Manipulation of Particles via Isolated Conductors and Electric Field Gradients

Mark Hayes

Manipulation of Particles via Isolated Conductors and Electric Field Gradients

Arizona State University

Research output: Patent

Abstract

Methods and microfluidic devices for manipulating fluid suspended particles using isolated conductors and non-uniform electric field regions are described. This method is based on the combined effects of electrokinetic and dielectrophoretic forces. Isolated conductors are placed within the microfluidic channel or device such that they are located in regions where a non-uniform electric field is present. The placement of these isolated conducots can be used to manipulate, or control, the motion of the suspended particles are fluid. Additionally, particles can be collected, isolated, or concentrated onto the surface of the conducotors. The isolated conducotrs are not grounded, part of a circuit, or used for application of an externally generated electric field. The electric field within the device is generated using remote (non-embedded) electrodes attached to an external power supply.

Original language	English (US)
State	Published - Aug 12 2005

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abstract = "Methods and microfluidic devices for manipulating fluid suspended particles using isolated conductors and non-uniform electric field regions are described. This method is based on the combined effects of electrokinetic and dielectrophoretic forces. Isolated conductors are placed within the microfluidic channel or device such that they are located in regions where a non-uniform electric field is present. The placement of these isolated conducots can be used to manipulate, or control, the motion of the suspended particles are fluid. Additionally, particles can be collected, isolated, or concentrated onto the surface of the conducotors. The isolated conducotrs are not grounded, part of a circuit, or used for application of an externally generated electric field. The electric field within the device is generated using remote (non-embedded) electrodes attached to an external power supply.",

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N2 - Methods and microfluidic devices for manipulating fluid suspended particles using isolated conductors and non-uniform electric field regions are described. This method is based on the combined effects of electrokinetic and dielectrophoretic forces. Isolated conductors are placed within the microfluidic channel or device such that they are located in regions where a non-uniform electric field is present. The placement of these isolated conducots can be used to manipulate, or control, the motion of the suspended particles are fluid. Additionally, particles can be collected, isolated, or concentrated onto the surface of the conducotors. The isolated conducotrs are not grounded, part of a circuit, or used for application of an externally generated electric field. The electric field within the device is generated using remote (non-embedded) electrodes attached to an external power supply.

AB - Methods and microfluidic devices for manipulating fluid suspended particles using isolated conductors and non-uniform electric field regions are described. This method is based on the combined effects of electrokinetic and dielectrophoretic forces. Isolated conductors are placed within the microfluidic channel or device such that they are located in regions where a non-uniform electric field is present. The placement of these isolated conducots can be used to manipulate, or control, the motion of the suspended particles are fluid. Additionally, particles can be collected, isolated, or concentrated onto the surface of the conducotors. The isolated conducotrs are not grounded, part of a circuit, or used for application of an externally generated electric field. The electric field within the device is generated using remote (non-embedded) electrodes attached to an external power supply.

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