Cold plasma (IMAGE) Penn State Caption An atmospheric-pressure plasma jet is used for sterilization of antibiotic-resistant bacteria. The plasma is non-thermal and can be applied to living tissue without thermal damage. Credit Sean Knecht, Penn State Usage Restrictions non commercial use only 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.