方法应用药物控制释放技术，采用生物降解高分子对药物进行包埋或微包囊。
Methods Using drug controlled release technique that to embed or microcapsulate the biological drug with biodegradable polymer.
目的研究应用药物控制释放技术，在组织工程中实现对生长因子的活性保护和控制释放。
Objective To investigate protection of biological activity and controlled release of growth factor by means of drug controlled release technique in tissue engineering.
控制释放技术作为一种新型且安全有效的方法，已引起越来越多有关专业人员的重视，正在形成一个崭新的研究领域。
As a new safe and effective approach, controlled release technology has attracted attentions of more and more specialists and a brand new research field is thus coming into being.
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