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Dissertations / Theses on the topic 'Proteins Oxidation'

Author: Grafiati

Published: 4 June 2021

Last updated: 20 February 2023

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1

Osborn, Anna. "Measurements of Human Plasma Oxidation." Thesis, University of Canterbury. Biological Sciences, 2006. http://hdl.handle.net/10092/1426.

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The oxidation of lipids and antioxidants has been extensively studied in human plasma but little attention has been given to how plasma proteins are oxidised. Proteins make up the majority of biomolecules in cells and plasma and therefore are the most likely reactants with oxidants and free radicals. Previous studies in the laboratory had shown that peroxyl radicals generated by the thermolytic decay of 2-azobis (2-amdinopropane) dihydrochloride (AAPH) generated significant amounts of protein hydroperoxides, but only after a six hour lag period. In this study the existence of the six hour lag

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2

Du, Aiguo. "Prediction of oxidation states of cysteines and disulphide bridges in proteins." unrestricted, 2007. http://etd.gsu.edu/theses/available/etd-11272007-024411/.

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Thesis (Ph. D.)--Georgia State University, 2007.<br>Title from file title page. Y. Pan, committee chair; G. Qin, A. Bourgeois, A. Zelikovski, committee members. Electronic text (124 p. : ill. (some col.)) : digital, PDF file. Description based on contents viewed June 3, 2008. Includes bibliographical references (p. 111-124).

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3

Beilen, Jan Berthold van. "Alkane oxidation by Pseudomonas oleovorans: genes and proteins." [S.l. : [Groningen : s.n.] ; University Library Groningen] [Host], 1994. http://irs.ub.rug.nl/ppn/292892500.

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4

Fredriksson, Åsa. "On the role of protein oxidation and heat shock proteins in senescence and fitness /." Göteborg : Göteborg University, 2006. http://www.loc.gov/catdir/toc/fy0708/2006421399.html.

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5

Shutova, Tatiana. "Photosynthetic water oxidation : the function of two extrinsic proteins." Doctoral thesis, Umeå : Department of Plant Physiology, Umeå Univ, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1476.

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6

Kapavarapu, Susmita. "Extracellular expression, oxidation and purification of hen egg white lysozyme double mutant (H15S+N77H) /." Connect to resource online, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1197658857.

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7

Wood, Geoffrey Paul Farra. "Theoretical Investigations of Radical-Mediated Protein Oxidation." Thesis, The University of Sydney, 2006. http://hdl.handle.net/2123/1413.

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This thesis primarily details the application of high-level ab initio quantum chemistry techniques in order to understand aspects of free-radical mediated protein oxidation. Traditionally, product analysis and electron paramagnetic resonance (EPR) spectroscopy are the primary means for elucidating the chemistry of protein oxidation. However, in experiments involving relatively small proteins reacting with a controlled radical-flux, a vast array of compounds can be produced, which are often difficult to analyse. Quantum chemical techniques on the other hand, can calculate the properties of any

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8

Wood, Geoffrey Paul Farra. "Theoretical Investigations of Radical-Mediated Protein Oxidation." University of Sydney, 2006. http://hdl.handle.net/2123/1413.

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Doctor of Philosophy (PhD)<br>This thesis primarily details the application of high-level ab initio quantum chemistry techniques in order to understand aspects of free-radical mediated protein oxidation. Traditionally, product analysis and electron paramagnetic resonance (EPR) spectroscopy are the primary means for elucidating the chemistry of protein oxidation. However, in experiments involving relatively small proteins reacting with a controlled radical-flux, a vast array of compounds can be produced, which are often difficult to analyse. Quantum chemical techniques on the other hand, can ca

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9

Yi, Dong-Hui Chemistry Faculty of Science UNSW. "The Study of Biomarkers of Protein Oxidative Damage and Aging by Mass Spectrometry." Awarded by:University of New South Wales. School of Chemistry, 1999. http://handle.unsw.edu.au/1959.4/17636.

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The physiologically important free radicals, nitrogen monoxide and superoxide, can combine to form the reactive intermediate peroxynitrite. Peroxynitrite can react with proteins and their constituent amino acids, such as tyrosine, resulting in protein peroxidation, oxidation and nitration. The nitration of proteins, assessed by the analysis of 3-nitrotyrosine, is a proposed index of pathophysiological activity of peroxynitrite. The aim of the work was to investigate the reaction products between peroxynitrite and protein, develop an assay for 3-nitrotyrosine and measure its levels in biologi

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10

Dales, Simon Leslie. "The structure, function and biosynthesis of proteins involved in methanol oxidation." Thesis, University of Southampton, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296270.

