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April 29, 2026Engineering in Life SciencesOpen Access

Filament Extrusion‐Based Conductive TPU Composite Scaffolds Enable Superior Neuronal Growth and Synaptic Maturation In Vitro

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Authors

KEKamil ElkhouryNew York University Abu DhabiBSBelal ShohayebGCGuan-Lin ChenNew York University

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Overview

Fused filament fabrication improves neuronal networks in tissue engineering, indicating potential for bioelectronic interfaces.

Key Points

  • To explore the performance of conductive TPU scaffolds in promoting neuronal growth and synaptic maturation.
  • Developed conductive TPU scaffolds via 3D printing using fused filament fabrication.
  • Conducted dynamic mechanical analysis to evaluate mechanical properties of the scaffolds.
  • Performed electrical testing to measure conductivity and surface characterization for cell interaction analysis.
  • Used immunofluorescence analysis to assess neuronal network formation and synaptic maturation.
  • cTPU scaffolds demonstrated significant improvements in mechanical stiffness and conductivity compared to TPU.
  • Mouse embryonic fibroblasts showed high viability and proliferation on the scaffolds.
  • Hippocampal neurons revealed greater density of neuronal networks and higher expression of synaptic proteins on cTPU scaffolds.

Cite This Study

Elkhoury et al. (2026) studied this question.

synapsesocial.com/papers/69f154a4879cb923c4944c3ahttps://doi.org/10.1002/elsc.70078
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