1. Introduction.- 2. Nanomaterials and their influence in society through times.- 3. Nanomaterials for viral detection 4. Carbon quantum-dots.- 5. Silica nanoparticles: morphology and applications.- 6. Ballistic performance of nanostructured armors.- 7. Size effect on ferroelectricity in nanoscaled BaTiO3.- 8. Electrochromic nanomaterials.- 9. Synthesis and characterization of Nb2O5 nanostructures.- 10. Nanomaterials for magnetic hyperthermia.