Radiogenetic System in Cultured Cells (IMAGE) Rockefeller University Caption Researchers experimented with different configurations for their remote control system, and they found the best relies on an iron nanoparticle (blue), which is tethered by a protein (green) to an ion channel (red). Above, all three appear within cell membranes. Credit Laboratory of Molecular Genetics at The Rockefeller University/Nature Medicine Usage Restrictions Image may only be used to illustrate research described in accompanying story. 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.