133 resultados para Edda Snorra Sturlusonar.
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Mode of access: Internet.
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No more published.
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Publisher's imprint varies.
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Snorra-eddasvo-kl̈lud: Formáli. Gylfa-ginning. Bragarædur Epitirmáli.--Skádda: Kenningar. Okend helti. Fornöfn. Bragarhættir.--Málslistarrit: Latinu stafroñð. Málslistarrinnar grundvölir. Figúrur i ræunni. Viðrauki útgefarans.--Registur.
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The binding selectivity of the M(phen)(edda) (M = Cu, Co, Ni, Zn; phen = 1,10-phenanthroline, edda = ethylenediaminediacetic acid) complexes towards ds(CG)(6), ds(AT)(6) and ds(CGCGAATTCGCG) B-form oligonucleotide duplexes were studied by CD spectroscopy and molecular modeling. The binding mode is intercalation and there is selectivity towards AT-sequence and stacking preference for A/A parallel or diagonal adjacent base steps in their intercalation. The nucleolytic properties of these complexes were investigated and the factors affecting the extent of cleavage were determined to be: concentration of complex, the nature of metal(11) ion, type of buffer, pH of buffer, incubation time, incubation temperature, and the presence of hydrogen peroxide or ascorbic acid as exogenous reagents. The fluorescence property of these complexes and its origin were also investigated. The crystal structure of the Zn(phen)(edda) complex is reported in which the zinc atom displays a distorted trans-N4O2 octahedral geometry; the crystal packing features double layers of complex molecules held together by extensive hydrogen bonding that inter-digitate with adjacent double layers via pi...pi interactions between 1,10-phenanthroline residues. The structure is compared with that of the recently described copper(II) analogue and, with the latter, included in molecular modeling. (C) 2008 Elsevier B.V. All rights reserved.
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Signatur des Originals: S 36/F02190
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Mode of access: Internet.
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Editors: 1914- Gerhard Gran, Francis Bull.
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Includes index.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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"Errors and corrections": slip inserted before half-title.
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Issued in two fascicles.