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Updated: Jun 30, 2026

Microfluidic Chips Controlled with Elastomeric Microvalve Arrays
Published on: October 1, 2007
Versatile control of multiphase laminar flow for in-channel microfabrication
1Department of Chemistry and Biochemistry, Ohio University, 136 Clippinger Labs, Athens, Ohio 45701, USA.
Abstract:
We have improved the multiphase laminar flow based in-channel fabrication method to overcome diffusion-induced broadening. A sheathing phase with protecting molecules confines metal wire deposition and allows for flexible control of the location, width, and uniformity of deposited metal wires. Two-layered T-junctions are introduced to form vertically stacked multiphase laminar flow. Combining these techniques, we fabricate quadrupole silver electrodes on the four sidewalls of rectangular polydimethylsiloxane (PDMS) microchannels that are 3 cm in length.
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