2023.10.24, Guy Zuber from University of Strasbourg & CNRS, Director of the Biotechnology and Cell Signaling Institute was invited to visit the Department of Macromolecular Science Fudan University. He gave an academic report entitled " Gold nanoparticles in conjunction with delivery methods for labeling intracellular proteins in close to real live condition". This lecture presented the chemical properties of 2 nm AuNPs after conjugation to peptides and antibodies, their behavior into living cells after delivery into the cytosol and first cryo-EM data.