Table 4.

Viscoelastic Properties of the Constituents of the Vocal Fold Replicas and the Hyaluronic Acid–Gelatin Hydrogels (0.50% Hyaluronic Acid, 0.10% Gelatin, and 0.50% Polyethylene Glycol Di-Acrylate or Polyethylene Glycol Tetra-Acrylate)

Constituents	Shear elastic modulus at 1.0 Hz (Pa)	Loss modulus at 1.0 Hz (Pa)	Shear elastic modulus at 10.0 Hz (Pa)	Loss modulus at 10.0 Hz (Pa)
Dragon Skin	6874.9 ± 347.5	342.0 ± 0.1	10342.5 ± 2202.6	1472.5 ± 392.4
Ecoflex 0010	1872.9 ± 6.4	238.3 ± 6.7	3231.0 ± 55.2	992.4 ± 20.7
HA–Ge–PEGDA	99.2 ± 1.8	1.7 ± 0.4	110.8 ± 4.8	4.5 ± 1.2
HA–Ge–PEGTA	188.6 ± 1.4	2.9 ± 0.5	196.3 ± 6.9	7.6 ± 1.9

Mean and standard deviations are shown for three replicates.