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  • 1
    Digitale Medien
    Digitale Medien
    Effect of phospholipid oxidation products on transbilayer movement of phospholipids in single lamellar vesicles (1982)
    s.l. : American Chemical Society
    Biochemistry 21 (1982), S. 920-927 
    Details
    ISSN: 1520-4995
    Quelle: ACS Legacy Archives
    Thema: Biologie , Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/bi00534a017
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  • 2
    Digitale Medien
    Digitale Medien
    Adenovirus-related RNA sequences in human neurogenic tumors (1982)
    Springer
    Acta neuropathologica 56 (1982), S. 113-117 
    Details
    ISSN: 1432-0533
    Schlagwort(e): Brain tumours ; Etiology ; Adenoviruses ; Nucleic acid hybridization
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Thirty two human tumours, mainly neurogenic, have been investigated for the presence of adenovirus-related RNA sequences.3H-labelled tumour virus DNA probes derived from human adenoviruses types 2 and 12, bovine adenovirus type 3, and avian adenovirus CELO were hybridized in-situ on tumour kryostat sections under conditions that detect complementary RNA. Tumour virus-related RNA was detected in 62% of all tumours tested, but was not detectable in normal human brain tissues. Expression of tumour virus-related RNA was found in 2/4 astrocytomas, 2/4 metastatic brain carcinomas, 2/2 glioblastomas, 1/1 melanoma, 5/7 meningiomas, 4/4 neurinomas, 1/2 oligodendrogliomas, and 1/1 rhabdomyosarcoma. The presence of adenovirus-related RNA in the majority of human neurogenic tumours may reflect a viral involvement in the pathogenesis of these tumours.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00690581
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  • 3
    Digitale Medien
    Digitale Medien
    The phenomenon of β-adrenergic hypersensitivity following propranolol withdrawal studied in normal subjects (1984)
    Springer
    European journal of clinical pharmacology 27 (1984), S. 423-428 
    Details
    ISSN: 1432-1041
    Schlagwort(e): propranolol ; beta-adrenoceptor blockade ; withdrawal hypersensitivity ; normal subjects
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Medizin
    Notizen: Summary A study was carried out to determine whether beta-adrenergic hypersensitivity occurs in normal subjects following the abrupt withdrawal of the beta-adrenoceptor antagonist propranolol. Sixteen normal subjects took propranolol, orally, 120 mg twice daily for one week. Heart rate and blood pressure were measured supine and standing as well as during exercise. Heart rate was measured during and following the Valsalva manoeuvre. Measurements were made on the last day of the treatment period and on two occasions during the six days following withdrawal. Three subjects were removed from the analysis because of failure to take medication and one more was excluded because of protocol variation. In the remaining twelve, propranolol treatment reduced all parameters measured. Following abrupt withdrawal of the drug, there was no measurable increase in any of the parameters above baseline or placebo values within six days of the withdrawal. These findings, from normal subjects, do not support the phenomenon of beta-adrenergic hypersensitivity following propranolol withdrawal.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00549589
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  • 4
    Digitale Medien
    Digitale Medien
    Nausea and vomiting in day-case dental anaesthesia (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 39 (1984), S. 0 
    Details
    ISSN: 1365-2044
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: The anti-emetic effects of low-dose droperidol (1.25 mg), ultra-low-dose droperidol(0.25 mg) and a placebo were compared in patients admitted for day-case dental anaesthesia. Ultra-low-dose droperidol produced a significant decrease in the subjective feeling of nausea without delaying recovery or discharge from the hospital (p 〈 0.05). Low-dose droperidol did not significantly reduce nausea (p 〉 0.05) and prolonged the recovery time (p 〈 0.05).
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2044.1984.tb06426.x
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  • 5
    Digitale Medien
    Digitale Medien
    (–)Baclofen decreases neurotransmitter release in the mammalian CNS by an action at a novel GABA receptor (1980)
    [s.l.] : Nature Publishing Group
    Nature 283 (1980), S. 92-94 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The technique used in this study was first to allow slices of CNS tissue to accumulate radiolabelled transmitter and then to examine the effect of GABA and its analogues on the basal and K+-evoked release into fresh superfusion fluid. Three areas of the rat CNS were chosen, the cerebellum, striatum ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/283092a0
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  • 6
    facet.materialart.
