扩散在双分子溶液动力学中的作用。
The role of diffusion in bimolecular solution kinetics.
作者信息
Schurr J M
出版信息
Biophys J. 1970 Aug;10(8):700-16. doi: 10.1016/S0006-3495(70)86330-5.
Abstract
An appropriate boundary condition is derived which permits both the bimolecular association and dissociation steps to be simultaneously treated within the framework of the theory of Smoluchowski, Debye, and Collins, and Kimball. Kinetic theory expressions are derived for the intrinsic rate constants. The transient case of the suddenly switched-on reaction is considered as well as the suddenly perturbed equilibrium, but only the time dependence of the rate constants is obtained. The frequency response spectrum for a diffusion-controlled reaction is obtained in the linear approximation and compared with the corresponding Debye relaxation spectrum.
摘要
推导了一个合适的边界条件，该条件允许在斯莫卢霍夫斯基、德拜、柯林斯和金博尔理论框架内同时处理双分子缔合和解离步骤。推导了本征速率常数的动力学理论表达式。考虑了突然开启反应的瞬态情况以及突然扰动的平衡，但仅得到了速率常数的时间依赖性。在线性近似下获得了扩散控制反应的频率响应谱，并与相应的德拜弛豫谱进行了比较。
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