1 IntroductionIn recent years, there has been increaSing interestin the use of microcaPSules (or microspheres) as thecontrolled release carriers of proteins andpolypeptides such as insulin I'l, growth hormone IZIand human bone morphogenetic protein-2 I3] etc. In+.view of their Practical uses in the body' the primaryaim is to prepare small $he and narrow sizedistribution microcaPSules (Or microspheme) withbiocompatible and biodegradable materials becausetheir distribution in the body is strongly dependent on...
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