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Relevant bibliographies by topics / Sulfate groups

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Dissertations / Theses

Academic literature on the topic 'Sulfate groups'

Author: Grafiati

Published: 14 March 2023

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Dissertations / Theses on the topic "Sulfate groups"

1

Mandarini, Elisabetta. "Decoding the role of HSPGs in tumor onset and progression through use of branched peptide probe." Doctoral thesis, Università di Siena, 2020. http://hdl.handle.net/11365/1094789.

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Heparan sulfate Proteoglycans (HSPGs) play a number of signaling and structural roles in tumor progression and metastasis spread. The biological function of HSPGs resides in their ability of interaction with many different types of ligands like growth factors, morphogens, chemokines and proteins of extracellular matrix (ECM). These bindings activate signaling pathways that modulate major transformations of cancer cells, leading to tumor growth, migration, invasion and metastasis. HSPGs are over-expressed on cancer cell membranes. The tetra-branched peptide NT4 binds with high selectivity to di

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2

Ahmed, Yassir Ahmed Mohmed Ali. "Heparan sulfate-protein interactions : evidence for sulfate group-dependent selectivity." Thesis, University of Liverpool, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.539728.

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Heparan sulfates (HS) are a family of structurally diverse, sulfated polysaccharides located at the cell surface and in the extracellular matrix. They are distributed widely in virtually all metazoan organisms. The structural diversity occurs via variability in the positions of sulfation along the HS chain and in (l L-iduronic acid and D› glucuronic acid substitutions. There is now strong evidence that these molecules perform diverse functions in vivo through their ability to regulate the activity of different proteins. A wide variety of proteins have been found to be ligands for liS, includin

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3

Proud, Andrew D. "Development of a protecting group for sulfate esters." Thesis, University of Edinburgh, 1999. http://hdl.handle.net/1842/12804.

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This work describes the development of a protecting group for sulfate monoesters in carbohydrates. After initial trial studies, the trifluoroethyl ester was selected as a suitable protecting group. The ester was formed from the sulfate by treatment with trifluoro diazoethane. This protection method is shown to be compatible with other common protecting groups used in carbohydrate chemistry. The protecting group is proven to be stable to the manipulations of many other protecting groups. The utility of monosaccharides incorporating protected sulfate esters in synthesis has been examined. It has

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4

Arai, Milton Hideaki. "Papel da atividade física regular realizada durante vários anos na função imune do idoso." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/5/5144/tde-14102014-093413/.

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A proposta principal deste estudo foi de avaliar o efeito da prática regular de atividade física por longos anos na imunossenescência, isto é, nas alterações que o sistema imune sofre com o envelhecimento. Para tal, comparou-se os resultados dos exames imunológicos de 20 idosos praticantes de corrida (idade média = 67 anos) aos de 20 idosos sedentários (idade média = 66 anos) e 10 jovens sedentários (idade média = 26 anos). Os idosos corredores eram praticantes da modalidade em média nos últimos 23 anos e vinham percorrendo uma distância semanal média de 39 quilômetros. O consumo máximo de oxi

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5

Kotler, Julia Michelle. "Biosignature storage in sulfate minerals- synthetic and natural investigations of the jarosite group minerals." The University of Montana, 2009. http://etd.lib.umt.edu/theses/available/etd-08062009-143516/.

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The discovery of jarosite on Mars in 2004 generated increased interest in the properties of the mineral related to the search for life on other planets. Several studies indicate that the formation of jarosite can be linked to biological activity on Earth and biomolecules such as amino acids have been found associated with terrestrial jarosite samples. A series of natural and synthetic investigations using different jarosite end-members has been conducted and is presented in this dissertation to investigate the possibility that jarosite can store biosignatures. Natural samples were analyzed by

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6

Katragkou, Eleni. "Aircraft based measurements of atmospheric sulfur dioxide and ground based measurements of gaseous sulfur (VI) in the simulated internal flow of an aircraft engine implications for atmospheric aerosol formation /." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=969654588.

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7

Matthews, Richard P. "Ion Pairing in Aqueous Metal Sulfates and Platinum Group Metal Ammonium Solutions." Doctoral thesis, University of Cape Town, 2010. http://hdl.handle.net/11427/6330.

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The structure and dynamics of ions and ion pairs in solution play an integral part in several biological and chemical processes. Historically the calculation of ion pair association constants from computer simulations has been complicated due to the difficulty in validating metal ion force fields for solution simulations. In this thesis a force field for divalent metal ions in metal sulfate solutions (i.e. Mg2+SO4 2-, Ca2+SO4 2-, Mn2+SO4 2-, Fe2+SO4 2-, Co2+SO4 2-, Ni2+SO4 2-, Cu2+SO4 2- and Zn2+SO4 2-) important in physical and biophysical experiments is produced. Potential of mean force calc

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8

Wuerch, Helmuth Victor. "Diagenesis and Water Chemistry of the Woodbine Group in the East Texas Basin." DigitalCommons@USU, 1986. https://digitalcommons.usu.edu/etd/6685.

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Petrographic and SEM study of flu vial-deltaic sections of the Woodbine Group in the East Texas Basin indicates that authigenic mineral suites are controlled, in part, by the presence of organic-rich matrix. During early, precompaction diagenesis, organic matter supplied the metabolic fuel required by sulfate-reducing bacteria to reduce sulfate in depositional waters ultimately to pyrite. With burial the sulfate supply was ultimately exhausted, and bicarbonate activity thereafter controlled the precipitation of siderite and Fe-calcite. Matrix material supplied the components and reaction sites

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9

Abdellatif, Mohamed Moustafa. "Poly(arylene ether)s with Truly Pendant Benzene Sulfonic Acid Groups." Wright State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=wright1222544981.

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10

Mulwanda, James. "Recovery of dissolved platinum group metals from a pregnant copper sulphate leach solution by precipitation." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86538.

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Thesis (MEng)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: In Base Metal Refineries (BMRs), the copper sulphate leach solution produced during the final pressure leaching stage contains impurities such as selenium and tellurium, as well as other precious metals (OPMs, namely Rh, Ru, and Ir). Se and Te are removed by precipitation with sulphur dioxide prior to electrowinning of Cu. While a small percentage of the dissolved OPMs precipitate with the Se and Te, the largest portion remains in solution and is recycled to the first stage leach. If a larger portion of the OPMs in solutio

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