Ayse Koyun (IMAGE) Vienna University of Technology Caption Dr. Ayse N. Koyun is an expert in microscopic and spectroscopic analysis methods. Credit Thomas Blazina Usage Restrictions The image may only be used with the appropriate caption and 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.