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Fibers
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Electrospun Fibers for Scaffold and Electrical Sensing
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Electrospun Fibers for Scaffold and Electrical Sensing

A special issue of Fibers (ISSN 2079-6439).

Deadline for manuscript submissions: closed (28 February 2021) | Viewed by 18281

Special Issue Editor

Prof. Dr. Smitha Rao

E-Mail Website
Guest Editor
Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
Interests: MEMS; nanotechnology; microfluidics for cancer research; sensors and devices for biomedical sensing and implantable devices; piezo-based polymeric sensors; electrospun fibers for scaffold and electrical sensing

Special Issue Information

Dear Colleagues,

Electrospinning is a versatile technique that is able to produce nanofibers of varying lengths and morphologies. Due to its simple design and ease of industrial production, it can be used for applications in healthcare, textile industry, food processing, energy production and in the defense industry. In this context, innovative ideas on modifications to the electrospinning setup, post-processing techniques and sol-gel preparation to obtain unique polymer blends are presented daily by the scientific community.

The main purpose of this Special Issue is to present recent progress in the fabrication of electrospun fibers for scaffold and electrical sensing. In addition, this issue aims to present an up-to-date overview of the different modifications to the electrospun materials to achieve characteristics not achievable by other fabrication methods. The focus of the issue is on polymer blends of otherwise insoluble polymers for electrospinning, fabrication of coaxial or multi-axial nanofibers and controlled production of varied architectures based on electrospinning parameters. The issue will highlight advances using the electrospun fibers as scaffolds for tissue engineering, and in sensor applications.

Prof. Dr. Smitha Rao
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Fibers is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Scaffold
  • Polymer blend
  • Sensing
  • Modified electrospinning

Published Papers (2 papers)

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Research

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12 pages, 1632 KiB  
Article
Surface and Morphological Investigation of Synthesized Nanostructured Ridges from Electrospun Polyvinyl Alcohol-Albumin Blend—A Taguchi Design of Experiment Approach
by Jopeth Ramis, Bryan Pajarito, Crisneil Natividad, Mark Jared Van Ocampo, Crizaldy Tugade, John Adrian Santos and Robert Delfin
Fibers 2020, 8(5), 29; https://doi.org/10.3390/fib8050029 - 02 May 2020
Cited by 1 | Viewed by 3738
Abstract
We report the synthesis of presumably a “nanoridge” from the electrospinning of a hydrophilic polymer–protein blend. The material exhibits vertical elevation from the substrate, distinct from the morphologies seen in electrospinning. It is hypothesized that the formation of the nanostructured ridges is due [...] Read more.
We report the synthesis of presumably a “nanoridge” from the electrospinning of a hydrophilic polymer–protein blend. The material exhibits vertical elevation from the substrate, distinct from the morphologies seen in electrospinning. It is hypothesized that the formation of the nanostructured ridges is due to the migration of the charged protein to the apex through a highly polarized electric field in electrospinning conditions. In this study, we assessed the polyvinyl alcohol–egg albumin (PVA–EA) system in a solvent comprising of water, formic and acetic acid, together with the tip-to-collector distance (TCD) and solution flowrate. To quantify the factor effects in the surface properties of the material, a Taguchi design of experiment was used. The ridge heights observed ranged from 84.8–639.9 nm, and the material height is predominantly affected by the PVA–EA ratio and solution flow rate. The root mean square roughness was influenced by the TCD and flow rate, which has values ranging from 11.37–57.56 nm. In evaluating the sharpness of the ridge, we used the radius of curvature, where the TCD highly affects the apex sharpness. The work offers not just a likely new class of morphology, but a new perspective on the surface characterization of an electrospun material which could affect the performance of such a use in biological and physical systems. Full article
(This article belongs to the Special Issue Electrospun Fibers for Scaffold and Electrical Sensing)
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Review

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35 pages, 3540 KiB  
Review
Multi-Functional Electrospun Nanofibers from Polymer Blends for Scaffold Tissue Engineering
by Samerender Nagam Hanumantharao and Smitha Rao
Fibers 2019, 7(7), 66; https://doi.org/10.3390/fib7070066 - 19 Jul 2019
Cited by 59 | Viewed by 13936
Abstract
Electrospinning and polymer blending have been the focus of research and the industry for their versatility, scalability, and potential applications across many different fields. In tissue engineering, nanofiber scaffolds composed of natural fibers, synthetic fibers, or a mixture of both have been reported. [...] Read more.
Electrospinning and polymer blending have been the focus of research and the industry for their versatility, scalability, and potential applications across many different fields. In tissue engineering, nanofiber scaffolds composed of natural fibers, synthetic fibers, or a mixture of both have been reported. This review reports recent advances in polymer blended scaffolds for tissue engineering and the fabrication of functional scaffolds by electrospinning. A brief theory of electrospinning and the general setup as well as modifications used are presented. Polymer blends, including blends with natural polymers, synthetic polymers, mixture of natural and synthetic polymers, and nanofiller systems, are discussed in detail and reviewed. Full article
(This article belongs to the Special Issue Electrospun Fibers for Scaffold and Electrical Sensing)
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