and SEM techniques. (C) 2003 Elsevier B.V All rights reserved.
引用
收藏
页码：478 / 482
页数：5
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