The structure of CL4F 8-6 (IMAGE) Hokkaido University Caption The structure of CL4F 8-6, the branched ionizable lipid that was most effective in increasing storage stability and LNP-RNA delivery (Image: Yusuke Sato). Credit Yusuke Sato Usage Restrictions This image is copyrighted but may be used to report on thos press release if credited as instructed. License Original 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.