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Enkeltmolekylebilleddannelse af lateral mobilitet og ionkanalaktivitet i lipiddobbeltlag ved hjælp af total intern refleksionsfluorescens (TIRF) mikroskopi
JoVE Journal
Biochimica
This content is Free Access.
JoVE Journal Biochimica
Single-Molecule Imaging of Lateral Mobility and Ion Channel Activity in Lipid Bilayers using Total Internal Reflection Fluorescence (TIRF) Microscopy
DOI:

08:55 min

February 17, 2023

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Capitoli

  • 00:05Introduction
  • 00:43Preparation of Lipids and Agarose Hydrogel
  • 01:33PMMA Chamber Assembly and Lipid Monolayer Formation
  • 03:06Preparation of Lipid-Coated Aqueous Droplets in Hexadecane/Silicone Oil Solution
  • 04:17Preparation and Imaging of Single Ion Channels in DIB Membranes
  • 06:49Results: Isolation of TOM-CC and Correlation of Channel Activity with Lateral Mobility of TOM-CC
  • 08:18Conclusion

Summary

Traduzione automatica

Denne protokol beskriver, hvordan man bruger TIRF-mikroskopi til at spore individuelle ionkanaler og bestemme deres aktivitet i understøttede lipidmembraner og derved definere samspillet mellem lateral membranbevægelse og kanalfunktion. Den beskriver, hvordan man forbereder membranerne, registrerer dataene og analyserer resultaterne.

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