Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 25, Issue 6, Pages 743-747Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200300259
Keywords
biocompatibility; biodegradable; block copolymers; micelles
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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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