Academic literature on the topic 'Galvanic coupled intrabody method'

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Journal articles on the topic "Galvanic coupled intrabody method"

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Kibret, Behailu, MirHojjat Seyedi, Daniel T. H. Lai, and Micheal Faulkner. "Investigation of Galvanic-Coupled Intrabody Communication Using the Human Body Circuit Model." IEEE Journal of Biomedical and Health Informatics 18, no. 4 (2014): 1196–206. http://dx.doi.org/10.1109/jbhi.2014.2301165.

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Chen, Zhiying, Yueming Gao, Min Du, and Feng Lin. "A CIRCUIT-COUPLED FEM MODEL WITH CONSIDERING PARASITIC CAPACITANCES EFFECT FOR GALVANIC COUPLING INTRABODY COMMUNICATION." Progress In Electromagnetics Research C 106 (2020): 17–27. http://dx.doi.org/10.2528/pierc20072701.

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Song, Yong, Qun Hao, Kai Zhang, Ming Wang, Yifang Chu, and Bangzhi Kang. "The Simulation Method of the Galvanic Coupling Intrabody Communication With Different Signal Transmission Paths." IEEE Transactions on Instrumentation and Measurement 60, no. 4 (2011): 1257–66. http://dx.doi.org/10.1109/tim.2010.2087870.

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Wei, Ziliang, Yangrong Wen, Yueming Gao, et al. "A Time-Frequency Measurement and Evaluation Approach for Body Channel Characteristics in Galvanic Coupling Intrabody Communication." Sensors 21, no. 2 (2021): 348. http://dx.doi.org/10.3390/s21020348.

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Intrabody communication (IBC) can achieve better power efficiency and higher levels of security than other traditional wireless communication technologies. Currently, the majority of research on the body channel characteristics of galvanic coupling IBC are motionless and have only been evaluated in the frequency domain. Given the long measuring times of traditional methods, the access to dynamic variations and the simultaneous evaluation of the time-frequency domain remains a challenge for dynamic body channels such as the cardiac channel. To address this challenge, we proposed a parallel measurement methodology with a multi-tone strategy and a time-parameter processing approach to obtain a time-frequency evaluation for dynamic body channels. A group search algorithm has been performed to optimize the crest factor of multitone excitation in the time domain. To validate the proposed methods, in vivo experiments, with both dynamic and motionless conditions were measured using the traditional method and the proposed method. The results indicate that the proposed method is more time efficient (Tmeas = 1 ms) with a consistent performance (ρc > 98%). Most importantly, it is capable of capturing dynamic variations in the body channel and provides a more comprehensive evaluation and richer information for the study of IBC.
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El-Shazly, A. H., and H. A. Al-Turaif. "Improvement of the Corrosion Resistance for the Galvanic Coupling of Steel with Polypyrrole Coated Galvanized Steel." Key Engineering Materials 478 (April 2011): 25–33. http://dx.doi.org/10.4028/www.scientific.net/kem.478.25.

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The aim of the present work is to use intrinsically conducting polymers (ICPs) to improve the corrosion resistance ability of the galvanic coupling of galvanized steel coupled with steel by coating it with polypyrrole (PPy). The potentiostatic technique was used for forming the PPy layer using a potentiostat (EG&G A-273 Potentiostat/Galvanostat). Many variables were investigated for their effect on the characteristics of the formed coat layer such as: applied potential, electrolyte concentration (sodium tartrate concentration), solution pH, and type of electrode. The formed coat layer was investigated using X-Ray Photoelectron Spectroscopy (XPS) technique. Finally, the corrosion resistance ability of the galvanic coupling of PPy coated galvanized steel coupled with bare steel was investigated using electrochemical methods such as Tafel method. The results show that the galvanic coupling of PPy coated galvanized steel and bare steel has a corrosion current which is 31.8% less than the galvanic coupling of bare galvanized when coupled with steel.
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Minotani, Tadashi, Katsuyuki Ochiai, Tsutomu Mizota, et al. "Method of Estimating Communication Zone using the Capacitance-coupled Circuit Model in Contactless Electric-field Intrabody Communication." IEEJ Transactions on Electronics, Information and Systems 134, no. 8 (2014): 1024–30. http://dx.doi.org/10.1541/ieejeiss.134.1024.

