Cell-wall disruption and characterization of phycocyanin from microalgae: Spirulina platensis using Catalytic ozonationRame Rame, Nilawati, Djayanti Silvy, Irnaning Handayani Novarina, Purwanto Agus and R Dwi Harjanto GanangE3S Web Conf., 73 (2018) 08010DOI: https://doi.org/10.1051/e3sconf/20187308010