Separating CO2 from Coal-Fired Emissions (IMAGE) University of Pittsburgh Caption Depiction of a metal-organic framework (HKUST-1) embedded in a polymer matrix to be used as a membrane for efficient gas separations. Credit Kutay Sezginel/Hypothetical Materials Lab 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.