Journal articles: 'Redox condition'

1

Olander, D. "Redox condition in molten fluoride salts." Journal of Nuclear Materials 300, no. 2-3 (February 2002): 270–72. http://dx.doi.org/10.1016/s0022-3115(01)00742-5.

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Güler, Taki. "Redox behavior of galena in alkaline condition." Ionics 24, no. 1 (June 9, 2017): 221–27. http://dx.doi.org/10.1007/s11581-017-2172-0.

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Su, Yan, Yong Sheng Zhao, Rui Zhou, Xiao Wang, and Sheng He. "Research on Natural Attenuation of BTEX and Changes of Redox Environment in the Process." Advanced Materials Research 183-185 (January 2011): 715–19. http://dx.doi.org/10.4028/www.scientific.net/amr.183-185.715.

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Natural attenuation of BTEX and characteristics of the water in the study are researched in this paper. The study not only obtain the attenuation rules of BTEX over time, but also the rules of the redox materials of the contaminated groundwater over time. From the study, we reach conclusion that the redox conditions is changed with the increasing pollution of BTEX and the oxidation condition changes into reducing condition. With the changing of the redox condition, there take place a variety of redox reactions. The materials of oxidation, such as O2, NO3-, Fe3+and SO42-, are transformed into reduction materials, such as NO2-, Fe2+, S2- and so on. In this process, the components of BTEX are degradated by micro-organisms which using the oxidation materials as electron acceptors.

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Madukwe, Henry Y. "Source-Area Weathering, Composition and Paleo-Redox Condition of Stream Sediments from Ijero-Ekiti, Nigeria." International Journal of Trend in Scientific Research and Development Volume-1, Issue-5 (August 31, 2017): 446–65. http://dx.doi.org/10.31142/ijtsrd2365.

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Tokunaga, Kohei, Tomoya Uruga, Kiyofumi Nitta, Yasuko Terada, Oki Sekizawa, Shinsuke Kawagucci, and Yoshio Takahashi. "Application of arsenic in barite as a redox indicator for suboxic/anoxic redox condition." Chemical Geology 447 (December 2016): 59–69. http://dx.doi.org/10.1016/j.chemgeo.2016.10.016.

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Rouwane, Asmaa, Malgorzata Grybos, Isabelle Bourven, Marion Rabiet, and Gilles Guibaud. "Waterlogging and soil reduction affect the amount and apparent molecular weight distribution of dissolved organic matter in wetland soil: a laboratory study." Soil Research 56, no. 1 (2018): 28. http://dx.doi.org/10.1071/sr16308.

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The release of dissolved organic matter (DOM) from wetland soils is an important pathway for the input of organic compounds into adjacent aquatic environments. In the present study we investigated, under controlled laboratory conditions, the quantity and quality of DOM released from a wetland soil subject to waterlogging and reducing conditions. Three soil redox conditions (oxic, moderately reducing and advanced reducing) were distinguished based on nitrate, ferrous ions and sulfate concentrations in soil solution. Under each redox condition, the quantity (dissolved organic carbon (DOC), humic substances and peptides plus proteins (P-PN) and quality (aromaticity; specific ultraviolet absorbance at 254 nm (SUVA254nm)) and apparent molecular weight (aMW) distribution) of DOM were investigated. The results showed that soil redox condition affects the amount and properties of mobilised DOM. The rate of DOM release and SUVA254 values were highest during the transition from oxic to moderately reducing conditions, whereas both stabilised during progression to advanced reducing conditions. In addition, the mobilised DOM is expected to be more reactive because of an increase in polar substituents in aromatic structures between oxic and moderately reducing conditions. During the development of moderately reducing conditions, dissolved humic substances increased significantly, whereas their aMW distribution (between 500 and 6000 ) remained constant for each of the three different redox conditions. In contrast, the quantity of dissolved P-PN remained low and steady under the three redox conditions, whereas the aMW distribution of protein-like and microbial by-product-like compounds decreased during the development of reducing conditions (aMW of compounds between 100 and >100 000).

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Yang, Rui, Sheng He, Xiao Wang, Qinhong Hu, Dongfeng Hu, and Jizheng Yi. "Paleo-ocean redox environments of the Upper Ordovician Wufeng and the first member in lower Silurian Longmaxi formations in the Jiaoshiba area, Sichuan Basin." Canadian Journal of Earth Sciences 53, no. 4 (April 2016): 426–40. http://dx.doi.org/10.1139/cjes-2015-0210.

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A study of paleo-ocean redox environments is important for understanding the deposition of black shale and has practical implications for shale gas exploration. Here, we selected a total of 52 shale samples from JY1 Well, the first shale gas well of commercial exploitation in China, to analyze the redox conditions of Upper Ordovician Wufeng (O3w) and the first member in lower Silurian Longmaxi shale (S1l1) in the Jiaoshiba area. Abundant pyrite framboids are observed in these units, with average framboid diameters ranging from 3.1 to 4.7 μm and maximum diameter about 10 μm. Analyses of redox-sensitive trace elements suggest the redox environment has evolved from an anoxic condition in the bottom of Member A to a dysoxic condition in the top of Member A, and to a dysoxic–oxic environment in Members B and C. Graptolite and radiolarian are discovered in these shale samples, indicating an oxygenated seafloor, which seems to be contradictory to the results from pyrite framboids and redox-sensitive trace elements. This contradiction is explained as follows: when the shale was deposited, the sedimentation was dominated by euxinic conditions; however, some oxygen may also occasionally migrate to the bottom water due to oxygen-deficient environment, deglaciation, and (or) strong upwelling of nutrient-enriched seawater, while the limited oxygen and anoxic environment is favorable for the preservation and accumulation of organic matter. Combined with the geological characteristics and redox conditions, Member A, especially the shales at the bottom of Member A, is expected to be the most favorable shale gas reservoir in the Jiaoshiba area.

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Gwon, Oh Hun, Jong Yun Kim, Seok-Ju Kang, Hye Ryung Byun, and Young-Jun Yu. "Surface Condition and Conductance of Graphene in Redox Process." Applied Science and Convergence Technology 30, no. 6 (November 30, 2021): 183–85. http://dx.doi.org/10.5757/asct.2021.30.6.183.

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Wiyoto, Wiyoto, Sukenda Sukenda, Enang Harris, Kukuh Nirmala, and Daniel Djokosetiyanto. "Water Quality and Sediment Profile in Shrimp Culture with Different Sediment Redox Potential and Stocking Densities Under Laboratory Condition." ILMU KELAUTAN: Indonesian Journal of Marine Sciences 21, no. 2 (June 2, 2016): 65. http://dx.doi.org/10.14710/ik.ijms.21.2.65-76.

