4.7 Article

A reliable and programmable acoustofluidic pump powered by oscillating sharp-edge structures

Journal

LAB ON A CHIP
Volume 14, Issue 22, Pages 4319-4323

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4lc00806e

Keywords

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Funding

  1. National Institutes of Health (Director's New Innovator Award [1DP2OD007209-01]
  2. National Science Foundation [CBET-1438126, IIP-1346440]
  3. Penn State Center for Nanoscale Science (MRSEC) [DMR-0820404.]
  4. NSF-funded National Nanotechnology Infrastructure Network
  5. OFFICE OF THE DIRECTOR, NATIONAL INSTITUTES OF HEALTH [DP2OD007209] Funding Source: NIH RePORTER
  6. Directorate For Engineering [1438126] Funding Source: National Science Foundation

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We present a programmable acoustofluidic pump that utilizes the acoustic streaming effects generated by the oscillation of tilted sharp-edge structures. This sharp-edge-based acoustofluidic pump is capable of generating stable flow rates as high as 8 mu L min(-1) (similar to 76 Pa of pumping pressure), and it can tune flow rates across a wide range (nanoliters to microliters per minute). Along with its ability to reliably produce stable and tunable flow rates, the acoustofluidic pump is easy to operate and requires minimum hardware, showing great potential for a variety of applications.

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