双膜系统中多组分非均相非离子溶液体积传输的模型方程。
A model equations of the volume transport of multicomponent and heterogeneous non-ionic solutions in double-membrane system.
作者信息
Slezak A
机构信息
Institute of Physics, Pedagogical University, ul Armia Krajowa 13/15, PL 42-201 Czestochowa, Poland.
出版信息
J Biol Phys. 1998 Mar;24(1):59-78. doi: 10.1023/A:1005017619003.
The volume flows model equation for a double-membrane system, in which two membranes separate three compartments (l,m,r) containing the heterogeneous, non-ionic n-component solutions is elaborated. In this system the solution concentrations fulfill the condition Clk > Cmk > Crk. The inter-membrane compartment (m) consists of the infinitesimal layer of solution. The volume of compartment m and external compartments (l and r) fulfill the conditions Vm→ 0 and Vl =Vr→∞ respectively. The linear dependences of the volume flux on concentration differences in binary solutions and nonlinear - in ternary solutions, were obtained. This model for binary and ternary non-electrolyte solutions is discussed. It is shown, that the double-membrane system has rectifying and amplifying properties for osmotic transport and mechanical pressure.
阐述了双膜系统的体积流模型方程，其中两层膜分隔了包含多组分非离子溶液的三个隔室（左、中、右）。在该系统中，溶液浓度满足条件Clk > Cmk > Crk。膜间隔室（中）由无限薄的溶液层组成。隔室m和外部隔室（左和右）的体积分别满足条件Vm→ 0和Vl =Vr→∞。得到了二元溶液中体积通量与浓度差的线性关系以及三元溶液中的非线性关系。讨论了该二元和三元非电解质溶液模型。结果表明，双膜系统对渗透传输和机械压力具有整流和放大特性。
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