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11

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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12

Beard, Collen Alana. "Rubredoxin cobalt substitution and crystallization attempts." Thesis, Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/29863.

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13

Sharar, Mona. "Molecular and Elemental Mass Spectrometric Approaches for Monitoring Oxidation Processes in Proteins." Doctoral thesis, Humboldt-Universität zu Berlin, 2017. http://dx.doi.org/10.18452/18520.

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Die oxidative Transformation der Thiol-Gruppe des Cysteins in verschiedene andere funktionelle Gruppen wird als sehr wichtige posttranslationale Modifikation (PTM) angesehen. Cysteinsulfensäure (SA) ist eine Zwischenstufe der Thiol-Oxidation: Sie kann entweder mit freien Thiolen reagieren, um Disulfide zu bilden oder durch reaktive Sauerstoffspezies (reactiveoxygenspecies, ROS) weiter oxidiert werden. Jede Störung des zellulären Redox-Haushalts wird mit altersbedingten Erkrankungen , daher stellt die Überwachung des SA-Spiegels einen vielversprechenden Wegdar, den Status dieses Redox-Haushalt

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14

Sauvé, Véronique. "Biochemical and structural characterisation of proteins involved in the sulfur oxidation (sox) system." Thesis, University of Oxford, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.670036.

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15

Liu, Pei. "Development of redox proteomics methods and the identification of redox-sensitive proteins in arabidopsis." HKBU Institutional Repository, 2015. https://repository.hkbu.edu.hk/etd_oa/184.

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Cellular redox homeostasis mediates a wide range of physiological and developmental processes. Various stresses trigger over-production of reactive oxygen/nitrogen species which leads to oxidative modifications of redox-sensitive proteins. Identification and characterization of redox-sensitive proteins are important steps toward understanding molecular mechanisms of stress responses. In the study, a high-throughput quantitative proteomic approach termed OxiTRAQ was developed for identifying proteins whose thiols undergo reversible oxidative modifications in Arabidopsis cells subjected to oxida

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16

Karimi, Maryam. "Characterization of Disulfide Bond Oxidation in Peptides and Proteins by Myeloperoxidase-Derived Oxidants." Thesis, The University of Sydney, 2017. https://hdl.handle.net/2123/22302.

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Activated neutrophils play an important role in the immune response to invading pathogens and bacteria. These cells generate large fluxes of reactive oxidants via an oxidative burst to kill pathogens. Inappropriate or misdirected stimulation of this mechanism, such as occurs during inflammation, can damage the host tissue. This inflammation-induced damage has been linked to the development and/or progression of multiple diseases such as atherosclerosis, arthritis, asthma and some cancers. One of the major sources of these reactive oxidants at sites of inflammation is the heme enzyme myeloperox

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17

Little, Laura Grace. "Response of a NEIL1 deficient murine epithelial cell line to chromate." CONNECT TO THIS TITLE ONLINE, 2008. http://etd.lib.umt.edu/theses/available/etd-04172008-090537/.

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18

Liu, Chia-chi. "Oxidation of ascorbate by protein radicals in simple systems and in cells." Phd thesis, Australia : Macquarie University, 2007. http://hdl.handle.net/1959.14/16746.

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Thesis (PhD) -- Macquarie University, Division of Environmental and Life Sciences, Dept. of Chemistry and Biomolecular Sciences, 2007.<br>Bibliography: leaves 295-322.<br>Generation of peroxide groups in proteins exposed to a wide variety of reactive oxygen species (ROS) requires an initial formation of protein carbon-centred or peroxyl free radicals, which can be reduced to hydroperoxides. Both protein radicals and protein hydroperoxides are capable of oxidizing important biomolecules and thus initiate biological damage. In this study, we investigated the inhibition of protein hydroperoxide f

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19

Geier, George Richard. "The preparation of a metalloporphyrin-peptide conjugate artificial protein for the catalytic oxidation of alkenes /." Thesis, Connect to this title online; UW restricted, 1997. http://hdl.handle.net/1773/8546.

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20

Kwolek, Kathleen A. "Investigation of Site-Specific Metal-Catalyzed Oxidation of Proteins Using Dipeptides as Model Compounds." Youngstown State University / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ysu997720041.

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21

Love, Dominic Thomas. "The Role of HOSCN in the Oxidation of Proteins and Cellular Damage in Atherosclerosis." Thesis, The University of Sydney, 2015. http://hdl.handle.net/2123/14705.

