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Abstract

Research in Medical & Engineering Sciences

Protection of Very Small Particles Such as Viruses and Bacteria by Washable and Wearable Z-Nanofiber Sheet Mask

Submission: February 24, 2021;Published: March 08, 2021

DOI: 10.31031/RMES.2021.09.000707

ISSN: 2576-8816
Volume 9 Issue 2

Abstract

The diameter of the COVID-19 virus is considered to be about 50nm to 150nm, and the aerosol diameter containing it by cough about 300nm. Usually, masks are indispensable for preventing both virus spread and inhalation. There are various types of masks from woven to nonwoven fabrics on the market, and the protective effect to virus varies from a few percent to over 99%. In general, the performance of a mask can be represented by the Particle Filtration Efficiency (PFE) and Pressure Drop (PD) similar to an air filter.

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