Fig. 1From: Preparation and characterization of BSA as a model protein loaded chitosan nanoparticles for the development of protein-/peptide-based drug delivery systema Particle size distribution of blank (red, average diameter 193 nm) and BSA nanoparticles (green, average diameter 200–300 nm) and b zeta potentials of blank (red) and BSA-loaded nanoparticles (green)Back to article page