Hyperelastic Ex Vivo Cervical Tissue Mechanical Characterization
Metadatos
Mostrar el registro completo del ítemAutor
Callejas Zafra, Antonio Manuel; Melchor, Juan; Faris al Azzawi, Inas H; Rus Carlborg, GuillermoEditorial
Mdpi
Materia
Hyperelasticity Uniaxial tensile test Cervical tissue Nonlinearity Hyperelastic models
Fecha
2020-08-05Referencia bibliográfica
Callejas, A., Melchor, J., Faris, I. H., & Rus, G. (2020). Hyperelastic Ex Vivo Cervical Tissue Mechanical Characterization. Sensors, 20(16), 4362. [doi:10.3390/s20164362]
Patrocinador
Ministry of Education DPI2017-83859-R DPI2014-51870-R UNGR15-CE-3664; Ministry of Health - Turkey DTS15/00093; Junta de Andalucía PI16/00339 PI-0107-2017 PIN-0030-2017Resumen
This paper presents the results of the comparison between a proposed Fourth Order Elastic
Constants (FOECs) nonlinear model defined in the sense of Landau’s theory, and the two most
contrasted hyperelastic models in the literature, Mooney–Rivlin, and Ogden models. A mechanical
testing protocol is developed to investigate the large-strain response of ex vivo cervical tissue samples
in uniaxial tension in its two principal anatomical locations, the epithelial and connective layers.
The final aim of this work is to compare the reconstructed shear modulus of the epithelial and
connective layers of cervical tissue. According to the obtained results, the nonlinear parameter
A from the proposed FOEC model could be an important biomarker in cervical tissue diagnosis.
In addition, the calculated shear modulus depended on the anatomical location of the cervical tissue
(mepithelial = 1.29 0.15 MPa, and mconnective = 3.60 0.63 MPa) .