Initially Closed Molecular Cage (IMAGE) Kanazawa University Caption This is an initially closed molecular cage (left). Disulfide bonds can be broken via reactions with thiolate anions, resulting in the formation of apertures (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.