Luminescence properties of the Ln–EDTA complexes covalently linked to the chitosan biopolymers containing β-diketonate as antenna ligands - Costa, Israel F; Pires, Gilvan P; Espínola, José Geraldo de P; Brito, Hermi Felinto de; Felinto, Maria Claudia França da Cunha; Faustino, Wagner M; Teotonio, Ercules Epaminondas de Sousa (Luminescence, 2020)