CeO2/Mn3O4 Nanocrystals (IMAGE) Institute for Basic Science Caption Schematic illustration of highly catalytic CeO2/Mn3O4 nanocrystals preventing acute radiation syndrome. Credit IBS Usage Restrictions Please indicate the 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.