ArticleBiomicrofluidics2011
Effects of chain stiffness and salt concentration on responses of polyelectrolyte brushes under external electric field.
Article in Biomicrofluidics, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
8 citing papers in PubMed, 39 citations in OpenAlex.
- Responsive Polyelectrolyte Brushes in Applications: Functions, Stimuli, and Design Considerations.Advanced materials (Deerfield Beach, Fla.) · 2025Review
- Molecular Design Strategies to Enhance the Electroresponse of Polyelectrolyte Brushes: Effects of Charge Fraction and Chain Length Dispersity.Macromolecules · 2025Article
- Electrical Chain Rearrangement: What Happens When Polymers in Brushes Have a Charge Gradient?Langmuir : the ACS journal of surfaces and colloids · 2024Article
- Luciferase-free Luciferin Electrochemiluminescence.Angewandte Chemie (International ed. in English) · 2022Article
- Effect of Counterion Valence on Conformational Behavior of Spherical Polyelectrolyte Brushes Confined between Two Parallel Walls.Polymers · 2018Article
- Article
- Electrically Responsive Surfaces: Experimental and Theoretical Investigations.Accounts of chemical research · 2016Review
- Translocation of nanoparticles through a polymer brush-modified nanochannel.Biomicrofluidics · 2012Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We report a molecular dynamics study on non-equilibrium dynamics of polyelectrolyte brushes under external electric fields. In this work, the effects of chain stiffness and salt concentration on static and dynamic responses of the brushes are addressed in detail. Our simulations indicate that varying these parameters induce rich electro-responsive behavior of the brushes. The increase of salt concentration results in the enhancement of an opposite electric field formed by non-equilibrium distribution of cations and anions, which resists stretching or shrinkage of grafted chains. At strong positive electric fields, the flexible brushes are more sensitive to the change of salt concentration. When reversing the electric field, the stiff brushes undergo a conformational transition from collapse to complete stretching. At high salt concentrations, dynamic responsive magnitude of the brush thickness to added electric field is strongly reduced. It was found that the fall time for the stiff brush becomes much shorter than that for the flexible brush. Additionally, increasing ion concentration leads to an excess extension or shrinkage of flexible brushes. For strongly stiff brushes, such phenomenon occurs in the presence or absence of salt.
Identifiers
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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.