Woven COFs and MOFs (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption COF-505 is the first 3-D covalent organic framework to be made by weaving together helical organic threads, a fabrication technique that yields significant advantages in structural flexibility, resiliency and reversibility over previous COFs. Credit courtesy of Omar Yaghi, Berkeley Lab and UC Berkeley Usage Restrictions permission from Omar Yaghi 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.