Queen's University Enzyme Research Team (IMAGE) Queen's University Caption Queen's University Biochemistry Ph.D. student Rachel Hanna checks data from one of the university's diffractometers (on the left) while professors Peter Davies and Rob Campbell look on. Credit Stephen Wild for Queen's University 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.