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Journal articles on the topic 'Reduction-oxidation reactions'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Biswas, Salah Uddin, Kripasindhu Karmakar, and Bidyut Saha. "Oxidation‐reduction reactions in geochemistry." Vietnam Journal of Chemistry 59, no. 2 (2021): 133–45. http://dx.doi.org/10.1002/vjch.202000196.

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AbstractThere are more than hundred elements in the periodic table and many of them are associated with various geochemical processes. Most of the elements can show more than one oxidation states, therefore, reactions involving oxidation and reduction are of very much importance in geochemistry. Since every change (chemical or physical) is associated with the change of energy, hence for every single process, there should be a reliable way for quantitative measurement of energy change. In case of any redox process, the energy change can be quantitatively expressed in terms of reduction potentia

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2

Tapalova, A., and O. Suleimenova. "Electrochemical analysis of oxidation-reduction reactions." Chemical Bulletin of Kazakh National University, no. 1 (May 14, 2013): 148. http://dx.doi.org/10.15328/chemb_2013_1148-154.

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3

Carter, Dean E. "Oxidation-Reduction Reactions of Metal Ions." Environmental Health Perspectives 103 (February 1995): 17. http://dx.doi.org/10.2307/3432005.

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4

Carter, D. E. "Oxidation-reduction reactions of metal ions." Environmental Health Perspectives 103, suppl 1 (1995): 17–19. http://dx.doi.org/10.1289/ehp.95103s117.

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5

B., Sethuram. "Electron transfer reactions involving organic molecules." Journal of Indian Chemical Society Vol. 78, Apr 2001 (2001): 159–74. https://doi.org/10.5281/zenodo.5849779.

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6

Fauziah, Fauziah. "Studi Perbandingan Pengajaran Reaksi Reduksi Oksidasi Antara Cara Perubahan Bilangan Oksidasi dengan Cara Setengah Reaksi terhadap Hasil Belajar Siswa Kelas XII IPA 1 dan XII IPA 2." Jurnal Ilmiah Universitas Batanghari Jambi 21, no. 1 (2021): 353. http://dx.doi.org/10.33087/jiubj.v21i1.1330.

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Oxidation-Reduction Reactions (Redox) are one of the hardest reactions to equalize, this means that it is hard to determine the suitable Reaction Coefficient. An easier and more logical train of thought is to remember that a Reduction and an Oxidation reaction happens simultaneously. A Redox Reaction has two methods in order to equalize, that which is by using the “Change in Oxidation Number” method or the “Half-Reaction (Ion-Electron)” method. The students’ skills in completing a Redox Reaction can be observed in the grades that they have achieved. This observation is intended to find out if

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7

Gamisch, Bernd, Lea Huber, Matthias Gaderer, and Belal Dawoud. "On the Kinetic Mechanisms of the Reduction and Oxidation Reactions of Iron Oxide/Iron Pellets for a Hydrogen Storage Process." Energies 15, no. 21 (2022): 8322. http://dx.doi.org/10.3390/en15218322.

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This work aims at investigating the kinetic mechanisms of the reduction/oxidation (redox) reactions of iron oxide/iron pellets under different operating conditions. The reaction principle is the basis of a thermochemical hydrogen storage system. To simulate the charging phase, a single pellet consisting of iron oxide (90% Fe2O3, 10% stabilising cement) is reduced with different hydrogen (H2) concentrations at temperatures between 600 and 800 °C. The discharge phase is initiated by the oxidation of the previously reduced pellet by water vapour (H2O) at different concentrations in the same tempe

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8

Nan Yao and Yu Lin Hu, Nan Yao and Yu Lin Hu. "Recent Progress in the Application of Ionic Liquids in Electrochemical Oxidation and Reduction." Journal of the chemical society of pakistan 41, no. 2 (2019): 264. http://dx.doi.org/10.52568/000728/jcsp/41.02.2019.

