DESCRIZIONE
A package comprising packaging material defining an enclosed space suitable for containing an item susceptible to microbial growth or spoilage is described. An interior of the package comprises at least one antimicrobial surface bearing an ordered nanoarray of metal or metal oxide nanostructures. A packaging material in the form of a sheet or film having a first face and a second face, in which at least a portion of one of the first or second faces of the film comprises a surface bearing a nanoarray of metal or metal oxide nanostructures, is also described.