A. Zeynali, M. Marini, M. Collini, M. Bouzin, L. Sironi, L. D’Alfonso, P. Pallavicini, G. Chirico, Multiphoton Fabrication of Flexible Photo-thermally Active Proteinaceous Microstructures, Chemical Engineering Transactions. 84 (2021) 235-240. doi:10.3303/CET2184040.