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Myeloperoxidase forms the reactive oxidants hypochlorous acid (HOCl) and hypothiocyanous acid (HOSCN). While HOCl is an extremely reactive oxidant that causes extensive damage to all manner of biomolecules, HOSCN reacts preferentially with protein thiols. This targeting of thiols can lead to protein inactivation and inhibition, and has led to HOSCN being implicated in the alteration of numerous cellular redox pathways. This Thesis compares the ability of HOCl and HOSCN to form reversibly oxidised cysteine products in murine J774A.1 macrophages, examining changes to the protein thiol levels and

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22

Bhattacharyya, Anjan Kumar. "Intramolecular and intracomplex electron transfer in water soluble redox proteins." Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184339.

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Electron transfer to and between the redox centers of milk xanthine oxidase was investigated by laser flash-photolysis. Evidence is presented for slow equilibration of electrons (k < 38 s⁻¹) between the various redox centers of the enzyme. The enzyme-bound flavin and the heme moieties of the flavoprotein and cytochrome subunits of p-cresol methyl hydroxylase from Pseudomonas putida are both reduced rapidly in a second order manner by 5-dRF generated by the laser flash, followed by slower first order intramolecular electron transfer (k = 220 s⁻¹) from the protein-bound neutral flavin radical to

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23

Elliott, Nathan Andrew. "Prevention of Oxidative Damage by Yeast and Human OXR1: A Dissertation." eScholarship@UMMS, 2004. https://escholarship.umassmed.edu/gsbs_diss/96.

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24

Thirumangalathu, Renuka. "Understanding physical and chemical stability of proteins in solution : relevance to therapeutic protein and monoclonal antibody formulations /." Connect to abstract via ProQuest. Full text is not available online, 2007.

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Thesis (Ph.D. in Pharmaceutical Sciences) -- University of Colorado Denver, 2007.<br>Typescript. Includes bibliographical references (leaves 133-143). Online version available via ProQuest Digital Dissertations.

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25

Mensah, Eric. "Creation of a Site-Directed Mutant of Hen Egg White Lysozyme Working Toward Site-Specific Oxidation as it Relates to Protein Structure." Connect to resource online, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1251756763.

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26

Fernström, Maria. "Effects of endurance exercise on mitochondrial efficiency, uncoupling and lipid oxidation in human skeletal muscle /." Stockholm, 2007. http://diss.kib.ki.se/2007/978-91-7357-059-6/.

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27

Traore, Souleymane. "Caractérisation biochimique de muscles de porc riches en glycogène : relation avec les phénomènes d'oxydation." Thesis, Clermont-Ferrand 2, 2011. http://www.theses.fr/2011CLF22207.

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L’objectif de notre étude est de comprendre les mécanismes impliqués dans la variation des qualités sensorielles et technologiques de la viande de porc. Les différentes expérimentations nous ont permis de mettre en évidence le rôle de l’oxydation des protéines dans la variation de qualités des viandes. Les modifications structurales qui ont en découlé participent également à l’élucidation des mécanismes à l’origine de la diminution du pouvoir en rétention d’eau. L’application des traitements thermiques sur la viande accentue les phénomènes oxydatifs dans lesquels la myosine et de l’actine sont

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28

Heine, George F. "Functional analysis of P1, a model R2R3 MYB domain transcription factor." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1148487881.

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29

Kuldyushev, Nikita [Verfasser], Stefan H. [Gutachter] Heinemann, Lars-Oliver [Gutachter] Klotz, and Jochen [Gutachter] Balbach. "Monitoring of methionine oxidation with fluorescent proteins / Nikita Kuldyushev ; Gutachter: Stefan H. Heinemann, Lars-Oliver Klotz, Jochen Balbach." Jena : Friedrich-Schiller-Universität Jena, 2021. http://d-nb.info/1238142265/34.

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30

Niland, Hannah. "Detection and analysis of proteins in the solid phase using extrinsic and intrinsic fluorescence." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/28771.

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Over the past two decades a body of evidence concerning residual biological contamination on cleaned surgical instruments has accumulated. This is substantiated by the number of yearly surgery cancellations due to visible residue on instruments in surgical packs and incidences of iatrogenic Creutzfeldt-Jakob disease (iCJD). It is therefore imperative to develop a method of protein detection for use in clinical sterile services departments (SSDs) for monitoring of decontamination quality. This Thesis describes the development and use of an epifluorescence surface scanner (EFScan) technology in

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31

Taskinen, J. (Jukka). "Protein crystallographic studies of CoA-dependent proteins: new insight into the binding mode and exchange mechanism of acyl-CoA." Doctoral thesis, University of Oulu, 2006. http://urn.fi/urn:isbn:9514280377.

