Both Therapeutic and Diagnostic Agents? (IMAGE) Washington University in St. Louis Caption Mirica hopes to develop bifunctional compounds that can be both therapeutic and diagnostic agents. In the first role, they would block the metal-mediated formation of amyloid beta oligomers, and in the second, they would be loaded with a radioistope (Cu-64) and employed as PET imaging agents). Credit Image: Liviu Mirica Usage Restrictions None 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.