期刊
ADVANCED MATERIALS
卷 29, 期 45, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201703045
关键词
bioinspired materials; highly ordered structures; nanocomposite hydrogels
类别
资金
- National Key R&D Program of China [2017YFA0207800]
- National Natural Science Foundation [21574004]
- 111 project [B14009]
- Fundamental Research Funds for the Central Universities
- National Young Thousand Talents Program
In the human body, many soft tissues with hierarchically ordered composite structures, such as cartilage, skeletal muscle, the corneas, and blood vessels, exhibit highly anisotropic mechanical strength and functionality to adapt to complex environments. In artificial soft materials, hydrogels are analogous to these biological soft tissues due to their soft and wet properties, their biocompatibility, and their elastic performance. However, conventional hydrogel materials with unordered homogeneous structures inevitably lack high mechanical properties and anisotropic functional performances; thus, their further application is limited. Inspired by biological soft tissues with well-ordered structures, researchers have increasingly investigated highly ordered nanocomposite hydrogels as functional biological engineering soft materials with unique mechanical, optical, and biological properties. These hydrogels incorporate long-range ordered nanocomposite structures within hydrogel network matrixes. Here, the critical design criteria and the state-of-the-art fabrication strategies of nanocomposite hydrogels with highly ordered structures are systemically reviewed. Then, recent progress in applications in the fields of soft actuators, tissue engineering, and sensors is highlighted. The future development and prospective application of highly ordered nanocomposite hydrogels are also discussed.
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