Journal
APPLIED PHYSICS LETTERS
Volume 85, Issue 6, Pages 1063-1065Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1776339
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Noninvasive manipulation of biological cells inside a microfluidic channel was demonstrated using a microelectromagnet matrix. The matrix consists of two layers of straight Au wires, aligned perpendicular to each other, that are covered by insulating layers. By adjusting the current in each independent wire, the microelectromagnet matrix can create versatile magnetic field patterns to control the motion of individual cells in fluid. Single or multiple yeast cells attached to magnetic beads were trapped, continuously moved and rotated, and a viable cell was separated from nonviable cells for cell sorting. (C) 2004 American Institute of Physics.
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