Poly(ethylene glycol)-Based Hydrogel (IMAGE) Georgia Institute of Technology Research News Caption This image shows the front-view of a hair sensor before and after being coated with the poly(ethylene glycol)-based hydrogel material. Credit Image courtesy of Michael McConney 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.