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(a) A comparison of the width of fibers of hydrogels 1A, 1C, 1G and 1T based on transmission electron micrographs (in red) and molecular mechanical calculations (in blue). 72 hr cell viability test of (b) 1A, 1C, 1T and 1G; (c) 2A, 2C, 2T and 2G. (d) Optical images of HeLa cells on the surface 0 h and 20 h after the creation of scratch-wound in the presence of hydrogel 3T (by adding 27.7 mM of 3T in the media).
