Figure 1 (IMAGE) Kanazawa University Caption Illustration of the 'reaction first' and 'recognition first' scenarios in reactive host-guest systems (left) and the host molecule and its schematic representation used by Akine and colleagues (right). Credit Kanazawa University Usage Restrictions The image may only be used with appropriate caption and 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.