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Electrochemical oxidation and reduction, with clean power, are key to energy conversion and storage. For example, electrochemical oxidation is a determining step for fuel cells, combination of electrochemical oxidation and reduction can form a metal-air battery. Electrochemical oxidation and reduction make significant contributions to prepare valuable chemicals directly and improve yield efficiency and reduce the three wastes, which have become one of the green methodologies. Ionic liquids have attracted increasing attentions in the area of electrochemistry due to their significant properties

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9

Shao, Minhua. "(Invited) Understanding Electrocatalytic Reactions By in Situ Infrared Spectroscopy." ECS Meeting Abstracts MA2025-01, no. 54 (2025): 2636. https://doi.org/10.1149/ma2025-01542636mtgabs.

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Infrared spectroscopy is a powerful tool to study the elecatalytic reactions, including but not limited to hydrogen oxidation/evolution reactions, small organic molecule oxidations, oxygen reduction reaction, CO2 reduction. In this talk, some examples recently conducted will be presented and discussed.

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10

Preet, Anant, and Tzu-En Lin. "A Review: Scanning Electrochemical Microscopy (SECM) for Visualizing the Real-Time Local Catalytic Activity." Catalysts 11, no. 5 (2021): 594. http://dx.doi.org/10.3390/catal11050594.

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Scanning electrochemical microscopy (SECM) is a powerful scanning probe technique for measuring the in situ electrochemical reactions occurring at various sample interfaces, such as the liquid-liquid, solid-liquid, and liquid-gas. The tip/probe of SECM is usually an ultramicroelectrode (UME) or a nanoelectrode that can move towards or over the sample of interest controlled by a precise motor positioning system. Remarkably, electrocatalysts play a crucial role in addressing the surge in global energy consumption by providing sustainable alternative energy sources. Therefore, the precise measure

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11

Shibley, Ivan A., Katie E. Amaral, David J. Aurentz, and Ronald J. McCaully. "Oxidation and Reduction Reactions in Organic Chemistry." Journal of Chemical Education 87, no. 12 (2010): 1351–54. http://dx.doi.org/10.1021/ed100457z.

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12

Zuman, Petr, and Bhavdeep Shah. "Addition, Reduction, and Oxidation Reactions of Nitrosobenzene." Chemical Reviews 94, no. 6 (1994): 1621–41. http://dx.doi.org/10.1021/cr00030a007.

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13

Alper, H. "Metal catalyzed carbonylation and oxidation-reduction reactions." Pure and Applied Chemistry 60, no. 1 (1988): 35–38. http://dx.doi.org/10.1351/pac198860010035.

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14

Sanz, Roberto, and Raquel Hernández-Ruiz. "Dichlorodioxomolybdenum(VI) Complexes: Useful and Readily Available Catalysts in Organic Synthesis." Synthesis 50, no. 20 (2018): 4019–36. http://dx.doi.org/10.1055/s-0037-1610236.

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Molybdenum(VI) dichloride dioxide (MoO2Cl2), and its addition complexes [MoO2Cl2(L)n; L = neutral ligand], are commercially or easily available and inexpensive transition-metal complexes based on a non-noble metal that can be applied as catalysts for various organic transformations. This short review aims to present the most significant breakthroughs in this field.1 Introduction2 Preparation and Reactivity of MoO2Cl2(L)n Complexes2.1 Synthesis and Structure2.2 Reactivity of Dichlorodioxomolybdenum(VI) Complexes3 Redox Processes Catalyzed by MoO2Cl2(L)n Complexes3.1 Deoxygenation Reactions Usin

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15

Dinara, Mukimova. "TYPES OF REDOX REACTIONS." TECHNICAL SCIENCE RESEARCH IN UZBEKISTAN 2, no. 7 (2024): 57–65. https://doi.org/10.5281/zenodo.13148698.

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Oxidation-reduction (redox) reactions are fundamental chemical processes involving the transfer of electrons between species. These reactions encompass diverse types, including combination, decomposition, displacement, and disproportionation reactions. Understanding their mechanisms and applications is crucial in fields ranging from chemistry to biology and environmental science. This review categorizes and explores various types of redox reactions, highlighting their significance and practical implications

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16

Zhao, Huawang, Lei Han, Yujie Wang, and Jiandong Zheng. "Insight into Platinum Poisoning Effect on Cu-SSZ-13 in Selective Catalytic Reduction of NOx with NH3." Catalysts 11, no. 7 (2021): 796. http://dx.doi.org/10.3390/catal11070796.

