Academic literature on the topic 'Redox profile'

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Journal articles on the topic "Redox profile"

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Al Khirbash, Salah, and Khadija Semhi. "Mobilization and Redistribution of Elements in Laterites of Semail Ophiolite, Oman: A Mass Balance Study." Sultan Qaboos University Journal for Science [SQUJS] 20, no. 1 (2015): 39. http://dx.doi.org/10.24200/squjs.vol20iss1pp39-54.

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Several samples of laterites were collected from four paleosol profiles, Ibra, East Ibra, Al-Russayl, and Tiwi representing the vertical lithological variation within each profile. The mineralogical and geochemical composition of laterites in every section revealed differences in thickness and redistribution of elements reflecting different conditions of weathering processes. Elemental mass balance was calculated for every profile relative to the parent rock. The results indicated redistribution of elements from the surface to deeper zones with an enrichment of elements in the saprolite and ox
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Flank, A. M., P. Lagarde, J. Jupille, and H. Montigaud. "Redox profile of the glass surface." Journal of Non-Crystalline Solids 357, no. 16-17 (2011): 3200–3206. http://dx.doi.org/10.1016/j.jnoncrysol.2011.03.046.

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Kitagawa, K., S. Itoh, N. Arai, and Ashwani K. Gupta. "Profiling of Redox Atmosphere in Flames by Chemical Seeding/Planar Laser-Induced Fluorescence (CS/PLIF)." Journal of Engineering for Gas Turbines and Power 128, no. 4 (2005): 765–72. http://dx.doi.org/10.1115/1.2179078.

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Knowledge on the local value of reducing and oxidizing (redox) atmospheres in flames is among the most important issues to be desired by combustion engineers. In this study, the spatial distribution of a redox atmosphere in flames has been measured experimentally by the chemical seeding/laser-induced fluorescence (CS/LIF) technique. A solution of iron was sprayed into a premixed propane-air flame supported on a slot burner. The LIF intensity of FeO band was compared to that of a Fe line to estimate the experimentally determined degree of atomization in the reaction FeO→Fe+O. The flame temperat
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Jayalakshmi, V., and R. Ramaswamy. "Influence of working electrodes in Belousov–Zhabotinsky oscillatory system." Canadian Journal of Chemistry 75, no. 5 (1997): 547–58. http://dx.doi.org/10.1139/v97-065.

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The potential oscillatory profiles recorded simultaneously in the same B–Z system using platinum, glassy carbon, and graphite electrodes are different in their characteristics. The variance in the amplitude and potential range is a result of the difference in the potential response of the electrode to the different redox couples. The results obtained by employing cyanoacetic acid, syringic acid, malonic acid, citric acid, methylacetoacetate, or vanillin as the substrate and Ce(III), Mn(II), or Ferroin as the catalyst are presented. The response of the working electrode to the various redox cou
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Nabanita, Banik, Dey Nivedita, and Bhattacharjee Soumen. "Salinity induced redox metabolic shift influence hormonal profile and germination performance of two contrasting indica rice cultivars." Annals of Systems Biology 5, no. 1 (2022): 001–7. http://dx.doi.org/10.17352/asb.000016.

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The role of redox deviations under salinity on metabolic dysfunction associated with progression of seed germination is well documented. However, the correlative evaluation of the salinity induced changes in the redox system and hormonal profile in regulating germination are least studied and hence is the subject of present investigation. Imposition of post imbibitional salinity stress (PISS) to two contrasting rice genotypes differing in sensitivity towards salinity (Oryza sativa L., Cultivars Patnai and IR29) caused differential and significant redox-metabolic shift and germination performan
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Veskoukis, Aristidis S., Periklis Vardakas, and Dimitrios Kouretas. "The Significance of Redox Biomarkers in the Evaluation of the Antioxidant Profile In Vitro and In Vivo." Antioxidants 10, no. 5 (2021): 805. http://dx.doi.org/10.3390/antiox10050805.

