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Time sweep of G′ as a function of PEGDA concentration (10, 5, 2.5, 1, and 0.5%) and Gtn-S percentage (75, 50, 25, and 0%). A1) 75%. A2) 50%. A3) 25%. A4) 0%. B) Elastic modulus of the hydrogels as a function of PEGDA concentration and Gtn-S percentage.
