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Polyelectrolyte gelatin-chitosan hydrogel optimized for 3D bioprinting in skin tissue engineering

Figure 8. Live-dead staining on Day 4. (Left) chitosan hydrogel, (Right) 5% PGC hydrogel (scale bar: 100 μm).

mature to form a functional tissue. As such, 3D bio-
printing serves as an attractive platform to facilitate Conflict of Interest and Funding
cellular and matrix deposition in a spatially-controlled No conflict of interest was reported by the authors.
3D matrix. Chitosan is a promising polymer used in
wound healing applications due to its antimicrobial Acknowledgments
and hemostasis properties. In this work, modification The first author would like to thank the scholarship
to the chitosan was carried out via the addition of ge- sponsorship by A*STAR Graduate Academy.
latin to form printable polyelectrolyte gelatin-chitosan
(PGC) hydrogels. We have optimized PGC hydrogels References
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th
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60 International Journal of Bioprinting (2016)–Volume 2, Issue 1