Video 1 (VIDEO) National Research Council of Science & Technology This video is under embargo. Please login to access this video. Caption Live imaging of cellular uptake of gold nanoparticles into organoids in different culture methods using a reflected dark-field microscope. Credit Korea Research Institute of Standards and Science (KRISS) Usage Restrictions The sources of photos and research results from KRISS must be specified. License Original 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.