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Quantitative characterization of articular cartilage using Mueller matrix imaging and multiphoton microscopy

Ellingsen, Pål Gunnar; Lilledahl, Magnus Borstad; Aas, Lars Martin Sandvik; Davies, Catharina De Lange; Kildemo, Morten
Journal article, Peer reviewed
Published version
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URI
http://hdl.handle.net/11250/2621602
Date
2011
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Original version
Journal of Biomedical Optics. 2011, 16 (11), 116002-1-116002-6.   10.1117/1.3643721
Abstract
The collagen meshwork in articular cartilage of chicken knee is characterized using Mueller matrix imaging and multiphoton microscopy. Direction and degree of dispersion of the collagen fibers in the superficial layer are found using a Fourier transform image-analysis technique of the second-harmonic generated image. Mueller matrix images are used to acquire structural data from the intermediate layer of articular cartilage where the collagen fibers are too small to be resolved by optical microscopy, providing a powerful multimodal measurement technique. Furthermore, we show that Mueller matrix imaging provides more information about the tissue compared to standard polarization microscopy. The combination of these techniques can find use in improved diagnosis of diseases in articular cartilage, improved histopathology, and additional information for accurate biomechanical modeling of cartilage.
Publisher
Society of Photo-optical Instrumentation Engineers (SPIE)
Journal
Journal of Biomedical Optics

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