مقاله CuO-NiO Nano composites: Synthesis Characterization and Cytotoxicity ‎evaluation ‎

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بخشی از متن مقاله CuO-NiO Nano composites: Synthesis Characterization and Cytotoxicity ‎evaluation ‎ :

سال انتشار : ۲۰۱۷

تعداد صفحات :۱۶

Objective(s): In this work, CuO- NiO nano-composites were synthesized via free-surfactant co-precipitation method and then their physiochemical properties, as well as cytotoxicity and antifungal effects, were studied. Methods: The structural and optical properties of CuO-NiO nanostructures were analyzed by X-ray diffraction (XRD), scanning electron microscopy (SEM), Atomic force microscope (AFM), UV–Vis absorption, and vibrating sample magnetometer (VSM) techniques. MTT assay was used to evaluate the cytotoxicity of nanostructures. Results: The cubical structure of CuO- NiO nano-composites was confirmed by the XRD technique. The optical study of the samples by UV-Vis indicted a blue shift in absorption wavelength with decreasing particle size due to quantum size effect. The super magnetic behavior of CuO-NiO nano composites after calcination was confirmed by magnetic characterization instrument. Finally, the results of cytotoxicity evaluation of CuO-NiO nano-composites at the lower concentrations on Breast cancer MDA cell lines demonstrate no significant toxicity. Minimum inhibitory concentration range and Minimum fungicidal concentration of nanoparticle were determined 0.97-15.62, 7.81µg/ml and for fluconazole were 1.75-25 µg/ml and 12.58 µg/ml, respectively. Conclusions: The study result of antimicrobialof CuO-NiO nano composites indicated an MIC90 antifungal activity with a concentration of 3.90µg/ml against vaginal isolates of C. albicans. The results of cytotoxicity study of nano-composites at concentration of 50µg/ml and 10µg/ml on the cell line of Breast cancer MDA was equivalent to %60 and %80, respectively.