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October 1, 2025MicroOpen Access

Biogenic TiO2–ZnO Nanocoatings: A Sustainable Strategy for Visible-Light Self-Sterilizing Surfaces in Healthcare

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Authors

AAAli Jabbar Abd Al-Hussain AlkawazMNMaryam Sabah NaserAOAli Jalil Obaid

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Overview

Experimental analysis demonstrates visible-light antibacterial effects in hospital settings, suggesting nanocoatings may reduce infection risk on surfaces.

Key Points

  • The TiO2/ZnO multilayer demonstrated significant antibacterial activity under visible light against pathogens.
  • Inhibition zones reached ~15 mm for S. aureus, highlighting superior efficacy compared to single coatings.
  • Biogenic synthesis of nanoparticles using Bacillus subtilis ensured green fabrication methods critical for healthcare applications.
  • Long-term durability and clinical safety assessments remain necessary before widespread application in hospitals.

Cite This Study

Alkawaz et al. (2025) studied this question.

synapsesocial.com/papers/68dd953bfe798ba2fc4998fdhttps://doi.org/10.3390/micro5040045
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Also Consider

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  1. 1Enhanced Antimicrobial Activity of Biogenic Zinc Oxide (ZnO) Nanoparticles2025