Electrophoresis of an Ellipsoid along the Axis of a Cylindrical Pore:  Effect of a Charged Boundary

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题名:	Electrophoresis of an Ellipsoid along the Axis of a Cylindrical Pore: Effect of a Charged Boundary
作者:	曾琇瑱;Tseng, Shiojenn;Cho, Chia-hua;Chen, Zheng-syun;Hsu, Jyh-ping
贡献者:	淡江大學數學學系
日期:	2008-03-01
上传时间:	2010-08-09 16:42:12 (UTC+8)
出版者:	American Chemical Society (ACS)
摘要:	The influence of a charged boundary on the electrophoretic behavior of a particle is investigated by considering the electrophoresis of a nonconducting ellipsoid along the axis of a cylindrical pore at the level of the linear Poisson−Boltzmann equation ignoring the polarization effect. The problem considered simulates the electrophoresis conducted in a narrow space such as capillary electrophoresis and electrophoresis through a porous medium. Here, because the effect of electroosmotic flow can be important the electrophoretic behavior is much more complicated than that for the case where a boundary is uncharged. The influences of the thickness of double layer, the aspect ratio of an ellipsoid, the relative radius of a pore, and the charge conditions on the ellipsoid and pore surfaces on the mobility of the ellipsoid are discussed. Several interesting but nonintuitive electrophoretic behaviors are observed.
關聯:	Langmuir 24(6), pp.2929-2937
DOI:	10.1021/la703195f
显示于类别:	[數學學系暨研究所] 期刊論文

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