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Issue 16, 2015
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Multifunctional reversibly sealable microfluidic devices for patterned material deposition approaches

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Abstract

We present a concept to produce reversibly sealable polydimethylsiloxane (PDMS) based microfluidic devices with versatile channel designs, withstanding pressures up to 600 kPa. A novel fabrication strategy, namely the casting of a secondary PDMS casing around the initial channel system allows diverting the tubing attached to the channels sideways so that a simple mounting assembly can be used to press the fluidic chip onto virtually any type of substrate. We demonstrate the functionalities of the developed setup at a proof-of-concept level by direct printing of electronic interconnects onto flexible substrates in a single step. As a second application, we generate uniquely shaped polymer structures when combining the presented technique with droplet microfluidics using a UV-curable adhesive and water as continuous and dispersed phases, respectively. We believe the developed approach has a plethora of applications and a clear perspective of being used for cost-efficient and multifunctional designs of novel classes of materials and devices in diverse areas from electronics to biotechnology.

Graphical abstract: Multifunctional reversibly sealable microfluidic devices for patterned material deposition approaches

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Publication details

The article was received on 04 Dec 2014, accepted on 09 Jan 2015 and first published on 09 Jan 2015


Article type: Paper
DOI: 10.1039/C4RA15785K
Author version available: Download Author version (PDF)
Citation: RSC Adv., 2015,5, 11806-11811
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    Multifunctional reversibly sealable microfluidic devices for patterned material deposition approaches

    A. Gang, N. Haustein, L. Baraban and G. Cuniberti, RSC Adv., 2015, 5, 11806
    DOI: 10.1039/C4RA15785K

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