536291.fig.001a
(a)
Figure 1: Particle size and zeta potential of unloaded and BSA-loaded CS/DS nanoparticles at various concentrations of DS (CS 0.075% w/v, BSA 1 mg/mL, 37°C, mean ± S.D, ). *Particle surface charge of BSA-loaded was significantly different from unloaded CS/DS nanoparticles.