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Biocompatibility of fluids for multiphase drops-in-drops microfluidics.

This paper addresses the biocompatibility of fluids and surfactants in the context of microfluidics and more specifically in a drops-in-drops system for mammalian cell based drug screening. In the drops-indrops approach, three immiscible fluids are used to manipulate the flow of aqueous microliter-s...

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Published in:Biomedical Microdevices Vol. 18; no. 6; pp. 1 - 10
Main Authors: Prastowo, Aishah, Feuerborn, Alexander, Cook, Peter R., Walsh, Edmond J.
Format: Journal Article
Published: Springer Nature Dec2016
Online Access:View this record in EBSCOhost
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      dt: Dec2016
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      pub: Springer Nature
      place: New York, New York
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        10.1007/s10544-016-0137-0
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        atl: Biocompatibility of fluids for multiphase drops-in-drops microfluidics.
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        au:
          Prastowo, Aishah
          Feuerborn, Alexander
          Cook, Peter R.
          Walsh, Edmond J.
        affil: Osney Thermo-Fluids Laboratory, Department of Engineering Science, University of Oxford, Osney Mead, Oxford OX2 0ES, UK.
      sug:
      ab: This paper addresses the biocompatibility of fluids and surfactants in the context of microfluidics and more specifically in a drops-in-drops system for mammalian cell based drug screening. In the drops-indrops approach, three immiscible fluids are used to manipulate the flow of aqueous microliter-sized drops; it enables merging of drops containing cells with drops containing drugs within a Teflon tube. Preliminary tests showed that a commonly-used fluid and surfactant combination resulted in significant variability in gene expression levels in Jurkat cells after exposure to a drug for four hours. This result led to further investigations of potential fluid and surfactant combinations that can be used in microfluidic systems for medium to longterm drug screening. Results herein identify a fluid combination, HFE-7500 and 5-cSt silicone oil + 0.25% Abil EM180, which enabled the drops-in-drops approach; this combination also allowed gene expression at normal levels comparable with the conventional drug screening in both magnitude and variability.
      pubtype: Academic Journal
      doctype: Journal Article
      ougenre: Article
    language: English
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