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10.1371/journal.pone.0240285 http://scihub22266oqcxt.onion/10.1371/journal.pone.0240285 33057355!7561133!33057355     free     free     free Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       PLoS+One 2020 ; 15 (10): e0240285 Nephropedia Template TP {{tp|p=33057355|t=2020. Selection of homemade mask materials for preventing transmission of COVID-19: A laboratory study |pdf=|usr=}}{{33057355}} gab.com Text Selection of homemade mask materials for preventing transmission of COVID-19: A laboratory study JO: PLoS One http://www.kidney.de/pget.php?&tw=1&pmid=33057355 #FOAvip The Coronavirus Disease 2019 (COVID-19) has swept the whole world with high mortality. Since droplet transmission is the main route of transmission, wearing a mask serves as a crucial preventive measure. However, the virus has spread quite quickly, causing severe mask shortage. Finding alternative materials for homemade masks while ensuring the significant performance indicators will help alleviate the shortage of masks. Referring to the national standard for the "Surgical Mask" of China, 17 materials to be selected for homemade masks were tested in four key indicators: pressure difference, particle filtration efficiency, bacterial filtration efficiency and resistance to surface wetting. Eleven single-layer materials met the standard of pressure difference (</=49 Pa), of which 3 met the standard of resistance to surface wetting (>/=3), 1 met the standard of particle filtration efficiency (>/=30%), but none met the standard of bacterial filtration efficiency (>/=95%). Based on the testing results of single-layer materials, fifteen combinations of paired materials were tested. The results showed that three double-layer materials including double-layer medical non-woven fabric, medical non-woven fabric plus non-woven shopping bag, and medical non-woven fabric plus granular tea towel could meet all the standards of pressure difference, particle filtration efficiency, and resistance to surface wetting, and were close to the standard of the bacterial filtration efficiency. In conclusion, if resources are severely lacking and medical masks cannot be obtained, homemade masks using available materials, based on the results of this study, can minimize the chance of infection to the maximum extent. Twit Text FOAVip Selection of homemade mask materials for preventing transmission of COVID-19: A laboratory study ????PLoS One http://www.kidney.de/pget.php?&tw=1&pmid=33057355 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=33057355 #FOAvip English Wikipedia <ref>{{Cite pmid|33057355}}</ref> Selection of homemade mask materials for preventing transmission of COVID-19: A laboratory study #MMPMID33057355 Wang D; You Y; Zhou X; Zong Z; Huang H; Zhang H; Yong X; Cheng Y; Yang L; Guo Q; Long Y; Liu Y; Huang J; Du L PLoS One 2020[]; 15 (10): e0240285 PMID33057355show ga The Coronavirus Disease 2019 (COVID-19) has swept the whole world with high mortality. Since droplet transmission is the main route of transmission, wearing a mask serves as a crucial preventive measure. However, the virus has spread quite quickly, causing severe mask shortage. Finding alternative materials for homemade masks while ensuring the significant performance indicators will help alleviate the shortage of masks. Referring to the national standard for the "Surgical Mask" of China, 17 materials to be selected for homemade masks were tested in four key indicators: pressure difference, particle filtration efficiency, bacterial filtration efficiency and resistance to surface wetting. Eleven single-layer materials met the standard of pressure difference (/=3), 1 met the standard of particle filtration efficiency (>/=30%), but none met the standard of bacterial filtration efficiency (>/=95%). Based on the testing results of single-layer materials, fifteen combinations of paired materials were tested. The results showed that three double-layer materials including double-layer medical non-woven fabric, medical non-woven fabric plus non-woven shopping bag, and medical non-woven fabric plus granular tea towel could meet all the standards of pressure difference, particle filtration efficiency, and resistance to surface wetting, and were close to the standard of the bacterial filtration efficiency. In conclusion, if resources are severely lacking and medical masks cannot be obtained, homemade masks using available materials, based on the results of this study, can minimize the chance of infection to the maximum extent. |COVID-19[MESH] |Coronavirus Infections/*prevention & control/transmission[MESH] |Disease Transmission, Infectious/*prevention & control[MESH] |Filtration/standards[MESH] |Humans[MESH] |Masks/adverse effects/*standards[MESH] |Pandemics/*prevention & control[MESH] |Personal Protective Equipment/adverse effects/*standards[MESH] |Pneumonia, Viral/*prevention & control/transmission[MESH]Selection of homemade mask materials for preventing transmission of CO(epmc).pdf DeepDyve Pubget Overpricing