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Rocky Mountain Instruments - Infrared Optics LB

Catheter Combines Ultrasound and Multispectral Fluorescence to Measure Arterial Plaque

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A novel cardiac catheter probe combines intravascular ultrasound (IVUS) and fluorescence lifetime imaging (FLIM) in a single device that can image the arteries of a living heart. The catheter can simultaneously retrieve structural and biochemical information about arterial plaque that could help physicians more reliably predict heart attacks. Researchers at the University of California, Davis, integrated IVUS and FLIM elements into a compact, single rotational intravascular catheter. An optical fiber in the catheter sends short laser pulses into surrounding tissue, which responds by...Read full article

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    Published: October 2017
    Glossary
    fluorescence lifetime imaging
    Fluorescence lifetime imaging (FLIM) is an advanced imaging technique that provides information about the lifetime of fluorescence emissions from fluorophores within a sample. Unlike traditional fluorescence imaging, which relies on the intensity of emitted light, FLIM focuses on the time a fluorophore remains in its excited state before returning to the ground state. This fluorescence lifetime is influenced by the local environment and can be used for various applications in biological and...
    Research & TechnologyeducationAmericasfiber opticsImagingLight Sourcesfluorescence lifetime imagingFLIMmedicinemedicalBiophotonicsCardiac catheterplaquesmyocardial infarctionBioScan

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