ArticleSoft matter2022
To thread or not to thread? Effective potentials and threading interactions between asymmetric ring polymers.
Article in Soft matter, 2022. 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, 20 citations in OpenAlex.
- Molecular Dynamics of a Polymer Blend Model on a Solid Substrate.Molecules (Basel, Switzerland) · 2025Article
- Kinetoplast DNA: a polymer physicist's topological Olympic dream.Nucleic acids research · 2025Review
- Article
- Measuring Topological Constraint Relaxation in Ring-Linear Polymer Blends.Physical review letters · 2024Article
- Unified understanding of the impact of semiflexibility, concentration, and molecular weight on macromolecular-scale ring diffusion.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Geometric learning of knot topology.Soft matter · 2023Article
- Unraveling the Glass-like Dynamic Heterogeneity in Ring Polymer Melts: From Semiflexible to Stiff Chain.ACS polymers Au · 2023Article
- Cluster Formation in Solutions of Polyelectrolyte Rings.ACS nano · 2023Article
- Mixing Linear Polymers with Rings and Catenanes: Bulk and Interfacial Behavior.Macromolecules · 2023Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We use computer simulations to study a system of two unlinked ring polymers, whose length and bending stiffness are systematically varied. We derive the effective potentials between the rings, calculate the areas of minimal surfaces of the same, and characterize the threading between them. When the two rings are of the same kind, threading of a one ring through the surface of the other is immanent for small ring-ring separations. Flexible rings pierce the surface of the other ring several times but only shallowly, as compared to the stiff rings which pierce less frequently but deeply. Typically, the ring that is being threaded swells and flattens up into an oblate-like conformation, while the ring that is threading the other takes a shape of an elongated prolate. The roles of the threader and the threaded ring are being dynamically exchanged. If, on the other hand, the rings are of different kinds, the symmetry is broken and the rings tend to take up roles of the threader and the threaded ring with unequal probabilities. We propose a method how to predict these probabilities based on the parameters of the individual rings. Ultimately, our work captures the interactions between ring polymers in a coarse-grained fashion, opening the way to large-scale modelling of materials such as kinetoplasts, catenanes or topological brushes.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.