期刊
ADVANCED FUNCTIONAL MATERIALS
卷 28, 期 16, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201706666
关键词
cilia-inspired materials; responsive materials; smart transporting; viscoelastic microspheres
类别
资金
- National Basic Research Program of China [2013CB933003]
- Beijing Young Talent Support Program
- 111 project
- Beijing Nova Program
- Beijing Natural Science Foundation [L160003]
- Chinese National Natural Science Foundation [21671012]
- Fundamental Research Funds for the Central Universities
Anisotropic microstructures are widely used by being cleverly designed to achieve important functions. Mammals' respiratory tract is filled with dense cilia that rhythmically swing back and forth in a unidirectional wave to propel mucus and harmful substances out of the lung through larynx. Inspired by the ciliary structure and motion mechanism of the respiratory tract systems, a viscoelastic microsphere transporting strategy based on integration of airway cilium-like structure and magnetically responsive flexible conical arrays is demonstrated. Under external magnetic fields, the viscoelastic microspheres can be directionally and continuously transported alongside the swing of the cilia-like arrays that contain magnetic particles. This work provides a promising route for the design of advanced medical applications in directional transport of microspheres, drug delivery systems, ciliary dyskinesia treating, and self-cleaning without liquid.
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