Browsing by Author "Sut, Pinar Akkus"

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Combined approaches for detecting polypropylene microplastics in crop plants
(Academic Press Ltd- Elsevier Science Ltd, 2023) Acar, Özge; Unek, Ceren; Sut, Pinar Akkus; Acar, Ozge Karabiyik; Yurtsever, Meral; Sahin, Fikrettin; Genetik ve Biyomühendislik / Genetic and Bio-Engineering
Microplastics (MPs) pollution in the terrestrial environment causes accumulation in crop plants. Consumption of these plants may have negative effects on human health. Therefore, it is crucial to analyze MPs accumulation in the plants. The aim of this study is to determine polypropylene (PP) particles in plants exposed to label-free PP for 75 days. In order to extract PP from organic matter, a two-step alkaline and wet peroxide oxidation chemical digestion method was applied to the roots, stems, and leaves of maize and wheat. The PP particles in the digested solutions were detected by the Nile red staining method, which has not been used previously in the detection of MPs in plants. Nile red stained PP particles mostly accumulated in the roots of wheat and the stems of maize plants. Statistical analysis revealed that the maize deposited more and larger PP particles regardless of the location. Moreover, the presence of PP particles in the digestion solutions was proved by the heating method. The PP particles on the glass slides were transformed into different shapes due to melting.