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The present Special Issue of Antioxidants, entitled The Significance of Redox Biomarkers in the Evaluation of the Antioxidant Profile In Vitro and In Vivo, ten research articles emphasize the significance of adopting reliable redox biomarkers to determine the antioxidant activities of bioactive compounds in vitro and to assess blood and tissue redox status in vivo [...]
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Thirupathi, Anand, Yaodong Gu, Zsolt Radak, and Ricardo A. Pinho. "Redox Status Is the Mainstay of SARS-CoV-2 and Host for Producing Therapeutic Opportunities." Antioxidants 11, no. 10 (2022): 2061. http://dx.doi.org/10.3390/antiox11102061.

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Over hundreds of years, humans have faced multiple pandemics and have overcome many of them with scientific advancements. However, the recent coronavirus disease (COVID-19) has challenged the physical, mental, and socioeconomic aspects of human life, which has introduced a general sense of uncertainty among everyone. Although several risk profiles, such as the severity of the disease, infection rate, and treatment strategy, have been investigated, new variants from different parts of the world put humans at risk and require multiple strategies simultaneously to control the spread. Understandin
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Jesus, Ezineide de, Lucélia Rosa da Cruz, Isabelle Lopes Silva, et al. "CLINICAL, DIETARY, AND REDOX PROFILE IN A SAMPLE OF INDIVIDUALS FROM SINOP/MT." Revista Contemporânea 4, no. 6 (2024): e4841. http://dx.doi.org/10.56083/rcv4n6-179.

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Clinical and experimental evidence show that there is a relationship between obesity, dietary profile, and redox status. This study aimed to assess the clinical and dietary profile, and redox status of a sample of individuals from Sinop/MT. Thus, we designed a descriptive cross-sectional study involving a convenience sample of Brazilian adult participants of both genders. The study was conducted at a Basic Health Unit in the city of Sinop/MT. Participants were divided according to the body mass index (BMI) into eutrophic (n=5) and overweight (n=12) groups. Clinical parameters, metabolic and in
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Pérez, Salvador, and Sergio Rius-Pérez. "Macrophage Polarization and Reprogramming in Acute Inflammation: A Redox Perspective." Antioxidants 11, no. 7 (2022): 1394. http://dx.doi.org/10.3390/antiox11071394.

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Macrophage polarization refers to the process by which macrophages can produce two distinct functional phenotypes: M1 or M2. The balance between both strongly affects the progression of inflammatory disorders. Here, we review how redox signals regulate macrophage polarization and reprogramming during acute inflammation. In M1, macrophages augment NADPH oxidase isoform 2 (NOX2), inducible nitric oxide synthase (iNOS), synaptotagmin-binding cytoplasmic RNA interacting protein (SYNCRIP), and tumor necrosis factor receptor-associated factor 6 increase oxygen and nitrogen reactive species, which tr
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Wang, Jihuan, Heye R. Bogena, Harry Vereecken, and Nicolas Brüggemann. "Stable-Isotope-Aided Investigation of the Effect of Redox Potential on Nitrous Oxide Emissions as Affected by Water Status and N Fertilization." Water 12, no. 10 (2020): 2918. http://dx.doi.org/10.3390/w12102918.

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Soils are the dominant source of atmospheric nitrous oxide (N2O), especially agricultural soils that experience both waterlogging and intensive nitrogen fertilization. However, soil heterogeneity and the irregular occurrence of hydrological events hamper the prediction of the temporal and spatial dynamics of N2O production and transport in soils. Because soil moisture influences soil redox potential, and as soil N cycling processes are redox-sensitive, redox potential measurements could help us to better understand and predict soil N cycling and N2O emissions. Despite its importance, only a fe
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Dissertations / Theses on the topic "Redox profile"

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Paulech, Jana. "Development of Redox Proteomic Techniques to Profile Cysteine Post-translational Modifications in the Myocardium." Thesis, The University of Sydney, 2014. http://hdl.handle.net/2123/12006.

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Once thought to be an unfortunate consequence of aerobic life, the generation of reactive oxygen and nitrogen species (ROS / RNS) is now known to be integral to the proper functioning of the cell. Cysteine (Cys) residues in proteins show all the necessary properties to act as a sensor / responder to redox signals. The potential role for Cys residues in both the physiological function and pathological dysfunction of the cell has lead to much interest in the identification of target proteins / cellular processes and sites regulated by Cys post-translational modification (PTM). Progress in this a
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Masters, Sheldon. "Lead and Copper Contamination in Potable Water: Impacts of Redox Gradients, Water Age, Water Main Pipe Materials and Temperature." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/73338.

