Gas Sensor Array (IMAGE) Oregon State University Caption Depiction of a gas sensor array composed of microscale balances coated with thin films of nanoporous materials called metal-organic frameworks. Credit Arni Sturluson, Melanie Huynh, OSU 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.