Research (IMAGE) Aalto University Caption DNS, or 3.5 dinitrosalicylic acid, is used in determining the amount of reductive sugars. Credit Adolfo Vera / Aalto 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.