Luminescent lanthanide compounds containing novel bis-(β-diketonate) ligands with potential for biological application - Santos, Paulo Roberto da Silva; Cugnasca, Beatriz dos Santos; Brito, Hermi Felinto de; Felinto, Maria Claudia França da Cunha; Teotonio, Ercules Epaminondas de Sousa (Brazilian Materials Research Society/B-MRS, 2025)