Immobilization of metal complexes in mesoporous hosts via pi-stacking interactions - physicochemical characterizations and release studies - Botelho, M.; Queiroz, T. B.; de Camargo, Andrea Simone Stucchi; Galvez, M. D.; Fernandez-Hernandez, J. M.; Eckert, Hellmut; Cola, L. (International Conference on Multifunctional, Hybrid and Nanomaterials, 2011)