Recent Trends in Preparation of Poly(lactide-co-glycolide) Nanoparticles by Mixing Polymeric Organic Solution with Antisolvent

Figure 6

Illustrations of various kinds of PLGA-based nanoparticulate systems containing two or more types of drugs: (a) typical nanoparticles; (b) theranostic nanoparticles; (c) porous nanoparticles with both hydrophobic and hydrophilic drugs; (d) drug-spacer-PLGA nanoparticle with a hydrophobic drug in its core; (e) polyplex nanoparticle; (f) core-shell type lipid-PLGA hybrid nanoparticles; (g, h) Janus nanoparticles; (i) onion-type nanoparticles with multiple layers; and (j) polymersomes.