Bacteria on a Chip (image) Michigan State University Caption This is a scanning electron microscope image of E. coli O157:H7 bacteria captured on the surface of a biosensor chip. Credit Evangelyn Alocilja laboratory Usage Restrictions Use only in association with this news release. 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.