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Journal articles on the topic 'Electrochemical measurement'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 March 2023

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1

Hara, Takeshi, Yuta Kinoshita, Hiroki Yamamoto, and Masumi Ogishima. "Fabrication of a Fundamental Electrochemical Measurement System for an Electrochemical Sensor." Journal of the Institute of Industrial Applications Engineers 10, no. 4 (2022): 72–76. http://dx.doi.org/10.12792/jiiae.10.72.

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2

Park, Su-Moon, Jung-Suk Yoo, Byoung-Yong Chang, and Eun-Shil Ahn. "Novel instrumentation in electrochemical impedance spectroscopy and a full description of an electrochemical system." Pure and Applied Chemistry 78, no. 5 (2006): 1069–80. http://dx.doi.org/10.1351/pac200678051069.

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The evolution of impedance measurement methods into the current state of the art is reviewed briefly, and recent efforts to develop new instruments to make electrochemical impedance spectroscopy (EIS) measurements faster and more accurate are described. The most recent approach for impedance measurement uses a multichannel detection technique, which is analogous to a spectroscopic measurement such as in Fourier transform infrared spectroscopy. This method, which is capable of making impedance measurements in real time during an electrochemical experiment, allows us to come up with a new integr

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3

Anseth, Ronnie, Nils-Olav Skeie, and Magne Waskaas. "The effect of precipitation and deposition layer growth on impedance measurements." tm - Technisches Messen 86, no. 1 (2019): 25–33. http://dx.doi.org/10.1515/teme-2018-0062.

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AbstractThe objective of the study was to examine how precipitation and deposition layer growth in an electrochemical cell impact impedance measurements. A measurement system, based on Electrochemical Impedance Spectroscopy (EIS), was used to observe the impedance of an electrochemical cell while precipitation was occurring. The measurement system was also used together with measurements of the solution concentration (in parts per million, ppm) to examine what impact deposition layer growth has on an electrochemical cell. Experimental results indicate a measurable change in the impedance magni

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4

Periasamy, Vengadesh, Prince Nishchal Narayanaswamy Elumalai, Sara Talebi, et al. "Novel same-metal three electrode system for cyclic voltammetry studies." RSC Advances 13, no. 9 (2023): 5744–52. http://dx.doi.org/10.1039/d3ra00457k.

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5

Dražić, D. M., and J. P. Popić. "Electrochemistry of Active Chromium: Part 1—Anomalous Corrosion and Products of Chromium Dissolution in Deaerated Sulfuric Acid." Corrosion 60, no. 3 (2004): 297–303. http://dx.doi.org/10.5006/1.3287734.

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Abstract Chromium corroding in deaerated aqueous solution of sulfuric acid (H2SO4; pH 1 to 3) produces Cr(II) and Cr(III) ions simultaneously in the ratio 7:1, as well as H2. The corrosion potentials of electrochemically activated chromium are determined by the electrochemical processes as expected according to the Wagner-Traud model. However, the real rates of chromium corrosion determined by collecting evolved hydrogen, spectrophotometric determination of the accumulated Cr ions in the solution, or by weight-loss measurements are higher than the electrochemical dissolution rate by up to 12 t

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Ikeda, Hikaru, Satohiro Itagaki, Shigeki Nishii, Yojiro Yamamoto, Yasuhiro Sadanaga, and Hiroshi Shiigi. "Electrochemical measurement of microbial activity." Review of Polarography 68, no. 1 (2022): 15–25. http://dx.doi.org/10.5189/revpolarography.68.15.

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7

Saito, Shunsuke, Satoshi Sunada, Mitsuaki Furui, Susumu Ikeno, and Seiji Saikawa. "Electrochemical Behavior of Mg-6mass%Al Alloy Corroded in Na₂SO₄ and NaCl Solutions." Advanced Materials Research 409 (November 2011): 368–72. http://dx.doi.org/10.4028/www.scientific.net/amr.409.368.

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The corrosion behavior of Mg-6mass%Al alloy with different microstructure conditions was studied by electrochemical method in Na2SO4 and NaCl solutions. A measurement of polarization curves was carried out in order to investigate the fundamental electrochemical characteristics. Electrochemical impedance spectroscopy was carried out to discuss the corrosion characteristics that were obtained from polarization curves. Electrochemical measurements were carried out with as-cast, as solution-treated and two kinds of aged specimens, respectively. For measurement of polarization curves, the apparent

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8

Kurihara, Kazue. "Surface forces measurement for materials science." Pure and Applied Chemistry 91, no. 4 (2019): 707–16. http://dx.doi.org/10.1515/pac-2019-0101.

