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<p>In this study, mycosynthesis of spherical and crystalline copper nanoparticles was fabricated using the wood-rot fungus <i>Schizophyllum commune</i> Fr., which was subsequently used for the removal of Pb(II) and Cd(II) from aqueous solution. The size of the Cu-NPs was found to be 12–14&#xa0;nm, as confirmed by TEM. The batch biosorption studies revealed that the maximum adsorption capacity of Cu-NPs for Pb(II) and Cd(II) was 85.14 and 81.71&#xa0;mg/g, respectively. This was later confirmed by a multifactor chemometric approach involving response surface methodology (RSM). The adsorption process was kinetically spontaneous and thermodynamically followed an endothermic reaction. The myco-NPs in this study demonstrated a significantly higher removal efficiency towards Pb(II) and Cd(II) as compared with conventional adsorbents and nanomaterials. These results highlight the importance of fungal-derived NPs as new bio-functional materials with high metal-binding efficiency, providing a mechanistic insight for developing next-generation green nanotechnologies for the decontamination of heavy metals.</p>

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Adsorption of Heavy Metals Using Mycogenic Copper Nanoparticles Using Box-Behnken Design: Adsorptive Dynamics and Kinetics Study

  • 期刊论文

  • 发表日期：

    2026年3月7日

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  • Priya Mondal,
  • Dipak Kumar Kar,
  • Subrata Raha

摘要

In this study, mycosynthesis of spherical and crystalline copper nanoparticles was fabricated using the wood-rot fungus Schizophyllum commune Fr., which was subsequently used for the removal of Pb(II) and Cd(II) from aqueous solution. The size of the Cu-NPs was found to be 12–14 nm, as confirmed by TEM. The batch biosorption studies revealed that the maximum adsorption capacity of Cu-NPs for Pb(II) and Cd(II) was 85.14 and 81.71 mg/g, respectively. This was later confirmed by a multifactor chemometric approach involving response surface methodology (RSM). The adsorption process was kinetically spontaneous and thermodynamically followed an endothermic reaction. The myco-NPs in this study demonstrated a significantly higher removal efficiency towards Pb(II) and Cd(II) as compared with conventional adsorbents and nanomaterials. These results highlight the importance of fungal-derived NPs as new bio-functional materials with high metal-binding efficiency, providing a mechanistic insight for developing next-generation green nanotechnologies for the decontamination of heavy metals.