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Shape Memory Polymer-Based Nanocomposites Magnetically Enhanced with Fe3O4 Nanoparticles.

Mustafa Ersin Pekdemir1, Derya Aydin1, Sibel Selçuk Pekdemir1

  • 1Department of Chemistry, Faculty of Science, Fırat University, Elazig, Turkey.

Journal of Inorganic and Organometallic Polymers and Materials
|February 13, 2023
PubMed
Summary
This summary is machine-generated.

Magnetic iron oxide nanoparticles enhance the thermal stability and shape memory properties of polymer nanocomposite films. These advanced PLA-PEG blend/MNP films also demonstrate antimicrobial activity against Candida albicans.

Keywords:
Magnetic nanoparticleantimicrobialnanocompositepolymer blendshape memory

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Area of Science:

  • Materials Science
  • Polymer Science
  • Nanotechnology

Background:

  • Magnetic nanoparticles (MNP) offer diverse applications.
  • Shape memory polymers (SMPs) are advanced functional materials.
  • Poly(lactic acid)-poly(ethylene glycol) (PLA-PEG) blends are widely studied SMPs.

Purpose of the Study:

  • To investigate the impact of magnetic Fe3O4 nanoparticles (MNP) on PLA-PEG blend nanocomposite films.
  • To evaluate the thermal stability, morphology, magnetic behavior, shape memory properties, and antimicrobial activity of these nanocomposites.

Main Methods:

  • Nanocomposite films prepared via solution casting with varying MNP ratios.
  • Characterization using ATR-IR, TGA, DSC, SEM, and VSM.
  • Antimicrobial activity assessed using the disk diffusion method.

Main Results:

  • MNP incorporation improved the thermal stability of PLA-PEG blend films.
  • SEM and VSM confirmed successful MNP dispersion and magnetic properties.
  • PLA-PEG blend/MNP nanocomposites exhibited enhanced shape memory properties and inhibited *C. albicans* growth.

Conclusions:

  • Magnetic Fe3O4 nanoparticles effectively enhance the properties of PLA-PEG blend nanocomposites.
  • These nanocomposites show potential for applications requiring thermal stability, magnetic responsiveness, and antimicrobial activity.