Antifungal Activity of Submicrometer Particles of Complex Metal Oxides with Photocatalytic Activity

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Abstract

Antifungal activity of newly synthesized submicrometer particles of the CsTeMoO6 complex metal oxide was studied. They were found to inhibit spore germination of active micromycete degraders of industrial materials both in the dark and under illumination. Illumination increased the fungicidal activity of the studied compounds due to their photocatalytic activity. This is the first report on production of micromycete-resistant compositions of a number of polymers containing the complex metal oxides CsTeMoO6 and RbTe1.5W0.5O6. Upon addition of the studied complex oxides into the composition of the previously micromycete-sensitive materials, the latter were found to exhibit micromycete resistance both in the dark and under illumination. Treatment with light resulted in a more pronounced antifungal effect.

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About the authors

A. Y. Shishkin

National Research Lobachevsky State University of Nizhni Novgorod

Author for correspondence.
Email: biodeg@mail.ru
Russian Federation, Nizhni Novgorod, 603022

V. F. Smirnov

National Research Lobachevsky State University of Nizhni Novgorod

Email: biodeg@mail.ru
Russian Federation, Nizhni Novgorod, 603022

I. A. Shalaginova

Kargin Scientific Research Institute of Chemistry and Technology of Polymers with a Pilot-Production Plant

Email: biodeg@mail.ru
Russian Federation, Dzerzhinsk, 606000

P. V. Kornienko

Kargin Scientific Research Institute of Chemistry and Technology of Polymers with a Pilot-Production Plant

Email: biodeg@mail.ru
Russian Federation, Dzerzhinsk, 606000

O. N. Smirnova

National Research Lobachevsky State University of Nizhni Novgorod

Email: biodeg@mail.ru
Russian Federation, Nizhni Novgorod, 603022

N. A. Anikina

National Research Lobachevsky State University of Nizhni Novgorod

Email: biodeg@mail.ru
Russian Federation, Nizhni Novgorod, 603022

A. V. Koryagin

National Research Lobachevsky State University of Nizhni Novgorod

Email: biodeg@mail.ru
Russian Federation, Nizhni Novgorod, 603022

E. V. Suleimanov

National Research Lobachevsky State University of Nizhni Novgorod

Email: biodeg@mail.ru
Russian Federation, Nizhni Novgorod, 603022

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Supplementary files

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2. Fig. 1. Survival of P. chrysogenum and A. niger fungal spores in the presence of CsTeMoO6 (a) and RbTe1.5W0.5O6 (b) in dark conditions (T) and when exposed to a light source (C) in % relative to control.

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