Figure 5. Characterization of Au-PEG-R11 NPs. (IMAGE) Research Caption Figure 5. Characterization of Au-PEG-R11 NPs. Credit Copyright © 2026 Zhenghong Liu et al. Usage Restrictions Credit must be given to the creator. License CC BY 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.