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Long-term effects of tungsten carbide (WC) nanoparticles in pelagic and benthic aquatic ecosystems

Ekvall, Mikael T. LU ; Hedberg, Jonas; Odnevall Wallinder, Inger; Hansson, Lars Anders LU and Cedervall, Tommy LU (2018) In Nanotoxicology 12(1). p.79-89
Abstract

As the production and usage of nanomaterials are increasing so are the concerns related to the release of the material into nature. Tungsten carbide (WC) is widely used for its hard metal properties, although its use, in for instance tyre studs, may result in nano-sized particles ending up in nature. Here, we evaluate the potential long-term exposure effects of WC nanoparticles on a pelagic (Daphnia magna) and a benthic (Asellus aquaticus) organism. No long-term effects were observed in the benthic system with respect to population dynamics or ecosystem services. However, long-term exposure of D. magna resulted in increased time to first reproduction and, if the particles were resuspended, strong effects on survival and reproductive... (More)

As the production and usage of nanomaterials are increasing so are the concerns related to the release of the material into nature. Tungsten carbide (WC) is widely used for its hard metal properties, although its use, in for instance tyre studs, may result in nano-sized particles ending up in nature. Here, we evaluate the potential long-term exposure effects of WC nanoparticles on a pelagic (Daphnia magna) and a benthic (Asellus aquaticus) organism. No long-term effects were observed in the benthic system with respect to population dynamics or ecosystem services. However, long-term exposure of D. magna resulted in increased time to first reproduction and, if the particles were resuspended, strong effects on survival and reproductive output. Hence, the considerable differences in acute vs. long-term exposure studies revealed here emphasize the need for more long-term studies if we are to understand the effects of nanoparticles in natural systems.

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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Tungsten carbide; nanoparticles; Daphnia magna; Asellus aquaticus; nanotoxicology
in
Nanotoxicology
volume
12
issue
1
pages
11 pages
publisher
Informa Healthcare
external identifiers
  • scopus:85041224670
ISSN
1743-5390
DOI
10.1080/17435390.2017.1421274
language
English
LU publication?
yes
id
2cebaa8a-d768-4dfc-82c8-990eb4a7b03a
date added to LUP
2018-02-12 12:09:43
date last changed
2018-02-13 08:52:19
@article{2cebaa8a-d768-4dfc-82c8-990eb4a7b03a,
  abstract     = {<p>As the production and usage of nanomaterials are increasing so are the concerns related to the release of the material into nature. Tungsten carbide (WC) is widely used for its hard metal properties, although its use, in for instance tyre studs, may result in nano-sized particles ending up in nature. Here, we evaluate the potential long-term exposure effects of WC nanoparticles on a pelagic (Daphnia magna) and a benthic (Asellus aquaticus) organism. No long-term effects were observed in the benthic system with respect to population dynamics or ecosystem services. However, long-term exposure of D. magna resulted in increased time to first reproduction and, if the particles were resuspended, strong effects on survival and reproductive output. Hence, the considerable differences in acute vs. long-term exposure studies revealed here emphasize the need for more long-term studies if we are to understand the effects of nanoparticles in natural systems.</p>},
  author       = {Ekvall, Mikael T. and Hedberg, Jonas and Odnevall Wallinder, Inger and Hansson, Lars Anders and Cedervall, Tommy},
  issn         = {1743-5390},
  keyword      = {Tungsten carbide; nanoparticles; Daphnia magna; Asellus aquaticus; nanotoxicology},
  language     = {eng},
  month        = {01},
  number       = {1},
  pages        = {79--89},
  publisher    = {Informa Healthcare},
  series       = {Nanotoxicology},
  title        = {Long-term effects of tungsten carbide (WC) nanoparticles in pelagic and benthic aquatic ecosystems},
  url          = {http://dx.doi.org/10.1080/17435390.2017.1421274},
  volume       = {12},
  year         = {2018},
}