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Potable water can become contaminated with lead and copper due to the corrosion of pipes, faucets, and fixtures. The US Environmental Protection Agency Lead and Copper Rule (LCR) is intended to target sampling at high-risk sites to help protect public health by minimizing lead and copper levels in drinking water. The LCR is currently under revision with a goal of better crafting sampling protocols to protect public health. This study examined an array of factors that determine the location and timing of "high-risk" in the context of sampling site selection and consumer health risks. This was d
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Zawadzki, Andressa de. "Improving meat quality through cattle feed enriched with mate extract: an integrated approach of the metabolic profile and redox chemistry of meat." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/75/75133/tde-07022018-105415/.

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O uso de extrato de plantas na suplementação tem sido considerado uma potencial alternativa para melhorar a estabilidade redox da carne. Alguns compostos bioativos presentes nos extratos de plantas atuam como antioxidantes e podem melhorar a saúde e o bem estar do animal e proteger a carne da oxidação. Propriedades farmacológicas e efeitos antioxidantes têm sido demonstrados em extratos de lúpulo e erva mate. Porém, os efeitos do uso de extrato de lúpulo e de erva mate como suplemento em dieta animal no perfil metabólico e na estabilidade redox da carne ainda não foram reportados. A adição de
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Trajano, Larissa Alexsandra da Silva Neto. "Influência do desequilíbrio redox e resposta inflamatória na fibrose pulmonar associada a estímulo inflamatório prévio." Universidade do Estado do Rio de Janeiro, 2013. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=6791.

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Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro<br>A fibrose pulmonar é uma doença pulmonar crônica caracterizada pelo acúmulo excessivo de matriz extracelular (MEC) e um remodelamento na arquitetura pulmonar. Embora já se saiba da participação do estresse oxidativo e da inflamação na fibrose de forma isolada, é importante observar como se comporta o estresse oxidativo na fibrose quando esta ocorre associada a uma doença de base. O presente estudo teve como objetivo investigar o perfil inflamatório e oxidativo na fibrose pulmonar associado ao enfisema pulmonar prévio. Camundongos C57
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Lo, Presti Caroline. "Reprogrammation métabolique dans les leucémies aigues myéloblastiques (LAM) : Impact clinique et mécanismes oncogéniques De novo adult acute myeloid leukemia patients display at diagnosis functional deregulation of redox balance correlated with molecular subtypes and overall survival." Thesis, Université Grenoble Alpes, 2020. http://www.theses.fr/2020GRALV017.

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Le métabolisme des cellules cancéreuses est fortement perturbé et dérégulé dans les cancers. Plusieurs exemples illustrent ce phénomène, notamment la reprogrammation métabolique décrite dans l’effet Warburg, les dérégulations fonctionnelles de certaines voies métaboliques telles que l’augmentation de la production de ROS dans les cellules cancéreuses, ou la mise en évidence d’oncométabolites liés à des mutations acquises telles que les mutations IDH1/2 qui entraînent la production d’un métabolite directement associé au processus leucémique dans les LAM. Afin de caractériser les reprogrammation
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McHugh, Maureen. "Moisture regimes, redoz/podzolic characteristics and profile morphology of stagnopodzols, stagnohumic gley soils and their reclaimed counterparts on Exmoor." Thesis, University of Exeter, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.253518.

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Frohne, Tina [Verfasser]. "Mobilization of metals as influenced by redox potential in slurries of floodplain soil material and biogeochemical fractionation of mercury in floodplain soil profiles / Tina Frohne." Wuppertal : Universitätsbibliothek Wuppertal, 2014. http://d-nb.info/1054199906/34.

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Correia, Maria João Andrade. "S-thiolated protein profile to assess the redox-modulation effects of antiretroviral drugs." Master's thesis, 2016. http://hdl.handle.net/10362/19719.

