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A critical review on the impacts of nanoplastics and microplastics on aquatic and terrestrial photosynthetic organisms

Abstract : Microplastic and nanoplastic contamination is widespread and affects aquatic and terrestrial ecosystems. Photosynthetic organisms are present in both media, they are primary producers, sink for CO2, and they represent a major point of entry in the food chain. Here, the current knowledge on the fate and impacts of microplastics and nanoplastics in interaction with these organisms has been reviewed. As a general trend, plastic characteristics (smaller size and positive charge) play a crucial role in their toxicity towards photosynthetic organisms. Plastic leachates (containing additives) represent also a major source of toxicity, and some harmful compounds such as phthalate esters have been shown to accumulate in plants and generate a risk for the consumers. Adsorption of plastic particles has been evidenced for each type of photosynthetic organism, and uptake and translocation in terrestrial plants was evidenced for nanoplastics, leading to concerns for trophic chain contamination. The available techniques for the detection of microplastics and nanoplastics and their secondary products in biological samples and media are also listed. Finally, the current gaps of knowledge, specific challenges, and future research directions were also discussed.
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https://hal.archives-ouvertes.fr/hal-03373004
Contributor : Camille Larue Connect in order to contact the contributor
Submitted on : Monday, October 11, 2021 - 11:38:59 AM
Last modification on : Tuesday, October 19, 2021 - 11:10:05 PM
Long-term archiving on: : Wednesday, January 12, 2022 - 7:27:10 PM

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  • HAL Id : hal-03373004, version 1

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Camille Larue, Geraldine Sarret, Hiram Castillo-Michel, Ana Pradas, Del Real. A critical review on the impacts of nanoplastics and microplastics on aquatic and terrestrial photosynthetic organisms. Small, Wiley-VCH Verlag, 2021. ⟨hal-03373004⟩

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