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Active flexible concentric ring electrode for non-invasive surface bioelectrical recordings

G Prats-Boluda, Y Ye-Lin, E Garcia-Breijo, J Ibañez, J Garcia-Casado
2012 Measurement science and technology  
We believe these electrodes, which allow 24 bioelectric signals to be acquired non-invasively with better spatial resolution than conventional disk 25 electrodes, to be a step forward in the development  ...  12 Bioelectrical surface recordings are usually performed by unipolar or bipolar disc electrodes even 13 though they entail the serious disadvantage of having poor spatial resolution.  ...  Bioelectrical signals are generally recorded 36 non-invasively by disc electrodes in a bipolar or unipolar configuration.  ... 
doi:10.1088/0957-0233/23/12/125703 fatcat:3e7rqcbsfjhhbj7gdssvs6gskq

Electrode Characteristics of Non-contact Electrocardiographic Measurement

Dakurah Naangmenkpeong Mathias, Sung-Il Kim, Jae-Soon Park, Yeun-Ho Joung, Won Seok Choi
2015 Transactions on Electrical and Electronic Materials  
A very small cotton-insulated copper tape electrode (2.324 cm 2 ) was finally attained that could detect and measure bioelectric signal at about 500 um of distance from the subject's chest.  ...  Therefore, the main goal in this work is to implement a very small ECG sensor system with a capacitive coupling, which is able to detect electrical signals of heart at a distance without the conductive  ...  ACKNOWLEDGMENT This research was supported by the research fund of Hanbat National University in 2014.  ... 
doi:10.4313/teem.2015.16.1.42 fatcat:6l3kmia5rjdezmuxj7tmr5hgcy

Dry Electrodes for Human Bioelectrical Signal Monitoring

Yulin Fu, Jingjing Zhao, Ying Dong, Xiaohao Wang
2020 Sensors  
, and measurement performance.  ...  Ag/AgCl electrodes with wet conductive gels are widely used to pick up these bioelectrical signals using electrodes and record them in the form of electroencephalograms, electrocardiograms, electromyography  ...  In summary, silicon material-based microneedle electrodes show good results in terms of signal acquisition and fidelity in initial bioelectrical signal measurements.  ... 
doi:10.3390/s20133651 pmid:32610658 pmcid:PMC7374322 fatcat:a4t4awbvlvhgnm36j5lmlv5tyu

Flexible PDMS -based dry electrodes for electro-optic acquisition of ECG signals in wearable devices

M S Fernandes, K S Lee, R J Ram, J H Correia, P M Mendes
2010 2010 Annual International Conference of the IEEE Engineering in Medicine and Biology  
ACKNOWLEDGMENT We would like to acknowledge the MIT-Portugal Program as well as the Research Laboratory of Electronics (RLE) from MIT for supporting this work.  ...  INTRODUCTION Much research is being done in order to deliver new devices to measure bioelectric signals.  ...  -Influence of electrode area in signal strength for PDMS non-conductive dry electrodes -insulated electrodes. -Influence of conductivity on signal strength for PDMS conductive dry electrodes. A.  ... 
doi:10.1109/iembs.2010.5627799 pmid:21097031 fatcat:xozhp5g5mngw5ne3w4kudtasiu

Design of Muscular Bioimpedance Measurement System

Ming-lai LIN, Nan LI, Fan LI, Hui XU
2019 DEStech Transactions on Computer Science and Engineering  
The system collects signals on electrode array through the switch matrix, and the integrated impedance measurement IC AD5933 is used for extract the bioelectrical impedance of muscle.  ...  The system consists of three major parts: electrode array, switch matrix and bioimpedance measurement unit.  ...  of the system.The flexible electrode array PCB layout is shown in Fig. 2.  ... 
doi:10.12783/dtcse/iteee2019/28819 fatcat:z37ogpdwdvcylm33duupz5tpj4

A comparative analysis of printing techniques by using an active concentric ring electrode for bioelectrical recording

