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This study designed a series of polyanionic nanocarriers based on biodegradable and biocompatible poly (aspartic acid)s for oral administration. First, polysuccinimide (PSI) was synthesized from L-aspartic acid using acid-catalyzed bulk thermal polycondensation and acid-catalyzed thermal polycondensation in a mixture of mesitylene/sulfolane. PSI-C16 was then synthesized by aminolysis with nucleophile,...
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