The microrheology of colloidal dispersions

by: TGM van de Ven, SG Mason

Colloid & Polymer Science, Vol. 255, No. 8. (1977), pp. 794-804.

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Abstract

Summary A theory of doublet formation, the first step in coagulation of dilute monodisperse spherical sols subjected to shearing motion, in which Brownian motion dominates the effects of shear is presented. Contrary to Smoluchowski's predictions, it is found that the increase in the rate of coagulation due to shear is not proportional to the shear rateG, but toG1/2 with the proportionality constant depending on the perikinetic capture efficiency, the translational diffusion constant and sphere radius. With non-spherical particles the increase rate due to shear also varies with G1/2 and depends, in addition, on particle size and shape.

@article{citeulike:2735317, abstract = {Summary A theory of doublet formation, the first step in coagulation of dilute monodisperse spherical sols subjected to shearing motion, in which Brownian motion dominates the effects of shear is presented. Contrary to Smoluchowski's predictions, it is found that the increase in the rate of coagulation due to shear is not proportional to the shear rateG, but toG1/2 with the proportionality constant depending on the perikinetic capture efficiency, the translational diffusion constant and sphere radius. With non-spherical particles the increase rate due to shear also varies with G1/2 and depends, in addition, on particle size and shape.}, author = {van de Ven, T. G. M. and Mason, S. G. }, citeulike-article-id = {2735317}, doi = {10.1007/BF01664449}, journal = {Colloid \& Polymer Science}, keywords = {function, mason, microrheology}, number = {8}, pages = {794--804}, posted-at = {2008-04-29 21:04:35}, priority = {2}, title = {The microrheology of colloidal dispersions}, url = {http://dx.doi.org/10.1007/BF01664449}, volume = {255}, year = {1977} }

RIS record

TY - JOUR ID - citeulike:2735317 TI - The microrheology of colloidal dispersions JF - Colloid & Polymer Science VL - 255 IS - 8 SP - 794 EP - 804 N2 - Summary A theory of doublet formation, the first step in coagulation of dilute monodisperse spherical sols subjected to shearing motion, in which Brownian motion dominates the effects of shear is presented. Contrary to Smoluchowski's predictions, it is found that the increase in the rate of coagulation due to shear is not proportional to the shear rateG, but toG1/2 with the proportionality constant depending on the perikinetic capture efficiency, the translational diffusion constant and sphere radius. With non-spherical particles the increase rate due to shear also varies with G1/2 and depends, in addition, on particle size and shape. KW - function KW - mason KW - microrheology AU - van de Ven, TGM AU - Mason, SG PY - 1977//01/ UR - http://dx.doi.org/10.1007/BF01664449 ER -

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