(IMAGE) Institute for Bioengineering of Catalonia (IBEC) Caption Acumulación de los nanorrobots en el tumor visualizado por microscopía. Credit IRB Barcelona Usage Restrictions No restriction License Original 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.