Abstract
A micropump based on strong polarization of ion-exchange beads and corresponding actuation by electroosmosis of the second kind was designed and fabricated. Experimental results from operation with AC and DC voltage showed a close to second order relationship between flow and voltage, in good agreement with theory. The difference between experimental and theoretical flow rates and pressures is attributed to the hydrodynamic resistance of the channel network. A modified pump design which should yield higher flow rates and pressures was suggested.
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Mishchuk, N.A., Heldal, T., Volden, T. et al. Microfluidic pump based on the phenomenon of electroosmosis of the second kind. Microfluid Nanofluid 11, 675–684 (2011). https://doi.org/10.1007/s10404-011-0833-2
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DOI: https://doi.org/10.1007/s10404-011-0833-2