Thermally activated control of microfluidic friction

Dey, Ranabir ; DasGupta, Sunando ; Chakraborty, Suman (2012) Thermally activated control of microfluidic friction Applied Physics Letters, 101 (13). Article ID 134101. ISSN 0003-6951

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Official URL: http://scitation.aip.org/content/aip/journal/apl/1...

Related URL: http://dx.doi.org/10.1063/1.4754605

Abstract

Contrary to the common belief that fluid friction unilaterally determines the thermal characteristics of a microfluidic device, we show here that fluid frictional characteristics of a microfluidic device may essentially be thermally tuned, delineating a non-intuitive two-way coupling. Our experiments reveal that the interfacial phenomena triggered by thermal alteration of interfaces with certain topographical and wettability characteristics may reduce the interfacial friction to a considerable extent. This has far-ranging scientific and technological consequences towards obtaining improved throughput in microfluidic devices with applications ranging from biotechnology to electronics cooling.

Item Type:Article
Source:Copyright of this article belongs to American Institute of Physics.
ID Code:100750
Deposited On:12 Feb 2018 12:50
Last Modified:12 Feb 2018 12:50

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