Out-of-Phase Imaging after Optical Modulation (OPIOM) for Multiplexed Fluorescence Imaging Under Adverse Optical...

Area of Science:

• Biophotonics
• Microscopy techniques
• Fluorescence imaging

Background:

• Fluorescence imaging is vital in biology but faces challenges from ambient light, autofluorescence, and spectral interference.
• Existing methods struggle to achieve high selectivity in complex biological samples.

Purpose of the Study:

• To review current strategies for overcoming optical interferences in fluorescence imaging.
• To introduce and detail the implementation of Out-of-Phase Imaging after Optical Modulation (OPIOM).

Main Methods:

• Examination of existing techniques for optical interference mitigation.
• Detailed explanation of the OPIOM principle and its application.
• Protocols for successful OPIOM implementation in fluorescence microscopy.

Main Results:

• OPIOM effectively addresses limitations posed by ambient light and autofluorescence.
• The technique allows for highly selective multiplexed fluorescence imaging.
• Successful implementation protocols are provided for practical use.

Conclusions:

• OPIOM offers a robust solution for challenging fluorescence imaging scenarios.
• The method enhances selectivity and signal-to-noise ratio in biological observations.
• OPIOM is a valuable tool for advanced multiplexed fluorescence imaging.