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Rheological evaluation of the collagen type I hydrogel and hybrid hydrogels obtained with 0.1 mg/mL NaF and 10 mg/mL glycine at 37 °C in DPBS pH 7.4 and aged for six days. (a) Maximal stress before rupture; (b) maximal strain before rupture; (c) Young’s modulus; (d) mesh size calculated by rheology.
