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Formation of dispersions using “flow focusing” in microchannels

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Anna, Shelley L., Bontoux, Nathalie, Stone, Howard A.·2003·Applied Physics Letters

Abstract

A flow-focusing geometry is integrated into a microfluidic device and used to study drop formation in liquid–liquid systems. A phase diagram illustrating the drop size as a function of flow rates and flow rate ratios of the two liquids includes one regime where drop size is comparable to orifice width and a second regime where drop size is dictated by the diameter of a thin “focused” thread, so drops much smaller than the orifice are formed. Both monodisperse and polydisperse emulsions can be produced.

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Metadata

Authors
Anna, S. L., Bontoux, N., & Stone, H. A.
Venue
Applied Physics Letters
Published
2003-01-20
Volume
82
Issue
3
Pages
364-366
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
OpenAlex
W2009434334
Cited by
2,302
References
0
FWCI
36.38
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Formation of dispersions using “flow focusing” in microchannels. https://app.cochat.ai/papers/10.1063/1.1537519
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Anna, S. L., Bontoux, N., & Stone, H. A. (2003). Formation of dispersions using “flow focusing” in microchannels. Applied Physics Letters. https://doi.org/10.1063/1.1537519

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