Nanoparticle Synthesizing (IMAGE) Northwestern University Caption The first step in synthesizing nanoparticles using scanning probe block copolymer lithography, part of a new approach for creating important new catalysts to aid in clean energy conversion and storage. Credit Northwestern University Usage Restrictions Credit must be given 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.