X-Ray Photoemission Spectroscopy Unlocks Graphene's Cancer-Treating Potential (IMAGE) Norwegian University of Science and Technology Caption Elise Ramleth Østli and Ph.D. candidate Federico Mazzola of the Norwegian University of Science and Technology (NTNU) check their experiment. As part of her master's project at NTNU, Elise Ramleth Østli spent time in Stockholm, studying the tubes used with intravenous catheters. Back at NTNU, she contacted Justin Wells at the Department of Physics, asking if he was interested in continuing studies on these types of medical materials. Credit Per Henning/NTNU Usage Restrictions With proper crediting 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.