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Method of manufacturing and staining microplastics for using in the biological experiments

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Abstract

Nowadays, plastic pollution attracts much attention both from society and scientists. The plastic pollution impact on the environment and human health requires assessment urgently, especially through experimental studies. However, such studies are still scarce because of the lack of standard methods for assessing their effects on living organisms. We have developed a process for manufacturing and staining PVC microparticles for using them in biological and ecological experiments. The electrospinning method has been used to manufacture PVC particles; their morphology and size have been analyzed. The obtained PVC particles are of narrow size range averaging 2–4 µm in diameter. They are successfully stained with the fluorescent dye Rhodamine B, which stands for the experiments performed in the seawater.

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Funding

The experiments on fabricating and staining PVC microparticles were financially supported by ITMO University (project number 620170). The experiments with Pseudocalanus spp. were performed within the State Assignment for the Zoological Institute of Russian Academy of Sciences (theme no. AAAA-A19-119022690122–5).

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Mayya V. Uspenskaya and Roman O. Olekhnovich conceived of the presented idea. Pham Le Quoc, Maria I. Fokina, and Daria M. Martynova designed the study. Material preparation, data collection, and analysis were performed by Pham Le Quoc, Maria I. Fokina, and Daria M. Martynova. The first draft of the manuscript was written by Pham Le Quoc, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Pham Le Quoc.

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The authors declare no competing interests.

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Le Quoc, P., Fokina, M.I., Martynova, D.M. et al. Method of manufacturing and staining microplastics for using in the biological experiments. Environ Sci Pollut Res 29, 67450–67455 (2022). https://doi.org/10.1007/s11356-022-22776-5

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  • DOI: https://doi.org/10.1007/s11356-022-22776-5

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