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Summary: A poly(aspartic acid)‐ block ‐polylactide (PAsp‐ block ‐PLA) diblock copolymer was synthesized through the polymerization of β ‐benzyl‐ L ‐aspartate‐ N ‐carboxyanhydride [Asp(OBzl)‐NCA] with amino‐terminating polylactide (NH 2 ‐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. The structure and formation of micelles of the poly(aspartic acid)‐ block ‐polylactide (PAsp‐ block ‐PLA) diblock copolymers synthesized here. image The structure and formation of micelles of the poly(aspartic acid)‐ block ‐polylactide (PAsp‐ block ‐PLA) diblock copolymers synthesized here.
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Arimura et al. (2004) studied this question.
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