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Abstract This article reviews the surface forces measurement as a novel tool for materials science. The history of the measurement is briefly described in the Introduction. The general overview covers specific features of the surface forces measurement as a tool for studying the solid-liquid interface, confined liquids and soft matter. This measurement is a powerful way for understanding interaction forces, and for characterizing (sometime unknown) phenomena at solid-liquid interfaces and soft complex matters. The surface force apparatus (SFA) we developed for opaque samples can study not only

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9

Chapin, Ashley Augustiny, Jinjing Han, and Reza Ghodssi. "Adsorption Kinetic Model Predicts and Improves Reliability of Electrochemical Serotonin Detection." Methods and Protocols 6, no. 1 (2023): 6. http://dx.doi.org/10.3390/mps6010006.

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Serotonin (5-HT) is a neurotransmitter involved in many biophysiological processes in the brain and in the gastrointestinal tract. Electrochemical methods are commonly used to quantify 5-HT, but their reliability may suffer due to the time-dependent nature of adsorption-limited 5-HT detection, as well as electrode fouling over repeated measurements. Mathematical characterization and modeling of adsorption-based electrochemical signal generation would improve reliability of 5-HT measurement. Here, a model was developed to track 5-HT electrode adsorption and resulting current output by combining

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10

Othman, Ali. "2021 Colin Garfield Fink Postdoctoral Summer Fellowship – Summary Report Luciferase – Functionalized 3D Highly Porous Gold-based Electrochemical Biosensors." Electrochemical Society Interface 30, no. 4 (2021): 36–37. http://dx.doi.org/10.1149/2.f08214if.

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Recent advances in electrochemical biosensors have focused on new materials and strategies to improve specificity, sensitivity, stability, and response time. Herein, we aim to develop an electrochemical biosensor device by modification of a screen-printed electrode (SPE) with highly porous Au nanostructures and a bioluminescence (BL)-producing enzyme (luciferase). This approach leverages the enhanced electrochemically active surface area and the mass transport effect and offers an alternative configuration for optical output from the enzyme. The BL presents an instantaneous measurement of enzy

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11

Ueno, Fumiyoshi. "Ⅳ. Electrochemical Measurements in Various Environments―Nuclear Power Plant I （Electrochemical Measurement in Nuclear Power Plant）―." Zairyo-to-Kankyo 68, no. 1 (2019): 2–8. http://dx.doi.org/10.3323/jcorr.68.2.

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12

Anseth, Ronnie, Nils-Olav Skeie, and Magne Waskaas. "Preliminary studies on monitoring fouling layers on a charged electrode using Electrical Impedance Spectroscopy." tm - Technisches Messen 85, no. 2 (2018): 137–46. http://dx.doi.org/10.1515/teme-2017-0129.

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Abstract The objective of the study described in this paper was to examine whether fouling on an electrode surface can be monitored through impedance measurements using a modified Electrochemical Impedance Spectroscopy technique. The attempt was to evaluate a measurement system that could monitor fouling, within an electrochemical cell, by using EIS to find one single frequency to measure the impedance magnitude. An electrical potential difference was applied to the electrochemical cell to generate an electrical field to accelerate the deposition layer growth on one electrode. Experimental res

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13

Stafford, Gery. "(Invited) In-Situ Stress Measurement during Electrochemical Processing." ECS Meeting Abstracts MA2022-02, no. 30 (2022): 1086. http://dx.doi.org/10.1149/ma2022-02301086mtgabs.

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The electrochemical community often uses in situ wafer curvature and cantilever bending techniques to examine stress development during electrochemical processing. These techniques have been used to examine and quantify surface stress induced by surface charge (electrocapillarity), adsorption processes, and growth stress associated with underpotential deposition (UPD) and electrodeposition. The sensitivity of the stress measurement to surface processes makes this technique particularly relevant for electrochemical studies. For example, we have used in situ surface stress measurements to examin

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14

ICHINO, Ryouichi, Masazumi OKIDO, and Takeo OKI. "Electrochemical measurement of electrolytic degreasing rate." Journal of the Surface Finishing Society of Japan 40, no. 1 (1989): 128–29. http://dx.doi.org/10.4139/sfj.40.128.

