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<p>In this study, we have successfully synthesized silver-doped calcium oxide nanoparticles (Ag@CaO-NPs (5%) and selenium-doped calcium oxide nanoparticles (Se@CaO-NPs (5%) using <i>Caccinia macrantera</i> extract as stabilizing and reducing agents with an eco-friendly and cost-effective method. Synthesized nanoparticles were surveyed using several analytical techniques, containing UV-Vis, FESEM/EDX, XRD, and FTIR. The outcomes of the UV-Vis approved the successful formation of NPs. The XRD patterns showed that Ag@CaO-NPs and Se@CaO-NPs have crystalline structures with cubic phases. FESEM/PSA images revealed that the synthesized Ag@CaO-NPs and Se@CaO-NPs have spherical shapes with average sizes of 44 and 46&#xa0;nm, respectively. Also, according to TEM images, Ag@CaO-NPs, and Se@CaO-NPs have a spherical morphology and their average size is about 35.2&#xa0;nm and 36.9&#xa0;nm, respectively. The cytotoxicity effects of Ag@CaO-NPs and Se@CaO-NPs were evaluated on CT26 cells by MTT assay, results displayed that Se@CaO-NPs are less toxic than Ag@CaO-NPs. Also, the photocatalytic capabilities of Ag@CaO-NPs and Se@CaO-NPs were investigated to determine their effectiveness in degrading methylene blue (MB) dye via UVA light exposure. This study demonstrated the effectiveness of <i>Caccinia macrantera</i> plant extract as reducers and stabilizers in green synthesis methods. It highlighted their immense potential in nanoparticle synthesis, paving the way for a greener and more sustainable future in nanotechnology.</p>

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Eco-friendly synthesis of silver and selenium-doped calcium oxide nanoparticles using Caccinia macrantera: investigating cytotoxicity and photocatalytic efficacy

  • 期刊论文

  • 发表日期：

    2025年6月27日

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  • Niloofar Khandan Nasab,
  • Zahra Sabouri,
  • Leila Gholami,
  • Reza Kazemi Oskuee,
  • Majid Darroudi

摘要

In this study, we have successfully synthesized silver-doped calcium oxide nanoparticles (Ag@CaO-NPs (5%) and selenium-doped calcium oxide nanoparticles (Se@CaO-NPs (5%) using Caccinia macrantera extract as stabilizing and reducing agents with an eco-friendly and cost-effective method. Synthesized nanoparticles were surveyed using several analytical techniques, containing UV-Vis, FESEM/EDX, XRD, and FTIR. The outcomes of the UV-Vis approved the successful formation of NPs. The XRD patterns showed that Ag@CaO-NPs and Se@CaO-NPs have crystalline structures with cubic phases. FESEM/PSA images revealed that the synthesized Ag@CaO-NPs and Se@CaO-NPs have spherical shapes with average sizes of 44 and 46 nm, respectively. Also, according to TEM images, Ag@CaO-NPs, and Se@CaO-NPs have a spherical morphology and their average size is about 35.2 nm and 36.9 nm, respectively. The cytotoxicity effects of Ag@CaO-NPs and Se@CaO-NPs were evaluated on CT26 cells by MTT assay, results displayed that Se@CaO-NPs are less toxic than Ag@CaO-NPs. Also, the photocatalytic capabilities of Ag@CaO-NPs and Se@CaO-NPs were investigated to determine their effectiveness in degrading methylene blue (MB) dye via UVA light exposure. This study demonstrated the effectiveness of Caccinia macrantera plant extract as reducers and stabilizers in green synthesis methods. It highlighted their immense potential in nanoparticle synthesis, paving the way for a greener and more sustainable future in nanotechnology.