Inertial modulation of hydrophoretic cell sorting and focusing

Inertial modulation of hydrophoretic cell sorting and focusing

This paper demonstrates a method of modulating hydrophoretic focusing and sorting by inertial forces in a microfluidic device. At low Reynolds number (Re), hydrophoresis enables size-based sorting by generating specific equilibrium positions for differently sized particles. As increasing Re, hydroph...

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Veröffentlicht in:Applied physics letters 2014-02, Vol.104 (7)
Hauptverfasser: Song, Seungjeong, Choi, Sungyoung
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Sprache:eng
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Applied physics
Fluid flow
Reynolds number
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description This paper demonstrates a method of modulating hydrophoretic focusing and sorting by inertial forces in a microfluidic device. At low Reynolds number (Re), hydrophoresis enables size-based sorting by generating specific equilibrium positions for differently sized particles. As increasing Re, hydrophoresis becomes coupled with inertial effects that bias the equilibrium positions to create a narrow focusing stream. Using this method, we achieved both size-based sorting and sheathless focusing in a device.
doi_str_mv 10.1063/1.4866045
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subjects Applied physics
Fluid flow
Reynolds number
title Inertial modulation of hydrophoretic cell sorting and focusing
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