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Green synthesis of cotton flower shaped nickel oxide nanoparticles: Anti-bacterial and tribological studies

Tipo de material: TextoTextoSeries ; Inorganic Chemistry Communications, 157, p.111239, 2023Trabajos contenidos:
  • Sankar, A. U. R
  • Kiran, Y. B
  • Mohan, V. M
  • Kumar, A. K
  • Varalakshmi, M. V
Tema(s): Recursos en línea: Resumen: The goal of this study was to synthesize nickel oxide nanoparticles (NiO-NPs)by the sol-gel method, which involved the use of Cassia Fistula is a herbal and medicinal plant. The Cassia Fistula (CF)plant extract acts as a stabilizing and capping agent. Further, NiO-NPs were characterized using UV-Visible spectroscopy (UV-Vis), Powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), Scanning electron microscopy (SEM)and Energy Dispersive X-Ray Spectroscopy (EDX). According to the results of UV-Visible, the absorption spectroscopy has displayed that the band gap is 3.5 eV. The biological properties were studied for prepared NiO-NPs. The antibacterial testes were examined using different bacterial strains such as Escherichia coli, Staphylococcus aureus and Staphylococcus Epidermis and dose-dependent inhibition response was reported. The tribological tests are carried out using four ball testers in accordance with ASTM D4172-18 requirements. NiO-NPs are utilised as lubricating additives in poly alpha olefin (PAO4)base oil. NiO-NPs in PAO4 at a concentration of 0.5 wt percent improved the coefficient of friction, and positive results are observed.
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The goal of this study was to synthesize nickel oxide nanoparticles (NiO-NPs)by the sol-gel method, which involved the use of Cassia Fistula is a herbal and medicinal plant. The Cassia Fistula (CF)plant extract acts as a stabilizing and capping agent. Further, NiO-NPs were characterized using UV-Visible spectroscopy (UV-Vis), Powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), Scanning electron microscopy (SEM)and Energy Dispersive X-Ray Spectroscopy (EDX). According to the results of UV-Visible, the absorption spectroscopy has displayed that the band gap is 3.5 eV. The biological properties were studied for prepared NiO-NPs. The antibacterial testes were examined using different bacterial strains such as Escherichia coli, Staphylococcus aureus and Staphylococcus Epidermis and dose-dependent inhibition response was reported. The tribological tests are carried out using four ball testers in accordance with ASTM D4172-18 requirements. NiO-NPs are utilised as lubricating additives in poly alpha olefin (PAO4)base oil. NiO-NPs in PAO4 at a concentration of 0.5 wt percent improved the coefficient of friction, and positive results are observed.

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