Citation: Yong-Sen Sun, Ai-Ling Li, Fu-Jian Xu, Dong Qiu. A low-temperature sol-gel route for the synthesis of bioactive calcium silicates[J]. Chinese Chemical Letters, ;2013, 24(2): 170-172.
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Sol-gel-derived bioactive calcium silicates, synthesized from calcium nitrate tetrahydrate and calcium 2-methoxyethoxide as calcium precursor respectively, were calcified under different temperatures. A series of techniques including SEM, TGA, solid 29Si NMR, nitrogen adsorption, and simulated body fluids (SBF) soaking were employed to study their textural features and in vitro bioactivity. It was confirmed that calcium 2-methoxyethoxide is a promising candidate of calcium precursor for bioactive calcium silicates stabilized under low temperatures. This has implications in fabrication of organic-inorganic hybrid composites.
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