Articular cartilage optical properties in the near-infrared (NIR) spectral range vary with depth and tissue integrity | Zendy

Bilour Khan | Zendy; Iman KafianAttari | Zendy; Ervin Nippolainen | Zendy; Rubina Shaikh | Zendy; D. Semenov | Zendy; Markku HautaKasari | Zendy; Juha Töyräs | Zendy; Isaac O. Afara | Zendy

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Articular cartilage optical properties in the near-infrared (NIR) spectral range vary with depth and tissue integrity

Author(s) -

Bilour Khan,

Iman KafianAttari,

Ervin Nippolainen,

Rubina Shaikh,

D. Semenov,

Markku HautaKasari,

Juha Töyräs,

Isaac O. Afara

Publication year - 2021

Publication title -

biomedical optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.362

H-Index - 86

ISSN - 2156-7085

DOI - 10.1364/boe.430053

Subject(s) - optics , materials science , articular cartilage , near infrared spectroscopy , diffuse optical imaging , cartilage , infrared , biomedical engineering , range (aeronautics) , optical coherence tomography , medicine , anatomy , osteoarthritis , pathology , tomography , physics , alternative medicine , composite material

Optical properties of biological tissues in the NIR spectral range have demonstrated significant potential for in vivo diagnostic applications and are critical parameters for modelling light interaction in biological tissues. This study aims to investigate the optical properties of articular cartilage as a function of tissue depth and integrity. The results suggest consistent wavelength-dependent variation in optical properties between cartilage depth-wise zones, as well as between healthy and degenerated tissue. Also, statistically significant differences (p<0.05) in both optical properties were observed between the different cartilage depth-wise zones and as a result of tissue degeneration. When taken into account, the outcome of this study could enable accurate modelling of light interaction in cartilage matrix and could provide useful diagnostic information on cartilage integrity.

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