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Rapid hyperspectral fluorescence lifetime imaging.

Pieter De Beule¹, Dylan M Owen, Hugh B Manning

¹Department of Physics, Imperial College London, South Kensington Campus, London, SW7 2AZ, United Kingdom.

Microscopy Research and Technique

|March 17, 2007

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A new hyperspectral fluorescence lifetime imaging (FLIM) instrument enables fast, whole-field imaging of biological tissues. This high-speed system acquires detailed spectral and lifetime data in under 40 seconds.

Area of Science:

Biophotonics
Microscopy
Spectroscopy

Background:

Fluorescence lifetime imaging (FLIM) provides functional contrast in biological samples.
Acquiring hyperspectral and lifetime data simultaneously is challenging due to speed limitations.

Purpose of the Study:

To develop a rapid hyperspectral fluorescence lifetime imaging instrument.
To demonstrate its capability for imaging unstained biological tissue.

Main Methods:

Utilized a line-scanning microscope integrated with high-speed FLIM technology.
Implemented 32 spectral bins for comprehensive spectral data acquisition.
Achieved whole-field, optically sectioned image stack acquisition.

Main Results:

Related Experiment Videos

Demonstrated hyperspectral FLIM image stacks acquired in less than 40 seconds.
Successfully applied the instrument to unstained biological tissue.
Enabled simultaneous acquisition of spectral and lifetime information.

Conclusions:

The developed instrument significantly advances the speed of hyperspectral FLIM.
Offers a powerful tool for label-free imaging and analysis of biological tissues.
Opens new avenues for in-situ functional imaging in biomedical research.