Smart Textile Sensors for Healthcare Monitoring

Possanzini, Luca (2022) Smart Textile Sensors for Healthcare Monitoring, [Dissertation thesis], Alma Mater Studiorum Università di Bologna. Dottorato di ricerca in Nanoscienze per la medicina e per l'ambiente, 34 Ciclo. DOI 10.48676/unibo/amsdottorato/10302.
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Wearable electronic textiles are an emerging research field playing a pivotal role among several different technological areas such as sensing, communication, clothing, health monitoring, information technology, and microsystems. The possibility to realise a fully-textile platform, endowed with various sensors directly realised with textile fibres and fabric, represents a new challenge for the entire research community. Among several high-performing materials, the intrinsically conductive poly(3,4-ethylenedioxythiophene) (PEDOT), doped with poly(styrenesulfonic acid) (PSS), or PEDOT:PSS, is one of the most representative and utilised, having an excellent chemical and thermal stability, as well as reversible doping state and high conductivity. This work relies on PEDOT:PSS combined with sensible materials to design, realise, and develop textile chemical and physical sensors. In particular, chloride concentration and pH level sensors in human sweat for continuous monitoring of the wearer's hydration status and stress level are reported. Additionally, a prototype smart bandage detecting the moisture level and pH value of a bed wound to allow the remote monitoring of the healing process of severe and chronic wounds is described. Physical sensors used to monitor the pressure distribution for rehabilitation, workplace safety, or sport tracking are also presented together with a novel fully-textile device able to measure the incident X-ray dose for medical or security applications where thin, comfortable, and flexible features are essential. Finally, a proof-of-concept for an organic-inorganic textile thermoelectric generator that harvests energy directly from body heat has been proposed. Though further efforts must be dedicated to overcome issues such as durability, washability, power consumption, and large-scale production, the novel, versatile, and widely encompassing area of electronic textiles is a promising protagonist in the upcoming technological revolution.

Tipologia del documento
Tesi di dottorato
Possanzini, Luca
Dottorato di ricerca
Settore disciplinare
Settore concorsuale
Parole chiave
Smart textile, Healtchare monitoring, PEDTO:PSS, Wearable Sensors
Data di discussione
22 Giugno 2022

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