Scientists at Uppasala University, Sweden in collaboration with German virologists have developed cellulose nanofiber sheets to remove viruses from water.
Nanocellulose filter paper termed as “mille-feuille filter,” have layered structure resembling French pastry mille-feuille, will be able to remove even small sized viruses. This new structured nanocellulose sheets are affordable filters that not only can remove viruses but also can have long life, according to Uppasala University.
Earlier in 2014, the researchers presented filters that can capture large sized viruses such as influenza virus. Compared to tea bag kind of cellulose filters, these French pastry structured filters have pore structures that can filter viruses that are normally resistant to physical and chemical countermeasure processes.
Uppasala team was led by Professor Albert Mihranyan and collaborated with virologists from Charles River, Cologne, Germany. According to Mihranyan, their goal is to develop filter paper that can remove viruses from water as easily as brewing coffee.