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<p>The invention relates to the sustainable development of undoped and doped nickel oxide nanoparticles (NiO-NPs) using <i>Zephyranthes citrina</i> bulb extract as a bio-reductant in a solution combustion synthesis process. NiO NPs were synthesized by doping them with varying amounts of zirconium (Zr) and neodymium (Nd), enhancing their crystallinity and allowing precise control over their optical properties. Structural and morphological characteristics were confirmed using distinctive techniques. These analyses validated the NPs’ integrity, surface features, and band gap modifications. Their biological activities were assessed, including antioxidant, anti-inflammatory, antimitotic (onion root tip assay), and antidiabetic effects. Additionally, their agronomic potential was evaluated through seed germination and seedling growth studies. This environmentally friendly synthesis provides a viable path for developing NiO NPs suitable for optoelectronic and biomedical applications.</p> Graphical Abstract <p></p>

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Eco-friendly fabrication of zirconium- and neodymium-doped NiO nanoparticles using Zephyranthes citrina bulb extract: structural, optical, biomedical, and agronomic assessments

  • 期刊论文

  • 发表日期：

    2025年6月27日

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  • S. Deepti,
  • A. Bhavana,
  • A. Inchana,
  • K.V. Rashmi,
  • H. S. Lalithamba,
  • S.M. Vidya,
  • B. K. Manjunatha,
  • Srilatha Rao,
  • G. K. Prashanth

摘要

The invention relates to the sustainable development of undoped and doped nickel oxide nanoparticles (NiO-NPs) using Zephyranthes citrina bulb extract as a bio-reductant in a solution combustion synthesis process. NiO NPs were synthesized by doping them with varying amounts of zirconium (Zr) and neodymium (Nd), enhancing their crystallinity and allowing precise control over their optical properties. Structural and morphological characteristics were confirmed using distinctive techniques. These analyses validated the NPs’ integrity, surface features, and band gap modifications. Their biological activities were assessed, including antioxidant, anti-inflammatory, antimitotic (onion root tip assay), and antidiabetic effects. Additionally, their agronomic potential was evaluated through seed germination and seedling growth studies. This environmentally friendly synthesis provides a viable path for developing NiO NPs suitable for optoelectronic and biomedical applications.

Graphical Abstract