Copper and Copper oxides - Uptake

After inhalation or instillation of uncoated copper or copper oxide nanoparticles no translocation was observed so far [1,2].

There are no known studies that deal with the uptake of copper or copper oxide nanoparticles via the skin.

After oral application of copper and copper oxide nanoparticles increased levels of copper in liver and kidney were measured.

There are numerous studies on the effect of copper (Cu) and copper oxide (CuO) nanoparticles on environmental organisms. Most take into account the effect of soluble copper ions and/or compare the effects of nanoscale Cu and CuOs with effects of coarser Cu and CuO particles. Some studies report a higher toxicity of nanoparticles compared to dissolved ionic copper but in many studies no differences in the effects could be found. Copper is one of the substances known to be ecotoxic, and copper compounds have been used for decades in paints for ship hulls to prevent the growth of algae, mussels and snails.

 

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