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Articoli di riviste sul tema "Oxidation reduction"

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Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 14 marzo 2023

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1

Nam, K. W., H. R. Jeong e S. H. Ahn. "VOCs Removal by Oxidation/Reduction Reaction of Cu-Doped Photocatalyst". International Journal of Chemical Engineering and Applications 7, n. 6 (dicembre 2016): 359–64. http://dx.doi.org/10.18178/ijcea.2016.7.6.605.

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2

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, n. 2 (2019): 264. http://dx.doi.org/10.52568/000728/jcsp/41.02.2019.

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Abstract (sommario):

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 including good chemical and thermal stability, wide liquid temperature range, considerable ionic conductivity, nonflammability, broad electrochemical potential window and tunable solvent properties. Up to now, abundant studies of ionic liquids have reported for their practical applications for electrochemical reactions. This review covers recent studies on the applications of ILs as green and universal replacements for the traditional reagents in electrochemical oxidation and reduction. The adaptabilities of ILs in these reactions are predicted as a solution to the problems of conventional electrochemical processes and to become a powerful method in electrochemical oxidation and reduction.

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3

HIROHASHI, Ryo. "Oxidation-Reduction of Organic Dyes". Journal of the Japan Society of Colour Material 64, n. 2 (1991): 92–99. http://dx.doi.org/10.4011/shikizai1937.64.92.

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4

Khandelwal, Y., G. Moraes, N. J. de Souza, H. W. Fehihaber e E. F. Paulus. "Oxidation/reduction studies with forskolin". Tetrahedron Letters 27, n. 51 (gennaio 1986): 6249–52. http://dx.doi.org/10.1016/s0040-4039(00)85444-1.

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5

Millis, Kevin K., Kim H. Weaver e Dallas L. Rabenstein. "Oxidation/reduction potential of glutathione". Journal of Organic Chemistry 58, n. 15 (luglio 1993): 4144–46. http://dx.doi.org/10.1021/jo00067a060.

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6

Schrittwieser, Joerg H., Johann Sattler, Verena Resch, Francesco G. Mutti e Wolfgang Kroutil. "Recent biocatalytic oxidation–reduction cascades". Current Opinion in Chemical Biology 15, n. 2 (aprile 2011): 249–56. http://dx.doi.org/10.1016/j.cbpa.2010.11.010.

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7

Schink, Bernhard, e Michael Friedrich. "Phosphite oxidation by sulphate reduction". Nature 406, n. 6791 (luglio 2000): 37. http://dx.doi.org/10.1038/35017644.

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8

Elema, B. "Oxidation-reduction potentials of chlororaphine". Recueil des Travaux Chimiques des Pays-Bas 52, n. 7 (3 settembre 2010): 569–83. http://dx.doi.org/10.1002/recl.19330520706.

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9

Davis, B. G. "ChemInform Abstract: Oxidation and Reduction". ChemInform 31, n. 17 (8 giugno 2010): no. http://dx.doi.org/10.1002/chin.200017252.

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10

Paul, Amal. "Oxidation-reduction equilibrium in glass". Journal of Non-Crystalline Solids 123, n. 1-3 (agosto 1990): 354–62. http://dx.doi.org/10.1016/0022-3093(90)90808-y.

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11

FLEET, G. W. J. "ChemInform Abstract: Oxidation and Reduction". ChemInform 26, n. 36 (17 agosto 2010): no. http://dx.doi.org/10.1002/chin.199536309.

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12

Davis, B. G., e J. A. G. Williams. "ChemInform Abstract: Oxidation and Reduction". ChemInform 33, n. 50 (18 maggio 2010): no. http://dx.doi.org/10.1002/chin.200250270.

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13

FLEET, G. W. J. "ChemInform Abstract: Oxidation and Reduction". ChemInform 28, n. 30 (3 agosto 2010): no. http://dx.doi.org/10.1002/chin.199730262.

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14

Banerji, K. K. "ChemInform Abstract: Oxidation and Reduction". ChemInform 44, n. 33 (25 luglio 2013): no. http://dx.doi.org/10.1002/chin.201333243.

