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Journals / Turkish Journal of Biology / 2014 / Cilt: 38 - Sayı: 3

Development of durable antimicrobial surfaces containing silver- and zinc-ion-exchanged zeolites

Zeynep Ustaoğlu İYİGÜNDOĞDU
Selami DEMİRCİ
Nurcan BAÇ
Fikrettin ŞAHİN
Pages
420–427
Publication Date
2014-05-16
DOI
—
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

The results indicated that the higher the zeolite concentration present in the composite, the more long-term antimicrobial activity was achieved.

📌 3 Key Takeaways

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Objective & Hypothesis:The present work involves development of stable antimicrobial materials containing silver- and zinc-ion-exchanged zeolites.
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Key Findings & Data:Faujasite X and Linde type A zeolites were synthesized, and following ion exchange with Ag+ and Zn++ ions they were found to exhibit antimicrobial effects against bacteria (E. coli, P. aeruginosa, and S. aureus), yeast (C. albicans and C. glabrata), and fungi (A. niger and P. expansum).
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Conclusion & Impact:The results indicated that the higher the zeolite concentration present in the composite, the more long-term antimicrobial activity was achieved.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Key words: Silver · zinc · zeolite

Abstract

The present work involves development of stable antimicrobial materials containing silver- and zinc-ion-exchanged zeolites. Faujasite X and Linde type A zeolites were synthesized, and following ion exchange with Ag+ and Zn++ ions they were found to exhibit antimicrobial effects against bacteria (E. coli, P. aeruginosa, and S. aureus), yeast (C. albicans and C. glabrata), and fungi (A. niger and P. expansum). Zeolites-X and -A containing silver and zinc ions were then mixed with various coating materials, including paints and polypropylene, to develop antimicrobial composites. The long-term antimicrobial characteristics of zeolite-containing composite materials were investigated by inoculating selected microorganisms onto the surface of the materials. The results indicated that the higher the zeolite concentration present in the composite, the more long-term antimicrobial activity was achieved. Silver-ion-exchanged zeolites were more effective against bacterial and candidal species, while zinc zeolites exhibited noticeable antifungal properties. Materials manufactured with metal-ion-exchanged zeolites would prevent microbial growth on surfaces, reducing cross-contamination and infection risk as well as the microbial degradation of products.

Özet

The present work involves development of stable antimicrobial materials containing silver- and zinc-ion-exchanged zeolites. Faujasite X and Linde type A zeolites were synthesized, and following ion exchange with Ag+ and Zn++ ions they were found to exhibit antimicrobial effects against bacteria (E. coli, P. aeruginosa, and S. aureus), yeast (C. albicans and C. glabrata), and fungi (A. niger and P. expansum). Zeolites-X and -A containing silver and zinc ions were then mixed with various coating materials, including paints and polypropylene, to develop antimicrobial composites. The long-term antimicrobial characteristics of zeolite-containing composite materials were investigated by inoculating selected microorganisms onto the surface of the materials. The results indicated that the higher the zeolite concentration present in the composite, the more long-term antimicrobial activity was achieved. Silver-ion-exchanged zeolites were more effective against bacterial and candidal species, while zinc zeolites exhibited noticeable antifungal properties. Materials manufactured with metal-ion-exchanged zeolites would prevent microbial growth on surfaces, reducing cross-contamination and infection risk as well as the microbial degradation of products.

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Cite This Article

İYİGÜNDOĞDU, Z. U., DEMİRCİ, S., BAÇ, N., ŞAHİN, F. (2014). Development of durable antimicrobial surfaces containing silver- and zinc-ion-exchanged zeolites. Turkish Journal of Biology, Cilt: 38 - Sayı: 3, 420–427. https://ajindex.com/articles/181791

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