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The compressive mechanical properties of GH, GH-GlcN9 and GH-GlcN16 cryogels. (a) Stress-strain curve; (b) stress relaxation at 30% strain. The viscoelastic properties of cryogels determined by dynamic compression testing at 30% strain are shown as storage modulus (E′) and loss modulus (E″) (c); and loss tangent (tan δ) (d).
