High-Resolution Strain Measurement for Biomechanical Parameters Assessment in Native and Decellularized Porcine Vessels

Figure 1

Theoretical stress-strain relationship for an elastic swine vessel reported by Garcia Herrera [22, 23]. Different Young’s modulus values, E₁ and E₂, characterize the regions in which the mechanical behaviour is dominated by elastin and collagen composition of the vessel, respectively. These regions are separated by a critical point of the curve of stress-strain (ε₁,σ₁) and the collagen phase ends abruptly when the failure of the material occurs (,).