Mobile Breath Analysis (image) The Korea Advanced Institute of Science and Technology (KAIST) Share Print E-Mail Caption Demonstration of mobile breath analysis using a portable sensing module. (a) Low-power sensing of simulated biomarker using MEMS sensor arrays and (b) pattern recognition of H2S, acetone, and toluene using PCA. Credit KAIST Usage Restrictions None Share Print E-Mail 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.