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  • Articles: DFG German National Licenses  (3)
  • 1995-1999  (3)
  • CO/O2 discrimination  (1)
  • Curing  (1)
  • PACS. 74.20.Fg BCS theory and its development - 74.72.-h High- compounds  (1)
Source
  • Articles: DFG German National Licenses  (3)
Material
Years
  • 1995-1999  (3)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Universal scaling in BCS superconductivity in three dimensions in non-s waves (1998)
    Springer
    The European physical journal 2 (1998), S. 31-36 
    Details
    ISSN: 1434-6036
    Keywords: PACS. 74.20.Fg BCS theory and its development - 74.72.-h High- compounds
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: The solutions of a renormalized BCS equation are studied in three space dimensions in s, p and d waves for finite-range separable potentials in the weak to medium coupling region. In the weak-coupling limit, the present BCS model yields a small coherence length and a large critical temperature, , appropriate for some high- materials. The BCS gap, , and specific heat as a function of zero-temperature condensation energy are found to exhibit potential-independent universal scalings. The entropy, specific heat, spin susceptibility and penetration depth as a function of temperature exhibit universal scaling below in p and d waves.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100510050222
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Deformability of Fe(II)CO and Fe(III)CN groups in heme protein models: nonlocal density functional theory calculations (1997)
    Springer
    JBIC 2 (1997), S. 526-530 
    Details
    ISSN: 1432-1327
    Keywords: Key words Myoglobin ; Carbonmonoxyheme ; Density functional theory ; Tilting/bending energetics ; CO/O2 discrimination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract  High-quality nonlocal density functional calculations have been carried out on the deformability of Fe(II)CO and Fe(III)CN units in model compounds of heme proteins. The results confirm our previous finding with a local functional that the Fe(II)CO unit is significantly deformable with respect to tilting and bending. This deformability stems in large part from a large, negative interaction constant between the FeC tilt and FeCO bend coordinates. The Fe(III)CN unit is also significantly deformable, but in this case the deformability results from a very small Fe(III)CN bend force constant and the ability of the cyano nitrogen to act as a hydrogen bond acceptor. The prediction that the energetic penalty associated with deforming the Fe(II)CO unit is relatively modest indicates that such deformations are unlikely to be the dominant contributor to myoglobin's discrimation against CO in favor of O2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007750050166
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Regulation of cell-wall morphology and growth encoded by plasmids in Shigella dysenteriae type 1 (1995)
    Springer
    World journal of microbiology and biotechnology 11 (1995), S. 280-283 
    Details
    ISSN: 1573-0972
    Keywords: Curing ; electron microscopy ; outer membrane ; plasmids ; SDS-PAGE ; Shigella dysenteriae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract Shigella dysenteriae type 1, isolated locally, was found to contain six plasmids and these could be eliminated using SDS. A 70-kb plasmid was necessary to maintain the normal cell-wall morphology. Synthesis of nine major membrane proteins (90 to 40 kDa) was severely impaired in all-plasmid cured strains. Electron microscopy revealed a prominent separation between the outer and inner membranes of the cured strains, indicating that plasmid loss led to defects in the cell envelope. The growth rates of the strains having only the 70-kb plasmid and the plasmidless strain were 3- to 30-fold less than in the wild type strain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00367098
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    Paper (German National Licenses)
    Fulltext
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