Applications of titanium dioxide in space / Naoki Shimosako and Hiroshi Sakama -- Revolution of titanium dioxide in biomedical and applications in environmental remediation / Smita Kumari and Dharmendra Kumar -- Doped titanium dioxide nanostructures for visible light-driven photocatalysis / Seema Maheshwari, Kuldeep Kaur, Ashok Kumar Malik and Simrat Kaur -- Biosynthesized titanium dioxide nanoparticles and their antibacterial efficacy / Immanuel J. Suresh, Iswareya V. Lakshimi and Shanthipriya Ajmera -- Forensic applications of titanium dioxide nanomaterials / Gurvinder Singh Bumbrah and Devidas S. Bhagat.