AFM Images of Polycatenanes (IMAGE) Chiba University Caption Atomic Force Microscopy (AFM) images of poly[22]catenane, the longest polycatenane created by the research group (top) and five interlocked rings in a linear arrangement similar to the Olympic Games symbol (bottom) Credit Shiki Yagai Usage Restrictions The image may only be used with appropriate caption or credit. 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.