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Biocompatible hydrogel inks with shear‐thinning, appropriate yield strength, and fast self‐healing are desired for 3D bioprinting. However, the lack of ideal 3D bioprinting inks with outstanding printability and high structural fidelity, as well as cell‐compatibility, has hindered the progress of extrusion‐based 3D bioprinting for tissue engineering. In this study, novel self‐healable pre‐cross‐linked...
In article number 1910573, Jun Fu and co‐workers demonstrate a novel direct 3D bioprinting method through extrusion of self‐healable hydrogel microparticles. Extensive hydrogen bonding between microparticles enables thixotropy and rapid self‐healing, which are key to the successful direct printing of biomimetic constructs with excellent shape fidelity at organ‐relevant scales to support the formation...
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