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首页> 外文会议>Canadian Congress of Applied Mechanics(CANCAM 2005); 20050530-0602; Montreal(CA) >Electrokinetic transport in polymer gels with spherical charged inclusions
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Electrokinetic transport in polymer gels with spherical charged inclusions

机译：带球形夹杂物的聚合物凝胶中的电动迁移

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摘要

Electrokinetic transport plays an important role in mi-crofluidics applications, where, for example, electroos-motic 'slip' at a microchannel wall produces a uniform, laminar velocity profile. Electrokinetic transport also plays a key role in diagnostic techniques for characterizing colloidal dispersions. For example, electroosmotic flow at the surfaces of charged particles dispersed in an electrolyte endows particles with an electrophoretic mobility, which is routinely measured. Theoretical interpretation of the mobility, sedimentation potential, low-frequency conductivity, dielectric response (complex conductivity), and electroacoustic response (dynamic mobility) of dispersions infers the size and charge of the constituent (sub-micron) colloids. Closely related are streaming-potential and streaming-current devices, which are used to 'measure' the charge on macroscopic substrates, as well as the charge density and permeability of porous plugs and coatings [e.g., 9, 10].
机译：电动传输在微流体应用中起着重要作用，例如，微通道壁上的电渗“滑移”会产生均匀的层流速度分布。电动迁移在表征胶体分散体的诊断技术中也起着关键作用。例如，分散在电解质中的带电粒子的表面处的电渗流赋予了粒子以电泳迁移率的能力，这是常规测量的。分散体的迁移率，沉降电势，低频电导率，介电响应（复数电导率）和电声响应（动态迁移率）的理论解释可推断出组成（亚微米）胶体的大小和电荷。密切相关的是流电势设备和流电设备，用于“测量”宏观基材上的电荷以及多孔塞和涂层的电荷密度和磁导率[例如9、10]。

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