Journal
NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE
Volume 14, Issue 7, Pages 2247-2258Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nano.2018.07.012
Keywords
Poly-epsilon-caprolactone; Nanocomposite; 3D scaffold; Human meniscus; Honeycomb garland structures
Funding
- PSG Institutions
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We developed customizable biomolecule functionalized 3D poly-epsilon-caprolactone (PCL) scaffolds reinforced with carbon nanofibers (CNF) for human meniscal tissue engineering. 3D nanocomposite scaffolds exhibited commendable mechanical integrity and electrical properties with augmented cytocompatibility. Especially, the functionalized 3D (10wt% CNF) scaffolds showed similar to 363% increase in compressive moduli compared to the pristine PCL. In dynamic mechanical analysis, these scaffolds achieved highest value (similar to 42 MPa at 10 Hz) among all tested scaffolds including pristine PCL and human menisci (33, 41, 56 years). In vitro results were well supported by the outcomes of cell proliferation analysis, microscopic images, Hoechst staining and extracellular-matrix estimation. Further, in vivo rabbit bio toxicity studies revealed scaffold's non-toxicity and its future potential as a meniscus scaffold. This study also indicates that the incorporation of CNF in polymer matrix may be optimized based on mechanical properties of patient meniscus and it may help in developing the customized patient specific 3D constructs with improved multifunctional properties. (c) 2018 Elsevier Inc. All rights reserved.
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