Fig. 2From: Encapsulation of propolis extracted with methylal in the chitosan nanoparticles and its antibacterial and cell cytotoxicity studiesSEM micrographs of PM-CH (A, B, C) and PE-CH (D, E, F). micrographs with a magnification of × 5000 (range 5 μm) and magnification up to × 10,000 (scale 2μm) show submicron particlesBack to article page