Fig. 2From: The antimicrobial activity of free and immobilized poly (diallyldimethylammonium) chloride in nanoparticles of poly (methylmethacrylate)Morphology of PMMA/PDDA NPs from SEM micrographs. The dispersions A3, A4, A5, B3, B4 and B5 are seen under low and high magnification. The bar corresponds to 1 µm. The inserts show magnified images of the same dispersionsBack to article page