Characterization of Textile-Insulated Capacitive Biosensors
AbstractCapacitive biosensors are an emerging technology revolutionizing wearable sensing systems and personal healthcare devices. They are capable of continuously measuring bioelectrical signals from the human body while utilizing textiles as an insulator. Different textile types have their own unique properties that alter skin-electrode capacitance and the performance of capacitive biosensors. This paper aims to identify the best textile insulator to be used with capacitive biosensors by analysing the characteristics of 6 types of common textile materials (cotton, linen, rayon, nylon, polyester, and PVC-textile) while evaluating their impact on the performance of a capacitive biosensor. A textile-insulated capacitive (TEX-C) biosensor was developed and validated on 3 subjects. Experimental results revealed that higher skin-electrode capacitance of a TEX-C biosensor yields a lower noise floor and better signal quality. Natural fabric such as cotton and linen were the two best insulating materials to integrate with a capacitive biosensor. They yielded the lowest noise floor of 2 mV and achieved consistent electromyography (EMG) signals measurements throughout the performance test. View Full-Text
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Ng, C.L.; Reaz, M.B.I. Characterization of Textile-Insulated Capacitive Biosensors. Sensors 2017, 17, 574.
Ng CL, Reaz MBI. Characterization of Textile-Insulated Capacitive Biosensors. Sensors. 2017; 17(3):574.Chicago/Turabian Style
Ng, Charn L.; Reaz, Mamun B.I. 2017. "Characterization of Textile-Insulated Capacitive Biosensors." Sensors 17, no. 3: 574.
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