SiO2@Cu core: antibacterial, "shell" active agents synthesized through sol-gel
1 Department of Physics, College of Education for Pure Sciences, Tikrit University, Salahuddin, Iraq.
2 Department of Physics, College of Science, University of Baghdad, Baghdad, Iraq.
Research Article
Global Journal of Engineering and Technology Advances, 2023, 14(02), 141–149.
Article DOI: 10.30574/gjeta.2023.14.2.0034
Publication history:
Received on 06 January 2023; revised on 21 February 2023; accepted on 24 February 2023
Abstract:
We examined the capacity of SiO2@Cu core-shell nanoparticles to inhibit Escherichia coli and Streptococcus mutaus. Before and after the addition of silicate, copper showed a surface plasmon resonance (SPR) with a peak in the 620–630 nanometers' region. SiO2@cu core-shell nanoparticle manufacturing was further demonstrated to have a spherical shape, as demonstrated in TEM. The crystal structure of the SO2 @cu we found matches the X-ray diffraction patterns for the nanoparticles, which display Face-Centered Cubic (FCC) copper. The infrared Fourier transform (FT-IR). Explains more about the studied interaction of the produced copper NPs with silica. This demonstrated Cu deposition on the spherical silicate (SiO2) surface and the mean size of these nanoparticles was 139 nanometers. SiO2@Cu core-shell nanoparticles were definitely the cause of the inhibitory zone, and they were effective against Escherichia coli bacteria and Streptococcus mutans within ranges of 12–20 mm and 28–34 mm, respectively.
Keywords:
Nanoparticles; Sol-gel; SPR; Antibacterial; Inhibition zone
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Copyright © 2023 Author(s) retain the copyright of this article. This article is published under the terms of the Creative Commons Attribution Liscense 4.0