Cellular Drug Trafficking in Action (IMAGE) Imperial College London Caption Image one shows the receptor (green) inside the cell (cell nuclei in blue). Image Two shows the tweaked compound, where much of the receptor remains on the outside of the cell Credit Imperial College London Usage Restrictions None 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.