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10.3390/ijerph18041942 http://scihub22266oqcxt.onion/10.3390/ijerph18041942 33671300!7922468!33671300     free     free     free Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Int+J+Environ+Res+Public+Health 2021 ; 18 (4): ä Nephropedia Template TP {{tp|p=33671300|t=2021. Experimental Efficacy of the Face Shield and the Mask against Emitted and Potentially Received Particles |pdf=|usr=}}{{33671300}} gab.com Text Experimental Efficacy of the Face Shield and the Mask against Emitted and Potentially Received Particles JO: Int J Environ Res Public Health http://www.kidney.de/pget.php?&tw=1&pmid=33671300 #FOAvip There is currently not sufficient evidence to support the effectiveness of face shields for source control. In order to evaluate the comparative barrier performance effect of face masks and face shields, we used an aerosol generator and a particle counter to evaluate the performance of the various devices in comparable situations. We tested different configurations in an experimental setup with manikin heads wearing masks (surgical type I), face shields (22.5 cm high with overhang under the chin of 7 cm and circumference of 35 cm) on an emitter or a receiver manikin head, or both. The manikins were face to face, 25 cm apart, with an intense particle emission (52.5 L/min) for 30 s. The particle counter calculated the total cumulative particles aspirated on a volume of 1.416 L In our experimental conditions, when the receiver alone wore a protection, the face shield was more effective (reduction factor = 54.8%), while reduction was lower with a mask (reduction factor = 21.8%) (p = 0.002). The wearing of a protective device by the emitter alone reduced the level of received particles by 96.8% for both the mask and face shield (p = NS). When both the emitter and receiver manikin heads wore a face shield, the protection allowed for better results in our experimental conditions: 98% reduction for the face shields versus 97.3% for the masks (p = 0.01). Face shields offered an even better barrier effect than the mask against small inhaled particles (<0.3 microm-0.3 to 0.5 microm-0.5 to 1 microm) in all configurations. Therefore, it would be interesting to include face shields as used in our experimental study as part of strategies to reduce transmission within the community setting. Twit Text FOAVip Experimental Efficacy of the Face Shield and the Mask against Emitted and Potentially Received Particles ????Int J Environ Res Public Health http://www.kidney.de/pget.php?&tw=1&pmid=33671300 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=33671300 #FOAvip English Wikipedia <ref>{{Cite pmid|33671300}}</ref> Experimental Efficacy of the Face Shield and the Mask against Emitted and Potentially Received Particles #MMPMID33671300 Wendling JM; Fabacher T; Pebay PP; Cosperec I; Rochoy M Int J Environ Res Public Health 2021[Feb]; 18 (4): ä PMID33671300show ga There is currently not sufficient evidence to support the effectiveness of face shields for source control. In order to evaluate the comparative barrier performance effect of face masks and face shields, we used an aerosol generator and a particle counter to evaluate the performance of the various devices in comparable situations. We tested different configurations in an experimental setup with manikin heads wearing masks (surgical type I), face shields (22.5 cm high with overhang under the chin of 7 cm and circumference of 35 cm) on an emitter or a receiver manikin head, or both. The manikins were face to face, 25 cm apart, with an intense particle emission (52.5 L/min) for 30 s. The particle counter calculated the total cumulative particles aspirated on a volume of 1.416 L In our experimental conditions, when the receiver alone wore a protection, the face shield was more effective (reduction factor = 54.8%), while reduction was lower with a mask (reduction factor = 21.8%) (p = 0.002). The wearing of a protective device by the emitter alone reduced the level of received particles by 96.8% for both the mask and face shield (p = NS). When both the emitter and receiver manikin heads wore a face shield, the protection allowed for better results in our experimental conditions: 98% reduction for the face shields versus 97.3% for the masks (p = 0.01). Face shields offered an even better barrier effect than the mask against small inhaled particles (<0.3 microm-0.3 to 0.5 microm-0.5 to 1 microm) in all configurations. Therefore, it would be interesting to include face shields as used in our experimental study as part of strategies to reduce transmission within the community setting. |*COVID-19[MESH] |*Masks[MESH] |*Personal Protective Equipment[MESH] |Aerosols[MESH] |Communicable Disease Control/*instrumentation[MESH] |Humans[MESH]Experimental Efficacy of the Face Shield and the Mask against Emitted (epmc).pdf DeepDyve Pubget Overpricing