R2: Crystal structure, crystal chemistry, physical properties of minerals, crystal growth and applied mineralogy

[R2-02] Inorganic process for hybridization of silica-octacalcium phosphate

*Yuki Sugiura Sugiura¹, Masanori Horie¹, Yasuko Saito³, Takashi Endo³, Kodai Niitsu² (1. AIST HMRI, 2. NIMS, 3. AIST)

Keywords:Otcacalcium phosphate, Biomaterial, siica, Bioceramics

Silica is not only a biocompatible trace element but also an essential element for bone formation and
metabolism. Therefore, it is often doped into bioceramics such as calcium phosphate and calcium
carbonate for enhancing biomaterial ability. Heretofore, organic silica materials are employed as silica
sources, but the residual organic matter is a significant drawback in biomaterial applications. Therefore,
in this study, we introduce a one-pot inorganic synthesis method for the formation of silica-doped
octacalcium phosphate (OCP) using Na2SiO3 as the silica source.