Page 423 - IJB-9-4

International Journal of Bioprinting 3D bioprinting of artificial blood vessel

A B

Figure 4. (A) Polymer backbones and photo-cross-linkable side groups used in the study reported in . Dithiothreitol was used as cross-linker in the step-
[90]
growth mechanism. (B) Schematic depiction of the preparation of customizable HAMA/alginate-based microtubes . Figure 4B reproduced from ref.
[93]
[93]
with permission from John Wiley and Sons, Inc. (License Number: 5355220749244).
A B

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Figure 5. Guest-host hydrogel formation enables shear-thinning injection and hydrogel retention . Figure 5 reproduced from ref. [99] with permission
[99]
from John Wiley and Sons, Inc. (License Number: 5355231470261).

and one α2(I) chain, and the repetitive nature of the amino Collagen bioinks show excellent biocompatibility and
acid sequence consists of –[Gly (glycine)-X-Y-] , where X can self-assemble to form hydrogels under physiological
n
and Y are always proline and hydroxyproline residues [102] . conditions [103] . The cross-linking time of collagen is

Volume 9 Issue 4 (2023) 415 https://doi.org/10.18063/ijb.740