An Electronic Slime-Based Epidermal Electrode Using Carbon Nanocomposites for Biosignal Sensing

Epidermal sensing electrodes, a key type of advanced wearable device, play a crucial role in biosignal sensing. Recent advancements in functional nanomaterials have propelled the development of these electrodes; however, their fabrication often involves complex processes and expensive raw materials....

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Main Authors: Yu Feng, Hui Sun, Meng Chen, Cong Wu, Jiankun Li, Zhi Li, Kremena Makasheva, Na Liu, Guanglie Zhang, Wen Jung Li
Format: Article
Language:English
Published: IEEE 2024-01-01
Series:IEEE Open Journal of Nanotechnology
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Online Access:https://ieeexplore.ieee.org/document/10739952/
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author Yu Feng
Hui Sun
Meng Chen
Cong Wu
Jiankun Li
Zhi Li
Kremena Makasheva
Na Liu
Guanglie Zhang
Wen Jung Li
author_facet Yu Feng
Hui Sun
Meng Chen
Cong Wu
Jiankun Li
Zhi Li
Kremena Makasheva
Na Liu
Guanglie Zhang
Wen Jung Li
author_sort Yu Feng
collection DOAJ
description Epidermal sensing electrodes, a key type of advanced wearable device, play a crucial role in biosignal sensing. Recent advancements in functional nanomaterials have propelled the development of these electrodes; however, their fabrication often involves complex processes and expensive raw materials. While significant progress has been made in enhancing the biocompatibility of electrodes through the use of human-friendly materials, improvements in flexibility and conductivity are still needed to ensure optimal skin conformability and compliance. In this study, we present an innovative epidermal sensing electrode constructed from electronic slime (E-slime), which is synthesized through a simple one-step, one-pot method utilizing widely available and cost-effective carbon nanocomposites. The E-slime electrode exhibits exceptional deformability, flexibility, and self-healing properties, ensuring mechanical compliance and effective skin adherence for epidermal applications. Our results demonstrate the electrode's capability in biosignal sensing, including electrocardiogram (ECG) monitoring with a high signal-to-noise ratio (SNR) of 46dB and electromyogram (EMG) monitoring for real-time human-robot interaction. This work introduces a novel strategy for the design and fabrication of epidermal electrodes, offering high conformability, low impedance, and superior signal quality, which holds significant promise for applications in intelligent healthcare monitoring and human-machine interfaces.
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institution Kabale University
issn 2644-1292
language English
publishDate 2024-01-01
publisher IEEE
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series IEEE Open Journal of Nanotechnology
spelling doaj-art-7ab941a2992849cc8e734c272ae000522025-01-24T00:02:23ZengIEEEIEEE Open Journal of Nanotechnology2644-12922024-01-01515616210.1109/OJNANO.2024.348872010739952An Electronic Slime-Based Epidermal Electrode Using Carbon Nanocomposites for Biosignal SensingYu Feng0https://orcid.org/0000-0003-2211-2161Hui Sun1https://orcid.org/0000-0001-6434-6172Meng Chen2Cong Wu3https://orcid.org/0000-0003-3623-3351Jiankun Li4Zhi Li5Kremena Makasheva6https://orcid.org/0000-0001-6113-3593Na Liu7https://orcid.org/0000-0001-8791-8292Guanglie Zhang8https://orcid.org/0000-0003-2168-8863Wen Jung Li9https://orcid.org/0000-0001-9616-6213Department of Mechanical Engineering, City University of Hong Kong, Hong KongDepartment of Mechanical Engineering, City University of Hong Kong, Hong KongDepartment of Mechanical Engineering, City University of Hong Kong, Hong KongDepartment of Mechanical Engineering, City University of Hong Kong, Hong KongDepartment of Mechanical Engineering, City University of Hong Kong, Hong KongCollege of Computer Science and Software Engineering, Shenzhen University, Shenzhen, ChinaCNRS, Laboratory on Plasma and Conversion of Energy (LAPLACE), Toulouse, FranceSchool of Mechatronic Engineering And Automation, Shanghai University, Shanghai, ChinaDepartment of Mechanical Engineering, City University of Hong Kong, Hong KongDepartment of Mechanical Engineering, City University of Hong Kong, Hong KongEpidermal sensing electrodes, a key type of advanced wearable device, play a crucial role in biosignal sensing. Recent advancements in functional nanomaterials have propelled the development of these electrodes; however, their fabrication often involves complex processes and expensive raw materials. While significant progress has been made in enhancing the biocompatibility of electrodes through the use of human-friendly materials, improvements in flexibility and conductivity are still needed to ensure optimal skin conformability and compliance. In this study, we present an innovative epidermal sensing electrode constructed from electronic slime (E-slime), which is synthesized through a simple one-step, one-pot method utilizing widely available and cost-effective carbon nanocomposites. The E-slime electrode exhibits exceptional deformability, flexibility, and self-healing properties, ensuring mechanical compliance and effective skin adherence for epidermal applications. Our results demonstrate the electrode's capability in biosignal sensing, including electrocardiogram (ECG) monitoring with a high signal-to-noise ratio (SNR) of 46dB and electromyogram (EMG) monitoring for real-time human-robot interaction. This work introduces a novel strategy for the design and fabrication of epidermal electrodes, offering high conformability, low impedance, and superior signal quality, which holds significant promise for applications in intelligent healthcare monitoring and human-machine interfaces.https://ieeexplore.ieee.org/document/10739952/Flexible sensorswearable sensorsepidermal electronicselectronic slimebiosignal detection
spellingShingle Yu Feng
Hui Sun
Meng Chen
Cong Wu
Jiankun Li
Zhi Li
Kremena Makasheva
Na Liu
Guanglie Zhang
Wen Jung Li
An Electronic Slime-Based Epidermal Electrode Using Carbon Nanocomposites for Biosignal Sensing
IEEE Open Journal of Nanotechnology
Flexible sensors
wearable sensors
epidermal electronics
electronic slime
biosignal detection
title An Electronic Slime-Based Epidermal Electrode Using Carbon Nanocomposites for Biosignal Sensing
title_full An Electronic Slime-Based Epidermal Electrode Using Carbon Nanocomposites for Biosignal Sensing
title_fullStr An Electronic Slime-Based Epidermal Electrode Using Carbon Nanocomposites for Biosignal Sensing
title_full_unstemmed An Electronic Slime-Based Epidermal Electrode Using Carbon Nanocomposites for Biosignal Sensing
title_short An Electronic Slime-Based Epidermal Electrode Using Carbon Nanocomposites for Biosignal Sensing
title_sort electronic slime based epidermal electrode using carbon nanocomposites for biosignal sensing
topic Flexible sensors
wearable sensors
epidermal electronics
electronic slime
biosignal detection
url https://ieeexplore.ieee.org/document/10739952/
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