Journal Cover Image (IMAGE) University of California - Santa Cruz Caption Chemists at UC Santa Cruz reported a new method for separation of methionine sulfoxide diastereomers that opens up new opportunities for studying their roles in biological processes. Credit Cover art by J. Raskatov Usage Restrictions For use only with news coverage of this research 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.