**6. Conclusion**

Many reviews and reports have been published on various aspects such as the properties, production, modification, and application of titanium dioxide. This chapter provided a detailed overview of the synthesis, properties, and applications of nanostructured titanium dioxide (NS-TiO2). Moreover, Titanium dioxide nanoparticles have gained a lot of attention because of their numerous applications. The formation of TiO2 from various biological sources (plants, microorganisms, and related bioproducts) has been discussed. Furthermore, the mechanism of their uptake, translocation, and accumulation in plants is explored. The potential impact of TiO2 has also been reported. Titanium dioxide nanoparticles have found a variety of applications in numerous industrial, medical, and environmental fields, attributable to recent advances in the nanotechnology field.
