NDLI: A droplet-based microfluidic system capable of droplet formation and manipulation

Content Provider	Springer Nature Link
Author	Lee, Chen Yi Lin, Yen Heng Lee, Gwo Bin
Copyright Year	2008
Abstract	Formation of emulsion droplets is crucial for a variety of industrial and scientific applications. This study presents a new droplet-based microfluidic system capable of generating tunable and uniform-sized droplets and subsequently deflecting these droplets at various inclination angles using a combination of flow-focusing and moving-wall structures. A pneumatic air chamber was used to activate the moving-wall structures, located nearby the outlet of the flow-focusing microchannels, such that the sheath flows can be locally accelerated. With this approach, the size of the droplets can be fine-tuned and sorted without adjusting the syringe pumps. Experimental data showed that droplets with diameters ranging from 31.4 to 146.2 μm with a variation of less than 5.39% can be generated. Besides, droplets can be sorted upwards or backwards with an inclination angle ranging from 0° to 53.5°. The development of this emulsion system may be promising for the formation and collection of emulsion products for applications in the pharmaceutical, cosmetics and food industries.
Starting Page	599
Ending Page	610
Page Count	12
File Format	PDF
ISSN	16134982
Journal	Microfluidics and Nanofluidics
Volume Number	6
Issue Number	5
e-ISSN	16134990
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-08-12
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Emulsification Moving wall Flow focusing Microfluidics MEMS Biomedical Engineering Engineering Fluid Dynamics
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Materials Chemistry Condensed Matter Physics Electronic, Optical and Magnetic Materials

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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