Adsorption characteristics of tryptophan onto nanosilica synthesized from rice husk . Vietnam Journal of Catalysis and Adsorption, [S. l.], v. 8, n. 2, p. 87–92, 2019. Disponível em: https://jca.edu.vn/index.php/jca/article/view/582.. Acesso em: 28 feb. 2025.