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Effect of Isomeric Polysaccharides on Heteroaggregation of Nanoplastics: Synergies of Morphology and Molecular Conformation
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Effect of isomeric polysaccharides on heteroaggregation of nanoplastics in high ionic strength conditions: Synergies of morphology and molecular conformation
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Researchers investigated how two structurally similar plant polysaccharides — cellulose and amylose — differently affect the clumping of nanoplastics in high-salt conditions, finding that cellulose's rougher surface morphology and stronger van der Waals forces accelerated aggregation far more than amylose, demonstrating that subtle molecular structure differences can govern nanoplastic stability in natural waters.
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A study of submicron particles shed from synthetic textiles revealed a continuum between nanoplastics and oligomers, providing insight into their molecular origins and physicochemical properties. Understanding this transition zone is critical because nanoplastic-scale particles and plastic-derived oligomers are the least studied and potentially most biologically active fraction of microplastic pollution.
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