Academic literature on the topic 'Titration redox'
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Journal articles on the topic "Titration redox"
FERNANDEZ-MAESTRE, Roberto. "THE IMPORTANCE OF TEACHING TITRATION CURVES IN ANALYTICAL CHEMISTRY." Periódico Tchê Química 17, no. 34 (March 20, 2020): 213–19. http://dx.doi.org/10.52571/ptq.v17.n34.2020.230_p34_pgs_213_219.pdf.
Full textMeija, Juris, Anna Maria Michałowska-Kaczmarczyk, and Tadeusz Michałowski. "Redox titration challenge." Analytical and Bioanalytical Chemistry 409, no. 1 (December 31, 2016): 11–13. http://dx.doi.org/10.1007/s00216-016-0020-0.
Full textMichałowski, Tadeusz, Anna Maria Michałowska-Kaczmarczyk, and Juris Meija. "Solution to redox titration challenge." Analytical and Bioanalytical Chemistry 409, no. 17 (June 13, 2017): 4113–15. http://dx.doi.org/10.1007/s00216-017-0308-8.
Full textUllmann, G. Matthias, and Elisa Bombarda. "pKa values and redox potentials of proteins. What do they mean?" Biological Chemistry 394, no. 5 (May 1, 2013): 611–19. http://dx.doi.org/10.1515/hsz-2012-0329.
Full textHuang, Tzu-Yang, Matthew J. Crafton, Yuan Yue, Wei Tong, and Bryan D. McCloskey. "Deconvolution of intermixed redox processes in Ni-based cation-disordered Li-excess cathodes." Energy & Environmental Science 14, no. 3 (2021): 1553–62. http://dx.doi.org/10.1039/d0ee03526b.
Full textMichalowski, Tadeusz, and Andrzej Lesiak. "Acid-Base Titration Curves in Disproportionating Redox Systems." Journal of Chemical Education 71, no. 8 (August 1994): 632. http://dx.doi.org/10.1021/ed071p632.
Full textMOSS, DAVID A., and DEREK S. BENDALL. "Redox titration of the slow ΔA518 in chloroplasts." Biochemical Society Transactions 14, no. 1 (February 1, 1986): 57–58. http://dx.doi.org/10.1042/bst0140057a.
Full textMichałowska-Kaczmarczyk, Anna M., Maciej Rymanowski, Agustin G. Asuero, Marcin Toporek, and Tadeusz Michałowski. "Formulation of Titration Curves for Some Redox Systems." American Journal of Analytical Chemistry 05, no. 13 (2014): 861–78. http://dx.doi.org/10.4236/ajac.2014.513095.
Full textde Levie, Robert. "A simple expression for the redox titration curve." Journal of Electroanalytical Chemistry 323, no. 1-2 (January 1992): 347–55. http://dx.doi.org/10.1016/0022-0728(92)80022-v.
Full textXiaobo, Sun, and Wang Jinping. "Application of Origin Software to Redox Titration Curve Plotting." University Chemistry 30, no. 4 (2015): 78–85. http://dx.doi.org/10.3866/pku.dxhx20150478.
Full textDissertations / Theses on the topic "Titration redox"
Relli-Dempsey, Vincent M. T. Relli-Dempsey. "A Thermometric Titration Study of Acetaminophen and Sodium Hypochlorite." Ohio Dominican University Honors Theses / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=oduhonors152621864170557.
Full textBergdoll, Lucie. "Purification et caractérisation d'un super-complexe respiratoire." Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066310/document.
Full textBioenergetic membranes present a high protein density - a crucial factor for their organizationinto super-complexes. This project uses the thermophilic bacteria Geobacillus stearothermophilusas a model to study the formation of membrane protein super-complexes with the aim of structuralstudies. We purified and characterized a super-complex between a menaquinone : cytochromec oxidoreductase (b6c), a cytochrome c550, and a cytochrome c oxidase caa3. Using both opticaland EPR spectroscopy methods, we performed the redox titrations of most of the redox cofactorsof the super-complex. Thus, these results enable a new understanding of menaquinone-usingelectron transport chains, showing that quinones’ redox potential determines the redox potentialof the cytochrome b6c’s cofactors. The conclusions differ from previous partial data, althoughthey fit perfectly with Peter Mitchell’s model of the Q-cycle. These unexpected redox potentialsimpact bioenergetic yields at different levels of the electron transfer chain
Dragin, Fabienne Christelle. "Structure et propriétés électroniques de nanotubes de carbone en solution polyélectrolyte." Montpellier 2, 2008. http://www.theses.fr/2008MON20189.
