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Biodegradable Composite Nanofiber Containing Fish-Scale Extracts.

Chin-San Wu1, Dung-Yi Wu2, Shan-Shue Wang1

  • 1Department of Applied Cosmetology, Kao Yuan University, Kaohsiung County, Taiwan 82101, Republic of China.

ACS Applied Bio Materials
|January 11, 2022
PubMed
Summary
This summary is machine-generated.

This study developed a biodegradable composite nanofiber using treated fish-scale powder (TFSP) and polyhydroxyalkanoate (PHA) or modified PHA (MPHA). The MPHA/TFSP composite showed enhanced mechanical properties and improved cell growth, indicating potential for biomedical applications.

Keywords:
cytocompatibilityelectrospun nanofiberfish scalepolyhydroxyalkanoatethermally treated

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Area of Science:

  • Biomaterials Science
  • Polymer Science
  • Nanotechnology

Background:

  • Biodegradable polymers like polyhydroxyalkanoate (PHA) are crucial for sustainable materials.
  • Fish-scale powder (FSP) is a potential source of hydroxyapatite for composite materials.
  • Developing advanced composite nanofibers requires effective filler-matrix integration.

Purpose of the Study:

  • To prepare and characterize biodegradable composite nanofibers using treated fish-scale powder (TFSP) and PHA or modified PHA (MPHA).
  • To evaluate the influence of TFSP content on the physical, mechanical, and biological properties of the composite nanofibers.
  • To explore the potential of these composite nanofibers in biomedical applications.

Main Methods:

  • Treated fish-scale powder (TFSP) was prepared through water, acid, and heat treatment.
  • Composite nanofibers (TFSP/PHA and TFSP/MPHA) were fabricated using electrospinning with a biaxial feed method.
  • Characterization included particle size analysis, scanning electron microscopy (SEM), tensile testing, and water contact angle measurements.

Main Results:

  • TFSP, with high hydroxyapatite content and a Ca/P ratio similar to bone, served as a suitable filler.
  • MPHA/TFSP nanofibers exhibited greater uniformity and stronger matrix bonding compared to PHA/TFSP.
  • MPHA/TFSP composites showed enhanced tensile strength with increasing TFSP content, while elongation at failure decreased.
  • TFSP incorporation increased hydrophilicity in both PHA/TFSP and MPHA/TFSP membranes, promoting cell growth.

Conclusions:

  • The MPHA/TFSP composite nanofibers offer improved mechanical properties and enhanced hydrophilicity.
  • The TFSP filler positively influences the cellular environment, making the composite suitable for cell growth.
  • These biodegradable composite nanofibers hold significant promise for various biomedical applications.