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Related Experiment Video

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Fabricating Superhydrophobic Polymeric Materials for Biomedical Applications
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Biocompatible electrospun polymer blends for biomedical applications.

Hrishikesh Ramesh Munj1, M Tyler Nelson, Prathamesh Sadanand Karandikar

  • 1Department of Chemical and Biomolecular Engineering, Ohio State University, Columbus, Ohio, 43210.

Journal of Biomedical Materials Research. Part B, Applied Biomaterials
|March 8, 2014
PubMed
Summary
This summary is machine-generated.

This study developed novel electrospun scaffolds from a Polymethylmethacrylate-Polycaprolactone-gelatin blend for biomedical uses. These scaffolds show tunable properties and controlled drug release, enhancing tissue repair potential.

Keywords:
electrospinningimpregnationpolymer blendssupercritical CO2

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Area of Science:

  • Biomaterials Science
  • Polymer Chemistry
  • Tissue Engineering

Background:

  • Natural and synthetic polymer blends offer optimized mechanical and bioactive properties for biomaterials.
  • Electrospinning creates biomimetic topographies ideal for tissue repair and cell growth.
  • Incorporating drug/protein delivery into scaffolds is crucial for effective tissue regeneration.

Purpose of the Study:

  • To explore the suitability of a ternary Polymethylmethacrylate-Polycaprolactone-gelatin blend for electrospun scaffolds.
  • To investigate the influence of blend composition on scaffold mechanical properties and degradation.
  • To assess the drug delivery potential of these triblend scaffolds using Rhodamine-B.

Main Methods:

  • Preparation of electrospun scaffolds using a ternary blend of Polymethylmethacrylate-Polycaprolactone-gelatin.
  • Tuning blend composition to control mechanical properties and degradation rates.
  • Impregnation of scaffolds with Rhodamine-B via sub/supercritical CO₂ infusion for drug delivery studies.

Main Results:

  • The ternary blend exhibited improved mechanical properties compared to individual polymers.
  • Distinct drug release profiles were observed from the triblend scaffolds.
  • Factors like porosity, degradation, and polymer interactions influenced impregnation and release.

Conclusions:

  • Ternary blends of Polymethylmethacrylate-Polycaprolactone-gelatin are suitable for creating electrospun scaffolds.
  • Blend composition and infusion conditions allow control over scaffold properties and drug release kinetics.
  • These biocompatible scaffolds hold promise for diverse biomedical applications including drug delivery.