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Cited by 14Microplastics and Plastic PollutionEffects and risks of endocrine disrupting chemicalsPharmaceutical and Antibiotic Environmental Impacts

Adsorption of di (2-ethylhexyl) phthalate (DEHP) to microplastics in seawater: a comparison between pristine and aged particles

Pan, Ke, Chen, Ciara Chun, Lin, Lin, Xu, Huo, Chen, Fengyuan, Li, Yanping, Zhu, Xiaoshan, Ma, Jie +1 more·2022·Bulletin of Environmental Contamination and Toxicology
DOI 10.1007/s00128-022-03570-y
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Abstract

Microplastics (MPs) are a widely distributed pollutant and have been attracting global attention. The increasing abundance of MPs in marine environments has raised concern about their adverse effects on marine organisms and influence on the fate of contaminants in seawater. In this study, we investigated the effects of natural aging on the adsorption of di (2-ethylhexyl) phthalate (DEHP), one of the most widely used phthalic acid esters (PAEs), in two types of MPs (polyethylene and polystyrene). Biofilm was observed on the surface of MPs after 3-month exposure in seawater. Atomic force microscopy revealed there were significant physical changes in the MPs after aging. Aging in coastal seawater for 3 months significantly reduced the MPs' surface roughness and adhesion, and increased the Young's modulus at the same time. Adsorption isotherms of DEHP indicated that aged MPs had stronger binding capacity of the organic contaminant than pristine MPs. Our data shed some light on the biogeochemical role of MPs in marine environments.

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  • For MPs, sorption dynamics and particle aging further complicate assessments by modifying contaminant bioavailability and uptake.

    “For MPs, sorption dynamics and particle aging further complicate assessments by modifying contaminant bioavailability and uptake (Pan et al., 2022).”

    From Trophic transfer of polyester microfibres across a multi-level marine food web. (2025) · cites this paper as Pan et al., 2022

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References 40 · Cited by 14

Authors
Pan, K., Chen, C. C., Lin, L., Xu, H., Chen, F., Li, Y., Zhu, X., Ma, J., & Lan, W.
Affiliations
  • Shenzhen University (CN)
  • Tsinghua Shenzhen International Graduate School (CN)
Corresponding author
Lan, Wenlu
ORCID
Venue
Bulletin of Environmental Contamination and Toxicology
Publisher
Springer Science and Business Media LLC
Published
2022-08-03
Volume
109
Issue
5
Pages
776-782
ISSN
  • 0007-4861 (ISSN-L)
  • 1432-0800
DOI
10.1007/s00128-022-03570-y
OpenAlex
W4289544688
Cited by
14
References
40
Citations by year
2026: 2 · 2025: 5 · 2024: 4 · 2023: 2 · 2022: 1
FWCI
0.71
Type
journal article
Language
en
Open access
closed
Licence
Locations
  • Bulletin of Environmental Contamination and Toxicology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Shenzhen Fundamental Research and Discipline Layout project (JCYJ20180507182227257)
  • Shenzhen Technology Development Program (KQTD20180412181334790)
  • Natural Science Foundation of Guangxi Province (GUIKE AB20297018)
  • Young Scientists Fund (42006141)
  • Basic and Applied Basic Research Foundation of Guangdong Province (2019A1515011630)
Topics
  • Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Effects and risks of endocrine disrupting chemicals
  • Physical Sciences › Environmental Science › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
Keywords
microplastics, DEHP, phthalates, adsorption, microplastic aging, polyethylene, polystyrene, biofilm, surface roughness, Young's modulus, adsorption isotherms, marine pollution, seawater
MeSH terms
Microplastics, Adsorption, Dibutyl Phthalate, Diethylhexyl Phthalate, Esters, Phthalic Acids, Plastics, Seawater

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