Peptoid Combinations (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Illustration of peptoid combinations. Each of the metal-binding monomers is represented as a red or blue "claw." Credit Rebecca Abergel/Berkeley Lab Usage Restrictions None 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.