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Platinum’s (Pt) poisoning effect on Cu-SSZ-13 and its regeneration were investigated. The Pt enhanced the parallel reactions, such as NH3 oxidation and NO oxidation reactions, which decreased the deNOx activities. In the temperature range below 330 °C, the deactivation of Cu-SSZ-13 by Pt poisoning was primarily caused by the overconsumption of NH3, due to the enhanced NH3-selective oxidation reaction, while the formation of NOx in NH3 oxidation and NO oxidation into NO2 further aggravated the degradation when the temperature was above 460 °C. The non-selective NH3 oxidation and non-selective N

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17

Mammadov, A. N., U. N. Sharifova, M. B. Babanly, and D. B. Tagiyev. "APPLICATION OF FUZZY LOGIC THEORY TO THERMODYNAMIC MODELING OF PHASE EQUILIBRIUM AND OXIDATION-REDUCTION REACTIONS." Azerbaijan Chemical Journal, no. 2 (April 24, 2025): 36–51. https://doi.org/10.32737/0005-2531-2025-2-36-51.

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The paper analyzes the works on optimization of thermodynamic equations of heterogeneous equilibrium using a multi-objective genetic algorithm (MGA) for calculation and multi-3D modeling of liquidus surfaces, boundaries of stable and metastable states of solid solutions of chalcogenide systems YbTe–SnTe, SnTe–Sb2Te3, Bi2Te3–Sb2Te3–PbTe, SnSb2Te4, SnSb4Sb7, Tl9SmTe6–Tl9BiTe6 and Tl9SmTe6–Tl8PbTe3–Tl9BiTe6, BiI3–Bi2S3–Bi2Te3 of interest for semiconductor technology, U–Nb alloys of interest as nuclear fuel for fast breeder reactors, H2O-MMA (methyl methacrylate) and H2O-furfural systems exhibitin

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18

Nguyen, Bichlien H., Robert J. Perkins, Jake A. Smith, and Kevin D. Moeller. "Photovoltaic-driven organic electrosynthesis and efforts toward more sustainable oxidation reactions." Beilstein Journal of Organic Chemistry 11 (February 23, 2015): 280–87. http://dx.doi.org/10.3762/bjoc.11.32.

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The combination of visible light, photovoltaics, and electrochemistry provides a convenient, inexpensive platform for conducting a wide variety of sustainable oxidation reactions. The approach presented in this article is compatible with both direct and indirect oxidation reactions, avoids the need for a stoichiometric oxidant, and leads to hydrogen gas as the only byproduct from the corresponding reduction reaction.

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19

Ashworth, Claire. "Single system for simultaneous oxidation and reduction reactions." Nature Reviews Materials 6, no. 3 (2021): 200. http://dx.doi.org/10.1038/s41578-021-00285-0.

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20

Wang, Wei-Dong, Andreja Bakac, and James H. Espenson. "Oxidation and Reduction Reactions of Hydroperoxo Cobalt Macrocycles." Inorganic Chemistry 34, no. 16 (1995): 4049–56. http://dx.doi.org/10.1021/ic00120a007.

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21

Ogawa, Kazuya, Yuria Umetsu, and Kenji Kamimura. "Changes in the absorption spectra and colour of tetraphenylporphyrins after redox reactions." Journal of Chemical Research 44, no. 9-10 (2020): 613–17. http://dx.doi.org/10.1177/1747519820910915.

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In this study, we have investigated the electrochromic properties including the change in absorption spectra and colour after oxidation and reduction reactions of tetraphenylporphyrin and its metal complexes in dichloromethane. The first oxidation potential is determined from CV measurements, and the reduction potential is estimated from comparison with literature values. Electrolytic reactions are carried out by applying the oxidation potential and reduction potential to each sample solution. The metals used are Ag(II), Cu(II), Fe(III), Mg(II), Mn(III), Ni(II) and Zn(II). Various colours can

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22

Fang, Bin Zheng, Chen Liang Zhou, Jian Wei Cao, et al. "Octahedral Molecular Sieves (OMS) of Copper-Manganese Oxides for Low-Temperature Selective Catalytic Reduction of NO with CH₄." Applied Mechanics and Materials 675-677 (October 2014): 543–46. http://dx.doi.org/10.4028/www.scientific.net/amm.675-677.543.

