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Plasma-Treated Flexible Aminoclay-Decorated Electrospun Nanofibers for Neural Stem Cell Self-Renewal

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Biocompatible Mg- and Fe-aminoclays (MgAC and FeAC)-decorated polyacrylonitrile (PAN) nanofibers (NFs, diameter range: 190–380 nm) are prepared by the electrospinning process. There is a large increase in the biomolecular activities of the PAN NFs that were oxygen plasma (OP)-treated (the OPNFs) relative to those of the pristine PAN NFs, due to the OP treatment’s carboxylation and/or hydroxylation of the PAN NF surfaces. With morphological observation by scanning electron microscopy (SEM), and following further confirmation of the Fourier-transform infrared (FI-IR) spectra of the as-prepared AC-OPNFs, human neural stem cell (NSC) self-renewal is tested, focusing on the relevant discrepancies among the AC-OPNFs, OPNFs, and pristine PAN NFs as flexible cellular matrices. Interestingly, NSCs are attached well on four NFs without conventional coating materials. Self-renewal of NSCs is confirmed by marker expressions such as PAX6 and N-CADHERIN. Among four NFs, FeAC-OPNFs shows the best property of NSC self-renewal. It is expected that AC-OPNFs can be xeno-free and protein-free extracellular matrices for supporting human NSC self-renewal.

Document Type: Research Article

Publication date: February 1, 2016

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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