Rebecca A. Braff

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We present experimental results and modeling on the efficacy of dielectrophoresis-based single-particle traps. Dielectrophoretic forces, caused by the interaction of nonuniform electric fields with objects, have been used to make planar quadrupole traps that can trap single beads. A simple experimental protocol was then used to measure how well the traps(More)
We present modeling and experiments demonstrating quantitative single-particle trapping using dielectrophoresis-based (DEP-based) particle traps. Using microfabricated thin-film gold quadropole-electrode structures, we have measured the minimum fluid flow needed to dislodge captured polystyrene beads under a given set of conditions. This flow has been(More)
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