Mechanism of Action of the New Catalyst (IMAGE) Hokkaido University Caption The newly developed catalyst (center bottom) consists of a metal (iridium) atom at its core and various modules that ensure that the fatty acid amide or ester is precisely positioned in a way that the C-H bond located three carbons away from the carboxyl group is modified (Reyes R. L. et al., Science, August 21, 2020). Credit Reyes R. L. et al., Science, August 21, 2020 Usage Restrictions This image is copyrighted but may be used to report this press release if credited as instructed. 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.