Octadentate HOPO (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption This octadentate HOPO is a sequestering agent that can encapsulate actinides, such as this plutonium atom (gold), into tightly bound cage-like complexes for excretion out of the body. Credit (image by Zosia Rostomian, Berkeley Lab) 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.