Cancer cells in biomaterial (IMAGE) University of Nottingham Caption Ovarian cancer cells forming a cancer spheroid as they grow within the peptide-protein co-assembling material. Credit Alvaro Mata 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.