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15

Chen, Y. M., G. P. Yu, and J. H. Huang. "Pinhole Enlargement during Electrochemical Porosity Measurement." CORROSION 58, no. 10 (2002): 846–48. http://dx.doi.org/10.5006/1.3287666.

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16

Itagaki, Masayuki. "Measurement and Interpretation of Electrochemical Impedance." Zairyo-to-Kankyo 48, no. 11 (1999): 681–85. http://dx.doi.org/10.3323/jcorr1991.48.681.

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17

Inoue, Hiroyuki. "A Grounding in Electrochemical Noise Measurement." Zairyo-to-Kankyo 52, no. 9 (2003): 444–51. http://dx.doi.org/10.3323/jcorr1991.52.444.

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18

Halpern, Jeffrey M., Emily Ziino, and Sabrina Marnoto. "Measurement Drift in Electrochemical Impedance Spectroscopy." ECS Meeting Abstracts MA2020-01, no. 45 (2020): 2577. http://dx.doi.org/10.1149/ma2020-01452577mtgabs.

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19

Yabuki, Soichi, and Fumio Mizutani. "Electrochemical measurement of phenothiazine-interacted DNA." Bioelectrochemistry 63, no. 1-2 (2004): 253–55. http://dx.doi.org/10.1016/j.bioelechem.2003.10.022.

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20

Dvorak, Vojtech, Marek Bohrn, Lukas Fujcik, Jiri Haze, Vilem Kledrowetz, and Michal Pavlik. "Architecture of Compact Electrochemical Measurement Instrument." IFAC-PapersOnLine 49, no. 25 (2016): 159–63. http://dx.doi.org/10.1016/j.ifacol.2016.12.027.

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21

Liu, Chen Yao, Wei Wei Yu, Yun Guang Huang, et al. "Alternative Working Electrode for the Determination of the AntioxidantContent by Electrochemical Techniques." Applied Mechanics and Materials 548-549 (April 2014): 708–12. http://dx.doi.org/10.4028/www.scientific.net/amm.548-549.708.

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T501 is an antioxidant widely used in transformer oil. The content of T501 in transformer oil can be detected by electrochemical techniques, however, in the process of condition optimizing for electrochemical measurement, people haven’t done in-depth study the effect of working electrode on T510 antioxidant electrochemical measurement. This paper mainly introduced the alternative working electrodes for the determination of the antioxidant content. Through researching the electrochemical properties of T501 antioxidant by the electrochemical workstation, it is confirmed that the graphite electro

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22

Wang, Xiang Jun, Shu Zhang, Yi Liu, and Dou Ji. "The Electrochemical Principle of Measuring Underwater Electric Field." Applied Mechanics and Materials 232 (November 2012): 863–68. http://dx.doi.org/10.4028/www.scientific.net/amm.232.863.

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Whether electric stealth ship, or ship by ship to achieve the electric field detection, location can’t be separated to provide high-precision measuring equipment field measured data, underwater electric field to discuss the principle of electrochemical measurements and underwater electric field measurement equipment calibration, field measurements of underwater deep understanding of electrochemical principles and calibration of measuring equipment underwater electric field can improve the accuracy of the electric field experiments, and finally according to proposed calibration method, calibrat

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23

Zhao, Wenjiao, Magnus Rohde, Ijaz Ul Mohsin, Carlos Ziebert, and Hans J. Seifert. "Heat Generation in NMC622 Coin Cells during Electrochemical Cycling: Separation of Reversible and Irreversible Heat Effects." Batteries 6, no. 4 (2020): 55. http://dx.doi.org/10.3390/batteries6040055.

