▎ 摘　　要

Original method for direct preparation of nanocomposites of reduced graphene oxide and metal nanoparticles was developed. The technological scheme involves the preparation of graphene oxide by modified Hummers' method and the subsequent composite synthesis by simultaneous reduction of mixture of GO and the appropriate silver and copper salts. The resulting composites were characterized by XRD, SEM, TEM and N-2-physisorption. Metal nanoparticles with average size of about 20-40 nm are homogeneously distributed in the composites. The new mixed Cu-Ag-RGO nanocomposite manifests the best antibacterial behaviour against the bacteria Staphylococcus aureus, Escherichia coli and the fungus Candida albicans due to synergetic effect.