Abstract
Copper (Cu) hydrosol containing small nanoparticles (NPs) (~5nm) with narrow size distribution were used to investigate antimicrobial activity toward representative microorganisms of public concern (Escherichia coli, Staphylococcus aureus and Candida albicans). Microbial reduction measurements were performed as a function of CuNPs concentration, after 2h of their contact. Surface and morphological alterations of the strains exposed to the Cu NPs were studied on the cellular level using an atomic force microscope (AFM).
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