Creating sub-50 nm nanofluidic junctions in a PDMS microchip via self-assembly process of colloidal silica beads for electrokinetic concentration of biomolecules

Author(s)
Syed, A.; Song, Y.-A.; Mangano, Lauren M.; Mao, Pan; Han, Joanna M.
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Abstract
In this work we describe a novel and simple self-assembly process of colloidal silica beads to create a nanofluidic junction between two microchannels. The nanoporous membrane was used to induce ion concentration polarization inside the microchannel and this electrokinetic preconcentration system allowed rapid concentration of DNA samples by ~1700 times and of protein samples by ~100 times within 5 minutes.
Date issued
2014-12
URI
http://hdl.handle.net/1721.1/110965
Department
Massachusetts Institute of Technology. Materials Processing Center; Massachusetts Institute of Technology. Department of Biological Engineering; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Research Laboratory of Electronics
Journal
Lab Chip
Publisher
Royal Society of Chemistry, The
Citation
Syed, A. et al. “Creating Sub-50 Nm Nanofluidic Junctions in a PDMS Microchip via Self-Assembly Process of Colloidal Silica Beads for Electrokinetic Concentration of Biomolecules.” Lab Chip 14, 23 (2014): 4455–4460 © 2014 The Royal Society of Chemistry
Version: Author's final manuscript
ISSN
1473-0197
1473-0189
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