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    題名: Electrophoresis of Two Spheres: Influence of Double Layer and van der Waals Interactions
    作者: Tseng, Shiojenn;Huang, C. H.;Hsu, J. P.
    關鍵詞: Electrophoresis;Two spheres;Electric double layer force;Van der Waals force
    日期: 2015-08-01
    上傳時間: 2017-02-24 02:10:49 (UTC+8)
    摘要: Considering recent applications of electrophoresis conduced in nanoscaled devices, where particle–particle interaction can play a role, we studied for the first time the electrophoresis of two rigid spheres along their center line, taking account of the hydrodynamic, electric, and van der Waals interactions between them. Under the conditions of constant surface potential and surface charge density, the influences of the level of surface potential/charge density, the bulk salt concentration, and the particle–particle distance on their electrokinetic behaviors are examined. Numerical simulation reveals that these behaviors are much more complicated and interesting than those of isolated particles. In particular, we show that care must be taken in choosing an appropriate particle concentration in relevant experiment to avoid obtaining unreliable mobility data.
    關聯: Journal of Colloid and Interface Science 451, pp.170-176
    DOI: 10.1016/j.jcis.2015.03.060
    顯示於類別:[數學學系暨研究所] 期刊論文

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