A new study examines the efficacy of particle filtration by woven fabric, which consists of fibers twisted together into yarns. There are, therefore, two lengthscales: the diameters of the fiber and ...

Every day, N95, KN95, KF94, and surgical face masks protect millions of people from smoke, dust, and other particulates, as well as germs that can cause serious illness. These masks act like a bouncer ...

Breathing polluted air in Indian cities is a serious concern. Choosing the right mask is crucial for protection. N95, KN95, and FFP2 respirators are recommended for their high filtration and snug fit.

WASHINGTON, March 1, 2022 -- Like many other viruses, COVID-19 is transmitted primarily via particles carried in the air. An infected person breathes out particles containing the virus into the air, ...

Face masks have been widely used throughout the COVID-19 pandemic to protect people from catching the virus. Researchers discovered certain double masking combinations and fit modifications offer ...

WASHINGTON, May 3 2022 – In its updated guidance at the start of 2022, the U.S. Centers for Disease Control and Prevention said loosely woven cloth masks offer the least protection against COVID-19, ...

As the UK lifts the legal requirement for face masks in most indoor public areas in England, new research from the University of Surrey and the University of Bristol has shown that FFP2 (filtering ...

1. Rozhin Hajian, Assistant Professor, Mechanical and Industrial Engineering, UMass Lowell Lowell 2. Jay Hoon Park, Assistant Professor, Plastics Engineering, UMass Lowell Lowell Abstract: This thesis ...