Journal
INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT
Volume 13, Issue 3, Pages 470-475Publisher
WILEY
DOI: 10.1002/ieam.1901
Keywords
Microplastics; Nanoplastics; Physiochemical properties; Ecotoxicity; Synthetic polymers
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Funding
- European Union under the Marie Sklodowska-Curie Horizon programme [660306]
- German Federal Ministry for Transportation and Digital Infrastructure
- German Federal Ministry for Education and Research [02WRS1378, 01UU1603]
- Marie Curie Actions (MSCA) [660306] Funding Source: Marie Curie Actions (MSCA)
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Microplastic is an umbrella term that covers many particle shapes, sizes, and polymer types, and as such the physical and chemical properties of environmental microplastics will differ from the primary microbeads commonly used for ecotoxicity testing. In the present article, we discuss the physical and chemical properties of microplastics that are potentially relevant to their ecotoxicity, including particle size, particle shape, crystallinity, surface chemistry, and polymer and additive composition. Overall, there is a need for a structured approach to the testing of different properties to identify which are the most relevant drivers of microplastic toxicity. In addition, the properties discussed will be influenced by and change depending on environmental conditions and degradation pathways. Future challenges include new technologies that will enter the plastic production cycle and the impact of these changes on the composition of environmental microplastics. Integr Environ Assess Manag 2017;13:470-475. (c) 2017 SETAC
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