Face masks have become an important tool in fighting against the Covid-19 pandemic. However, improper use or disposal of masks may lead to “secondary transmission”.
A research team from City University of Hong Kong (CityU) has successfully produced graphene masks with an anti-bacterial efficiency of 80 percent, which can be enhanced to almost 100 percent with exposure to sunlight for around 10 minutes.
- 38Scientists from the National University of Science and Technology "MISIS" together with their colleagues from Derzhavin Tambov State University and Saratov Chernyshevsky State University have figured out that graphene is capable of purifying water, making it drinkable, without further chlorination. “Capturing” bacterial cells, it forms flakes that can be easily…