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  • Metals and Metallic Materials  (6)
  • sunflower  (4)
  • Beyond the standard model  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    In vitro oleate desaturase in developing sunflower seeds
    Amsterdam : Elsevier
    Phytochemistry 30 (1991), S. 2127-2130 
    Details
    ISSN: 0031-9422
    Keywords: Compositae ; Helianthus annuus ; high oleic mutant ; microsomes ; oleate desaturase ; seeds ; sunflower ; temperature control.
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(91)83599-G
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Lipid characterization in seeds of a high oleic acid sunflower mutant
    Amsterdam : Elsevier
    Phytochemistry 28 (1989), S. 2597-2600 
    Details
    ISSN: 0031-9422
    Keywords: Compositae ; Helianthus annuus ; fatty acid composition ; high oleic acid mutant. ; lipids ; seeds ; sunflower
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/S0031-9422(00)98047-6
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Genetic analysis of the high oleic acid content in cultivated sunflower (Helianthus annuus L.) (1989)
    Springer
    Euphytica 41 (1989), S. 39-51 
    Details
    ISSN: 1573-5060
    Keywords: Helianthus annuus ; sunflower ; oleic acid content ; linoleic acid content ; genetical analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Sunflower lines breeding true for very high oleic acid content in their oil (average levels higher than 85%) were crossed with standard sunflower lines with mean oleic acid levels of 30%. Analysis of the oil of F1 seeds indicated dominance for high oleic levels and control of the genotype of the embryo. Segregating generations were obtained selfing heterozygous high oleic BCnF1 plants from several generations of a backcrossing program to incorporate the high oleic character to standard inbred lines and testcrossing these plants to low oleic material. Analysis of F2 and testcrossed seeds showed three kind of segregations, in both F2 and testcrossed populations, with different proportions of low, intermediate and high oleic types. Genetic analysis of these data supported the hypothesis, that the high oleic character is controlled by three dominant complementary genes OL1, OL2 and OL3. Additional data showing F1 seeds with intermediate oleic content and segregations for high oleic in progenies of intermediate types, suggest the presence of major factors modifying high oleic acid content.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00022409
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Sunflower mutant containing high levels of palmitic acid in high oleic background (1997)
    Springer
    Euphytica 97 (1997), S. 113-116 
    Details
    ISSN: 1573-5060
    Keywords: Helianthus annuus ; fatty acids ; palmitic acid ; X-ray mutagenesis ; seed oil ; sunflower
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A new sunflower mutant, CAS-12, was obtained, which has both high palmitic (≈30%) and high oleic acid contents, and also a substantial amount of palmitoleic acid (≈7%). The mutant was selected after X-ray irradiation of dry seeds of the inbred line BSD-2-423, which had normal palmitic (≈3%) and high oleic (≈88%) acid levels. The increase of palmitic and palmitoleic acids occurred at the expense of the oleic acid content, which decreased to around 55% in respect to the original line. Linoleic acid content is always under 5%. Palmitic and palmitoleic acid levels were similar to those of the high palmitic mutant CAS-5 obtained in a previous programme from a low oleic line isogenic to BSD-2-423 using a similar mutagenic treatment. In that previous programme we also selected three high stearic acid mutants using chemical mutagenic treatment on the same sunflower line (RDF-1-532). We attempted to obtain mutants in other lines but were unsuccessful. The isolation of similar mutants in isogenic parental lines illustrates the importance of the genetic background in the development of specific mutants with an altered seed oil fatty acid composition. The oil of this mutant will increase the range of potential uses of sunflower oil.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1003045726610
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  • 5
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    Exploring NSI degeneracies in long-baseline experiments (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-08-22
    Description: Author(s): L. J. Flores, E. A. Garcés, and O. G. Miranda One of the main purposes of long-baseline neutrino experiments is to unambiguously measure the C P violating phase in the neutrino sector within the three neutrino oscillation picture. In the presence of physics beyond the Standard Model, the determination of the C P phase will be more difficult, due ... [Phys. Rev. D 98, 035030] Published Tue Aug 21, 2018
    Keywords: Beyond the standard model
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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  • 6
