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Related Experiment Videos

Imaging molecular interactions by multiphoton FLIM.

Marion Peter1, Simon M Ameer-Beg

  • 1Randall Division of Cell and Molecular Biophysics, King's College London, New Hunt's House, Guy's Campus, London, SE1 1UL, UK. marion.peter@kcl.ac.uk

Biology of the Cell
|June 9, 2004
PubMed
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This review explores fluorescence lifetime imaging microscopy (FLIM) for mapping molecular interactions in cells. It details time-correlated single photon counting multiphoton microscopy for biological applications.

Area of Science:

  • Cellular and Molecular Biology
  • Biophysics
  • Microscopy Techniques

Background:

  • Understanding molecular interactions in cells is crucial for deciphering fundamental biological processes.
  • Spatio-temporal localization of protein complexes in situ and in vivo provides key mechanistic insights.
  • Fluorescence (or Förster) resonance energy transfer (FRET) is a powerful tool for detecting molecular proximity.

Purpose of the Study:

  • To review time-domain fluorescence lifetime sensing using time-correlated single photon counting multiphoton microscopy.
  • To describe the methodology of fluorescence lifetime imaging microscopy (FLIM) for FRET analysis.
  • To discuss the diverse biological applications of FLIM-based FRET.

Main Methods:

  • Focus on time-domain fluorescence lifetime sensing.

Related Experiment Videos

  • Utilizes time-correlated single photon counting multiphoton microscopy.
  • Includes detailed descriptions of data acquisition and analysis for FLIM-FRET.

    • Main Results:

    • FLIM is a powerful technique for determining intra- and intermolecular FRET.
    • Time-correlated single photon counting multiphoton microscopy enables precise measurements.
    • The review provides a comprehensive overview of the technique's capabilities.

    Conclusions:

    • FLIM-based FRET is an important technique for investigating biological systems.
    • The described methods allow for detailed analysis of molecular interactions.
    • This technology offers significant potential for advancing biological research.