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  • Articles: DFG German National Licenses  (9)
  • 1980-1984  (9)
  • 1
    Electronic Resource
    Electronic Resource
    Effects of adenosine 3′, 5′-cyclic monophosphate on thermoregulation in both rats and rabbits (1981)
    Springer
    Journal of neural transmission 51 (1981), S. 257-269 
    Details
    ISSN: 1435-1463
    Keywords: Thermoregulation ; db cyclic AMP ; hypothermia ; hyperthermia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The effects of intraventricular administration of dibutyryl adenosine 3′, 5′-cyclic monophosphate (db cyclic AMP) on the thermoregulatory responses of unanesthetized rats and rabbits to different ambient temperatures (Ta) were assessed. Administration of db cyclic AMP (10–60 mM) produced dose-dependent hypothermia in both rats and rabbits at Ta 2–22 °C. The hypothermia in response to db cyclic AMP was due to decreased metabolic heat production and cutaneous vasodilatation. There was no change in respiratory evaporative heat loss. In contrast, in the heat (30–32 °C), db cyclic AMP administration produced dose-dependent hyperthermia in these animals. The hyperthermia was due to increased metabolism (due to muscular shivering) and decreased heat losses. The reduction in heat losses was shown by a decrease in both cutaneous circulation and respiratory evaporative heat loss. The data demonstrate that the thermoregulatory responses induced by central administration of db cyclic AMP are Ta-dependent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01248957
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Activation of striatal dopamine receptors induces pain inhibition in rats (1981)
    Springer
    Journal of neural transmission 51 (1981), S. 213-222 
    Details
    ISSN: 1435-1463
    Keywords: Pain sensitivity ; substantia nigra ; corpus striatum ; dopamine ; apomorphine ; haloperidol ; 6-hydroxydopamine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In the rat, elevating dopamine content in corpus striatum with electrical stimulation of substantia nigra or direct administration of apomorphine (50–200μg) into the lateral cerebral ventricle or apomorphine (2–10μg) into the caudate-putamen complex decreased pain sensitivity (as shown by an increase in the latency to hind-paw lick in the hot plate test). Furthermore, the decreased pain sensitivity after the central administration of apomorphine was antagonized by pretreatment with haloperidol (a dopamine antagonist). On the other hand, lowering dopamine content in corpus striatum with electrolytic destruction of substantia nigra and 6-hydroxydopamine lesions to the substantia nigra, as well as direct injection of haloperidol into the lateral cerebral ventricle or caudate-putamen complex increased pain sensitivity. The data indicate that activation of striatal dopamine receptors in rat brain induces pain inhibition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01248953
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Blockade of nicotinic receptors in brain with d-tubocurarine induces decreased metabolism, cutaneous vasodilation and hypothermia in rats (1981)
    Springer
    Cellular and molecular life sciences 37 (1981), S. 986-988 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Direct administration of d-tubocurarine into the lateral cerebral ventricle of conscious rats produced decreased metabolism, cutaneous vasodilatation and hypothermia at ambient temperatures of 8–22°C. Also, pretreatment with d-tubocurarine antagonized the arecoline-induced hypothermia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01971795
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Lesions in the substantia nigra of rats induce thermoregulatory deficit in the cold (1981)
    Springer
    Cellular and molecular life sciences 37 (1981), S. 284-286 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Rats with either electrolytic or chemical (6-hydroxydopamine) lesions in the substantia nigra displayed decreased metabolism and hypothermia when they were exposed to cold (8 °C Ta), although they showed no deficiency in thermoregulation at both moderate (22 °C) and hot (30 °C) environmental temperatures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01991657
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Intraventricular administration of isoproterenol inhibits both heat production and heat loss mechanisms in rats (1980)
    Springer
    Cellular and molecular life sciences 36 (1980), S. 851-853 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary At an ambient temperature (Ta) of 8°C, intraventricular administration of isoproterenol inhibited metabolic heat production and led to hypothermia in rats. In contrast, at a Ta of 22°C and of 30°C, isoproterenol decreased cutaneous circulation and led to hyperthermia. The data indicate that isoproterenol inhibits both heat production and heat loss mechanisms in rats.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01978609
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Effects of thyrotrophic-releasing hormone (TRH) on thermoregulation in the rat (1980)
    Springer
    Cellular and molecular life sciences 36 (1980), S. 1077-1078 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary At ambient temperatures (Ta) of both 8 and 22°C, intraventricular administration of TRH (10–80 μg) produced a dose-dependent hypothermia in rats. The hypothermia was due to both decreased metabolic heat production and cutaneous vasodilatation. In contrast, at 30°C Ta, TRH increased metabolic heat production (due to behavioral excitation) and led to hyperthermia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01965979
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Effects of DL-propranolol on the thermoregulatory responses of rats at different ambient temperatures (1981)
    Springer
    Cellular and molecular life sciences 37 (1981), S. 370-371 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Direct administration of propranolol (100–400 μg) into the lateral cerebral ventricle of rats produced a dose-dependent hypothermia at ambient temperatures (Ta) of 8 and 22°C. The hypothermia was due to decreased metabolism and cutaneous vasodilation. The hypothermia induced by propranolol was antagonized by pretreatment with isoproterenol (50 μg).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01959868
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Effect of spraying nitrogen-fixing phyllospheric bacterial isolates on wheat plants (1981)
    Springer
    Plant and soil 61 (1981), S. 419-427 
    Details
    ISSN: 1573-5036
    Keywords: Bacterial spray ; Biofertilisers ; Diazotrophs ; Nitrogen fertiliser ; Phyllosphere ; Wheat yield
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Culture of two nitrogen-fixing bacteria (REN2 and JN1) isolated from rice and jute phyllospheres respectively, were sprayed on wheat plants as substitute for nitrogenous fertilisers. There was a marked improvement in yield and growth of the plants. An average increase in yield by 70% was obtained which was very near to that obtained by fertilizer treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02182022
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Thein vitro effect of some pesticides on the nitrogen fixing bacteria isolated from the phyllosphere of some crop plants (1984)
    Springer
    Plant and soil 80 (1984), S. 215-225 
    Details
    ISSN: 1573-5036
    Keywords: Diazotrophs ; Nitrogen fixing bacteria ; Pesticides ; Phyllosphere
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Thein vitro effects of twelve commonly used pesticides, including the fungicides Cuman-L (Ziram) and Hinosan (Ediphenphos), the acaricides Nuvacron (Monocrotophos), Ekatin 25EC (Thiometon) and Ekalux-G5 (Quinalphos) and other insecticides namely Dimecron (Phosphamidon), Anthio 25EC (Formothion), Baytex (Fenthion), Metasystox (Methyl demeton) and Phosalone (Zolone), on the nitrogen fixing bacteria isolated from the phyllosphere of some crop plants were tested. A very wide variation of the effect of these pesticides on the different organisms was noted. At a concentration of 700 μg/ml in the medium, most of the pesticides completely inhibited growth of the nitrogen fixing bacterial isolates. However, with some pesticides, when used at a lower concentration, a degree of growth stimulation was recorded.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02161177
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    Paper (German National Licenses)
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