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Cu-OMS catalyst reveals well catalytic performance on the oxidation-reduction reactions of gasoline engine exhaust. The catalysts were characterized by means of XRD, nitrogen physisorption and oxidation-reduction reactions. The results of the catalytic tests revealed that CO conversion can get 95% at as low as 150°C and achieve 100% at 200°C through 2CO+O2→2CO reaction, while CH4 and NO conversion can achieve 87% and 90% at 300°C respectively. The Cu-ML corresponds to a type IVisothermal, and Cu-OMS corresponds to a type II isothermal. High Cu dispersion in manganese oxide crystals and low agg

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23

Cho, Yunhee, Thi Anh Le, and Hyoyoung Lee. "Understanding Surface Modulation to Improve the Photo/Electrocatalysts for Water Oxidation/Reduction." Molecules 25, no. 8 (2020): 1965. http://dx.doi.org/10.3390/molecules25081965.

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Water oxidation and reduction reactions play vital roles in highly efficient hydrogen production conducted by an electrolyzer, in which the enhanced efficiency of the system is apparently accompanied by the development of active electrocatalysts. Solar energy, a sustainable and clean energy source, can supply the kinetic energy to increase the rates of catalytic reactions. In this regard, understanding of the underlying fundamental mechanisms of the photo/electrochemical process is critical for future development. Combining light-absorbing materials with catalysts has become essential to maxim

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24

Kamat, Prashant V., and Federica Costantino. "(Invited) CdS/Pd Photocatalytic Bipolar Membrane for Selective Reduction and Oxidation Processes." ECS Meeting Abstracts MA2022-01, no. 36 (2022): 1572. http://dx.doi.org/10.1149/ma2022-01361572mtgabs.

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A bipolar membrane with specific cation exchange and anion exchange properties between the two layers enables design of photocatalytically active membrane which also separate reaction compartments. The key advantage of such a membrane lies in the separation of oxidation and reduction processes while continue to engage in the photodriven reactions. The example of simultaneous oxidation of 4-chlorophenol and the reduction of 4-nitrophenol under visible light irradiation of the BPM-CdS/Pd shows its effectiveness in photocatalytic remediation of chemical contaminants. The CdS-Pd based bipolar memb

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25

Mączka, Wińska, Grabarczyk, and Galek. "Plant-Mediated Enantioselective Transformation of Indan-1-one and Indan-1-ol. Part 2." Molecules 24, no. 23 (2019): 4342. http://dx.doi.org/10.3390/molecules24234342.

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The main purpose of this publication was to obtain the S-enantiomer of indan-1-ol with high enantiomeric excess and satisfactory yield. In our research, we used carrot callus cultures (Daucus carota L.), whereby the enzymatic system reduced indan-1-one and oxidized indan-1-ol. During the reaction of reduction, after five days, we received over 50% conversion, with the enantiomeric excess of the formed S-alcohol above 99%. In turn, during the oxidation of racemic indan-1-ol after 15 days, 36.7% of alcohol with an enantiomeric excess 57.4% S(+) remained in the reaction mixture. In addition, our

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26

Bhattacharyya, Kalishankar. "Electrocatalysis with quantum chemistry." EPJ Web of Conferences 268 (2022): 00007. http://dx.doi.org/10.1051/epjconf/202226800007.

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The following article presents a brief introduction to modeling an electrochemical reaction. Two crucial concepts, oxidation-reduction and acid-base reactions, are briefly illustrated to understand the structural changes of the electro-catalyst. These two concepts are applied to compute the stability of catalysts for electrochemical reactions from the density functional theory calculations.

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27

Si, Yu, Jizong Zhang, Qiumi Huang, et al. "Manganese–nickel bimetallic oxide electrocatalyzing redox reactions of lithium polysulfides in lithium–sulfur batteries." Sustainable Energy & Fuels 6, no. 5 (2022): 1426–35. http://dx.doi.org/10.1039/d1se01987b.

