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Pishbin E, Kazemzadeh A, Chimerad M, et al. Frequency dependent multiphase flows on centrifugal microfluidics. Lab Chip. 2020;20(3):514-524doi: 10.1039/c9lc00924h.
Pishbin, E., Kazemzadeh, A., Chimerad, M., Asiaei, S., Navidbakhsh, M., & Russom, A. (2020). Frequency dependent multiphase flows on centrifugal microfluidics. Lab on a chip, 20(3), 514-524. https://doi.org/10.1039/c9lc00924h
Pishbin, Esmail, et al. "Frequency dependent multiphase flows on centrifugal microfluidics." Lab on a chip vol. 20,3 (2020): 514-524. doi: https://doi.org/10.1039/c9lc00924h
Pishbin E, Kazemzadeh A, Chimerad M, Asiaei S, Navidbakhsh M, Russom A. Frequency dependent multiphase flows on centrifugal microfluidics. Lab Chip. 2020 Feb 07;20(3):514-524. doi: 10.1039/c9lc00924h. Epub 2020 Jan 03. PMID: 31898702.
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Lab Chip. 2020 Feb 07;20(3):514-524. doi: 10.1039/c9lc00924h. Epub 2020 Jan 03.

Frequency dependent multiphase flows on centrifugal microfluidics.

Lab on a chip

Esmail Pishbin, Amin Kazemzadeh, Mohammadreza Chimerad, Sasan Asiaei, Mahdi Navidbakhsh, Aman Russom

Affiliations

  1. School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran.
  2. Division of Nanobiotechnology, Department of Protein Sciences, Science for Life Laboratory, KTH Royal Institute of Technology, Stockholm, Sweden. [email protected] [email protected].

PMID: 31898702 DOI: 10.1039/c9lc00924h

Abstract

The simultaneous flow of gas and liquids in large scale conduits is an established approach to enhance the performance of different working systems under critical conditions. On the microscale, the use of gas-liquid flows is challenging due to the dominance of surface tension forces. Here, we present a technique to generate common gas-liquid flows on a centrifugal microfluidic platform. It consists of a spiral microchannel and specific micro features that allow for temporal and local control of stratified and slug flow regimes. We investigate several critical parameters that induce different gas-liquid flows and cause the transition between stratified and slug flows. We have analytically derived formulations that are compared with our experimental results to deliver a general guideline for designing specific gas-liquid flows. As an application of the gas-liquid flows in enhancing microfluidic systems' performance, we show the acceleration of the cell growth of E. coli bacteria in comparison to traditional culturing methods.

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