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Article

Silicone-Textile Composite Resistive Strain Sensors for Human Motion-Related Parameters

1
Unit of Measurements and Biomedical Instrumentation, Departmental Faculty of Engineering, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 00128 Rome, Italy
2
Unit of Tissue Engineering and Chemistry for Engineering, Departmental Faculty of Engineering, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 00128 Rome, Italy
3
Institute of Nanotechnology, National Research Council, Via Monteroni, 73100 Lecce, Italy
*
Author to whom correspondence should be addressed.
Academic Editors: Maria de Fátima Domingues, Hugo Plácido da Silva and Damla Turgut
Sensors 2022, 22(10), 3954; https://doi.org/10.3390/s22103954
Received: 13 April 2022 / Revised: 11 May 2022 / Accepted: 20 May 2022 / Published: 23 May 2022
(This article belongs to the Special Issue Novel Sensing Technologies for Digital Health)
In recent years, soft and flexible strain sensors have found application in wearable devices for monitoring human motion and physiological parameters. Conductive textile-based sensors are good candidates for developing these sensors. However, their robust electro-mechanical connection and susceptibility to environmental factors are still an open challenge to date. In this work, the manufacturing process of a silicone-textile composite resistive strain sensor based on a conductive resistive textile encapsulated into a dual-layer of silicone rubber is reported. In the working range typical of biomedical applications (up to 50%), the proposed flexible, skin-safe and moisture resistant strain sensor exhibited high sensitivity (gauge factor of −1.1), low hysteresis (maximum hysteresis error 3.2%) and ease of shaping in custom designs through a facile manufacturing process. To test the developed flexible sensor, two applicative scenarios covering the whole working range have been considered: the recording of the chest wall expansion during respiratory activity and the capture of the elbow flexion/extension movements. View Full-Text
Keywords: flexible sensors; polymer encapsulation; sensors for physiological monitoring; strain sensors; wearable sensors flexible sensors; polymer encapsulation; sensors for physiological monitoring; strain sensors; wearable sensors
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MDPI and ACS Style

Di Tocco, J.; Lo Presti, D.; Rainer, A.; Schena, E.; Massaroni, C. Silicone-Textile Composite Resistive Strain Sensors for Human Motion-Related Parameters. Sensors 2022, 22, 3954. https://doi.org/10.3390/s22103954

AMA Style

Di Tocco J, Lo Presti D, Rainer A, Schena E, Massaroni C. Silicone-Textile Composite Resistive Strain Sensors for Human Motion-Related Parameters. Sensors. 2022; 22(10):3954. https://doi.org/10.3390/s22103954

Chicago/Turabian Style

Di Tocco, Joshua, Daniela Lo Presti, Alberto Rainer, Emiliano Schena, and Carlo Massaroni. 2022. "Silicone-Textile Composite Resistive Strain Sensors for Human Motion-Related Parameters" Sensors 22, no. 10: 3954. https://doi.org/10.3390/s22103954

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