In a recent study published in PNAS, researchers characterized the wettability of fibrous layers of N95 respirators or face masks using contact angle (CA) goniometers. Fluid mobility is ubiquitous in ...

Health experts have determined that face coverings are a vital tool in reducing the spread of coronavirus -- but little research has been done into how different kinds of masks compare. A new study ...

Wearing of masks has become mandatory in many states Researchers ranked which among the common masks are the most to least effective N95 masks are still the most effective at curbing the spread of the ...