Tiangang Li, Ph.D. (IMAGE) University of Oklahoma Caption Tiangang Li, Ph.D., is a researcher at OU Health Harold Hamm Diabetes Center at the University of Oklahoma. Credit University of Oklahoma Usage Restrictions None License Original 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.