Results 41 to 50 of about 11,290 (214)

A computational model for predicting changes in infection dynamics due to leakage through N95 respirators

Scientific Reports, 2021
In the absence of fit-testing, leakage of aerosolized pathogens through the gaps between the face and N95 respirators could compromise the effectiveness of the device and increase the risk of infection for the exposed population.
Prasanna Hariharan, Neha Sharma, Suvajyoti Guha, Rupak K. Banerjee, Gavin D’Souza, Matthew R. Myers   +5 more
doaj   +1 more source

Analysis of pressure difference changes in respirator filters while dusting [PDF]

, 2018
Objective is to determine the relation between pressure difference of a filter and parameters of a filtering layer to lengthen the protection period.
Cheberiachko, Serhii, Cheberiachko, Yurii, Yavorska, Olena, Yavorskyi, Andrii, Чеберячко, С. И., Чеберячко, С. І., Чеберячко, Сергей Иванович, Чеберячко, Сергій Іванович, Чеберячко, Ю. И., Чеберячко, Ю. І., Чеберячко, Юрий Иванович, Чеберячко, Юрій Іванович, Яворская, Е. А., Яворская, Елена Александровна, Яворский, А. В., Яворский, Андрей Васильевич, Яворська, О. О., Яворська, Олена Олександрівна, Яворський, А. В., Яворський, Андрій Васильович   +19 more
core   +1 more source

Comparative effectiveness of N95 respirators and surgical/face masks in preventing airborne infections in the era of SARS-CoV2 pandemic: A meta-analysis of randomized trials.

PLoS ONE, 2020
BackgroundRecently, several randomized controlled trials (RCTs) have evaluated the effect of N95 respirators compared with medical masks to protect against acute respiratory infections.
Katarzyna Barycka, Lukasz Szarpak, Krzysztof Jerzy Filipiak, Milosz Jaguszewski, Jacek Smereka, Jerzy Robert Ladny, Oguz Turan   +6 more
doaj   +1 more source

Effectiveness of Ultraviolet-C Light and a High-Level Disinfection Cabinet for Decontamination of N95 Respirators

Pathogens and Immunity, 2020
Background-Shortages of personal protective equipment (PPE) including N95 filtering facepiece respirators is an urgent concern in the setting of the global COVID-19 pandemic.
Jennifer L. Cadnum, Daniel Li, Sarah N. Redmond, Amrita R. John, Basya Pearlmutter, Curtis Donskey   +5 more
doaj   +1 more source

Initial impacts of global risk mitigation measures taken during the combatting of the COVID-19 pandemic [PDF]

, 2020
This paper presents an analysis of risk mitigation measures taken by countries around the world facing the current COVID-19 outbreak. In light of the current pandemic the authors collated and clustered (using harmonised terminology) the risk mitigation ...
Bruinen de Bruin, Yuri, Clevestig, Peter, Colosio, Claudio, Goulart, Margarida, Lequarre, Anne-Sophie, McCourt, Josephine, Pigazzani, Filippo, Zare Jeddi, Maryam   +7 more
core   +3 more sources

MERS-CoV, surgical mask and N95 respirators [PDF]

Singapore Medical Journal, 2014
Dear Sir, The recent article, “Debate on MERS-CoV respiratory precautions: surgical mask or N95 respirators?” by Chung et al(1) is an interesting read. Indeed, the control of this new emerging infection is a topic that is currently under discussion worldwide,(2) and the efficacy of the respiratory protective apparatus is certainly an important issue.
openaire   +2 more sources

Establishment of a fit prediction model of N95 respirator based on facial images

Environmental Health and Preventive Medicine
Background: The protective effectiveness of an N95 respirator depends on the filtration efficiency of the material from which the N95 respirator is made of, as well as the wearers’ facial fit.
Guifang Wang, Changwei Luo, Can Cui, Shengjin Wang, Jing Huang   +4 more
doaj   +1 more source

Protection levels of N95-level respirator substitutes proposed during the COVID-19 pandemic: safety concerns and quantitative evaluation procedures

BMJ Open, 2021
Objective The COVID-19 pandemic has precipitated widespread shortages of filtering facepiece respirators (FFRs) and the creation and sharing of proposed substitutes (novel designs, repurposed materials) with limited testing against regulatory standards ...
Jesse Hu, David H Ballard, Audrey J Dang, Benjamin M Kumfer, Patricia B Weisensee, J Mark Meacham, Alex R Scott, Mary Ruppert-Stroescu, Broc A Burke, Jason Morris, Connie Gan, Bradley King, Udayabhanu Jammalamadaka, Sena Sayood, Stephen Liang, Shruti Choudhary, David Dhanraj, Bruno Maranhao, Christine Millar, J Tyler Bertroche, Nirah Shomer, Pamela K Woodard, Pratim Biswas, Richard Axelbaum, Guy Genin, Brent J Williams, Kathleen Meacham   +26 more
doaj   +1 more source

Filtration Efficiency of Hospital Face Mask Alternatives Available for Use during the COVID-19 Pandemic [PDF]

, 2020
Importance: Procuring respiratory protection for clinicians and other health care workers has become a major challenge of the coronavirus disease 2019 (COVID-19) pandemic and has resulted in nonstandard practices such as the use of expired respirators ...
Bennett, W.D., Berntsen, J., Chen, H., Clapp, P.W., Samet, J.M., Sickbert-Bennett, E.E., Tong, H., Weber, D.J., Zeman, K.L.   +8 more
core   +2 more sources

N95 Respirator Cleaning and Reuse Methods Proposed by the Inventor of the N95 Mask Material [PDF]

The Journal of Emergency Medicine, 2020
There is currently a global shortage of N95 respirators. Many health care workers (HCWs) on the front lines of the battle against COVID-19 are scrambling to resupply or are currently reusing N95, surgical, and homemade masks. I propose methods to clean and reuse N95 masks at little or no cost. N95 masks can be rotated every 3–4 days, heated for 60 min,
Juang, Pascal S.C., Tsai, Peter
openaire   +2 more sources