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    This study introduces a simplified multi-color fluorescence microscopy technique using a customized camera for single-shot imaging. The new method reduces optical complexity and analysis time for studying biological samples.

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    Area of Science:

    • Biophotonics and Imaging
    • Cell Biology
    • Microscopy Techniques

    Background:

    • Multi-color fluorescence microscopy provides detailed insights into biological samples.
    • Current methods often involve complex optical setups, lengthy image analysis, and extended acquisition times.
    • These limitations hinder efficient observation of multiple cellular structures simultaneously.

    Purpose of the Study:

    • To develop a simplified multi-color fluorescence microscopy method for single-shot acquisition.
    • To overcome the limitations of intricate optical setups and complicated image analysis in existing techniques.
    • To enable efficient simultaneous detection of multiple biological structures.

    Main Methods:

    • Developed a novel multi-color imaging approach utilizing a customized colorimetry camera.
    • Integrated unfiltered (W) and color (R, G, B, NIR) pixel channels for broad wavelength detection and high sensitivity.
    • Simplified the optical setup by replacing a monochrome camera with the colorimetry camera in a standard fluorescence microscope.
    • Implemented image analysis procedures for reconstructing multi-color images from single-frame raw data.

    Main Results:

    • Achieved single-shot four-color wide-field fluorescence imaging of fixed cos-7 cells.
    • Demonstrated low cross-talk (<5%), comparable to state-of-the-art methods.
    • Successfully reconstructed multi-color images from a single raw image frame.

    Conclusions:

    • The developed method significantly simplifies the optical system and image analysis for multi-color fluorescence microscopy.
    • Offers an effective and accessible approach for simultaneous study of multiple biological targets.
    • Has the potential to advance research in fields requiring detailed multi-label imaging.