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Direct formation of nanophase hydroxyapatite on cathodically polarized electrodes.
Shirkhanzadeh M.
Department of Materials and Metallurgical Engineering, Queen's University, Kingston Ontario Canada K7L 3N6.
Ultrafine-grained, nanophase coatings of hydroxyapatite were synthesized by electrocrystallization from dilute electrolytes ([Ca]=6.1x10-4 M, [phosphate]=3.6x10-4 M) at pH values comparable with the biological pH. At these comparatively low supersaturations, hydroxyapatite is shown to be precipitated without the formation of a precursor phase. A description of the sequence of events occurring at the electrode-electrolyte interface is given to explain the mechanism involved in the direct formation of nanophase hydroxyapatite on polarized electrodes. Copyright 1998 Chapman & Hall
PMID: 15348909 [PubMed - in process]
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