Author: Eugenia O'Kelly; Sophia Pirog; James Ward; P John Clarkson
Title: Informing Homemade Emergency Facemask Design: The Ability of Common Fabrics to Filter Ultrafine Particles Document date: 2020_4_17
ID: 51thatw6_6
Snippet: Traditional in-hospital masks are intended to be used only once; however the CDC is currently encouraging individuals to reuse masks if possible [5] . This increases the risk of infection if the user comes in contact with the outside of a contaminated mask or if the mask material becomes too damp to be optimally effective. To reduce this inherent risk, we chose washable materials which could withstand hot water washing and/or hot cycle drying. In.....
Document: Traditional in-hospital masks are intended to be used only once; however the CDC is currently encouraging individuals to reuse masks if possible [5] . This increases the risk of infection if the user comes in contact with the outside of a contaminated mask or if the mask material becomes too damp to be optimally effective. To reduce this inherent risk, we chose washable materials which could withstand hot water washing and/or hot cycle drying. In addition, as normal respiration generates moisture which can reduce the filtration efficiency of face masks, a selection of materials were tested in both damp and dry states to assess their changes in efficiency.
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