Academic literature on the topic 'Trimerization'

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Journal articles on the topic "Trimerization"

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Lee, K. H., H. M. Eun, S. S. Park, et al. "Trimerization of C60." Synthetic Metals 103, no. 1-3 (1999): 2434. http://dx.doi.org/10.1016/s0379-6779(98)00713-9.

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Yancey, Benjamin, and Sergey Vyazovkin. "The kinetics and mechanism of nanoconfined molten salt reactions: trimerization of potassium and rubidium dicyanamide." Physical Chemistry Chemical Physics 17, no. 15 (2015): 10209–17. http://dx.doi.org/10.1039/c5cp01056j.

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Dale, Johannes, Siw B. Fredriksen, Gunnar Hagelin, et al. "Cyclic Trimerization of Oxetanes." Acta Chemica Scandinavica 45 (1991): 82–91. http://dx.doi.org/10.3891/acta.chem.scand.45-0082.

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Shi, Z., X. Wan, D. Xing, et al. "Phenethylamine Trimerization to Pyrroles." Synfacts 2006, no. 12 (2006): 1217. http://dx.doi.org/10.1055/s-2006-955570.

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Trikha, Roochi, and David W. Brighty. "Phenotypic analysis of human immunodeficiency virus type 1 Rev trimerization-interface mutants in human cells." Journal of General Virology 86, no. 5 (2005): 1509–13. http://dx.doi.org/10.1099/vir.0.80572-0.

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Nuclear export of unspliced and incompletely spliced human immunodeficiency virus type 1 mRNA is mediated by the viral Rev protein. Rev binds to a structured RNA motif known as the Rev-response element (RRE), which is present in all Rev-dependent transcripts, and thereby promotes entry of the ribonucleoprotein complex into the nuclear-export pathway. Recent evidence indicates that a dimerization interface and a genetically separable ‘trimerization’ interface are required for multimeric assembly of Rev on the RRE. In this report, the effect of mutations within the trimerization interface on Rev
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Budzelaar, Peter H. M. "Ethene trimerization at CrI/CrIII — A density functional theory (DFT) study." Canadian Journal of Chemistry 87, no. 7 (2009): 832–37. http://dx.doi.org/10.1139/v09-022.

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Catalytic ethene trimerization at a chromium(I) indolate-AlR2Cl centre has been studied by density functional theory (DFT) methods. The reaction is found to follow the standard metallacycle mechanism. At most stages of the reaction, coordination of Cr to the pyrrole ring of the indolate is preferred. In all 13-e intermediates, coordination of the Al-bound chloride to Cr provides additional stabilization: the chloride behaves as a hemilabile ligand. Benzene is found to compete with ethene for coordination to CrI. The final hexene-forming step involves direct Cβ → Cα′ hydrogen transfer; reductiv
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Boudko, Sergei P., Takako Sasaki, Jürgen Engel, et al. "Crystal Structure of Human Collagen XVIII Trimerization Domain: A Novel Collagen Trimerization Fold." Journal of Molecular Biology 392, no. 3 (2009): 787–802. http://dx.doi.org/10.1016/j.jmb.2009.07.057.

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Tedbury, Philip R., Mariia Novikova, Sherimay D. Ablan, and Eric O. Freed. "Biochemical evidence of a role for matrix trimerization in HIV-1 envelope glycoprotein incorporation." Proceedings of the National Academy of Sciences 113, no. 2 (2015): E182—E190. http://dx.doi.org/10.1073/pnas.1516618113.

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The matrix (MA) domain of HIV Gag has important functions in directing the trafficking of Gag to sites of assembly and mediating the incorporation of the envelope glycoprotein (Env) into assembling particles. HIV-1 MA has been shown to form trimers in vitro; however, neither the presence nor the role of MA trimers has been documented in HIV-1 virions. We developed a cross-linking strategy to reveal MA trimers in virions of replication-competent HIV-1. By mutagenesis of trimer interface residues, we demonstrated a correlation between loss of MA trimerization and loss of Env incorporation. Addit
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Guo, Huaiming. "Dimerization, trimerization and quantum pumping." Physics Letters A 378, no. 18-19 (2014): 1316–20. http://dx.doi.org/10.1016/j.physleta.2014.03.007.

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Kopp, Mike R., Thomas Kräuter, Anahita Dashti-Mommertz, and Bernhard Neumüller. "Trimethylgallium-Induced Trimerization of Acetonitrile." Organometallics 17, no. 19 (1998): 4226–31. http://dx.doi.org/10.1021/om980354n.

