Journal
BIOTECHNOLOGY AND BIOENGINEERING
Volume 82, Issue 4, Pages 474-479Publisher
WILEY
DOI: 10.1002/bit.10590
Keywords
lab-on-a-chip; tumor cells; dielectrophoresis (DEP)
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In this study we describe an original, efficient, and innovative printed circuit board (PCB) device able to generate dielectrophoresis-based, software-controlled cages that can be moved to any place inside a microchamber. Depending on their dielectrophoretic properties, eukaryotic cells can be entrapped in cages and moved under software control. The main conclusion gathered from the experimental data reported is that the PCB device based on dielectrophoresis permits levitation and movement of different tumor cells at different dielectrophoresis conditions. The results presented herein are therefore the basis for experiments aimed at forced interactions or separation of eukaryotic cells using labon-a-chip. In fact, because many cages can be controlled at the same time, and two or more cages can be forced to share the same or a different location, it is possible, in principle, either to bring in contact cells of a differing histotype or to separate them. (C) 2003 Wiley Periodicals, Inc.
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