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  • 1975-1979  (18)
  • 1965-1969  (7)
  • 1925-1929  (4)
  • 1910-1914  (1)
  • 1
    Electronic Resource
    Electronic Resource
    TAURINE UPTAKE IN SYNAPTOSOMAL FRACTIONS OF RAT CEREBRAL CORTEX (1975)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 25 (1975), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract— [35S]Taurine was found to be accumulated in synaptosomal fractions of rat cerebral cortex. Kinetic analysis in the range of 1–800 μm-[35S]taurine revealed at least two different uptake processes. A high affinity uptake with a Km of 20 μM and a low affinity uptake with a Km of about 450 μM. The high affinity component was dependent on temperature and energy, and virtually abolished in the absence of sodium. Examination of the influence of structural analogues and putative transmitter substances indicates that the high affinity uptake of taurine into synaptosomal fractions of rat cerebral cortex is unique and highly specific. No specific actions of several centrally acting drugs on taurine uptake could be observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1975.tb07686.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    THE ENZYMATIC FORMATION OF BILIRUBIN (1975)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 244 (1975), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1975.tb41553.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Correlation of solvent effects on rates of solvolysis and SN2 reactions (1978)
    s.l. : American Chemical Society
    The @journal of organic chemistry 43 (1978), S. 1843-1854 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo00404a001
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Über einige Sulfidfluoride der Seltenen Erden (1965)
    Springer
    Naturwissenschaften 52 (1965), S. 475-475 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00626236
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    The structure of trisodium hydrogensilicate dihydrate (1979)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 35 (1979), S. 3024-3027 
    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/S0567740879011225
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    A mathematical model of the optokinetic reflex (1979)
    Springer
    Biological cybernetics 34 (1979), S. 215-225 
    Details
    ISSN: 1432-0770
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Computer Science , Physics
    Notes: Abstract The role of the optokinetic reflex (OKR) is that of cooperating with the vestibulo-ocular reflex (VOR) in the task of image stabilization on the retina during head rotations in a stationary visual surround. Since the dynamics of VOR was already well established, it has been possible to make a broad estimation of what the dynamics of OKR should be in order to obtain the performances observed in normal subjects. A mathematical model of OKR has been presented, and the experimental results obtained by Raphan et al. (1977) in the monkey and by Collins et al. (1970) in man were used to validate the model and to obtain a precise estimation of its parameters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00337428
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Interaction of Bilirubin with Albumin (1965)
    [s.l.] : Nature Publishing Group
    Nature 206 (1965), S. 1041-1043 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] 'Sephadex' gel-filtration was used to separate albumin; bound bilirubin from unbound pigment; the bilirubin?albumin complex passed through the gel rapidly, while the smaller molecules of unbound pigment remained on the column. Therefore, the maximum binding capacity of the protein could be ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2061041b0
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  • 8
    Electronic Resource
    Electronic Resource
    Vestibular habituation to angular velocity steps in the cat (1976)
    Springer
    Biological cybernetics 22 (1976), S. 39-48 
    Details
    ISSN: 1432-0770
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Computer Science , Physics
    Notes: Abstract Vestibular habituation was investigated in 6 adult cats submitted to repetitive alternating velocity steps (160°/sec). The progressive change of the nystagmic response was examined by constructing the diagrams of the slow cumulative eye position and slow phase eye velocity; then it was quantified by evaluating some characteristic parameters of these diagrams. Both acquisition during the series of stimulations delivered in the same day and retention after a rest period of one or four days were clearly observed. The experimental results were explained in terms of a mathematical model of the vestibulo-cerebellar interaction. The validity of the model was assessed by the results of simulation experiments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00340231
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    On the predominance of anti-compensatory eye movements in vestibular nystagmus (1976)
    Springer
    Biological cybernetics 23 (1976), S. 135-148 
    Details
    ISSN: 1432-0770
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Computer Science , Physics
    Notes: Abstract The predominance of anti-compensatory eye movements in vestibular nystagmus recorded during sinusoidal and post-rotational tests is interpreted in terms of a mathematical model of the vestibulo-ocular system. Namely, a direct pathway between the vestibular nuclei and the saccadic mechanism is assumed. In the range of frequencies of natural head movements this pathway carries on a signal proportional to head angular velocity. Therefore, during active head movements the saccadic mechanism is forced to produce quick eye rotations in the direction of head movement and, thus, to cooperate in the task of picking up visual targets outside the visual field. During passive head movements giving rise to nystagmus the assumed pathway contributes to reduce the error in eye resetting due to the saccadic delay. Analytical considerations and simulation results seem to prove the adequacy of the proposed model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00344745
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  • 10
    Electronic Resource
    Electronic Resource
    Activity-composition relationships for pyrope-grossular garnet (1975)
    Springer
    Contributions to mineralogy and petrology 51 (1975), S. 161-166 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Activity coefficients (γ) for grossular in pyrope-grossular garnet have been determined experimentally using the divariant assemblage garnet-anorthite-sillimanite (kyanite)-quartz. Values of γ for garnets with 10–12 mole % grossular have been obtained at 1000 °, 1100 °, 1200 ° and 1300 ° C at pressures between 15 and 21 Kb. The data are consistent with a symmetrical regular solid model for grossular-pyrope solid solutions. The interaction parameter (W) increases linearly with decreasing temperature and is given by W = 7460-4.3 T cals (T in °K). A solvus in the pyrope-grossular solid solution is predicted with a temperature of critical mixing of 629°C±90 ° C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00372076
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