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The Antifungal Properties of Super-Hydrophobic Nanoparticles and Essential Oils on Different Material Surfaces

1
Institute of Physics, Slovak Academy of Sciences, Dúbravská cesta 9, Sk-84511 Bratislava, Slovakia
2
Institute of Molecular Biology, Slovak Academy of Sciences, Dúbravská cesta 21, SK-84551 Bratislava, Slovakia
3
Center for Advanced Material Application, Slovak Academy of Sciences, Dúbravská cesta 9, Sk-84511 Bratislava, Slovakia
*
Author to whom correspondence should be addressed.
Coatings 2019, 9(3), 176; https://doi.org/10.3390/coatings9030176
Received: 7 February 2019 / Revised: 27 February 2019 / Accepted: 1 March 2019 / Published: 6 March 2019
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Abstract

This study was undertaken to determine the in vitro antifungal activities of super-hydrophobic nanoparticles (SHNPs), essential oils (EOs), and their mixtures (SHNPs/EOs). We have applied a thin layer of SHNPs in combination with various concentrations of three EOs: Arborvitae (Thuja plicata), Oregano (Origanum vulgare L.), and Thyme (Thymus vulgaris). The mixtures were spread on the surface of different materials: whitewood, sandstone, and paper. The antifungal and protective properties of these SHNP and EO mixtures were evaluated. The parameter Rr (ratio of reflectivity) was determined to identify the color changes of substrates. Digital microscopy was used to measure the colonization area of molds and also their penetration in the analyzed materials. Surprisingly, the use of SHNPs alone showed a balanced compromise in order to inhibit the mold growth on assayed surfaces. View Full-Text
Keywords: super-hydrophobic nanoparticles; essential oils; fungi; antifungal activity; growth inhibition; penetration super-hydrophobic nanoparticles; essential oils; fungi; antifungal activity; growth inhibition; penetration
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Benkovičová, M.; Kisová, Z.; Bučková, M.; Majková, E.; Šiffalovič, P.; Pangallo, D. The Antifungal Properties of Super-Hydrophobic Nanoparticles and Essential Oils on Different Material Surfaces. Coatings 2019, 9, 176.

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