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A novel surfactant-free process were proposed by modifying oil-in-water emulsion method to produce PLA/calcium phosphate composite. Several analyses suggested that the end group of PLA would play as the nucleation site for calcium phosphate precipitates at the oil/water interface. The precipitated calcium phosphate might play a role as stabilizer for microsphere fabrication.
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Nagata et al. (2003) studied this question.
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