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Organized nanofibrous scaffolds to mimic the macroscopic curvature of the meniscus

Authors: M. B. Fisher; E. A. Henning; J. L. Esterhai; R. L. Mauck;

Organized nanofibrous scaffolds to mimic the macroscopic curvature of the meniscus

Abstract

The menisci are crescent-shaped fibrocartilaginous tissues featuring highly aligned collagen arranged in a circumferential fashion to allow transmission of loads across the knee joint. To mimic this macroscopic orientation, we developed a novel electrospinning method to collect circumferentially aligned (CircAl) fibers, quantified their structure and mechanics, and compared them to linearly aligned (LinAl) scaffolds. Fiber orientation of CircAl scaffolds varied considerably as a function of position (p 0.05). Alterations in cellular alignment on a macroscopic scale were observed on the CircAl scaffolds. Mechanical analysis of the CircAl scaffolds revealed significant interactions between scaffold length and region (p 0.05). In conclusion, we developed electrospun nanofibrous scaffolds with a spatially varying macroscopic fiber orientation, creating a gradient in fiber alignment and differences in tensile properties over a macroscopic scale. These organized nanofibrous scaffolds can potentially direct the formation of an anatomic meniscus construct with structure and function that vary across a large anatomic expanse.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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