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Fabrication and Morphological Investigation of Multi-walled Electrospun Polymeric Nanofibers

Published online by Cambridge University Press:  07 April 2014

Jamal Seyyed Monfared Zanjani
Affiliation:
Faculty of Engineering and Natural Sciences, Sabanci University, Tuzla, Istanbul 34956, Turkey
Burcu Saner Okan
Affiliation:
Sabanci University Nanotechnology Research and Application Center, SUNUM, Tuzla, Istanbul 34956, Turkey
Mehmet Yildiz
Affiliation:
Faculty of Engineering and Natural Sciences, Sabanci University, Tuzla, Istanbul 34956, Turkey
Yusuf Menceloglu
Affiliation:
Faculty of Engineering and Natural Sciences, Sabanci University, Tuzla, Istanbul 34956, Turkey
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Abstract

Multi-walled nanofibers with their outstanding properties have found expanding applications on drug delivery systems, biosensors, self-healing materials and many other state-of-the-art technologies. This work investigates the fabrication and morphological control of multi-walled structured electrospun polymeric nanofibers by multi-axial electrospinning system. This process is based on a nozzle allowing multi-axial extrusion of different fluids with concentric orders. Two spinnable polymers of poly(methyl methacrylate) and polyacrylamide are chosen for the fabrication of middle and outer walls of co-axial hollow nanofibers, respectively. Hansen’s solubility parameters are used to systematically optimize the solvent selection for each layer and control the degree of miscibility of layers with the purpose of tailoring the final wall morphology of nanofibers. Characterization studies are performed by Scanning Electron Microscopy, Energy-Dispersive X-ray Spectroscopy, Fourier Transform Infrared Spectroscopy, and Thermal Gravimetric Analyzer.

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Copyright
Copyright © Materials Research Society 2014 

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