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Additional file 3 of Uptake of different-sized microplastic particles in skin and corneal epithelial cells from Atlantic salmon
Summary
This supplementary video shows tiny plastic particles (about the width of a human hair) being carried along inside salmon skin cells as they move, suggesting the cells actively transport the particles rather than just trapping them passively. While this study focuses on fish, it helps scientists understand how microplastics might get absorbed through skin and other tissues in animals—research that could eventually inform how these particles interact with human cells too.
Additional file 3. Supplementary video 2: Close-up of cells in a sheath transporting 12 µm polystyrene particles. Four large particles can be identified in the lower right at the start of the video by their dark outlines and bright centers. They are carried along as the mass of cells moves upward and toward the left. The particles seem to follow along with the same individual cells, although this is more readily apparent for the two lowest particles as their carrier cells become temporarily isolated from the larger cell mass.