Abstract

In the present work, copper oxide (CuO) nanoparticles have been synthesized by two methods (electro chemical and biological method).The synthesized nanoparticles characterized by x-ray diffraction (XRD), Scanning Electron Microscopy(SEM) and transmission Electron Microscopy(TEM). results show that to copper oxide (CuO) nanoparticle have average size of (11-15)nm of electrochemical method and (6-12 ) nm of biological method by different technique CuO nanoparticles were applied to study the inhibition of bacterial using (staphylococcus and pseudomonas). The antibacterial activity of CuO nanoparticles show a higher inhibition of pseudomonas bacteria when a compared with staphylococcus bacteria.

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