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Dissertations / Theses on the topic 'Oxidation of oxalic acid'

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Published: 5 June 2025

Last updated: 1 August 2025

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1

Forti, Juliane Cristina. "Aplicação de eletrodos de óxidos ativados em eletrooxidação orgânica: oxidação de formaldeído, acetaldeído e ácido oxálico." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/59/59138/tde-23012007-151800/.

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Este trabalho apresenta a preparação e caracterização de eletrodos de óxidos do tipo ânodos dimensionalmente estáveis (ADE) de composição nominal Ti/Ru0,3Ti0,7O2, modificados pela adição de metais em sua superfície. A introdução de um metal modulador permitiu alterar de forma significativa o comportamento eletroquímico de todo o recobrimento. A modificação do ADE foi realizada através de eletrodeposição de Pt e PbO2 e de deposição química de catalisadores nanodivididos (Pt e Pt-Ni). O objetivo desta preparação foi modular as propriedades dos ânodos visando melhorar as propriedades eletrocatalí

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2

Lee, Sung Oh School of Chemical Engineering &amp Industrial Chemistry UNSW. "Dissolution of iron oxides by oxalic acid." Awarded by:University of New South Wales. School of Chemical Engineering & Industrial Chemistry, 2005. http://handle.unsw.edu.au/1959.4/23924.

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The iron content of industrial minerals can be reduced by physical and chemical processing. Chemical processing is very efficient to achieve a high degree of iron removal at minimum operating cost. Both inorganic acids and organic acids have been used for clay refining. However, due to environmental pollution and contamination of products with the SO42- and Cl-, inorganic acids should be avoided as much as possible. This research investigated the use of oxalic acid to dissolve iron oxides and the dissolution characteristics of natural iron oxides. The dissolution of iron oxides in oxalic acid

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3

Neves, Nathalia Costa Viana. "Aplica??o da t?cnica eletroanal?tica de pulso diferencial usando o eletrodo de carbono v?treo modificado com ciste?na para monitorar a degrada??o eletroqu?mica de ?cido ox?lico." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/17732.

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Made available in DSpace on 2014-12-17T15:42:11Z (GMT). No. of bitstreams: 1 NathaliaCVN_DISSERT.pdf: 2020842 bytes, checksum: efcd9ca5e5cfd7d63412f72c80546c39 (MD5) Previous issue date: 2013-07-31<br>In this paper, the technique of differential pulse voltammetry (DPV) has been studied for monitoring the concentration of oxalic acid (OA) during their electrochemical oxidation (EO) in acidic medium using platinum anode supported on titanium (Ti / Pt). The DPV was standardized and optimized using a glassy carbon electrode modified with cysteine. The modification with cysteine was developed ele

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4

McMullan, E. A. "The electrochemical reduction of carbon dioxide, glyoxylic acid and oxalic acid." Thesis, University of Ulster, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356452.

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5

Tokimatsu, Toshiaki. "Biochemical Roles of Oxalic Acid in Wood Decay Model Systems and Characteristics of a New Oxalic Acid Producing Enzyme Glyoxylate Dehydrogenase." Kyoto University, 1999. http://hdl.handle.net/2433/182430.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第7591号<br>農博第1030号<br>新制||農||773(附属図書館)<br>学位論文||H11||N3226(農学部図書室)<br>UT51-99-D208<br>京都大学大学院農学研究科林産工学専攻<br>(主査)教授島田幹夫, 教授桒原正章, 教授中坪文明<br>学位規則第4条第1項該当

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6

Bottrill, Stephen. "Comparative studies of oxalyl-CoA decarboxylase produced by soil and ruminal bacteria." Title page, contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09ANM/09anmb751.pdf.

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Bibliography: leaves 139-167 The aim of this project was to identify an enzyme responsible for the metabolism of oxalate which would be suitable for degrading oxalate in the rumen, and clone and characterise that gene.

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7

Ketusky, Edward. "Remediation of spent oxalic acid nuclear decontamination solutions using ozone." Thesis, Lancaster University, 2018. http://eprints.lancs.ac.uk/123625/.

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The Savannah River Site (SRS) has forty-three remaining very large underground tanks containing significant quantities of nuclear waste generated primarily from cold-war radiochemical separations. All of the tanks eventually must be closed. As part of decommissioning/closing the nuclear waste tanks, even residual quantities of the waste must be removed. Although most sludge can be removed mechanically, chemically cleaning (i.e. decontamination) with oxalic acid is used to aid in the removal of residual quantities. Although oxalic acid works for cleaning the tanks, its downstream impacts are co

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8

Beckett, Philip Ronald. "Amino acid oxidation." Thesis, University of Aberdeen, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.253828.

