Dimitrios Papavassiliou, Ph.D. (IMAGE) University of Oklahoma Caption Dimitrios Papavassiliou, Ph.D., a professor in the School of Chemical, Biological and Materials Engineering in the Gallogly College of Engineering 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.