A novel strategy to directly bioprint cell-laden gelatin methacryloyl (GelMA) constructs using bioinks of GelMA physical gels (GPGs) is developed by Ali Khademhosseini, Yu Shrike Zhang, and co-workers in article number 1601451. Attributed to their shear-thinning and self-healing properties, GPG bioinks containing down to 3% GelMA can retain the shape and form integral structures after deposition, allowing for subsequent UV crosslinking for chemical stabilization.
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