Full textLai-Thi, Thanh-Lan. "Propriétés physico-chimiques et structurales de deux hémoprotéines de cyanobactérie thermophile." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112187/document.
Full textPhotosynthesis converts solar energy into chemical energy. This process involves a large number of proteins and protein complexes. The first protein complex in the photosynthetic chain is Photosystem II within the oxidation of water takes place. PSII is composed of the D1 and D2 proteins. In the thermophile cyanobacterium Thermosynechococcus elongatus, three genes encoded three different D1 proteins. The first part of this thesis describes the development of proteomics tools based on 2D gel-electrophoresis to study the proteome of three different variants, each expressing a single different D1 protein. Very few differences were found. However, only one expressed the protein Tll0287. The second part of the thesis describes the characterization of Tll0287. It was characterized using different techniques: electronic absorption and Raman resonance spectroscopies and spectro-electrochemistry. Tll0287 has been previously identified as a c-type cytochrome, but it presents some unexpected characteristics. The UV-visible absorption and Raman resonance spectra of reduced Tll0287 show a pH dependence. The reduced and oxidized states each had two different forms of the heme. A switch of ligands from a cysteine to histidine was observed in the reduced state. Redox titration showed multiple midpoints at pH 10 and 5. Tll0287 was shown to fix a CO molecule at pH 7.6. These physical properties suggested that Tll0287 could be a sensor. The crystallographic studies reveal that Tll0287 does not have a classical c-type cytochrome fold and is similar to other known sensor proteins, strengthening the hypothesis that it is a sensor. Deletion mutants were constructed that will help to better understand the function of this new cytochrome. The third part describes a study of the PsbV2, another c-type cytochrome. In order to obtain sufficient quantities to carry out characterization of this protein, it was overexpressed in a homologous system using the promotor of the rubisco enzyme. The redox midpoint potential of PsbV2 was found to be very low, below -460 mV (vs SHE, pH 5). The UV-visible absorption spectrum of the reduced form was determined. The crystallographic structure of PsbV2 was solved and reveals an axial cysteine ligand. Although both Tll0287 and PsbV2 share this feature, their different structures and physico-chemical properties suggest that their functions are unlikely to be similar. A major contribution of this thesis is the characterization of a new c-type cytochrome sensor in cyanobacteria and the development of proteomic tools required to study it
HUNG, YU-HSUN, and 洪鈺勛. "Study of Spectral Analysis and Redox Titration Applied in Vanadium Redox Flow Battery State-of-Charge Monitoring." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/42h975.
