Programmable Gels (image) Massachusetts Institute of Technology Share Print E-Mail Caption MIT engineers created a DNA-acrylamide gel that can be degraded by DNA-editing enzymes. At right, the gel is broken down after two hours of exposure to a DNA "trigger sequence." At left, the gel is exposed to DNA that doesn't contain the trigger sequence, so it remains intact. Credit James Collins Usage Restrictions Images for download are made available to non-commercial entities, press and the general public under a Creative Commons Attribution Non-Commercial No Derivatives license. You may not alter the images provided, other than to crop them to size. A credit line must be used when reproducing images. Share Print E-Mail 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.