High speed unsupervised fluorescence lifetime imaging confocal multiwell plate reader for high content analysis

Area of Science:

• Biophysics
• Cell Biology
• Drug Discovery

Background:

• High content analysis (HCA) is crucial for drug discovery and cell biology.
• Automated imaging systems are needed to increase throughput and reproducibility.
• Fluorescence Lifetime Imaging (FLIM) provides rich molecular information but often requires manual operation.

Purpose of the Study:

• To develop an automated optically sectioning fluorescence lifetime imaging (FLIM) multiwell plate reader.
• To enable high content analysis (HCA) for drug discovery and cell biology research.
• To demonstrate the system's capability for various applications including FLIM-FRET.

Main Methods:

• Utilized a Nipkow disc confocal microscope for optical sectioning.
• Implemented unsupervised FLIM with autofocus and automatic parameter setting.
• Developed automated cell localization within the field of view.

Main Results:

• Successfully created an automated FLIM multiwell plate reader.
• Demonstrated unsupervised FLIM acquisition with high precision.
• Validated applications in dye solutions, fixed and live cells, and FLIM-FRET assays.

Conclusions:

• The automated FLIM reader significantly enhances HCA for drug discovery.
• The system accelerates research in cell biology by automating complex FLIM measurements.
• This technology offers a powerful tool for quantitative biological imaging and screening.