632698.fig.001
Figure 1: Top: TEM images and particle size distribution of LMW (a, b), HMW (c, d), and TMC (e, f) nanoparticles before centrifugation. Bottom: TEM images and particle size distribution of LMW (g, h), HMW (i, j), and TMC (k, l) nanoparticles after centrifugation. Nanoparticles were prepared from chitosan concentration of 1 mg/mL.