Adsorption and mineralization effects of citrate and phosphocitrate on hydroxyapatite

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...

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Veröffentlicht in:	Calcified tissue international 1991-08, Vol.49 (2), p.134-137
Hauptverfasser:	JOHNSSON, M, RICHARDSON, C. F, SALLIS, J. D, NACOLLAS, G. H
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Biological and medical sciences Citrates Citric Acid Diverse techniques Durapatite Fundamental and applied biological sciences. Psychology Hydroxyapatites - chemistry Molecular and cellular biology
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Zusammenfassung:	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.
ISSN:	0171-967X 1432-0827
DOI:	10.1007/bf02565136