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Analysis of small microplastics and nanoplastics in complex matrices

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Abstract
Plastic pollution is ubiquitous and persistent in the aquatic environment. Its distribution is heterogeneous in terms of both physical (e.g. size, shape, density, porosity, colour) and chemical properties (e.g. polymer type, surface charge, polarity, presence of additives or persistent organic pollutants). A strong international research effort has been made over the past 15 years, notably on methods development, to collect, prepare, and thus analyse plastic items with dimensions between 10 µm and 5 mm denoted as microplastics (MPs). However, MPs will eventually degrade in the environment - with a concomitant modification of their initial characteristics - to successively smaller entities, eventually reaching the nano-size range: they are then denoted as nanoplastics (< 1 µm; NPs). Nanoplastics are expected to be widely present in the environment and to represent an hazard for the ecosystem and ultimately for humans, but there is a paucity of reliable data on the concentration and distribution of small MPs (< 10 µm ; sMPs) and NPs in environmental matrices. Furthermore, there is currently a knowledge gap on these particles notably because of sampling and analytical challenges with methods that need to diverge from the ones developed at present for MPs. The current lack of relevant and standardized methods for sampling, preparing, and then quantifying and characterizing sMPs and NPs precludes the development of robust environmental risk assessment strategies. Indeed, by knowing their realistic distribution in the environment, it will be possible to set ecotoxicological studies with notably relevant concentration and particles types of plastics. The end goal of the present work is to identify reliable and relevant methods applicable for sampling, preparing, and determining the concentration and distribution of sMPs and NPs in complex environmental matrices (water, sediment and fauna) including information on their physical and/or chemical characteristics. The developed analytical toolbox will provide the means to establish realistic input values for further ecotoxicological studies and risk assessment regarding plastic particles with size smaller than 10 µm. [Acknowledgements: This research is supported by the Fonds Wetenschappelijk Onderzoek – Vlaanderen (FWO, Research Foundation Flanders) via SB PhD fellowship (grant no.1S03922N) and FWO project (grant no.G053320N).]

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Citation

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MLA
Falcou-Préfol, Mathilde, et al. “Analysis of Small Microplastics and Nanoplastics in Complex Matrices.” Interfaces Against Pollution (IAP 2022), Abstracts, 2022.
APA
Falcou-Préfol, M., Vercauteren, M., Janssen, C., Blust, R., Asselman, J., & Town, R. M. (2022). Analysis of small microplastics and nanoplastics in complex matrices. Interfaces Against Pollution (IAP 2022), Abstracts. Presented at the Interfaces Against Pollution : Chemical and Biological Perspectives (IAP 2022), Antwerp.
Chicago author-date
Falcou-Préfol, Mathilde, Maaike Vercauteren, Colin Janssen, Ronny Blust, Jana Asselman, and Raewyn M. Town. 2022. “Analysis of Small Microplastics and Nanoplastics in Complex Matrices.” In Interfaces Against Pollution (IAP 2022), Abstracts.
Chicago author-date (all authors)
Falcou-Préfol, Mathilde, Maaike Vercauteren, Colin Janssen, Ronny Blust, Jana Asselman, and Raewyn M. Town. 2022. “Analysis of Small Microplastics and Nanoplastics in Complex Matrices.” In Interfaces Against Pollution (IAP 2022), Abstracts.
Vancouver
1.
Falcou-Préfol M, Vercauteren M, Janssen C, Blust R, Asselman J, Town RM. Analysis of small microplastics and nanoplastics in complex matrices. In: Interfaces Against Pollution (IAP 2022), Abstracts. 2022.
IEEE
[1]
M. Falcou-Préfol, M. Vercauteren, C. Janssen, R. Blust, J. Asselman, and R. M. Town, “Analysis of small microplastics and nanoplastics in complex matrices,” in Interfaces Against Pollution (IAP 2022), Abstracts, Antwerp, 2022.
@inproceedings{01GMMZYXXV4V4J0K6PWY107V46,
  abstract     = {{Plastic pollution is ubiquitous and persistent in the aquatic environment. Its distribution is heterogeneous in terms of both physical (e.g. size, shape, density, porosity, colour) and chemical properties (e.g. polymer type, surface charge, polarity, presence of additives or persistent organic pollutants). A strong international research effort has been made over the past 15 years, notably on methods development, to collect, prepare, and thus analyse plastic items with dimensions between 10 µm and 5 mm denoted as microplastics (MPs). However, MPs will eventually degrade in the environment - with a concomitant modification of their initial characteristics - to successively smaller entities, eventually reaching the nano-size range: they are then denoted as nanoplastics (< 1 µm; NPs). Nanoplastics are expected to be widely present in the environment and to represent an hazard for the ecosystem and ultimately for humans, but there is a paucity of reliable data on the concentration and distribution of small MPs (< 10 µm ; sMPs) and NPs in environmental matrices. Furthermore, there is currently a knowledge gap on these particles notably because of sampling and analytical challenges with methods that need to diverge from the ones developed at present for MPs. The current lack of relevant and standardized methods for sampling, preparing, and then quantifying and characterizing sMPs and NPs precludes the development of robust environmental risk assessment strategies. Indeed, by knowing their realistic distribution in the environment, it will be possible to set ecotoxicological studies with notably relevant concentration and particles types of plastics.
The end goal of the present work is to identify reliable and relevant methods applicable for sampling, preparing, and determining the concentration and distribution of sMPs and NPs in complex environmental matrices (water, sediment and fauna) including information on their physical and/or chemical characteristics. The developed analytical toolbox will provide the means to establish realistic input values for further ecotoxicological studies and risk assessment regarding plastic particles with size smaller than 10 µm.
[Acknowledgements: This research is supported by the Fonds Wetenschappelijk Onderzoek – Vlaanderen (FWO, Research Foundation Flanders) via SB PhD fellowship (grant no.1S03922N) and FWO project (grant no.G053320N).]}},
  author       = {{Falcou-Préfol, Mathilde and Vercauteren, Maaike and Janssen, Colin and Blust, Ronny and Asselman, Jana and Town, Raewyn M.}},
  booktitle    = {{Interfaces Against Pollution (IAP 2022), Abstracts}},
  language     = {{eng}},
  location     = {{Antwerp}},
  title        = {{Analysis of small microplastics and nanoplastics in complex matrices}},
  year         = {{2022}},
}