Biomedical Microdevices

, Volume 4, Issue 3, pp 177–187 | Cite as

The Cell Clinic: Closable Microvials for Single Cell Studies

  • Edwin W.H. Jager
  • Charlotte Immerstrand
  • Kajsa Holmgren Peterson
  • Karl-Eric Magnusson
  • Ingemar Lundström
  • Olle Inganäs


We present the development of a cell clinic. This is a micromachined cavity, or microvial, that can be closed with a lid. The lid is activated by two polypyrrole/Au microactuators. Inside the microvials two Au electrodes have been placed in order to perform impedance studies on single or a small number of cells. We report on impedance measurements on Xenopus leavis melanophores. We could measure a change in the impedance upon cell spreading and identify intracellular events such as the aggregation of pigment granules. The electrical data is correlated to optical microscopy.

microactuators polypyrrole micromachining melano-phores impedance measurements microelectrodes 


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Copyright information

© Kluwer Academic Publishers 2002

Authors and Affiliations

  • Edwin W.H. Jager
    • 1
  • Charlotte Immerstrand
    • 2
  • Kajsa Holmgren Peterson
    • 2
  • Karl-Eric Magnusson
    • 2
  • Ingemar Lundström
    • 3
  • Olle Inganäs
    • 1
  1. 1.Biomolecular and Organic Electronics, Department of Physics and Measurement TechnologyLinköpings universitetLinköpingSweden
  2. 2.Division of Medical Microbiology, Department of Health and EnvironmentLinköpings universitetLinköpingSweden
  3. 3.Division of Applied Physics, Department of Physics and Measurement TechnologyLinköpings universitetLinköpingSweden

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