FILTER 2 (IMAGE) Rice University Caption The self-sterilizing laser-induced graphene air filters created at Rice University show potential for use in hospitals. The filters trap airborne bacteria and other pathogens and then eliminate them through Joule heating of the conductive material. Credit Tour Group/Rice University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.