期刊
JOURNAL OF MATERIALS CHEMISTRY B
卷 4, 期 2, 页码 318-326出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5tb02035b
关键词
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资金
- Swedish Research Council [621-2012-4286, 521-2012-5706]
- NSERC
- UOHI
In this study, we derivatized type I collagen without altering its triple helical conformation to allow for facile hydrogel formation via the Michael addition of thiols to methacrylates without the addition of other crosslinking agents. This method provides the flexibility needed for the fabrication of injectable hydrogels or pre-fabricated implantable scaffolds, using the same components by tuning the modulus from Pa to kPa. Enzymatic degradability of the hydrogels can also be easily fine-tuned by variation of the ratio and the type of the crosslinking component. The structural morphology reveals a lamellar structure mimicking native collagen fibrils. The versatility of this material is demonstrated by its use as a pre-fabricated substrate for culturing human corneal epithelial cells and as an injectable hydrogel for 3-D encapsulation of cardiac progenitor cells.
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