Glucose Control in Mice (IMAGE) Duke University Caption A glucose-controlling drug (blue) is shown completely dissolving after 24 hours in the body of a mouse in the top two photos. In the bottom two images, a newly optimized version of a diabetes treatment forms a "depot" for controlled release that persists more than 24 hours. Credit Ashutosh Chilkoti, Duke 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.