Livia Eberlin, Purdue University (image) Purdue University Caption Graduate student Livia Eberlin, Purdue University, uses DESI technology to analyze a sample. A team led by R. Graham Cooks, Purdue's Henry Bohn Hass Distinguished Professor of Chemistry, used DESI to create a tool that could allow for faster, more comprehensive testing of brain tissue during cancer surgery. Credit (Purdue University photo/Steve Scherer) Usage Restrictions None 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.