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<p>This study explores the microbial-assisted synthesis of nanoparticles from chalcopyrite ore and its tailings, emphasizing their potential applications in sustainable agriculture. Addressing the gap between research and practical field applications, the study employs microbial diversity to recover valuable elements as nanoparticles through green methods. Organic acids and metabolites produced by microorganisms facilitated the breakdown of mineral ores into nanoparticles. Optimal conditions (28&#xa0;°C, pH 3.8) yielded nanoparticles (15–200&#xa0;nm) after 72&#xa0;h, as analysed by Dynamic Light Scattering and Scanning Electron Microscopy. Glycine encapsulation was confirmed via UV spectroscopy. In vitro experiments on <i>Cicer arietinum</i> (L.) demonstrated enhanced plant growth, including increased seed germination, branching, and early flowering, highlighting the potential of these nanoparticles in agricultural enhancement.</p>

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Harnessing microbial diversity for nanoparticle synthesis from mineral ores: toward sustainable agriculture

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年11月19日

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  • Rakesh Sharma,
  • Shagun Sharma,
  • Irshad Mohammad,
  • Vaishnavi Singh,
  • Gulshan Kumar Sharma,
  • Vandana Nunia

摘要

This study explores the microbial-assisted synthesis of nanoparticles from chalcopyrite ore and its tailings, emphasizing their potential applications in sustainable agriculture. Addressing the gap between research and practical field applications, the study employs microbial diversity to recover valuable elements as nanoparticles through green methods. Organic acids and metabolites produced by microorganisms facilitated the breakdown of mineral ores into nanoparticles. Optimal conditions (28 °C, pH 3.8) yielded nanoparticles (15–200 nm) after 72 h, as analysed by Dynamic Light Scattering and Scanning Electron Microscopy. Glycine encapsulation was confirmed via UV spectroscopy. In vitro experiments on Cicer arietinum (L.) demonstrated enhanced plant growth, including increased seed germination, branching, and early flowering, highlighting the potential of these nanoparticles in agricultural enhancement.