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Issue 21, 2014
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Deterministic lateral displacement for particle separation: a review

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Abstract

Deterministic lateral displacement (DLD), a hydrodynamic, microfluidic technology, was first reported by Huang et al. in 2004 to separate particles on the basis of size in continuous flow with a resolution of down to 10 nm. For 10 years, DLD has been extensively studied, employed and modified by researchers in terms of theory, design, microfabrication and application to develop newer, faster and more efficient tools for separation of millimetre, micrometre and even sub-micrometre sized particles. To extend the range of potential applications, the specific arrangement of geometric features in DLD has also been adapted and/or coupled with external forces (e.g. acoustic, electric, gravitational) to separate particles on the basis of other properties than size such as the shape, deformability and dielectric properties of particles. Furthermore, investigations into DLD performance where inertial and non-Newtonian effects are present have been conducted. However, the evolvement and application of DLD has not yet been reviewed. In this paper, we collate many interesting publications to provide a comprehensive review of the development and diversity of this technology but also provide scope for future direction and detail the fundamentals for those wishing to design such devices for the first time.

Graphical abstract: Deterministic lateral displacement for particle separation: a review

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Publication details

The article was received on 12 Aug 2014, accepted on 04 Sep 2014 and first published on 04 Sep 2014


Article type: Tutorial Review
DOI: 10.1039/C4LC00939H
Citation: Lab Chip, 2014,14, 4139-4158
  • Open access: Creative Commons BY license
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    Deterministic lateral displacement for particle separation: a review

    J. McGrath, M. Jimenez and H. Bridle, Lab Chip, 2014, 14, 4139
    DOI: 10.1039/C4LC00939H

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