Academic literature on the topic 'Red-Ox potential'

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Journal articles on the topic "Red-Ox potential"

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Chernomorskii, A. I. "The Correlation Between the Electronegativities and the Standard Potentials." Journal of The Electrochemical Society 168, no. 11 (2021): 116514. http://dx.doi.org/10.1149/1945-7111/ac3a26.

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The linear correlations are analyzed between the empirical electronegativities χ a of metals and non-metals and their standard potentials E o . The correlation intersection corresponds to the transfer from metals to non-metals, characterized by the intermediate electronegativity χ a,interm and the standard potential E o ∼+ 0.5 V SHE which is close to Billiter potential +0.475 V SHE. The electronegativity χ a,interm and E o ∼ +0.5 V SHE would correspond to some hypothetical substance (neither metal nor non-metal) without own chemical actiity. This would be due to the intermediate non-specific (
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Kovalenko, Irina, and Pavel Kolesnichenko. "EXPERIMENTAL RATIONALE FOR THE USE OF FLUIDS WITH DIFFERENT REDOX POTENTIAL AS A BASIS FOR INFUSION THERAPY." Research Results in Pharmacology 3, no. (2) (2017): 29–37. https://doi.org/10.18413/2313-8971-2017-3-2-29-37.

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Introduction: The hypothesis is that a change in the redox potential (Red-Ox) of infusion solutions can increase their pharmacological efficacy. Objectives: To study the parameters of redox potential (ORP or Red-Ox) and pH of infusion solutions. To identify the general biological properties of ionized liquids with different ORP when administered by different methods to experimental animals and when applied to the wound surface. To study the effects of infusion therapy with solutions based on ionized fluids with various ORP in anaphylactic shock, bacterial sepsis, alcoholic hepatitis, dehydrati
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Chernomorskii, Alexandr I. "Diagram for the Electrochemical Stability of Water." ECS Meeting Abstracts MA2023-01, no. 44 (2023): 2447. http://dx.doi.org/10.1149/ma2023-01442447mtgabs.

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According to the electrochemical stability diagram of water (Fig. 1), Ox/Red pairs displace hydrogen and oxygen respectively, when equilibrium potentials E Ox/Red < E H+/H2 (line a ) and E Ox/Red > E O2/OH- (line b ). However, if this is theoretically possible, the fact is that only pairs with E Ox/Red > ~ +0.5 V SHE ( E o I2/I- = + 0.535 V SHE; E o NiO2/Ni(OH)2,OH- = + 0.49 V SHE) displace oxygen from alkaline solutions and only pairs with E Ox/Red < ~ +0.5 V SHE ( E o Cu/Cu2+ = +0.34 V SHE; E o Co/Co3+ = +0.4 V SHE) can displace hydrogen from acid solutions. There will be no disp
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Petkovska, Sofija, and Rubin Gulaboski. "Diffusional Electrochemical Catalytic (EC’) Mechanism Featuring Chemical Reversibility of Regenerative Reaction-Theoretical Analysis in Cyclic Voltammetry." Croatica chemica acta 92, no. 4 (2020): 495–502. http://dx.doi.org/10.5562/cca3607.

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We consider theoretically a specific electrochemical-catalytic mechanism associated with reversible regenerative chemical reaction, under conditions of cyclic staircase voltammetry (CSV). We suppose scenario in which two electrochemically inactive substrates “S” and “Y”, together with initial electrochemically active reactant Ox are present in voltammetric cell from the beginning of the experiment. Substrate “S” selectively reacts with initial electroactive reactant Ox and creates electroactive “product” Red (+ Y) in a reversible chemical fashion. The initial chemical equilibrium determines th
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Gonzalez-Horta, Eddy E., Juan F. Burgueno, María J. Leiva, et al. "Oxidized Low-Density Lipoprotein Induces Reactive Oxygen Species-Dependent Proliferation of Intestinal Epithelial Cells." Pharmaceuticals 17, no. 11 (2024): 1466. http://dx.doi.org/10.3390/ph17111466.

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Background/Objectives: Oxidized low-density lipoprotein (ox-LDL) is a proinflammatory particle associated with various diseases and affects cell proliferation and viability in multiple cell types. However, its impact on intestinal epithelial cells remains underexplored. This study investigates the effect of ox-LDL on colonic epithelial cell proliferation and viability, as well as the underlying mechanisms involved. Methods: The expression levels of ox-LDL receptors in human colonoids were analyzed at baseline and in response to proinflammatory signals by qRT-PCR. The effect of ox-LDL on organo
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Käärik, Maike, Mati Arulepp, and Jaan Leis. "Partial Oxidation to Extend the Lifetime of Nanoporous Carbon in an Ultracapacitor with Li2SO4 Electrolyte." Molecules 28, no. 7 (2023): 2944. http://dx.doi.org/10.3390/molecules28072944.

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A TiC-derived carbon (CDC) and its partially oxidized derivative (ox-red-CDC), oxidized by a modified Hummers method, were studied as promising electrode materials for electrochemical energy storage. To evaluate the electrochemical properties of the carbon materials, cyclic voltammetry, galvanostatic cycling, and electrochemical impedance spectroscopy measurements were performed in 1 M Li2SO4 using 2- and 3-electrode cells. A partially oxidized surface was shown to improve the capacitance and electrochemical stability of a nanoporous CDC at positive potential values. The respective anodic capa
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Shevnin, V. A. "IDENTIFICATION OF SELF-POTENTIAL ANOMALIES OF DIFFUSION-ADSORPTION ORIGIN." Moscow University Bulletin. Series 4. Geology, no. 2 (April 28, 2018): 93–98. http://dx.doi.org/10.33623/0579-9406-2018-2-93-98.

