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  • 2000-2004  (1)
  • 1945-1949  (2)
  • 2002  (1)
  • 1949  (1)
  • 1948  (1)
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  • 2000-2004  (1)
  • 1945-1949  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    PREPARATION OF THE CHLOROTOLUQUINONES (1948)
    s.l. : American Chemical Society
    The @journal of organic chemistry 13 (1948), S. 403-408 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo01161a014
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    THE PREPARATION OF CYCLOBUTANECARBOXYLIC ACID (1949)
    s.l. : American Chemical Society
    The @journal of organic chemistry 14 (1949), S. 1036-1038 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo01158a011
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Calbindin neurons in the hamster suprachiasmatic nucleus do not exhibit a circadian variation in spontaneous firing rate (2002)
    Oxford, UK : Blackwell Science, Ltd
    European journal of neuroscience 16 (2002), S. 0 
    Details
    ISSN: 1460-9568
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The role of the mammalian suprachiasmatic nuclei (SCN) in generating circadian rhythms in behaviours and other physiological processes is well established. A prominent feature of SCN neurons is the circadian oscillation in action potential firing frequency, with a peak near midday. A subset of calbindin-immunoreactive (CB+) neurons form a compact subnucleus (CBsn) in the hamster SCN. Restoration of rhythmicity using fetal SCN grafts in SCN-lesioned hamsters is critically dependent upon the presence of CB+ neurons within the transplanted grafts [LeSauter & Silver (1999) J. Neurosci., 5574–5585]. The aim of the current study was to determine whether CB+ neurons within the CBsn of the hamster SCN fire action potentials in a circadian pattern as part of their output signal. Using patch-clamp recording, we demonstrated that CB+ neurons in the CBsn do not express a circadian rhythm in spontaneous firing frequency under diurnal conditions in vitro. Furthermore, the percentage of silent CB– cells varies with zeitgeber time, whereas the percentage of silent CB+ cells does not. Immunohistochemical analysis revealed that the CBsn is a nonhomogeneous nucleus, containing many more CB– than CB+ cells. Our results reveal that CB+ neurons within the CBsn represent a functionally distinct neuronal subpopulation in which rhythmic action potential output may not be necessary for the restoration of behavioural circadian rhythmicity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1460-9568.2002.02309.x
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    Paper (German National Licenses)
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