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In this study, γ-polyglutamic acid (γ-PGA) and chitosan (CS) nanoparticles were characterized as a carrier for the anti-cancer drug doxorubicin (DOX). Using ionic complexation between the positively charged DOX and the negatively charged polyelectrolyte γ-PGA, DOX:γ-PGA complexes were produced with an efficiency of approximately 99%. SEM micrographs demonstrated that the complexation of γ-PGA and...