Kapok fibers modified with cationic surfactants: structural insights and efficient removal of Cr(VI) and bisphenol A - Nunes, Mário André Brito Seixas; Boas, Anna Clara Drumond Vilas; Fernandes, Rodrigo; Itri, Rosangela; Marques, Leandro Ramos; Ando, Rômulo Augusto; Petri, Denise Freitas Siqueira (Journal of Colloid and Interface Science, 2025)