Increasing demand for wearable healthcare synergistically advances the field of electronic textiles, or e-textiles, allowing for ambulatory monitoring of vital health signals. Despite great promise, the pragmatic deployment of e-textiles in clinical practice remains challenged due to the lack of a method in producing custom-designed e-textiles at high spatial resolution across a large area. To this end, a programmable dual-regime spray that enables the direct custom writing of functional nanoparticles into arbitrary fabrics at sub-millimeter resolution over meter scale is employed. The resulting e-textiles retain the intrinsic fabric properties in terms of mechanical flexibility, water-vapor permeability, and comfort against multiple uses and laundry cycles. The e-textiles tightly fit various body sizes and shapes to support the high-fidelity recording of physiological and electrophysiological signals on the skin under ambulatory conditions. Pilot field tests in a remote health-monitoring setting with a large animal, such as a horse, demonstrate the scalability and utility of the e-textiles beyond conventional devices. This approach will be suitable for the rapid prototyping of custom e-textiles tailored to meet various clinical needs.
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| http://dx.doi.org/10.1002/adma.202108021 | DOI Listing |
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