Valve-based flow focusing for drop formation
Author(s) -
Adam R. Abate,
Mark B. Romanowsky,
Jeremy J. Agresti,
David A. Weitz
Publication year - 2009
Publication title -
applied physics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.182
H-Index - 442
eISSN - 1077-3118
pISSN - 0003-6951
DOI - 10.1063/1.3067862
Subject(s) - drop (telecommunication) , microfluidics , flow control (data) , flow focusing , volumetric flow rate , mechanics , materials science , dispersity , flow (mathematics) , focus (optics) , pressure drop , nanotechnology , computer science , optics , physics , telecommunications , polymer chemistry
Microfluidic devices can produce highly monodisperse drops at kilohertz rates using flow-focus drop formation. We use single-layer membrane valves to control, in real time, the dimensions of the flow-focus drop makers. This allows drop size and frequency to be controlled in real time and without adjusting flow rates.
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