MXene Layers (IMAGE) Drexel University Caption The chemical composition of MXene and its structure create channels that can trap gas molecules -- making it a useful material for gas separation. Credit Drexel University 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.