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Issue 3, 2014
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Capillary-assembled straight microfluidic devices

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Abstract

A lithography-free method to produce microfluidic channels for imaging applications is described. Silica microcapillaries, with either circular or square cross-sections, are embedded in the surface of a polydimethylsiloxane (PDMS) base for imaging studies of flow and electrokinetics within a straight channel. Successful production of the devices relies on precisely timing the assembly process. This timing is identified by an in situ elasto-capillary thinning experiment on PDMS; a rheological study supports the use of these measurements. The assembled devices are characterized using atomic force microscopy (AFM) and bright field microscopy.

Graphical abstract: Capillary-assembled straight microfluidic devices

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Publication details

The article was received on 04 Oct 2013, accepted on 23 Oct 2013 and first published on 28 Oct 2013


Article type: Communication
DOI: 10.1039/C3RA45578E
Citation: RSC Adv., 2014,4, 1083-1086
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    Capillary-assembled straight microfluidic devices

    M. Arca, X. Feng, A. J. C. Ladd and J. E. Butler, RSC Adv., 2014, 4, 1083
    DOI: 10.1039/C3RA45578E

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