Istvan Kiss, Ph.D., and Yifan Liu, Ph.D. (IMAGE) Saint Louis University Caption Istvan Kiss, Ph.D., professor of chemistry at Saint Louis University and Yifan Liu, Ph.D., graduate research assistant at Saint Louis University Credit Saint Louis University 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.