Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Tatzber, F; Resch, U; Lindschinger, M; Cvirn, G; Wonisch, W.
Improved protection of filtering facepiece through inactivation of pathogens by hypertonic salt solutions - A possible COVID-19 prevention device.
Prev Med Rep. 2020; 20: 101270-101270.
Doi: 10.1016/j.pmedr.2020.101270
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- Führende Autor*innen der Med Uni Graz
- Tatzber Franz
- Wonisch Willibald
- Co-Autor*innen der Med Uni Graz
- Cvirn Gerhard
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- Abstract:
- The filtering facepiece operates through filtration without the ability to kill the viruses. If the filtration might be combined with antiviral agents simultaneously in the masks, this would be much more efficient during the use of these masks and against cross-infection after being discarded. For centuries, sodium chloride (NaCl) contributes to inhibiting pathogens on various occasions. If aerosol with infectious agents reaches the filtering face-piecé surface of the filtering face-piece, coated with hypertonic saline, they become attracted by hygroscopic salt crystals. Proteins and nucleic acids lose their structural integrity and become inactivated concerning their infectious properties. We provide further evidence for cell growth inhibition with hypertonic saline in yeast cells comprising a defending cell wall. Proliferation was inhibited in a concentration-dependent manner, i.e., above 50 g/L, yeast cell proliferation was completely blocked. At a NaCl concentration of 100 g/L, even decomposition of the original inoculated organisms was observed. Therefore, we conclude that hypertonic saline- coated filtering facepiece might strongly reduce the numbers of infectious particles on their surfaces and thus protect mask carriers efficiently from infections. © 2020 The Authors. Published by Elsevier Inc.
- Find related publications in this database (Keywords)
- Filtering facepiece
- Hypertonic saline
- COVID-19
- Protection