Self-raised circular orifices for lateral patch-clamping array chips

Jeonggi Seo, Luke P. Lee

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

We have developed a novel technique to build three-dimensional (3-D) self-raised lateral microfluidic cell trapping junctions in polydimethylsiloxane (PDMS) microfluidic networks for patch clamp experiments. As far as cell deformation is concerned, a 3-D cell trapping junction that has symmetrical space around a patching orifice is desirable since it induces symmetrical deformation of the cell and reduced gap between the cellular membrane and patching orifice. The fabricated 3-D junction is relatively raised from the edge of the channel. Evidence of the hydrodynamic placement of mammalian cells at the junctions and measurements of patch sealing resistance is presented.

Original languageEnglish
Title of host publicationMicro Total Analysis Systems - Proceedings of MicroTAS 2005 Conference
Subtitle of host publication9th International Conference on Miniaturized Systems for Chemistry and Life Sciences
PublisherTransducer Research Foundation
Pages1215-1217
Number of pages3
ISBN (Print)0974361119, 9780974361116
StatePublished - 2005
Event9th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2005 - Boston, MA, United States
Duration: 9 Oct 200513 Oct 2005

Publication series

NameMicro Total Analysis Systems - Proceedings of MicroTAS 2005 Conference: 9th International Conference on Miniaturized Systems for Chemistry and Life Sciences
Volume1

Conference

Conference9th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2005
Country/TerritoryUnited States
CityBoston, MA
Period9/10/0513/10/05

Keywords

  • Cells
  • Ion channels
  • Microfluidics
  • Patch-clamp

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