Evaluation of Microplastic Toxicity in Drinking Water Using Different Test Systems
Salikova N.S. Lovinskaya A.V. Kolumbayeva S.Z. Bektemissova A.U. Urazbayeva S.E. Rodrigo-Clavero M.-E. Rodrigo-Ilarri J.
November 2024Multidisciplinary Digital Publishing Institute (MDPI)
Water (Switzerland)
2024#16Issue 22
Microplastic pollution poses a significant threat to environmental and human health. This study investigated the toxicological and genotoxic effects of various microplastic types (polystyrene (PS), polyethylene terephthalate (PET), polypropylene (PP), and polyethylene (PE)) on plant and animal models. Aqueous extracts of microplastics in different size fractions (0.175 mm, 0.3 mm, 1 mm, 2 mm, and 3 mm) were evaluated for their impact on barley seed germination and cell division. Results indicated that smaller microplastic fractions exhibited higher toxicity, particularly for PP and PE. Significant reductions in germination rates and root growth were observed, along with increased chromosomal aberrations in barley cells. Furthermore, the migration of formaldehyde, a known toxicant, from microplastics exceeded permissible limits. These findings highlight the potential risks associated with microplastic pollution, particularly in drinking water sources. Future research should focus on the long-term health impacts of microplastic exposure, including carcinogenic potential, and explore the synergistic effects with other pollutants. Stricter regulations on microplastic pollution and advancements in water treatment technologies are urgently needed to mitigate these risks.
acute toxicity , microplastic , mutagenicity , phytotoxicity , toxicant migration
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Department of Ecology, Life Safety and Environmental Protection, Abay Myrzakhmetov Kokshetau University, Kokshetau, 020000, Kazakhstan
Department of Molecular Biology and Genetics, Al-Farabi Kazakh National University, Almaty, 050000, Kazakhstan
Department of Chemistry and Technology of Organic Substances, Natural Compounds and Polymers, Al-Farabi Kazakh National University, Almaty, 050000, Kazakhstan
Instituto de Ingeniería del Agua y del Medio Ambiente (IIAMA), Universitat Politècnica de València, Valencia, 46022, Spain
Department of Ecology
Department of Molecular Biology and Genetics
Department of Chemistry and Technology of Organic Substances
Instituto de Ingeniería del Agua y del Medio Ambiente (IIAMA)
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