What to Wear: The Filtration Performance of Alternative Materials Used to Construct Do-It-Yourself Masks Article Swipe
Jessica A. Mirrielees
,
Bo Chen
,
Michael R. Moreno
,
Sarah D. Brooks
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.4209/aaqr.200633
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.4209/aaqr.200633
The COVID-19 pandemic has shown that much of the world, including the United States, is ill-prepared for the material demands of a global crisis. In response to this shortage of Personal Protective Equipment (PPE), we have conducted filtration efficiency and pressure drop testing of a range of common materials used for constructing do-it-yourself masks, including an allergen filter, a vacuum bag, a heavy-duty tool wipe, and a standard cotton bandana, as well as a standard 3-ply surgical mask, a medical drape and an industrially available composite filter material. Size-resolved percent penetration of each material by particles with diameters ranging from 25 to 500 nm was measured at three face velocities (0.72 cm s−1, 4.30 cm s−1, 13.0 cm s−1). The allergen filter performed best, only allowing the penetration of 5% ± 3% of the 300 nm particles through the material at a face velocity of 13.0 cm s−1, comparable to human breathing during heavy physical work. In comparison, the surgical mask and the cotton bandana allowed 39 ± 1% and 51% ± 1% of the 300 nm particles to pass through at the same face velocity, respectively. According to the calculated filter quality, the best choices for mask construction are the allergen filter, industrial composite filter, and the vacuum bag. Structure and morphology of the materials were characterized by scanning electron microscopy (SEM), image analysis, and thickness measurements to investigate physical characteristics which improve filtration. This study shows that certain household and commercially available materials and combinations can be used in the construction of highly effective face masks.
Related Topics
Concepts
Materials science
Filtration (mathematics)
Respirator
Filter (signal processing)
Economic shortage
Pressure drop
Composite material
Nanotechnology
Process engineering
Computer science
Mechanics
Engineering
Physics
Computer vision
Linguistics
Statistics
Philosophy
Government (linguistics)
Mathematics
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.4209/aaqr.200633
- https://aaqr.org/articles/aaqr-20-11-covid-0633.pdf
- OA Status
- gold
- Cited By
- 1
- References
- 56
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3156834694
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3156834694Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.4209/aaqr.200633Digital Object Identifier
- Title
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What to Wear: The Filtration Performance of Alternative Materials Used to Construct Do-It-Yourself MasksWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2021Year of publication
- Publication date
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2021-01-01Full publication date if available
- Authors
-
Jessica A. Mirrielees, Bo Chen, Michael R. Moreno, Sarah D. BrooksList of authors in order
- Landing page
-
https://doi.org/10.4209/aaqr.200633Publisher landing page
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https://aaqr.org/articles/aaqr-20-11-covid-0633.pdfDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
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https://aaqr.org/articles/aaqr-20-11-covid-0633.pdfDirect OA link when available
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Materials science, Filtration (mathematics), Respirator, Filter (signal processing), Economic shortage, Pressure drop, Composite material, Nanotechnology, Process engineering, Computer science, Mechanics, Engineering, Physics, Computer vision, Linguistics, Statistics, Philosophy, Government (linguistics), MathematicsTop concepts (fields/topics) attached by OpenAlex
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1Total citation count in OpenAlex
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2023: 1Per-year citation counts (last 5 years)
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56Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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| primary_location.source.display_name | Aerosol and Air Quality Research |
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| primary_location.source.host_organization_name | Taiwan Association for Aerosol Research |
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| primary_location.source.host_organization_lineage_names | Taiwan Association for Aerosol Research |
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| primary_location.pdf_url | https://aaqr.org/articles/aaqr-20-11-covid-0633.pdf |
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| primary_location.raw_type | journal-article |
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| primary_location.raw_source_name | Aerosol and Air Quality Research |
| primary_location.landing_page_url | https://doi.org/10.4209/aaqr.200633 |
| publication_date | 2021-01-01 |
| publication_year | 2021 |
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