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<p>Copper oxide nanoparticles (NPs) have a potential multifunctional role as a catalyst, conductive ink or cooling fluid, antibacterial property and behaviours of a p-type semiconductor. The current research deals with the environmentally friendly, low cost, synthesis and tailoring of copper nanostructures (NSs) by the sono-biochemical method using <i>Moringa oleifera</i> seed extract. The prepared Cu<sub>2</sub>O NSs were initially confirmed by UV-visible (UV-Vis) characteristics spectra which have a strong peak at 461&#xa0;nm and a small hump at 558&#xa0;nm obtained by a spectrophotometer. The crystalline size of Cu<sub>2</sub>O (15.27&#xa0;nm) as determined by X-ray diffraction (XRD), and microstructure appeared as nanoflowers, confirmed by transmission electron microscopy (TEM). The presence of a functional group was confirmed on NSs by Fourier transform infrared (FTIR). The bactericidal efficacy of the prepared material was tested by the disc diffusion method, at the concentration of 50 ppm, with zones of inhibition of 10&#xa0;mm, 8&#xa0;mm and 16&#xa0;mm against <i>E. coli</i>, <i>S. typhi</i>,<i> and S. aureus</i> respectively. Furthermore, significant antioxidant activity was performed and observed half maximal inhibitory concentration (IC<sub>50</sub>) = 70.1 ± 2.3&#xa0;µg/ml which is attributed to their ability to scavenge free radicals and reduce oxidative stress. Finally, the current research evolves a unique environmentally benign method for developing multifunctional Cu<sub>2</sub>O nanostructures.</p>

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Novel sonobiochemical synthesis of copper nanoflower using Moringa Oliefera seed and its medicinal properties

  • 期刊论文

  • 发表日期：

    2026年8月4日

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  • Prem Kumar Tripathi,
  • Abhishek Kumar Bhardwaj,
  • Birendra Kumar Thakur,
  • Ajay Kumar Tiwari,
  • Sharad Kumar Tripathi,
  • Ram Raseele Awasthi,
  • B. K. Dwivedi

摘要

Copper oxide nanoparticles (NPs) have a potential multifunctional role as a catalyst, conductive ink or cooling fluid, antibacterial property and behaviours of a p-type semiconductor. The current research deals with the environmentally friendly, low cost, synthesis and tailoring of copper nanostructures (NSs) by the sono-biochemical method using Moringa oleifera seed extract. The prepared Cu2O NSs were initially confirmed by UV-visible (UV-Vis) characteristics spectra which have a strong peak at 461 nm and a small hump at 558 nm obtained by a spectrophotometer. The crystalline size of Cu2O (15.27 nm) as determined by X-ray diffraction (XRD), and microstructure appeared as nanoflowers, confirmed by transmission electron microscopy (TEM). The presence of a functional group was confirmed on NSs by Fourier transform infrared (FTIR). The bactericidal efficacy of the prepared material was tested by the disc diffusion method, at the concentration of 50 ppm, with zones of inhibition of 10 mm, 8 mm and 16 mm against E. coli, S. typhi, and S. aureus respectively. Furthermore, significant antioxidant activity was performed and observed half maximal inhibitory concentration (IC50) = 70.1 ± 2.3 µg/ml which is attributed to their ability to scavenge free radicals and reduce oxidative stress. Finally, the current research evolves a unique environmentally benign method for developing multifunctional Cu2O nanostructures.