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<p>In this study, polyvinyl alcohol (PVA)/g-C<sub>3</sub>N<sub>4</sub>/FeWO<sub>4</sub> nanofibres (PFG NFs) were synthesized via the electrospinning method, while bare materials were prepared using the hydrothermal method. These nanofibres were explored for their photocatalytic efficiency, antibacterial activity, and biocompatibility. The PFG NFs was characterized by X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FESEM) with elemental mapping, and energy-dispersive X-ray spectroscopy (EDS). The photocatalytic performance was evaluated through the degradation of Reactive Black 5 (RB5) dye under solar light irradiation, achieving approximately 90% degradation in 100&#xa0;min. Additionally, the antibacterial efficacy was assessed against <i>Escherichia coli</i> (<i>E.coli</i>) and <i>Staphylococcus aureus</i> (<i>S.aureus</i>), showing inhibition zones of 18&#xa0;mm and 20&#xa0;mm, respectively. Biocompatibility assessments using a zebrafish model revealed that the nanofibres exhibited good biocompatibility, with an applicable survival rate of 85%. These results indicate that the PFG NFs are promising candidates for environmental remediation, antibacterial applications, and biocompatibility-safe implementation.</p>

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Electrospun PVA/g-C3N4/FeWO4 Nanofibers as a Multifunctional Platform for RB5 Dye Degradation, Antibacterial Activity and Zebrafish Embryo Biocompatibility

  • 期刊论文

  • 发表日期：

    2025年5月14日

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  • Elango Visithira,
  • Rajendran Ranjith,
  • Ramasamy Govarthini,
  • Shaik Althaf Hussain,
  • Mohammed Rafi Shaik,
  • Karmegam Dhanabalan,
  • Tae Hwan Oh,
  • Arumugam Priyadharsan

摘要

In this study, polyvinyl alcohol (PVA)/g-C3N4/FeWO4 nanofibres (PFG NFs) were synthesized via the electrospinning method, while bare materials were prepared using the hydrothermal method. These nanofibres were explored for their photocatalytic efficiency, antibacterial activity, and biocompatibility. The PFG NFs was characterized by X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FESEM) with elemental mapping, and energy-dispersive X-ray spectroscopy (EDS). The photocatalytic performance was evaluated through the degradation of Reactive Black 5 (RB5) dye under solar light irradiation, achieving approximately 90% degradation in 100 min. Additionally, the antibacterial efficacy was assessed against Escherichia coli (E.coli) and Staphylococcus aureus (S.aureus), showing inhibition zones of 18 mm and 20 mm, respectively. Biocompatibility assessments using a zebrafish model revealed that the nanofibres exhibited good biocompatibility, with an applicable survival rate of 85%. These results indicate that the PFG NFs are promising candidates for environmental remediation, antibacterial applications, and biocompatibility-safe implementation.