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  • 11
    Electronic Resource
    Electronic Resource
    Linkage group analysis of nerve insensitivity in a pyrethroid-resistant strain of house fly
    Amsterdam : Elsevier
    Pesticide Biochemistry and Physiology 26 (1986), S. 231-237 
    Details
    ISSN: 0048-3575
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0048-3575(86)90094-5
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  • 12
    Electronic Resource
    Electronic Resource
    Mechanisms of resistance to pyrethroids and 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane in the house fly, Musca domestica L.
    Amsterdam : Elsevier
    Pesticide Biochemistry and Physiology 31 (1988), S. 46-53 
    Details
    ISSN: 0048-3575
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0048-3575(88)90027-2
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  • 13
    Electronic Resource
    Electronic Resource
    Cerium(III) chloride remarkably increases the rates of formation and yields of ketones in the reaction of lithium carboxylates with organolithiums
    Amsterdam : Elsevier
    Tetrahedron Letters 35 (1994), S. 203-206 
    Details
    ISSN: 0040-4039
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/S0040-4039(00)76511-7
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  • 14
    Electronic Resource
    Electronic Resource
    Mirror symmetry in 7,9-dibenzyl-1-tert-butoxycarbonyl-1,7,9-triazaspiro[4.5]dec-3-en-2-one (1999)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 55 (1999), S. 2088-2090 
    Details
    ISSN: 1600-5759
    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/S0108270199011373
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  • 15
    Electronic Resource
    Electronic Resource
    Comment on the absence of the pionic mode in τ decay
    Amsterdam : Elsevier
    Physics Letters B 73 (1978), S. 196-198 
    Details
    ISSN: 0370-2693
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0370-2693(78)90834-1
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  • 16
    Electronic Resource
    Electronic Resource
    Over-expression of glucose transporter isoform GLUT1 and hexokinase I in rat renal oncocytic tubules and oncocytomas (1994)
    Springer
    Virchows Archiv 425 (1994), S. 63-68 
    Details
    ISSN: 1432-2307
    Keywords: Renal carcinogenesis ; Epithelial kidney tumours ; Energy metabolism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Renal oncocytomas, which have previously been shown to originate from the collecting duct system, were induced in male Sprague-Dawley rats by oral administration of N-nitrosomorpholine (NNM) for 7 weeks. The expression of glucose transporter isoforms GLUT1 and GLUT2, and of several enzymes involved in glucose metabolism [hexokinase (HK), pyruvate kinase (PK), lactate dehydrogenase (LDH), malate dehydrogenase (MDH)] were studied by cytochemical approaches in serial cryostat sections of the kidney 12, 23 and 34 weeks after withdrawal of NNM. Oncocytic tubules connected with collecting ducts were first observed 23 weeks, and oncocytomas 34 weeks after withdrawal. The cytochemical pattern of oncocytic tubules and oncocytomas was similar, but differed markedly from that of normal collecting ducts in nearly all variables studied; expression of GLUT1 and hexokinase I proteins were strongly increased; activities of HK, PK and MDH were elevated, while LDH activity was reduced. These results suggest that oncocytic transformation is associated with fundamental changes in energy metabolism which differ from those in cell lineages leading to other types of renal cell tumours, such as clear/acidophilic and basophilic cell tumours. The characteristic over-expression of GLUT1 may be used as a diagnostic criterion for the discrimination between oncocytes and acidophilic (granular) cells in clear/acidophilic renal cell tumours which show a reduced expression of this glucose transporter protein.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00193950
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  • 17
    Electronic Resource
    Electronic Resource
    Einfluß von Aethanol auf die Neurotransmitter Glutamat und GABA (1982)
    Springer
    European archives of psychiatry and clinical neuroscience 232 (1982), S. 183-189 
    Details
    ISSN: 1433-8491
    Keywords: Ethanol ; Barbiturate ; Cortex ; GABA ; Glutamate ; Hippocampus ; Nigra ; Striatum ; Aethanol ; Barbiturat ; Cortex ; GABA ; Glutamat ; Hippocampus ; Nigra ; Striatum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In zwei Versuchsserien wurde der Einfluß von chronischer Aethanolgabe (5 g/kg täglich) über 2 bzw. 4 Wochen auf die Neurotransmitter Glutamat und GABA bei Ratten untersucht. Dabei fand sich ein durch Barbiturat maskierter Anstieg der GABA-Konzentration in Striatum, Hippocampus und Substantia nigra, 8 bzw. 12 Stunden nach der letzten Aethanolgabe. Für Glutamat konnte ebenfalls ein Anstieg in den untersuchten Hirnregionen gefunden werden, der mit den für Dopamin bekannten Veränderungen unter Aethanol vereinbar ist. Die Bedeutung für die Pathogenese hirnorganischer Anfälle und psychotischer Symptome nach chronischem Alkoholmißbrauch wird diskutiert.
    Notes: Summary The effect of chronic ethanol administration, 5 g/kg per day for 2 or 4 weeks, on the neurotransmitters glutamate and GABA was investigated in rats. An increase in GABA was found in the striatum, hippocampus, and substantia nigra, 8 or 12 h after the last ingestion of ethanol, this being masked by injection of barbiturate. In addition an increase of glutamate has been found in the examined brain areas. This is consistent with the known effect of ethanol on brain Dopa metabolism and release. Finally, the relevance of the results for the pathogenesis of withdrawal seizures and delirious states is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00343699
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  • 18
    Electronic Resource
    Electronic Resource
    Synthesis of yttrium iron garnet precursor particles by homogeneous precipitation (1996)
    Springer
    Journal of materials science 31 (1996), S. 4233-4240 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Yttrium iron garnet (YIG) precursor particles were obtained by homogeneous precipitation in a nitrate salt solution by a reaction involving the thermal decomposition of urea. Chemical analysis indicated that solid phases were initially precipitated with sequential iron ion content. The precipitate formed was an amorphous mixed iron oxide phase. The complex composition and the thermal decomposition of the precipitate were studied by thermogravimetry-differential thermal analysis, differential scanning calorimetry, X-ray diffraction, and Fourier transform-infrared spectroscopy. Precipitate morphology was observed by SEM and TEM. Fine-grained single-phase yttrium iron garnet (YIG:Y3Fe5O12) powders were obtained by calcination of the precipitate at 1200 °C. YFeO3 intermediate compound was formed at 600 °C prior to the final crystallization of YIG.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00356444
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  • 19
    Electronic Resource
    Electronic Resource
    Inverse method for identifying the underlying crack distribution in plates with random strengths (2000)
    Springer
    Acta mechanica 144 (2000), S. 137-154 
    Details
    ISSN: 1619-6937
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary In the current investigation we seek to identify the underlying crack number and crack length distributions in brittle plates with a known strength distribution. The inverse problem in probabilistic fracture mechanics is defined, and the numerical procedure to solve the inverse problem is constructed. The simulation process of generating simulated plates containing simulated random cracks is elaborated. The maximum strain energy release rate criterion (G max) is applied to each simulated random crack to find the crack strength. The strength of the simulated plate is equated to the strength of the weakest simulated crack in the plate based on the weakest link notion. The underlying crack number and crack length distributions are obtained by minimizing the difference between the simulated plate strengths and the known plate strengths. The gamma, lognormal and two-parameter Weibull distributions are employed for the underlying crack length distribution, and are compared in order to identify the best choice. Numerical examples demonstrate that the three PDFs are all acceptable for reasons to be explained. In the appendix, the direct problem in probabilistic fracture mechanics is presented as part of the demonstration of a method for using the crack distribution identified in the inverse problem to predict the strength and the probability of fracture in a practical application.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01170171
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