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The paper describes the synthesis and characterization of copper oxide nanoparticles (CuO NPs) using the mixture of plant rhizome extracts Ocimum sanctum and Saussurea lappa as a reducing agent. The prepared CuO nanoparticles are characterized and confirmed their formation based on data obtained from powder X-ray diffraction spectroscopy, Fourier Transmission Infrared, Ultraviolet-Visible spectra, Field Emission Scanning Electron Microscopy images, Energy Dispersive X-ray analysis and Dynamic light scattering techniques and data reveal that the average size of CuO Nps was 103.4 nm. The result of antibacterial and antifungal activities for concentrations 50, 100, and 170 ppm indicate that NPs may exhibit appreciable activity at higher (170 ppm) concentrations. The MTT cytotoxic assay studies of Chinese Hamster Ovary (CHO) cell lines showed a Half-maximal inhibitory concentration (IC50) value of 4.14 μg/mL.
Kolahalam et al. (Wed,) studied this question.