UIC's DEMS Researchers (IMAGE) University of Illinois Chicago Caption Amin Salehi-Khojin, UIC assistant professor of mechanical and industrial engineering (right), and postdoctoral research associate Mohammad Asadi with their specially modified differential electrochemical mass spectrometry (DEMS) instrument. Credit UIC College of Engineering 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.