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Role of Copper Ions in Resistance of Modern Polymer Composite Materials to Fungal Damage
- Authors: Yakovleva G.Y.1, Katsyuruba E.A.1, Fufygina E.S.1, Danilaev M.P.2, Ilyinskaya O.N.1
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Affiliations:
- Kazan (Volga Region) Federal University
- Tupolev Kazan National Technical Research University
- Issue: Vol 93, No 2 (2024)
- Pages: 234-238
- Section: SHORT COMMUNICATIONS
- URL: https://jdigitaldiagnostics.com/0026-3656/article/view/655142
- DOI: https://doi.org/10.31857/S0026365624020254
- ID: 655142
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Abstract
Resistance of polymer composite materials to biodamage is one of the pressing problems of our time. Incorporation of Cu2O (I) in the composition of a polymer composite based on the ED-20 epoxy resin increases its biocidal properties. Under conditions of mineral and organic contamination, the area of the samples affected by micromycetes was found to decrease with increasing concentration of dispersed particles in the composite. The affected area of the samples filled with the particles encapsulated in polylactide was 1.5 times smaller than that of the composites filled with non-encapsulated particles. Сopper oxide had a toxic effect on the Aspergillus niger strain dominant on the surface of the samples, causing a decrease in the average radial growth rate on the Czapek-Dox agar medium and in the biomass weight concentration during the growth of micromycetes in a liquid medium compared to the variant without Cu2O.
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About the authors
G. Yu. Yakovleva
Kazan (Volga Region) Federal University
Author for correspondence.
Email: yakovleva_galina@mail.ru
Russian Federation, Kazan, 420008
E. A. Katsyuruba
Kazan (Volga Region) Federal University
Email: yakovleva_galina@mail.ru
Russian Federation, Kazan, 420008
E. S. Fufygina
Kazan (Volga Region) Federal University
Email: yakovleva_galina@mail.ru
Russian Federation, Kazan, 420008
M. P. Danilaev
Tupolev Kazan National Technical Research University
Email: yakovleva_galina@mail.ru
Russian Federation, Kazan, 420011
O. N. Ilyinskaya
Kazan (Volga Region) Federal University
Email: yakovleva_galina@mail.ru
Russian Federation, Kazan, 420008
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