Jason Ryckman, Vanderbilt University (IMAGE) Vanderbilt University Caption Vanderbilt graduate student Jason Ryckman demonstrating the operation of a diffraction-based biosensor produced out of a nanoporous material by the new imprinting process. Credit Anne Raynor / Vanderbilt 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.