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Sediment quality has been considered as one of the prime factors influencing the environment quality that support maximum shrimp production.The aim of the study was toevaluate the effects of sediment redox potential and shrimp stocking density on the profile of some sediment and water quality parameters. Two factors randomized factorial design was applied, with stocking density (60 and 120 shrimps.m-2) as the first variable and sediment redox potential (-65 mV, -108 mV and -206 mV) as the second variable. Some significant changes in TP, total Mn, and total S concentrations in the sediment were observed after the experimentation (P<0.05). Sediment redox potential significantly affected the dissolved oxygen, TAN, NO2, NO3, and H2S concentrations in the water. Whereas shrimp stocking density affected all water quality parameters except H2S concentration. Significant interactions between redox potential and stocking densities were observed in the nitrite and alkalinity concentrations. The significant effects of both shrimp density and redox potential on the sediment and water parameters in particular those that are known to directly affect the shrimp welfare (e.g. oxygen, ammonia, nitrite and H2S) indicate that these variables are of important aspects in shrimp pond management. Furthermore, the results clearly showed that -206mV redox potential significantly reduced the dissolved oxygen concentration in the sediment-water interface and increased the generation of H2S in water column. Thereby, this redox potential level is not advisable for shrimp culture system. Keywords: redox potential, stocking density.

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Ramprasath, Tharmarajan, Allen John Freddy, Ganesan Velmurugan, Dhanendra Tomar, Balakrishnan Rekha, Vemparthan Suvekbala, and Subbiah Ramasamy. "Context-Dependent Regulation of Nrf2/ARE Axis on Vascular Cell Function during Hyperglycemic Condition." Current Diabetes Reviews 16, no. 8 (September 11, 2020): 797–806. http://dx.doi.org/10.2174/1573399816666200130094512.

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: Diabetes mellitus is associated with an increased risk of micro and macrovascular complications. During hyperglycemic conditions, endothelial cells and vascular smooth muscle cells are exquisitely sensitive to high glucose. This high glucose-induced sustained reactive oxygen species production leads to redox imbalance, which is associated with endothelial dysfunction and vascular wall remodeling. Nrf2, a redox-regulated transcription factor plays a key role in the antioxidant response element (ARE)-mediated expression of antioxidant genes. Although accumulating data indicate the molecular mechanisms underpinning the Nrf2 regulated redox balance, understanding the influence of the Nrf2/ARE axis during hyperglycemic condition on vascular cells is paramount. This review focuses on the context-dependent role of Nrf2/ARE signaling on vascular endothelial and smooth muscle cell function during hyperglycemic conditions. This review also highlights improving the Nrf2 system in vascular tissues, which could be a potential therapeutic strategy for vascular dysfunction.

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Tabata, Fuka, Yasuaki Wada, Satomi Kawakami, and Kazuhiro Miyaji. "Serum Albumin Redox States: More Than Oxidative Stress Biomarker." Antioxidants 10, no. 4 (March 24, 2021): 503. http://dx.doi.org/10.3390/antiox10040503.

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Serum albumin is the most abundant circulating protein in mammals including humans. It has three isoforms according to the redox state of the free cysteine residue at position 34, named as mercaptalbumin (reduced albumin), non-mercaptalbumin-1 and -2 (oxidized albumin), respectively. The serum albumin redox state has long been viewed as a biomarker of systemic oxidative stress, as the redox state shifts to a more oxidized state in response to the severity of the pathological condition in various diseases such as liver diseases and renal failures. However, recent ex vivo studies revealed oxidized albumin per se could aggravate the pathological conditions. Furthermore, the possibility of the serum albumin redox state as a sensitive protein nutrition biomarker has also been demonstrated in a series of animal studies. A paradigm shift is thus ongoing in the research field of the serum albumin. This article provides an updated overview of analytical techniques for serum albumin redox state and its association with human health, focusing on recent findings.

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HIROSHIRO, Yoshinari, Keita ODA, Md Abdul HALIM, Abdur RAZZAK, and Kenji JINNO. "Chemical interaction between arsenic and iron with changing redox condition *." Journal of Groundwater Hydrology 50, no. 1 (2008): 25–32. http://dx.doi.org/10.5917/jagh1987.50.25.

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13

Meng, Xiong, and Lim. "Model-Based Condition Monitoring of a Vanadium Redox Flow Battery." Energies 12, no. 15 (August 3, 2019): 3005. http://dx.doi.org/10.3390/en12153005.

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The safe, efficient and durable utilization of a vanadium redox flow battery (VRB) requires accurate monitoring of its state of charge (SOC) and capacity decay. This paper focuses on the unbiased model parameter identification and model-based monitoring of both the SOC and capacity decay of a VRB. Specifically, a first-order resistor-capacitance (RC) model was used to simulate the dynamics of the VRB. A recursive total least squares (RTLS) method was exploited to attenuate the impact of external disturbances and accurately track the change of model parameters in realtime. The RTLS-based identification method was further integrated with an H-infinity filter (HIF)-based state estimator to monitor the SOC and capacity decay of the VRB in real-time. Experiments were carried out to validate the proposed method. The results suggested that the proposed method can achieve unbiased model parameter identification when unexpected noises corrupt the current and voltage measurements. SOC and capacity decay can also be estimated accurately in real-time without requiring additional open-circuit cells.

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Georgellis, Dimitris, Ohsuk Kwon, Edmund C. C. Lin, Sandy M. Wong, and Brian J. Akerley. "Redox Signal Transduction by the ArcB Sensor Kinase of Haemophilus influenzae Lacking the PAS Domain." Journal of Bacteriology 183, no. 24 (December 15, 2001): 7206–12. http://dx.doi.org/10.1128/jb.183.24.7206-7212.2001.

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ABSTRACT The Arc (anoxic redox control) two-component signal transduction system of Escherichia coli, which comprises the tripartite ArcB sensor kinase and the ArcA response regulator, modulates the expression of numerous operons in response to redox conditions of growth. We demonstrate that the arcA and arcBgenes of Haemophilus influenzae specify a two-component system. The Arc proteins of the two bacterial species sufficiently resemble each other that they can participate in heterologous transphosphorylation in vitro. Moreover, the Arc system of H. influenzae mediates transcriptional control according to the redox condition of growth both autologously in its own host and homologously in E. coli, indicating a high degree of functional conservation of the signal transduction system. The H. influenzae ArcB, however, lacks the PAS domain present in the region of E. coli ArcB linking the transmembrane to the cytosolic catalytic domains. Because the PAS domain participates in signal reception in a variety of sensory proteins, including sensors of molecular oxygen and redox state, a similar role was previously ascribed to it in ArcB. Our results demonstrate that the ArcB protein of H. influenzae mediates signal transduction in response to redox conditions of growth despite the absence of the PAS domain.

