CRISPR-Chip (IMAGE) University of California - Berkeley Caption CRISPR-Chip uses deactivated CRISPR-Cas9 protein, tethered to a transistor made of graphene, to detect specific genetic sequences in a DNA sample. Credit Image courtesy Kiana Aran Usage Restrictions with credit 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.