Gram-Negative Bacterial Outer Membrane Molecular Complexity (IMAGE) Lehigh University Caption This is an illustration of a typical E. coli outer membrane is shown, along with the molecular system used to represent the complexity in molecular dynamics simulations. Credit Image courtesy of Wonpil Im, Lehigh 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.