A polymeric high-throughput pressure-driven micromixer using a nanoporous membrane
Date of Issue2010
School of Mechanical and Aerospace Engineering
This article presents a polymeric high-throughput, pressure-driven nanofluidic mixer utilizing a nanoporous charge-selective Nafion membrane. The device has no movable parts and is fabricated in PMMA by means of laser machining and thermal bonding. Mixing is achieved by strong vortices occurring above the nanoporous membrane when applying an electric field. These vortices are caused by electroconvection in the concentration polarization zone. The mixer is operating at Peclet number as high as 63.5 × 103 allowing rapid mixing at a high throughput. The design and fabrication of the mixer is simple, reproducible, and of low cost. The fabrication approach presented in this article can be easily transferred to roll-to-roll technology for mass fabrication.
Microfluidics and nanofluidics
© 2010 Springer-Verlag. This is the author created version of a work that has been peer reviewed and accepted for publication by Microfluidics and Nanofluidics, Springer-Verlag. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: DOI: [http://dx.doi.org/10.1007/s10404-010-0685-1].