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Binding of nanoplastics onto a cellulose film
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Researchers studied how nanoplastic particles bind to thin cellulose films, finding that neutral nanoplastics adsorb more strongly than negatively charged ones due to electrostatic repulsion. The results are relevant to understanding how nanoplastics interact with plant cell walls and other biological surfaces in the environment.
We report on the binding of nanoplastics onto a thin film of cellulose - the primary structural component of the cell-wall of green plants, many forms of algae and the oomycetes. The binding capacities of neutral and negatively charged nanoplastics were compared. Data from a fluorescence microplate reader showed that the adsorption of the neutral nanoplastic beads to be stronger than that of the negatively charged beads. A Freundlich adsorption isotherm was fitted to the experimental data and the binding constants were determined. Furthermore, the effect of solvent salinity on the binding was investigated. Our study provides an efficient method for evaluating the potential hazardous effects of nanoplastic particles in the environment.
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Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.