Aligned nanofibres made of poly(3-hydroxybutyrate) grafted to hyaluronan for potential healthcare applications

  • Gloria Huerta-Ángeles
  • Kateřina Knotková
  • Petr Knotek
  • Ondrej Židek
  • Martina Brandejsová
  • Marek Pokorný
  • Hana Vagnerová
  • Ipsita Roy
  • Vladimir Velebný
Special Issue: ESB 2017 Original Research
Part of the following topical collections:
  1. Special Issue: ESB 2017

Abstract

In this work, a hybrid copolymer consisting of poly(3-hydroxybutyrate) grafted to hyaluronic acid (HA) was synthesised and characterised. Once formed, the P(3HB)-g-HA copolymer was soluble in water allowing a green electrospinning process. The diameters of nanofibres can be tailored by simply varying the Mw of polymer. The optimization of the process allowed to produce fibres of average diameter in the range of 100–150 nm and low polydispersity. The hydrophobic modification has not only increased the fibre diameter, but also the obtained layers were homogenous. At the nanoscale, the hybrid copolymer exhibited an unusual hairy topography. Moreover, the hardness and tensile properties of the hybrid were found to be superior compared to fibres made of unmodified HA. Particularly, this reinforcement was achieved at the longitudinal direction. Additionally, this work reports the use in the composition of a water-soluble copolymer containing photo cross-linkable moieties to produce insoluble materials post-electrospinning. The derivatives as well as their nanofibrous mats retain the biocompatibility of the natural polymers used for the fabrication.

Notes

Acknowledgements

This research has received funding from the European Community’s Seventh Framework Programme (FP7-NMP-2013-SME-7) under grant agreement no 604450 (NEURIMP “Novel combination of biopolymers and manufacturing technologies for production of a peripheral nerve implant-containing an internal aligned channels array”). The authors would like to thank Lenka Hejlová, Pavlína Halamková, Jaroslav Novotný and Drahomira Chládková (Contipro a.s.), for the technical support. Special thanks also go to Barbara Lukasiewicz, Pooja Basnett and Rinat Nigmatullin (UoW) for their work on PHAs.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

10856_2018_6045_MOESM1_ESM.docx (460 kb)
Supplementary Information(DOCX 459 kb)

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Gloria Huerta-Ángeles
    • 1
  • Kateřina Knotková
    • 1
  • Petr Knotek
    • 2
  • Ondrej Židek
    • 1
  • Martina Brandejsová
    • 1
  • Marek Pokorný
    • 1
  • Hana Vagnerová
    • 1
  • Ipsita Roy
    • 3
  • Vladimir Velebný
    • 3
  1. 1.Contipro a.s., Dolní Dobrouč 401Dolní DobroučCzech Republic
  2. 2.Department of General and Inorganic Chemistry, Faculty of Chemical TechnologyUniversity of PardubicePardubiceCzech Republic
  3. 3.Department of Life Science, Faculty of Science and TechnologyUniversity of WestminsterLondonUK

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