Fluorescent Micrograph of DNA Gel (IMAGE) University of California - Santa Barbara Caption A typical DNA gel used for the active mechanics study. In this fluorescent micrograph, the stiff DNA nanotubes are visible as glowing green and red fibers. Credit UCSB 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.