Concentration profiles of colloidal mixtures in a cylindrical pore

The concentration profiles of a model colloidal mixture inside a charged cylindrical pore are studied theoretically and by computer simulations. The theoretical structure of the colloidal mixture is obtained by employing the basic chemical equilibrium equations from which the concentration profiles can be expressed in terms of a set of integral equations. The pair potential between particles is taken to be the repulsive part of the Derjaguin-Landau-Verwey-Overbeek potential. Simulation results are also presented in order to assess the accuracy of the theoretical predictions. © 1998 The American Physical Society.

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