Full text國立聯合大學
能源工程學系碩士班
104
Vanadium redox flow battery (VRFB) is currently the most mature technology of MW-level electricity storage. In order for VRFB to play a vital function as energy storage in the power grid containing renewable energy, the battery SOC (state-of-charge) must be in-situ and accurately estimated. At present, the open circuit voltage of the electrolyte (OCV) is used to estimate the SOC. From theoretical calculation result, the battery SOC cannot be estimated by measuring battery OCV along. This project develops two analytical methods to assess the electrolyte SOC and to evaluate their technical feasibility. They are absorption spectroscopy and redox electrode potential titration. Two electrolytes, electrolyte 3.5 is purchased from commercial vendor and electrolyte 4.0 is lab-prepared electrolyte are used for this purpose. With the electrolyte at different SOC, we found that there are several major absorption peaks in the UV-VIS absorption spectrum. Using these peaks can determine the type and concentration of vanadium ions. For electrolyte 4.0, electrolyte sampled from positive electrode at SOC = 10% and SOC = 50%, major absorption peak at wavelength of 420 nm and 615 nm were observed. At SOC = 90%, peak wavelength of 765 nm was observed. Electrolyte sampled from the negative electrode at SOC = 10% and SOC = 50%, major peak at wavelength of 770 nm was observed. At SOC = 90%, at wavelength of 420 to 610 nm were observed. For electrolyte 3.5, sampled from the positive electrode at SOC = 10% SOC = 50%, peak at wavelength of 765 nm was observed. At SOC = 90%, no peak can be detected. Sampled from the negative electrode, at SOC = 10% SOC = 50%, peak at the wavelength of 410 nm and 770 nm were observed. At SOC = 90%, peak at the wavelength of 610 nm was observed. The wave length of major peak are shift due to the interaction among vanadium ions in the electrolyte. In addition, experiments found that vanadium ions in the positive electrode and in the negative electrode are crossover each other. Mathematical models can simulated the UV-Vis spectra at different SOC. However, spectra results at different SOC need the redox potentiometric titration result to enhance its accuracy. Redox potential titration analysis is tested with electrolyte containing pure V2+, V3+, VO2+ ions. The test results verify that the potentiometric titration can detect concentrations and types of various vanadium ions. Then this method is tested with electrolyte 3.5 and electrolytic 4.0 sampled from positive electrode and negative electrode at SOC = 10%, 50%, 90%, respectively. Tested results shown that experimental measurement is consisted with theoretical predictions. The battery SOC can be analyzed using the potentiometric titration techniques. The titration result also indicated that there is a crossover phenomenon between positive and negative electrolyte during battery charge and discharge. This is similar to the observed results of UV-Vis spectroscopy. Due to sampling problem, titration of electrolyte 3.5 has no specific conclusions. V2+ ion end point potential range is 118-309 mV vs. AgCl/Ag. V3+ ion end point potential range is 645-703 mV. VO2+ ion end point potential range is 865-941 mV. In the metal bipolar plate experiment, the baking of metal bipolar plate coated with conductive adhesive is carried out in high-temperature furnace to avoid air bubbles formation. The charge/discharge performance of battery with various conductive adhesive metal bipolar plates is less that we expected. The single cell volumetric power density reach 22 W dm-3 and charge-discharge efficiency of 69%.
Klingen, Astrid [Verfasser]. "Structure based theoretical characterisation of the redox dependent titration behaviour of cytochrome bc1 / vorgelegt von Astrid Klingen." 2007. http://d-nb.info/983252599/34.
Full textDragin, Fabienne Christelle. "Structure et propriétés électroniques de nanotubes de carbone en solution polyélectrolyte." Thèse, 2009. http://hdl.handle.net/1866/6559.
Full textHenriques, João Manuel Almeida. "Application of QM and MM methodologies to cytochrome c3: charge parametrization of the heme group for classic force fields." Master's thesis, 2010. http://hdl.handle.net/10451/5783.
Full textIn 2009, Machuqueiro and Baptista used Desulfovibrio vulgaris Hildenborough type I cytochrome c3 in the validation of their new implementation of the stochastic titration method, the constant-(pH,E) MD method. DvH-TpI-c3 is a small globular and monomeric tetraheme protein present in the periplasm of the sulfate reducing bacteria DvH. It is constituted by 107 residues plus four hemes covalently bound to cysteines in the polypeptide chain together with bis-histidinyl axial ligation. Therefore, it constitutes a tight densely packed structure where the heme reduction potentials are very close, making it a very demanding test case in terms of prediction. When tested, this method was shown to yield better results when a high dielectric constant, ", was assigned to the protein region. This dependence on " was never found in previous constant-pH MD simulations and poor heme charge parameterization may have been responsible for this effect. Hence, the main goal of this work was to refine the QM parameterization of the redox centers, i.e. obtain new and more accurate charge sets, incorporate them in the new 53A6 GROMOS force field, and finally run constant-(pH,E) MD simulations with a " of 2. Single and multi-conformational approaches were tested using the RESP scheme. Merz-Kollman and CHELPG methods were also used. All tested charge sets and respective charge parameterization methods were found to be valid, and there is not enough margin to unequivocally select one method as the absolute best. Still, the RESP fitting procedure is much more versatile than CHELPG and Merz-Kollman, making it a better suited tool for a generalized derivation of partial atomic charges. When applied to the constant-(pH,E) MD method, these new and more accurate charge sets, enabled us to improve Machuqueiro and Baptista's results. We were, however, unsuccessful in fully reproducing all experimental data. Theoretical and experimental results systematically disagreed when predicting the Ehalf values for hemes III and IV. The reason behind this incongruity is something we plan to investigate in future work.
