Figure 3 (IMAGE) Osaka University Caption (A) In scintigraphy, radioactivity is observed only in the tumor (arrow) at all times after drug injection and is not seen in other regions at all. (B) Astatine-labeled gold nanoparticles strongly suppress tumor growth. Credit Hiroki Kato et al. Usage Restrictions None 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.