Figure 3.

Variation in diffusivity of oxygen with applied strain at room temperature (22.2°C ± 0.45°C). A linear regression (R² = 0.562, n=60) was used to estimate the diffusivity at zero stain. In the linear regression, D is the diffusivity and ε is the applied compression (%). From this, the oxygen diffusivity in bovine AF at 0% compression (i.e., ε = 0) was determined to be 1.56 × 10⁻⁵ cm²/s.