Silicate-substituted hydroxyapatite

Iain Ronald Gibson (Inventor), Jan Skakle (Inventor)

Research output: Patent


An inorganic silicate-substituted calcium phosphate hydroxyapatite, useful as a biomaterial, has a Ca/P molar ratio in the range 2.05 to 2.55 and a Ca/(P+Si) molar ratio less than 1.66. The hydroxyapatite can be substantially free of carbonate ions. The material has relatively high solubility and is able to release silicon into solution.
Original languageEnglish
Patent numberUS20100173009
Publication statusPublished - 8 Jul 2010


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