1978
DOI: 10.1002/bip.1978.360170210
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Relaxation and electrophoretic effects in polyelectrolyte solutions. I. Salt‐free solutions

Abstract: SynopsisRelations between relaxation and electrophoretic effects in salt-free polyelectrolyte solutions are studied in terms of nonequilibrium thermodynamics and of binary friction coefficients. The significance and the method of determining these coefficients are explained. Consideration of experimental results and of long-and short-range interactions suggests that the concept of "ion condensation" is needed to provide a consistent description of transport processes for linear flexible polyelectrolytes. Empir… Show more

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Cited by 6 publications
(5 citation statements)
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“…A polyion in dilute solution is surrounded by an oppositely charged atmosphere whose spatial distribution is distorted and becomes asymmetric in the presence of an external electric field. As a consequence, in calculating the electrophoretic coefficient, the effect of the resulting 'asymmetry field' must be summed up to the external electric field effect [160,161].…”
Section: Manning Model For Dilute Solutionsmentioning
confidence: 99%
See 1 more Smart Citation
“…A polyion in dilute solution is surrounded by an oppositely charged atmosphere whose spatial distribution is distorted and becomes asymmetric in the presence of an external electric field. As a consequence, in calculating the electrophoretic coefficient, the effect of the resulting 'asymmetry field' must be summed up to the external electric field effect [160,161].…”
Section: Manning Model For Dilute Solutionsmentioning
confidence: 99%
“…The 'structural unit'that should be used in calculating the friction coefficient (equation ( 74)) is the correlation blob. Taking into account the asymmetry field effect [122,160,161], the friction coefficient for a random coil [163] of N/g statistical units of length ξ is given by…”
Section: Scaling Models For Semi-dilute Solutionsmentioning
confidence: 99%
“…Additional theories for polyelectrolyte electrophoresis have been developed by Hermans and Fujita , (porous sphere model), Overbeek and Stigter (porous sphere model), Takahashi et al (Poisson−Boltzmann rod model without relaxation effects), Abramson et al (Debye−Hückel rod model with incorrect orientational averaging), Mills (Poisson−Boltzmann rod model with incorrect orientational averaging and no relaxation effects), Imai and Iwasa (free-draining Poisson−Boltzmann coil model with unspecified chain friction constant), Schmitt et al , (phenomenological Debye−Hückel theory invoking empirical binary friction coefficients), van der Drift et al (Poisson−Boltzmann rod model with semiempirical relaxation correction), Long et al , (Zimm model with localized forces and no relaxation correction), and Allison et al ,, (boundary element methodology to describe the hydrodynamics and Poisson−Boltzmann electrostatics of arbitrarily shaped and charged rigid polyions).…”
Section: Theorymentioning
confidence: 99%
“…Several other models for pure polyelectrolyte solutions without added salt based on thermodynamics or scaling descriptions and also for polyelectrolyte solutions with an excess of low molar mass electrolyte , have been published. At present, models are under discussion which are based on ionic transport processes in terms of the dynamic frictional formalism of nonequilibrium thermodynamics .…”
Section: Introductionmentioning
confidence: 99%