Evanescent-wave field imaging: an introduction to total internal reflection fluorescence microscopy

Area of Science:

• Cell Biology
• Microscopy Techniques
• Biophysics

Background:

• Recent technological and computational advancements have significantly improved microscopy.
• These improvements include better light detection, imaging software, and hardware integration.
• This has led to the broader adoption of advanced techniques like TIRF microscopy.

Purpose of the Study:

• To provide a foundational understanding of total internal reflection fluorescence (TIRF) microscopy.
• To outline key considerations for establishing TIRF microscopy in a laboratory setting.

Main Methods:

• Utilizes the principle of total internal reflection to illuminate a thin region near the coverslip.
• Employs modern, sensitive detectors for signal capture.
• Focuses illumination to the cell-coverslip interface.

Main Results:

• Enables visualization of dynamic cellular events with unprecedented resolution.
• Reveals previously unappreciated aspects of cell biology.
• Provides a glimpse into phenomena occurring at the cell-substrate interface.

Conclusions:

• TIRF microscopy is now accessible for mainstream research due to technological progress.
• It offers a powerful tool for studying dynamic cellular processes at high resolution.
• This chapter serves as a guide for implementing TIRF microscopy in life science research.