Author:
shaker Stabraq,Mohsin Ali Kamel,edan Mohammed
Abstract
Abstract
Enhancement antibacterial activities of a nanocomposit metal oxide by modifying the energy band gap are a future of anti-bacterial and viruses. (TiO2 and ZnO/TiO2) nanocomposit (NC) were prepared using a simple Sol-Gel method at calcination temperature 400, 500, 600, and 700 C. The structure, morphology and optical properties were utilized using X-ray diffraction (XRD), Fourier transmission infrared (FTIR), and UV-Vis spectroscopy. Antibacterial activity was measured according to the Kirby-Bauer disc method against Staphylococcus aureus. XRD patterns and FTIR confirmed the presence of TiO2, ZnO nanoparticles (NP) without any change in the main peaks. FESEM pictures illustrated like a spherical shape for all that NCs samples especially at temperature 600 C with an average particle size less than 66nm. UV-Vis spectra showed a shift of absorption edges to a visible region. TiO2/ ZnO NPs showed increase the antibacterial activity against bacteria strains Staphylococcus aureus. That enhancement of the NCs activity might pave the road to significant medical invention in the future.
Cited by
2 articles.
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