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

Po-Hsun Huang1, Nitesh Nama, Zhangming Mao

  • 1Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA. junhuang@psu.edu.

Lab on a Chip
|September 5, 2014
PubMed
Summary
This summary is machine-generated.

We developed a programmable acoustofluidic pump using tilted sharp-edge structures. This device offers stable, tunable flow rates from nanoliters to microliters per minute, ideal for various applications.

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Area of Science:

  • Fluid dynamics
  • Acoustic manipulation
  • Microfluidics

Background:

  • Acoustic streaming is a phenomenon used for fluid manipulation.
  • Developing efficient and programmable microfluidic pumps is crucial for lab-on-a-chip devices.

Purpose of the Study:

  • To present a novel programmable acoustofluidic pump.
  • To demonstrate its capability for generating stable and tunable flow rates.

Main Methods:

  • Utilizing oscillation of tilted sharp-edge structures to generate acoustic streaming.
  • Designing and fabricating the acoustofluidic pump with minimal hardware.

Main Results:

  • Achieved stable flow rates up to 8 μL/min with ~76 Pa pumping pressure.
  • Demonstrated tunable flow rates across a wide range (nL/min to μL/min).
  • The pump is easy to operate and requires minimal hardware.

Conclusions:

  • The sharp-edge-based acoustofluidic pump is a programmable and efficient fluidic device.
  • Its stable, tunable flow rates and ease of operation show great potential for diverse microfluidic applications.