Aqueous micellar systems containing Triton X-114 and Pichia pastoris fermentation supernatant: a novel alternative for single chain-antibody fragment purification - Malpiedi, Luciana Pellegrini; Nerli, Bibiana B; Abdalla, Dulcinéia Saes Parra; Pessôa Filho, Pedro de Alcântara; Pessoa Junior, Adalberto (Separation and Purification Technology, 2014)