Au-Pd Catalysts (image) Rice University Caption Researchers at Rice University's Catalysis and Nanomaterials Laboratory have found that gold and palladium nanoparticles can rapidly break down nitrites. Credit M.S. Wong/Rice University Usage Restrictions Must credit: M.S. Wong/Rice University 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.