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Methods of synthesizing hydroxyapatite powders and bulk materials
Methods of synthesizing hydroxyapatite powders and bulk materials
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机译:羟基磷灰石粉体材料的合成方法
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摘要
Methods are provided for producing non-porous controlled morphology hydroxyapatite granules of less than 8 &mgr;m by a spray- drying process. Solid or hollow spheres or doughnuts can be formed by controlling the volume fraction and viscosity of the slurry as well as the spray-drying conditions. Methods of providing for homogenous cellular structure hydroxyapatite granules are also provided. Pores or channels or varying size and number can be formed by varying the temperature at which a hydroxyapatite slurry formed in basic, saturated ammonium hydroxide is spray-dried. Methods of providing non-porous controlled morphology hydroxyapatite granules in ammonium hydroxide are also provided. The hydroxyapatite granules and bulk materials formed by these methods are also provided.
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