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Antimicrobial effect against S. aureus strains of vancomycin-loaded chitosan aerogels and dissolved vancomycin HCl (positive control) compared with the negative controls: Free bacterial culture (diagonal bars) and unloaded chitosan aerogels (dotted). Vancomycin in the aerogels and the positive control provided a fast antimicrobial effect, with complete bacterial inhibition after 6 h of incubation.
