Glassy Carbon Electrodes in Chip (IMAGE) San Diego State University Caption Glassy carbon electrodes are embedded in a chip that can read the electrical signals from neurotransmitters. Credit Sam Kassegne 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.