Titanium Dioxide – Behaviour

Mostly, titanium dioxide (TiO2) particles are taken up as aggregates via vesicles into the cytoplasm of exposed cells.

An in vitro study of phagocytosing immune cells in the brain (microglial cells) has revealed that titanium dioxide (TiO2) nanoparticles can trigger oxidative stress in these cells [1].

It is generally assumed that titanium dioxide (TiO2) particles regardless of their size do not dissolve. Thus it is likely that TiO2 retain their particulate form in the environment. Studies on the environmental behaviour of TiO2 nanoparticles were carried out under three main aspects: (1) Influence of environmental conditions on the presence and mobility of the particles, (2) binding of environmental contaminants by the particles, and (3) the influence of particles on processes in the environment.


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