Synthesis and Characterization of TiO₂-ZnO-MgO Mixed Oxide and Their Antibacterial Activity

Materials
Luis M Anaya-EsparzaAlejandro Pérez-Larios

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.

References

Nov 14, 2013·Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment·Lu-E ShiZhen-Xing Tang
Nov 5, 2016·Colloids and Surfaces. B, Biointerfaces·G Devanand VenkatasubbuRamachandran Chelliah
May 23, 2018·Materials·Katarzyna Siwińska-StefańskaTeofil Jesionowski
Nov 18, 2018·Materials·Adam KubiakTeofil Jesionowski

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Citations

Feb 15, 2020·Materials·Luis Miguel Anaya-EsparzaAnd Efigenia Montalvo-González
Oct 2, 2020·Nanoscale Research Letters·Buzuayehu AbebeH C Ananda Murthy
Jul 13, 2019·Nanomaterials·Luis M Anaya-EsparzaAlejandro Pérez-Larios
Jul 30, 2021·Frontiers in Microbiology·Amir Ali AnvarMaryam Ataee

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Methods Mentioned

BETA
transmission
scanning
X-ray

Software Mentioned

Statsoft

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