Does cupric oxide have antibacterial ability?

Yes. One of the innovative methods presented against the bacterial resistance is the use of metal and oxide nanoparticles, hetrostructures and nanocomposites. For cupric oxide (CuO) nanoparticles, release of ionic Cu from metallic Cu surfaces has been suggested as a reason behind its antimicrobial effect. In bacterial cells, Cu(ii) ions are reduced by sulfhydryl to cuprous Cu(i) ions.The redox cycling intend to generate superoxide species in contributing degradation of biomolecules.

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