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The aim of the study was to determine the efficiency with which the carbon skeletons of essential amino acids are utilised by the pig when they are limiting in its diet. This requires the oxidation rate of an amino acid to be measured accurately using a tracer labelled with an isotope of carbon or hydrogen. The use of carbon labelled tracers requires the animal to be enclosed in a sealed chamber for the collection of CO<sub>2</sub>; to avoid this the use of [<sup>3</sup>H]-labelled tracers was investigated. The oxidation rates of [<sup>14</sup>C]-labelled tracers when the tracee was limiting a

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9

Watanabe, Tomoki. "Mechanisms for oxalic acid decomposition and transport in wood-rotting fungi." Kyoto University, 2008. http://hdl.handle.net/2433/136618.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第13891号<br>農博第1706号<br>新制||農||955(附属図書館)<br>学位論文||H20||N4358(農学部図書室)<br>UT51-2008-C807<br>京都大学大学院農学研究科応用生命科学専攻<br>(主査)教授梅澤俊明, 教授矢﨑一史, 教授江﨑信芳<br>学位規則第4条第1項該当

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10

Lowalekar, Viral Pradeep. "Oxalic Acid Based Chemical Systems for Electrochemical Mechanical Planarization of Copper." Diss., The University of Arizona, 2006. http://hdl.handle.net/10150/193886.

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In an ECMP process, a wafer is anodically baised during polishing. The electrical potential is the driving force to oxidize copper metal to ions. Copper ions then react with chemistry in the electrolyte to go in solution or form a passivation layer on the surface. The passivation layer is removed by a very low downforce (0.5-1 psi), causing copper to electrochemically dissolve in solution. Passive film formation during copper ECMP is key to the success of this process, since passivation reduces dissolution in the recessed areas, while elevations on the copper surface in direct contact with the

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11

Beaulieu, Robert A. "Oxalic acid production by sclerotinia homoeocarpa the causal agent of dollar spot /." Connect to resource, 2008. http://hdl.handle.net/1811/32174.

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12

Richards, S. N. "Nitrous acid oxidation mechanisms." Thesis, University of Exeter, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379464.

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13

Eaton, Simon. "Regulation of fatty acid #beta#-oxidation." Thesis, University of Newcastle Upon Tyne, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311443.

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14

Spurway, Tracy Deborah. "Control of hepatic fatty acid oxidation." Thesis, University of Newcastle Upon Tyne, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283671.

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15

Jackson, Sandra. "Enzymes of mitochondrial fatty acid oxidation." Thesis, University of Newcastle Upon Tyne, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283069.

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16

Beake, Benjamin David. "Nitration and oxidation with nitrous acid." Thesis, University of Exeter, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240290.

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17

Tsai, Suh-Jen Jane. "Equilibrium and kinetic studies of metal ion promoted hydration and enolization reactions of oxaloacetate in various buffers : the cooperativity with base catalysts /." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487258254024045.

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18

Tranca, Ionut [Verfasser]. "Density functional study of molecular adsorption on the Cu(011) surface : oxalic acid and 2,5 pyrazine di-carboxylic acid / Ionut Tranca." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2012. http://d-nb.info/1022616684/34.

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19

Missengue-Na-Moutoula, Roland. "Synthesis of ZSM-5 zeolite from South African fly ash and its application as solid catalyst." University of the Western cape, 2016. http://hdl.handle.net/11394/5431.

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Philosophiae Doctor - PhD<br>Zeolites are widely used as environmentally friendly solid catalysts or catalyst supports in the refining and petrochemical industries. ZSM-5 zeolite is composed of a three-dimensional medium pore structure (openings of 5-5.5 Å) with high silica content, high temperature stability and strong acidity making it a well-known and an established catalyst for several petroleum derived chemical processes such as cracking, aromatic alkylation, disproportionation, Methanol-to-Gasoline, isomerisation, etc. Nowadays, the synthesis of ZSM-5 zeolite from silica, alumina sources

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20

Patson, P. A. "Regulation of branched-chain amino acid oxidation." Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355766.

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21

Richards, D. I. "The oxidation of cyclohexanol by nitric acid." Thesis, University of York, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379479.

