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摘要翻译：
核酸过程的热力学主要受分子周围微离子的双电层的影响。我们着重研究了库仑对盐-聚电解质优先相互作用（Donnan）系数的贡献，并报道了在低盐浓度范围内（当聚离子半径小于Debye长度时）非常准确的分析表达式。分析是在Poisson-Boltzmann水平上，在圆柱几何中进行的，重点是高电荷的多离子（超越“反离子凝聚”）。结果对任何形式为$Z_-$:$Z_+$的电解质都成立。我们还得到了聚离子附近的电势的非常精确的表达式。
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英文标题：
《Preferential interaction coefficient for nucleic acids and other
cylindrical poly-ions》
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作者：
E. Trizac and G. Tellez
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最新提交年份：
2007
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分类信息：
一级分类：Physics 物理学
二级分类：Soft Condensed Matter 软凝聚态物质
分类描述：Membranes, polymers, liquid crystals, glasses, colloids, granular matter
膜，聚合物，液晶，玻璃，胶体，颗粒物质
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一级分类：Physics 物理学
二级分类：Statistical Mechanics 统计力学
分类描述：Phase transitions, thermodynamics, field theory, non-equilibrium phenomena, renormalization group and scaling, integrable models, turbulence
相变，热力学，场论，非平衡现象，重整化群和标度，可积模型，湍流
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英文摘要：
The thermodynamics of nucleic acid processes is heavily affected by the electric double-layer of micro-ions around the polyions. We focus here on the Coulombic contribution to the salt-polyelectrolyte preferential interaction (Donnan) coefficient and we report extremely accurate analytical expressions valid in the range of low salt concentration (when polyion radius is smaller than the Debye length). The analysis is performed at Poisson-Boltzmann level, in cylindrical geometry, with emphasis on highly charged poly-ions (beyond ``counter-ion condensation''). The results hold for any electrolyte of the form $z_-$:$z_+$. We also obtain a remarkably accurate expression for the electric potential in the vicinity of the poly-ion.
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PDF链接：
https://arxiv.org/pdf/704.0587
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