Books on the topic "Titration redox"
Postma, James M., J. Leland Hollenberg, and Julian Roberts. Redox Titrations/The Oxidation Capacity: Separate from Chemistry in the Laboratory 5e. W. H. Freeman, 2000.
Find full textBook chapters on the topic "Titration redox"
Wörfel, P., M. Bitzer, U. Claus, H. Felber, M. Hübel, and B. Vollenweider. "Redox-Titration in nichtwässerigem Medium." In Laborpraxis, 117–21. Basel: Birkhäuser Basel, 1990. http://dx.doi.org/10.1007/978-3-0348-6162-5_8.
Full textAllemann. "Redox-Titration in nichtwässerigem Medium." In Analytische Methoden, 117–21. Basel: Birkhäuser Basel, 1988. http://dx.doi.org/10.1007/978-3-0348-5191-6_8.
Full textBonomi, Francesco, and Stefania Iametti. "Redox Titration of Flavoproteins: An Overview." In Methods in Molecular Biology, 119–33. New York, NY: Springer US, 2021. http://dx.doi.org/10.1007/978-1-0716-1286-6_8.
Full textBurgot, Jean-Louis. "A Study of Some Redox Titration Curves." In Ionic Equilibria in Analytical Chemistry, 285–312. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4419-8382-4_17.
Full textFritz, James S., and George H. Schenk. "Redox-Titrationen." In Quantitative Analytische Chemie, 334–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-61546-7_14.
Full textWörfel, P., M. Bitzer, U. Claus, H. Felber, M. Hübel, and B. Vollenweider. "Redox-Titrationen in wässerigem Medium." In Laborpraxis, 99–115. Basel: Birkhäuser Basel, 1990. http://dx.doi.org/10.1007/978-3-0348-6162-5_7.
Full textAllemann. "Redox-Titrationen in wässerigem Medium." In Analytische Methoden, 99–115. Basel: Birkhäuser Basel, 1988. http://dx.doi.org/10.1007/978-3-0348-5191-6_7.
Full textRitgen, Ulf. "Eine Kombination mit beachtlichem Potential: Redox-Titrationen." In Analytische Chemie I, 93–100. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-60495-3_7.
Full textFritz, James S., and George H. Schenk. "Die Theorie der Redox-Reaktionen und -Titrationen." In Quantitative Analytische Chemie, 303–33. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-61546-7_13.
Full textWagner, Clemens, and Dieter Walz. "Analysis of b-Cytochrome Titrations in Terms of Interacting Redox Couples." In Photosynthesis: from Light to Biosphere, 1759–62. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-009-0173-5_414.
Full textConference papers on the topic "Titration redox"
Rizki, Rohazmy, Habib Hernando, Manihar Situmorang, and Simson Tarigan. "The Development of Innovative Learning Material with Project and Multimedia for Redox Titration." In Proceedings of the 7th Mathematics, Science, and Computer Science Education International Seminar, MSCEIS 2019, 12 October 2019, Bandung, West Java, Indonesia. EAI, 2020. http://dx.doi.org/10.4108/eai.12-10-2019.2296376.
Full textAlekseev, Pavel N., and Alexander L. Shimkevich. "On Voltage-Sensitive Managing the Redox-Potential of MSR Fuel Composition." In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48176.
Full textReports on the topic "Titration redox"
Sopok, Samuel. Determination of Trivalent Chromium in Chromium Plating Solutions Using a Redox Titration and Indicator. Fort Belvoir, VA: Defense Technical Information Center, May 1992. http://dx.doi.org/10.21236/ada252857.
Full textSopok, Samuel. Determination of Chromic Acid in Chromium Plating Solutions Using a Redox Titration and Indicator. Fort Belvoir, VA: Defense Technical Information Center, August 1989. http://dx.doi.org/10.21236/ada220641.
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