Direct Air Capture Technology (IMAGE) University of Pittsburgh Caption The MOF would have a core-shell design, meaning carbon dioxide would be trapped in the core, while the shell is able to block other gasses, specifically water. The shell and the core would be made from different MOF materials, with the shell MOF designed to slow down water and the core MOF designed to bind CO2. Credit The University of Pittsburgh Usage Restrictions NA 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.