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15

Mehrotra, R. N. "ChemInform Abstract: Oxidation and Reduction". ChemInform 42, n. 46 (20 ottobre 2011): no. http://dx.doi.org/10.1002/chin.201146254.

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16

FLEET, G. W. J. "ChemInform Abstract: Oxidation and Reduction". ChemInform 24, n. 2 (21 agosto 2010): no. http://dx.doi.org/10.1002/chin.199302301.

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17

FLEET, G. W. J. "ChemInform Abstract: Oxidation and Reduction". ChemInform 22, n. 32 (22 agosto 2010): no. http://dx.doi.org/10.1002/chin.199132283.

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18

Hertz, Leif. "Brain Glutamine Synthesis Requires Neuronal Aspartate: A Commentary". Journal of Cerebral Blood Flow & Metabolism 31, n. 1 (10 novembre 2010): 384–87. http://dx.doi.org/10.1038/jcbfm.2010.199.

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Inspired by the paper, ‘Brain glutamine synthesis requires neuronal-born aspartate as amino donor for glial glutamate formation’ by Pardo et al, a modified model of oxidation–reduction, transamination, and mitochondrial carrier reactions involved in aspartate-dependent astrocytic glutamine synthesis and oxidation is proposed. The alternative model retains the need for cytosolic aspartate for transamination of α-ketoglutarate, but the ‘missing’ aspartate molecule is generated within astrocytes during subsequent glutamate oxidation. Oxaloacetate formed during glutamate formation is used during glutamate degradation, and all transmitochondrial reactions, oxidations–reductions, and cytosolic and mitochondrial transaminations are stoichiometrically balanced. The model is consistent with experimental observations made by Pardo et al.

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19

Emerenciano, Vicente P., D. Cabrol-Bass, Marcelo J. P. Ferreira, Sandra A. V. Alvarenga, Antonio J. C. Brant, Marcus T. Scotti e Karina O. Barbosa. "Chemical Evolution in the Asteraceae. The Oxidation– Reduction Mechanism and Production of Secondary Metabolites". Natural Product Communications 1, n. 6 (giugno 2006): 1934578X0600100. http://dx.doi.org/10.1177/1934578x0600100612.

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This work describes the application of partial least squares (PLS) regression to variables that represent the oxidation data of several types of secondary metabolite isolated from the family Asteraceae. The oxidation states were calculated for each carbon atom of the involved compounds after these had been matched with their biogenetic precursor. The states of oxidation variations were named oxidation steps. This methodology represents a new approach to inspect the oxidative changes in taxa. Partial least square (PLS) regression was used to inspect the relationships among terpenoids, coumarins, polyacetylenes, and flavonoids from a data base containing approximately 27,000 botanical entries. The results show an interdependence between the average oxidation states of each class of secondary metabolite at tribe and sub tribe levels.

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20

Tapalova, A., e O. Suleimenova. "Electrochemical analysis of oxidation-reduction reactions". Chemical Bulletin of Kazakh National University, n. 1 (14 maggio 2013): 148. http://dx.doi.org/10.15328/chemb_2013_1148-154.

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21

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

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22

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

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23

Lovley, D. R., J. D. Coates, J. C. Woodward e E. Phillips. "Benzene oxidation coupled to sulfate reduction." Applied and environmental microbiology 61, n. 3 (1995): 953–58. http://dx.doi.org/10.1128/aem.61.3.953-958.1995.

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24

Merica, Simona G., Wojceich Jedral, Susan Lait, Peter Keech e Nigel J. Bunce. "Electrochemical reduction and oxidation of DDT". Canadian Journal of Chemistry 77, n. 7 (1 luglio 1999): 1281–87. http://dx.doi.org/10.1139/v99-113.

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Electrolysis has been studied as a possible method to treat DDT wastes. In methanol, the major process was dehydrochlorination to DDE followed by further reduction. In an aqueous emulsion containing 1% heptane and 0.1% Triton SP-175®, DDT was reduced at a deposited lead electrode with sodium sulphate as the supporting electrolyte by sequential hydrodechlorination of the aliphatic chlorine atoms. An excellent material balance was achieved, but the current efficiency was poor, even at low current densities. Electrooxidation of DDT was also investigated; in aqueous solutions or emulsion, little oxidation occurred because of competing oxidation of water at the highly positive potentials needed to oxidize DDT. In acetonitrile, electrooxidation occurred with high current efficiency by way of "electrochemical combustion" of DDT and its intermediate oxidation products to CO2. We conclude that development of an electrolytic technology for destroying DDT wastes is unlikely.Key words: electroreduction, electrooxidation, voltammetry, surfactant media.

