POSS peptide (IMAGE) DOE/Pacific Northwest National Laboratory Caption POSS-peptoid molecules self-assemble into rhomboid-shaped nanocrystals. Credit (Illustration by Stephanie King | Pacific Northwest National Laboratory) 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.