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为了达到使药物收到最佳疗效的目的,近年利用生物药剂学的途径做了大量工作。胶体药物释放体系对全身治疗颇为有用。此体系基本上是亚微米体系,脂质体(Liposomes)是典型例子。另一类亚微释放体系是固体粒子,由于与微粒(Microparticle)和微囊(Microen-capsulation)制法类似,可以称之为毫微微粒(Nanoparticle)。因其形状不象胶囊也无外壳,所以称之为毫微囊(Nanocapsule)是不适当
In recent years, a great deal of work has been done on the use of biopharmaceuticals in order to achieve the best therapeutic results. Colloidal drug delivery system is quite useful for systemic treatment. This system is basically a submicron system, with liposomes being a classic example. Another type of sub-micro-release system is a solid particle, which may be referred to as a Nanoparticle because it is similar to the Microparticle and Microen-capsulation methods. Nanocapsule is inappropriate because it is not shaped like a capsule nor a shell