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Efavirenz (EFV) is an anti-HIV drug that has been associated to neurotoxicity. The 8-hydroxy-efavirenz metabolite has been described as the responsible for its long-term neurotoxic effects. Upon bioactivation this metabolite is able to generate electrophilic species, forming protein adducts and eliciting oxidative stress. S-thiolation of proteins (e.g. S-glutathionylation) has been suggested as a mechanism of protein regulation by the redox status. The present study is aimed to investigate if S-thiolated proteins plasma profile (RSSP) is associated with EFV-neurotoxicity. The RSSP was assesse
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Lima, Ana Patrícia Rego. "Plasma aminothiol profile and some of its determinants in subjects from the Azores Archipelago, Portugal." Master's thesis, 2011. http://hdl.handle.net/10400.3/1153.

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Dissertação de Mestrado em Ciências Biomédicas<br>Comparados com Portugal Continental, os Açores possuem as mais altas taxas de mortalidade padronizadas por doenças cardiovasculares (CVD), cuja principal causa é a aterosclerose. Geralmente, os sintomas só surgem em fases avançadas da doença, havendo necessidade de encontrar marcadores precoces e não invasivos. Os aminotióis, tais como a homocisteína (Hcy), a cisteína (Cys), a cisteinil-glicina (Cys-Gly) e o glutationo (GSH) são componentes intra e extracelulares fundamentais que servem numerosas funções no metabolismo e na homeostase, particul
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Book chapters on the topic "Redox profile"

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Sies, Helmut. "Role of the Cellular Hydrogen Peroxide Landscape Profile in Redox Signaling." In Peroxiporins. CRC Press, 2023. http://dx.doi.org/10.1201/9781003160649-1.

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Harris, Craig, and Jason M. Hansen. "Oxidative Stress, Thiols, and Redox Profiles." In Methods in Molecular Biology. Humana Press, 2012. http://dx.doi.org/10.1007/978-1-61779-867-2_21.

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Wu, Hongmin, and Xiancai Zhong. "Nrf2 as a therapy target for Th17-dependent autoimmune disease." In The Role of NRF2 Transcription Factor [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1005037.

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Th17 cells are a subset of IL-17-expressing CD4+ T helper cells and play a predominant role in the pathogenesis of autoimmune diseases such as multiple sclerosis and psoriasis. Th17 cells sustain their activation and effector functions primarily through a metabolic profile characterized by high glycolytic and oxidative metabolism. Both glycolysis and OXPHOs can affect cellular redox status, and vice versa. Nrf2, a master regulator of redox homeostasis, plays a pivotal role in oxidative stress regulation and influences immune cell function. This chapter summarizes the recent advances in the und
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Gorinchoy, Natalia, Iolanta Balan, Mikhail Gorbachev, et al. "Pseudo Jahn-Teller Effect in Transition States of Redox Processes." In Fundamental and Biomedical Aspects of Redox Processes. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-7198-2.ch004.

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The authors show that the instability of the transition (activated) states of chemical reactions are due to the vibronic coupling of the ground electronic state with the appropriate low-lying excited states, resulting in the pseudo Jahn-Teller effect (PJTE). In application to reactions relevant to environmental problems, the PJTE origin of their activation barrier is illustrated by several examples, including the proton transfer in deprotonated H3O2- and protonated H5O2+(H2O)4 water clusters and in a number of proton-bound dimers. The results can serve as a general parametrized analytical mode
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Achhelal Yadav, Ms Bijal, Mr Akshat Sunil Jain, Mr Abhiram Rajesh Patil, and Ms Somya Rajesh Singh. "VERICIGUAT: A MIRACULOUS THERAPEUTIC AGENT FOR HEART FAILURE." In Futuristic Trends in Medical Sciences Volume 3 Book 13. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bdms13p2ch7.

