Molybdenium Disulfide FET-Based Biosensor (IMAGE) University of California - Santa Barbara Caption This is a concept art of a molybdenum disulfide field-effect transistor based biosensor demonstrated by UCSB researchers with ability to detect ultra-low (femtomolar) concentrations with high sensitivity that is 74-fold higher than that of graphene FET biosensors. Credit Peter Allen, UCSB Usage Restrictions Credit Peter Allen, UCSB 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.