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首页> 外文期刊>Biophysical Chemistry: An International Journal Devoted to the Physical Chemistry of Biological Phenomena >Counterion condensation as saturation effect under the influence of ion hydration.
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Counterion condensation as saturation effect under the influence of ion hydration.

机译：抗衡离子的凝结是在离子水化作用下的饱和作用。

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摘要

Polyelectrolyte solutions are often described by structural theories. These theories in some cases yield values for the counterion concentration at the charged monomer surface that exceed the saturation concentration. This means a change of the ion properties due to ion immobilization or ion condensation in close vicinity to the polymer chain. The extent of this counterion condensation (CIC) and the respective surface potential are calculated from the saturation concentrations of the electrolyte involved including the influence of ion hydration on the effective dielectric number. In this paper, we shall consider all these influences by a fundamental differential equation and a set of explicit formulae yielding quantitative expressions without linearization. All calculations are based on the abstraction of an idealized elementary cell.
机译：聚电解质溶液通常由结构理论描述。在某些情况下，这些理论得出的带电单体表面抗衡离子浓度的值超过了饱和浓度。这意味着由于聚合物链附近的离子固定或离子缩合而引起的离子性质的变化。该抗衡离子缩合（CIC）的程度和相应的表面电势是根据所涉及电解质的饱和浓度（包括离子水合对有效介电数的影响）计算得出的。在本文中，我们将通过一个基本的微分方程和一组不带线性化的定量表达式来考虑所有这些影响。所有计算均基于理想化基本单元的抽象。

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