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Abstract Multifunctional enzyme type 1 (MFE-1) is a monomeric member of the hydratase/isomerase superfamily (H/I) involved in the β-oxidation of fatty acids. MFE-1 has 2-enoyl-CoA hydratase-1, Δ3-Δ2-enoyl-CoA isomerase, and several other enoyl-CoA isomerase activities at the N-terminus. The C-terminus has (3S)-hydroxyacyl-CoA dehydrogenase activity. MFE-1 can also convert certain hydroxylated C27 bile acid synthesis intermediates. In these studies, a domain assignment of MFE-1 by sequence alignment with the H/I family (domains A and B in MFE-1) and mitochondrial monofunctional 3-hydroxyacyl-Co

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32

Harrington, Jane Colleen. "Regulation of Reactive Nitrogen Species (RNS) Metabolism and Resistance Mechanisms in Haemophilus influenzae: A Dissertation." eScholarship@UMMS, 2008. https://escholarship.umassmed.edu/gsbs_diss/401.

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Haemophilus influenzae encounters niches within the human host that are predicted to differ in availability of oxygen and reactive nitrogen species (RNS: nitrite and nitric oxide), which influence the environmental redox state. Previously reported data has indicated that an altered redox condition could serve as a signal recognized by H. influenzae to optimize its survival within host microenvironments. To elucidate the role of redox signaling in virulence, we examined regulation by the FNR homolog of H. influenzae, whose counterpart in E. coli has been reported to be a direct oxygen sensor an

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33

Wang, Xu. "CONTROLLED OXIDATIVE MODIFICATION WITH GLUCOSE OXIDASE TO ENHANCE THE RHEOLOGICAL AND GELLING PROPERTIES OF MYOFIBRILLAR PROTEINS." UKnowledge, 2017. http://uknowledge.uky.edu/animalsci_etds/74.

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This study investigated the feasibility of oxidative modification with glucose oxidase (GluOx) to enhance the rheological and gelling properties of myofibrillar protein. Differential oxidative modifications of myofibrillar protein (MP) by hydroxyl radicals generated in an enzymatic system with glucose oxidase (GluOx) in the presence of glucose/FeSO4 compared to a Fenton system (H2O2/FeSO4) were investigated. Firmer and more elastic MP gels were produced by the GluOx-oxidizing system than by the Fenton system at comparable H2O2 levels due to an altered radical reaction pathway. The study furthe

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34

Chou, Danny Kochen. "Mechanistic insights into physical and chemical stability of albumin fusion proteins in aqueous solution /." Connect to full text via ProQuest. Limited to UCD Anschutz Medical Campus, 2008.

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Thesis (Ph.D. in Pharmaceutical Sciences) -- University of Colorado Denver, 2008.<br>Typescript. Includes bibliographical references (leaves 219-242). Free to UCD affiliates. Online version available via ProQuest Digital Dissertations;

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35

López, Martínez Montserrat. "Electrochemical tunneling microscopy and spectroscopy of electron transfer proteins." Doctoral thesis, Universitat de Barcelona, 2017. http://hdl.handle.net/10803/462883.

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Electron Transfer (ET) plays essential roles in crucial biological processes such as cell respiration and photosynthesis. It takes place between redox proteins and in protein complexes that display an outstanding efficiency and environmental adaptability. Although the fundamental aspects of ET processes are well understood, more experimental methods are needed to determine electronic pathways. Understanding how ET works is important not only for fundamental reasons, but also for the potential technological applications of these redox‐active nanoscale systems. The general objective of this the

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36

Parker, Nicole Renee. "The role of kynurenine and UV light in lens protein modification." Access electronically, 2005. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20060720.111305/index.html.

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Thesis (Ph.D.)--University of Wollongong, 2005.<br>Typescript. EMBARGOED - This thesis is subject to a 12 month embargo (07/03/06 to 07/03/07) and may only be viewed and copied with the permission of the author. For further information please Contact the Archivist. Includes bibliographical references: leaf 236-266.

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37

Wilson, Cameron. "Mediation of Osteoblast Responses to Titanium Roughness by Adsorbed Proteins." Queensland University of Technology, 2005. http://eprints.qut.edu.au/16096/.

