Lab-on-a-Chip (IMAGE) University of Kansas Caption The prototype lab-on-a-chip is made of a widely used silicone rubber called polydimethylsiloxane and uses a technique called 'on-chip immunoisolation.' Credit University of Kansas/KU News Service 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.