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22

Smith, Simon. "Polyunsaturated fatty acid oxidation in Alzheimer’s disease." Thesis, Aston University, 2011. http://publications.aston.ac.uk/16499/.

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Alzheimer’s disease is a neurodegenerative disorder which has been characterised with genetic (apolipoproteins), protein (ß-amyloid and tau) and lipid oxidation/metabolism alterations in its pathogenesis. In conjunction with the Dementia Research Group, Bristol University, investigation into genetic, protein and lipid oxidation in Alzheimer’s disease was conducted. A large sample cohort using the double-blind criteria, along with various clinical and chemical data sets were used to improve the statistical analysis and therefore the strength of this particular study. Bristol University complete

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23

Azzu, Youssef Mohamed. "Modulation of fruit ripening, storage time and quality of fruits with emulsion of Chitosan alone and loaded with Salicylic acid or Oxalic acid." Thesis, Curtin University, 2016. http://hdl.handle.net/20.500.11937/576.

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Efficacy of chitosan emulsion, salicylic acid (SA) or oxalic acid (OA) alone and chitosan loaded with SA or OA on ethylene production, extending storage life and maintenance of climacteric (nectarine and plum) and non-climacteric fruit (sweet orange) quality at ambient temperature and cold conditions was investigated. Beneficial effects of these coating treatments in regulating ethylene production, fruit softening, reducing weight loss and diseases and quality parameters varied between climacteric and non-climacteric fruits, cultivars and storage conditions.

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24

Bacher, Mohamed A. "Induction of microsomal and peroxisomal fatty acid oxidation by chlorophenoxy acid herbicides." Thesis, University of Surrey, 1989. http://epubs.surrey.ac.uk/847223/.

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Induction of the cytochrome P-450 mixed-function oxidase and specifically the cytochrome P-450 IVA1 isoenzyme by seven phenoxy acid herbicides in rat liver and kidney, have been studied. results using liver microsomes demonstrated that the 12-hydroxylation of lauric acid was significantly induced by all compounds (3-8-fold), 4-chlorophenoxyacetic acid (CPA) (300 mg/kg) being the weakest and 2,4,5-trichlorophenoxypropionic acid (2,4,5-TP) (200 mg/kg) the most potent inducers respectively. This increase in lauric acid 12-hydroxylase-activity was accompanied by an increase in the hepatic content

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25

Sood, Sachindra. "One-step oxidation of propylene to acrylic acid." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1995. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq22044.pdf.

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26

Smith, E. H. "The enzymic oxidation of linoleic and linolenic acid." Thesis, University of Nottingham, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380185.

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27

Hawkey, Robin Keith. "Amino acid oxidation and protein metabolism in animals." Thesis, University of Nottingham, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.334760.

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28

Rocha, Hugo Daniel Carvalho de Azevedo. "Mitochondrial dysfunction in fatty acid β-oxidation disorders". Doctoral thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/14297.

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Doutoramento em Bioquímica<br>Mitochondria are central organelles for cell survival with particular relevance in energy production and signalling, being mitochondrial fatty acid β–oxidation (FAO) one of the metabolic pathways harboured in this organelle. FAO disorders (FAOD) are among the most well studied inborn errors of metabolism, mainly due to their impact in health. Nevertheless, some questions remain unsolved, as their prevalence in certain European regions and how pathophysiological determinants combine towards the phenotype. Analysis of data from newborn screening programs from Portug

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29

Kerman, Ipek. "Synthesis And Characterization Of Poly(oxalic Acid Dithiophen-3-yl Methyl Ester) And Thiophene Ended Poly-&amp." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12605014/index.pdf.

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Synthesis and characterization of thiophene ended poly-&amp<br>#949<br>-caprolactone (PCL) and oxalic acid dithiophen-3-yl methyl ester (ODME) and their copolymers with both pyrrole and thiophene were achieved. Chemical structure of the precursor polymer and monomer were investigated Redox behavior of polymer and monomers were determined by Cyclic Voltammetry (CV). Structural characterization of samples were carried out by 1H, 13C Nuclear Magnetic Resonance (NMR) and Fourier Transform Infrared Spectroscopy (FTIR). Conductivities of the films were measured by using four probe technique. Therma

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30

Salama, Philippe. "Photocatalytic oxidation of NiEDTA." Thesis, McGill University, 2007. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=103292.

