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A tailored, electronic textile conformable suit for large-scale spatiotemporal physiological sensing in vivo

Author(s)
Wicaksono, Irmandy; Tucker, Carson I.; Sun, Tao; Guerrero, Cesar A.; Liu, Clare; Woo, Wesley M.; Pence, Eric J.; Dagdeviren, Canan; ... Show more Show less
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Abstract
The rapid advancement of electronic devices and fabrication technologies has further promoted the field of wearables and smart textiles. However, most of the current efforts in textile electronics focus on a single modality and cover a small area. Here, we have developed a tailored, electronic textile conformable suit (E-TeCS) to perform large-scale, multimodal physiological (temperature, heart rate, and respiration) sensing in vivo. This platform can be customized for various forms, sizes and functions using standard, accessible and high-throughput textile manufacturing and garment patterning techniques. Similar to a compression shirt, the soft and stretchable nature of the tailored E-TeCS allows intimate contact between electronics and the skin with a pressure value of around ~25 mmHg, allowing for physical comfort and improved precision of sensor readings on skin. The E-TeCS can detect skin temperature with an accuracy of 0.1° C and a precision of 0.01 °C, as well as heart rate and respiration with a precision of 0.0012 m/s² through mechano-acoustic inertial sensing. The knit textile electronics can be stretched up to 30% under 1000 cycles of stretching without significant degradation in mechanical and electrical performance. Experimental and theoretical investigations are conducted for each sensor modality along with performing the robustness of sensor-interconnects, washability, and breathability of the suit. Collective results suggest that our E-TeCS can simultaneously and wirelessly monitor 30 skin temperature nodes across the human body over an area of 1500 cm² , during seismocardiac events and respiration, as well as physical activity through inertial dynamics.
Date issued
2020-04
URI
https://hdl.handle.net/1721.1/124889
Department
Massachusetts Institute of Technology. Media Laboratory; Massachusetts Institute of Technology. Department of Mechanical Engineering; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Program in Media Arts and Sciences (Massachusetts Institute of Technology)
Journal
NPJ Flexible Electronics
Citation
Wicaksono, Irmandy, et al., "A tailored, electronic textile conformable suit for large-scale spatiotemporal physiological sensing in vivo." NPJ Flexible Electronics 4 (2020): no. 4 doi 10.1038/s41528-020-0068-y ©2020 Author(s)
Version: Final published version
ISSN
2397-4621

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