ArticleNature communications2018
Disentangling entanglements in biopolymer solutions.
Article in Nature communications, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Conformational dynamics of exopolysaccharides underlie biofilm matrix mechanics inbioRxiv : the preprint server for biology · 2026Article
- Editorial to the Special Issue "Theoretical and Computational Polymer Science: Physics, Chemistry, and Biology".Polymers · 2025Article
- Giant activity-induced elasticity in entangled polymer solutions.Nature communications · 2025Article
- Parameter efficient multi-model vision assistant for polymer solvation behaviour inference.npj computational materials · 2025Article
- Polymers in Physics, Chemistry and Biology: Behavior of Linear Polymers in Fractal Structures.Polymers · 2024Review
- High Molecular Weight Protein-Like Semiflexible Chains via Bioorthogonal Polymerization of Coiled-Coil Peptides.Macromolecules · 2024Article
- Validation and Refinement of Unified Analytic Model for Flexible and Semiflexible Polymer Melt Entanglement.Macromolecules · 2022Article
- Constraint Release for Reptating Filaments in Semiflexible Networks Depends on Background Fluctuations.Polymers · 2022Article
- A geometric criterion for the optimal spreading of active polymers in porous media.Nature communications · 2021Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Reptation theory has been highly successful in explaining the unusual material properties of entangled polymer solutions. It reduces the complex many-body dynamics to a single-polymer description, where each polymer is envisaged to be confined to a tube through which it moves in a snake-like fashion. For flexible polymers, reptation theory has been amply confirmed by both experiments and simulations. In contrast, for semiflexible polymers, experimental and numerical tests are either limited to the onset of reptation, or were performed for tracer polymers in a fixed, static matrix. Here, we report Brownian dynamics simulations of entangled solutions of semiflexible polymers, which show that curvilinear motion along a tube (reptation) is no longer the dominant mode of dynamics. Instead, we find that polymers disentangle due to correlated constraint release, which leads to equilibration of internal bending modes before polymers diffuse the full tube length. The physical mechanism underlying terminal stress relaxation is rotational diffusion mediated by disentanglement rather than curvilinear motion along a tube.
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