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Dissertations / Theses on the topic "Trimerization"

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Snellman, A. (Anne). "Characterization of chain association in collagen types XII and XIII and other biochemical features of type XIII collagen using baculovirus-directed insect cell expression." Doctoral thesis, University of Oulu, 2000. http://urn.fi/urn:isbn:9514257464.

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Abstract Type XII minicollagen chain association was studied using baculovirus-directed insect cell expression. Since insect cells contain low endogenous prolyl 4-hydroxylase activity, the mechanism of the effect of prolyl hydroxylation on trimer formation in this collagen could be studied directly by adding recombinant baculoviruses directing the synthesis of prolyl 4-hydroxylase. Prolyl 4-hydroxylase was shown to be involved in the trimeric assembly process of type XII collagen through its α subunit, and thus through its hydroxylase activity. The transmembrane protein type XIII collagen was
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Albahily, Khalid. "Study of the Factors Affecting the Selectivity of Catalytic Ethylene Oligomerization." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20088.

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Over the past decade, advances in ethylene oligomerization have witnessed explosive growth of interest from both commercial and academic standpoint, with chromium metal invariably being the metal of preference. A common feature in this literature was the extended long debate regarding the mechanism, metal oxidation states responsible for selectivity and the role of the ligand. This thesis work embarked on the isolation and characterization of new active intermediates called “single component catalysts” (or self activating) to address two important questions: (1) how the catalyst precursors re-
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Gregori, Bernhard [Verfasser]. "3d-Metal catalyzed reductive transformations and isomerizations: hydrogenation of unsaturated compounds and trimerization of alkynes / Bernhard Gregori." Hamburg : Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky, 2021. http://d-nb.info/1237817188/34.

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Thapa, Indira. "The Challenge of Selectivity in Ethylene Oligomerization: Ligand Design and Metal Valence States." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23188.

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Catalytic ethylene oligomerization is a well understood industrially viable process. The large majority of scientific literature and patents concerning this process has been developed with the use of chromium catalysts. Commercial systems producing selective tri/tetramerization, non-selective oligomerization and polymerization are all based on this metal with the exception of a few systems based on other transition metals (Zr, Ti, Ni etc.). This versatility raises interesting questions about chromium’s unique behaviour. Essentially, selective or non-selective oligomerization and polymerization
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Siebert, Max [Verfasser], and Oliver [Akademischer Betreuer] Trapp. "Optimization of the selective ruthenium-catalyzed carbon dioxide reduction to dimethoxymethane and mechanistic investigation into the acetate-initiated catalytic trimerization of aliphatic isocyanates / Max Siebert ; Betreuer: Oliver Trapp." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2020. http://d-nb.info/1216039437/34.

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Kwon, Doo Hyun. "Computational Design and Analysis of Molecular Ethylene Oligomerization Catalysts." BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/8551.

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Linear alpha olefins (LAOs) are key petrochemical precursors for the synthesis of larger polymers, detergents, plasticizers, and lubricants. Most catalytic ethylene oligomerization processes generate a wide distribution of LAO carbon chain lengths. A major ongoing industrial challenge is to develop homogeneous catalysts that result in selective and tunable ethylene oligomerization to 1-hexene and 1-octene alkenes. Quantum mechanical calculations coupled with rapidly advancing technology have enabled the ability to calculate small molecule systems with high accuracy. Employing computational mod
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Cordier, Astrid. "Oligomerization and polymerization of ethylene by phenoxy-imine titanium catalysts." Thesis, Lyon, 2019. https://n2t.net/ark:/47881/m64q7tb8.

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L’hexène-1 est une des oléfines les plus importantes puisqu’elle est principalement utilisée comme comonomère pour la production de polyethylenes (HDPE, LLDPE), matériaux aux diverses applications à l’échelle mondiale. Dans le domaine de la trimérisation sélective de l’éthylène par voie catalytique, quelques complexes de titane portant un ligand phenoxy-imine tridente (SFI) et activé par le méthylaluminoxane (MAO) sont les plus actifs et sélectifs parmi les systèmes au titane. Néanmoins, la polymérisation de l’éthylène est une réaction secondaire inhérente à ces systèmes. Même si cette product
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Shaikh, Yacoob. "Towards Selective Ethylene Tetramerization." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23161.

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There is an increasing trend towards advancing the understanding and development of ethylene oligomerization catalysts, both in academia and industry. The metal of choice in this chemistry is invariably chromium, which has shown great versatility in selective trimerization/tetramerization, non-selective oligomerization and polymerization of ethylene. While much success has been achieved in ethylene trimerization, the same con not be said about tetramerization catalysis. Aminophosphine based ligands have demonstrated their ability towards selective 1-octene production, however, the popular PNP
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Yang-Jun-Nam and 楊俊南. "A Novel Organotungsten Lewis Acid and Catalytic Aldehyde Trimerization Reactions." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/41974465954583217196.

