ADSORPTION AND MINERALIZATION EFFECTS OF CITRATE AND PHOSPHOCITRATE ON HYDROXYAPATITE

被引:65
作者
JOHNSSON, M
RICHARDSON, CF
SALLIS, JD
NANCOLLAS, GH
机构
[1] SUNY BUFFALO,DEPT CHEM,BUFFALO,NY 14260
[2] SUNY BUFFALO,DEPT BIOMAT,BUFFALO,NY 14260
[3] UNIV TASMANIA,DEPT BIOCHEM,HOBART,TAS 7001,AUSTRALIA
关键词
HYDROXYAPATITE; ADSORPTION; CRYSTALLIZATION; KINETICS; PHOSPHOCITRATE;
D O I
10.1007/BF02565136
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
The adsorption of citrate and phosphocitrate ions by hydroxyapatite (HAP) surfaces and their influence on the constant composition growth kinetics of HAP have been investigated. Phosphocitrate was strongly adsorbed to HAP and inhibited crystal growth. When HAP surfaces containing preadsorbed citrate were exposed to phosphocitrate, the uptake of the latter markedly increased. The two additives behaved synergistically in their HAP crystal growth inhibition.
引用
收藏
页码:134 / 137
页数:4
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