Surface Entrapment of Polylysine in Biodegradable Poly(dl-lactide-co-glycolide) Microparticles Cui, Chengji ; Schwendeman, Steven P. Abstract Publication: Macromolecules Pub Date: November 2001 DOI: 10.1021/ma0105744 Bibcode: 2001MaMol..34.8426C