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Cited by 258

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Exploring uptake and biodistribution of polystyrene (nano)particles in zebrafish embryos at different developmental stages

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van Pomeren, M., Brun, N.R., Peijnenburg, W.J.G.M., Vijver, M.G.·2017·Aquatic Toxicology

Abstract

In ecotoxicology, it is continuously questioned whether (nano)particle exposure results in particle uptake and subsequent biodistribution or if particles adsorb to the epithelial layer only. To contribute to answering this question, we investigated different uptake routes in zebrafish embryos and how they affect particle uptake into organs and within whole organisms. This is addressed by exposing three different life stages of the zebrafish embryo in order to cover the following exposure routes: via chorion and dermal exposure; dermal exposure; oral and dermal exposure. How different nanoparticle sizes affect uptake routes was assessed by using polystyrene particles of 25, 50, 250 and 700nm. In our experimental study, we showed that particle uptake in biota is restricted to oral exposure, whereas the dermal route resulted in adsorption to the epidermis and gills only. Ingestion followed by biodistribution was observed for the tested particles of 25 and 50nm. The particles spread through the body and eventually accumulated in specific organs and tissues such as the eyes. Particles larger than 50nm were predominantly adsorbed onto the intestinal tract and outer epidermis of zebrafish embryos. Embryos exposed to particles via both epidermis and intestine showed highest uptake and eventually accumulated particles in the eye, whereas uptake of particles via the chorion and epidermis resulted in marginal uptake. Organ uptake and internal distribution should be monitored more closely to provide more in depth information of the toxicity of particles.

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Metadata

Authors
van Pomeren, M., Brun, N. R., Peijnenburg, W. J. G. M., & Vijver, M. G.
Venue
Aquatic Toxicology
Publisher
Elsevier BV
Published
2017-09
Volume
190
Pages
40-45
ISSN
0166-445X (ISSN-L)
OpenAlex
W2702285806
Cited by
258
References
30
FWCI
9.15
Type
journal article
Language
en
Open access
hybrid

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van Pomeren, M., Brun, N. R., Peijnenburg, W. J. G. M., & Vijver, M. G. (2017). Exploring uptake and biodistribution of polystyrene (nano)particles in zebrafish embryos at different developmental stages. Aquatic Toxicology. https://doi.org/10.1016/j.aquatox.2017.06.017

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