Creating a slow-release anesthetic (IMAGE) Boston Children's Hospital Caption This schematic shows the peptides P1 and P2 with hydrophobic modifications that enable them to self-assemble into nanostructures that bind to tetrodotoxin (TTX). Credit Tianjiao Ji, PhD, Kohane lab in Nature Biomedical Engineering, Sept. 13, 2021. Usage Restrictions Please credit as indicated 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.