Peptoid Nanosheet 3-D-printed Model (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption This is a 3-D-printed model of a peptoid nanosheet, showing patterned rows of sugars. Credit 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.