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Title: Controlling shapes in a coaxial focusing microfluidic device: experiments and theory
Author: Rodriguez Trujillo, Romen
Kim-Im, Yu-Han
Hernández Machado, Aurora
Keywords: Dinàmica de fluids
Interfícies (Ciències físiques)
Models matemàtics
Fluid dynamics
Interfaces (Physical sciences)
Mathematical models
Issue Date: 13-Jan-2020
Publisher: MDPI
Abstract: A coaxial flow focusing PDMS (polydimethylsiloxane) microfluidic device has been designed and manufactured by soft lithography in order to experimentally study a miscible inner flow. We studied a coaxially focused inner flow (formed by an aqueous fluorescein solution) which was fully isolated from all microchannel surfaces by an additional water outer flow. Different flow rates were used to produce a variety of flow ratios and a 3D reconstruction of the cross-section was performed using confocal microscope images. The results showed an elliptical section of the coaxially focused inner flow that changes in shape depending on the flow rate ratio applied. We have also developed a mathematical model that allows us to predict and control the geometry of the coaxially focused inner flow.
Note: Reproducció del document publicat a:
It is part of: Micromachines, 2020, vol. 11, num. 85
Related resource:
ISSN: 2072-666X
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)
Articles publicats en revistes (Enginyeria Electrònica i Biomèdica)

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