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Issue 5, 2010
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Irreversible, direct bonding of nanoporous polymer membranes to PDMS or glass microdevices

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Abstract

A method for integrating porous polymer membranes such as polycarbonate, polyethersulfone and polyethylene terephthalate to microfluidic devices is described. The use of 3-aminopropyltriethoxysilane as a chemical crosslinking agent was extended to integrate membranes with PDMS and glass microfluidic channels. A strong, irreversible bond between the membranes and microfluidic structure was achieved. The bonding strength in the APTES treated devices was significantly greater than in devices fabricated using either a PDMS “glue” or two-part epoxy bonding method. Evaluation of a filtering microdevice and the pore structure via SEM indicates the APTES conjugation does not significantly alter the membrane transport function and pore morphology.

Graphical abstract: Irreversible, direct bonding of nanoporous polymer membranes to PDMS or glass microdevices

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Publication details

The article was received on 25 Nov 2009, accepted on 23 Dec 2009 and first published on 07 Jan 2010


Article type: Communication
DOI: 10.1039/B924816A
Citation: Lab Chip, 2010,10, 548-552
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    Irreversible, direct bonding of nanoporous polymer membranes to PDMS or glass microdevices

    K. Aran, L. A. Sasso, N. Kamdar and J. D. Zahn, Lab Chip, 2010, 10, 548
    DOI: 10.1039/B924816A

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