Moleculare Nano Rulers (IMAGE) University of Würzburg Caption PicoRuler: Protein-based molecular rulers make it possible to test the optical resolution of the latest super-resolution microscopy methods on biomolecules in the sub-10-nanometre range under realistic conditions. Credit Gerti Beliu, DALL-E 3 / University of Würzburg Usage Restrictions none 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.