(IMAGE) Université de Genève Caption Nanobodies (grey) with magnetic probes (red stars) target the desired membrane protein. © Enrica Bordignon Credit © Enrica Bordignon 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.