Antibacterial and Photocatalytic Properties of ZnO Nanostructure Decorated Coatings

Given the growing concern over antibiotic resistance, there is an urgent need to explore alternative antibacterial strategies. Metal oxide nanostructures have emerged as a promising option, and in particular, zinc oxide (ZnO) nanostructures have demonstrated strong antifungal and antibacterial prope...

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Bibliographic Details
Published in:Coatings (Basel) 2024-01, Vol.14 (1), p.41
Main Authors: Abou Zeid, Souad, Perez, Anne, Bastide, Stéphane, Le Pivert, Marie, Rossano, Stéphanie, Remita, Hynd, Hautière, Nicolas, Leprince-Wang, Yamin
Format: Article
Language:English
Subjects:
Analysis
Antibacterial agents
Antibiotics
Bacteria
Bacterial infections
Biocompatibility
Biofilms
Cell membranes
Chemical Sciences
Coatings
Drug resistance
Drug resistance in microorganisms
Fungicides
Health aspects
Implants, Artificial
Infections
Metal oxides
Microorganisms
Nanomaterials
Nanoparticles
Nanostructure
Nanowires
Nitrates
Organic chemicals
Photocatalysis
Prosthesis
Pseudomonas putida
Silicon wafers
Ultraviolet radiation
Zinc oxide
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Summary:Given the growing concern over antibiotic resistance, there is an urgent need to explore alternative antibacterial strategies. Metal oxide nanostructures have emerged as a promising option, and in particular, zinc oxide (ZnO) nanostructures have demonstrated strong antifungal and antibacterial properties. This study focuses on ZnO nanowires (ZnO NWs) and their potential as antibacterial agents against Pseudomonas putida, a Gram-negative bacterium. The objective is to investigate the antibacterial mechanisms and assess their efficiency. The unique shape of ZnO NWs, obtained through hydrothermal growth, may rupture bacterial cells and inhibit bacterial growth. In addition to their morphology, the release of Zn2+ ions from ZnO NWs may contribute to their antibacterial properties. These ions have the potential to disrupt the bacterial cell membrane, further impeding bacterial growth. Moreover, ZnO nanostructures exhibit excellent photocatalytic properties under UV light, enhancing their antibacterial effects. Overall, this study highlights the potential of hydrothermally synthesized ZnO NWs in inhibiting P. putida growth and provides valuable insights into their antibacterial mechanisms. The findings suggest that ZnO nanostructures have the potential to be effective antibacterial agents and could be utilized in various settings to fight microbial infections and maintain hygiene.
ISSN:2079-6412
2079-6412
DOI:10.3390/coatings14010041