Total internal reflection with fluorescence correlation spectroscopy: Applications to substrate-supported planar...

Area of Science:

• Biophysics
• Spectroscopy
• Membrane science

Background:

• Fluorescence Correlation Spectroscopy (FCS) is a powerful technique for analyzing molecular dynamics.
• Total Internal Reflection (TIR) microscopy enhances surface sensitivity by confining excitation light.
• Combining TIR with FCS (TIR-FCS) offers unique advantages for studying interfacial phenomena.

Purpose of the Study:

• To describe the conceptual basis and experimental design of TIR-FCS.
• To review current and potential applications of TIR-FCS, particularly for supported membranes.
• To discuss related methodologies and future prospects.

Main Methods:

• Detailed explanation of the principles behind TIR-FCS.
• Discussion of experimental setups and data analysis for TIR-FCS.
• Comparison with related spectroscopic and microscopic techniques.

Main Results:

• The paper outlines the fundamental aspects of TIR-FCS.
• It highlights existing applications, including those involving supported membranes.
• Related techniques are summarized, providing context for TIR-FCS.

Conclusions:

• TIR-FCS is a versatile technique with significant potential for surface-sensitive molecular studies.
• Further development and application of TIR-FCS are expected in various scientific fields.
• The review provides a foundation for researchers interested in utilizing or advancing TIR-FCS.