Polymer (IMAGE) Toyohashi University of Technology (TUT) Caption This is the structure of cinchona sulfonamide polymer. Credit Copyright (C) Toyohashi University Of Technology. All rights reserved. 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.