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MnOx–NiOx/C composite bidirectionally catalyzes LiPS reduction and Li2S oxidation via constructing a thiosulfate-mediating reaction path beyond the common route. These intensified Li2Sx (x ≤ 4) redox reactions promote long-term cycling.

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28

Wang, Dunwei. "(Invited) Understanding Water Oxidation Mechanisms on Heterogeneous Catalyst Surfaces." ECS Meeting Abstracts MA2022-02, no. 48 (2022): 1847. http://dx.doi.org/10.1149/ma2022-02481847mtgabs.

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Water oxidation is an important first step in photosynthesis. It provides electrons and protons for reduction reactions such as hydrogen generation or carbon dioxide reduction. From a technological development perspective, it is critically important to carry out water oxidation on heterogeneous catalyst surfaces. However, this reaction is exceedingly difficult to study. Part of the reason for the challenge lies in the lack of clarity of the catalytically active centers for water oxidation. Another reason for the difficulty comes from the fact that the structures of the active center often evol

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29

Farag, Jan W., Ragaa Khalil, Edwin Avila, and Young-Seok Shon. "Catalytic Activity of Water-Soluble Palladium Nanoparticles with Anionic and Cationic Capping Ligands for Reduction, Oxidation, and C-C Coupling Reactions in Water." Nanomaterials 15, no. 5 (2025): 405. https://doi.org/10.3390/nano15050405.

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The availability of water-soluble nanoparticles allows catalytic reactions to occur in highly desirable green environments. The catalytic activity and selectivity of water-soluble palladium nanoparticles capped with 6-(carboxylate)hexanethiolate (C6-PdNP) and 5-(trimethylammonio)pentanethiolate (C5-PdNP) were investigated for the reduction of 4-nitrophenol, the oxidation of α,β-conjugated aldehydes, and the C-C coupling of phenylboronic acid. The study showed that between the two PdNPs, C6-PdNP exhibits better catalytic activity for the reduction of 4-nitrophenol to 4-aminophenol in the presen

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30

Beeler, Joshua A., and Henry S. White. "Reductive Electrosynthesis Initiated By Mediated Oxalate Oxidation." ECS Meeting Abstracts MA2024-02, no. 53 (2024): 3639. https://doi.org/10.1149/ma2024-02533639mtgabs.

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Reductive electrosynthesis often requires large negative potentials, air-sensitive electrocatalysts, precious metal electrode surfaces, dry solvent, and/or a sacrificial anode. As a result, electroorganic reduction reactions remain relatively underdeveloped compared to oxidative electroorganic methods. This work introduces a novel reductive electrosynthetic method, wherein the mediated oxidation of oxalate (C2O4 2–) at a carbon electrode facilitates the homogeneous reduction of aryl halides. Specifically, the homogeneous oxidation of C2O4 2– in mixed organic/aqueous solutions by electrochemica

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31

Elliot, A. John, Shahsultan Padamshi, and Jana Pika. "Free-radical redox reactions of uranium ions in sulphuric acid solutions." Canadian Journal of Chemistry 64, no. 2 (1986): 314–20. http://dx.doi.org/10.1139/v86-053.

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The radiolytic reduction of uranyl ions in degassed sulphuric acid solutions containing various organic solutes was studied. It was shown that while ĊOOH, CO2−, and α-hydroxy-alkyl radicals reduced uranyl ions, the β-hydroxy-alkyl radicals and those derived from gluconic acid could not affect the reduction. The oxidation of uranium(IV) by hydrogen peroxide at pH 0.7 involves hydroxyl radicals in a chain mechanism but at pH 2.0 the oxidation proceeds by a non-radical reaction pathway. From the enhancement of the rate of oxidation of uranium(IV) by oxygen in the presence of 2-propanol, a mechani

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32

Saleem, Basima A. A. "Spectrophotometric Determination of some Drugs using Oxidation Reduction Reactions." Ibn AL-Haitham Journal For Pure and Applied Sciences 32, no. 3 (2019): 43–55. http://dx.doi.org/10.30526/32.3.2281.

