疏水:一种用于高分辨率颗粒分离的新方法

TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference Pub Date : 2007-06-10 DOI:10.1109/SENSOR.2007.4300496

Sungyoung Choi, J. Park

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引用次数: 3

摘要

本文报道了一种新的微观颗粒的疏水分离方法——悬浮颗粒在微观结构诱导的压力场影响下的运动。通过利用微通道中的倾斜障碍物，我们可以产生一个侧向压力梯度，使微粒可以沿着压力梯度偏转并排列。实验成功地将高分辨率微粒分离方法应用于鉴别直径差为- 7.3%的微珠和血浆分离。

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Hydrophoresis: A New -Phoretic Method for High-Resolution Particle Separation

We report a new separation method of microscopic particles with hydrophoresis - the movement of suspended particles under the influence of a microstructure-induced pressure field. By exploiting slanted obstacles in a microchannel, we can generate a lateral pressure gradient so that microparticles can be deflected and arranged along the pressure gradient. The hydrophoretic method for high-resolution particle separation was successfully applied to discriminate microbeads with a diameter difference of- 7.3% and to separate blood plasma.

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TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference

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