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Electrokinetic tweezing: three-dimensional manipulation of microparticles by real-time imaging and flow control
Zachary Cummins1, Roland Probst, Benjamin Shapiro
1Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA. zcummins@umd.edu.
Lab on a Chip
|August 16, 2013
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.
