Experimental setup (IMAGE) University of Münster Caption Chemists use this experimental setup for photochemical reactions. Credit Peter Bellotti Usage Restrictions Use of the image is permitted exclusively in connection with this press release and provided the source is acknowledged. 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.