A Novel Experimental and Modelling Strategy for Nanoparticle Toxicity Testing Enabling the Use of Small Quantities

Van Pomeren, Marinda; Peijnenburg, Willie J. G. M.; Brun, Nadja R.; Vijver, Martina G.

doi:10.3390/ijerph14111348

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A Novel Experimental and Modelling Strategy for Nanoparticle Toxicity Testing Enabling the Use of Small Quantities

Marinda Van Pomeren

^1,*

Willie J. G. M. Peijnenburg

^1,2

Nadja R. Brun

and

Martina G. Vijver

Institute of Environmental Sciences (CML), Leiden University, P.O. Box 9518, 2300 RA Leiden, The Netherlands

National Institute of Public Health and the Environment, P.O. Box 1, 3720 BA Bilthoven, The Netherlands

Author to whom correspondence should be addressed.

Int. J. Environ. Res. Public Health 2017, 14(11), 1348; https://doi.org/10.3390/ijerph14111348

Received: 25 September 2017 / Revised: 19 October 2017 / Accepted: 2 November 2017 / Published: 6 November 2017

(This article belongs to the Collection Environmental Risk Assessment)

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Abstract

Metallic nanoparticles (NPs) differ from other metal forms with respect to their large surface to volume ratio and subsequent inherent reactivity. Each new modification to a nanoparticle alters the surface to volume ratio, fate and subsequently the toxicity of the particle. Newly-engineered NPs are commonly available only in low quantities whereas, in general, rather large amounts are needed for fate characterizations and effect studies. This challenge is especially relevant for those NPs that have low inherent toxicity combined with low bioavailability. Therefore, within our study, we developed new testing strategies that enable working with low quantities of NPs. The experimental testing method was tailor-made for NPs, whereas we also developed translational models based on different dose-metrics allowing to determine dose-response predictions for NPs. Both the experimental method and the predictive models were verified on the basis of experimental effect data collected using zebrafish embryos exposed to metallic NPs in a range of different chemical compositions and shapes. It was found that the variance in the effect data in the dose-response predictions was best explained by the minimal diameter of the NPs, whereas the data confirmed that the predictive model is widely applicable to soluble metallic NPs. The experimental and model approach developed in our study support the development of (eco)toxicity assays tailored to nano-specific features. View Full-Text

Keywords: aquatic toxicology; zebrafish embryo; translational modeling; (metallic) nanoparticles; nano-specific testing; risk assessment

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MDPI and ACS Style

Van Pomeren, M.; Peijnenburg, W.J.G.M.; Brun, N.R.; Vijver, M.G. A Novel Experimental and Modelling Strategy for Nanoparticle Toxicity Testing Enabling the Use of Small Quantities. Int. J. Environ. Res. Public Health 2017, 14, 1348. https://doi.org/10.3390/ijerph14111348

AMA Style

Van Pomeren M, Peijnenburg WJGM, Brun NR, Vijver MG. A Novel Experimental and Modelling Strategy for Nanoparticle Toxicity Testing Enabling the Use of Small Quantities. International Journal of Environmental Research and Public Health. 2017; 14(11):1348. https://doi.org/10.3390/ijerph14111348

Chicago/Turabian Style

Van Pomeren, Marinda, Willie J.G.M. Peijnenburg, Nadja R. Brun, and Martina G. Vijver. 2017. "A Novel Experimental and Modelling Strategy for Nanoparticle Toxicity Testing Enabling the Use of Small Quantities" International Journal of Environmental Research and Public Health 14, no. 11: 1348. https://doi.org/10.3390/ijerph14111348

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A Novel Experimental and Modelling Strategy for Nanoparticle Toxicity Testing Enabling the Use of Small Quantities

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