▎ 摘 要
NOVELTY - Virucidal and biocidal preparation containing a colloid of non-functionalized graphene oxide and silver nanoparticles free of surface impurities in a weight ratio of 5:25. Preparing the preparation and producing a stable and durable protective layer, showing antibacterial and virus-killing properties, preferably severe acute respiratory syndrome (SARS)-coronavirus-2, by applying the preparation on materials and surfaces, preferably masks and protective clothing in medical units. USE - The preparation is useful against viruses and microorganisms, preferably SARS-coronavirus-2. ADVANTAGE - None given.