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Fukushi, Yuka, Yuichi Yokochi, Ken-ichi Wakabayashi, Keisuke Yoshida, and Toru Hisabori. "Verification of the Relationship between Redox Regulation of Thioredoxin Target Proteins and Their Proximity to Thylakoid Membranes." Antioxidants 11, no. 4 (April 13, 2022): 773. http://dx.doi.org/10.3390/antiox11040773.

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Thioredoxin (Trx) is a key protein of the redox regulation system in chloroplasts, where it modulates various enzyme activities. Upon light irradiation, Trx reduces the disulfide bonds of Trx target proteins (thereby turning on their activities) using reducing equivalents obtained from the photosynthetic electron transport chain. This reduction process involves a differential response, i.e., some Trx target proteins in the stroma respond slowly to the change in redox condition caused by light/dark changes, while the ATP synthase γ subunit (CF1-γ) located on the surface of thylakoid membrane responds with high sensitivity. The factors that determine this difference in redox kinetics are not yet known, although here, we hypothesize that it is due to each protein’s localization in the chloroplast, i.e., the reducing equivalents generated under light conditions can be transferred more efficiently to the proteins on thylakoid membrane than to stromal proteins. To explore this possibility, we anchored SBPase, one of the stromal Trx target proteins, to the thylakoid membrane in Arabidopsis thaliana. Analyses of the redox behaviors of the anchored and unanchored proteins showed no significant difference in their reduction kinetics, implying that protein sensitivity to redox regulation is determined by other factors.

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Bradley, P. M., F. H. Chapelle, and J. E. Landmeyer. "Effect of H2and Redox Condition on Biotic and Abiotic MTBE Transformation." Groundwater Monitoring & Remediation 26, no. 4 (September 2006): 74–81. http://dx.doi.org/10.1111/j.1745-6592.2006.00119.x.

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Zhang, Quan, Lixin Pei, Chunyan Liu, Mei Han, and Wenzhong Wang. "Impact of Redox Condition on Fractionation and Bioaccessibility of Arsenic in Arsenic-Contaminated Soils Remediated by Iron Amendments: A Long-Term Experiment." Geofluids 2018 (2018): 1–7. http://dx.doi.org/10.1155/2018/5243018.

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Iron-bearing amendments, such as iron grit, are proved to be effective amendments for the remediation of arsenic- (As-) contaminated soils. In present study, the effect of redox condition on As fractions in As-contaminated soils remediated by iron grit was investigated, and the bioaccessibility of As in soils under anoxic condition was evaluated. Results showed that the labile fractions of As in soils decreased significantly after the addition of iron grit, while the unlabile fractions of As increased rapidly, and the bioaccessibility of As was negligible after 180 d incubation. More labile fractions of As in iron-amended soils were transformed into less mobilizable or unlabile fractions with the contact time. Correspondingly, the bioaccessibility of As in iron-amended soils under the aerobic condition was lower than that under the anoxic condition after 180 d incubation. The redistribution of loosely adsorbed fraction of As in soils occurred under the anoxic condition, which is likely ascribed to the reduction of As(V) to As(III) and the reductive dissolution of Fe-(hydr)oxides. The stabilization processes of As in iron-amended soils under the anoxic and aerobic conditions were characterized by two stages. The increase of crystallization of Fe oxides, decomposition of organic matter, molecular diffusion, and the occlusion within Fe-(hydr)oxides cocontrolled the transformation of As fractions and the stabilization process of As in iron-amended soils under different redox conditions. In terms of As bioaccessibility, the stabilization process of As in iron-amended soils was shortened under the aerobic condition in comparison with the anoxic condition.

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Jekel, M., and S. Gruenheid. "Bank filtration and groundwater recharge for treatment of polluted surface waters." Water Supply 5, no. 5 (December 1, 2005): 57–66. http://dx.doi.org/10.2166/ws.2005.0039.

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Investigations on the behavior of different bulk organics and trace organic compounds at a bank filtration site at Lake Tegel in Berlin, Germany, and in a long retention soil column system are reported. The objective of the research was to assess important factors of influence for the degradation of bulk and trace organics. More than two years of monitoring for the bulk parameter DOC proved that the redox conditions significantly influence the DOC-degradation rates but not necessarily the residual concentration. LC-OCD measurements confirmed that the change in character is comparable for aerobic and anoxic/anaerobic infiltration. Only the fraction of polysaccharides shows a better removal under aerobic conditions. Furthermore, adsorbable organic iodine (AOI) measurements revealed a more efficient degradation of AOI and AOBr under anoxic/anaerobic conditions. The moznitoring of the single organic pollutants Iopromide, Sulfamethoxazole and naphthalenedisulfonic acids showed that the redox conditions have an influence on the degradation behavior of some of the monitored compounds. Iopromide was efficiently removed at all times, but no evidence for a dehalogenation under oxic conditions was found. Sulfamethoxazole showed a better removal under anoxic/anaerobic conditions. The very stable 1.5-naphthalenesulfonic acid was not removed under either redox condition.

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Kuczyńska, Monika, Patrycja Jakubek, and Agnieszka Bartoszek. "More than Just Antioxidants: Redox-Active Components and Mechanisms Shaping Redox Signalling Network." Antioxidants 11, no. 12 (December 4, 2022): 2403. http://dx.doi.org/10.3390/antiox11122403.

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The concept of oxidative stress as a condition underlying a multitude of human diseases has led to immense interest in the search for antioxidant-based remedies. The simple and intuitive story of “the bad” reactive oxygen species (ROS) and “the good” antioxidants quickly (and unsurprisingly) lead to the commercial success of products tagged “beneficial to health” based solely on the presence of antioxidants. The commercial success of antioxidants by far preceded the research aimed at understanding the exact redox-related mechanisms that are in control of shaping the states of health and disease. This review describes the redox network formed by the interplay of ROS with cellular molecules and the resulting regulation of processes at the genomic and proteomic levels. Key players of this network are presented, both involved in redox signalling and control of cellular metabolism linked to most, if not all, physiological processes. In particular, this review focuses on the concept of reductive stress, which still remains less well-established compared to oxidative stress.