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Stable fixation of implants such as artificial teeth depends on the direct apposition of bone to the implanted material. While endosseous implants were traditionally allowed to "osseointegrate" over several months without carrying load, clinical and experimental data show that prostheses with roughened surfaces allow successful integration when subject to earlier loading and more challenging implant sites. However, to design implant surfaces for an optimal biological response requires an understanding of the mechanism by which roughened surfaces promote osseointegration. Research into this me

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38

Wilson, Cameron John. "Mediation of Osteoblast Responses to Titanium Roughness by Adsorbed Proteins." Thesis, Queensland University of Technology, 2005. https://eprints.qut.edu.au/16096/1/Cameron_Wilson_Thesis.pdf.

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Stable fixation of implants such as artificial teeth depends on the direct apposition of bone to the implanted material. While endosseous implants were traditionally allowed to "osseointegrate" over several months without carrying load, clinical and experimental data show that prostheses with roughened surfaces allow successful integration when subject to earlier loading and more challenging implant sites. However, to design implant surfaces for an optimal biological response requires an understanding of the mechanism by which roughened surfaces promote osseointegration. Research into this me

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39

Grabarczyk, Daniel Ben. "Molecular characterisation of bacterial proteins that interact with sulfur or nitrogen compounds." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:b6b3e3fd-620f-467d-b063-01311fa7a9a2.

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Many bacteria use inorganic nitrogen and sulfur compounds for energy metabolism. These compounds are often toxic and so bacteria must adapt to survive their deleterious effects. Bacteria use specific proteins in order to metabolise, sense and detoxify these compounds. In this thesis protein interactions with inorganic nitrogen and sulfur compounds are examined at the mechanistic level. Intermediates in the Sox sulfur oxidation pathway are covalently attached to a cysteine on the swinging arm of the substrate carrier protein SoxYZ. An interaction between the Sox pathway enzyme SoxB and the carr

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40

Raimondi, Daniele. "The effect of genome variation on human proteins: understanding variants and improving their deleteriousness prediction through extensive contextualisation." Doctoral thesis, Universite Libre de Bruxelles, 2017. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/251313.

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Rapid technological advances are providing unprecedented insights in the biologicalsciences, with massive amounts of data generated on genomic and protein sequences.These data continue to grow exponentially, and they are extremely valuable for com-putational tools where the effect of genomic variants on human health is predicted.State of the art tools in this field give varying results and only tend to agree in thecase of single variants that are strongly correlated to disease. The aim of this workis to increase the reliability of these methods, as well as our understanding of theunderlying bi

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41

Otten, Michael P. "Nitrogen in the Environment: Blue Copper Proteins Involved in Ammonia Oxidation and A Novel Smartphone-based Strategy for Colorimetric Water Quality Measurements." Bowling Green State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1467989136.

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42

Sousa, Roberta Regina Ruela de. "Estudo por oxido-redução de uma proteina tirosina fosfatase (CD45) purificada de membrana de linfocitos humanos." [s.n.], 2005. http://repositorio.unicamp.br/jspui/handle/REPOSIP/314761.

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Orientador: Hiroshi Aoyama<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-06T06:33:37Z (GMT). No. of bitstreams: 1 Sousa_RobertaReginaRuelade_M.pdf: 3257089 bytes, checksum: 29f24a432f8c0bfd7dd71af48cc7608a (MD5) Previous issue date: 2005<br>Resumo: As proteínas tirosina fosfatases (PTP) (EC 3.1.3.48) são enzimas regulatórias chaves que participam na transdução de sinal e são essenciais na regulação do crescimento, diferenciação, ciclos celulares, na transcrição gênica, resposta imune e outros processos. Esta classe

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Pozuelo, Ruiz Marta. "Bioengineering single-protein wires." Doctoral thesis, Universitat de Barcelona, 2017. http://hdl.handle.net/10803/462906.

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Electron Transfer (ET) is undoubtedly one of the most important processes in life. Molecularly well-defined ET pathways in complex protein ensembles play a vital role in biological processes such as cell respiration or photosynthesis. The fundamental understanding of ET processes in biology is important not only to understand such key natural processes but also to advance in the design of biomolecule/electrode interfaces for Bioelectronic applications. The development of new techniques such as scanning probe microscopies (SPM) played a key role. In particular, the electrochemical scanning tunn

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44

Gao, Ming. "IDENTIFICATION AND ANALYSIS OF PROTEINS AND GENES RESPONSIBLE FOR MICROBIAL ANAEROBIC NITRATE-DEPENDENT IRON OXIDATION AND OVEREXPRESSION IN E. coli OF PERCHLORATE REDUCTASE." OpenSIUC, 2011. https://opensiuc.lib.siu.edu/dissertations/378.

