Membrane Environment Enables Ultrafast Isomerization of Amphiphilic Azobenzene -INVITED G. M. Paternò, E. Colombo, V. Vurro, F. Lodola, V. Sesti, F. Benfenati, C. Bertarelli and G. Lanzani EPJ Web Conf., 238 (2020) 07001 Published online: 20 August 2020 DOI: 10.1051/epjconf/202023807001