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Table 2 Cyclical Loading Results, Day 1

From: Enzymatic digestion of articular cartilage results in viscoelasticity changes that are consistent with polymer dynamics mechanisms

  Loading Frequency [Hz]
  0.01 0.1 1 10 20
[MPa] E' E" E' E" E' E" E' E" E' E"
HBSS Control 2.81 ± 0.54 2.29 ± 0.32 6.09 ± 0.89 2.41 ± 0.19 8.06 ± 0.99 1.73 ± 0.07 10.11 ± 1.08 2.05 ± 0.08 11.15 ± 1.09 2.30 ± 0.08
Bacterial Hyaluronidase 0.89 ± 0.15* 1.08 ± 0.14* 2.77 ± 0.30* 1.66 ± 0.88* 4.32 ± 0.33* 1.45 ± 0.05* 5.93 ± 0.39* 1.74 ± 0.05* 6.81 ± 0.38* 2.02 ± 0.05*
Collagenase 0.96 ± 0.17* 1.47 ± 0.22 3.43 ± 0.47* 1.95 ± 0.18 4.77 ± 0.56* 1.30 ± 0.09* 5.81 ± 0.63* 1.52 ± 0.14* 6.42 ± 0.69* 1.81 ± 0.17*
Culture Control 6.44 ± 0.30 5.16 ± 0.20 14.09 ± 0.47 4.09 ± 0.12 17.29 ± 0.56 2.08 ± 0.07 19.5 ± 0.65 2.1 ± 0.07 20.23 ± 0.70 2.58 ± 0.10
  1. E' represents storage modulus and E" represents the loss modulus. * indicates significant differences between enzyme-treated group and HBSS control group.