Lisa Weiss, University of Vienna (IMAGE) University of Vienna Caption The team around Lisa Weiss has developed a reliable strategy to separate chemically identical macromolecules. Credit Copyright: Oleg Domanov Usage Restrictions The image may only be used with appropriate caption or 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.