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Microfluidic pumping using artificial magnetic cilia
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DOI：10.1038/s41378-018-0010-9.png)
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Abstract
En 中文
One of the vital functions of naturally occurring cilia is fluid transport. Biological cilia use spatially asymmetric strokes to generate a net fluid flow that can be utilized for feeding, swimming, and other functions. Biomimetic synthetic cilia with similar asymmetric beating can be useful for fluid manipulations in lab-on-chip devices. In this paper, we demonstrate the microfluidic pumping by magnetically actuated synthetic cilia arranged in multi-row arrays. We use a microchannel loop to visualize flow created by the ciliary array and to examine pumping for a range of cilia and microchannel parameters. We show that magnetic cilia can achieve flow rates of up to 11 mu l/min with the pressure drop of similar to 1 Pa. Such magnetic ciliary array can be useful in microfluidic applications requiring rapid and controlled fluid transport.
Keywords:
SYNTHETIC CILIA
PROPULSION
TRANSPORT
DYNAMICS
ARRAYS
MOTION
WAVES
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