HIERARCHICAL MULTISCALE FIBROUS SCAFFOLD VIA 3-D ELECTROSTATIC DEPOSITION PROTOTYPING AND CONVENTIONAL ELECTROSPINNING
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United States of America Patent
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Jan 17, 2014
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Jan 18, 2013
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Abstract
A hierarchical multiscale fibrous scaffold comprises multiple patterned layers of microfibers with one or more layers of nanofibers interleaved therebetween. In a method for making such scaffolds, electrodeposition or near-field electrospinning is used to deposit patterned layers of microfibers in a stack. Conventional electrospinning is used to deposit nanofibers on the layers of microfibers. The method may be used to tune the mechanical properties of the scaffold, facilitated by microfibers, and the biological features of the scaffold, facilitated by nanofibers. Scaffolds produced by such a process may have highly biomimetic architectures, and allow rapid cellular infiltration and sustainable cell growth for multiple tissue types.
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