期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 25, 期 6, 页码 743-747出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200300259
关键词
biocompatibility; biodegradable; block copolymers; micelles
A poly(aspartic acid)-block-polylactide- (PAsp-block-PLA) diblock copolymer was synthesized through the polymerization of beta-benzyl-L-aspartate-N-carboxyanhydride [Asp(OBzl)-NCA] with amino-terminating polylactide (NH2-PLA) as a macroinitiator. The chain length of the PAsp segment could be easily controlled by changing the. monomer/initiator ratio. Dynamic light scattering measurements of PAsp-block-PLA aqueous solutions revealed the formation of polymeric micelles. Changes in the micelles as a function of pH were investigated.
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