SIS Stable Membrane (IMAGE) DOE/Argonne National Laboratory Caption A new Argonne technique can grow material inside membrane structures, changing their chemistry without significantly affecting the pore shape. This allows scientists to improve upon membranes in various ways. Credit Argonne National Laboratory 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.