期刊
ADVANCED MATERIALS
卷 30, 期 20, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201705912
关键词
biomaterials; drug delivery; hydrogels; microfluidics; microgels
类别
资金
- National Science Foundation [CBET-1604536, DMR-1720530, PENN MRSE CDMR-1120901]
- American Heart Association
Injectable hydrogels are useful for numerous biomedical applications, such as to introduce therapeutics into tissues or for 3D printing. To expand the complexity of available injectable hydrogels, shear-thinning and self-healing granular hydrogels are developed from microgels that interact via guest-host chemistry. The microgel properties (e.g., degradation, molecule release) are tailored through their crosslinking chemistry, including degradation in response to proteases. When microgels of varied formulations are mixed, complex release and degradation behaviors are observed, including after injection to permit cellular invasion.
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