Catalysts with Ruthenium Nanoparticles (IMAGE) RUDN University Caption The chemists monitored the influence of a titanium-dioxide based ruthenium nanocatalyst on the emission of hydrogen from a methanol-water mixture. Credit Allen Dressen Usage Restrictions credit: Allen Dressen 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.