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    Title: Electrophoresis of a spheroid along the axis of a cylindrical pore
    Authors: Hsu, Jyh-ping;Hung, Shih-hsing;Kao, Chen-yuan;曾琇瑱;Tseng, Shio-jenn
    Contributors: 淡江大學數學學系
    Keywords: Electrophoresis in cylindrical pore;Spheroid;Constant surface potential;Constant surface charge density
    Date: 2003-12-01
    Issue Date: 2010-01-28
    Publisher: Elsevier
    Abstract: The boundary effect in electrophoresis can play an important role in applications of practical significance; typical example includes the electrophoresis in a narrow space and that of a concentrated dispersion. This effect is investigated by analyzing the electrophoresis of a spheroid along the axis of an infinite non-conducting cylinder in this study for the case of low surface potential. In particular, the effects of particle aspect ratio, the ratio (linear size of particle/radius of pore), double layer thickness, and the charged conditions on particle surface on the electrophoretic behavior of a particle are discussed. Several interesting results are observed. For example, if the volume of a particle is fixed, its electrophoretic mobility has a local maximum as its aspect ratio varies. Also, if wall effect is important, the relative magnitudes of the electrophoretic mobility of a particle follow the order prolate < sphere < oblate, and the reverse is true if it is unimportant.
    Relation: Chemical Engineering Science 58(23-24), pp.5339-5347
    DOI: 10.1016/j.ces.2003.09.013
    Appears in Collections:[Graduate Institute & Department of Mathematics] Journal Article

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