Corona discharge treatment (IMAGE) University of South Florida Caption Graphic demonstrates how technology created at the University of South Florida uses corona discharge to rapidly disinfect and electrostatically recharge N95 respirators. Credit University of South Florida Usage Restrictions No restrictions. License Public Domain 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.