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Relevant bibliographies by topics / Catechol oxidation kinetics

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Academic literature on the topic 'Catechol oxidation kinetics'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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Journal articles on the topic "Catechol oxidation kinetics"

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Saeidian, Shahriar. "Inhibition of Diphenol Oxidase Activity of Strawberry (Fragaria sp.) Using L-Cysteine and L-Glycine." International Letters of Chemistry, Physics and Astronomy 48 (March 2015): 194–202. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.48.194.

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L-glycine and L-cysteine exhibit, strong inhibition of partial purified DIPHENOL OXIDASE at strawberry. The concentration of L-glycine inhibiting Diphenol oxidase activity by 50% (IC50) was 0.5 and 0.4 mM at pH 6.7 and 8, respectively. The inhibition of partial purified Diphenol oxidase activity is pH and inhibitor dependent. Kinetic studies indicate that L-glycine is a uncompetetive inhibitor and L-cysteine is competitive and noncompetitive inhibitor of Diphenol oxidase activity. Vmax and Km for catechol oxidation at pH 6.7 and in presence of L-glycine (1.4M) was 0.09 ∆A min-1 and 10 mM. Vmax

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2

Jordan, R. B., and J. H. Xu. "Substitution and oxidation kinetics in substituted catechol - iron(III) systems." Pure and Applied Chemistry 60, no. 8 (1988): 1205–8. http://dx.doi.org/10.1351/pac198860081205.

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3

Lin, Qianqi, Qian Li, Christopher Batchelor-McAuley, and Richard G. Compton. "Two-Electron, Two-Proton Oxidation of Catechol: Kinetics and Apparent Catalysis." Journal of Physical Chemistry C 119, no. 3 (2015): 1489–95. http://dx.doi.org/10.1021/jp511414b.

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4

Abrha, Tadesse, Rishi Pal, and R. C. Saini. "A Study on Voltametric Electro-kinetic Mechanism of Catechol at l-glutamic Acid-Carbon Paste Sensor." Journal of Surface Science and Technology 33, no. 1-2 (2017): 1. http://dx.doi.org/10.18311/jsst/2017/6187.

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Quinones and quinoles, the pervasive components of living organism, perform different biochemical and physiological activities. These compounds have found their widespread applications as life saving drugs in cancer chemotherapy, antioxidant, anti bacterial and antifungal agents. These contribute as components of biological electron transfer chains located indifferent body parts. Electrochemical redox behavior of catechol using cyclic and differential pulse voltammetry at the surface of ℓ-glutamic acid modified carbon paste sensor was observed quite sensitive. There was a remarkable increase i

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Sun, Jianfei, Qiong Mei, Bo Wei, Long Huan, Ju Xie, and Maoxia He. "Mechanisms for ozone-initiated removal of biomass burning products from the atmosphere." Environmental Chemistry 15, no. 2 (2018): 83. http://dx.doi.org/10.1071/en17212.

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Environmental contextAn important product of biomass burning is catechol: its presence in the atmosphere can have adverse effects on health, and can lead to the formation of secondary organic aerosols. We report a theoretical study on the mechanisms and kinetics of removal of catechol from the atmosphere by reaction with ozone. These data will provide insight into the ozonolysis of other lignin compounds produced by biomass burning. AbstractWe examined the ozone-initiated oxidation of catechol, an intermediate of lignin pyrolysis in the atmosphere, by using the theoretical computational method

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Yue, P. L., and O. Legrini. "Photochemical Degradation of Organics in Water." Water Quality Research Journal 27, no. 1 (1992): 123–38. http://dx.doi.org/10.2166/wqrj.1992.007.

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Abstract Trichloroethylene, phenol, 4-cholorophenol, catechol and a pesticide were degraded by two advanced oxidation processes: photolytic oxidation with hydrogen peroxide, andphotolytic oxidation with ozone. The reactions were studied in a batch photoreactor with a low pressure mercury lamp as the radiation source. The variation of the concentration of total organic carbon with time was measured. For the organics studied, the reaction kinetics for the reduction of total organic carbon (TOC) were found to follow a power law. The exponent of the power law varies with the initial TOC concentrat

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7

Mutti, Francesco G., Roberta Pievo, Maila Sgobba, Michele Gullotti, and Laura Santagostini. "Biomimetic Modeling of Copper Complexes: A Study of Enantioselective Catalytic Oxidation onD-(+)-Catechin andL-(−)-Epicatechin with Copper Complexes." Bioinorganic Chemistry and Applications 2008 (2008): 1–9. http://dx.doi.org/10.1155/2008/762029.

