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The Type of Material and Fabric Layer Amount in COVID-19 Masks Matter Written by AZoMApr 5 2021 A new study by researchers from the Georgia Institute of Technology has found that wearing a face mask can safeguard a person and others from COVID-19, but the kind of material and how many fabric layers are utilized can considerably influence the risk of exposure. Graduate student Taekyu Joo setting up the filtration efficiency measurement system. Image Credit: Fobang Liu, Georgia University of Technology. The study quantified the submicron particles’ filtration efficiency of passing through a range of different materials. By comparison, a strand of human hair measures around 50 μm in diameter, and 1 mm is equal to 1000 μm. ....
Covid-19 mask study finds layering, material choice matter eurekalert.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from eurekalert.org Daily Mail and Mail on Sunday newspapers.
E-Mail IMAGE: Georgia Tech researcher Jean C. Rivera-Rios obtains air samples from an office on the campus of the Georgia Institute of Technology. view more Credit: John Toon, Georgia Tech If you re looking for an indoor space with a low level of particulate air pollution, a commercial airliner flying at cruising altitude may be your best option. A newly reported study of air quality in indoor spaces such as stores, restaurants, offices, public transportation and commercial jets shows aircraft cabins with the lowest levels of tiny aerosol particles. Conducted in July 2020, the study included monitoring both the number of particles and their total mass across a broad range of indoor locations, including 19 commercial flights in which measurements took place throughout departure and arrival terminals, the boarding process, taxiing, climbing, cruising, descent, and deplaning. The monitoring could not identify the types of the particles and therefor ....