New Catalyst (IMAGE) Washington State University Caption The October 2014 cover of ACS Catalysis shows a palladium-iron catalyst and its ability to remove oxygen from m-cresol, which is a model compound for lignin. Credit Cover artwork by Cortland Johnson, PNNL. Usage Restrictions Please credit. 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.