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Fabricating Superhydrophobic Polymeric Materials for Biomedical Applications
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Electrospun propolis/polyurethane composite nanofibers for biomedical applications.

Jeong In Kim1, Hem Raj Pant2, Hyun-Jaung Sim3

  • 1Department of Bio-nano System Engineering, Chonbuk National University, Jeonju 561-756, Republic of Korea.

Materials Science & Engineering. C, Materials for Biological Applications
|October 5, 2014
PubMed
Summary

Biocompatible propolis/polyurethane (PU) nanofibers were created for tissue engineering. These propolis-loaded PU nanofibers show improved cell compatibility and antibacterial properties, making them ideal for wound dressing applications.

Keywords:
BiomaterialsElectrospinningNanofibersPolyurethanePropolis

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Area of Science:

  • Biomaterials Science
  • Polymer Science
  • Tissue Engineering

Background:

  • Functional polymeric membranes are crucial for cell migration and attachment in tissue engineering.
  • Polyurethane (PU) is a versatile polymer, but its properties can be enhanced for specific biomedical applications.

Purpose of the Study:

  • To develop biocompatible propolis-loaded polyurethane (propolis/PU) nanofibers using electrospinning.
  • To evaluate the physical, mechanical, and biological properties of the synthesized composite nanofibers for potential use in tissue engineering.

Main Methods:

  • Electrospinning of propolis/PU blend solutions.
  • Characterization using Field Emission Scanning Electron Microscopy (FE-SEM), Fourier-Transform Infrared (FT-IR) spectroscopy, and Thermal Gravimetric Analysis (TGA).
  • Assessment of mechanical properties, water contact angle, cytocompatibility with fibroblast cells, and antibacterial activity.

Main Results:

  • Propolis/PU nanofibers were successfully synthesized, with increasing propolis content leading to point-bonded structures.
  • Incorporation of propolis improved the hydrophilicity and mechanical strength of the PU fibrous membrane.
  • The composite nanofibers demonstrated enhanced cytocompatibility and significant antibacterial activity.

Conclusions:

  • The synthesized propolis/PU nanocomposite fibrous mat exhibits promising properties for tissue engineering applications.
  • The enhanced cell compatibility and antibacterial activity make these nanofibers suitable for wound dressing and skin tissue regeneration.