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Expansion of Two-dimension Electrospun Nanofiber Mats into Three-dimension Scaffolds
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Maskless Arrayed Nanofiber Mats by Bipolar Pyroelectrospinning.

Romina Rega1, Oriella Gennari1, Laura Mecozzi1

  • 1National Research Council (CNR) , Institute of Applied Sciences & Intelligent Systems (ISASI) 'E. Caianiello' , Via Campi Flegrei 34 , 80078 Pozzuoli ( NA ), Italy.

ACS Applied Materials & Interfaces
|January 5, 2019
PubMed
Summary
This summary is machine-generated.

Electrospinning (ES) limitations in fiber mat arrangement are overcome by bipolar pyroelectrospinning (b-PES). This novel technique uses a pyroelectric field to directly create ordered fiber arrays, advancing tissue engineering scaffolds.

Keywords:
PDLLAarrayed matspolymer fiberspyro-electrospinningpyroelectric effect

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Area of Science:

  • Materials Science
  • Biotechnology
  • Nanotechnology

Background:

  • Electrospinning (ES) produces valuable micro- and nanostructures.
  • Current ES methods struggle with controlled fiber mat geometry, requiring costly techniques.
  • Ordered geometries are crucial for advanced applications.

Purpose of the Study:

  • Introduce a novel technique, bipolar pyroelectrospinning (b-PES).
  • Enable direct, cost-effective production of ordered fiber mat arrays.
  • Explore applications in bioengineering and tissue engineering.

Main Methods:

  • Utilize the bipolar pyroelectric field from a periodically poled lithium niobate (PPLN) crystal.
  • Employ the PPLN crystal as a collector, eliminating need for electrodes, nozzles, and masks.
  • Generate arrayed fiber mats using the structured pyroelectric field.

Main Results:

  • Successfully demonstrated the reliability of b-PES for creating diverse arrayed fiber mats.
  • Showcased the technique's electrode-free, nozzle-free, and mask-free nature.
  • Presented preliminary results of live cell patterning on controlled scaffolds.

Conclusions:

  • Bipolar pyroelectrospinning (b-PES) offers a direct and efficient method for ordered fiber mat production.
  • The technique's simplicity and cost-effectiveness make it suitable for various fields, including bioengineering.
  • b-PES shows significant potential as a scaffold for tissue engineering applications.