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A spectrophotometric method is proposed for the determination of some drugs containing amino group such as mesalazine, metoclopramide and dopamine in pharmaceutical formulations. It was simple, precise, accurate, rapid, and based on the oxidation of each drug with chromate as an oxidizing agent in the presence of 1N hydrochloric acid. Then indigo carmine is reacted with residual chromate in the presence of a catalysis factor (sodium oxalate). Increasing in absorbance's value of the color system is proportional to the amount of the three drugs which is measured at the selected wavelength of 610

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33

Luches, P., M. Liberati, and S. Valeri. "Oxidation–reduction reactions at as-grown Fe/NiO interface." Surface Science 532-535 (June 2003): 409–14. http://dx.doi.org/10.1016/s0039-6028(03)00119-5.

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34

Yunnikova, L. P., and T. V. Makhova. "Oxidation-reduction reactions of 1,3-dithioles and their ions." Chemistry of Heterocyclic Compounds 42, no. 11 (2006): 1495–96. http://dx.doi.org/10.1007/s10593-006-0272-2.

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35

ZUMAN, P., and B. SHAH. "ChemInform Abstract: Addition, Reduction, and Oxidation Reactions of Nitrosobenzene." ChemInform 26, no. 1 (2010): no. http://dx.doi.org/10.1002/chin.199501311.

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36

Bogoczek, Romuald, Elżbieta Kociołek-Balawejder, and Ewa Stanisławska. "Potentiometric studies of oxidation–reduction reactions with redox copolymers." Journal of Applied Polymer Science 107, no. 4 (2007): 2190–95. http://dx.doi.org/10.1002/app.27244.

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37

Ye, Jianqiang, Junhua Gao, Tingting Lin, Kun He, and Dimei Chen. "COGNITIVE LOAD CHANGE IN CHEMICAL CONCEPT LEARNING: INSIGHTS FROM EVENT-RELATED POTENTIALS." Journal of Baltic Science Education 24, no. 1 (2025): 92–104. https://doi.org/10.33225/jbse/25.24.92.

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This study explored the impact of oxidation-reduction reaction problem difficulty on university students' cognitive load using event-related potentials (ERPs). Forty-eight balanced low and high difficulty problems were designed. Fifteen undergraduate students majoring in chemistry (8 females and 7 males) participated in the study. Results demonstrated significantly increased reaction time, significantly decreased accuracy, and highly significantly elevated subjective effort as task difficulty intensified. ERP analysis revealed significant differences in N200, P300, and N400 amplitudes between

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38

Chiang, Wen-Wei, Mei-Hung Chiu, Shiao-Lan Chung, and Chun-Keng Liu. "SURVEY OF HIGH SCHOOL STUDENTS’ UNDERSTANDING OF OXIDATION-REDUCTION REACTION." Journal of Baltic Science Education 13, no. 5 (2014): 596–607. http://dx.doi.org/10.33225/jbse/14.13.596.

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This study investigated the conceptions of 340 Taiwanese high school students (grades 10 to 12) regarding oxidation–reduction reactions. The diagnostic tool used was a two-tier test based on a concept map of redox reactions as presented in high school curriculums. The reliability of the two-tier test items was 0.82. The results show that most 11th graders performed equally well in questions related to the concept of the gain and loss of electrons during oxidation–reduction. In terms of working with oxidation numbers, scores increased with grade level. The results of this study provide valuable

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Xiao, Lei, Peng Chen, Weiping Yang, Xiaoli Zhao, and Fan Dong. "Photocatalytic reaction mechanisms at the gas–solid interface for environmental and energy applications." Catalysis Science & Technology 11, no. 24 (2021): 7807–39. http://dx.doi.org/10.1039/d1cy01776d.

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Five gas–solid photocatalytic reactions including the oxidation of NOx, VOCs and NH3, and reduction of CO2 and N2 are summarized. Besides, basic properties of gas molecules, their adsorption and activation, and various reaction pathways are analyzed.

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40

Meyiwa, Benson. "Iodometric and Iodimetric Titration Methods." Journal Wetenskap Health 1, no. 1 (2020): 5–8. http://dx.doi.org/10.48173/jwh.v1i1.9.