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Zhang, Ding Fei, Yu Ping Liu, Chang Guo Chen, and Ya Juan Xu. "Galvanic Corrosion Behavior and Three Protection Techniques of Magnesium Alloy Coupled to A6N01S-T5 Aluminum Alloy in NaCl Solution." Materials Science Forum 686 (June 2011): 146–50. http://dx.doi.org/10.4028/www.scientific.net/msf.686.146.

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In this work, the galvanic corrosion behavior of AZ31 magnesium alloy in contact with A6N01S-T5 aluminum alloy in NaCl solution was investigated by electrochemical method, the salt immersion method, SEM. And three protection techniques: (a) rubber gasket technique ,(b)organic coating technique and (c) anodizing technique were used to inhibit the galvanic corrosion. The results of open circuit potential and polarization curve method were explained the corrosion behavior of AZ31 and A6N01S-T5.It was found that AZ31 as anode was accelerated corrosion and A6N01S-T5 as cathode was also corrode in salt immersion experiment. With the increasing of immersion time, the corrosion rate of AZ31 and A6N01S-T5 was gradually decreasing. Then, the efficacy of different anti-corrosive technologies was compared. Fluorine coating technique was an effective way to protect Mg alloy and Al alloy. It was possible to guide the anti-corrosion of magnesium alloy in mobile industry.
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Jia, J. X., G. Song, and A. Atrens. "Boundary element method predictions of the influence of the electrolyte on the galvanic corrosion of AZ91D coupled to steel." Materials and Corrosion 56, no. 4 (2005): 259–70. http://dx.doi.org/10.1002/maco.200403838.

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Yang, Yanliang, Ying Duan, Dongsheng Deng, Dongmi Li, Dong Sui, and Xiaohan Gao. "Cu@Pd/C with Controllable Pd Dispersion as a Highly Efficient Catalyst for Hydrogen Evolution from Ammonia Borane." Nanomaterials 10, no. 9 (2020): 1850. http://dx.doi.org/10.3390/nano10091850.

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A series of Cu@Pd/C with different Pd contents was prepared using the galvanic reduction method to disperse Pd on the surface of Cu nanoparticles on Cu/C. The dispersion of Pd was regulated by the Cu(I) on the surface, which was introduced by pulse oxidation. The Cu2O did not react during the galvanic reduction process and restricted the Pd atoms to a specific area. The pulse oxidation method was demonstrated to be an effective process to control the oxidization degree of Cu on Cu/C and then to govern the dispersion of Pd. The catalysts were characterized by transmission electron microscopy (TEM), high-resolution transmission electron microscope (HRTEM), high angular annular dark field scanning TEM (HAADF-STEM), energy-dispersive spectroscopy (EDS) mapping, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), auger electron spectroscopy (AES), and inductively coupled plasma optical emission spectrometer (ICP-OES), which were used to catalyze the hydrogen evolution from ammonia borane. The Cu@Pd/C had much higher activity than the PdCu/C, which was prepared by the impregnation method. The TOF increased as the Cu2O in Cu/C used for the preparation of Cu@Pd/C increased, and the maximum TOF was 465 molH2 min−1 molPd−1 at 298 K on Cu@Pd0.5/C-640 (0.5 wt % of Pd, 640 mL of air was pulsed during the preparation of Cu/C-640). The activity could be maintained in five continuous processes, showing the strong stability of the catalysts.
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Kim, Joohoon, Hyein Lee, and Taehoon Cho. "Synthesis of Pt Nanoparticles Encapsulated inside Dendrimers As Tunable Oxidase Mimics for Turn-on Fluorescent Sensing of Oxygen." ECS Meeting Abstracts MA2022-01, no. 53 (2022): 2208. http://dx.doi.org/10.1149/ma2022-01532208mtgabs.