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Schmid, G. H., K. P. Bader, and R. Schulder. "A Study on the Life Time of the S3-State in the Filamentous Cyanobacterium Oscillatoria chalybea." Zeitschrift für Naturforschung C 49, no. 1-2 (February 1, 1994): 108–14. http://dx.doi.org/10.1515/znc-1994-1-216.

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In the filamentous cyanobacterium Oscillatoria chalybea deactivation of the S-states starting from steady-state conditions in which S0 = S1 = S2 = S3 = 25% reveals that S3 deactivates to a finite level of approx. 10%. This level is reached under normal conditions between 10-15 seconds. This quasi metastable S3 meets all requirements for S3 in that one flash eliminates this redox conditions to give S4 and therewith molecular oxygen. An analysis of the cyanobacterial S-state system in the 5-state Kok model shows that the S-state population in the dark adapted sample contains no contribution from S-1 or a more reduced condition which under normal conditions is the case for Chlorella or higher plant chloroplasts. Hence under standard conditions, the Oscillatoria condition is a pure Kok-4-condition in which S0 is the most reduced state. Under these conditions S2 seems to deactivate to S1 and S3 to S2 and to a smaller extent to S0. In the presence of the ADRY-reagent Ant-2-p (2-(3-chloro-4-trifluoromethyl)- anilino-3,5-dinitrothiophene) introduced by Renger (Biochim. Biophys. Acta 256,428,1972), which is supposed to specifically act on the S3-state (and thereby on S2), not only the deactivation kinetic of S3 (and S2) is accelerated (hence the life time of the S3-state is shortened), but also the level of metastable S3 becomes practically zero. An analysis of the deactivation pattern shows that the agent changes the mode of deactivation of the entire system. Thus, it is seen that after deactivation of a sample in presence of this agent the dark population of S-states contains the more reduced redox condition S-1 It looks as if in this condition S2 deactivates not only to S1 but also to an appreciable extent by two steps to S-1 Another agent ABDAC (alkyl-benzyl-dimethyl-ammoniumchloride) seems to lengthen the lifetime of the S2 and S3 condition in this cyanobacterium by apparently acting on the membrane condition.

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Hashimoto, Koichi, Taro Koide, Toru Okawara, Hisashi Shimakoshi, Yuta Hori, Yoshihito Shiota, Kazunari Yoshizawa, and Yoshio Hisaeda. "Redox behaviour of the β-dihydroporphycene cobalt complex: study on the effect of hydrogenation of the ligand." Dalton Transactions 48, no. 3 (2019): 872–81. http://dx.doi.org/10.1039/c8dt03743d.

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Casagrande, Stefania, and Michaela Hau. "Enzymatic antioxidants but not baseline glucocorticoids mediate the reproduction–survival trade-off in a wild bird." Proceedings of the Royal Society B: Biological Sciences 285, no. 1892 (November 28, 2018): 20182141. http://dx.doi.org/10.1098/rspb.2018.2141.

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The trade-off between reproductive investment and survival is central to life-history theory, but the relative importance and the complex interactions among the physiological mechanisms mediating it are still debated. Here we experimentally tested whether baseline glucocorticoid hormones, the redox system or their interaction mediate reproductive investment–survival trade-offs in wild great tits ( Parus major ). We increased the workload of parental males by clipping three feathers on each wing, and 5 days later determined effects on baseline corticosterone concentrations (Cort), redox state (reactive oxygen metabolites, protein carbonyls, glutathione peroxidase [GPx], total non-enzymatic antioxidants), body mass, body condition, reproductive success and survival. Feather-clipping did not affect fledgling numbers, chick body condition, nest provisioning rates or survival compared with controls. However, feather-clipped males lost mass and increased both Cort and GPx concentrations. Within feather-clipped individuals, GPx increases were positively associated with reproductive investment (i.e. male nest provisioning). Furthermore, within all individuals, males that increased GPx suffered reduced survival rates. Baseline Cort increases were related to mass loss but not to redox state, nest provisioning or male survival. Our findings provide experimental evidence that changes in the redox system are associated with the trade-off between reproductive investment and survival, while baseline Cort may support this trade-off indirectly through a link with body condition. These results also emphasize that plastic changes in individuals, rather than static levels of physiological signals, may mediate life-history trade-offs.

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TAN, Isao, Hirohisa TANAKA, Mari UENISHI, Kimiyoshi KANEKO, and Senshu MITACHI. "Structural Stability of Pd-Perovskite Catalysts after Heat Treatment Under Redox Condition." Journal of the Ceramic Society of Japan 113, no. 1313 (2005): 71–76. http://dx.doi.org/10.2109/jcersj.113.71.

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HIROSHIRO, Yoshinari, Kenji JINNO, Shin-Ichiro WADA, Takashi TOKUNAGA, and Mamoru MORITA. "Behavior of Major Cations in a Laboratory Column Experiment under Redox Condition." Journal of Japan Society on Water Environment 22, no. 12 (1999): 1005–9. http://dx.doi.org/10.2965/jswe.22.1005.

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Seo, Dong Cheol, and R. D. DeLaune. "Fungal and bacterial mediated denitrification in wetlands: Influence of sediment redox condition." Water Research 44, no. 8 (April 2010): 2441–50. http://dx.doi.org/10.1016/j.watres.2010.01.006.

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Fan, Haifeng, Hanjie Wen, Tao Han, Xiangkun Zhu, Lianjun Feng, and Huajin Chang. "Oceanic redox condition during the late Ediacaran (551–541 Ma), South China." Geochimica et Cosmochimica Acta 238 (October 2018): 343–56. http://dx.doi.org/10.1016/j.gca.2018.07.014.

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Paar, Margret, Katharina Seifried, Gerhard Cvirn, Arabella Buchmann, Michael Khalil, and Karl Oettl. "Redox State of Human Serum Albumin in Multiple Sclerosis: A Pilot Study." International Journal of Molecular Sciences 23, no. 24 (December 13, 2022): 15806. http://dx.doi.org/10.3390/ijms232415806.

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Like in many other pathologies, oxidative stress is involved in the development of neurodegenerative disorders. Human serum albumin (HSA) is the main protein in different body fluids including cerebrospinal fluid (CSF). By its redox state in terms of cysteine-34, albumin serves as marker for oxidative burden. We aimed to evaluate the redox state of HSA in patients with multiple sclerosis in serum and CSF in comparison to controls to identify possible correlations with disease activity and severity. Samples were stored at −70 °C until analysis by HPLC for the determination of albumin redox state in terms of the fractions of human mercaptalbumin (HMA), human nonmercaptalbumin1 (HNA1), and human nonmercaptalbumin2 (HNA2). Albumin in CSF showed significantly higher fractions of the reduced form HMA and decreased HNA1 and HNA2. There was no difference between albumin redox states in serum of patients and controls. In CSF of patients HNA2 showed a trend to higher fractions compared to controls. Albumin redox state in serum was associated with physical disability in remission while albumin redox state in CSF was related to disease activity. Thus, albumin redox state in serum and CSF of patients in relation to disease condition merits further investigation.

