AgNPs/GO nanomaterial by a simple method and studied its antibacterial properties

This study used the Tamarix gallica aqueous extract to simultaneously reduce silver ions and graphene oxide (GO), forming the AgNPs/GO nanocomposite in a single step. The agar diffusion method determines the material’s antibacterial activity and tests its effectiveness against Gram-negative Escheric...

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Bibliographic Details
Published in:Applied physics. A, Materials science & processing Materials science & processing, 2023-12, Vol.129 (12), Article 852
Main Authors: Herrera-Rodríguez, Anabel, Esparza, R., González-Hernández, Juan Carlos, Rosas, G.
Format: Article
Language:English
Subjects:
Applied physics
Characterization and Evaluation of Materials
Chemical composition
Condensed Matter Physics
Crystal structure
E coli
Graphene
Machines
Manufacturing
Materials science
Nanocomposites
Nanomaterials
Nanoparticles
Nanotechnology
Optical and Electronic Materials
Physics
Physics and Astronomy
Processes
Silver
Surfaces and Interfaces
Thin Films
X-ray diffraction
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Summary:This study used the Tamarix gallica aqueous extract to simultaneously reduce silver ions and graphene oxide (GO), forming the AgNPs/GO nanocomposite in a single step. The agar diffusion method determines the material’s antibacterial activity and tests its effectiveness against Gram-negative Escherichia coli ATCC 25922 and Gram-positive Staphylococcus aureus ATCC 29213. The properties of products were analyzed using various methods such as UV–Vis, SEM, XRD, STEM, and FT-IR to determine their morphology, structure, and chemical composition. XRD, SEM, and STEM analysis revealed that silver nanoparticles (AgNPs) were deposited on reduced graphene oxide (rGO). The AgNPs were semi-spherical in shape and had a face-centered cubic crystal structure with a size ranging from 5 to 40 nm. AgNPs/GO is antibacterial and effective against Escherichia coli and Staphylococcus aureus . However, Ag/rGO was more effective against Staphylococcus aureus.
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-023-07120-z