Figure 5
From: Desmosine-Inspired Cross-Linkers for Hyaluronan Hydrogels

Stress-strain curves for HA-SH-5a (filled) and HA-SH-5b (empty) hydrogels with 1.0 cross-linker equiv.
σn represents the nominal stress, λ the deformation ratio. Solid black lines represent fitting curves based on equation (1), (R2 > 0.99 for both fittings).