AFM Images of Molecules Before and After Reaction (image) University of California - Berkeley Share Print E-Mail Caption These are atomic force microscope images and chemical structures of a molecule before and after it reacts on a surface. The structures of the two major products of the reaction were unexpected, which shows the value of this type of imaging. Credit Felix Fischer and Michael Crommie, UC Berkeley Usage Restrictions None Share Print E-Mail 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.