A flexible ECG patch compatible with NFC RF communication

Abstract With the advent of the internet of things, flexible wearable devices are gaining significant research interest, as they are unobtrusive, comfortable to wear and can support continuous observation of physiological signals, helping to monitor wellness or diagnose diseases. Amorphous Indium Ga...

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Autores principales: Mohammad Zulqarnain, Stefano Stanzione, Ganesh Rathinavel, Steve Smout, Myriam Willegems, Kris Myny, Eugenio Cantatore
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Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/add33fc548f842b1b438e1c7a5221271
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spelling oai:doaj.org-article:add33fc548f842b1b438e1c7a52212712021-12-02T18:37:06ZA flexible ECG patch compatible with NFC RF communication10.1038/s41528-020-0077-x2397-4621https://doaj.org/article/add33fc548f842b1b438e1c7a52212712020-07-01T00:00:00Zhttps://doi.org/10.1038/s41528-020-0077-xhttps://doaj.org/toc/2397-4621Abstract With the advent of the internet of things, flexible wearable devices are gaining significant research interest, as they are unobtrusive, comfortable to wear and can support continuous observation of physiological signals, helping to monitor wellness or diagnose diseases. Amorphous Indium Gallium Zinc Oxide (a-IGZO) Thin Film Transistors (TFTs) fabricated on flexible substrates are an attractive option to build such bio-signal monitoring systems due to their flexibility, conformability to the human body, and low cost. This paper presents a flexible electrocardiogram (ECG) patch implemented on foil with self-aligned IGZO TFTs, which is capable to acquire the ECG signals, amplify them and convert them to a sequence of bits. The analogue frontend has a measured input-referred noise of 8 μVrms in the 1–100 Hz band. The system achieves experimentally 67.4 dB CMRR, 58.9 dB PSRR, and 16.5 MΩ input impedance at 50 Hz while using 1 kHz chopping. The signal from the electrodes is transformed to a 105.9-kb/s Manchester-encoded serial bit stream which could be sent wirelessly to a smart phone via Near Field Communication (NFC) for further elaboration. Power consumption is 15.4 mW for the digital and 280 μW for the analogue part. This contribution shows the fundamental steps to demonstrate intelligent plasters for biomedical applications based on flexible electronics providing an NFC-compatible digital output bit stream.Mohammad ZulqarnainStefano StanzioneGanesh RathinavelSteve SmoutMyriam WillegemsKris MynyEugenio CantatoreNature PortfolioarticleElectronicsTK7800-8360Materials of engineering and construction. Mechanics of materialsTA401-492ENnpj Flexible Electronics, Vol 4, Iss 1, Pp 1-8 (2020)
institution DOAJ
collection DOAJ
language EN
topic Electronics
TK7800-8360
Materials of engineering and construction. Mechanics of materials
TA401-492
spellingShingle Electronics
TK7800-8360
Materials of engineering and construction. Mechanics of materials
TA401-492
Mohammad Zulqarnain
Stefano Stanzione
Ganesh Rathinavel
Steve Smout
Myriam Willegems
Kris Myny
Eugenio Cantatore
A flexible ECG patch compatible with NFC RF communication
description Abstract With the advent of the internet of things, flexible wearable devices are gaining significant research interest, as they are unobtrusive, comfortable to wear and can support continuous observation of physiological signals, helping to monitor wellness or diagnose diseases. Amorphous Indium Gallium Zinc Oxide (a-IGZO) Thin Film Transistors (TFTs) fabricated on flexible substrates are an attractive option to build such bio-signal monitoring systems due to their flexibility, conformability to the human body, and low cost. This paper presents a flexible electrocardiogram (ECG) patch implemented on foil with self-aligned IGZO TFTs, which is capable to acquire the ECG signals, amplify them and convert them to a sequence of bits. The analogue frontend has a measured input-referred noise of 8 μVrms in the 1–100 Hz band. The system achieves experimentally 67.4 dB CMRR, 58.9 dB PSRR, and 16.5 MΩ input impedance at 50 Hz while using 1 kHz chopping. The signal from the electrodes is transformed to a 105.9-kb/s Manchester-encoded serial bit stream which could be sent wirelessly to a smart phone via Near Field Communication (NFC) for further elaboration. Power consumption is 15.4 mW for the digital and 280 μW for the analogue part. This contribution shows the fundamental steps to demonstrate intelligent plasters for biomedical applications based on flexible electronics providing an NFC-compatible digital output bit stream.
format article
author Mohammad Zulqarnain
Stefano Stanzione
Ganesh Rathinavel
Steve Smout
Myriam Willegems
Kris Myny
Eugenio Cantatore
author_facet Mohammad Zulqarnain
Stefano Stanzione
Ganesh Rathinavel
Steve Smout
Myriam Willegems
Kris Myny
Eugenio Cantatore
author_sort Mohammad Zulqarnain
title A flexible ECG patch compatible with NFC RF communication
title_short A flexible ECG patch compatible with NFC RF communication
title_full A flexible ECG patch compatible with NFC RF communication
title_fullStr A flexible ECG patch compatible with NFC RF communication
title_full_unstemmed A flexible ECG patch compatible with NFC RF communication
title_sort flexible ecg patch compatible with nfc rf communication
publisher Nature Portfolio
publishDate 2020
url https://doaj.org/article/add33fc548f842b1b438e1c7a5221271
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