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The thermal behavior of a commercial lithium-ion cell with the cathode material LiNi0.6Mn0.2Co0.2O2 (NMC622) was investigated during the cycling process using a Tian-Calvet calorimeter (C80, SETARAM Instrumentation, France). Various current flows of 42.5, 85, and 170 mA corresponding to charging rates of 0.5, 1, and 2 C, respectively, were applied in the measurements. The corresponding heat flow rates were measured by the C80 calorimeter at 30 °C. The reversible heat effect due to the reversible electrochemical reaction was quantified by the entropy change measurement. The irreversible heat ef

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24

Stevic, Zoran, and Mirjana Rajcic-Vujasinovic. "System for electrochemical investigations based on a PC and the Lab VIEW package." Chemical Industry 61, no. 1 (2007): 1–6. http://dx.doi.org/10.2298/hemind0701001s.

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This paper describes an electrochemical research system based on the Lab VIEW computer software package. An overview of well known electrochemical methods, such as potential measurements, chronopotentiometry, chronoamperometry, cyclic voltammetry and EIS is given. Electrochemical impedance spectroscopy has been adapted for systems containing large capacitances. For signal generation and recording of the response of the investigated electrochemical cell, a measurement and control system was developed, based on a PC P4 computer. The rest of the hardware consists of a commercially available AD-DA

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25

Williams, Tyler, Rankin Shum, and Devin Rappleye. "Review—Concentration Measurements In Molten Chloride Salts Using Electrochemical Methods." Journal of The Electrochemical Society 168, no. 12 (2021): 123510. http://dx.doi.org/10.1149/1945-7111/ac436a.

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The electrochemical measurement of concentration in molten chloride salts is a valuable tool for the control of existing and potential industrial processes, recycling of precious materials and energy production. The electrochemical techniques commonly used to measure concentration and each techniques’ associated theory are discussed. Practices which improve measurement accuracy and precision are set forth. Exceptionally accurate and precise measurements published in the literature are evaluated based on their performance in specified concentration ranges. The strengths and weaknesses of the mo

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26

Bajgai, Ajay Kumar, Rajaram Karki, Jamuna Thapa Magar, and Puspa Lal Homagai. "Shorea robusta Bark Extract as a Novel Green Inhibitor for Mild Steel Corrosion in 1 M H2SO4 Solution." Amrit Research Journal 3, no. 01 (2022): 29–45. http://dx.doi.org/10.3126/arj.v3i01.50494.

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Extract of Shorea robusta bark as a novel green inhibitor for mild steel (MS) corrosion has been investigated. Qualitative chemical tests, UV, and FTIR measurements were carried out to confirm phytochemicals in the extract. Gravimetric as well as electrochemical methods were employed to examine the inhibition efficiency of the extract. Effects of inhibitor concentration, immersion time as well as working temperature were investigated by weight loss measurement method. Weight loss measurement reveals the maximum inhibition efficiency of 1000 ppm inhibitor for half an hour immersion time. Also,

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27

Chen, Xu Hai, and Min Du. "An Improved Chronoamperometry for Electrochemical Real-Time PCR Measurement." Advanced Materials Research 396-398 (November 2011): 110–14. http://dx.doi.org/10.4028/www.scientific.net/amr.396-398.110.

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Electrochemical real-time PCR (EC-rtPCR) overcomes several shortcomings of fluorescence-based real-time PCR. But traditional electrochemical method has some limitations which reduce the accuracy and efficiency of testing. To overcome the disadvantages of chronoamperometry (CA) we report a novel electrochemical method where a peak current is quickly generated for the current vs. time curve by changing the waveform of voltage excitation in the working electrode. In particular, we derived a mathematical model to illustrate the principle of this method and it can also be used to demonstrate that t

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28

Setiyono, Riyanto, Tias Febriana Hanifa Lestari, Anni Anggraeni, Yeni Wahyuni Hartati, and Husein Hernadi Bahti. "UnpadStat Design: Portable Potentiostat for Electrochemical Sensing Measurements Using Screen Printed Carbon Electrode." Micromachines 14, no. 2 (2023): 268. http://dx.doi.org/10.3390/mi14020268.

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In this research a portable potentiostat was built for electrochemical sensing measurements with three electrodes, specifically SPCEs. The circuit uses a microcontroller as the main controller to manage all activities, starting from adjusting the input voltage for the SPCEs, setting measurement parameters, measuring the resulting current, displaying graphics on the touch screen, sending data to the computer via the USB port, and connecting to the SD card. Measurements and errors with cyclic voltammetry techniques have been compared with commercial potentiostats. The measurement results on a du

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29

SHIROISHI, Hidenobu, and Tatsuhiro OKADA. "Open-Source Electrochemical Measurement System Equipped with Macro Language for Successive Measurements." Journal of Computer Chemistry, Japan 3, no. 2 (2004): 71–76. http://dx.doi.org/10.2477/jccj.3.71.

