2022
DOI: 10.1021/acs.macromol.2c00977
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Combined Simulation and Experimental Study of Polyampholyte Solution Properties: Effects of Charge Ratio, Hydrophobic Groups, and Polymer Concentration

Abstract: Polyampholytes are polymers with both cationic and anionic monomers that have many features in common with proteins. These molecules have many applications associated with their natural biocompatibility and their propensity to form viscoelastic fluids and gels due to their common tendency to form self-assembled structures in solution. Recently, advances in the synthesis capabilities have enabled the fine-tuning of the monomer structure and composition, such as the sequence and ratio of the charged and hydropho… Show more

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Cited by 6 publications
(5 citation statements)
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“…As mentioned above the PA periodic structure imposes the equality 2( δc + + δc – ) = δc 0 for fluctuations more extended than the distance between three consecutive monomers (here, π/ q ★ ≈ 17 a ≈ 7σ). The wavelength 2π/ q ★ ≈ 14σ corresponds possibly to connected micelles in the strong segregation limit …”
Section: Aggregation and Microphase Separationsupporting
confidence: 83%
See 3 more Smart Citations
“…As mentioned above the PA periodic structure imposes the equality 2( δc + + δc – ) = δc 0 for fluctuations more extended than the distance between three consecutive monomers (here, π/ q ★ ≈ 17 a ≈ 7σ). The wavelength 2π/ q ★ ≈ 14σ corresponds possibly to connected micelles in the strong segregation limit …”
Section: Aggregation and Microphase Separationsupporting
confidence: 83%
“…The wavelength 2π/q ★ ≈ 14σ corresponds possibly to connected micelles in the strong segregation limit. 7 The unstable mode for IN at concentration c̃= 0.1 forms approximately with q ★ = 0.19a −1 at the excluded volume v = −0.58a 3 . In these conditions of concentration and excluded volume, the lowest eigenvalue −0.002 is very small in magnitude as compared to positive ones (∼10 2−3 ).…”
Section: ■ Aggregation and Microphase Separationmentioning
confidence: 94%
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“…Each dimer consists of two coarse-grained beads connected by a harmonic bond potential with equilibrium distance r 0 = 0.95σ, and spring constant k = 100ε/σ 2 . Beads that are not bonded to each other interact through a Lennard–Jones (LJ) interaction with size parameter σ = 1 and strength ε = 1. Each bead is taken to have a unit mass, and all units are expressed in terms of reduced LJ units. We use 1000 dimers in a cubic box with periodic boundary conditions in all directions for our simulations.…”
Section: Modeling and Simulation Detailsmentioning
confidence: 99%