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The discussion of this paper is to knowing and understanding the standard solution using the idometric and iodimetric titration methods. Experiment intent is to knowing and understanding the standard solution using the idometric and iodimetric titration methods. Therefore, the experiment purpose is to determine the levels of vitamin C based on the oxidation-reduction reaction using the iodimetric method, to determine the levels of CuSO4 based on oxidation-reduction reactions using the iodometric method and understanding the standard solution using the idometric and iodimetric titration methods

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41

Febrilia Miharti, Sinda, Harizon Harizon, and Zurweni Zurweni. "Development of student worksheet for blended learning based guide inquiry and science process skill in reduction and oxidation reaction." Jurnal Pendidikan Kimia 13, no. 2 (2021): 103–12. http://dx.doi.org/10.24114/jpkim.v13i2.26979.

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This study aims to determine how the procedure for developing blended learning worksheets based on guided inquiry models and science process skills on the material of reduction and oxidation reactions in SMK. The method used in this research is to follow the Lee and Owens development model consisting of 5 stages of development, namely Analysis, Design, Development, Implementation and Evaluation. Analysis includes analysis of needs, characteristics of students, objectives, materials and technology. Design, researchers determine the schedule and development team, median specifications, prepare m

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ZHDANOV, V. P. "SIMULATION OF KINETIC OSCILLATIONS IN CATALYTIC REACTIONS ACCOMPANIED BY OXIDE FORMATION." Surface Review and Letters 06, no. 03n04 (1999): 347–53. http://dx.doi.org/10.1142/s0218625x99000342.

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One of the generic mechanisms of oscillations in heterogeneous catalytic reactions with participation of oxygen is based on slow oxidation and reduction of the metal surface. We present Monte Carlo simulations of spatiotemporal patterns corresponding to this mechanism. As an example, we analyze the 2A+B2 → 2AB reaction mimicking CO (or H 2) oxidation on Pt. Calculations taking into account the nonideality of the kinetics of oxidation and reduction of the substrate are executed with a qualitatively realistic ratio of the rates of elementary steps. The results obtained indicate that the reaction

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43

Yang, Jinhui, Hongjian Yan, Xu Zong, Fuyu Wen, Meiying Liu, and Can Li. "Roles of cocatalysts in semiconductor-based photocatalytic hydrogen production." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 371, no. 1996 (2013): 20110430. http://dx.doi.org/10.1098/rsta.2011.0430.

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A photocatalyst is defined as a functional composite material with three components: photo-harvester (e.g. semiconductor), reduction cocatalyst (e.g. for hydrogen evolution) and oxidation cocatalyst (e.g. for oxidation evolution from water). Loading cocatalysts on semiconductors is proved to be an effective approach to promote the charge separation and transfer, suppress the charge recombination and enhance the photocatalytic activity. Furthermore, the photocatalytic performance can be significantly improved by loading dual cocatalysts for reduction and oxidation, which could lower the activat

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44

Wang, Dunwei. "(Invited) Understanding Photo-Driven Water Oxidation Mechanisms." ECS Meeting Abstracts MA2024-01, no. 13 (2024): 1075. http://dx.doi.org/10.1149/ma2024-01131075mtgabs.

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Water oxidation is an important reaction that produces electrons and protons, which are important for downstream reactions such as hydrogen production and carbon dioxide reduction. Presently, the slow water oxidation is a key limiting factor for the development of hydrogen production and/or carbon dioxide reduction into practical solar energy storage technologies. An important reason for the slow progress in solve water oxidation problems is the lack of knowledge on the detailed mechanisms by which water is oxidized. As a multi-step process, the reaction involves at least 4 protons and 4 holes

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Shapiro, Yu M. "Reactions of furan aldehydes 4. Oxidation-reduction reactions of furfural with monohydric alcohols." Chemistry of Heterocyclic Compounds 29, no. 1 (1993): 20–22. http://dx.doi.org/10.1007/bf00528631.

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Ramesh, P. D., та K. J. Rao. "Carbothermal reduction and nitridation reaction of SiOx and preoxidized SiOx: Formation of α-Si3N4 fibers". Journal of Materials Research 9, № 9 (1994): 2330–40. http://dx.doi.org/10.1557/jmr.1994.2330.