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Metal-Ethylenediaminetetraacetic acid (EDTA) complexes are found in a variety of industrial process. The stability of the formed complexes makes these compounds often inert to conventional wastewater treatment systems. In this work, the photocatalytic oxidation of NiEDTA was investigated as a means of breaking up the chelated nickel. The studied variables included the light intensity rate, the catalyst (TiO2), oxygen and NiEDTA concentrations. Photocatalytic experiments showed that increasing the catalyst concentration (0.5-3.0 g/L) decreases the light penetration inside the reactor resulting

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31

Erman, Munir. "A Novel Mechanism for Oxalic Acid Biosynthesis Coordinating with Energy Generating Systems in the Wood-Rotting Basidiomycete Fomitopsis palustris." Kyoto University, 2002. http://hdl.handle.net/2433/149889.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第9597号<br>農博第1225号<br>新制||農||840(附属図書館)<br>学位論文||H14||N3629(農学部図書室)<br>UT51-2002-G355<br>京都大学大学院農学研究科応用生命科学専攻<br>(主査)教授島田幹夫, 教授加藤暢夫, 教授江﨑信芳<br>学位規則第4条第1項該当

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32

Mansouri, Abdelhak. "Hepatic fatty acid oxidation and control of food intake /." Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17697.

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33

New, Karen Jayne. "Control of hepatic fatty acid oxidation in suckling rats." Thesis, University College London (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.392103.

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34

Dzierzak, Joanna. "Bioinspired, heterogeneous amino acid complexes for benign oxidation catalysis." Thesis, University of Southampton, 2011. https://eprints.soton.ac.uk/334198/.

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Metalloenzymes catalyse the most fundamental reactions in organic chemistry from oxidation of hydrocarbons to complex C-C bond forming reactions with exceptional selectivity. Mimicking the active site of a metalloenzyme by immobilising well-defined amino acids containing catalytically active transition metal centres based on transitionmetals on a robust inorganic framework, affords powerful catalysts that can be utilised in oxidation reactions. Porous aluminosilicates, mesoporous silicas and polymers offer suitable supports for single-site bio-derived catalysts. Dispersion of catalytically act

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35

Dey, Brian Matthew. "The origins and control of acid mine drainage." Thesis, Cardiff University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313136.

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36

Canevari, Thiago da Cruz 1980. "Ftalocianina de cobalto preparada in situ sobre o oxido misto SiO2/SnO2 obtido pelo processo sol-gel. Aplicação na oxidação eletrocatalitica do acido oxalico e do nitrito." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/249670.

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Orientador: Yoshitaka Gushikem<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Quimica<br>Made available in DSpace on 2018-08-11T20:31:08Z (GMT). No. of bitstreams: 1 Canevari_ThiagodaCruz_M.pdf: 626518 bytes, checksum: a33704384d49a883c4ca32c883b2ad0d (MD5) Previous issue date: 2008<br>Resumo: Este trabalho descreve a síntese do óxido misto SiO2/SnO2 nas composições 3%, 8,6% e 12% (% em massa de SnO2) obtido pelo processo sol-gel. As informações sobre a formação do SiO2/SnO2, foram obtidas utilizando as técnicas disponíveis para tal finalidade como área superfici

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37

Mc, Ardle Siobhan. "Electrochemical oxidation of the iodate ion." Thesis, Queen's University Belfast, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.286781.

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38

Cheema, Shabaz Ahmad. "The atmospheric oxidation of alkanols." Thesis, University of Hull, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310212.

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39

Sjöde, Anders. "Chemical characterization in the biorefinery of lignocellulose : formation and management of oxalic acid and analysis of feedstocks for bioethanol production /." Karlstad : Faculty of Technology and Science, Chemistry, Karlstad University, 2008. http://www.diva-portal.org/kau/abstract.xsql?dbid=1362.

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40

Brotherton, Clare. "Synthesis and oxidation of tricyclic steroid analogues." Thesis, University of Aberdeen, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362235.

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The subject of this thesis is the synthesis and oxidation of tricyclic steroid analogues. The synthesis of the tricyclic derivatives, 1,2-dihydro-5-hydroxy-3H-benz[e]inden-3-ones, is described in chapter 1. The synthetic route involves the initial condensation of readily available acetophenone precursors with furfuraldehyde. Subsequent acidic hydrolysis of the resulting furanyl compounds afforded a diketo acid and/or furan acid depending on the nature and position of the substituent on the aromatic ring. Intramolecular condensation of the diketo acids provides a versatile intermediate in the c

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41

Rein, Neil Berthold. "Biological sulphide oxidation in heterotrophic environments." Thesis, Rhodes University, 2002. http://hdl.handle.net/10962/d1003978.