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Geng, Junxia, Zhongqi Zhao, Zhiqiang Cheng, Wenxin Li, Qiang Dou, Haiying Fu, Jifeng Hu, Xiangzhou Cai, Jingen Chen, and Qingnuan Li. "Transient release of radioactive iodine from the fission of UF4 in 2LiF–BeF2 salt." RSC Advances 11, no. 37 (2021): 22611–17. http://dx.doi.org/10.1039/d1ra03614a.

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Yang, Yibo, Xiaomin Fang, Erwin Appel, Albert Galy, Minghui Li, and Weilin Zhang. "Late Pliocene–Quaternary evolution of redox conditions in the western Qaidam paleolake (NE Tibetan Plateau) deduced from Mn geochemistry in the drilling core SG-1." Quaternary Research 80, no. 3 (November 2013): 586–95. http://dx.doi.org/10.1016/j.yqres.2013.07.007.

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Manganese (Mn) in lake sediments reacts strongly to changes of redox conditions. This study analyzed Mn concentrations in oxides, carbonates, and bulk phases of the calcareous lacustrine sediments of a 938.5-m-long core (SG-1) taken from the western Qaidam Basin, well dated from 2.77 Ma to 0.1 Ma. Comparisons of extractions from diluted hydrochloric acid, acetic acid and citrate"bicarbonate"dithionite demonstrate that variations of Mn concentrations from acetic acid leaching (MnHOAc) are mostly responsible for Mn (II) fluctuations in the carbonate phase. Taking into account the relevant processes during weathering, transportation, deposition and post-deposition of Mn-bearing rocks, we conclude that Mn input from catchment weathering and paleolake redox condition provide the primary controls on variations in the Mn records of carbonate and oxide phases. We propose MnHOAc as a new sensitive indicator of paleolake redox evolution and catchment-scale climate change. The MnHOAc variations show a long-term upward decreasing trend, indicating a long-term decrease of Mn input from catchment weathering associated with increasing oxygen content in the paleolake bottom water. The great similarities of the MnHOAc record with other regional and global records suggest that paleolake redox changes and climatic drying in the Qaidam Basin may be largely related to global cooling.

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Borbély, Péter, Anna Gasperl, Tamás Pálmai, Mohamed Ahres, Muhammad Ahsan Asghar, Gábor Galiba, Maria Müller, and Gábor Kocsy. "Light Intensity- and Spectrum-Dependent Redox Regulation of Plant Metabolism." Antioxidants 11, no. 7 (June 30, 2022): 1311. http://dx.doi.org/10.3390/antiox11071311.

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Both light intensity and spectrum (280–800 nm) affect photosynthesis and, consequently, the formation of reactive oxygen species (ROS) during photosynthetic electron transport. ROS, together with antioxidants, determine the redox environment in tissues and cells, which in turn has a major role in the adjustment of metabolism to changes in environmental conditions. This process is very important since there are great spatial (latitude, altitude) and temporal (daily, seasonal) changes in light conditions which are accompanied by fluctuations in temperature, water supply, and biotic stresses. The blue and red spectral regimens are decisive in the regulation of metabolism because of the absorption maximums of chlorophylls and the sensitivity of photoreceptors. Based on recent publications, photoreceptor-controlled transcription factors such as ELONGATED HYPOCOTYL5 (HY5) and changes in the cellular redox environment may have a major role in the coordinated fine-tuning of metabolic processes during changes in light conditions. This review gives an overview of the current knowledge of the light-associated redox control of basic metabolic pathways (carbon, nitrogen, amino acid, sulphur, lipid, and nucleic acid metabolism), secondary metabolism (terpenoids, flavonoids, and alkaloids), and related molecular mechanisms. Light condition-related reprogramming of metabolism is the basis for proper growth and development of plants; therefore, its better understanding can contribute to more efficient crop production in the future.

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Gasperl, Anna, Eszter Balogh, Ákos Boldizsár, Nadine Kemeter, Richard Pirklbauer, Stefan Möstl, Balázs Kalapos, et al. "Comparison of Light Condition-Dependent Differences in the Accumulation and Subcellular Localization of Glutathione in Arabidopsis and Wheat." International Journal of Molecular Sciences 22, no. 2 (January 9, 2021): 607. http://dx.doi.org/10.3390/ijms22020607.

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This study aimed to clarify whether the light condition-dependent changes in the redox state and subcellular distribution of glutathione were similar in the dicotyledonous model plant Arabidopsis (wild-type, ascorbate- and glutathione-deficient mutants) and the monocotyledonous crop species wheat (Chinese Spring variety). With increasing light intensity, the amount of its reduced (GSH) and oxidized (GSSG) form and the GSSG/GSH ratio increased in the leaf extracts of both species including all genotypes, while far-red light increased these parameters only in wheat except for GSH in the GSH-deficient Arabidopsis mutant. Based on the expression changes of the glutathione metabolism-related genes, light intensity influences the size and redox state of the glutathione pool at the transcriptional level in wheat but not in Arabidopsis. In line with the results in leaf extracts, a similar inducing effect of both light intensity and far-red light was found on the total glutathione content at the subcellular level in wheat. In contrast to the leaf extracts, the inducing influence of light intensity on glutathione level was only found in the cell compartments of the GSH-deficient Arabidopsis mutant, and far-red light increased it in both mutants. The observed general and genotype-specific, light-dependent changes in the accumulation and subcellular distribution of glutathione participate in adjusting the redox-dependent metabolism to the actual environmental conditions.

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Gasperl, Anna, Eszter Balogh, Ákos Boldizsár, Nadine Kemeter, Richard Pirklbauer, Stefan Möstl, Balázs Kalapos, et al. "Comparison of Light Condition-Dependent Differences in the Accumulation and Subcellular Localization of Glutathione in Arabidopsis and Wheat." International Journal of Molecular Sciences 22, no. 2 (January 9, 2021): 607. http://dx.doi.org/10.3390/ijms22020607.

