AccScience Publishing / IJB / Volume 9 / Issue 6 / DOI: 10.36922/ijb.0024
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RESEARCH ARTICLE

Electrospinning polyethylene terephthalate glycol

Mohamed H. Hassan1* Abdalla M. Omar1 Evangelos Daskalakis1 Bruce Grieve2 Paulo J.D.S. Bartolo1,3
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1 Department of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester, M13 9PL, United Kingdom
2 Department of Electrical and Electronic Engineering, The University of Manchester, Manchester M13 9PL, United Kingdom
3 Singapore Centre for 3D Printing, School of Mechanical and Aerospace Engineering, Nanyang Technological University 639798, Singapore
Submitted: 26 January 2023 | Accepted: 5 March 2023 | Published: 21 June 2023
© 2023 by the Author(s). This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution 4.0 International License ( https://creativecommons.org/licenses/by/4.0/ )
Abstract

Polyethylene terephthalate glycol (PETG) is a difficult-to-spin material, and no previous papers have reported the correct conditions to create PETG meshes. To address this issue, a preliminary study on the solubility and electrospinnability of PETG using a range of solvent system was conducted and a Teas graph was established to select the ideal solvent system. Based on these preliminary results, electrospun PETG fibers were produced using a highly volatile binary solvent system consisting of dichloromethane (DCM) and trifluoroacetic acid (TFA). Produced meshes were extensively characterized, and the results demonstrated for the first time the ability of electrospun PETG meshes to support the inoculation and germination of yellow rust spores, thus confirming that PETG is an ideal material to be used for the fabrication of agriculture biosensors. The results also showed that the best solvent split was 85/15 (DCM/TFA).

Keywords
Electrospinning
Biomaterial
Yellow rust
Polyethylene terephthalate glycol
Bioactive
Funding
University of Manchester and UK Research and Innovation (UKRI) through the Engineering and Physical Sciences Research Council (EPSRC) of the UK (grant number: EP/ V011766/1).
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Conflict of interest
The authors declare no conflict of interest.
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International Journal of Bioprinting, Electronic ISSN: 2424-8002 Print ISSN: 2424-7723, Published by AccScience Publishing