Issue 20, 2013
From the journal:

Lab on a Chip

Electrokinetic tweezing: three-dimensional manipulation of microparticles by real-time imaging and flow control†

Zachary Cummins,*a   Roland Probstb  and  Benjamin Shapiroac  

* Corresponding authors

a Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA
E-mail: zcummins@umd.edu

b ACUITYnano, LLC, Rockville, MD, USA

c Institute for Systems Research, University of Maryland, College Park, MD, USA

Abstract

Electrokinetic tweezing in three dimensions is achieved for the first time using a multi-layer microfluidic device, a model-based control algorithm, and a 3D imaging algorithm connected in a feedback loop. Here we demonstrate steering of microparticles along 3D trajectories and trapping in all three dimensions with accuracy as good as 1 μm.

Graphical abstract: Electrokinetic tweezing: three-dimensional manipulation of microparticles by real-time imaging and flow control

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Article information

DOI
https://doi.org/10.1039/C3LC50674F
Article type
Paper
Submitted
03 Jun 2013
Accepted
19 Jul 2013
First published
19 Jul 2013

Lab Chip, 2013,13, 4040-4046

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Electrokinetic tweezing: three-dimensional manipulation of microparticles by real-time imaging and flow control

Z. Cummins, R. Probst and B. Shapiro, Lab Chip, 2013, 13, 4040 DOI: 10.1039/C3LC50674F

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