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This study aimed to clarify whether the light condition-dependent changes in the redox state and subcellular distribution of glutathione were similar in the dicotyledonous model plant Arabidopsis (wild-type, ascorbate- and glutathione-deficient mutants) and the monocotyledonous crop species wheat (Chinese Spring variety). With increasing light intensity, the amount of its reduced (GSH) and oxidized (GSSG) form and the GSSG/GSH ratio increased in the leaf extracts of both species including all genotypes, while far-red light increased these parameters only in wheat except for GSH in the GSH-deficient Arabidopsis mutant. Based on the expression changes of the glutathione metabolism-related genes, light intensity influences the size and redox state of the glutathione pool at the transcriptional level in wheat but not in Arabidopsis. In line with the results in leaf extracts, a similar inducing effect of both light intensity and far-red light was found on the total glutathione content at the subcellular level in wheat. In contrast to the leaf extracts, the inducing influence of light intensity on glutathione level was only found in the cell compartments of the GSH-deficient Arabidopsis mutant, and far-red light increased it in both mutants. The observed general and genotype-specific, light-dependent changes in the accumulation and subcellular distribution of glutathione participate in adjusting the redox-dependent metabolism to the actual environmental conditions.

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Perotti, Elda B. R. "Impact of hydroquinone used as a redox effector model on potential denitrification, microbial activity and redox condition of a cultivable soil." Revista Argentina de Microbiología 47, no. 3 (July 2015): 212–18. http://dx.doi.org/10.1016/j.ram.2015.06.003.

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Devi, Salam Ranjeeta. "Geochemistry of the Transitional beds between Disang and Barail Successions of the Imphal Valley, Indo-Myanmar Ranges." Journal of The Indian Association of Sedimentologists 39, no. II (December 31, 2022): 10–16. http://dx.doi.org/10.51710/jias.v39iii.247.

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Major and trace element concentrations were studied from the tansitional beds between Disang and Barail Successions of the Imphal valley, Indo-Myanmar Ranges. Various major and trace element ratios and discrinant diagrams were used to descipher paleoclimate, paleo-redox condition and sedimentary depositional environment of the Disang-Barail Transitional beds. SiO2 vs Al2O3+K2O+ Na2O diagram and Rb/Sr ratios indicates that paleoclimate during the deposition of the sediments changed from arid to semi-arid and humid climate. Ni/Co, V/Cr, V/(Ni+V), V/Sc ratios suggest that these sediments were deposited in oxic, suboxic to anoxic conditions. V/(Ni+V) vs V/Cr diagram suggests paleo-redox environment dominated by sub-reduction to oxidization during Disang –Barail Transitional deposition. The sediments were deposited in transitional to marine depositional environment.

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KAWAKAMI, Keiji, Toshihiro ANDOU, Keita ODA, and Yoshinari HIROSHIRO. "TRANSPORT MODEL FOR ADSORPTION-DESORPTION OF ARSENIC ON IRON HYDROXIDE UNDER REDOX CONDITION." Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 67, no. 4 (2011): I_607—I_612. http://dx.doi.org/10.2208/jscejhe.67.i_607.

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Stein, Shaked, Orit Sivan, Yoseph Yechieli, and Roni Kasher. "Redox condition of saline groundwater from coastal aquifers influences reverse osmosis desalination process." Water Research 188 (January 2021): 116508. http://dx.doi.org/10.1016/j.watres.2020.116508.

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Zaky, Amira, Rabia Bouali-Benazzouz, Alexandre Favereaux, Gianluca Tell, and Marc Landry. "The redox-sensitive APE1 is a master cellular regulator for inflammatory pain condition." IBRO Reports 7 (December 2019): 52–53. http://dx.doi.org/10.1016/j.ibror.2019.09.004.

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Nakamura, Kentaro, and Yasuhiro Kato. "A new geochemical approach for constraining a marine redox condition of Early Archean." Earth and Planetary Science Letters 261, no. 1-2 (September 2007): 296–302. http://dx.doi.org/10.1016/j.epsl.2007.07.020.

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He, Shan, Yong Xia, Jiafei Xiao, Daniel Gregory, Zhuojun Xie, Qinping Tan, Haiying Yang, Haiyan Guo, Shengwei Wu, and Xingxiang Gong. "Geochemistry of REY-Enriched Phosphorites in Zhijin Region, Guizhou Province, SW China: Insight into the Origin of REY." Minerals 12, no. 4 (March 25, 2022): 408. http://dx.doi.org/10.3390/min12040408.

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The rare earth elements and yttrium (REY)-enriched phosphorites in the Zhijin region, southwest China, have attracted much attention, yet its origin has not been sufficiently addressed. The geology, mineralogy and geochemistry of samples from four sections of the early Cambrian age from the Zhijin region were studied to attain the redox condition and origin of REY. Data from in situ analysis show that REY are mainly contained in francolite, and the two types of francolite (bioclastic and granular) have no distinct difference in REY content (ΣREY). A Ce anomaly indicates an oxic condition in primary seawater. An Eu anomaly and ratios of redox sensitive elements (RSEs) indicate a fluctuating redox condition during phosphorite deposition. Shale-normalized REY patterns of whole rock and francolite show a hat-shaped pattern, indicating the effect of diagenetic processes. The Y/Ho ratio of the selected sections ranges from 38.13 to 61.93, and together with the Y anomaly, LaN/NdN ratio, LaN/SmN ratio, and LaN/YbN ratio, this indicates a seawater origin. This is supported by the Ce/Ce* of the phosphorite that ranges from 0.32 to 0.52 and the Eu/Eu* that ranges from 0.88 to 1.82, which is similar to the characteristics of seawater and deep-sea mud. We also propose a minor contribution of terrigenous debris and influence of diagenesis and hydrothermal processes.

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Taïlé, Janice, Angélique Arcambal, Patricia Clerc, Anne Gauvin-Bialecki, and Marie-Paule Gonthier. "Medicinal Plant Polyphenols Attenuate Oxidative Stress and Improve Inflammatory and Vasoactive Markers in Cerebral Endothelial Cells during Hyperglycemic Condition." Antioxidants 9, no. 7 (July 2, 2020): 573. http://dx.doi.org/10.3390/antiox9070573.

