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Structural characterization and rheological properties of supramolecular hydrogel-based bioink. a) FTIR spectra of bioink main components. b) XRD patterns. c) G′ and G″ at an angular frequency of 1 Hz at 25 °C. d) Apparent viscosity of bioink under steady shear from 0.1 s−1 to 100 s−1 at 25 °C. e) G′ and G″ under steady angular frequency from 0.1 rad/s to 100 rad/s and an oscillatory strain of 5% at 25 °C.
