生物膜中的布朗运动。
Brownian motion in biological membranes.
作者信息
Saffman P G, Delbrück M
出版信息
Proc Natl Acad Sci U S A. 1975 Aug;72(8):3111-3. doi: 10.1073/pnas.72.8.3111.
Abstract
Brownian motion (diffusion) of particles in membranes occurs in a highly anisotropic environment. For such particles a translational mobility (independent of velocity) can be defined if the viscosity of the liquid embedding the membrane is taken into account. The results of a model calculation are presented. They suggest that for a realistic situation translational diffusion should be about four times faster in relation to rotational diffusion than in the isotropic case.
摘要
膜中粒子的布朗运动（扩散）发生在高度各向异性的环境中。对于此类粒子，如果考虑嵌入膜的液体的粘度，就可以定义一个平动迁移率（与速度无关）。本文给出了模型计算的结果。结果表明，在实际情况下，平动扩散相对于转动扩散的速度应该比在各向同性情况下快约四倍。
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Proc Natl Acad Sci U S A. 1975 Aug;72(8):3111-3. doi: 10.1073/pnas.72.8.3111.
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本文引用的文献
1
Lateral diffusion of rhodopsin in the photoreceptor membrane.视紫红质在光感受器膜中的侧向扩散。
Nature. 1974 Feb 15;247(5441):438-41. doi: 10.1038/247438a0.
2
Lateral diffusion of phodopsin in Necturus rods.视紫红质在泥螈视杆细胞中的侧向扩散。
Exp Eye Res. 1973 Dec 24;17(6):503-10. doi: 10.1016/0014-4835(73)90079-1.
3
Rotational diffusion of rhodopsin in the visual receptor membrane.视紫红质在视觉受体膜中的旋转扩散。
Nat New Biol. 1972 Mar 15;236(63):39-43. doi: 10.1038/newbio236039a0.
4
Rotational and translational diffusion in membranes.膜中的旋转和平动扩散。
Annu Rev Biophys Bioeng. 1974;3(0):179-201. doi: 10.1146/annurev.bb.03.060174.001143.
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