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10.1089/jamp.2020.1635 http://scihub22266oqcxt.onion/10.1089/jamp.2020.1635 32975460!ä!32975460 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       J+Aerosol+Med+Pulm+Drug+Deliv 2021 ; 34 (1): 11-19 Nephropedia Template TP {{tp|p=32975460|t=2021. Community Masks During the SARS-CoV-2 Pandemic: Filtration Efficacy and Air Resistance |pdf=|usr=}}{{32975460}} gab.com Text Community Masks During the SARS-CoV-2 Pandemic: Filtration Efficacy and Air Resistance JO: J Aerosol Med Pulm Drug Deliv http://www.kidney.de/pget.php?&tw=1&pmid=32975460 #FOAvip Background: Many countries have introduced a compulsory use of community masks for certain public areas during the SARS-CoV-2 pandemic. Different manufacturers offer reusable community masks in large quantities. The efficacy of these masks, however, is unknown. Method: We tested available community masks of major manufactures and determined the filtration efficacy using radioactive aerosol particles as well as air resistance with a vacuum measurement. Results: Filtration efficacy of the tested reusable community masks ranged from 34.9% +/- 1.25% to 88.7% +/- 1.18%. Air resistance ranged from 4.3 +/- 0.06 to 122.4 +/- 0.12 Pa/cm(2). There was a good correlation between filtration efficacy and air resistance (Pearson correlation 0.938, p < 0.0001). Conclusions: Filtration efficacy and air resistance differ significantly between the different community masks, but the two measurements correlate well with each other within the entire test series. For optimal protection, one should select a rather airtight mask. When selecting a mask, the highest level of tolerable air resistance can be used as a selection criterion. Twit Text FOAVip Community Masks During the SARS-CoV-2 Pandemic: Filtration Efficacy and Air Resistance ????J Aerosol Med Pulm Drug Deliv http://www.kidney.de/pget.php?&tw=1&pmid=32975460 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=32975460 #FOAvip English Wikipedia <ref>{{Cite pmid|32975460}}</ref> Community Masks During the SARS-CoV-2 Pandemic: Filtration Efficacy and Air Resistance #MMPMID32975460 Maurer L; Peris D; Kerl J; Guenther F; Koehler D; Dellweg D J Aerosol Med Pulm Drug Deliv 2021[Feb]; 34 (1): 11-19 PMID32975460show ga Background: Many countries have introduced a compulsory use of community masks for certain public areas during the SARS-CoV-2 pandemic. Different manufacturers offer reusable community masks in large quantities. The efficacy of these masks, however, is unknown. Method: We tested available community masks of major manufactures and determined the filtration efficacy using radioactive aerosol particles as well as air resistance with a vacuum measurement. Results: Filtration efficacy of the tested reusable community masks ranged from 34.9% +/- 1.25% to 88.7% +/- 1.18%. Air resistance ranged from 4.3 +/- 0.06 to 122.4 +/- 0.12 Pa/cm(2). There was a good correlation between filtration efficacy and air resistance (Pearson correlation 0.938, p < 0.0001). Conclusions: Filtration efficacy and air resistance differ significantly between the different community masks, but the two measurements correlate well with each other within the entire test series. For optimal protection, one should select a rather airtight mask. When selecting a mask, the highest level of tolerable air resistance can be used as a selection criterion. |*Masks[MESH] |*SARS-CoV-2[MESH] |Aerosols[MESH] |COVID-19/*prevention & control[MESH] |Filtration[MESH]Community Masks During the SARS-CoV-2 Pandemic: Filtration Efficacy an(epmc).pdf DeepDyve Pubget Overpricing