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25

Raber, Douglas J., e Walter Rodriguez. "Conformational properties of oxidation-reduction cofactors". Journal of the American Chemical Society 107, n. 14 (luglio 1985): 4146–47. http://dx.doi.org/10.1021/ja00300a009.

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26

Anselme, Jean-Pierre. "Understanding Oxidation - Reduction in Organic Chemistry". Journal of Chemical Education 74, n. 1 (gennaio 1997): 69. http://dx.doi.org/10.1021/ed074p69.

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27

Pace, Charles, e Marian Stankovich. "Oxidation-reduction properties of glycolate oxidase". Biochemistry 25, n. 9 (maggio 1986): 2516–22. http://dx.doi.org/10.1021/bi00357a035.

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28

Barcelona, Michael J., e Thomas R. Holm. "Oxidation-reduction capacities of aquifer solids". Environmental Science & Technology 25, n. 9 (settembre 1991): 1565–72. http://dx.doi.org/10.1021/es00021a006.

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29

Silverstein, Todd P. "Oxidation and Reduction: Too Many Definitions?" Journal of Chemical Education 88, n. 3 (marzo 2011): 279–81. http://dx.doi.org/10.1021/ed100777q.

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30

Kim, Geumsoo, Stephen J. Weiss e Rodney L. Levine. "Methionine oxidation and reduction in proteins". Biochimica et Biophysica Acta (BBA) - General Subjects 1840, n. 2 (febbraio 2014): 901–5. http://dx.doi.org/10.1016/j.bbagen.2013.04.038.

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31

Davies, Peter K., e Cynthia M. Katzan. "Oxidation and reduction of BaLa4Cu5O13+δ". Journal of Solid State Chemistry 88, n. 2 (ottobre 1990): 368–83. http://dx.doi.org/10.1016/0022-4596(90)90231-l.

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32

Readey, Dennis W. "Oxidation and Reduction of Ceramic Composites". Materials Science Forum 251-254 (ottobre 1997): 861–68. http://dx.doi.org/10.4028/www.scientific.net/msf.251-254.861.

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33

Hong, Yi-Zhe, Wei-Huan Chiang, Hung-Chieh Tsai, Min-Chiang Chuang, Yan-Chien Kuo, Lo-Yueh Chang, Chia-Hao Chen, Jonathon-David White e Wei-Yen Woon. "Local oxidation and reduction of graphene". Nanotechnology 28, n. 39 (6 settembre 2017): 395704. http://dx.doi.org/10.1088/1361-6528/aa802d.

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34

Coombs, P. G., e Z. A. Munir. "Cyclic reduction-oxidation of haematite powders". Journal of Materials Science 24, n. 11 (novembre 1989): 3913–23. http://dx.doi.org/10.1007/bf01168954.

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35

Rahman, Md Abdur, David R. Kelly, Prasad Ravi, Russell Underwood e Bert Fraser-Reid. "Controlled reduction and oxidation of actinobolin". Tetrahedron 42, n. 9 (gennaio 1986): 2409–16. http://dx.doi.org/10.1016/0040-4020(86)80003-5.

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36

Swarts, Pieter J., e Jeanet Conradie. "Oxidation and reduction data of subphthalocyanines". Data in Brief 28 (febbraio 2020): 105039. http://dx.doi.org/10.1016/j.dib.2019.105039.

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37

Becker, James Y. "Electrochemical Oxidation and Reduction of Allenes". Israel Journal of Chemistry 26, n. 2 (1985): 196–206. http://dx.doi.org/10.1002/ijch.198500093.

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38

Yang, Chia-Hsi, e You-Chung Lin. "The Self Oxidation Reduction ofN-Arylhydroxylamines". Journal of the Chinese Chemical Society 34, n. 1 (marzo 1987): 19–24. http://dx.doi.org/10.1002/jccs.198700004.

