List of Articles Density of states Open Access Article Abstract Page Full-Text 1 - NH3 sensors based on novel TiO2/MoS2 nanocomposites: Insights from density functional theory calculations Open Access Article Abstract Page Full-Text 2 - Theoretical study of the interaction of harmful heroin molecule with N-doped TiO2 anatase nanoparticles Open Access Article Abstract Page Full-Text 3 - TiO2/Graphene oxide nanocomposite as an ideal NO gas sensor: A density functional theory study