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Related Experiment Video

Updated: Jun 24, 2025

Molecular Entanglement and Electrospinnability of Biopolymers
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Highly controlled multiplex electrospinning.

Isaac C Gilfeather1,2, Harold W Pearson-Nadal2,3, Jessica M Andriolo4,5

  • 1Mechanical Engineering Department, Montana Technological University, 1300 West Park St., Butte, MT, 59701, USA.

Discover Nano
|June 6, 2024
PubMed
Summary
This summary is machine-generated.

Multiplex electrospinning (ES) uses multiple, independently controlled high-voltage power supplies to precisely control fiber deposition. This novel technique enables the fabrication of complex structures like woven materials and tori, overcoming limitations of traditional ES methods.

Keywords:
Control systemsElectrospinningElectrostaticsFlexible electronicsNanofibersPolymers

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Area of Science:

  • Materials Science
  • Engineering
  • Nanotechnology

Background:

  • Electrospinning (ES) is versatile but limited by stochastic fiber deposition.
  • Precise control of mesoscale morphology is challenging with conventional ES.

Purpose of the Study:

  • To introduce and demonstrate a novel electrospinning system with independently controlled high-voltage power supplies.
  • To achieve precise control over fiber deposition for advanced material fabrication.

Main Methods:

  • Developed a "multiplex ES" system with multiple, independently controlled high-voltage power supplies via LabVIEW.
  • Utilized COMSOL Multiphysics® software to model the electric field.
  • Employed time-varied sinusoidal wave inputs for fabricating specific shapes.

Main Results:

  • Successfully fabricated woven fiber materials without complex deposition surfaces.
  • Created electrospun torus shapes, with inner diameter inversely related to frequency.
  • Improved high-frequency cutoff by up to 63% by minimizing time constants.

Conclusions:

  • Multiplex ES offers enhanced control over fiber deposition, enabling precise fabrication of complex structures.
  • The system overcomes limitations of traditional electrospinning, paving the way for wider adoption in various applications.
  • Further optimization of electrical circuits can enhance the performance of multiplex ES.