One common concern about cloth face masks is the level of filtration they provide. The fabric’s mesh is often too open to filter out smaller particles such as smoke, dust, or viruses. A popular ...

Researchers have developed a membrane that can be attached to a regular N95 mask and replaced when needed. The filter has a smaller pore size than normal N95 masks, potentially blocking more virus ...

Editor’s note: As we will report below, experts agree that face masks with filters — and without — do not replace or relieve the need to wash your hands and practice safe social distancing, and they ...

(Nanowerk Spotlight) Triggered by the COVID-19 pandemic, the surge in demand for surgical masks and respirators has led to a global manufacturing rush. However, not all mask filter materials are ...

SINGAPORE – 2020 has sent us into a weird era where face masks are an essential part of our lives. This is no different in 2021 and 2022 as well. With masks being the essential tool in stopping ...