The role of Ag particles deposited on TiO2 or Al2O3 self-organized nanoporous layers in their behavior as SERS-active and biomedical substrates

► Multifunctional hybrid materials Ag/TiO2-n/Ti and Ag/Al2O3-n/Al. ► SERS-active substrates. ► Bactericidal materials. ► Living cells culture friendly substrates. ► Efficient protein adsorbates.