Antibacterial Effect of Zinc Oxide Nanoparticles and He-Ne Laser on Pseudomonas Aeruginosa in Vitro

Volume 18 No 8 (2020)

Safaa A. Yaseen

DOI: 10.14704/nq.2020.18.8.NQ20209

Abstract

This work was designed to study the effect of He-Ne laser (2 mw) and Zinc Oxide nanoparticles (ZnO-NPs) each of them separately on Pseudomonas aeruginosa. Also, illustrate the combined action of He-Ne laser and ZnO-NPs on this bacterium. Two different irradiation times for laser were used and three different concentrations of ZnO-NPs were applied to observe the inhibition on bacterium. The results show increase bacterium inhibition in the high concentration of ZnO-NPs used in this study. He-Ne laser irradiation times with (5 and 10 min.) do not inflict bacterial availability when used alone or with ZnO-NPs.

Keywords

He-Ne laser, ZnO-NPs, Nanoparticles, Pseudomonas Aeruginosa.

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