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A wireless system for continuous in-mouth pH monitoring

Ma, D; Mason, C; Ghoreishizadeh, SS; (2018) A wireless system for continuous in-mouth pH monitoring. In: Proceedings of the IEEE Biomedical Circuits and Systems Conference (BioCAS) 2017. IEEE: Turin, Italy. Green open access

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Abstract

A first prototype of a Smart Orthodontic Bracket (SOB) for continuous in-mouth pH monitoring is presented in this paper. The SOB system uses an Iridium Oxide (IrOx) pH sensor with 68.8 mV/pH measured sensitivity. It is powered through Near Field Communications (NFC) using a smartphone from a distance of 3.5 cm. The system resolves pH variations as small as 0.15 within a wide range of pH. The system is encapsulated in bio-compatible epoxy resin and successfully used to measure the pH in saliva.

Type: Proceedings paper
Title: A wireless system for continuous in-mouth pH monitoring
Event: 2017 IEEE Biomedical Circuits and Systems Conference (BioCAS)
ISBN-13: 9781509058037
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/BIOCAS.2017.8325556
Publisher version: https://doi.org/10.1109/BIOCAS.2017.8325556
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Electrodes, Antenna measurements, Integrated circuits, Wireless communication, Sensors, Mouth, Wires
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10063268
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