Characterization of the mechanical properties of resected porcine organ tissue using optical fiber photoelastic polarimetry | Zendy

Alexa W. Hudnut | Zendy; Behzad Babaei | Zendy; Sonya Liu | Zendy; Brent K. Larson | Zendy; Shan M. Mumenthaler | Zendy; Andrea M. Armani | Zendy

Open Access

Characterization of the mechanical properties of resected porcine organ tissue using optical fiber photoelastic polarimetry

Author(s) -

Alexa W. Hudnut,

Behzad Babaei,

Sonya Liu,

Brent K. Larson,

Shan M. Mumenthaler,

Andrea M. Armani

Publication year - 2017

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.8.004663

Subject(s) - polarimetry , viscoelasticity , materials science , photoelasticity , elasticity (physics) , biomedical engineering , young's modulus , collagen fiber , elastic modulus , liver tissue , optical fiber , optics , composite material , anatomy , medicine , physics , scattering , solid mechanics

Characterizing the mechanical behavior of living tissue presents an interesting challenge because the elasticity varies by eight orders of magnitude, from 50Pa to 5GPa. In the present work, a non-destructive optical fiber photoelastic polarimetry system is used to analyze the mechanical properties of resected samples from porcine liver, kidney, and pancreas. Using a quasi-linear viscoelastic fit, the elastic modulus values of the different organ systems are determined. They are in agreement with previous work. In addition, a histological assessment of compressed and uncompressed tissues confirms that the tissue is not damaged during testing.

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