Cold Plasma Vortex (IMAGE) Drexel University Caption Researchers at Drexel University have shown that a vortex of cold plasma can effectively destroy PFAS compounds in water. Credit Drexel 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.