Sol-gel Transition (IMAGE) Yokohama National University Caption Schematic illustration of sol-gel transition triggered by photoisomerization of azobenezene-containing ionic liquid molecular switch. Credit Yokohama National University 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.