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  • 1
    Electronic Resource
    Electronic Resource
    Hypothalamic histamine modulates adaptive behavior of rats at high environmental temperature (1990)
    Springer
    Cellular and molecular life sciences 46 (1990), S. 283-285 
    Details
    ISSN: 1420-9071
    Keywords: Histamine ; hypothalamus ; environmental temperature ; adaptive behavior
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Histamine content in the rat hypothalamus was lower at 4°C and higher at 31°C compared to that at 21°C. Pretreatment with α-fluoromethylhistidine, a ‘suicide’ inhibitor of histidine decarboxylase, attenuated both the increased level of hypothalamic histamine and rat adaptive behavior at 31°C. Increase of histamine content in the hypothalamus appears to be an important factor contributing to rat adaptive behavior to high environmental temperature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01951767
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  • 2
    Electronic Resource
    Electronic Resource
    In vivo release of neuronal histamine in the hypothalamus of rats measured by microdialysis (1991)
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 343 (1991), S. 190-195 
    Details
    ISSN: 1432-1912
    Keywords: Histamine ; Neurotransmitter release ; Microdialysis ; α-Fluoromethylhistidine ; Thioperamide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Using an in vivo intracerebral microdialysis method coupled with an HPLC-fluorometric method, we investigated the extracellular level of endogenous histamine in the anterior hypothalamic area of urethaneanaesthetized rats. The basal rate of release of endogenous histamine in the anterior hypothalamic area measured by this method was 0.09 + 0.01 pmol/20 min. When the anterior hypothalamic area was depolarized by infusion of 100 mM K+ through the dialysis membrane or electrical stimulation at 200 μ A was applied through an electrode implanted into the ipsilateral tuberomammillary nucleus, histamine release increased to 175% and 188%, respectively, of the basal level. These increases were completely suppressed by removal of extracellular Ca2+. The basal release of histamine was also suppressed after infusion of 10−6 M tetrodotoxin or i.p. administration of 100 mg/kg of α-fluoromethylhistidine. On the other hand, 3-fold increase in the basal release was observed after i. p. administration of 5 mg/kg thioperamide. These results clearly indicate that both the basal and evoked release of histamine measured by our method are of neuronal origin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00168609
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  • 3
    Electronic Resource
    Electronic Resource
    Immunohistochemical demonstration of histamine N-methyltransferase-like structures in rat kidney (1986)
    Springer
    Cell & tissue research 243 (1986), S. 681-684 
    Details
    ISSN: 1432-0878
    Keywords: Histamine ; Histamine N-methyltransferase ; Immunohistochemistry ; Kidney ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Histamine N-methyltransferase (S-adenosylmethionine: histamine N-methyltransferase, E.C. 2.1.1.8) was purified to homogeneity from rat kidney, and antibody was raised against it in guinea pigs. The antibody immunoprecipitated histamine N-methyltransferase. Immunofluorescent histochemical studies with anti-histamine N-methyltransferase antibody as the first antibody and goat antiguinea pig IgG conjugated with fluorescein isothiocyanate as the second, showed the presence of immunoreactive structures in the proximal tubules of rat kidney. The brain showed no immunoreaction with the antibody.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00218079
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  • 4
    Electronic Resource
    Electronic Resource
    Zum Polymorphismus zwischen Greigit und Smythit (Fe3S4) (1972)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 392 (1972), S. 191-192 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the polymorphic relation between Greigite and Smythite (Fe3S4)Cubic greigite Fe3S4 is elongated along its[111] axis in an electrostatic field. The distorted lattice thus formed corresponds to the hexagonal smythite. Greigite as well as smythite remain stable only in a state of fine crystallites (grain size: about 300 Å). On trying to grow up these crystallites, both of them transform into the coarse by granular pyrrhotite (about 1000 Å).
    Notes: In einem elektrostatischen Feld dehnt sich der kubische Greigit Fe3S4 nach der [111]-Achse aus. Das auf diese Weise entstandene verzerrte Gitter entspricht dem des hexagonalen Smythites. Sowohl Greigit als auch Smythit sind nur im feinkristallinen Zustand (Korngröße: etwa 300 Å) beständig. Versucht man, sie wachsen zu lassen, dann wandeln sie sich beide in den grobkörnigen Magnetkies (etwa 1000 Å) um.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19723920212
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  • 5
    Electronic Resource
    Electronic Resource
    Bildung des ferromagnetischen Fe2S3 (1973)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 397 (1973), S. 222-224 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Formation of Ferromagnetic Fe2S3Fe2S3 belongs to the space group Fd3m of spinel type, possesses lattice size 9.87 Å, and shows ferromagnetism. It is formed by hydrothermal treatment of precipitated iron sulfide. Crystallographic analysis was carried out in referring to γ-Al2O3.
    Notes: Fe2S3, das zur Raumgruppe Fd3m vom Spinelltyp gehört (Gitterkonstante 9,87 Å) und ferromagnetisch ist, bildet sich durch hydrothermale Behandlung von gefälltem Eisensulfid. Die kristallographische Analyse (Elektronenbeugung) wurde durch Vergleich mit γ-Al2O3 durchgeführt.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19733970217
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  • 6
    Electronic Resource
    Electronic Resource
    Bildung von Fe3S4—FeS2 durch hydrothermale Reaktion (1970)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 377 (1970), S. 339-341 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: A mixture of Fe3S4 (greigite) and FeS2 (pyrite) is formed at 200°C on hydrothermal treatment of freshly precipitated iron sulphide. Its electron diffraction diagramm was recorded, which corresponded to an incomplete solid solution of Fe3S4 and FeS2. The surface and the interior of the spherical particles of the samples (size about 500 Å) consisted of Fe3S4 and FeS2, respectively.
    Notes: Ein Gemisch von Fe3S4 (Greigit) und FeS2 (Pyrit) bildet sich bei 200°C durch hydrothermale Behandlung von frisch gefälltem Eisensulfid. Aus dem Elektronenbeugungsdiagramm ist eine unvollkommene Mischkristallbildung von Fe3S4—FeS2 zu ersehen. Die Oberflächen der kugelförmigen Probeteilchen (Größe etwa 500 Å) bestanden aus Fe3S4 und das Innere aus FeS2.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19703770317
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  • 7
    Electronic Resource
    Electronic Resource
    Zur Gitterabmessung von Eisen-Thiospinell, Fe2S4 (1971)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 383 (1971), S. 109-111 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: A mechanical mixture of iron thiospinel and pyrrhotite was prepared on purpose by the hydrothermal process. On the diffraction pattern from this mixture the lattice size of iron thiospinel a0 = 9,875 ± 0,003 Å at about 40°C was determined in reference to that of pyrrhotite.
    Notes: Ein mechanisches Gemenge von Eisen-Thiospinell und Magnetkies wurde auf hydrothermalem Wege hergestellt. Aus dem Elektronenbeugungsbild dieses Gemenges wurde die Gitterabmessung von Eisen-Thiospinell zu a0 = 9,875 ± 0,003 ÅE bei ca. 40°C (bezogen auf die von Magnetkies) bestimmt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19713830114
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