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  • 1995-1999  (2)
  • 1990-1994
  • Caudate putamen  (1)
  • cumene hydrogenation  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Cumene hydrogenation turnover rates on Mo2C: CO and O2 as probes of the active site (1999)
    Springer
    Catalysis letters 58 (1999), S. 169-171 
    Details
    ISSN: 1572-879X
    Keywords: molybdenum carbide ; turnover rates ; cumene hydrogenation ; CO and O2 chemisorption ; active site density
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The use of CO and O2 chemisorption to titrate surface sites on β-Mo2C was examined using cumene (isopropylbenzene) hydrogenation as a test reaction. The tests were carried out using β-Mo2C samples prepared at two different temperatures so as to deposit different amounts of pyrolytic carbon on their surfaces. Synthesis at 961 K produced a surface that was substantially free of pyrolytic carbon (90% clean), while synthesis at 981 K produced a surface that was contaminated with carbon (25% clean). It was found that O2 uptakes were about six times higher than CO uptakes, but both gave consistent turnover rates for the reaction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1019062925008
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Behavioral sensitization and extracellular dopamine responses to amphetamine after various treatments (1997)
    Springer
    Psychopharmacology 134 (1997), S. 221-229 
    Details
    ISSN: 1432-2072
    Keywords: Key words Behavioral sensitization ; Dopamine ; Amphetamine ; Rat ; Microdialysis ; Caudate putamen ; Nucleus accumbens
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The repeated administration of amphetamine (AMPH) results in a pattern of behavioral changes which includes an augmentation of some behaviors, generally referred to as behavioral sensitization. Some investigators have suggested that an increased dopamine (DA) response to AMPH challenge may underlie behavioral sensitization, while others have reported behavioral sensitization in the absence of an enhanced DA response. Because temporal and dosage parameters of the AMPH pretreatment regimen have been suggested to play a role in the appearance of an enhanced DA response, we utilized a variety of AMPH pretreatment regimens to assess the relationship between pretreatment dose of AMPH, duration of withdrawal and the DA response in caudate-putamen and nucleus accumbens to a subsequent AMPH challenge. Under our experimental conditions, behavioral sensitization was observed after each of these treatments in the absence of an enhanced DA response in either brain region.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002130050445
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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