A mouse hindlimb image recorded in NIR-Ib (IMAGE) Proceedings of the National Academy of Sciences Caption A mouse hindlimb image recorded in NIR-Ib (emission in the range of 1500-1700 nm) when a quantum dot fluorophore was in circulation in the mouse. The image can be considered as the 'ground truth' image. Credit Image credit: Zhuoran Ma and Hongjie Dai. 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.