MOF (image) Institute of Physical Chemistry of the Polish Academy of Sciences Share Print E-Mail Caption Organometallic frameworks are like sponges. They can hold very large amounts of drug, and then precisely 'squeeze' it out at the required time. Credit Grzegorz Krzyzewski, IPC PAS Usage Restrictions None Share Print E-Mail 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.