Soft Condensed Matter Hybrid Fiber Sensors for Vital Function Monitoring

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Abstract:

Textile band structures with integrated soft condensed matter sensor (SCMS) can be used as a vital function monitor device to detect pulse wave and breathing on the human body. A textile an elastic band was used as a support material and the U-shaped SCMS fiber sensor was bonded on the surface with elastic band with a liquid rubber bonding material. The sensor signal and gauge factor of the textile sensor structure was investigated using tensile testing experiments. The resistivity of the sensor structure increased linearly within a strain of 10 to 50%, and a slope of 8 (kOhm/% strain) could be detected. The sensor had a gauge factor of 4-5 from 10 to 50% between strain. Using the integrated SCMS sensor textile band around the chest, it was possible to detect talking, normal breathing and coughing. In collaboration with Rice University the textile sensor was tested for proof-of-concept for use in a battery-powered monitor for apnea of premature infants.

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79-84

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October 2016

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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