Journal
SENSORS AND ACTUATORS A-PHYSICAL
Volume 251, Issue -, Pages 148-155Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.sna.2016.10.023
Keywords
PDMS; Carbon nanotubes; Nanocomposite; Sensor patch; Respiration; Limb movement
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The paper presents the design, development, and fabrication of a flexible and wearable sensor based on carbon nanotube nanocomposite for monitoring specific physiological parameters. Polydimethylsiloxane (PDMS) was used as the substrate with a thin layer of a nanocomposite comprising functionalized multi-walled carbon nanotubes (MWCNTs) and PDMS as electrodes. The sensor patch functionalized on strain-sensitive capacitive sensing from interdigitated electrodes which were patterned with a laser on the nanocomposite layer. The thickness of the electrode layer was optimized regarding strain and conductivity. The sensor patch was connected to a monitoring device from one end and attached to the body on the other for examining purposes. Experimental results show the capability of the sensor patch used to detect respiration and limb movements. This work is a stepping stone of the sensing system to be developed for multiple physiological parameters. (C) 2016 Elsevier B.V. All rights reserved.
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