But just having an antimicrobial layer or coating isn ... also developing mask filters by adapting water filtration technology to air. The project involves integrating a carbon nanotube heater ...

Some face masks now come with a coating of graphene, a substance that can kill microbes. Is it safe to breathe it in? As a COVID-19 and medical device researcher, I understand the importance of ...

Their fabrication process consisted of four simple steps: First, a piece of commercially available sponge was cleaned by water and acetone; then, after drying, it was cut into small ribbons; these ...