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30

Przondziono, Joanna, and Witold Walke. "Influence of the Type of Medical Sterilisation on Electrochemical Properties of Passive Layer Created on X10CrNi 18-8 Steel." Solid State Phenomena 212 (December 2013): 141–44. http://dx.doi.org/10.4028/www.scientific.net/ssp.212.141.

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The study presents results of impedance tests performed for wires made of X10CrNi 18-8 steel after electrochemical polishing and chemical passivation, subject to medical sterilisation with pressurised water steam or ethylene oxide. In order to determine the impact of sterilising agent on electrochemical characteristics of the passive layer, impedance measurements were made. Measurements were made with application of measurement system Auto Lab PGSTAT 302N equipped with FRA2 (Frequency Response Analyser) module. Impedance spectra of the system were determined in the tests and data obtained in t

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31

UEDA, Ryuji, Shukuji ASAKURA, Chih-Chian TING, Yoshio TANOZAKI, and Takeo SUGIURA. "Electrochemical Measurement of Ferric Chloride Spray Etching." Journal of the Surface Finishing Society of Japan 43, no. 11 (1992): 1065–69. http://dx.doi.org/10.4139/sfj.43.1065.

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32

KAWAGUCHI, Akihiro, Shin'ichi MAGAINO, Ryuichi YAMAZAKI, and Osami MORI. "Evaluation of Ultrasonic-cleaning by Electrochemical Measurement." Journal of the Surface Finishing Society of Japan 47, no. 2 (1996): 168–72. http://dx.doi.org/10.4139/sfj.47.168.

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33

Choi, H. J., and R. L. Cepulis. "Inhibitor Film Persistence Measurement by Electrochemical Techniques." SPE Production Engineering 2, no. 04 (1987): 325–30. http://dx.doi.org/10.2118/13555-pa.

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34

Okada, Michiya, and Yasunori Hayashi. "Hydrogen Permeation in Iron by Electrochemical Measurement." Journal of the Japan Institute of Metals 50, no. 2 (1986): 201–7. http://dx.doi.org/10.2320/jinstmet1952.50.2_201.

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35

Yao, Sheng, and Min Wang. "Electrochemical Sensor for Dissolved Carbon Dioxide Measurement." Journal of The Electrochemical Society 149, no. 1 (2002): H28. http://dx.doi.org/10.1149/1.1426404.

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36

Liu, Wei-Chiun, Shao-Te Wu, Bin-Da Liu, and Chia-Ling Wei. "CMOS electrochemical measurement circuit for biomolecular detection." International Journal of Electronics 105, no. 9 (2018): 1467–86. http://dx.doi.org/10.1080/00207217.2018.1460872.

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37

Gillis, Kevin D., Xin A. Liu, Andrea Marcantoni, and Valentina Carabelli. "Electrochemical measurement of quantal exocytosis using microchips." Pflügers Archiv - European Journal of Physiology 470, no. 1 (2017): 97–112. http://dx.doi.org/10.1007/s00424-017-2063-2.

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38

Milocco, Ruben H. "Minimal measurement time in electrochemical impedance identification." Electrochimica Acta 39, no. 10 (1994): 1433–39. http://dx.doi.org/10.1016/0013-4686(94)85055-0.

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39

Kim, Jong Jip, and Su Yeon Kang. "Uncertainty evaluation in electrochemical noise resistance measurement." Corrosion Science and Technology 12, no. 5 (2013): 220–26. http://dx.doi.org/10.14773/cst.2013.12.5.220.

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40

Collison, Michael E., Philip J. Stout, Tatyana S. Glushko, et al. "Analytical Characterization of Electrochemical Biosensor Test Strips for Measurement of Glucose in Low-Volume Interstitial Fluid Samples." Clinical Chemistry 45, no. 9 (1999): 1665–73. http://dx.doi.org/10.1093/clinchem/45.9.1665.