Eduardo Garcia-Breijo, Gema Prats-Boluda, Jose Vicente Lidon-Roger, Yiyao Ye-Lin, Javier Garcia-Casado
2015 Microelectronics international  
that concentric electrodes using the screen-printing and inkjet are suitable for noninvasive bioelectric signal acquisition.  ...  Design/methodology/approach -Flexible concentric ring electrodes not only present lower skin-electrode contact impedance and lower baseline wander than rigid electrodes but are also less sensitive to interference  ...  From these results, it can be seen that TCE fabrication using the screenprinting and inkjet printing are both suitable for non-invasive bioelectric signal acquisition.  ... 
doi:10.1108/mi-03-2015-0021 fatcat:q5hrhskupfctjmru6tguyl2cwq

Characterization of capacitive electromyography biomedical sensor insulated with porous medical bandages

Charn Loong Ng, Mamun Bin Ibne Reaz, Maria Liz Crespo, Andres Cicuttin, Muhammad Enamul Hoque Chowdhury
2020 Scientific Reports  
Most of the insulator being explored are solid and non-breathable which cause perspiration in a long-term EMG measurement process.  ...  the conventional wet contact electrode.  ...  from the EMG signal measured by the wet contact electrode.  ... 
doi:10.1038/s41598-020-71709-0 pmid:32913303 fatcat:h5sfnhn45jh6vhkunk2ib3g7we

Electrolytic Wire as an Alternative Bio Interface: A Case Study in Plant Tissue

Ernane José Xavier Costa, Luciana Vieira Piza, Ana Carolina de Sousa Silva
2018 Proceedings of the 11th International Joint Conference on Biomedical Engineering Systems and Technologies  
One of challenge in physiological research is how to reconnect bioelectricity or turn on the transduction of signals in biological systems such as nerves and other tissues after some injuries or degenerative  ...  The quality of signal transmitted using electronic conductor was compared to the signal transmitted using electrolytic conductor by measuring the distortion of the signal transmitted.  ...  The electrical contacts are performed by using biocompatible conductive hydrogels applied between skin and electrode.  ... 
doi:10.5220/0006549101330138 dblp:conf/biostec/CostaPS18 fatcat:s76o4oecpbgq7mxht47kh45ypi

Recent Progress in Flexible Wearable Sensors for Vital Sign Monitoring

Jihong Liu, Meilin Liu, Yu Bai, Jiahao Zhang, Hongwei Liu, Wenbin Zhu
2020 Sensors  
Based on them, this paper reviews the latest research progress of new flexible materials and different types of sensors for monitoring vital signs (including electrophysiological signals, body temperature  ...  With the development of flexible electronic materials, as well as the wide development and application of smartphones, the cloud, and wireless systems, flexible wearable sensor technology has a significant  ...  Acknowledgments: The authors acknowledge support of Academy of Innovation and Entrepreneurship of Northeastern University. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s20144009 pmid:32707637 fatcat:5wop7zw3xfeyxjfxrfwjs3thim

Graphene-Based Sensors for Human Health Monitoring

Haizhou Huang, Shi Su, Nan Wu, Hao Wan, Shu Wan, Hengchang Bi, Litao Sun
2019 Frontiers in Chemistry  
As a novel 2D material, graphene has aroused a boom in the field of sensor research around the world due to its advantages in mechanical, thermal, and electrical properties.  ...  Numerous graphene-based sensors used for human health monitoring have been reported, including wearable sensors, as well as implantable devices, which can realize the real-time measurement of body temperature  ...  This research was supported by the Ministry of Science and Technology of China (Grant 2017YFA0204800), the National Natural Science Foundation of China (Grant Nos.: 51420105003, 11525415, 11327901, 61274114  ... 
doi:10.3389/fchem.2019.00399 pmid:31245352 pmcid:PMC6580932 fatcat:kisaf7znone7njog7gj4j7vqma

Wireless sensor node for non-invasive high precision electrocardiographic signal acquisition based on a multi-ring electrode

