Structure of Au246 Nanoparticle (IMAGE) Carnegie Mellon University Caption The structure of the largest gold nanoparticle to-date, Au246(SR)80, was resolved using x-ray crystallography. Credit Carnegie Mellon University Usage Restrictions Credit: Carnegie Mellon University 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.