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Growth of hydroxyapatite on silica gels in the presence of organic additives: kinetics and mechanism

机译:有机添加剂存在下羟基磷灰石在硅胶上的生长:动力学和机理

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摘要

Synthetic hydroxyapatite was grown on sur- faces of silica gels by immersing silica monoliths in a simulated body fluid at 37deg C. The gels were prepared by the sol-gel method and the drying process was controlled by using different additives (mono- and di-ethylene gly- col, formamide and glycerin) to obtain large monoliths. The additives affect the growth of the apatite by chang- Ing the kinetic constants of chemical reactions on the sil- Ica surface.
机译:通过将硅石块浸入模拟体液中,在37℃下,将合成羟基磷灰石生长在硅胶表面。通过溶胶-凝胶法制备凝胶,并通过使用不同的添加剂(单和双乙二醇,甲酰胺和甘油)以获得较大的整体。添加剂可通过改变硅Ica表面化学反应的动力学常数来影响磷灰石的生长。

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