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<p>In the present work, Ni doped CuO nanoparticles blended with biopolymer were synthesized using a simple green synthesis method employing <i>Saccharum officinarum</i> plant extract. PXRD indicates that the synthesized Ni doped CuO nanoparticles exhibit monoclinic crystalline structure with the crystallite size around 21&#xa0;nm to 32&#xa0;nm. The surface morphology of biopolymer-blended Ni doped CuO nanoparticles was examined utilizing FESEM, and the average size was about 33.37&#xa0;nm, 32.14&#xa0;nm and 24.28&#xa0;nm and was in good agreement with PXRD studies. The FTIR analysis confirmed the existence of functional groups in prepared nanoparticles. The compositional and elemental analysis confirmed the presence of metal oxides in all samples.The optical properties of the samples were studied using UV–visible spectroscopy, and the band gap energy value was found. The higher negative Zeta potential gave the critical information on the dispersion of nanoparticles in terms of the magnitude of the charge. The antibacterial effectiveness of biopolymer-blended Ni doped CuO nanoparticles was evaluated via the well diffusion method against two gram-positive bacteria, <i>Staphylococcus aureus</i> and <i>Streptococcus pyogenes</i>, and two gram-negative bacteria, <i>Klebsiella pneumoniae</i> and <i>Escherichia coli</i>. It exhibits significant antibacterial effectiveness against pathogenic bacterial species. The in vitro cytotoxicity of biopolymer-blended Ni doped CuO nanoparticles was assessed against human breast cancer MCF-7 cell lines. This confirmed that the biopolymer-blended Ni doped CuO nanoparticles are effective agents for the treatment of human breast cancer.</p>

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Green synthesis of Ni doped CuO nanoparticles with Saccharum officinarum plant extract: effect of biopolymer on physiochemical and biological activity

  • 期刊论文

  • 发表日期：

    2025年6月19日

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  • S. Bhuvaneswari,
  • Ananth Steephen,
  • Muthusamy Sureshan,
  • Kadhirvel Saraboji

摘要

In the present work, Ni doped CuO nanoparticles blended with biopolymer were synthesized using a simple green synthesis method employing Saccharum officinarum plant extract. PXRD indicates that the synthesized Ni doped CuO nanoparticles exhibit monoclinic crystalline structure with the crystallite size around 21 nm to 32 nm. The surface morphology of biopolymer-blended Ni doped CuO nanoparticles was examined utilizing FESEM, and the average size was about 33.37 nm, 32.14 nm and 24.28 nm and was in good agreement with PXRD studies. The FTIR analysis confirmed the existence of functional groups in prepared nanoparticles. The compositional and elemental analysis confirmed the presence of metal oxides in all samples.The optical properties of the samples were studied using UV–visible spectroscopy, and the band gap energy value was found. The higher negative Zeta potential gave the critical information on the dispersion of nanoparticles in terms of the magnitude of the charge. The antibacterial effectiveness of biopolymer-blended Ni doped CuO nanoparticles was evaluated via the well diffusion method against two gram-positive bacteria, Staphylococcus aureus and Streptococcus pyogenes, and two gram-negative bacteria, Klebsiella pneumoniae and Escherichia coli. It exhibits significant antibacterial effectiveness against pathogenic bacterial species. The in vitro cytotoxicity of biopolymer-blended Ni doped CuO nanoparticles was assessed against human breast cancer MCF-7 cell lines. This confirmed that the biopolymer-blended Ni doped CuO nanoparticles are effective agents for the treatment of human breast cancer.