Aβ Peptide at Interface (IMAGE) National Institutes of Natural Sciences Caption (a) An Aβ peptide that forms a β-hairpin structure at the hydrophilic/hydrophobic interface. (b) View from the bottom of panel (a). Credit ExCELLS/IMS 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.