Abstract
In this work, first, copper oxide nanoparticles (CuONPs and Cu2ONPs) were manufactured using both hydrothermal and plant extracts methods for evaluating antibacterial activity of samples. X-ray diffraction (XRD) measurements confirm appeared the structure of CuONPs and Cu2ONPs with their phases. Field Emission Scanning Electron Microscopy (FESEM) measurements of CuONPs that prepared by Senna exhibited NPs assembled in semi-spherical like-shape, and after used Onion plants extract to prepared CuONPs the results showed the most of the particles are nanosheets, but after used Ziziphus Spina-Christi plants extract to prepared Cu2ONPs the results showed a cluster of NPs consists of very small NPs. Secondly, preparation a stable NPs/Polyvinyl alcohol (PVA) nanocoating with antibacterial activity, and the result shows a good inhibition percentage for NPs/PVA nanocoating against Klebsiella pneumonia and Salmonella bacterial. Therefore, this work is considered a very great introduction to the employment of copper oxide nanostructures in the field of anti-bacterial nanocoating.
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