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The NO-soluble guanylate cyclase (sGC)-cyclic guanosine monophosphate (cGMP) pathway regulates cardiovascular function and is disturbed in heart failure (HF), resulting in diminished protection against myocardial damage. In HF, impaired NO-sGC-cGMP signalling is caused by decreased NO bioavailability and an altered redox state of sGC, which makes it less sensitive to NO. Cinaciguat, a sGC activator, raises cGMP levels by direct NO-independent sGC activation and may be especially beneficial under settings of increased oxidative stress and endothelial dysfunction, and therefore lower NO levels,
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Carneiro, Tulio Oliveira, Robson Silva Araujo Orso, Ligia Fogolin Gargioni, et al. "Systematized review study on biochemical biomarkers of overtraining." In A LOOK AT DEVELOPMENT. Seven Editora, 2023. http://dx.doi.org/10.56238/alookdevelopv1-018.

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In sports, the demand for victory increasingly places the professional athlete face to face with the incessant search for both physical, tactical, and strategic performance, since these factors are fundamental to obtaining a victory. However, overtraining can lead to disorders that are harmful to the athlete's health. Objective: systematized review on biochemical biomarkers of overtraining. The PRISMA Checklist was used for development and the PICO strategy for data extraction. Inclusion criteria were articles with primary data published in the last 10 years, in Portuguese, English and Spanish
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Panda, Soumyanti, K. S. Shalini Devi, and Jai Prakash. "Working Principles of Different Electrochemical Techniques Involved in Detection of Neurotransmitters." In Future Approaches to Electrochemical Sensing of Neurotransmitters. Royal Society of Chemistry, 2025. https://doi.org/10.1039/9781837675593-00020.

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Accurate detection and quantification of neurotransmitters is essential for understanding the complexities of neurochemical signaling and its implications in neurological disorders. Electrochemical techniques have gained prominence due to their high sensitivity, quick response times, and potential for miniaturization. This chapter explores various electrochemical methods used in neurotransmitter detection, including amperometry, voltammetry, electrochemical impedance spectroscopy, and others. Amperometry provides high temporal resolution, making it ideal for real-time monitoring of neurotransm
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Navaratnarajah, Manoraj, Amit Modi, and Sunil Ohri. "Valve-in-Valve Transcatheter Aortic Valve Replacement: Challenges for Now and the Future." In Cardiology and Cardiovascular Medicine. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.112764.

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The recent years have seen a huge expansion in the number of bioprostheses implanted, and this number is likely to increase further in the future. This is likely to lead to a pandemic of patients requiring reoperation/re-intervention for structural deterioration of the valve. Valve-in-valve transcatheter aortic valve replacement (ViV-TAVR) has become a safe and effective alternative to redo aortic valve surgery and has gained approval for use in high-risk patients with prohibitive operative risk. ViV-TAVR is a complex procedure requiring rigorous planning, technical expertise and patient anato
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Cohen, Andrew S. "Geochemical Archives in Lake Deposits." In Paleolimnology. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195133530.003.0013.

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As we saw in chapter 4, the isotopic, elemental, or molecular constituents of a lake and its sediments reflect both external chemical inputs and the lake’s internal biogeochemical cycles. Lake sediment geochemistry is the product of interactions between these external inputs from watershed geology, groundwater, vegetation, and the airshed, and internal lake processes. Both external and internal inputs are heavily influenced by climate, and for the past few thousand years, human activities. With careful consideration of the various information filters affecting their records, geochemists can gr
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Conference papers on the topic "Redox profile"

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Jovancicevic, V., Y. S. Ahn, J. Dougherty, and B. Alink. "CO2 Corrosion Inhibition by Sulfur-Containing Organic Compounds." In CORROSION 2000. NACE International, 2000. https://doi.org/10.5006/c2000-00007.

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Abstract Corrosion inhibition of mild steel in CO2 environments by sulfur-containing compounds was studied using various laboratory performance test methods, inhibitor residual analysis techniques and a surface imaging technique. Corrosion rate-time/concentration profiles were obtained for several commercially available sulfur-containing inhibitors together with a proprietary thio compound. The role of chelation and redox chemistry of these inhibitors in corrosion inhibition is discussed in terms of the structure-activity relationship. A number of formulated products with sulfur-containing com
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Schmitt, G., C. Bosch, H. Bauer, and M. Mueller. "Modelling the Drag Reducing Effect of CO2 Corrosion Inhibitors." In CORROSION 2000. NACE International, 2000. https://doi.org/10.5006/c2000-00002.

