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An Integrated Artificial Cilia Based Microfluidic Device for Micropumping and Micromixing Applications
Yu-An Wu1, Bivas Panigrahi2, Yueh-Hsun Lu3,4
1Department of Mechanical Engineering, National Cheng Kung University, Tainan 701, Taiwan. n16041090@mail.ncku.edu.tw.
Micromachines
|November 8, 2018
Summary
This study introduces a novel biomimetic artificial cilia microfluidic device for efficient micromixing and micropropulsion. The device achieves high mixing efficiency and flow rates, advancing micro-total analysis systems and drug delivery applications.
Area of Science:
- Microfluidics
- Biomimetics
- Nanotechnology
Background:
- Microfluidic devices are crucial for micro-total analysis systems (µTAS).
- Current µTAS face challenges in simplifying process flows for combined micromixing and micropropulsion.
- A versatile microfluidic device for both operations is highly desirable.
Purpose of the Study:
- To propose and demonstrate a biomimetic artificial cilia-based microfluidic device.
- To achieve sequential micromixing and micropropulsion at the micro-scale.
- To enhance the functionality of micro-total analysis systems.
Main Methods:
- Fabrication of a rectangular microfluidic device with four straight microchannels using microfabrication techniques.
- Embedding an array of artificial cilia within a microchannel.
- Utilizing image processing and micro-particle image velocimetry (µPIV) for analysis.
Main Results:
- The proposed device efficiently facilitates sequential mixing and propulsion.
- Maximum micromixing efficiency achieved was 0.84.
- Maximum flow rate achieved was 0.089 µL/min.
Conclusions:
- The biomimetic artificial cilia microfluidic device offers a dual function for mixing and propulsion.
- This technology has significant potential for targeted drug delivery systems.
- The device can be integrated into micro-total analysis systems for biological specimen handling.
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