What does this research mean for the field?

A water-driven dispersible fiber electrode array resolves the trade-off between delivery rigidity and recording compliance through hydration-regulated separation, achieving a 10 dB higher signal-to-noise ratio during intracardiac electrophysiological recording. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To develop a water-driven dispersible fiber electrode array that balances high rigidity for transvascular catheter delivery with mechanical compliance for conformal intracardiac signal acquisition.

September 14, 2026FlexMat.Open Access

Water‐driven dispersible fiber electrode arrays for position‐dependent intracardiac electrophysiological recording

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Authors

JMJinyang MaoFuzhou University HLHangyu LiNantong University YYYuehui YuanTheranostics (New Zealand)

Discussion

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Implication

Bioengineering study demonstrates water-responsive fiber electrode dispersion for intracardiac recording, indicating a viable approach to reconcile catheter delivery with compliant sensing.

Key Points

To develop a water-driven dispersible fiber electrode array that balances high rigidity for transvascular catheter delivery with mechanical compliance for conformal intracardiac signal acquisition.
Fabricated fiber electrode bundles modified with sulfobetaine methacrylate assembled via capillary forces.
Characterized interface hydration and adhesion using surface chemical analysis, wettability assays, and colloidal-probe atomic force microscopy.
Evaluated flexural rigidity changes before and after aqueous exposure and tested intracardiac electrophysiological signal acquisition across cardiac regions.
Capillary assembly achieved a bundled flexural rigidity of 2.45 × 10⁻⁴ N·m², which decreased to 1.95 × 10⁻⁶ N·m² as hydration dispersed fibers within 5 minutes.
Conformal tissue contact yielded an approximately 10 dB higher signal-to-noise ratio compared to the floating electrode state in the same configuration.
The gradient architecture enabled position-dependent electrophysiological signal recording across distinct intracardiac regions under fluid flow.

Cite This Study

Mao et al. (2026) studied this question.

synapsesocial.com/papers/6aa7dfc60926e14a848b3d47 https://doi.org/10.1002/flm2.70137

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September 14, 2026FlexMat.Open Access

Water‐driven dispersible fiber electrode arrays for position‐dependent intracardiac electrophysiological recording

View Full Paper

Ask AI

Bookmark

Authors

JMJinyang MaoFuzhou University HLHangyu LiNantong University YYYuehui YuanTheranostics (New Zealand)

Discussion

Member takes

Implication

Bioengineering study demonstrates water-responsive fiber electrode dispersion for intracardiac recording, indicating a viable approach to reconcile catheter delivery with compliant sensing.

Key Points

To develop a water-driven dispersible fiber electrode array that balances high rigidity for transvascular catheter delivery with mechanical compliance for conformal intracardiac signal acquisition.
Fabricated fiber electrode bundles modified with sulfobetaine methacrylate assembled via capillary forces.
Characterized interface hydration and adhesion using surface chemical analysis, wettability assays, and colloidal-probe atomic force microscopy.
Evaluated flexural rigidity changes before and after aqueous exposure and tested intracardiac electrophysiological signal acquisition across cardiac regions.
Capillary assembly achieved a bundled flexural rigidity of 2.45 × 10⁻⁴ N·m², which decreased to 1.95 × 10⁻⁶ N·m² as hydration dispersed fibers within 5 minutes.
Conformal tissue contact yielded an approximately 10 dB higher signal-to-noise ratio compared to the floating electrode state in the same configuration.
The gradient architecture enabled position-dependent electrophysiological signal recording across distinct intracardiac regions under fluid flow.

Cite This Study

Mao et al. (2026) studied this question.

synapsesocial.com/papers/6aa7dfc60926e14a848b3d47 https://doi.org/10.1002/flm2.70137

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