Self-Powered Flexible Wearable Sensing Platform for Ascorbic Acid Detection in Sweat

Jose Ilton De Oliveira Filho; Daisy Camargo Ferreira; Murilo Calil Faleiros; Khaled Nabil Salama

doi:10.1109/JSEN.2023.3310675

Self-Powered Flexible Wearable Sensing Platform for Ascorbic Acid Detection in Sweat

Jose Ilton De Oliveira Filho^*, Daisy Camargo Ferreira, Murilo Calil Faleiros, Khaled Nabil Salama

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Laser-scribed graphene electrodes (LSGEs) are an excellent platform for biosensors due to their electronic properties, large surface area, and high porosity that enhances the electron transfer rate. The flexibility of LSGEs combined with the advantages of electrochemical techniques for a portable device is very suitable for wearable applications. We report a lightweight (< 2 g) wearable platform paired with nonmodified LSGE to detect ascorbic acid (AA) in sweat. Electrochemical techniques, such as square wave voltammetry (SWV) and chronoamperometry (CA), were used to acquire the data. The acquired data are transmitted wirelessly to the user via Bluetooth (BLE) or through universal asynchronous receiver-transmitter (UART) using a custom-made application. The limits of detections (LODs) achieved were 66 and 4.7 μM for SWV and CA, respectively. Furthermore, a self-powered feature is demonstrated, in which the device can be powered by harvesting energy from ambient light.

Original language	English (US)
Pages (from-to)	24179-24187
Number of pages	9
Journal	IEEE Sensors Journal
Volume	23
Issue number	20
DOIs	https://doi.org/10.1109/JSEN.2023.3310675
State	Published - Oct 15 2023

Keywords

Ascorbic acid (AA) detection
flexible platform
health care monitoring
sensing systems
wearable physiology

ASJC Scopus subject areas

Instrumentation
Electrical and Electronic Engineering

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10.1109/JSEN.2023.3310675

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title = "Self-Powered Flexible Wearable Sensing Platform for Ascorbic Acid Detection in Sweat",

abstract = "Laser-scribed graphene electrodes (LSGEs) are an excellent platform for biosensors due to their electronic properties, large surface area, and high porosity that enhances the electron transfer rate. The flexibility of LSGEs combined with the advantages of electrochemical techniques for a portable device is very suitable for wearable applications. We report a lightweight (< 2 g) wearable platform paired with nonmodified LSGE to detect ascorbic acid (AA) in sweat. Electrochemical techniques, such as square wave voltammetry (SWV) and chronoamperometry (CA), were used to acquire the data. The acquired data are transmitted wirelessly to the user via Bluetooth (BLE) or through universal asynchronous receiver-transmitter (UART) using a custom-made application. The limits of detections (LODs) achieved were 66 and 4.7 μM for SWV and CA, respectively. Furthermore, a self-powered feature is demonstrated, in which the device can be powered by harvesting energy from ambient light.",

keywords = "Ascorbic acid (AA) detection, flexible platform, health care monitoring, sensing systems, wearable physiology",

author = "{De Oliveira Filho}, {Jose Ilton} and Ferreira, {Daisy Camargo} and Faleiros, {Murilo Calil} and Salama, {Khaled Nabil}",

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AU - Ferreira, Daisy Camargo

AU - Faleiros, Murilo Calil

AU - Salama, Khaled Nabil

PY - 2023/10/15

Y1 - 2023/10/15

N2 - Laser-scribed graphene electrodes (LSGEs) are an excellent platform for biosensors due to their electronic properties, large surface area, and high porosity that enhances the electron transfer rate. The flexibility of LSGEs combined with the advantages of electrochemical techniques for a portable device is very suitable for wearable applications. We report a lightweight (< 2 g) wearable platform paired with nonmodified LSGE to detect ascorbic acid (AA) in sweat. Electrochemical techniques, such as square wave voltammetry (SWV) and chronoamperometry (CA), were used to acquire the data. The acquired data are transmitted wirelessly to the user via Bluetooth (BLE) or through universal asynchronous receiver-transmitter (UART) using a custom-made application. The limits of detections (LODs) achieved were 66 and 4.7 μM for SWV and CA, respectively. Furthermore, a self-powered feature is demonstrated, in which the device can be powered by harvesting energy from ambient light.

AB - Laser-scribed graphene electrodes (LSGEs) are an excellent platform for biosensors due to their electronic properties, large surface area, and high porosity that enhances the electron transfer rate. The flexibility of LSGEs combined with the advantages of electrochemical techniques for a portable device is very suitable for wearable applications. We report a lightweight (< 2 g) wearable platform paired with nonmodified LSGE to detect ascorbic acid (AA) in sweat. Electrochemical techniques, such as square wave voltammetry (SWV) and chronoamperometry (CA), were used to acquire the data. The acquired data are transmitted wirelessly to the user via Bluetooth (BLE) or through universal asynchronous receiver-transmitter (UART) using a custom-made application. The limits of detections (LODs) achieved were 66 and 4.7 μM for SWV and CA, respectively. Furthermore, a self-powered feature is demonstrated, in which the device can be powered by harvesting energy from ambient light.

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Self-Powered Flexible Wearable Sensing Platform for Ascorbic Acid Detection in Sweat

Abstract

Keywords

ASJC Scopus subject areas

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