Affiliation:
1. Department of Microbiology, Faculty of Veterinary Medicine, Al-Qasim Green University, Iraq
Abstract
Because of its exceptional chemical, physical, and biological features,
graphene oxide (GO) has gained great attention. The Simplified Hammer's method
was used in this study to synthesize GO nanosheets, which were then characterized
by UV-Vis, SEM, FTIR spectroscopy, and XRD analysis. GO's UV-Vis peak of
absorption was at 230 nm. A peak of diffraction at 2θ= 10.75° was found in the
XRD examination, equivalent to around 0.82 nm spacing among layers. In the
FTIR spectra, characteristic peaks associated with oxygen functional groups of GO
were identified. In SEM pictures, GO is made up of crumpled thin nanosheets. The
diffusion in agar well procedure was applied to investigate the effect of as-prepared
GO nanosheets against gram-negative "Pseudomonas aeruginosa, Salmonella
typhi" and gram-positive "Enterococcus sp., Kocuria sp." Different concentrations
of GO demonstrated potent antibacterial activity, with higher efficacy against
gram-positive bacteria.
Keywords: Graphene Oxide, Nanosheets, Antibacterial effect, XRD, SEM, FTIR.
Subject
Infectious Diseases,Applied Microbiology and Biotechnology,Epidemiology,Biotechnology
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