Trapped Gas in the Nanospace of MOF/PCP (IMAGE) Nagoya University Caption The schematic image of molecular structure shows trapped gas (shown in green) in the nanospace of MOF/PCP. The materials acting like sponge capture, store, and release gas molecules. Credit Ryotaro MATSUDA 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.