Paper Title:
Two Dimensional Acoustic Manipulation in Microfluidic Channels
  Abstract

Acoustic radiation forces can be used to collect particles within microfluidic systems. The standard way of doing this is to excite a one-dimensional standing wave between a pair of solid walls; the particles will then typically collect at the pressure nodes. Higher degrees of positioning control can be achieved by excitation of additional orthogonal one-dimensional standing waves; this usually requires further walled constraints (two-dimensional collection for example requiring a chamber rather than a channel). In this work we examine methods of exciting two-dimensional fields in a channel using a single transducer as well as the use of pressure fields which are not one-dimensional in nature and the advantages they can offer.

  Info
Periodical
Chapter
Chapter 4: Fluid Mechanics and Thermodynamics
Edited by
Huixuan Zhang, Ye Han, Fuxiao Chen and Jiuba Wen
Pages
624-632
DOI
10.4028/www.scientific.net/AMM.117-119.624
Citation
L. Xu, A. Neild, "Two Dimensional Acoustic Manipulation in Microfluidic Channels", Applied Mechanics and Materials, Vols. 117-119, pp. 624-632, 2012
Online since
October 2011
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Price
$32.00
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