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| Content Provider | PubMed Central |
|---|---|
| Author | Zhu, Junmin |
| Copyright Year | 2010 |
| Abstract | In this review, we explore different approaches for introducing bioactivity into poly(ethylene glycol) (PEG) hydrogels. Hydrogels are excellent scaffolding materials for repairing and regenerating a variety of tissues because they can provide a highly swollen three-dimensional (3D) environment similar to soft tissues. Synthetic hydrogels like PEG-based hydrogels have advantages over natural hydrogels, such as the ability for photopolymerization, adjustable mechanical properties, and easy control of scaffold architecture and chemical compositions. However, PEG hydrogels alone cannot provide an ideal environment to support cell adhesion and tissue formation due to their bio-inert nature. The natural extracellular matrix (ECM) has been an attractive model for the design and fabrication of bioactive scaffolds for tissue engineering. ECM-mimetic modification of PEG hydrogels has emerged as an important strategy to modulate specific cellular responses. To tether ECM-derived bioactive molecules (BMs) to PEG hydrogels, various strategies have been developed for the incorporation of key ECM biofunctions, such as specific cell adhesion, proteolytic degradation, and signal molecule-binding. A number of cell types have been immobilized on bioactive PEG hydrogels to provide fundamental knowledge of cell/scaffold interactions. This review addresses the recent progress in material designs and fabrication approaches leading to the development of bioactive hydrogels as tissue engineering scaffolds. |
| Related Links | http://dx.doi.org/10.1016/j.biomaterials.2010.02.044 |
| Ending Page | 4656 |
| Page Count | 18 |
| Starting Page | 4639 |
| File Format | |
| ISSN | 01429612 |
| e-ISSN | 18785905 |
| Journal | Biomaterials |
| Issue Number | 17 |
| Volume Number | 31 |
| Language | English |
| Publisher Date | 2010-06-01 |
| Access Restriction | Open |
| Subject Keyword | Biophysics Mechanics of Materials Bioengineering Biomaterials Ceramics and Composites Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ceramics and Composites Nanoscience and Nanotechnology Mechanics of Materials Biomaterials Biophysics Bioengineering |
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