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39

Jellinek, Max. "Oxidation-Reduction Maintenance in Organ Preservation". Archives of Surgery 120, n. 4 (1 aprile 1985): 439. http://dx.doi.org/10.1001/archsurg.1985.01390280033008.

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40

Sadasivan, Sajanikumari, Ronan M. Bellabarba e Robert P. Tooze. "Size dependent reduction–oxidation–reduction behaviour of cobalt oxide nanocrystals". Nanoscale 5, n. 22 (2013): 11139. http://dx.doi.org/10.1039/c3nr02877a.

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41

Schoeller, Harry, e Junghyun Cho. "Oxidation and reduction behavior of pure indium". Journal of Materials Research 24, n. 2 (febbraio 2009): 386–93. http://dx.doi.org/10.1557/jmr.2009.0040.

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Abstract (sommario):

Fundamental knowledge on the oxidation behavior of pure indium, commonly used as a low-temperature, fluxless soldering material in micro-electro-mechanical system (MEMS) devices, is of importance as it influences the solder joint reliability. A thermodynamic model of the oxidation and reduction behavior of indium is developed by constructing an Ellingham diagram, and by using H2(g) reactions. Partial pressure (p) of H2O was shown to be the critical parameter in creating a reducing environment in the applicable solder reflow temperature range. Verification of the thermodynamic models was then carried out through heating and melting of indium in controlled glove box environments by adjusting p(H2)/p(H2O). The nanometer scale thickness of the oxide layer grown on indium was measured by a spectroscopic ellipsometer. The growth mechanism for oxidation in air below 220 °C follows Uhlig's logarithmic law where electron transport is the rate-controlling mechanism, implying that there is an incubation period for the onset of initial oxidation. Its activation energy was found to be 0.65 eV.

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42

Jung, S.-C., e W.-S. Yoon. "Modelling and parametric investigation of NOx reduction by oxidation precatalyst-assisted ammonia-selective catalytic reduction". Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 223, n. 9 (1 settembre 2009): 1193–206. http://dx.doi.org/10.1243/09544070jauto1099.

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Nitrogen oxide (NO x) reduction by the selective catalytic reduction (SCR) system assisted by an oxidation precatalyst is modelled and analytically investigated. The Langmuir—Hinshelwood SCR kinetic scheme with vanadium-based catalyst and ammonia (NH3) reductant in conjunction with the NO—NO2 conversion reaction over a platinum-based catalyst is used. The effects of the ratio of the oxidation precatalyst to the SCR monolith volume, the gas temperature, the space velocity, and the NH3-to-NO x concentration ratio on the de-NO x performance are parametrically examined. The oxidation precatalyst promotes NO x conversion at low temperatures. At intermediate temperatures, the NO x reduction is either activated or deactivated with increase in the space velocity. A higher oxidation precatalyst-to-SCR monolith volume ratio tends to promote the NO x reduction of higher space velocities. At high temperatures, the de-NO x efficiency is very high and insensitive to the space velocity. The NO x conversion efficiency depends on the NH3-to-NO x ratio at low temperatures.

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43

Rael, Leonard T., Raphael Bar-Or, Charles W. Mains, Denetta S. Slone, A. Stewart Levy e David Bar-Or. "Plasma Oxidation-Reduction Potential and Protein Oxidation in Traumatic Brain Injury". Journal of Neurotrauma 26, n. 8 (agosto 2009): 1203–11. http://dx.doi.org/10.1089/neu.2008.0816.

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44

Yeow, Jonathan, Amandeep Kaur, Matthew D. Anscomb e Elizabeth J. New. "A novel flavin derivative reveals the impact of glucose on oxidative stress in adipocytes". Chem. Commun. 50, n. 60 (2014): 8181–84. http://dx.doi.org/10.1039/c4cc03464c.

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45

Wang, Li, Chun Mei Li, Xiao Song Li e Li Jie Wang. "Reduction Efficacy of Activated Sludge by Electrochemical Oxidation". Advanced Materials Research 610-613 (dicembre 2012): 2255–58. http://dx.doi.org/10.4028/www.scientific.net/amr.610-613.2255.