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Diffusion and adsorption (DA) potentials are frequently the sources of self-potential anomalies, but they not arouse such practical interest as anomalies of red-ox and filtration origin. DA anomalies can be found everywhere and geophysicists sometimes make mistakes considering DA anomalies as examples of filtration anomalies. Identification of DA anomalies is based on correlation of SP and apparent resistivity values along the same profiles. At MSU students geophysical practice in Kaluga region we obtained profiles with SP and resistivity anomalies with good correlation between them. That fact
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Mirza, Zeenat, Dalal A. Al-Saedi, Salma Saddeek, Sanaa Almowallad, Rehab F. AlMassabi, and Etimad Huwait. "Atheroprotective Effect of Fucoidan in THP 1 Macrophages by Potential Upregulation of ABCA1." Biomedicines 11, no. 11 (2023): 2929. http://dx.doi.org/10.3390/biomedicines11112929.

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Targeting foam cells reduces the risk and pathophysiology of atherosclerosis, of which they are one of its early hallmarks. The precise mechanism of action of fucoidan, a potential anti-atherogenic drug, is still unknown. Our objective was to assess the ability of fucoidan to regulate expression of ATP-binding cassette transporter A1 (ABCA1) in ox-LDL-induced THP-1 macrophages. Molecular docking was used to predict how fucoidan interacts with anti-foam cell markers, and further in vitro experiments were performed to evaluate the protective effect of fucoidan on modulating uptake and efflux of
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Liang, Caihong, Xiaochen Wang, Jianping Hu та ін. "PTPRO Promotes Oxidized Low-Density Lipoprotein Induced Oxidative Stress and Cell Apoptosis through Toll-Like Receptor 4/Nuclear Factor κB Pathway". Cellular Physiology and Biochemistry 42, № 2 (2017): 495–505. http://dx.doi.org/10.1159/000477596.

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Background/Aims: Critical roles of phosphatase receptor type O (PTPRO) and toll-like receptor 4 (TLR4) have been implicated in inflammation. However, little is known about their functional effects on atherosclerosis (AS). We aim to study their potential function in AS. Methods: An oxidized low-density lipoprotein (ox-LDL) induced AS model constructed with PTPRO over-expressing RAW264.7 cells and PTPRO knockout macrophages. Cell apoptosis was assayed by flow cytometry and fatty accumulation was evaluated by oil red staining. The production of ROS (reactive oxygen species), SOD (superoxide dismu
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Zhang, Bu-Chun, Cong-Wei Zhang, Cheng Wang, De-Feng Pan, Tong-Da Xu, and Dong-Ye Li. "Luteolin Attenuates Foam Cell Formation and Apoptosis in Ox-LDL-Stimulated Macrophages by Enhancing Autophagy." Cellular Physiology and Biochemistry 39, no. 5 (2016): 2065–76. http://dx.doi.org/10.1159/000447902.

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Background: Our previous studies demonstrated that luteolin, which is rich in flavones, has various biological properties and can exert anti-oxidant, anti-inflammatory and anti-apoptotic activities. However, its effect on ox-LDL-induced macrophage lipid accumulation and apoptosis has not been revealed. Aims: This study aimed to explore the role of luteolin in ox-LDL-induced macrophage-derived foam cell formation and apoptosis and to delineate the underlying mechanism. Methods: Murine RAW264.7 cells were stimulated with oxidized low-density lipoprotein (ox-LDL) (50 µg/ml) for 24 h and then pret
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Book chapters on the topic "Red-Ox potential"

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Atkins, Peter, George Ratcliffe, Mark Wormald, and Julio de Paula. "Electron transport chains." In Physical Chemistry for the Life Sciences. Oxford University Press, 2023. http://dx.doi.org/10.1093/hesc/9780198830108.003.0027.

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This chapter considers electron transport chains. Two of the most fundamental metabolic processes, aerobic respiration and photosynthesis, which play such a critical role in maintaining life on Earth, require a succession of electron transfers. In both processes the electron transfers take place in membrane-localized electron transport chains that contain multiple electron carriers. These carriers are proteins and other types of molecules that can cycle between oxidized and reduced forms as electrons pass along the chain. Each couple (the oxidized and reduced forms of the carrier, Ox/Red) has
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Conference papers on the topic "Red-Ox potential"

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Boci, Ilirjana. "Comparison of Two Nitrite UV-VIS Spectrophotometric Analysis Methods in Meat Processed Product." In 9th International Scientific Conference ERAZ - Knowledge Based Sustainable Development. Association of Economists and Managers of the Balkans, Belgrade, Serbia, 2023. http://dx.doi.org/10.31410/eraz.2023.567.

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In most countries, the use of nitrite in meat processed products ei­ther ingoing or the residual amount, is regulated by law. This regulation is continuously updated reflecting the newest and most relevant data after bet­ter understanding nitrite’s potential harmful effects and its transformation pathways in organisms. Sodium nitrite added to meat products is partly con­verted to the heat stable NO-myoglobin and to nitrate by oxidation, acting this way as an antioxidant. These biochemical red ox reactions are not ful­ly understood because they depend on many variables in meat matrixes. Ni­trit
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