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September 10, 2025World Journal of Microbiology and BiotechnologyOpen Access

Green synthesis of gamma rays-induced melanin-based bismuth oxide nanoparticles for evaluation of the antibacterial and anti-virulence activities against extra-intestinal pathogenic bacteria

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Authors

AMAmira Y. MahfouzNANermine N. AbedAAAmira S. Abd-EL-Aziz

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Overview

Observational analysis evaluated antibacterial effects of bismuth oxide nanoparticles against extra-intestinal bacteria, suggesting potential in combating drug-resistant infections.

Key Points

  • Bismuth oxide nanoparticles effectively inhibited C. freundii and E. aerogenes, showing strong antibacterial properties.
  • At a concentration of 200 µL, Bi2O3 NPs generated inhibition zones of 35.26 mm and 38.42 mm for C. freundii and E. aerogenes, respectively.
  • The synthesis involved low-dose gamma irradiation, resulting in stable nanoparticles characterized by various techniques including FTIR and TEM.
  • The findings emphasize potential applications of Bi2O3 NPs in medical fields to address antibiotic resistance.

Cite This Study

Mahfouz et al. (2025) studied this question.

synapsesocial.com/papers/68c1d23054b1d3bfb60f7c47https://doi.org/10.1007/s11274-025-04533-1
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