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Blood-brain barrier endothelial cells are the main targets of diabetes-related hyperglycemia that alters endothelial functions and brain homeostasis. Hyperglycemia-mediated oxidative stress may play a causal role. This study evaluated the protective effects of characterized polyphenol-rich medicinal plant extracts on redox, inflammatory and vasoactive markers on murine bEnd3 cerebral endothelial cells exposed to high glucose concentration. The results show that hyperglycemic condition promoted oxidative stress through increased reactive oxygen species (ROS) levels, deregulated antioxidant superoxide dismutase (SOD) activity, and altered expression of genes encoding Cu/ZnSOD, MnSOD, catalase, glutathione peroxidase (GPx), heme oxygenase-1 (HO-1), NADPH oxidase 4 (Nox4), and nuclear factor erythroid 2-related factor 2 (Nrf2) redox factors. Cell preconditioning with inhibitors of signaling pathways highlights a causal role of nuclear factor kappa B (NFκB), while a protective action of AMP-activated protein kinase (AMPK) on redox changes. The hyperglycemic condition induced a pro-inflammatory response by elevating NFκB gene expression and interleukin-6 (IL-6) secretion, and deregulated the production of endothelin-1 (ET-1), endothelial nitric oxide synthase (eNOS), and nitric oxide (NO) vasoactive markers. Importantly, polyphenolic extracts from Antirhea borbonica, Ayapana triplinervis, Dodonaea viscosa, and Terminalia bentzoe French medicinal plants, counteracted high glucose deleterious effects by exhibiting antioxidant and anti-inflammatory properties. In an innovative way, quercetin, caffeic, chlorogenic and gallic acids identified as predominant plant polyphenols, and six related circulating metabolites were found to exert similar benefits. Collectively, these findings demonstrate polyphenol protective action on cerebral endothelial cells during hyperglycemic condition.

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MOGI, IWAO, and SUSUMU OKUBO. "PATTERN FORMATION IN ELECTROLESS DEPOSITION." Fractals 03, no. 02 (June 1995): 371–75. http://dx.doi.org/10.1142/s0218348x9500028x.

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Metal-forest patterns of electroless deposits of silver and gold in thin-layer aqueous solutions were studied in connection with their chemical reactions. While the silver metal-forest with a simple redox reaction of Cu and Ag+ showed a DLA (diffusion limited aggregation)-like pattern, the gold metal-forest with a redox reaction of Pb and [Formula: see text] showed a DBM (dense branching morphology). The reaction mechanism of the latter was investigated by means of cyclic voltammetry, and the growth condition of the DBM is discussed.

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Basak, Debasish, Mohammad Nasir Uddin, and Jake Hancock. "The Role of Oxidative Stress and Its Counteractive Utility in Colorectal Cancer (CRC)." Cancers 12, no. 11 (November 11, 2020): 3336. http://dx.doi.org/10.3390/cancers12113336.

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An altered redox status accompanied by an elevated generation of reactive oxygen/nitrogen species (ROS/RNS) has been implicated in a number of diseases including colorectal cancer (CRC). CRC, being one of the most common cancers worldwide, has been reported to be associated with multiple environmental and lifestyle factors (e.g., dietary habits, obesity, and physical inactivity) and harboring heightened oxidative stress that results in genomic instability. Although under normal condition ROS regulate many signal transduction pathways including cell proliferation and survival, overwhelming of the antioxidant capacity due to metabolic abnormalities and oncogenic signaling leads to a redox adaptation response that imparts drug resistance. Nevertheless, excessive reliance on elevated production of ROS makes the tumor cells increasingly vulnerable to further ROS insults, and the abolition of such drug resistance through redox perturbation could be instrumental to preferentially eliminate them. The goal of this review is to demonstrate the evidence that links redox stress to the development of CRC and assimilate the most up-to-date information that would facilitate future investigation on CRC-associated redox biology. Concomitantly, we argue that the exploitation of this distinct biochemical property of CRC cells might offer a fresh avenue to effectively eradicate these cells.

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Montes, Paola, Ana Guerra-Librero, Paloma García, María Elena Cornejo-Calvo, María del Señor López, Tomás de Haro, Laura Martínez-Ruiz, Germaine Escames, and Darío Acuña-Castroviejo. "Effect of 5-Azacitidine Treatment on Redox Status and Inflammatory Condition in MDS Patients." Antioxidants 11, no. 1 (January 9, 2022): 139. http://dx.doi.org/10.3390/antiox11010139.

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This study focused on the impact of the treatment with the hypomethylating agent 5-azacitidine on the redox status and inflammation in 24 MDS patients. Clinical and genetic features of MDS patients were recorded, and peripheral blood samples were used to determine the activity of the endogenous antioxidant defense system (superoxide dismutase, SOD; catalase, CAT; glutathion peroxidase, GPx; and reductase, GRd, activities), markers of oxidative damage (lipid peroxidation, LPO, and advanced oxidation protein products, AOPP). Moreover, pro-inflammatory cytokines and plasma nitrite plus nitrate levels as markers of inflammation, as well as CoQ10 plasma levels, were also measured. Globally, MDS patients showed less redox status in terms of a reduction in the GSSG/GSH ratio and in the LPO levels, as well as increased CAT activity compared with healthy subjects, with no changes in SOD, GPx, and GRd activities, or AOPP levels. When analyzing the evolution from early to advanced stages of the disease, we found that the GPx activity, GSSG/GSH ratio, LPO, and AOPP increased, with a reduction in CAT. GPx changes were related to the presence of risk factors such as high-risk IPSS-R or mutational score. Moreover, there was an increase in IL-2, IL-6, IL-8, and TNF-α plasma levels, with a further increase of IL-2 and IL-10 from early to advanced stages of the disease. However, we did not observe any association between inflammation and oxidative stress. Finally, 5-azacitidine treatment generated oxidative stress in MDS patients, without affecting inflammation levels, suggesting that oxidative status and inflammation are two independent processes.

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Zheng, Kun, Maciej Albrycht, Min Chen, Kezhen Qi, and Paweł Czaja. "Tailoring the Stability of Ti-Doped Sr2Fe1.4TixMo0.6−xO6−δ Electrode Materials for Solid Oxide Fuel Cells." Materials 15, no. 22 (November 21, 2022): 8268. http://dx.doi.org/10.3390/ma15228268.

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In this work, the stability of Sr2(FeMo)O6−δ-type perovskites was tailored by the substitution of Mo with Ti. Redox stable Sr2Fe1.4TixMo0.6−xO6−δ (x = 0.1, 0.2 and 0.3) perovskites were successfully obtained and evaluated as potential electrode materials for SOFCs. The crystal structure as a function of temperature, microstructure, redox stability, and thermal expansion properties in reducing and oxidizing atmospheres, oxygen content change, and transport properties in air and reducing conditions, as well as chemical stability and compatibility towards typical electrolytes have been systematically studied. All Sr2Fe1.4TixMo0.6−xO6−δ compounds exhibit a regular crystal structure with Pm-3m space group, showing excellent stability in oxidizing and reducing conditions. The increase of Ti-doping content in materials increases the thermal expansion coefficient (TEC), oxygen content change, and electrical conductivity in air, while it decreases the conductivity in reducing condition. All three materials are stable and compatible with studied electrolytes. Interestingly, redox stable Sr2Fe1.4Ti0.1Mo0.5O6−δ, possessing 1 μm grain size, low TEC (15.3 × 10−6 K−1), large oxygen content change of 0.72 mol·mol−1 between 30 and 900 °C, satisfactory conductivity of 4.1–7.3 S·cm−1 in 5% H2 at 600–800 °C, and good transport coefficients D and k, could be considered as a potential anode material for SOFCs, and are thus of great interest for further studies.

