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The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.

Strong Sorption of PCBs to Nanoplastics, Microplastics, Carbon Nanotubes, and Fullerenes

Open access
Velzeboer, I., Kwadijk, C. J. A. F., Koelmans, A. A.·2014·Environmental Science & Technology

Abstract

The presence of microplastic and carbon-based nanoparticles in the environment may have implications for the fate and effects of traditional hydrophobic chemicals. Here we present parameters for the sorption of 17 CB congeners to 10-180 μm sized polyethylene (micro-PE), 70 nm polystyrene (nano-PS), multiwalled carbon nanotubes (MWCNT), fullerene (C60), and a natural sediment in the environmentally relevant 10(-5)-10(-1) μg L(-1) concentration range. Effects of salinity and sediment organic matter fouling were assessed by measuring the isotherms in fresh- and seawater, with and without sediment present. Sorption to the "bulk" sorbents sediment organic matter (OM) and micro-PE occurred through linear hydrophobic partitioning with OM and micro-PE having similar sorption affinity. Sorption to MWCNT and nano-PS was nonlinear. PCB sorption to MWCNT and C60 was 3-4 orders of magnitude stronger than to OM and micro-PE. Sorption to nano-PS was 1-2 orders of magnitude stronger than to micro-PE, which was attributed to the higher aromaticity and surface-volume ratio of nano-PS. Organic matter effects varied among sorbents, with the largest OM fouling effect observed for the high surface sorbents MWCNT and nano-PS. Salinity decreased sorption for sediment and MWCNT but increased sorption for the polymers nano-PS and micro-PE. The exceptionally strong sorption of (planar) PCBs to C60, MWCNT, and nano-PS may imply increased hazards upon membrane transfer of these particles.

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Metadata

Authors
Velzeboer, I., Kwadijk, C. J. A. F., & Koelmans, A. A.
Venue
Environmental Science & Technology
Published
2014-04-10
Volume
48
Issue
9
Pages
4869-4876
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2321066044
Cited by
939
References
41
FWCI
15.79
Type
journal article
Language
en
Open access
green

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