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碩士<br>國立中正大學<br>化學研究所<br>92<br>Abstract The research goal of this thesis is to study organometallic Lewis acids catalyzed aldehyde trimerization reactions under various conditions. As for the green chemistry concern, our strategies are to design processes to shorten reaction time, to increase product yields, to cut down energy usage, and to reduce chemical wastes. The precursor [A(2-py3)]M(CO)3 (A = P, OP, M=W, Mo) can be prepared in one pot in several minutes under microwave irradiation conditions. The method gave high purity products in exclusive yields without further
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Chen, Hui-Chuan, and 陳慧娟. "Photofrin® induces covalent dimerization / trimerization of caspase-3 and modulates anticancer drug-triggered cell death." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/63807272332702139797.

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碩士<br>長庚大學<br>基礎醫學研究所<br>92<br>Photofrin® is the first generation photosensitizer for photodynamic therapy (PDT), which is approved for treatment of cancer and some other diseases. Previous work from our laboratory indicated that PDT with Photofrin® targeting to distinct subcellular site results in different death phenotypes of A431 cells (Hsieh et al., 2003). Following that study, we found that Photofrin® induced formation of the two high-molecular- weight (HMW) forms of caspase-3 in various human cell lines. Photofrin® induces the formation of two HMW forms of caspase-3 is dose- and time-dep
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Book chapters on the topic "Trimerization"

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Papanikolopoulou, Katerina, Mark J. Raaij, and Anna Mitraki. "Creation of Hybrid Nanorods From Sequences of Natural Trimeric Fibrous Proteins Using the Fibritin Trimerization Motif." In Methods in Molecular Biology™. Humana Press, 2008. http://dx.doi.org/10.1007/978-1-59745-480-3_2.

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von Angerer, S. "Trimerization of Nitriles." In Six-Membered Hetarenes with Two Unlike or More than Two Heteroatoms and Fully Unsaturated Larger-Ring Heterocycles. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-017-00733.

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von Angerer, S. "Trimerization of Imidates." In Six-Membered Hetarenes with Two Unlike or More than Two Heteroatoms and Fully Unsaturated Larger-Ring Heterocycles. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-017-00744.

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von Angerer, S. "Trimerization of Amidines." In Six-Membered Hetarenes with Two Unlike or More than Two Heteroatoms and Fully Unsaturated Larger-Ring Heterocycles. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-017-00745.

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von Angerer, S. "Trimerization of Urea." In Six-Membered Hetarenes with Two Unlike or More than Two Heteroatoms and Fully Unsaturated Larger-Ring Heterocycles. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-017-00746.

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Aggarwal, P., and M. W. P. Bebbington. "Trimerization of Imidates." In Six-Membered Hetarenes with Two Unlike or More than Two Heteroatoms and Fully Unsaturated Larger-Ring Heterocycles. Georg Thieme Verlag KG, 2012. http://dx.doi.org/10.1055/sos-sd-117-00301.

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von Angerer, S. "Trimerization of Nitriles." In Science of Synthesis Knowledge Updates KU 2011/1. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-116-00095.

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Ito, S., and N. Morita. "Trimerization of Alkynes." In Monocyclic Arenes, Quasiarenes, and Annulenes. Georg Thieme Verlag KG, 2010. http://dx.doi.org/10.1055/sos-sd-045-00401.

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Waldvogel, S. R., and N. Welschoff. "Trimerization of Catechol Ketals." In Monocyclic Arenes, Quasiarenes, and Annulenes. Georg Thieme Verlag KG, 2010. http://dx.doi.org/10.1055/sos-sd-045-01249.

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Waldvogel, S. R., and N. Welschoff. "Aldol Trimerization of Cyclohexanones." In Monocyclic Arenes, Quasiarenes, and Annulenes. Georg Thieme Verlag KG, 2010. http://dx.doi.org/10.1055/sos-sd-045-01262.

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Conference papers on the topic "Trimerization"

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Nadykto, A. B., K. M. Nazarenko, M. V. Jakovleva, L. A. Uvarova, and F. Yu. "H2O–mediated trimerization of H2SO4: A computational study and comparison with experimental data." In INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS 2015 (ICNAAM 2015). Author(s), 2016. http://dx.doi.org/10.1063/1.4951860.

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