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Related Experiment Video

Updated: Jan 28, 2026

Author Spotlight: Advancing 3D Coculture Systems with PVA-PCL Nanofibrous Membranes
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Electrostatic Patterning of Nanofibrous Microcapsules for Three-Dimensional Cell Culture.

Masashi Ikeuchi1, Yoshinori Inoue2, Ryosuke Tane3

  • 1Laboratory for Biomaterials and Bioengineering, Institute of Science Tokyo, Tokyo 113-8519, Japan.

Journal of Functional Biomaterials
|January 27, 2026
PubMed
Summary
This summary is machine-generated.

Researchers developed a scalable electrospray method to create 3D biomaterial scaffolds. This technique precisely controls scaffold shape and surface nanoarchitecture for tissue engineering applications.

Keywords:
electrospinningelectrospraynanofiberpatterningscaffold

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Area of Science:

  • Biomaterials Science
  • Polymer Chemistry
  • Tissue Engineering

Background:

  • Three-dimensional (3D) biomaterial scaffolds with controlled geometry and surface nanoarchitecture are crucial for advancing polymer processing in tissue engineering.
  • Conventional electrospinning has limitations in reproducing defined 3D shapes and achieving high pattern fidelity.

Purpose of the Study:

  • To develop a scalable processing method for biodegradable scaffolds with precisely controlled microstructure and geometry.
  • To utilize phase separation-assisted electrospray for scaffold fabrication.

Main Methods:

  • Fabrication of poly(lactic acid) microcapsules with tunable diameters and porous nanofibrous surfaces using controlled humidity.
  • Deposition of microcapsules onto conductive molds to create 2D and 3D scaffold shapes.
  • Utilized simple electrospray equipment and static molds, avoiding complex collectors or moving stages.

Main Results:

  • Scaffolds replicated mold features with resolutions down to 200 μm and achieved thicknesses up to 600 μm.
  • Nanofibrous microcapsule surfaces promoted strong adhesion and metabolic activity of HepG2 cells.
  • Cellular penetration into deeper scaffold regions was limited to approximately 80 μm.

Conclusions:

  • Electrospray-mediated microcapsule deposition is a practical polymer-processing approach.
  • This method integrates nanofibrous surface formation with mold-defined shaping.
  • It offers a reproducible and scalable fabrication method for structurally precise, biologically compatible 3D scaffolds.