Osmotic actuation for microfluidic components in point-of-care applications

Yu Chih Chen, Patrick Ingram, Xia Lou, Euisik Yoon

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

We present a novel design of micropumps and valves driven by osmotic force for point-of-care applications. Although there have been significant progresses in microfluidic components and control devices such as fluidic diodes, switches, resonators and digital-to-analog converters, the ultimate power source still depends on bulky off-chip components, which are expensive and cannot be easily miniaturized. For point-of-care applications, it is critical to integrate all the components in a compact size at low cost. In this work, we report two key active components actuated by osmotic mechanism for total integrated microfluidic system. For the proof of concept, we have demonstrated valve actuation, which can maintain stable ON/OFF switching operations under 125 kPa back pressure. We have also implemented an osmotic pump, which can pump a high flow rate over 30 μL/min for longer than 30 minutes. The experimental data demonstrates the possibility and potential of applying osmotic actuation in point-of-care disposable microfluidics.

Original languageEnglish
Title of host publicationIEEE 26th International Conference on Micro Electro Mechanical Systems, MEMS 2013
Pages1125-1128
Number of pages4
DOIs
Publication statusPublished - 2013 Apr 2
EventIEEE 26th International Conference on Micro Electro Mechanical Systems, MEMS 2013 - Taipei, Taiwan, Province of China
Duration: 2013 Jan 202013 Jan 24

Publication series

NameProceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
ISSN (Print)1084-6999

Other

OtherIEEE 26th International Conference on Micro Electro Mechanical Systems, MEMS 2013
CountryTaiwan, Province of China
CityTaipei
Period13/1/2013/1/24

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

Chen, Y. C., Ingram, P., Lou, X., & Yoon, E. (2013). Osmotic actuation for microfluidic components in point-of-care applications. In IEEE 26th International Conference on Micro Electro Mechanical Systems, MEMS 2013 (pp. 1125-1128). [6474448] (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)). https://doi.org/10.1109/MEMSYS.2013.6474448