    Unbekannt
    The Nyaya on Cognition and Negation (1980)
    Dordrecht, Holland : Periodicals Archive Online (PAO)
    Journal of Indian Philosophy. 8 (1980) 279 
    Details
    ISSN: 0022-1791
    Thema: Philosophie
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:j554-1980-008-00-000014
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  • 7
    Digitale Medien
    Digitale Medien
    Stomatal responses of Argenteum — a mutant of Pisum sativum L. with readily detachable leaf epidermis (1982)
    Springer
    Planta 155 (1982), S. 146-153 
    Details
    ISSN: 1432-2048
    Schlagwort(e): Abscisic acid ; Cytokinin ; Mutant (barley) ; Pisum ; Potassium and stomata protoplast ; Stomata (epidermis)
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Epidermis is easily detached from both adaxial and abaxial surfaces of leaf four of the Argenteum mutant of Pisum sativum L. The isolated epidermis has stomata with large, easily-measured pores. Hairs and glands are absent. The density of stomata is high and contamination by mesophyll cells is low. In the light and in CO2-free air, stomata in isolated adaxial epidermis of Argenteum mutant opened maximally after 4 h incubation at 25°C. The response of stomata to light was dependent on the concentration of KCl in the incubation medium and was maximal at 50 mol m-3 KCl. Stomata did not respond to exogenous kinetin, but apertures were reduced by incubation of epidermis on solutions containing between 10-5 and 10-1 mol m-3 abscisic acid (ABA). The responses of stomata of Argenteum mutant to light, exogenous KCl, ABA and kinetin were comparable with those described previously for stomata in isolated epidermis of Commelina communis. A method for preparing viable protoplasts of guard cells from isolated epidermis of Argenteum mutant is described. The response of guard cell protoplasts to light, exogenous KCl, ABA and kinetin were similar to those of stomata in isolated epidermis except that the increase in volume of the protoplasts in response to light was maximal at a lower concentration of KCl (10 mol m-3) and that protoplasts responded more rapidly to light than stomata in isolated epidermis. The protoplasts did not respond to exogenous kinetin, but when incubated for 1 h in the light and in CO2-free air on a solution containing 10-3 mol m-3 ABA, they decreased in volume by 30%. The advantages of using epidermis from Argenteum mutant for experiments on stomatal movements are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00392545
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  • 8
    Digitale Medien
    Digitale Medien
    On the manganese dioxide electrode. V. The evidence indicating the presence of two solid solutions in the range MnO2-MnO1·5 with γ-MnO2 as one end member (1982)
    Springer
    Journal of applied electrochemistry 12 (1982), S. 101-108 
    Details
    ISSN: 1572-8838
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: Abstract An examination of the literature has revealed that several of the properties of oxyhydroxides derived fromγ-MnO2 show a sharp change around the midpoint at MnO1.75. These include the lattice parameters, the activation energy for semiconduction, the magnetic susceptibility, the thermal behaviour and the electrical potential. Intermediate compounds have been observed by X-ray diffraction in the closely related systems ramsdellite/groutite and VO2/VOOH. It is suggested that for theγ-MnO2/δ-MnOOH system two solid solutions exist, one between MnO2 and MnO1.75 (e.g. Mn2O4H) and another between Mn2O4H and MnOOH. Ways in which the two solid solutions may arise involving different proton-electron filling mechanisms above and below the midpoint are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01112070
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  • 9
    Digitale Medien
    Digitale Medien
    The nyāya on cognition and negation (1980)
    Springer
    Journal of Indian philosophy 8 (1980), S. 279-302 
    Details
    ISSN: 1573-0395
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Philosophie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00166297
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  • 10
    Digitale Medien
    Digitale Medien
    Eimeria trichechi n.sp. from the Amazonian manatee, Trichechus inunguis (Mammalia: Sirenia) (1983)
    Springer
    Systematic parasitology 5 (1983), S. 287-289 
    Details
    ISSN: 1573-5192
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary Eimeria trichechi n.sp. is described and figured from the manatee, Trichechus inunguis, from Amazonas State, north Brazil. Undifferentiated oocysts are passed in the faeces and complete their sporulation in ∼36h at 24 to 26°C. Oocysts are spherical, with a mean size of 13.40 × 13.30 μm. The wall is uni-layered, smooth, colourless and ∼0.5 μm thick; there is no micropyle, oocyst residuum or polar body. Sporocysts are ellipsoidal, with a mean size of 8.65 × 4.62 μm. The sporozoites are longer than the sporocyst and recurved at their ends: there is a sporocyst residuum of fine granules, but no visible Steida body. ac]19821113
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00009162
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