Silver nanoparticles biosynthesized using Opuntia ficus aqueous extract. Superficies y Vacío, [S. l.], v. 25, n. 1, p. 31–35, 2012. Disponível em: https://superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/225. Acesso em: 24 apr. 2025.