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<p>Leaf extract of <i>Salvadora persica</i> L. was used for the green synthesis of pure and cadmium-doped cerium oxide nanoparticles (Cd-CeO₂-NPs). The nanoparticles were characterized using Raman spectroscopy, X-ray diffraction (XRD), Field emission scanning electron microscopy (FESEM), Energy dispersive X-ray spectroscopy (EDX), and UV-Visible spectroscopy. XRD, UV-Vis, and EDX analyses confirmed the successful incorporation of cadmium into the CeO₂ lattice. FESEM revealed that the synthesized nanoparticles were spherical with a size range of 10–20&#xa0;nm ± 2&#xa0;nm. The photocatalytic activity of the nanoparticles was evaluated by the degradation of Rhodamine B (RhB) dye under UV-A light. The results showed photodegradation efficiencies of 71.49% ± 1.50% and 87.47% ± 1.80% for pure CeO₂-NPs and Cd-CeO₂-NPs, respectively (<i>n</i> = 3). Cytotoxicity assessment against MCF-7 breast cancer cells indicated that CeO₂-NPs exhibited a greater inhibitory effect than Cd-CeO₂-NPs.</p>

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Bio-Inspired Cadmium-Doped Cerium Oxide Nanoparticles and Evaluation of their Photocatalysis and Cytotoxicity Effects

  • 期刊论文

  • 发表日期：

    2026年5月28日

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  • Ali Abdalameer Jaythoom AL-Abedi,
  • Sana Basim Mohammed,
  • Maryam Mohammed Jebur,
  • Walid Theib Mohammad,
  • Abduladheem AL-Attabi,
  • Ghadah Ali Al-Oudah,
  • Alabbas Abdulkareem Majeed

摘要

Leaf extract of Salvadora persica L. was used for the green synthesis of pure and cadmium-doped cerium oxide nanoparticles (Cd-CeO₂-NPs). The nanoparticles were characterized using Raman spectroscopy, X-ray diffraction (XRD), Field emission scanning electron microscopy (FESEM), Energy dispersive X-ray spectroscopy (EDX), and UV-Visible spectroscopy. XRD, UV-Vis, and EDX analyses confirmed the successful incorporation of cadmium into the CeO₂ lattice. FESEM revealed that the synthesized nanoparticles were spherical with a size range of 10–20 nm ± 2 nm. The photocatalytic activity of the nanoparticles was evaluated by the degradation of Rhodamine B (RhB) dye under UV-A light. The results showed photodegradation efficiencies of 71.49% ± 1.50% and 87.47% ± 1.80% for pure CeO₂-NPs and Cd-CeO₂-NPs, respectively (n = 3). Cytotoxicity assessment against MCF-7 breast cancer cells indicated that CeO₂-NPs exhibited a greater inhibitory effect than Cd-CeO₂-NPs.