Single-arm diagnostic electrocardiography with printed graphene on wearable textiles

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Öztürk, Özberk and Jedari Golparvar, Ata and Acar, Gizem and Güler, Saygun and Yapıcı, Murat Kaya (2023) Single-arm diagnostic electrocardiography with printed graphene on wearable textiles. Sensors and Actuators A: Physical, 349 . ISSN 0924-4247

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Abstract

Stimulated by the COVID-19 outbreak, the global healthcare industry better acknowledges the necessity of innovating novel methods for remote healthcare monitoring and treating patients outside clinics. Here we report the development of two different types of graphene textile electrodes differentiated by the employed fabrication techniques (i.e., dip-coating and spray printing) and successful demonstration of ergonomic and truly wearable, single-arm diagnostic electrocardiography (SADE) using only 3 electrodes positioned on only 1 arm. The performance of the printed graphene e-textile wearable systems were benchmarked against the “gold standard” silver/silver chloride (Ag/AgCl) “wet” electrodes; achieving excellent correlation up to ∼ 96% and ∼ 98% in ECG recordings (15 s duration) acquired with graphene textiles fabricated by dip-coating and spray printing techniques, respectively. In addition, we successfully implemented automatic detection of heartrate of 8 volunteers (mean value: 74.4 bpm) during 5 min of static and dynamic daily activities and benchmarked their recordings with a standard fingertip photoplethysmography (PPG) device. Heart rate variability (HRV) was calculated, and the root means successive square difference (rMMSD) metric was 30 ms during 5 min of recording. Other cardiac parameters such as R-R interval, QRS complex duration, S-T segment duration, and T-wave duration were also detected and compared to typical chest ECG values.
Item Type: Article
Uncontrolled Keywords: Biopotential monitoring; Conductive nanomaterials; E-textiles; ECG; EHealth; Electrocardiogram; Graphene textile; Heart-rate variability; Internet of things (IoT); Long-term monitoring; Personalized healthcare; Reduced graphene oxide (rGO); Single-arm electrocardiography; Smart garments; Vital signs; Wearable electronics
Divisions: Faculty of Engineering and Natural Sciences
Sabancı University Nanotechnology Research and Application Center
Depositing User: Murat Kaya Yapıcı
Date Deposited: 07 Aug 2023 16:45
Last Modified: 07 Aug 2023 16:45
URI: https://research.sabanciuniv.edu/id/eprint/47529

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