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The biomimetic catalytic oxidations of the dinuclear and trinuclear copper(II) complexes versus two catechols, namely,D-(+)-catechin andL-(−)-epicatechin to give the corresponding quinones are reported. The unstable quinones were trapped by the nucleophilic reagent, 3-methyl-2-benzothiazolinone hydrazone (MBTH), and have been calculated the molar absorptivities of the different quinones. The catalytic efficiency is moderate, as inferred by kinetic constants, but the complexes exhibit significant enantio-differentiating ability towards the catechols, albeit for the dinuclear complexes, this ena

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Chen, Xiao, Yanling Zhang, Xuefei Zhou, et al. "Application of a Novel Semiconductor Catalyst, CT, in Degradation of Aromatic Pollutants in Wastewater: Phenol and Catechol." Journal of Nanomaterials 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/524141.

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Water-soluble phenol and phenolic compounds were generally removed via advanced oxidation processes. A novel semiconductor catalyst, CT, was the first-time employed in the present study to degrade phenol and catechol. The phenolic compounds (initial concentration of 88 mg L−1) were completely mineralized by the CT catalytic nanoparticles (1%) within 15 days, under acidic condition and with the presence of mild UV radiation (15 w, the emitted wavelength is 254 nm and the light intensity <26 μw/cm2). Under the same reaction condition, 1% TiO2(mixture of rutile and anatase, nanopowder, <100

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Hou, Baolin, Hongjun Han, Shengyong Jia, Haifeng Zhuang, Peng Xu, and Dexin Wang. "Heterogeneous electro-Fenton oxidation of catechol catalyzed by nano-Fe3O4: kinetics with the Fermi's equation." Journal of the Taiwan Institute of Chemical Engineers 56 (November 2015): 138–47. http://dx.doi.org/10.1016/j.jtice.2015.04.017.

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Samanta, Sumanta, Vignesh K. Rangasami, N. Arul Murugan, Vijay Singh Parihar, Oommen P. Varghese, and Oommen P. Oommen. "An unexpected role of an extra phenolic hydroxyl on the chemical reactivity and bioactivity of catechol or gallol modified hyaluronic acid hydrogels." Polymer Chemistry 12, no. 20 (2021): 2987–91. http://dx.doi.org/10.1039/d1py00013f.

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Gallic acid-functionalized materials possess superior tissue-adhesive, antioxidant, and immunomodulatory properties due to the lower pK<sub>a</sub> and faster oxidation kinetics, making them superior to dopamine derivatives for biomedical applications.

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Dissertations / Theses on the topic "Catechol oxidation kinetics"

1

Broadbridge, Simon Glenn. "A biomimetic approach to water-borne surface coatings." Thesis, University of Southampton, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243175.

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Tay, William Maung. "Metallopeptides as model systems for the study of Cu(ii)-dependent oxidation chemistry." [Tampa, Fla] : University of South Florida, 2008. http://purl.fcla.edu/usf/dc/et/SFE0002464.

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Cheng, Guan-hao, and 程冠豪. "Kinetic Studies of the Oxidations of Catechols by Pentaammineruthenium(Ⅲ) and Pentacyanoferrate(Ⅲ) Complexes." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/93715181990800957522.

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碩士<br>東海大學<br>化學系<br>97<br>The reactions of 4-methyl catechol and protocatechuic acid with Ru(NH3)5L3+( L= methylpyrazinium, pzCH3+；pyrazine, pz；isonicotinamide, isn ) and Fe(CN)5(py)2-( py= pyridine ) complexes proceed through an outer-sphere electron transfer mechanism. The rate of the reaction decreases with increasing [H+]. The kinetics of the oxidation suggests that the reaction process involves the rate determining one-electron oxidation of the catechols in the forms of H2X (k0), HX－(k1) and X2－(k2) by Ru(NH3)5L3+ and Fe(CN)5(py)2- complexes to form the corresponding semiquinone radicals

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Book chapters on the topic "Catechol oxidation kinetics"

1

Naidja, Abdallah, P. M. Huang, Jerzy Dec, and Jean-Marc Bollag. "Kinetics of Catechol Oxidation Catalyzed by Tyrosinase or δ-Mno2." In Effect of Mineral-Organic-Microorganism Interactions on Soil and Freshwater Environments. Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4683-2_19.

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