Fluorescent Probe (IMAGE) Michigan Technological University Caption By illuminating the enzyme beta-galactosidase in a cell culture, Michigan Tech chemists hope to make it easier to leave more healthy tissue behind in cancer surgery. Credit Haiying Liu, Michigan Tech Usage Restrictions None 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.