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. Author manuscript; available in PMC: 2019 Sep 30.
Published in final edited form as: ACS Biomater Sci Eng. 2018 Nov 4;4(12):4354–4366. doi: 10.1021/acsbiomaterials.8b01142

Table 2.

Swell Ratio of Different Hep-HA Hydrogels

sample soft Hep-
HA		 stiff Hep-HA
polymer concentration 2 wt % 4 wt %
before swelling storage modulus (G’ = Pa) 573 ± 46a 1762 ± 197a
after swelling storage modulus (G’ = Pa) 333 ± 60a 1176 ± 137a
swelling ratio (Ws/Wd) 47.9 ± 7.3 29.4 ± 3.2
a

p < 0.05 between soft and stiff Hep-HA hydrogels.