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  • 1990-1994  (6)
  • 1993  (6)
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  • 1990-1994  (6)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    A computer model for intracellular pH regulation in Chinese hamster ovary cells (1993)
    s.l. : American Chemical Society
    Biotechnology progress 9 (1993), S. 374-384 
    Details
    ISSN: 1520-6033
    Source: ACS Legacy Archives
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bp00022a004
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Reactive sputtering deposition of low temperature tantalum suboxide thin films (1993)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 62 (1993), S. 3264-3266 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A relatively simple direct current sputtering deposition scheme has been employed to deposit 1000 A(ring) tantalum oxide thin films at low temperature. At (approximately-equal-to)190 °C substrate temperature, without further annealing, tantalum oxide films with a dielectric constant of 21–22 and a leakage current density as low as 10 nA/cm2 at 0.5 MV/cm electrical field strength (∼5 V of applied voltage) are obtained. These properties are achieved over a wide range of O2/Ar ratios when the total flow rate is kept constant. XPS measurements reveal that these films are nonstoichiometric with a composition of TaOx where x(approximately-equal-to)1.5. These low temperature, high dielectric constant thin films have potential applications as decoupling capacitors in very high speed electronic circuits and packaging.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.109094
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Periosteal Gaucher-like cells in beta-thalassemia major (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral pathology & medicine 22 (1993), S. 0 
    Details
    ISSN: 1600-0714
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A 24-year-old Chinese woman who has undergone staged surgery for craniofacial deformity secondary to β-thalassemia major is presented. Local clusters of Gaucher-like cells were found in the periosteum of the mandible. The histologic and ultrastructural features of these cells are described and the pathogenesis and differential diagnoses discussed. To the best of our knowledge, this is the first reported case of Gaucher-like cells occurring outside the lymphohematopoietic system in thalassemic patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0714.1993.tb01084.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Synthesis and structures of the quaternary sulfides K0.5Zr0.5In0.5S2 and K0.5Cr0.5Sn0.5S2 (1993)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 49 (1993), S. 126-129 
    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/S0108270192008345
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    The effect ofl-deprenyl on behavior, cognitive function, and biogenic amines in the dog (1993)
    Springer
    Neurochemical research 18 (1993), S. 1211-1219 
    Details
    ISSN: 1573-6903
    Keywords: l-Deprenyl ; monoamine oxidase ; dopamine ; cognitive function ; dog
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Behavioral and pharmacological effects of oral administration ofl-deprenyl in the dog are described. Spontaneous behavior is unaffected at doses below 3 mg/kg while at higher doses there was stereotypical responding. There was evidence of improved cognitive function in animals chronically treated with a 1 mg/kg dose but the effectiveness varied considerably between subjects. Chronic administration produced a dose dependent inhibition in brain, kidney and liver monoamine oxidase B, and had no effect on monoamine oxidase A. There were also dose dependent increases in brain phenylethylamine and in plasma levels of amphetamine. Dog platelets did not have significant levels of MAO-B. Brain dopamine and serotonin metabolism were unaffected byl-deprenyl at doses up to 1 mg/kg. It appears that for the dog, deamination of catecholamines is controlled by MAO-A. Nevertheless, it is suggested thatl-deprenyl serves as a dopaminergic agonist, and there is also evidence that it affects adrenergic transmission. These catecholaminergic actions may account for the effects ofl-deprenyl on behavior and cognitive function.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00975038
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Monoamine oxidase inhibition byl-deprenyl depends on both sex and route of administration in the rat (1993)
    Springer
    Neurochemical research 18 (1993), S. 1299-1304 
    Details
    ISSN: 1573-6903
    Keywords: l-deprenyl ; rat ; monoamine oxidase ; sex differences ; dosing method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The monoamine oxidase B (MAO-B) inhibitorl-deprenyl, widely used to treat Parkinson's disease, has frequently been studied in animal models. We have examined the effects of several variables on activity levels of MAO-A and B in rat brain and liver following chronic (3 wks) treatment withl-deprenyl. Significant effects were observed for sex (females showed lower overall MAO-B activity in the liver), dose (MAO-A and B inhibition increased with dose, with females exhibiting greater sensitivity), route of administration (subcutaneous injection was more efficient than oral dosing), and dosing interval (MAO-B was significantly inhibited when dosing interval was increased to as long as 168 hours). Our results thus indicate that the effectiveness ofl-deprenyl in vivo is dependent on several factors and that these must be taken into account in studies involving the benefits or risks of this drug.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00975051
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    Paper (German National Licenses)
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