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Zhang, Yajing, and Dayong Zhang. "Cu-Photoredox-catalyzed C(sp)–C(sp3) coupling of redox-active esters with terminal alkynes." Organic & Biomolecular Chemistry 18, no. 23 (2020): 4479–83. http://dx.doi.org/10.1039/d0ob00835d.

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Under mild condition, redox-active esters of carboxylic acids reacted with aryl and alkyl substituted alkynes in good yields. A copper-acetylid-ligand is a key intermediate for constructing C(sp)–C(sp³) bond.

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Li, Weikai, Zhiming Yang, Massimo Chiaradia, Yong Lai, Chao Yu, and Jiayu Zhang. "Redox state of southern Tibetan upper mantle and ultrapotassic magmas." Geology 48, no. 7 (April 29, 2020): 733–36. http://dx.doi.org/10.1130/g47411.1.

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Abstract The redox state of Earth’s upper mantle in several tectonic settings, such as cratonic mantle, oceanic mantle, and mantle wedges beneath magmatic arcs, has been well documented. In contrast, oxygen fugacity () data of upper mantle under orogens worldwide are rare, and the mechanism responsible for the mantle condition under orogens is not well constrained. In this study, we investigated the of mantle xenoliths derived from the southern Tibetan lithospheric mantle beneath the Himalayan orogen, and that of postcollisional ultrapotassic volcanic rocks hosting the xenoliths. The of mantle xenoliths ranges from ΔFMQ = +0.5 to +1.2 (where ΔFMQ is the deviation of log from the fayalite-magnetite-quartz buffer), indicating that the southern Tibetan lithospheric mantle is more oxidized than cratonic and oceanic mantle, and it falls within the typical range of mantle wedge values. Mineralogical evidence suggests that water-rich fluids and sediment melts liberated from both the subducting Neo-Tethyan oceanic slab and perhaps the Indian continental plate could have oxidized the southern Tibetan lithospheric mantle. The conditions of ultrapotassic magmas show a shift toward more oxidized conditions during ascent (from ΔFMQ = +0.8 to +3.0). Crustal evolution processes (e.g., fractionation) could influence magmatic , and thus the redox state of mantle-derived magma may not simply represent its mantle source.

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Li, Delu, Rongxi Li, Di Zhao, and Feng Xu. "Petrography and Organic Geochemistry Characterizations of Lower Paleozoic Organic-Rich Shale in the Northwestern Upper Yangtze Plate: Niutitang Formation and Longmaxi Formation, Dabashan Foreland Belt." Minerals 8, no. 10 (October 9, 2018): 439. http://dx.doi.org/10.3390/min8100439.

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Measurements of total organic carbon, Rock-Eval pyrolysis, X-ray diffraction, scanning electron microscope, maceral examination, gas chromatography, and gas chromatography-mass spectrometry were conducted on the organic-rich shale of Lower Paleozoic Niutitang Formation and Longmaxi Formation in Dabashan foreland belt to discuss the organic matter characteristic, organic matter origin, redox condition, and salinity. The results indicate that the Niutiang Formation and Longmaxi Formation organic-rich shale are good and very good source rocks with Type I kerogen. Both of the shales have reached mature stage for generating gas. Biomarker analyses indicate that the organic matter origin of Niutitang Formation and Longmaxi Formation organic-rich shale are all derived from the lower bacteria and algae, and the organic matter are all suffered different biodegradation degrees. During Niutitang Formation and Longmaxi Formation period, the redox conditions are both anoxic with no stratification and the sedimentary water is normal marine water.

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Nitti, Mariapaola, Barbara Marengo, Anna Lisa Furfaro, Maria Adelaide Pronzato, Umberto Maria Marinari, Cinzia Domenicotti, and Nicola Traverso. "Hormesis and Oxidative Distress: Pathophysiology of Reactive Oxygen Species and the Open Question of Antioxidant Modulation and Supplementation." Antioxidants 11, no. 8 (August 19, 2022): 1613. http://dx.doi.org/10.3390/antiox11081613.

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Alterations of redox homeostasis leads to a condition of resilience known as hormesis that is due to the activation of redox-sensitive pathways stimulating cell proliferation, growth, differentiation, and angiogenesis. Instead, supraphysiological production of reactive oxygen species (ROS) exceeds antioxidant defence and leads to oxidative distress. This condition induces damage to biomolecules and is responsible or co-responsible for the onset of several chronic pathologies. Thus, a dietary antioxidant supplementation has been proposed in order to prevent aging, cardiovascular and degenerative diseases as well as carcinogenesis. However, this approach has failed to demonstrate efficacy, often leading to harmful side effects, in particular in patients affected by cancer. In this latter case, an approach based on endogenous antioxidant depletion, leading to ROS overproduction, has shown an interesting potential for enhancing susceptibility of patients to anticancer therapies. Therefore, a deep investigation of molecular pathways involved in redox balance is crucial in order to identify new molecular targets useful for the development of more effective therapeutic approaches. The review herein provides an overview of the pathophysiological role of ROS and focuses the attention on positive and negative aspects of antioxidant modulation with the intent to find new insights for a successful clinical application.

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Deroo, Heleen, Masuda Akter, Orly Mendoza, Pascal Boeckx, and Steven Sleutel. "Control of paddy soil redox condition on gross and net ammonium fixation and defixation." Geoderma 400 (October 2021): 115151. http://dx.doi.org/10.1016/j.geoderma.2021.115151.

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SHIMADA, Ryo, Masamichi UCHIYAMA, Kengo SUZUKI, Yutaka TABE, and Takemi CHIKAHISA. "C131 Effect of Electrolyte Flow Condition on Charge-Discharge Efficiency in Redox Flow Battery." Proceedings of the National Symposium on Power and Energy Systems 2015.20 (2015): 75–76. http://dx.doi.org/10.1299/jsmepes.2015.20.75.

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Journal articles on the topic 'Redox condition'

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