The electrically conductive hydrogel (IMAGE) Kiel University Caption The electrically conductive hydrogel could be used for implants that could release medical active substances in a controlled manner to treat certain brain diseases. Credit © Christine Arndt 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.