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9 March 2020 Indocyanine green provides absorption and spectral contrast for optical coherence tomography at 840 nm in vivo (Conference Presentation)
Conrad W. Merkle, Marco Augustin, Danielle J. Harper, Bernhard Baumann
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Proceedings Volume 11228, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIV; 112282B (2020) https://doi.org/10.1117/12.2548999
Event: SPIE BiOS, 2020, San Francisco, California, United States
Abstract
In recent years, there has been growing interest in the application of exogenous contrast agents to supplement the traditional strengths of optical coherence tomography (OCT). Here we present how indocyanine green (ICG), a common fluorescent contrast agent, can provide absorption and spectral contrast for OCT imaging in the mouse eye in vivo. We further demonstrate high stability of spectral contrast measurements for long term monitoring of contrast agents despite intensity fluctuations. This type of contrast-enhanced OCT may be able to provide similar information to ICG fluorescence angiography, but with the added benefit of depth-resolution and perfectly coregistered OCT intensity data.
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Conrad W. Merkle, Marco Augustin, Danielle J. Harper, and Bernhard Baumann "Indocyanine green provides absorption and spectral contrast for optical coherence tomography at 840 nm in vivo (Conference Presentation)", Proc. SPIE 11228, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIV, 112282B (9 March 2020); https://doi.org/10.1117/12.2548999
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KEYWORDS
Optical coherence tomography
Absorption
In vivo imaging
Indocyanine green
Eye
Gold
Luminescence
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