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As the electrochemical oxidation technology is an effective and reliable clean technology, in this study the electrochemical oxidation activated sludge process was developed, in which the electrolysis reactor with homocentric circle arrangement electrode was installed, with Ti/RuO2 being used as reticular plates. The results showed that the electrochemical oxidation can reduce activated sludge production substantially. The lysis efficiency of activated sludge achieved was 29.98% in the experiment under the optimal oxidation conditions as follows: pH=12, 60 min of intermittent electrolysis time, working voltage of 6 V and initial VSS concentration of 4670 mg·L-1,while the SCOD and TP being released from cell lysis at the maximum of 712.2 and 33 mg·L-1 respectively; and the NH3-N also reached the maximum and presented a declining trend with operation time?, which showed that this conditions were the best for electrolysis oxidation of activated sludge.

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46

Wang, Tao, Yan Hong Leng e Lian Sheng Chen. "The Study on High-Temperature Oxidation Law of 20CrMo Steel in the Regenerative Heating Furnace". Advanced Materials Research 291-294 (luglio 2011): 778–81. http://dx.doi.org/10.4028/www.scientific.net/amr.291-294.778.

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The special atmosphere of oxidation and reduction combustion in regenerative heating furnace is confirmed by anglicizing working principle of the furnace, and the growth and nature of steel’s oxide layer is influenced by the special combustion atmosphere. From the respects of thermodynamics and kinetics, the high-temperature oxidation regular of 20CrMo steel is studied. The oxidative production include steady oxide of Fe2O3、Fe3O4、FeO.The oxide layer grow slowly when temperature below 1100°C, but speedily when it is over1100°C. With the commutation of valve, the combustion atmosphere of regenerative heating furnace alternates between oxidation and reduction. Following the "intermittent" growth law, 20CrMo steel is in the process of “growth - decomposition –growth”.

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47

Breault, Ronald W., e Esmail R. Monazam. "Fixed bed reduction of hematite under alternating reduction and oxidation cycles". Applied Energy 145 (maggio 2015): 180–90. http://dx.doi.org/10.1016/j.apenergy.2015.02.018.

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48

Matsuda, Tomoko, Tadao Harada e Kaoru Nakamura. "Enantioselective Oxidation and Reduction by Geotrichum candidum." Journal of Synthetic Organic Chemistry, Japan 59, n. 7 (2001): 659–69. http://dx.doi.org/10.5059/yukigoseikyokaishi.59.659.

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49

Kourtakis, K., M. Robbins, P. K. Gallagher e T. Tiefel. "Synthesis of B2YCu4O8 by anionic oxidation-reduction". Journal of Materials Research 4, n. 6 (dicembre 1989): 1289–91. http://dx.doi.org/10.1557/jmr.1989.1289.

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The superconducting phase Ba2YCu4O8 has been synthesized (as a bulk powder) in flowing oxygen. This was achieved by using the anionic oxidation/reduction method (or the SCD method), in which an aqueous solution containing oxidizing (NO−3 salts) and reducing components (e.g., acetate salts) is spray dried into an intimate mixture. At 300 °C, an internal exothermic oxidation/reduction reaction completely converts the spray-dried powder into the corresponding mixed oxides in one reaction step. Because the resultant mixed oxide powder is homogeneous on a fine scale, the final oxide phase can subsequently be produced at lower temperatures and shorter reaction times. Using this method, ∼93–94% phase pure Ba2YCu4O8 (as determined by x-ray diffraction) has been synthesized in flowing oxygen. Pellets of Ba2YCu4O4 fabricated from the mixed oxides were prepared and partially sintered by firing at 800 °C in flowing oxygen for 50 h. Resistivity and magnetic (AC) susceptibility measurements show onset Tc's of 82–84 and 72–73 K, respectively.

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50

Cong, Yan-qing, Zu-cheng Wu e Tian-en Tan. "Dechlorination by combined electrochemical reduction and oxidation". Journal of Zhejiang University SCIENCE 6B, n. 6 (giugno 2005): 563–68. http://dx.doi.org/10.1631/jzus.2005.b0563.

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