DNA Cylinder (image) Technical University of Munich (TUM) Share Print E-Mail Caption In a first step scientists at the Technical University of Munich form V-shaped building blocks using DNA-origami techniques. Determined by the opening angle a defined number of building blocks self-assemble into a gear-wheel. In a third step these gear-wheels form tubes with sizes of virus-capsids. Credit Hendrik Dietz / TUM Usage Restrictions None 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.