Fig. 2.

Characterization of siRNA2-loaded chitosan coated poly (D, L-lactide-co-glycolide) nanoparticles. (A) Zeta potential distribution; (B) Size distribution; (C) Scanning electron microscope image of siRNA-2 loaded chitosan coated poly (D, L-lactide-co-glycolide) nanoparticles; (D) Sustained release of siRNA-2 loaded chitosan coated poly (D, L-lactide-co-glycolide) nanoparticles.