ABLE side view (IMAGE) University of Chicago Caption A wafer-thin patch incorporates a flexible electronic circuit, a gel made from tapioca starch and gelatin, and friendly bacteria that help treat skin conditions. Credit Photo by Jiuyun Shi and Bozhi Tian/University of Chicago Usage Restrictions With credit License Original 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.