Bioactivity of sol–gel derived organically modified silicates: Part I: In vitro examination
作者： K TSURU , C OHTSUKI , A OSAKA , T IWAMOTO , J. D MACKENZIE
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摘要: Bioactivity was investigated for several organically modified silicates (Ormosils) prepared through sol–gel processes. Ca(II)-free samples were biocompatible only, but Ca(II)containing bioactive and deposited apatite during immersion in a simulated body fluid. The ease of silanol (Si–OH) group formation on the ormosils considered predominant factor controlling bioactivity, while effect dissolved Ca(II) ions to increase degree supersaturation fluid is secondary.
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