PREPARATION OF SILVER NANOPARTICLES – NATURAL ZEOLITE COMPOSITE AND STUDY OF ITS ANTIBACTERIAL PROPERTIES
O. Ts. Gemishev, M. I. Panayotova, N. A. Mirdzveli, V. T. Panayotov
Strony: 55-64
Opublikowano: 12 Sep 2020
Wyświetlenia: 1,712
Pobrania: 180
Citations: 2 (Google Scholar)
Citations: 1 (OpenAlex)
Streszczenie: Composite consisting of natural zeolite and silver nanoparticles (AgNPs-zeolite) has been synthesized by ion exchange followed by a thermal treatment. The prepared material is characterized by BET, EDX, TEM and XPS. The antibacterial activity of the synthesized material has been studied against Е. coli. Results on the influence of the material's doze and treatment time on the antimicrobial action of the composite are presented. The minimum inhibitory concentration is 10 mg AgNPs-zeolite/mL of culture medium containing E. coli (105 CFU/mL). Bactericidal activity has been observed after 300 minutes of treatment. The bactericidal action of the synthesized nanocomposite against E. coli is maintained after three repeated re-inoculations, and after the third inoculation it is 99.9%. Possible mechanism of the observed antimicrobial action is briefly discussed.
Słowa kluczowe: silver nanoparticles zeolite nanocomposite, antibacterial activity, escherichia coli
Cytowanie artykułu: O. Ts. Gemishev, M. I. Panayotova, N. A. Mirdzveli, V. T. Panayotov. PREPARATION OF SILVER NANOPARTICLES – NATURAL ZEOLITE COMPOSITE AND STUDY OF ITS ANTIBACTERIAL PROPERTIES. Journal of International Scientific Publications: Ecology & Safety 14, 55-64 (2020). https://www.scientific-publications.net/en/article/1002036/
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