ArticleNature communications2025
Ultrasensitive multi-degree-of-freedom piezoionic sensor via synergistic hydrogel-ion interactions.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Recent Advances in Biomimetic Hydrogels for Bioelectronics and Human-Machine Interactions.Gels (Basel, Switzerland) · 2026Review
- Gradient Electrode-Electrolyte Interface Enables Ultrastable Piezoionic Sensor for Artificial Intelligence.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Accurate body motion capture is of great significance for biomechanical assessment and immersive virtual/augmented reality (VR/AR) systems. Piezoionic flex-sensors, which mimic the ionic transport sensing mechanism of cutaneous mechanoreceptors, promises a self-powered approach for wearable body movements detection. However, their practical utility has been limited by low piezoionic flex-sensitivity (typically below 0.5 mV/degree) and unidirectional bending response, which restricts their ability to resolve complex multi-degree-of-freedom (multi-Dof) body motions. Here we report a soft, piezoionic and multi-Dof (SPIM) flex-sensor that overcomes these limitations. It ingeniously integrates zwitterionic dipole-ion interactions and size-induced steric hindrance effects to enable fast ion channels formation and amplified cation/anion transport imbalance, thus cooperatively contributing to a record-high piezoionic flex-sensitivity of 3.2 mV/degree. Theoretical simulations combining poroelastic mechanics and Poisson-Nernst-Planck model corroborated the synergistic enhancement. Furthermore, a unique architecture of square prism-shaped fiber with two pairs of symmetric nanomesh electrodes allows the SPIM flex-sensor to decouple multi-Dof joint flexion to distinguish complex body movements. We demonstrate a SPIM flex-sensor platform for metaverse applications, including a digital-twin of free-pose hand motions and complex yet intuitive VR control via single-joint dexterity equipped with a single compact sensor device.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.