Sakthivel Sadayappan, PhD (IMAGE) University of Cincinnati Caption Sakthivel Sadayappan, PhD, is shown in the UC College of Medicine. Credit Colleen Kelley/UC Creative + Brand 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.