ArticleNature communications2026
A conformable shape-stable self-healing polymer platform for continuous wireless arterial pulse monitoring.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
Self-healing polymers offer softness and conformability for skin-interfaced electronics. However, their flowable nature often causes gradual shape deformation, limiting their use in circuit-integrated devices. Here, we report a shape-stable self-healing polymer (SS-SHP) featuring a branched polymer network reinforced with reversible imine and hydrogen bonds. The SS-SHP maintained its original shape for 20 days with less than 5% reduction in storage modulus and exhibited a skin-like Young's modulus of 576 kPa, enabling conformal contact with microtextured skin. To achieve conductive circuits, incorporation of Ag flakes into the SS-SHP matrix yielded a self-healing conductor with stable surface resistance over time, avoiding the conductivity degradation typically observed in hydrogen-bonded SHPs. Using the SS-SHP as both substrate and electrode, we fabricated a wireless arterial pressure sensor with optical signal transmission that conforms to the wrist without external contact pressure and enables continuous pulse monitoring, including discrimination of non-pregnant and pregnant pulse waveforms.
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