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Representative step shear stress relaxation response (symbols) and curve fits (lines) of experimental results with the QLV model for alginate scaffolds with a cell density of 60 × 106/mL (60 M/mL) at 1 (▪), 20 (•) and 40 (♦) days. Parameters G0, c, and τ2 represent instantaneous shear modulus, energy dissipation coefficient, and upper limit of characteristic time, respectively. QLV, quasi-linear viscoelastic. Color images available online at www.liebertonline.com/tea.
