5,7-Dihydroxy-2-(4-hydroxyphenyl)chroman-4-one Functionalized CuO Nanoparticles: Synthesis, Characterization and Antioxidant Activity. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 21, n. 1, p. 107 – 114, 2020. DOI: 10.21743/pjaec/2020.06.13. Disponível em: http://pjaec.pk/index.php/pjaec/article/view/128. Acesso em: 3 jul. 2025.