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Abstract Background: Minimally invasive interstitial fluid (ISF) sampling and glucose measurement technologies were integrated into a hand-held device for diabetic glucose monitoring investigations. Methods: Conventional electrochemical test strip technology (Bayer Glucometer Elite®) was adapted to measure glucose in small (0.5–2.0 μL) samples of ISF. Test strip glucose measurements were performed on a commercial potentiostat and were compared to various reference glucose methodologies (YSI 2300 analyzer, microhexokinase procedure, Bayer Glucometer Elite). Characterizations of the integrated I

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41

Grinchik, N. N., K. V. Dobrego, and M. A. Chumachenko. "On the Measurement of Electric Resistance of Liquid Electrolytes of Accumulator Battery." ENERGETIKA. Proceedings of CIS higher education institutions and power engineering associations 61, no. 6 (2018): 494–507. http://dx.doi.org/10.21122/1029-7448-2018-61-6-494-507.

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Operational control of parameters of electrolytes (first of all–of specific electric conductivity), is an important electrochemical technology. The methods of measurement of electric conductivity of electrolytes is a subject of permanent discussions because of complexity of physical-and-chemical processes accompanying ion transport and of electrolyte polarization near surfaces of electrodes and of electrochemical processes on the electrodes surfaces. Actual highand low-frequency conductometric methods require relatively expensive equipment and are not free of methodological flaws. In this pape

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42

Li, Feng, Gao Yang Zhao, Ying Yang, Gary Pattrick, and Richard Moutloali. "Mild and Low-Cost Synthetic Process for Monodispersive Platinum Nanoparitcles on Carbon Aerogel." Materials Science Forum 809-810 (December 2014): 53–58. http://dx.doi.org/10.4028/www.scientific.net/msf.809-810.53.

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A mild synthetic process using formic acid as the reduction agent was applied to prepare 40 wt% Pt/carbon aerogel (CA) electrocatalyst. The as-prepared sample was characterized by transmission electron microscopy (TEM) and electrochemical measurements. The results exhibit Pt nanoparticles with narrow particle size distribution are dispersed throughout carbon aerogel structure. Moreover, the Pt/CA catalyst has smaller Pt nanoparticle mean size than Johnson Matthey HiSpecTM 4000 (JM4000). The electrochemical measurement results indicate that the Pt/CA catalyst with Pt loading of 40 wt% possesses

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Xing, Wei, Shizhang Qiao, Xiaozhong Wu, et al. "Exaggerated capacitance using electrochemically active nickel foam as current collector in electrochemical measurement." Journal of Power Sources 196, no. 8 (2011): 4123–27. http://dx.doi.org/10.1016/j.jpowsour.2010.12.003.

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44

Nofrizal, Nofrizal. "Gambir Extract As A Corrosion Inhibitor For Mild Steel In Acidic Solution." Scientific Contributions Oil and Gas 35, no. 3 (2022): 139–45. http://dx.doi.org/10.29017/scog.35.3.786.

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The inhibition infl uence of Gambir extract in 1M Hidrocloric Medium on corrosion of mild steel in acidic solution was studied by weight loss measurements, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS) and scanning electron microscope (SEM method. It is believed that the phenolic compounds that contained in the Gambir extract in 1 M Hidrocloric medium to be responsible for the inhibition. The corrosion studies shows that Gambir extract gives an anodic type of inhibition and best at the concentration of 150 ppm. The inhibition effi ciency for weight loss measurement

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45

Wang, Hao, Jia Liu, and Di Zhu. "A Study of Precision Current Efficiency Curve Measurement with a Casing-Type Anode." Applied Sciences 11, no. 4 (2021): 1425. http://dx.doi.org/10.3390/app11041425.

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Electrochemical machining (ECM) is a non-traditional machining technology that is widely used in the manufacturing of key components in the aviation industry. The current efficiency is defined as the ratio of the observed amount of dissolved metal to the theoretical amount predicted from Faraday’s law. In ECM, the current efficiency curve relates the dissolution rate of the anode material and the current density. Accurate measurement of the current efficiency curve is the basis for anode shape prediction and cathode tool design. However, in conventional measurement methods, the phenomenon of e

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46

Ortiz Santos, Elvis, Laura Galicia Luis, Maria Luisa Lozano, and Gabriela Valdés-Ramírez. "Design of an Electrochemical Biosensor for the Quantification of H₂O₂ for Application to Cardiovascular Diseases." ECS Transactions 110, no. 1 (2023): 333–38. http://dx.doi.org/10.1149/11001.0333ecst.

