Analysis on silica and graphene nanomaterials obtained from rice straw for antimicrobial potential

M. N. A. Uda and N. H. A Jalil and M. Firdaus A. Muttalib and F. Abdullah and Uda Hashim and Subash C. B. Gopinath and Muhammad Nur Afnan Uda and Shahidah Arina Shamsuddin and N. A Karim and Ahmad Radi Wan Yaakub and N. H. Ibrahim and Tijjani Adam and N. A. Parmin and Nadiya Akmal Baharum (2024) Analysis on silica and graphene nanomaterials obtained from rice straw for antimicrobial potential. International Journal of Nanoelectronics and Materials (IJNeaM), 17. pp. 221-228. ISSN 0198-5761

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URL: https://ejournal.unimap.edu.my/index.php/ijneam/ar...

Abstract

This study focuses on the encapsulation of silica and graphene nanoparticles and their potential applications. The encapsulation enhances the properties and effectiveness of these nanoparticles, with silica providing stability and graphene contributing to high surface area and electrical conductivity. Characterization of silica-graphene nanoparticles was conducted using various techniques including High Power Microscope (HPM), Scanning Electron Microscope (SEM), Energy-dispersive X-ray spectroscopy (EDS), and 3D Nano Profiler. The antimicrobial activity of silica, graphene, and silica-graphene nanoparticles was evaluated using a disc diffusion assay against E. coli and B. subtilis at varying concentrations. Results showed significant antimicrobial activity, with the inhibition zone being directly proportional to the concentration. Silica-graphene nanoparticles demonstrated higher efficacy against E. coli compared to B. subtilis, attributed to differences in cell wall structure. Statistical analysis using ANOVA confirmed significant differences in antimicrobial activity among the tested components.

Item Type:	Article
Keyword:	Antimicrobial activity, Morphological and element chemical availability, Synthesis, Silica-Graphene nanoparticle
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA1-2040 Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK1-9971 Electrical engineering. Electronics. Nuclear engineering
Department:	FACULTY > Faculty of Engineering
Depositing User:	SITI AZIZAH BINTI IDRIS -
Date Deposited:	16 Oct 2024 14:11
Last Modified:	16 Oct 2024 14:11
URI:	https://eprints.ums.edu.my/id/eprint/41426

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