Nanomaterials Based on Collaboration with Multiple Partners: Zn 3 Nb 2 O 8 Doped with Eu 3+ and/or Amino Substituted Porphyrin Incorporated in Silica Matrices for the Discoloration of Methyl Red. - Birdeanu, Mihaela; Fratilescu, Ion; Epuran, Camelia; Mocanu, Liviu; Ianasi, Catalin; Lascu, Anca; Fagadar-Cosma, Eugenia (International Journal of Molecular Sciences, 2023)