Cerium dioxide nanoparticles will be taken up by human lung cells even at low concentrations via a vesicle-dependent process.


Data from an early study demonstrate the uptake of cerium dioxide nanoparticles between 20 and 50 nm in size by human lung cells. After the uptake the particles could be found agglomerated within vesicles in the cytoplasm of the cells. Neither outside the vesicles nor within other cell compartments such as the nucleus or the mitochondria particles could be seen [1].



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