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Silver-coated Zea mays L. nanocatalyst for efficient Azo dye photodegradation and antimicrobial applications.

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Τίτλος: Silver-coated Zea mays L. nanocatalyst for efficient Azo dye photodegradation and antimicrobial applications.
Συγγραφείς: Abd El-Gawad WM; Polymers and Pigments Department, National Research Centre, Dokki, 12622, Cairo, Egypt., Elmaghraby K; Department of Botany and Microbiology, Faculty of Science, Tanta University, Tanta, 31527, Egypt. k.elmaghraby@student.unisi.it.; Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, 53100, Italy. k.elmaghraby@student.unisi.it., El-Khawaga AM; Department of Basic Medical Sciences, Faculty of Medicine, Galala University, Galala City, 43511, Suez, Egypt. ahmed.elkhawaga@gu.edu.eg.
Πηγή: Scientific reports [Sci Rep] 2025 Oct 30; Vol. 15 (1), pp. 37931. Date of Electronic Publication: 2025 Oct 30.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE
Imprint Name(s): Original Publication: London : Nature Publishing Group, copyright 2011-
Ιατρικοί όροι (MeSH): Zea mays*/chemistry , Azo Compounds*/chemistry , Metal Nanoparticles*/chemistry , Metal Nanoparticles*/ultrastructure , Silver*/chemistry , Anti-Infective Agents*/pharmacology , Anti-Infective Agents*/chemistry , Coloring Agents*/chemistry , Photolysis*, Silver Compounds/chemistry ; Oxides/chemistry ; Catalysis
Περίληψη: The increasing environmental issues and anticipated energy crisis highlight the urgent need for a cost-effective and efficient photocatalyst that responds to UV light for contaminant degradation. This work presents a novel approach to synthesizing Zea mays L.-loaded silver oxide nanoparticles (Ag2O) by chemically depositing a thin coating of Ag2O NPs onto the surface of Zea mays L. with two ratios (e.g., 5 & 10%) to form novel cost-effective core-shell Ag₂O/Z nanostructures. To assess morphology, and elemental composition, the synthesized composite was examined using high-resolution transmission electron microscopy (HR-TEM) and scanning electron microscopy (SEM) together with energy dispersive X-ray (EDX) spectroscopy. The effectiveness of 10% Ag2O/Z as a catalyst and adsorbent was evaluated based on several criteria, including pH, beginning concentration of the target dye, and the amount of nanocomposite utilized. Significantly, 0.01 g of 10% Ag2O/Z attained a 95.0% elimination of MB at a solution pH of 9.0 after 120 min. Moreover, the Ag₂O NPs and Ag2O/Z core-shell nanostructures exhibited strong antibacterial effects, with the presence of Ag₂O NPs enhancing their antimicrobial properties and suggesting a synergistic effect with the Zea mays L. matrix against Klebsiella pneumoniae (ATCC:10031), Staphylococcus aureus (ATCC:13565), Bacillus subtilis (DSM:1088), and Candida albicans (ATCC:10231). In summary, Ag2O/Z core-shell nanostructure showed strong antibacterial activity against gram-positive, gram-negative, and fungal pathogens, as well as effective dye removal capabilities, making them a viable agent for industrial and environmental applications.
(© 2025. The Author(s).)
Competing Interests: Competing interests: The authors declare no competing interests.
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Contributed Indexing: Keywords: Antibacterial activity; Azo dye; Core-shell nanocatalyst; Photocatalysis; Zea mays L.
Substance Nomenclature: 0 (Azo Compounds)
3M4G523W1G (Silver)
0 (Silver Compounds)
0 (Anti-Infective Agents)
0 (Oxides)
897WUN6G6T (disilver oxide)
0 (Coloring Agents)
Entry Date(s): Date Created: 20251031 Date Completed: 20251031 Latest Revision: 20251103
Update Code: 20260130
PubMed Central ID: PMC12575801
DOI: 10.1038/s41598-025-22961-9
PMID: 41168428
Βάση Δεδομένων: MEDLINE
Περιγραφή
ISSN:2045-2322
DOI:10.1038/s41598-025-22961-9