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Here, we present the controllable synthesis of dendrimer-encapsulated Pt nanoparticles (Pt DENs) utilizing repetitively coupled chemical reduction and galvanic exchange reactions. This facile method allowed controllable synthesis of the Pt DENs with fair homogeneity in size and composition. In particular, in contrast to the conventional dendrimer-templating methods, the proposed synthesis method allowed substantial increase in the applicable number of Pt atoms up to 1320 in Pt DENs without being limited by the fixed number of complexation sites for the Pt2+ precursor ions in dendrimers. We also present a detailed investigation on the oxidase-mimetic activity of the Pt DENs for catalytic oxidation of Amplex Red to resorufin with O2. Importantly, after clarifying intrinsic oxidase-mimetic activity of the Pt DENs, we disclosed that the Pt DENs’ oxidase-mimetic activity was tailorable for the oxidation of Amplex Red to resorufin especially with fine-tuning of the Pt2+/dendrimer ratios by using the proposed synthesis method.
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Dissertations / Theses on the topic "Galvanic coupled intrabody method"

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Asogwa, Clement Ogugua. "An intrabody signal propagation study for human body hydration." Thesis, 2016. https://vuir.vu.edu.au/33261/.

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Human body composition refers to the relative proportions of fat, bone, water, muscle and minerals in the body. Adequate proportions of these are a primary requirement for healthy living. Measurement of body composition is important for medical diagnosis and for understanding the physiological proportions of body tissues for physical fitness and exercise performance. Studies in human body hydration, as an example, provides the information necessary to understand the desired fluid levels for optimal performance of the body's physiological and metabolic processes during exercise and activities of daily living. It can help identify, or quantify issues of ill-health or wellbeing, e.g. lymphoedema and risk of heart attack. This thesis proposes a new system for assessing human body hydration which measures changes in body fluid level in real time.
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Conference papers on the topic "Galvanic coupled intrabody method"

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Ates, Kayhan, and Sukru Ozen. "Modelling of Galvanic Coupled Intrabody Communication due to Finite Element Method." In 2019 Medical Technologies Congress (TIPTEKNO). IEEE, 2019. http://dx.doi.org/10.1109/tiptekno.2019.8895216.

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Alcala-Medel, Jose, Jim Lim, and Yang Li. "Investigation of Galvanic and Capacitively Coupled Intrabody Transmission Around the Human Head." In 2020 IEEE Texas Symposium on Wireless and Microwave Circuits and Systems (WMCS). IEEE, 2020. http://dx.doi.org/10.1109/wmcs49442.2020.9172408.

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Zeng, Hongjun, Alan Feinerman, and Zhiliang Wan. "A Sacrificial Method for Fabricating Microchannel Accelerated by Galvanic Corrosion." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-81124.

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A metal sacrificial method has been investigated for creation of microchannels by galvanic corrosion in a metal multilayer. To achieve the fastest sacrificial metal combination, different metals and the corresponding etchants are chosen. Channels from 50 μm to 1 μm wide, 0.2 μm high, and 1500 μm long, as well as the channel array is fabricated, using Cr/Cu galvanic metal couple as sacrificial material. The relationship between the etching front vs. the etching time, and the relationship of the etch rate vs. channel width is measured and compared with the etching performance of the single metal. The measurement shows there is approximately 10 times faster etching in the galvanic coupled metals than that in the single metal. SEM images of the channels and channel array made by this method are presented. This method is compatible with the conventional VLSI process, and has the potential for fabricating microchannels with submicron or even nanometer cross section.
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Chang, Je-Young, Choong-Un Kim, Nancy Michael, Balu Pathangey, Paul Gwin, and Ravi Prasher. "New Electrochemical Cell Designs and Test Methods for Corrosion Testing of the Components in Integrated Circuit Liquid Cooling Systems." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-15223.

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This paper introduces new electrochemical cells and testing methods that are ideal for characterizing corrosion risk assessment of the components used for liquid cooling system with high surface to liquid volume ratio. Two cell configurations are described in this paper and they use three electrode and two electrode cells. These cells have the identical structure except for the number of electrodes. These cells are made by sandwiching the working electrode plate (sample) and the counter electrode plate (graphite) with a spacer (gasket), and by filling the cavity with the liquid under interest. In case of the three-electrode cell, the reference electrode is inserted through the hole in the graphite. The three-electrode cell is ideal for the quantitative characterization of the corrosion rate by utilizing conventional electrochemical techniques such as a Tafel method. The use of the two-electrode cell is similar to the case of the galvanic corrosion characterization as it measures the cell current that flows between the dissimilar metals that are in contact with the liquid. When coupled with computer assisted data acquisition, the two-electrode cell configuration allows the characterization of long-term corrosion reliability of a component with a variation in a large number of test variables. It is particularly useful in finding corrosion inhibitors.
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