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Electrochemical biosensors, which are fast and reliable analytical tools, have attracted particular attention in recent years for their ability to incorporate biomolecules into nanomaterial-designed electrodes. In this study, an electrochemical biosensor for the detection of hydrogen peroxide (H2O2) was developed using a multi-walled carbon nanotube (EPMWC) platform electrochemically modified with poly [Fe (III)-5-Aphen] and using an oxide-reductase enzyme as recognition agent. Amperometry was applied to obtain the calibration curves for H2O2 at the reduction process. The analytical parameters

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47

Watanabe, Kazuhiro, Kyoko Sugiyama, Sachiko Komatsu, et al. "Voltammetric pH Measurements Using Azure A-Containing Layer-by-Layer Film Immobilized Electrodes." Polymers 12, no. 10 (2020): 2328. http://dx.doi.org/10.3390/polym12102328.

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pH is one of the most important properties associated with an aqueous solution and various pH measurement techniques are available. In this study, Azure A-modified poly(methacrylic acid) (AA-PMA) was synthesized used to prepare a layer-by-layer deposited film with poly(allylamine hydrochloride) (PAH) on a glassy carbon electrode via electrostatic interactions and the multilayer film-immobilized electrode was used to measure pH. Cyclic voltammetry (CV) and differential pulse voltammetry (DPV) measurement were performed. Consequently, the oxidation potential of AA on the electrode changed with p

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48

Jiménez-Fiérrez, Francisco, María Isabel González-Sánchez, Rebeca Jiménez-Pérez, Jesús Iniesta, and Edelmira Valero. "Glucose Biosensor Based on Disposable Activated Carbon Electrodes Modified with Platinum Nanoparticles Electrodeposited on Poly(Azure A)." Sensors 20, no. 16 (2020): 4489. http://dx.doi.org/10.3390/s20164489.

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Herein, a novel electrochemical glucose biosensor based on glucose oxidase (GOx) immobilized on a surface containing platinum nanoparticles (PtNPs) electrodeposited on poly(Azure A) (PAA) previously electropolymerized on activated screen-printed carbon electrodes (GOx-PtNPs-PAA-aSPCEs) is reported. The resulting electrochemical biosensor was validated towards glucose oxidation in real samples and further electrochemical measurement associated with the generated H2O2. The electrochemical biosensor showed an excellent sensitivity (42.7 μA mM−1 cm−2), limit of detection (7.6 μM), linear range (20

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Badeda, Julia, Monika Kwiecien, Dominik Schulte, and Dirk Sauer. "Battery State Estimation for Lead-Acid Batteries under Float Charge Conditions by Impedance: Benchmark of Common Detection Methods." Applied Sciences 8, no. 8 (2018): 1308. http://dx.doi.org/10.3390/app8081308.

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Abstract:

Impedance or admittance measurements are a common indicator for the condition of lead-acid batteries in field applications such as uninterruptible power supply (UPS) systems. However, several commercially available measurement units use different techniques to measure and interpret the battery impedance. This paper describes common measurement methods and compares their indication for the state of health (SoH) to those of electrochemical impedance spectroscopy (EIS). For this analysis, two strings consisting each of 24 valve-regulated lead-acid (VRLA) batteries with a rated voltage of 12 V and

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Vrsalović, Ladislav, Emeka Emmanuel Oguzie, Mirko Gojić, et al. "Intergranular Corrosion of Cu-Al-Ni Alloy in 0.5 mol dm−3 H2SO4 Solution." Kemija u industriji 69, no. 9-10 (2020): 457–64. http://dx.doi.org/10.15255/kui.2020.022.

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Abstract:

The corrosion behaviour of Cu-Al-Ni alloy in 0.5 mol dm–3 H2SO4 solution was investigated by electrochemical methods including open circuit potential measurement, electrochemical impedance spectroscopy measurements, linear and potentiodynamic polarization. Measurements were performed in 0.5 mol dm–3 H2SO4 at temperatures 20 and 40 °C. After polarization testing, corroded electrode surfaces were ultrasonically cleaned in deionized water and examined by light and scanning electron microscopy, while the elemental composition at individual points of the alloy surface was determined by EDS analysis

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