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Antifungal Effect of Titanium Dioxide, Indoor Light and the Photocatalytic Process in In Vitro Test on Different Media

  • Agata Markowska-Szczupak EMAIL logo , Krzysztof Ulfig and Antoni W. Morawski
Published/Copyright: November 30, 2016
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Abstract

The goal of the study was to examine the influence of TiO2, indoor light and the photocatalytic process on the growth of Penicillium chrysogenum strains. An agar plate method with four fungal media (SGA, CYA, MEA, PDA) was used. The daily growth rates (mm × day-1) were calculated from the linear regression equation. In comparison to controls the TiO2 addition to the media mostly inhibited fungal growth in the dark. The indoor light mostly decreased fungal daily growth rates both in controls and in media supplemented with TiO2. The TiO2 photocatalytic activity was observed for one strain on MEA (5 g TiO2 × dm-3) and CYA (20 g TiO2 × dm-3) and for another one on SGA (5 g TiO2 × dm-3). The effects of TiO2, light and photocatalytic reaction on fungal growth were found to be strain- and medium-dependent.

Received: 2011-8-3
Revised: 2011-11-4
Accepted: 2011-11-15
Published Online: 2016-11-30
Published in Print: 2012-1-1

© 2016 by Walter de Gruyter Berlin/Boston

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