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Abstract The drag reducing effect of corrosion inhibitors was measured at a microelectrode array incorporated flush into a surface impinged with a submerged jet. The measurements were performed under mass transport control with the hexacyanoferrate(II)/(III) redox system. N-(2-methylenenaphthyl)-quinolinium bromide (MNQB) yielded a drag reducing factor of 0.5 at concentrations of 0.5 mM, and trimethylammonium chlorides with C12-18 chain yield factors of 0.2 above their critical micelle concentration. Critical inhibitor concentrations from electrochemical measurements match very well with resul
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Nemeikaitė-Čėnienė, Aušra, Dalius Kučiauskas, and Narimantas Čėnas. "Redox proteomic profile of tirapazamine-resistant hepatoma cell line." In RAD Conference. RAD Centre, 2022. http://dx.doi.org/10.21175/rad.spr.abstr.book.2022.1.4.

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Rafikova, O., M. Zemskova, M. Vasilyev, A. A. Desai, and R. Rafikov. "Redox Regulation of Cytokine Profile in Male and Female Patients with Pulmonary Arterial Hypertension." In American Thoracic Society 2020 International Conference, May 15-20, 2020 - Philadelphia, PA. American Thoracic Society, 2020. http://dx.doi.org/10.1164/ajrccm-conference.2020.201.1_meetingabstracts.a3828.

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Shvartseva, Olga. "GEOCHEMICAL CHARACTERISTICS OF DEPTH PROFILE FROM THE HIGHMOOR PEAT (WESTERN SIBERIA, RUSSIA)." In 22nd International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022v/3.2/s14.41.

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We investigated the changes in element content and distribution in peat profile in a study aimed to monitor the geochemical changes accruing in the process of peat accumulation. Changes in the chemical composition of peat ash and underlying sediments have been studied in the central part of the Ubinskoye bog in the foreststeppe zone of Western Siberia. Two parallel peat cores were sampled to a depth of 310 cm. The upper peat layers are characterized by oxidative environment and increased concentrations of elements with variable valence. In addition, high levels of chalcophilic elements have be
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Ravagnani, Felipe, Hellen Valerio, Jersey Maués, et al. "Omics profile of iPSC-derived astrocytes from Progressive Supranuclear Palsy (PSP) patients." In XIV Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2023. http://dx.doi.org/10.5327/1516-3180.141s1.414.

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Progressive Supranuclear Palsy (PSP) is a neurodegenerative tauopathy and, to date, the pathophysiological mechanisms in PSP that lead to Tau hyperphosphorylation and neurodegeneration are not clear. The development of a model using neural cell lines derived from patients has the potential to identify molecules and possible biomarkers. We developed a model of induced pluripotent stem cells iPSC-derived astrocytes to investigate the pathophysiology of PSP, particularly early events that might contribute to Tau hyperphosphorylation, applying an omics approach to detect differentially expressed g
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Zimovets, Alina, Alina Zimovets, Yury Fedorov, et al. "THE REGULARITY OF HEAVY METALS DISTRIBUTION AND BEHAVIOR IN THE BOTTOM SEDIMENTS ON THE PROFILE “NORTHERN DVINA RIVER – WHITE SEA”." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b93c8b57a02.64869435.

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A study was conducted to investigate the level of heavy metals in bottom sediments of the Northern Dvina mouth area and the White Sea in various seasons since 2004. Of greatest interest for the study was presented as such heavy metals as Hg, Pb, Cd, Cu, Ni, Zn, Cr, which belong to the priority group of toxic elements. The heavy metals concentrations were determined with atomic absorption spectrometer. Also the grain-size composition, concentrations of organic carbon and values of hydrogen ion exponent (pH) and redox potential (Eh) in bottom sediments were determined. It was found that the leve
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Zimovets, Alina, Alina Zimovets, Yury Fedorov, et al. "THE REGULARITY OF HEAVY METALS DISTRIBUTION AND BEHAVIOR IN THE BOTTOM SEDIMENTS ON THE PROFILE “NORTHERN DVINA RIVER – WHITE SEA”." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b431771359a.

