Illustration (IMAGE) Technical University of Munich (TUM) Caption Different kinds of nanoparticles are bound together by DNA fragments and Ceren Kimna released at specific times. Such connections may become the basis of drugs that release their active ingredients in sequence. Credit Ceren Kimna / TUM Usage Restrictions Free for use in reporting on Kimna et al., "Engineering an orchestrated release avalanche from hydrogels using DNA-nanotechnology", <em>Journal of Controlled Release</em>, (2019). 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.