Effect of He-Ne Laser and Zinc Oxide Nanoparticles on Pathogenic Bacterium Escherichia Coli in Vitro

Volume 18 No 8 (2020)

Dr. Khalid I. Riah

DOI: 10.14704/nq.2020.18.8.NQ20205

Abstract

This study illustrate the effect of Zinc oxide nanoparticles (ZnO-NPs) or He-Ne laser each of them individually, on Escherichia Coli (E. coli), also study the dual effect of nanoparticles with various concentrations and laser energy with two different irradiation times to kill or inhibition of bacterial growth. The results showed that E. coli was affected by ZnO-NPs in high concentration and there was a little effect of laser irradiation with 2 mw power when used alone or when used together with ZnO-NPs.

Keywords

Laser, He-Ne, Nanoparticles, ZnO-NPs, E.coli.

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