Issue 22, 2012

Low cost integration of 3D-electrode structures into microfluidic devices by replica molding

Abstract

We demonstrate a new replica molding method for integrating 3D-composite electrodes into microfluidic devices made from polydimethylsiloxane (PDMS) at low cost. Our process does not require work in a cleanroom, expensive materials, or expensive equipment once a micro mold has been fabricated using standard multilayer SU-8 photolithography. Different device geometries have been fabricated to demonstrate the capabilities and limitations of the method. The electrical properties of the composite electrode material are characterized. Furthermore, a device for concentrating particles via AC-dielectrophoresis is presented as an example for a potential application of the fabrication process.

Graphical abstract: Low cost integration of 3D-electrode structures into microfluidic devices by replica molding

Supplementary files

Article information

Article type
Paper
Submitted
28 Jun 2012
Accepted
29 Aug 2012
First published
31 Aug 2012

Lab Chip, 2012,12, 4702-4708

Low cost integration of 3D-electrode structures into microfluidic devices by replica molding

B. Mustin and B. Stoeber, Lab Chip, 2012, 12, 4702 DOI: 10.1039/C2LC40728K

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