Plasma-etched nanostructured anti-bacterial surfaces. (IMAGE) American Institute of Physics Caption Plasma-etched nanostructured anti-bacterial surfaces. Credit CREDIT: Copyright 2020 Elsevier. Usage Restrictions Journalists may reuse this image in conjunction with this research only, with appropriate credit. 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.