ArticleScience advances2017
Multivalent ions induce lateral structural inhomogeneities in polyelectrolyte brushes.
Article in Science advances, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Full (Electro-)Chemical Control over the Aggregation State of Diblock Copolymer Mixtures Including Nonequilibrium Micelles.ACS polymers Au · 2026Article
- Close Contacts Unlocked: Nanopore-Stabilized Microvilli Bypass T Cell Receptor-Ligand-Dependent T Cell Activation.ACS nano · 2026Article
- Structural organization of HBV pgRNA genome driven by phase separation in capsid confinement.Nature communications · 2026Article
- Responsive Polyelectrolyte Brushes in Applications: Functions, Stimuli, and Design Considerations.Advanced materials (Deerfield Beach, Fla.) · 2025Review
- Ion Valency as a Molecular Switch for Salt-Resistant Underwater Adhesion.Advanced materials (Deerfield Beach, Fla.) · 2025Article
- Structural Effects of Multivalent Counterions in the Self-Assembly of Polyelectrolyte Copolymers.ACS omega · 2025Article
- Electroresponse of weak polyelectrolyte brushes.The European physical journal. E, Soft matter · 2023Article
- Adsorption of Mono- and Divalent Ions onto Dendritic Polyglycerol Sulfate (dPGS) as Studied Using Isothermal Titration Calorimetry.Polymers · 2023Article
- Self-assembled morphologies of polyelectrolyte-grafted nanoparticles directed by oppositely charged polymer matrices.RSC advances · 2022Article
- Stiffness Variation of 3D Collagen Networks by Surface Functionalization of Network Fibrils with Sulfonated Polymers.Gels (Basel, Switzerland) · 2021Article
- Article
- Theoretical Modeling of Chemical Equilibrium in Weak Polyelectrolyte Layers on Curved Nanosystems.Polymers · 2020Review
- Influence of Calcium Binding on Conformations and Motions of Anionic Polyamino Acids. Effect of Side Chain Length.Polymers · 2020Article
- The molecular mechanisms underlying mussel adhesion.Nanoscale advances · 2019Review
- New frontiers for the materials genome initiative.npj computational materials · 2019Article
- The interplay of nanointerface curvature and calcium binding in weak polyelectrolyte-coated nanoparticles.Biomaterials science · 2018Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Subtle details about a polyelectrolyte's surrounding environment can dictate its structural features and potential applications. Atomic force microscopy (AFM), surface forces apparatus (SFA) measurements, and coarse-grained molecular dynamics simulations are combined to study the structure of planar polyelectrolyte brushes [poly(styrenesulfonate), PSS] in a variety of solvent conditions. More specifically, AFM images provide a first direct visualization of lateral inhomogeneities on the surface of polyelectrolyte brushes collapsed in solutions containing trivalent counterions. These images are interpreted in the context of a coarse-grained molecular model and are corroborated by accompanying interaction force measurements with the SFA. Our findings indicate that lateral inhomogeneities are absent from PSS brush layers collapsed in a poor solvent without multivalent ions. Together, AFM, SFA, and our molecular model present a detailed picture in which solvophobic and multivalent ion-induced effects work in concert to drive strong phase separation, with electrostatic bridging of polyelectrolyte chains playing an essential role in the collapsed structure formation.
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Registered trials
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