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  • Articles: DFG German National Licenses  (5)
  • 1990-1994  (5)
Source
  • Articles: DFG German National Licenses  (5)
Material
Years
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    The Protein Kinase C Family for Neuronal Signaling (1994)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Neuroscience 17 (1994), S. 551-567 
    Details
    ISSN: 0147-006X
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.ne.17.030194.003003
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Calculation of magnetic moments in Ho2C3 nanocrystals : The 6th joint magnetism and magnetic materials (MMM)-intermag conference (1994)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 76 (1994), S. 6307-6309 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A general approach to the computation of effective magnetic moments in rare-earth carbides is described, and details of this calculation for Ho3+ ions in Ho2C3 are presented. This calculation is designed to explain the reduced magnetic moments, relative to free ion values, measured by dc SQUID magnetometry for Ho2C3 nanocrystals. Crystal-field splittings of the rare-earth ion in a particular symmetry site are determined by the operator equivalent method. Using the eigenvalues and eigenfunctions of the crystal-field Hamiltonian, the effective magnetic moment is then determined. For Ho3+ ions in Ho2C3, this method predicts a reduced magnetic moment, but the degree of reduction depends on the energy-level splittings and, therefore, the temperature. This magnetic moment is compared with previous experimental results, and the implications of the formal carbon charge, screening, and temperature are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.358535
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Structural study of aldose reductase inhibitors. Ten oxazolecarbamate derivatives (1991)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 47 (1991), S. 806-813 
    Details
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108768191005554
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    High-affinity specific [3H]tamsulosin binding to α1 in human prostates with benign prostatic hypertrophy (1994)
    Springer
    Urological research 22 (1994), S. 273-278 
    Details
    ISSN: 1434-0879
    Keywords: [3H]Tamsulosin ; Radioreceptor assay ; Human prostates ; α1-antagonists
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The binding of a novel radioligand, [3H]tamsulosin, to human prostatic membranes with benign prostatic hypertrophy (BPH) has been characterized. [3H]Tamsulosin rapidly associated with its binding sites in human prostatic membranes with BPH, and the binding reached steady state by 30 min at 25°C. The rate constants for association and dissociation of [3H]tamsulosin binding were calculated to be 0.21±0.05/nM per minute and 0.01±0.004/min, respectively. The specific binding of [3H]tamsulosin in human prostatic membranes was saturable and of high affinity (K d=0.04±0.01 nM). The density of [3H]tamsulosin-binding sites (B max) was 409±28 fmol/mg protein. The K d and B max values for [3H]tamsulosin binding in human prostates were significantly lower than those for [3H]prazosin binding. [3H]tamsulosin binding was remarkable for its significantly lower degree of nonspecific binding. Six α-adrenoceptor antagonists competed with [3H]tamsulosin for the binding sites in the rank order: tamsulosin〉WB4101〉prazosin〉S-(+)-isomer〉naftopidil〉yohimbine. The binding affinities (pKi) of these antagonists for [3H]tamsulosin binding in human prostates closely correlated with their pharmacological potencies (pA2) in prostates. In conclusion, [3H]tamsulosin selectively labels α1-adrenoceptors in human prostates, and thus may become a useful radioligand for the further analysis of these receptors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00297194
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Growth and electric current flowing at the surface of stems (1990)
    Springer
    Protoplasma 154 (1990), S. 71-73 
    Details
    ISSN: 1615-6102
    Keywords: Growth ; Stems ; Electric current ; Higher plant ; Proton accumulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Effect of electric current flowing at the surface of stem of bean (Phaseolus angularis) on the growth was studied using an electric isolation between the elongation and mature regions. The growth was retarded by the electric isolation because of change in pH distribution around the stem, associated with decreasing surface electric current. Electric current flowing at the surface between the elongation and mature regions is important for the growth of stems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01539833
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    Paper (German National Licenses)
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