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Wearable sensor with RFID/NFC wireless connectivity for optical monitoring of sweat pH (CROSBI ID 661130)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Kassal, Petar ; Sigurnjak, Marija ; Scheipl, Georg ; Mohr, Gerhard J. ; Steinberg, Matthew D. ; Murković Steinberg, ivana Wearable sensor with RFID/NFC wireless connectivity for optical monitoring of sweat pH // EUROPT(R)ODE XIV Naples 2018, XIV Conference on optical chemical sensors and biosensors : Book of Abstracts. 2018. str. 156-156

Podaci o odgovornosti

Kassal, Petar ; Sigurnjak, Marija ; Scheipl, Georg ; Mohr, Gerhard J. ; Steinberg, Matthew D. ; Murković Steinberg, ivana

engleski

Wearable sensor with RFID/NFC wireless connectivity for optical monitoring of sweat pH

Wearable chemical sensors have seen significant development in the last several years, owing to the abundance of (bio)chemical information which can be extracted from sweat and other body fluids by non-invasive means. Wireless transmission of analytical data is of paramount importance in such wearable sensor systems, since it ensures maximum mobility of the user [1]. pH of perspiration is an important analyte for both medical diagnostics and exercise monitoring and it also affects the concentration of other biomarkers in sweat [2]. We present here a miniature pH sensor for optical monitoring of sweat pH. The sensor is constructed by integrating a pH-sensitive textile with a wireless platform. The pH sensitive textile is itself constructed by first covalently immobilising a pH indicator dye, GJM- 492 (pKa on cellulose layers: 6.1 ; suitable for covering the entire range of sweat pH) [3], onto cellulose particles, dispersing the particles within a dissolved hydrogel, and applying this suspension to a polymer shirt. This immobilisation procedure enables modification of different types of textiles and increases stability of the sensor. Decrease in the intensity of reflected light from an LED source (absorbed by GJM-492) is detected by a photodiode on the wireless platform. The fully automated miniature wireless platform records the pH data and transfers it wirelessly via radio-frequency identification (RFID) or near field communication (NFC) to a remote readout station or smartphone.

pH sensor ; Optical sensor ; Smart textile ; Wearable chemical sensor ; Radio-frequency identification ; Near field communication

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Podaci o prilogu

156-156.

2018.

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objavljeno

Podaci o matičnoj publikaciji

EUROPT(R)ODE XIV Naples 2018, XIV Conference on optical chemical sensors and biosensors : Book of Abstracts

Podaci o skupu

EUROPT(R)ODE XIV, Conference on optical chemical sensors and biosensors

poster

25.03.2018-28.03.2018

Napulj, Italija

Povezanost rada

Kemija