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A study was conducted to investigate the level of heavy metals in bottom sediments of the Northern Dvina mouth area and the White Sea in various seasons since 2004. Of greatest interest for the study was presented as such heavy metals as Hg, Pb, Cd, Cu, Ni, Zn, Cr, which belong to the priority group of toxic elements. The heavy metals concentrations were determined with atomic absorption spectrometer. Also the grain-size composition, concentrations of organic carbon and values of hydrogen ion exponent (pH) and redox potential (Eh) in bottom sediments were determined. It was found that the leve
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Hasan, Md Mahmudul, and Faiz Rahman. "Aqueous Wet Etching of Silicon With Alkali Metal Hydroxides." In ASME 2024 19th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/msec2024-131691.

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Abstract Silicon etching is a process that is regularly employed in the semiconductor industry for many applications ranging from micromachining on the sub-millimeter scale to intricate pattern formation in tens of nanometer regime. Wet etching is used for bulk silicon removal. Such etching processes, generally, involve multiple chemical reactions where a liquid solution of etching agents removes surface atoms of silicon through chemical or electrochemical redox reactions at the substrate-etchant interface. Many wet etching processes are anisotropic, and thus the wet etching of silicon with hy
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Chaiswing, Luksana, Weixiong Zhong, and Terry D. Oberley. "Abstract 2072: Distinct antioxidant profiles of human prostate carcinoma cell lines and tissues: Implications for rational design of redox therapy." In Proceedings: AACR 103rd Annual Meeting 2012‐‐ Mar 31‐Apr 4, 2012; Chicago, IL. American Association for Cancer Research, 2012. http://dx.doi.org/10.1158/1538-7445.am2012-2072.

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Reports on the topic "Redox profile"

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Simandl, G. J., R. J. D'Souza, S. Paradis, and J. Spence. Rare-earth element content of carbonate minerals in sediment-hosted Pb-Zn deposits, southern Canadian Rocky Mountains. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/328001.

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Paleozoic platform carbonate rocks of the Rocky Mountains host Mississippi Valley-type (MVT), magnesite, barite, and REE-barite-fluorite deposits. Farther west, platform carbonate rocks of the Kootenay Arc host MVT and fracture-controlled replacement (FCR) deposits. This is the first systematic LA-ICP-MS study of carbonates in MVT and FCR deposits. We investigated seven MVT deposits in the Rocky Mountains, and five MVT deposits in the Kootenay Arc. None of the post-Archean Australian shale (PAAS)-normalized REE profiles show light REE (LREE) depletion and strong negative Ce anomalies character
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Banin, Amos, Joseph Stucki, and Joel Kostka. Redox Processes in Soils Irrigated with Reclaimed Sewage Effluents: Field Cycles and Basic Mechanism. United States Department of Agriculture, 2004. http://dx.doi.org/10.32747/2004.7695870.bard.

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The overall objectives of the project were: (a) To measure and study in situ the effect of irrigation with reclaimed sewage effluents on redox processes and related chemical dynamics in soil profiles of agricultural fields. (b) To study under controlled conditions the kinetics and equilibrium states of selected processes that affect redox conditions in field soils or that are effected by them. Specifically, these include the effects on heavy metals sorption and desorption, and the effect on pesticide degradation. On the basis of the initial results from the field study, increased effort was de
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Delwiche, Michael, Boaz Zion, Robert BonDurant, Judith Rishpon, Ephraim Maltz, and Miriam Rosenberg. Biosensors for On-Line Measurement of Reproductive Hormones and Milk Proteins to Improve Dairy Herd Management. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7573998.bard.

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The original objectives of this research project were to: (1) develop immunoassays, photometric sensors, and electrochemical sensors for real-time measurement of progesterone and estradiol in milk, (2) develop biosensors for measurement of caseins in milk, and (3) integrate and adapt these sensor technologies to create an automated electronic sensing system for operation in dairy parlors during milking. The overall direction of research was not changed, although the work was expanded to include other milk components such as urea and lactose. A second generation biosensor for on-line measuremen
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