Surface Sampling Probe (IMAGE) DOE/Oak Ridge National Laboratory Caption Oak Ridge National Laboratory's new droplet-based surface sampling probe speeds the process of analyzing a liver biopsy sample. Credit Oak Ridge National Laboratory 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.