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<p>A convenient and eco-friendly one-pot synthesis method for nanomaterials with diverse applications holds significant societal benefits. This study presents a comparative analysis of the facile synthesis of MgFe<sub>2</sub>O<sub>4</sub> nanoparticles through biological (MFB) and chemical (MFC) methods, emphasising their potential in dye degradation and antibacterial applications. Structural characterisation confirmed the phase purity and crystalline nature of both samples. Morphological analysis revealed slight differences between the two, while additional insights were provided by HRTEM, SAED, FTIR, and DRS analyses. The characterization results of MFB showed superior results such as comparatively smaller particle size, porous morphology, low band gap and presence of secondary metabolites etc. all of which can directly influence the photocatalytic and antibacterial properties of the sample. Photocatalytic degradation studies using an incandescent tungsten bulb for Methylene blue showed degradation rates of 79.48% for MFC and 94.74% for MFB within 180&#xa0;min. Both samples demonstrated excellent performance across various pH conditions and light sources, with MFB showing relatively superior results. Furthermore, reusability studies indicated sustained efficiency over multiple cycles. In terms of antibacterial properties, both samples showed effective activity against selected gram-positive and gram-negative bacteria, <i>Proteus vulgaris</i>, <i>Staphylococcus aureus</i>, <i>Bacillus subtilis</i> and <i>Pseudomonas denitrificans</i> with MFB displaying notably higher antibacterial efficacy.</p>

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Facile Synthesis of MgFe2O4 Nanoparticles by Green and Chemical Methods for Comparative Analysis on Wastewater Treatment and Antibacterial Properties

  • 期刊论文

  • 发表日期：

    2026年3月17日

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  • Sruthy Xavier,
  • P. G. Anusree,
  • Savitha Mathew,
  • Sherin Thomas

摘要

A convenient and eco-friendly one-pot synthesis method for nanomaterials with diverse applications holds significant societal benefits. This study presents a comparative analysis of the facile synthesis of MgFe2O4 nanoparticles through biological (MFB) and chemical (MFC) methods, emphasising their potential in dye degradation and antibacterial applications. Structural characterisation confirmed the phase purity and crystalline nature of both samples. Morphological analysis revealed slight differences between the two, while additional insights were provided by HRTEM, SAED, FTIR, and DRS analyses. The characterization results of MFB showed superior results such as comparatively smaller particle size, porous morphology, low band gap and presence of secondary metabolites etc. all of which can directly influence the photocatalytic and antibacterial properties of the sample. Photocatalytic degradation studies using an incandescent tungsten bulb for Methylene blue showed degradation rates of 79.48% for MFC and 94.74% for MFB within 180 min. Both samples demonstrated excellent performance across various pH conditions and light sources, with MFB showing relatively superior results. Furthermore, reusability studies indicated sustained efficiency over multiple cycles. In terms of antibacterial properties, both samples showed effective activity against selected gram-positive and gram-negative bacteria, Proteus vulgaris, Staphylococcus aureus, Bacillus subtilis and Pseudomonas denitrificans with MFB displaying notably higher antibacterial efficacy.