Cited by 248ECG Monitoring and AnalysisNon-Invasive Vital Sign MonitoringAdvanced Sensor and Energy Harvesting Materials

Novel dry electrodes for ECG monitoring

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Gruetzmann, Anna, Hansen, Stefan, Müller, Jörg·2007·Physiological Measurement

Abstract

The development, fabrication and characterization of two novel dry bioelectrodes--conductive and capacitive ones--for biopotential monitoring are presented. The new electrodes have the potential to improve the applicability of dry electrodes in ambulant recording of ECG by reducing motion artifacts as well as the contact impedance to the skin. Furthermore, a passive filter network is integrated into the new electrodes to suppress slow offset fluctuation of the ECG signal caused e.g. by motions like breathing or changes in the electrode-skin interface properties. Compared to standard gel electrodes these new electrodes exhibit equivalent and superior contact impedances and biosignals. The integrated filter network effectively suppresses fluctuating offset potentials.

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Crossref · 10.1088/0967-3334/28/11/005

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  • As gel dries during extended use, the electrode contact impedance rises sharply, making the signal susceptible to external noise.

    “as the gel dries during extended use the electrode contact impedance rises sharply which makes the signal susceptible to external noise. [37]”

    From A Chest‐Conformable, Wireless Electro‐Mechanical E‐Tattoo for Measuring Multiple Cardiac Time Intervals (2023) · cites this paper as [37]

    Section 2 (Biomedical basics; page unavailable) says gel electrodes dehydrate after a few days and that dehydration changes electrode impedance, generating noise and artifacts. Section 5.1.1 says moisture keeps impedance low and dry electrodes have higher contact impedance. The paper does not establish that impedance rises sharply during use or specify that the resulting noise is external. (LLM, conf=0.84)

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Authors
Gruetzmann, A., Hansen, S., & Müller, J.
Affiliations
Hamburg University of Technology (DE)
Venue
Physiological Measurement
Published
2007-10-12
Volume
28
Issue
11
Pages
1375-1390
ISSN
  • 0967-3334 (ISSN-L)
  • 1361-6579
OpenAlex
W2138886665
Cited by
248
References
12
Citations by year
2026: 2 · 2025: 5 · 2024: 15 · 2023: 21 · 2022: 11 · 2021: 15 · 2020: 19 · 2019: 25 · 2018: 21 · 2017: 9 · 2016: 22 · 2015: 18 · 2014: 15 · 2013: 17 · 2012: 10
FWCI
3.28
Type
journal article
Language
en
Open access
Locations
  • Physiological Measurement (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › ECG Monitoring and Analysis
  • Physical Sciences › Engineering › Biomedical Engineering › Non-Invasive Vital Sign Monitoring
  • Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
Keywords
dry electrodes, ECG monitoring, conductive electrodes, capacitive electrodes, motion artifacts, contact impedance, skin-electrode interface, biopotential monitoring
MeSH terms
Elasticity, Electrodes, Equipment Design, Evoked Potentials, Humans, Electrocardiography, Ambulatory, Artifacts, Electric Impedance, Equipment Failure Analysis, Electric Capacitance, Cardiac Electrophysiology

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