Pic 1 (IMAGE) National Research Council of Science & Technology Caption Materials for the ultra-sensitive gas sensor developed by KRISS. (left) Synthetic target substrate (Si/SiO2), (center) 3D MoS2 nano-branch advanced material, (right) ultra-sensitive gas sensor 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.