Membranes to remove viruses from drinking water

The ' zwitterionic polymer hydrogel ' repels the viruses from approaching and passing through the membrane. It contains both positive and negative charges and improves efficiency by weakening virus accumulation on the modified filter surface. The result was a significantly higher rate of removal of waterborne viruses, including human norovirus and adenovirus.

Source: ScienceDaily Headlines - April 19, 2017 Category: Science Source Type: news