Publicado en 3C Tecnología – Volume 12 Issue 1 (Ed. 43)

Autores

Al- Ajeeli, Alaa F. Hashim
Razeg, Khalid Hamdi
Fuad Tariq Ibrahim

Resumen

Abstract

Core-shell Cu@sio2 nanoparticles were created by a chemical reaction in a sol gel, and their ability to inhibit S. aureus and E. coli bacteria was tested, when synthesized and characterized using ultraviolet-visible spectroscopy, a copper band could be seen before and after encapsulation at wavelengths of 625 nanometers and 635 nanometers, which are surface plasmonic resonant frequency bands, respectively. The production of Cu @Sio2 core shell nanoparticles was further confirmed using field emission scanning electron microscope (FESEM) pictures. The core shell nanoparticles have a mean size of 66 nanometers and a spherical shape, as shown in TEM. The X-ray diffraction patterns for the nanoparticles, which show face-centered cubic (FCC) of copper, match the crystal structure of Cu@sio2 we discovered using fourier transform infrared (FT-IR) spectroscopy, the fourier transform infrared interaction between the silica and the synthesized copper NPs was investigated. This revealed the capping of the CuNPs by SiO2. The inhibition zone was evident as a result of the activities of these compounds (14, 14, 16, and 20) and (24, 24, 28, and 30) against Escherichia coli bacteria and Staphylococcus aureus bacteria, respectively.

Artículo

Palabras clave

Keywords

Copper Nanoparticle, Silica, Antibacterial, Inhibition Zone.

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