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The chemical composition of amorphous SiOx has been analyzed by oxidation studies and is found to be SiO1.7. SiO1.7 appears to be a monophasic amorphous material on the basis of 29Si nuclear magnetic resonance, high resolution electron microscopy, and comparative behavior of a physical mixture of Si and SiO2. Carbothermal reduction and nitridation reactions have been carried out on amorphous SiO1.7 and on amorphous SiO2 obtained from oxidation of SiO1.7. At 1623 K reactions of SiO1.7 lead exclusively to the formation of Si2N2O, while those of SiO2 lead exclusively to the formation of Si3N4. Fo

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Kozyrev, Yuriy N., Andrey S. Mendkovich, Vladimir A. Kokorekin, Victor B. Luzhkov, and Alexander I. Rusakov. "Integrated Study of the Thiocyanate Anion Electrooxidation by Electroanalytical and Computational Methods." Journal of The Electrochemical Society 168, no. 12 (2021): 125501. http://dx.doi.org/10.1149/1945-7111/ac39d4.

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The mechanism of the electrochemical oxidation of thiocyanate anion in acetonitrile was studied by cyclic voltammetry, chronoamperometry, electrolysis, digital simulations and quantum chemical calculations. The experimental data indicated complex character of the reaction mechanism, which includes reactions of thiocyanate anion with the products of its oxidation, thiocyanate radical and thiocyanogen. It was proposed that the last reaction takes place in the reduction of thiocyanogen as well. The DFT PCM-SMD M06–2X/aug-CC-pVQZ calculations show that the reaction of thiocyanate anion with thiocy

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Lee, Tsungyu, and Hsunling Bai. "Byproduct Analysis of SO2 Poisoning on NH3-SCR over MnFe/TiO2 Catalysts at Medium to Low Temperatures." Catalysts 9, no. 3 (2019): 265. http://dx.doi.org/10.3390/catal9030265.

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The byproducts of ammonia-selective catalytic reduction (NH3-SCR) process over MnFe/TiO2 catalysts under the conditions of both with and without SO2 poisoning were analyzed. In addition to the NH3-SCR reaction, the NH3 oxidation and the NO oxidation reactions were also evaluated at temperatures of 100–300 °C to clarify the reactions occurred during the SCR process. The results indicated that major byproducts for the NH3 oxidation and NO oxidation tests were N2O and NO2, respectively, and their concentrations increased as the reaction temperature increased. For the NH3-SCR test without the pres

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Lesanavičius, Mindaugas, Daisuke Seo, Gintarė Maurutytė, and Narimantas Čėnas. "Redox Properties of Bacillus subtilis Ferredoxin:NADP+ Oxidoreductase: Potentiometric Characteristics and Reactions with Pro-Oxidant Xenobiotics." International Journal of Molecular Sciences 25, no. 10 (2024): 5373. http://dx.doi.org/10.3390/ijms25105373.

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Bacillus subtilis ferredoxin:NADP+ oxidoreductase (BsFNR) is a thioredoxin reductase-type FNR whose redox properties and reactivity with nonphysiological electron acceptors have been scarcely characterized. On the basis of redox reactions with 3-acetylpyridine adenine dinucleotide phosphate, the two-electron reduction midpoint potential of the flavin adenine dinucleotide (FAD) cofactor was estimated to be −0.240 V. Photoreduction using 5-deazaflavin mononucleotide (5-deazaFMN) as a photosensitizer revealed that the difference in the redox potentials between the first and second single-electron

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Stinson, William D. H., W. Wilson McNeary, Wenjie Zang, Xiaoqing Pan, Katherine Hurst, and Daniel V. Esposito. "Area Selective Atomic Layer Deposition for Spatial Control of Reaction Selectivity on Modelphotocatalysts." ECS Meeting Abstracts MA2024-02, no. 59 (2024): 3923. https://doi.org/10.1149/ma2024-02593923mtgabs.

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Photocatalytic water splitting is one promising route to reducing the cost of H2 production to industrially relevant levels. However, these systems are currently limited in their solar-to-hydrogen efficiency requiring further development in designing highly active and selective reaction sites. Reverse reactions, such as hydrogen oxidation or oxygen reduction, can greatly reduce overall system efficiency and are exacerbated by the close proximity of neighboring particles, which creates locally high concentrations of reactants. Metal oxide coatings have previously been used to selectively block

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