Electron microscope image of a MOF. (IMAGE) Graz University of Technology Caption Electron microscope image of a MOF. Credit PTC - TU Graz Usage Restrictions Only for use in relation to the content of this news release. 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.