Figure 1. In vivo cancer diagnosis (IMAGE) Tokyo Institute of Technology Caption Schematic illustration of the proposed technique using spin-LEDs on the tip of an endoscope. This image was selected as an inside cover of Journal of Biophotonics. Credit Journal of Biophotonics 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.