Image (IMAGE) World Scientific Caption Microfluidic assay device which detects the secretion of cholesterol from human hepatocytes in microfluidic culture (small insert) and the schematic showing the assay chemistry. Credit Author 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.