Biosensor Chip at UC San Diego (IMAGE) University of California - San Diego Caption The biosensor chip -- consisting of a double stranded DNA probe embedded onto a graphene transistor -- electronically detects DNA SNPs. Credit Jacobs School of Engineering, UC San Diego Usage Restrictions Please credit: Jacobs School of Engineering, UC San Diego 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.