Reinforcement of Dextran Methacrylate-Based Hydrogel, Semi-IPN, and IPN with Multivalent Crosslinkers.

Observing the profile of the force applied by the probe as a function of deformation, it is possible to notice that there is an increasing trend, with increasing slope, as the distance covered by the probe increases, up to the breaking point of the gel, evidenced by a collapse of the curve.

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The introduction of crosslinkers in a 2:1 ratio ( Figure 4 D) does not impact the resistance of the matrix after 1 min of irradiation, while, after 5 min of crosslinking, a decreasing trend can be observed as the functionality of the introduced crosslinkers increases.

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