Pic 2 (IMAGE) National Research Council of Science & Technology Caption KRISS researchers are observing nanomaterial penetration into dome-shaped extracellular matrix using 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.