Cell-penetrating peptide clusters (IMAGE) Macquarie University Caption A digital representation of a cell-penetrating peptide cluster. Credit Daryl Ariawan Usage Restrictions For use only relating to this study. NB Image may be turned to landscape if required. 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.