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Title: Synthesis and Characterization of TiO2-ZnO-MgO Mixed Oxide and Their Antibacterial Activity
Authors: Anaya Esparza, Luis Miguel
Montalvo González, Efigenia
González Silva, Napoleón
Méndez Robles, María Dolores
Romero Toledo, Rafael
Yahia, Elhadi M.
Pérez Larios, Alejandro
Keywords: sol-gel method
mixed oxides
antimicrobial activity
Issue Date: Mar-2019
Publisher: MDPI
Citation: Anaya Esparza L.M., Montalvo González E., González Silva N., Méndez Robles M.D., Romero Toledo R., Yahia E.M. & Pérez Larios A. (2019). Synthesis and Characterization of TiO2-ZnO-MgO Mixed Oxide and Their Antibacterial Activity. Materials 2019, 12(5), 698; doi:10.3390/ma12050698
Series/Report no.: Materials;2019, 12(5), 698
Abstract: TiO2-ZnO-MgO mixed oxide nanomaterials (MONs) were synthetized via the sol-gel method and characterized by scanning electron microscopy (SEM) coupled with energy dispersive spectroscopy (EDS), transmission electron microscopy (TEM), nitrogen physisorption analysis, X-ray diffraction (XRD), UV-Vis diffuse reflectance spectroscopy (UV-Vis DRS), Fourier transform infrared spectroscopy (FTIR), and color (Luminosity (L), a, b, Chrome, hue) parameters. Furthermore, the antimicrobial activity of the MONs was tested against Escherichia coli (EC), Salmonella paratyphi (SP), Staphylococcus aureus (SA), and Listeria monocytogenes (LM). The MONs presented a semi globular-ovoid shape of ≤100 nm. Samples were classified as mesoporous materials and preserved in the TiO2 anatase phase, with slight changes in the color parameters of the MONs in comparison with pure TiO2. The MONs exhibited antimicrobial activity, and their effect on the tested bacteria was in the following order: EC > SP > SA > LM. Therefore, MONs could be used as antimicrobial agents for industrial applications.
Description: Artículo
ISSN: 1996-1944
Appears in Collections:2414 Artículos

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