Synthesis of Titanium Dioxide Nanoparticles (TiO2) and Application for Reduction of Bacterial Growth

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Ali Mena Akram; Mahdy Saba A.; Hussein Nehia Neama

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Journal Paper

Paper Information

Journal: JOURNAL OF NANOSTRUCTURES Year:2024 | Volume:14 | Issue:4 Page(s): 1046-1057

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Title

Synthesis of Titanium Dioxide Nanoparticles (TiO2) and Application for Reduction of Bacterial Growth

Author(s)

Ali Mena Akram | Mahdy Saba A. | Hussein Nehia Neama | Issue Writer Certificate

Keywords

Cancer

antibacterial

Antioxidant

Anti-cancer

TiO2 nanoparticles

Abstract

The present study has been dedicated to analyzing the photocatalytic activity and chemical stability of TiO2 nanoparticles, which in turn, could be employed in environmental and medical applications, such as antimicrobial coatings and Cancer therapy. The work was focused on the synthesis of titanium dioxide nanoparticles (TiO2) using titanium tetraisopropoxide Ti[OCH(CH₃)₂]₄ dissolved in isopropyl alcohol, sonication, and hydrothermal method at 140°C. The nanoparticles were afterwards cleaned, centrifuged, and dried by oven at 50°C for 3h, and stored at refrigerator until use. In the characterization of the fabricated nanoparticles, an anatase tetragonal phase with a particle size of around 74 nm was established. XRD analyses (X-ray diffraction) were exploited to learn more about the nanostructure, crystallite dimensions, and crystallographic planes. Spectroscopy of TiO2 was done using UV-Vis absorbance, and the results were in line with TiO2 photocatalytic activity which is particularly due to its interaction with light at 385 nm. The antibacterial properties of the nanoparticles were demonstrated in biological evaluations, and they were found to be effective against Proteus mirabilis. This may lead to finding out ways of using them for microbial targeting. Besides, the nanoparticles demonstrated concentration-dependent Antioxidant properties, which were responsible for the suppression of oxidative stress. Moreover, TiO2 showed the anti-Cancer effects against Human Skin Squamous Cell Carcinoma (HSSCC) concentrating and time-dependent cell death processes. The research, further, studied the role of TiO2 nanoparticles in the suppression of biofilms, especially against staphylococcal biofilms, but had a limited effect in the species like Pseudomonas aeruginosa, suggesting that the strategies should be specific to applications. In general, the TiO2 nanoparticles synthesized demonstrate a wide range of applications in medicine and environment with their antibacterial, anti-oxidant and anti-Cancer properties.

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