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首页> 外文期刊>IEE Proceedings. Part M, Nanobiotechnology >Dielectrophoresis of reverse phase emulsions
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Dielectrophoresis of reverse phase emulsions

机译：反相乳液的介电泳

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摘要

Reverse miniemulsions, emulsions of droplets of size 200 nm-1 (mu)m of a polar liquid dispersed in an apolar continuous liquid phase, exhibit strong electrokinetic responses in low-frequency electric fields. The electrokinetic behaviour of a reverse miniemulsion, previously developed for use as electronic paper, has been investigated under static and flow conditions, in uniform and non-uniform electric fields. Results reveal that when using frequencies lower than 10 Hz strong aggregation of the droplets occurs. In uniform electric fields, under static conditions, droplets reversibly aggregate into honeycomb-like or irregular aggregates. Under flow conditions, droplets aggregate into approximately equidistant streams. In non-uniform electric fields the droplets reversibly aggregate in high-field regions, and can be guided along regions of high field strength in a flow. The potential of the technique for the formation of structured materials is discussed.
机译：反向细乳液，分散在非极性连续液相中的极性液体的大小为200 nm-1μm的液滴的乳液，在低频电场中表现出较强的电动响应。在静态和流动条件下，在均匀和非均匀电场中，已经研究了反向微乳液的电动行为，该乳液先前被开发用作电子纸。结果表明，当使用低于10 Hz的频率时，液滴会发生强聚集。在均匀电场中，在静态条件下，液滴可逆地聚集为蜂窝状或不规则聚集体。在流动条件下，液滴聚集成等距的流。在非均匀电场中，液滴在高电场区域中可逆地聚集，并且可以在流动中沿高电场强度的区域被引导。讨论了形成结构材料的技术的潜力。

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