Relationship between morphology, porosity, and the photocatalytic activity of TiO2 obtained by sol¿gel method assisted with ionic and nonionic surfactants Sofía Estrada-Flores; Antonia Martínez-Luévanos; Catalina María Perez-Berumen; Luis Alfonso García-Cerda; Tirso Emmanuel Flores-Guia;

Bioactive glass coatings obtained by thermal spray: Current status and future challenges Beatriz Garrido; Sergi Dosta; Irene Garcia Cano;