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Acid mine drainage is a major environmental pollution concern associated with the mining of sulphide-containing ore bodies. Both physicochemical and biological options have been investigated for the treatment of acid mine drainage with recent interest in biological processes targeting low-cost and passive treatment applications. All acid mine drainage biological treatment processes are based to some extent on the activity of sulphate reducing bacteria, and their ability to reduce sulphate to sulphide in the presence of a range of carbon and electron donor sources. A portion of the sulphide pro

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42

Xie, Ning. "Lewis acid catalyzed oxidation of sulfides and sulfoxides by permanganate." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq35823.pdf.

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43

Makinde, Abiola Olufemi. "Maturation of fatty acid oxidation in the newborn rabbit heart." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0004/NQ39561.pdf.

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44

Thompson, Andrew Sydney. "The microbial oxidation of methanesulfonic acid in the marine environment." Thesis, University of Warwick, 1995. http://wrap.warwick.ac.uk/59057/.

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The biogeochemical transformations related to methanesulfonic acid (MSA) formation and degradation are discussed, with reference to the role of marine bacteria and the phylogeny and biochemistry of methylotrophic bacteria are briefly reviewed. The aims of the work presented were [i] to isolate novel MSA utilising bacteria from both seawater and freshwater samples, [ii] to characterise these isolates and [iii] to elucidate the mechanisms by which MSA is metabolised in these isolates. Isolation procedures for the enrichment of MSA-oxidizing bacterial from a wide range of seawater and freshwater

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45

Watmough, N. J. "Measurement of intermediates and products of fatty acid #beta#-oxidation." Thesis, University of Newcastle Upon Tyne, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234411.

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46

Tran, Thien, and Thien Tran. "Degradation of Aqueous Perfluorooctanoic Acid by Iron-Activated Persulfate Oxidation." Thesis, The University of Arizona, 2016. http://hdl.handle.net/10150/621559.

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Perfluorinated compounds (PFCs) are a class emerging contaminants that have been implicated in bladder cancer and other human health problems. Due to the widespread exposure to humans, persistence in the environment, and their negative effects on human health, we need to develop a treatment method to degrade these chemicals into harmless species. Perfluorooctanoic acid (PFOA, C₈HF₁₅O₂) is one of the top representatives of PFCs commonly reported to be found in water sources, hence it was chosen as the model compound and focus in this project. We examined an iron-activated persulfate oxidation (

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47

Lee, JaeHwan. "Photooxidation and Photosensitized Oxidation of Linoleic Acid, Milk, and Lard." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1037391694.

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48

Perales-Rondón, Juan V. "Electrocatalytic studies of formic acid oxidation on Pt model surfaces." Doctoral thesis, Universidad de Alicante, 2016. http://hdl.handle.net/10045/59752.

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La presente tesis doctoral se centra en el estudio del efecto de la estructura y composición de electrodos de platino en la reacción de ácido fórmico. Por un lado, se estudia el efecto estructural en el mecanismo de reacción, que ha servido para plantear un mecanismo de reacción modelo que da explicación satisfactoria a los resultados voltamétricos obtenidos. De esta forma se ha llegado a proponer la naturaleza y configuración del intermedio activo de la reacción (cuya identidad ha estado en fuerte discusión hasta ahora). Por otro lado, se ha estudiado el efecto de la composición estructural e

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49

Eaton, Gregory K. "Oxalic acid production by the ectomycorrhizal fungus Hebeloma westraliensis and its role in the nutrient acquisition and growth of Eucalyptus diversicolor in calcareous soil." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/41292.

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This work includes an introduction and literature review of mycorrhizal enhancement of the mineral nutrition of host plants. Particular attention was paid to the role of mycorrhizae in acquiring P from inorganic phosphates. Two experiments were designed to study a mechanism by which the ectomycorrhizal fungus Hebeloma westraliensis can enhance the availability and absorption of P from Ca phosphate by <u>Eucalyptus diversicolor</u> in calcareous soil. Chapter 2 reports on a study on the growth and oxalic acid production of <u>H. westraliensis</u> in calcareous and noncalcareous liquid media. Ox

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50

Wright, Adam. "Investigations of singlet oxygen-mediated amino acid, peptide and protein oxidation." Thesis, The University of Sydney, 2002. https://hdl.handle.net/2123/27830.

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