On August 20th, 2017, Prof. Guosong Chen attended the 245th American Chemical Society National Meeting & Exposition in Washington. DC, and presented at two sessions. On the 21st, Prof. Guosong Chen attended the POLY session to celebrate Rachel O'Reilly and Richard Hoogenboom's 2017 Biomacromolecules / Macromolecules Young Investigator Award, and then gave a lecture entitled "Macromolecular Self-Assembly based on Carbohydrate". On the 22nd, Prof. Chen participated the PMSE session of the "Synthesis, Self-Assembly & Applications of Peptides & Polypeptides", and made a report entitled "New Strategy on protein self-assembly driven by dual supramolecular interactions". The picture shows Prof. Chen after the report with the winner Rachel (first from right), Richard (second from left) and some invited speakers.