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    SM Higgs boson and $t→cZ$ decays in the 2HDM type III with $CP$ violation (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-08-22
    Description: Author(s): R. Martinez, R. Gaitán, J. H. Montes de Oca, and E. A. Garcés We compute the contributions to rare top decays t → c Z and t → c h 1 from the scalar sector in the two Higgs doublet model type III with C P violation, where h 1 is the Standard Model Higgs boson. The branching ratios for BR ( t → c Z ) and BR ( t → c h 1 ) are obtained as a function of the model parameters. In particul... [Phys. Rev. D 98, 035031] Published Tue Aug 21, 2018
    Keywords: Beyond the standard model
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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  • 7
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    Alloy Interface Interdiffusion Modeled (2003)
    In:  CASI
    Details
    Publication Date: 2018-06-05
    Description: With renewed interest in developing nuclear-powered deep space probes, attention will return to improving the metallurgical processing of potential nuclear fuels so that they remain dimensionally stable over the years required for a successful mission. Previous work on fuel alloys at the NASA Glenn Research Center was primarily empirical, with virtually no continuing research. Even when empirical studies are exacting, they often fail to provide enough insight to guide future research efforts. In addition, from a fundamental theoretical standpoint, the actinide metals (which include materials used for nuclear fuels) pose a severe challenge to modern electronic-structure theory. Recent advances in quantum approximate atomistic modeling, coupled with first-principles derivation of needed input parameters, can help researchers develop new alloys for nuclear propulsion.
    Keywords: Metals and Metallic Materials
    Type: Research and Technology 2002; NASA/TM-2003-211990
    Format: application/pdf
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  • 8
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    Growth of Pt/Cu(100): An Atomistic Modeling Comparison with the Pd/Cu(100) Surface Alloy (2002)
    In:  CASI
    Details
    Publication Date: 2019-07-10
    Description: The Bozzolo, Ferrante, and Smith (BFS) method for alloys is applied to the study of Pt deposition on Cu(100). The formation of a Cu-Pt surface alloy is discussed within the framework of previous results for Pd/Cu(100). In spite of the fact that both Pd and Pt share the same basic behavior when deposited on Cu, it is seen that subtle differences become responsible for the differences in growth observed at higher cover-ages. In agreement with experiment, all the main features of Pt/Cu(100) and Pd/Cu(100) are obtained by means of a simple modeling scheme, and explained in terms of a few basic ingredients that emerge from the BFS analysis.
    Keywords: Metals and Metallic Materials
    Type: E-13821
    Format: application/pdf
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  • 9
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    Atomistic Modeling of Surface and Bulk Properties of Cu, Pd and the Cu-Pd System (2002)
    In:  CASI
    Details
    Publication Date: 2019-07-10
    Description: The BFS (Bozzolo-Ferrante-Smith) method for alloys is applied to the study of the Cu-Pd system. A variety of issues are analyzed and discussed, including the properties of pure Cu or Pd crystals (surface energies, surface relaxations), Pd/Cu and Cu/Pd surface alloys, segregation of Pd (or Cu) in Cu (or Pd), concentration dependence of the lattice parameter of the high temperature fcc CuPd solid solution, the formation and properties of low temperature ordered phases, and order-disorder transition temperatures. Emphasis is made on the ability of the method to describe these properties on the basis of a minimum set of BFS universal parameters that uniquely characterize the Cu-Pd system.
    Keywords: Metals and Metallic Materials
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  • 10
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    Atomistic Modeling of Nanostructures via the BFS Quantum Approximate Method (2003)
    In:  CASI
    Details
    Publication Date: 2019-07-10
    Description: Ideally, computational modeling techniques for nanoscopic physics would be able to perform free of limitations on the type and number of elements, while providing comparable accuracy when dealing with bulk or surface problems. Computational efficiency is also desirable, if not mandatory, for properly dealing with the complexity of typical nano-strucured systems. A quantum approximate technique, the BFS method for alloys, which attempts to meet these demands, is introduced for the calculation of the energetics of nanostructures. The versatility of the technique is demonstrated through analysis of diverse systems, including multi-phase precipitation in a five element Ni-Al-Ti-Cr-Cu alloy and the formation of mixed composition Co-Cu islands on a metallic Cu(III) substrate.
    Keywords: Metals and Metallic Materials
    Format: text
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