Plastic Biosensor Schematic (image) King Abdullah University of Science & Technology (KAUST) Share Print E-Mail Caption This is a schematic of the all-polymer biofuel cell, which draws energy from the glucose naturally present in saliva. Credit © 2019 KAUST; Heno Hwang Usage Restrictions Permission required from journal for re-use. Share Print E-Mail 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.