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. 2021 Feb 3;11:2977. doi: 10.1038/s41598-021-82608-3

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Immunochemistry results collected on MDCK cells infected with Influenza A H1N1 virus at room temperature (R.T.) and at 4 °C in (a) and (b), respectively. Data are plotted (with statistical validation) in logarithmic scale as PFU counts and virus reduction rate as a function of virus exposure time to 15 wt.% Si₃N₄ in aqueous solution. Control samples refer to virions embedded for the same time in aqueous environment in absence of the Si₃N₄ powder.