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  • 1985-1989  (7)
  • 1950-1954  (2)
  • 1989  (7)
  • 1951  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Psychology 40 (1989), S. 327-351 
    ISSN: 0066-4308
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Psychology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 320 (1951), S. 93-137 
    ISSN: 1432-2307
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-2013
    Keywords: dog ; kidney ; renal lymph ; prostaglandins ; PGE2
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PGE2 concentration (pg/ml ± SEM) was measured in canine renal lymph (394±115), renal venous plasma (276±55), arterial plasma (172±34) and urine (1290±934). Control periods were followed by an infusion of the sodium salt of arachidonic acid (AA) (40 μg/kg min) into the renal artery to stimulate prostaglandin synthesis. During infusion of AA PGE2 concentrations increased significantly in renal lymph (672±155) renal venous plasma (549±123), and urine (6768±1420), but not in the arterial plasma (176±31). Concentrations in renal lymph and renal venous plasma were not significantly different under either condition. These findings indicate that PGE2 concentration in renal venous plasma is, by and large, representative of mean PGE2 concentrations in the cortical renal interstitium, although focal inhomogeneities in PGE2 concentration in the different areas of the renal interstitium cannot be excluded. Since flow rate of renal lymph is insignificant in comparison with renal venous plasma flow rate total renal PGE2 output can be estimated from measurements in renal venous plasma and urine.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 29 (1951), S. 548-549 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
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    Unknown
    Berlin : Periodicals Archive Online (PAO)
    Deutsche Zeitschrift für Philosophie. 37:9 (1989) 853 
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 45 (1989), S. 1697-1699 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Archives of microbiology 152 (1989), S. 215-217 
    ISSN: 1432-072X
    Keywords: Cyanobacterium ; Oscillatoria limnetica ; Anacrobic unsaturated fatty acid synthesis ; Positional isomers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The mechanism for synthesis of monounsaturated fatty acids under aerobic and anaerobic conditions was studied in the facultative anaerobic cyanobacterium, Oscillatoria limnetica. The hexadecenoic acid (C16∶1) of aerobically grown O. limnetica was shown to contain both the Δ7 (79%) and Δ9 (21%) isomers, while the octadecenoic (C18∶1) acid was entirely the Δ9 acid. Incorporation of [2-14C] acetate into the fatty acids under aerobic conditions resulted in synthesis of the Δ7 and Δ9 C16∶1 and the Δ9 C18∶1. Synthesis of unsaturated fatty acids in the presence of DCMU required sulfide. Anaerobic incubations in the presence of DCMU and sulfide (less than 0.003% atmospheric oxygen) resulted in a two-fold increase in monounsaturated fatty acids of both Δ7 and Δ9 C16∶1 and Δ9 and Δ11 C18∶1. The synthesis of these isomers is characteristic of a bacterialtype, anaerobic pathway.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1433-8580
    Keywords: Diltiazem ; Regional myocardial function ; Infarct size ; Pigs
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The effect of intracoronary (i.c.) pretreatment with diltiazem on regional myocardial function and the development of infarcts was investigated in regionally ischemic, reperfused porcine hearts. The left anterior descending coronary artery (LAD) was distally ligated in 16 pigs for 20–90 min followed by 24 h of reperfusion. Eight pigs were treated with increasing doses of i.c. diltiazem (0.375 mg/min, 0.75 mg/min, 1 mg/min) prior to ischemia. Eight pigs served as controls. Regional myocardial function was assessed by implanted ultrasonic crystals. Infarct size was determined as ratio of infarcted (tetrazolium stain) to ischemic myocardium (dye technique). I.c. diltiazem mainly depressed early systolic shortening (isovolumetric contraction) and lengthening during the first half of diastole. Pretreatment with this calcium antagonist significantly delayed the development of infarcts. In control experiments, a mean infarct size of 74% was found after 45-min ischemia. At that time no infarction was observed in the treated group, where infarcts started to evolve after 60-min ischemia. It is concluded that the favorable action of i.c. diltiazem can mainly be ascribed to a reduced myocardial oxygen consumption at the onset of ischemia.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    European archives of psychiatry and clinical neuroscience 238 (1989), S. 268-279 
    ISSN: 1433-8491
    Keywords: Agoraphobia ; Panic ; Phobic disorders ; Tricyclic antidepressants ; Monoamine oxidase inhibitors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In this paper we discuss the theory that agoraphobic avoidances are central and spontaneous panics an epiphenomenon to the development of agoraphobia. Moreover we discuss the theory that posits a fixed cognitive-catastrophizing set as causal for panic. We conclude these theories do not fit the facts. We argue that it is important to distinguish between spontaneous panic and chronic or anticipatory anxiety and avoidance. Such a distinction allows for an understanding of the roles of anti-spontaneous panic medications such as tricyclics and MAOI's, as well as exposure therapy, in the treatment of panic disorder with agoraphobia. The former serves the purpose of blocking panic attacks while the latter undermines phobic avoidance, but only after the panic attacks have ceased through proper medication. We conclude that recognizing the key role of spontaneous panic and its variants in anxiety nosology is a necessary guide for etiological, psychophysiological and therapeutic research in this rapidly developing area.
    Type of Medium: Electronic Resource
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