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SECTION 1 Iron is the fourth most abundant element on the earth crust as well as an essential nutrient for all living organisms. The cycling of iron between the environment and biological systems and the microbial-mediated transformation between Fe2+ and Fe3+ has a significant impact on the biogeochemistry of the environment. The recently discovered microbially-mediated anaerobic nitrate-dependent oxidation of Fe2+ has been shown to play an important role in global iron biogeochemical cycling. Furthermore, the formation of iron oxide from anaerobic nitrate-dependent Fe2+ oxidation results in t

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45

Sharar, Mona [Verfasser], Maria [Gutachter] Montes-Bayon, Michael G. [Gutachter] Weller, and Michael W. [Gutachter] Linscheid. "Molecular and Elemental Mass Spectrometric Approaches for Monitoring Oxidation Processes in Proteins / Mona Sharar ; Gutachter: Maria Montes-Bayon, Michael G. Weller, Michael W. Linscheid." Berlin : Humboldt-Universität zu Berlin, 2017. http://d-nb.info/1189326604/34.

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46

Šiurkus, Juozas [Verfasser], and Peter [Akademischer Betreuer] Neubauer. "Approach for production of sensitive to oxidation and aggregating proteins in E. coli at the example of a heterologous ribonuclease inhibitor / Juozas Šiurkus. Betreuer: Peter Neubauer." Berlin : Universitätsbibliothek der Technischen Universität Berlin, 2013. http://d-nb.info/1031075208/34.

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47

Liu, Jing. "EFFECT OF AMYLOSE AND PROTEIN OXIDATION ON THE THERMAL, RHEOLOGICAL, STRUCTURAL, AND DIGESTIVE PROPERTIES OF WAXY AND COMMON RICE FLOURS AND STARCHES." UKnowledge, 2013. http://uknowledge.uky.edu/animalsci_etds/23.

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The effects of oxidation by sodium hypochlorite (0, 0.8, 2, and 5%, NaOCl), the presence of endogenous proteins, and amylose content on waxy and common rice flours (WF, CF) and starches (WS, CS) were investigated in terms of in vitro starch digestibility, morphology and surface properties, and thermal and rheological characteristics. The concentration of NaOCl had an effect on all the samples including WF, CF, WS, and CS. The carbonyl and carboxyl group contents increased up to 25 and 10 folds (P < 0.05) of oxidized starches (WS, CS), respectively. Only mild oxidation (P < 0.05) occurred in fl

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48

Polander, Brandon C. "The hydrogen-bonded water network in the oxygen-evolving complex of photosystem II." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50222.

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Protein dynamics play a key role in enzyme-catalyzed reactions. Vibrational spectroscopy provides a method to follow these structural changes and thereby describe the reaction coordinate as a function of space and time. A vibrational spectroscopic technique, reaction-induced FTIR spectroscopy, has been applied to the study of the oxygen-evolving complex (OEC) of photosystem II (PSII). In plant photosynthesis, PSII evolves oxygen from the substrate, water, by the accumulation of photo-oxidizing equivalents at the OEC. Molecular oxygen and protons are the products of this reaction, which is resp

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49

Wang, Wenzhong. "Mechanistic studies of flavoenzymes in fatty acid oxidation and oxidative protein folding." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 233 p, 2007. http://proquest.umi.com/pqdweb?did=1362529911&sid=3&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Johansson, Patrik. "Structural Studies of a Xyloglucan Endotransglycosylase from Populus tremula x tremuloides and Three Conserved Hypothetical Proteins from Mycobacterium tuberculosis." Doctoral thesis, Uppsala universitet, Institutionen för cell- och molekylärbiologi, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-6738.

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Abstract:

This thesis describes the structural studies of four different proteins from two organisms. Xyloglucan endotransglycosylases, XETs, are involved in plant cell wall expansion and remodeling by splitting and reconnecting xyloglucan-cellulose crosslinks. The first crystal structure of a XET enzyme has been determined to 1.8 Å. The structure provides insights into how XETs are able to bind a heavily branched xyloglucan sugar, as well as hints about the XET-transglycosylation mechanism. Mycobacterium tuberculosis (Mtb) is the cause of enormous human mortality each year. Despite the sequencing of th

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