Electrophoretic mobility of cylindrical soft particles |
| |
Authors: | H Ohshima |
| |
Institution: | (1) Faculty of Pharmaceutical Sciences Science University of Tokyo 12 Ichigaya Funagawara-machi Shinjuku-ku, Tokyo 162, Japan, JP |
| |
Abstract: | A general theory for the electrophoresis of a cylindrical soft particle (i.e., a cylindrical hard colloidal particle coated
with a layer of ion-penetrable polyelectrolytes) in an electrolyte solution in an applied transverse or tangential electric
field is proposed. This theory unites two different electrophoresis theories for cylindrical hard particles and for cylindrical
polyelectrolytes. That is, the general mobility expression obtained in this paper tends to the mobility expression for a cylindrical
hard particle for the case where the polyelectrolyte layer is absent or the frictional coefficient in the poly-electrolyte
layer becomes infinity, whereas it tends to that for a cylin-drical polyelectrolyte in the absence of the particle core. Simple
approximate analytic mobility expressions are also presented.
Received: 29 August 1996 Accepted: 7 November 1996 |
| |
Keywords: | Electrophoretic mobility cylindrical particle soft particle |
本文献已被 SpringerLink 等数据库收录! |
|