Synthesis of Fe3O4 Nanoparticles Using Lichen (Collema ABU01502) Extract and their Application in the Removal of 4-Nitrophenol from Aqueous Solution. Communication In Physical Sciences, [S. l.], v. 12, n. 8, p. 2253–22702026, 2025. Disponível em: https://journalcps.com/index.php/volumes/article/view/833. Acesso em: 10 aug. 2026.