Collaborators from the University of Iowa (IMAGE) Virginia Tech Caption From left to right, are: Changya Chen, Kai Tan, and Bing He, all from the University of Iowa. They worked with Virginia Tech Professor of Chemical Engineering Chang Lu and his student Zhenning Cao on the new technology. Credit University of Iowa 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.