Figure 3 | Scientific Reports

Figure 3

From: Hybrid hydrogels containing vertically aligned carbon nanotubes with anisotropic electrical conductivity for muscle myofiber fabrication

Figure 3

Mechanical properties of pristine GelMA and hybrid GelMA-CNT hydrogels containing different concentrations of CNTs (0.1, 0.3 and 1 mg/mL), as measured by AFM.

(A) Young's modulus map, Young's modulus distribution and force deformation curves for pristine 5% GelMA hydrogels (left to right, respectively). The red curve represents the force deformation curve as the AFM cantilever approached the surface and the blue curve is the force deformation curve produced when the cantilever left the surface. The green line was calculated according to the DMT theory. (B) Young's modulus map, Young's modulus distribution and force deformation curves for hybrid GelMA-random CNT hydrogels (left to right, respectively). (C) Young's modulus map, Young's modulus distribution and force deformation curves for hybrid GelMA-vertically aligned CNT hydrogels (left to right, respectively). Data in part (D) are presented as mean ± standard deviation obtained from at least 5 AFM pictures with 4096 independent data points in each.

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