3D struts (IMAGE) University of California - San Diego Caption A 3D image reveals struts (green) alongside collagens (magenta). Credit UC San Diego Usage Restrictions Must be used in conjunction with Nature Communications paper on nanoscale matrices. 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.