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PhD defence

Toxicity, bioaccumulation and trophic transfer of engineered nanoparticles in the aquatic environment

  • Q. Yu
Tuesday 31 January 2023
Academy Building
Rapenburg 73
2311 GJ Leiden


The findings in this thesis improve the understanding of 1) the relationship between exposure characteristics and toxicity of ENPs, 2) the joint toxic action of ENP mixtures and the comparison to metal salt mixtures, 3) how NOM affects the individual and joint toxicity of ENPs, 4) the extent of trophic transfer of ENPs along aquatic food chains, 5) the influence factors on trophic transfer, and 6) bioaccumulation, distribution and toxic effect on predators. This knowledge would provide a basis for data on individual and joint toxicity, bioaccumulation, and trophic transfer of ENPs for more realistic environmental risk assessment.


  • Prof.dr.ing. M.G. Vijver
  • Prof.dr.ir. W.J.G.M. Peijnenburg

PhD dissertations

Approximately one week after the defence, PhD dissertations by Leiden PhD students are available digitally through the Leiden Repository, that offers free access to these PhD dissertations. Please note that in some cases a dissertation may be under embargo temporarily and access to its full-text version will only be granted later.

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