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Ghaith Ahmed and Ahmed Hashim
Preparation of New PMMA/PEG/Si3N4 Nanocomposites for Biological Applications
867–875 (2023)
PACS numbers: 78.67.Sc, 81.07.Pr, 82.35.Np, 87.19.xb, 87.55.N-, 87.64.M-, 87.85.Rs
The PMMA–PEG–Si3N4 nanocomposites’ films are fabricated by casting method with different ratios of Si3N4 nanoparticles (NPs) of 0, 1.6, 3.2, 4.8 and 6.4 wt.% to use for antibacterial defence and gamma-radiation shielding. The PMMA–PEG–Si3N4 nanocomposites’ films are tested for antibacterial activity against Staphylococcus aureus and Escherichia coli. The results show that the PMMA–PEG–Si3N4 nanocomposites have high antibacterial activity against Staphylococcus aureus and Escherichia coli. In addition, the PMMA–PEG–Si3N4 nanocomposites’ films are tested for gamma-radiation shielding. The results show that the PMMA–PEG–Si3N4 nanocomposites’ films have high linear attenuation coefficients for gamma-rays.
Key words: polymethyl methacrylate, polyethylene glycol, Si3N4, nanocomposites, antibacterial defence, radiation shielding.
Issue DOI: https://doi.org/10.15407/nnn.21.04.867
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