Sally Yunsun Kim, University of Sydney (IMAGE) University of Sydney Caption Ph.D. student Sally Yunsun Kim works on the AFM-IR device in the Faculty of Pharmacy. Credit Louise Cooper/University of Sydney Usage Restrictions Use for this story only 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.