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Centrifugal Microfluidics

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Encyclopedia of Microfluidics and Nanofluidics
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Synonyms

Centrifugal flow; Lab-CD; Lab-disk; Lab-on-a-Diskl; Microfluidics on a CD; Rotating channel flow

Definition

Centrifugal microfluidic technologies use the inertial pseudo forces experienced in a rotating reference frame to transport and manipulate fluids, overwhelmingly liquids, through networks of microchannels and chambers on substrates which are often in the format of a disk. These density-dependent pseudo forces are the centrifugal force scaling with the square of the frequency of rotation, the Euler force which is associated with an accelerated rotational motion, and the Coriolis force acting on flows through rotating channels. Unit operations such as valving, routing, metering, and mixing often result from the interplay of the rotational forces, capillary flow control, and/or siphon-like structures. Centrifugal microfluidic systems typically comprise a polymeric substrate with the size of a compact disk incorporating a planar microchannel network and an actuation unit...

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Correspondence to Jens Ducrée .

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© 2014 Springer Science+Business Media New York

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Ducrée, J. (2014). Centrifugal Microfluidics. In: Li, D. (eds) Encyclopedia of Microfluidics and Nanofluidics. Springer, Boston, MA. https://doi.org/10.1007/978-3-642-27758-0_203-2

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  • DOI: https://doi.org/10.1007/978-3-642-27758-0_203-2

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  • Online ISBN: 978-3-642-27758-0

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