UCL Discovery

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.

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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 > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci > Department of Ortho and MSK Science
URI:	http://discovery.ucl.ac.uk/id/eprint/10063268

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