Illustration (IMAGE) University of Basel Caption Nanobodies track receptors from the cell surface to the center of the cell (the Golgi apparatus). Right: electron microscope image. Credit University of Basel, Biozentrum Usage Restrictions Print with proper credit 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.