Passive micropumping in microfluidics for point-of-care testing.

Biomicrofluidics
Linfeng XuKwang W Oh

Abstract

Suitable micropumping methods for flow control represent a major technical hurdle in the development of microfluidic systems for point-of-care testing (POCT). Passive micropumping for point-of-care microfluidic systems provides a promising solution to such challenges, in particular, passive micropumping based on capillary force and air transfer based on the air solubility and air permeability of specific materials. There have been numerous developments and applications of micropumping techniques that are relevant to the use in POCT. Compared with active pumping methods such as syringe pumps or pressure pumps, where the flow rate can be well-tuned independent of the design of the microfluidic devices or the property of the liquids, most passive micropumping methods still suffer flow-control problems. For example, the flow rate may be set once the device has been made, and the properties of liquids may affect the flow rate. However, the advantages of passive micropumping, which include simplicity, ease of use, and low cost, make it the best choice for POCT. Here, we present a systematic review of different types of passive micropumping that are suitable for POCT, alongside existing applications based on passive micropumping. Futu...Continue Reading

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Citations

Dec 31, 2020·Sensors·Raquel Catalan-CarrioFernando Benito-Lopez
Nov 10, 2020·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Kazuo Hosokawa
May 15, 2021·Scientific Reports·Aryan Mehboudi, Junghoon Yeom
Nov 10, 2021·Lab on a Chip·Apresio K FajrialXiaoyun Ding

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