Magnetic elements for processing fluids
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United States of America Patent
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May 19, 2020
Grant Date -
Mar 16, 2017
app pub date -
Feb 27, 2015
filing date -
Feb 28, 2014
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Abstract
Methods and apparatus for processing fluids on a macro- or micro-scale are described. In various aspects, a fluid may have a plurality of elongated (i.e., substantially rod-shaped) magnetic elements disposed therein within a fluid container. An illustrative fluid container is an actuator electrode or a processing vial of a microfluidic device, such as a digital microfluidic device. A magnet component may be configured to generate a magnetic force sufficient to influence the movement of the plurality of elongated magnetic elements within the fluid to be processed. For example, the magnetic force (or magnetic force gradient) may influence the plurality of elongated magnetic elements to rotate, spin, and/or move laterally side-to-side. The shape and movements of the plurality of elongated magnetic elements facilitate the rapid and efficient processing of the fluid, such as fluid mixing and/or fluid separation.
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