Super-Selective, Super-Lethal Nanoparticles (IMAGE) University of Iowa Caption UI researchers loaded nanoparticles with two cancer drugs and injected them into lab mice with type II endometrial cancer. The super-lethal nanoparticles reduced tumor growth and extended survival rates. In this photo, tiny green nanoparticles attack red tumor cells. The violet areas represent tumor cell nuclei. Credit Image courtesy of Kareem Ebeid/UI College of Pharmacy. 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.