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Pubmed for Handhelds

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  • Title: Washable, Sewable, All-Carbon Electrodes and Signal Wires for Electronic Clothing.
    Author: Taylor LW, Williams SM, Yan JS, Dewey OS, Vitale F, Pasquali M.
    Journal: Nano Lett; 2021 Sep 08; 21(17):7093-7099. PubMed ID: 34459618.
    Abstract:
    Smart wearable electronic accessories (e.g., watches) have found wide adoption; conversely, progress in electronic textiles has been slow due to the difficulty of embedding rigid electronic materials into flexible fabrics. Electronic clothing requires fibers that are conductive, robust, biocompatible, and can be produced on a large scale. Here, we create sewable electrodes and signal transmission wires from neat carbon nanotube threads (CNTT). These threads are soft like standard sewing thread, but they have metal-level conductivity and low interfacial impedance with skin. Electrocardiograms (EKGs) obtained by CNTT electrodes were comparable (P > 0.05) to signals obtained with commercial electrodes. CNTT can also be used as transmission wires to carry signals to other parts of a garment. Finally, the textiles can be machine-washed and stretched repeatedly without signal degradation. These results demonstrate promise for textile sensors and electronic fabric with the feel of standard clothing that can be incorporated with traditional clothing manufacturing techniques.
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