Professor Josefina Pérez-Arantegui (IP), University of Zaragoza, of the GEAS group, has been awarded a cross-border cooperation project between Aragon and Nueva Aquitaine, together with Professor Floréal Daniel (IP, Université Bordeaux-Montaigne), with reference AQ -12/2019 (Government of Aragon), entitled: «MURASAKI. Organic colorants from Japanese ukiyo-e prints: synthetic pigments »