Hybrid Microstructure Enhances Stretchable Biosensor Stability. (IMAGE)
Caption
Schematic comparison of different electrode structures under strain. Traditional wavy structures suffer from stress concentration and long-term instability, while microcrack-based electrodes risk conductivity loss due to crack propagation. The hybrid microstructure—combining wavy and microcracked features—achieves stress relaxation and electrical stability, enabling robust, multifunctional biosensors for real-time monitoring of sweat ions, pH, and EMG signals during physical activity.
Credit
Zhiyuan Liu, et al
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CC BY-NC-ND