Synthesis, Characterization, and Photocatalytic Application of ZnO@Gelatin Nanocomposite Derived from Chicken Feet for Methylene Blue Degradation. Souf Journal of Engineering and Sustainable Chemistry, [S. l.], v. 1, n. 1, p. 002–011, 2025. Disponível em: https://sjescjournal.com/index.php/sjesc-journal/article/view/7. Acesso em: 22 feb. 2026.