Elena Guon (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption EPFL chemist Elena Goun of the Laboratory of Bioorganic Chemistry and Molecular Imaging. Credit EPFL 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.