Y. Ye-Lin, J.M. Bueno-Barrachina, G. Prats-boluda, R. Rodriguez de Sanabria, J. Garcia-Casado
2017 Measurement (London)  
Wireless sensor node for non-invasive high precision electrocardiographic signal acquisition based on a multi-ring electrode. Measurement. 97:195-202.  ...  A 91 disposable flexible multi-ring electrode is used for sensing non-invasively the bioelectrical 92 signals.  ...  In this respect, 57 the use of multi-ring electrodes could permit an evaluation of the influence of electrode size 58 on the bioelectrical signal sensed by a CRE.  ... 
doi:10.1016/j.measurement.2016.11.009 fatcat:riquyyer4beylldfkl4lb4na24

Soft Gel-free ECG electrodes based on Biocompatible Coconut-Oil and Carbon Black

Leonardo A. Garcia-Garcia, Paul M. Kreitmair, Alexander J. Johnson, Julio C. Costa, Arash Pouryazdan, Pasindu Lugoda, Daniel Roggen, Niko Munzenrieder
2021 2021 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS)  
Recent developments in telemedicine have caused significant interest in the prolonged monitoring of bioelectric signals.  ...  The realised epidermal electrodes were used to record Electrocardiographic (ECG) signals in a 3-lead configuration and compared to commercial wet electrodes.  ...  Future work will look to improve signal integrity, and the analysis of the electrodes' performance and stability in long-term applications.  ... 
doi:10.1109/fleps51544.2021.9469731 fatcat:b3nuvakzhvf2laosokpq7wnd2u

Flexible Electrode by Hydrographic Printing for Surface Electromyography Monitoring

Xiong Zeng, Ying Dong, Xiaohao Wang
2020 Materials  
In this study, a novel flexible dry electrode is presented for sEMG monitoring.  ...  By recording sEMG signal of biceps under three kinds of movement with comparison to conventional wet electrode, the feasibility of the presented flexible dry electrode for sEMG monitoring was proved.  ...  Acknowledgments: Device fabrication and development were carried out in part in the NFC Tsinghua Shenzhen International Graduate School.  ... 
doi:10.3390/ma13102339 pmid:32438718 pmcid:PMC7287936 fatcat:wkmiobgueba7rj4judkkuauyta

Recent advances in skin-like wearable sensors: sensor design, health monitoring, and intelligent auxiliary

Ziyu Huang, Yaqi Xu, Ya Cheng, Min Xue, Mengtian Deng, Nicole Jaffrezic-Renault, Zhenzhong Guo
2022 Sensors & Diagnostics  
Recent advances in health monitoring devices and intelligent assistive devices based on skin sensors.  ...  The base of traditional ion-selective electrodes lacks flexibility and mechanical flexibility, which makes it impossible to make close contact with the human body during the measurement process and thus  ...  conductive fluid to the skin in contact with the electrode and increasing the contact area and pressure between the electrode and the skin.  ... 
doi:10.1039/d2sd00037g fatcat:awtc4w6zd5efpgvvwifperylru

Mapping small intestine bioelectrical activity using high-resolution printed-circuit-board electrodes

T. R. Angeli, G. O'Grady, J. C. Erickson, P. Du, N. Paskaranandavadivel, I. P. Bissett, L. K. Cheng, A. J. Pullan
2011 2011 Annual International Conference of the IEEE Engineering in Medicine and Biology Society  
In this study, novel methods were developed for the in-vivo high-resolution recording and analysis of small intestine bioelectrical activity, using flexible printed-circuit-board (PCB) electrode arrays  ...  The methods developed and validated in this study are applicable for use in humans, where future studies will serve to improve the clinical understanding of small intestine motility in health and disease  ...  Acknowledgments This work was supported in part by the New Zealand Health Research Council, the NIH (R01 DK64775), the Riddet Institute, the Earle Food Research Fund. We thank Linley Nisbet, Dr.  ... 
doi:10.1109/iembs.2011.6091227 pmid:22255449 pmcid:PMC4076342 dblp:conf/embc/AngeliOEDPBCP11 fatcat:3x67myy4njeebjmvlr5lg4kjh4
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