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A Fluorescence Fluctuation Spectroscopy Assay of Protein-Protein Interactions at Cell-Cell Contacts
08:43

A Fluorescence Fluctuation Spectroscopy Assay of Protein-Protein Interactions at Cell-Cell Contacts

Published on: December 1, 2018

Fluorescence fluctuations of quantum-dot sensors capture intracellular protein interaction dynamics

Eli Zamir1, Piet H M Lommerse, Ali Kinkhabwala

  • 1Department of Systemic Cell Biology, Max Planck Institute of Molecular Physiology, Dortmund, Germany.

Nature Methods
|March 16, 2010
PubMed

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Protein Dynamics in Living Cells01:19

Protein Dynamics in Living Cells

Different fluorescence-based techniques are used to study the protein dynamics in living cells. These techniques include FRAP, FRET, and PET.
Fluorescent recovery after photobleaching (FRAP) is a fluorescent-protein-based detection technique used to quantify protein movement rates within the cell. This method exposes a small portion of the cell to an intense laser beam. The laser beam causes permanent photobleaching of the fluorophore-tagged proteins in the exposed region. As the bleached...