As exposure to tungsten carbide (WC) nanoparticles mainly occurs occupationally there are only few investigations available regarding effects on environmental organisms.


WC nanoparticles are taken up by rainbow trout gill cell cultures, yet they do not exert toxicity in this investigation [1]. An uptake into the nuclei of cells, which carries the genetic information, has not been detected neither. Laboratory experiments regarding the behaviour of particles in liquids demonstrated an agglomeration of nanoparticles into bigger assemblies, which may also occur in surface waters. Even though particle agglomerates are bigger then single particles they were taken up by the cells.


To date, there are no data available on the effects of WC nanoparticles towards additional test organisms, such as algae or bacteria.


Literatur arrow down

  1. Kuehnel, D et al. (2009), Aquat Toxicol, 93(2-3): 91-99.


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