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Electrophysiology on Channel-Forming Proteins in Artificial Lipid Bilayers: Next-Generation Instrumentation for Multiple Recordings in Parallel

  • Ekaterina Zaitseva
  • Alison ObergrussbergerEmail author
  • Conrad Weichbrodt
  • Mordjane Boukhet
  • Frank Bernhard
  • Christopher Hein
  • Gerhard Baaken
  • Niels Fertig
  • Jan C. Behrends
Protocol
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Part of the Methods in Molecular Biology book series (MIMB, volume 2188)

Abstract

Artificial lipid bilayers have been used for several decades to study channel-forming pores and ion channels in membranes. Until recently, the classical two-chamber setups have been primarily used for studying the biophysical properties of pore forming proteins. Within the last 10 years, instruments for automated lipid bilayer measurements have been developed and are now commercially available. This chapter focuses on protein purification and reconstitution of channel-forming proteins into lipid bilayers using a classic setup and on the commercially available systems, the Orbit mini and Orbit 16.

Key words

Reconstituted ion channels Artificial lipid bilayer Orbit mini Orbit 16 Protein purification 
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Supplementary material

Supplementary Video 1

The air bubble lipid bilayer formation technique on the Orbit mini. (MP4 56896 kb)

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2021

Authors and Affiliations

  • Ekaterina Zaitseva
    • 1
  • Alison Obergrussberger
    • 2
    Email author
  • Conrad Weichbrodt
    • 2
  • Mordjane Boukhet
    • 1
  • Frank Bernhard
    • 3
  • Christopher Hein
    • 3
  • Gerhard Baaken
    • 1
  • Niels Fertig
    • 2
  • Jan C. Behrends
    • 4
  1. 1.Ionera Technologies GmbHFreiburgGermany
  2. 2.Nanion Technologies GmbHMunichGermany
  3. 3.Institute of Biophysical Chemistry & Center for Biomolecular Magnetic ResonanceGoethe University FrankfurtFrankfurt am MainGermany
  4. 4.Laboratory for Membrane Physiology and Technology, Department of Physiology, Faculty of MedicineUniversity of FreiburgFreiburgGermany

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