Reshaping Drug Tests (IMAGE) Tohoku University Caption These are cell-free ion channels embedded in bilayer lipid membranes formed in silicon chips. Credit Ayumi Hirano-Iwata Usage Restrictions Credit: Ayumi Hirano-Iwata 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.