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  • 1
    ISSN: 1744-313X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: The HLA allogenotypes DRl/Br, DR3 and DR10 (entitled risk HLA markers) have been reported as being genetic markers for the predisposition to experience unexplained recurrent fetal losses. The aim of the study was to determine whether the putative risk HLA markers might also be markers for the risk of pregnancy loss in sisters and wives of brothers of women with unexplained recurrent fetal losses. Information concerning pregnancy outcomes among the relatives of 146 consecutive women with unexplained recurrent fetal losses was collected. Ninety-five of the full sisters, 69 of the full brothers and 50 of the wives of the brothers were HLA typed. Sisters who had experienced at least one previous pregnancy loss (affected women) shared more HLA haplotypes with the proband than unaffected sisters, when the proband was positive for the risk markers (P= 0.02). More affected than unaffected sisters and brothers’ wives were positive for the risk markers (P 〈 0.005 and P 〈 0.03; respectively). The lowest estimate of the odds ratio for experiencing pregnancy loss among sisters and brothers’ wives who were positive compared with those negative for the risk markers was 3.5 (95% credible interval = 1.9-5.8). It is concluded that maternal DRl/Br, DR3 and DR10 allogenotypes seem to be genetic markers for the risk of pregnancy loss among relatives of women with unexplained recurrent fetal losses. The pattern of inheritance suggests a polygenic mode of inheritance with alleles linked to the risk HLA markers interacting with non-HLA linked genes expressed on the fetus or the trophoblast.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of environmental contamination and toxicology 61 (1998), S. 116-122 
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 289-292 (Aug. 1998), p. 925-932 
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Histochemistry and cell biology 17 (1969), S. 241-247 
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Following a brief period of acute hydration in dehydrated rats, a decrease in a prostaglandin-dehydrogenase activity was observed in the loop of Henle and the collecting tubule. Salt-depletion and salt-repletion were of no influence on the enzyme activity.
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Histochemistry and cell biology 14 (1968), S. 189-200 
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Using the kidneys from white rats a method for the localization of a prostaglandin-dehydrogenase activity is presented. The activity demonstrated showed NAD dependence and displayed a high substrate specificity. The most pronounced activity was observed in the thick ascending limb of the loop of Henle and in the distale tubule. Lesser activity was found in the collecting tubules of the inner medulla, in the interstitial cells of the medulla, in the epithelial cells of the pelvis, in the tunica media of the cortical arteries and arterioles and in the visceral epithelium of the renal corpuscles. The pitfalls of the cytochemistry of the co-enzyme linked dehydrogenases are discussed and correlated to the present study. Similarly the observations noticed is discussed in relation to the metabolism and biological activity of the prostaglandins.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Inventiones mathematicae 120 (1995), S. 409-410 
    ISSN: 1432-1297
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Water, air & soil pollution 85 (1995), S. 2205-2210 
    ISSN: 1573-2932
    Keywords: Trend ; gas ; aerosol ; bulk precipitation ; throughfall ; acid deposition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Since 1985 measurements of gasses, aerosols, precipitation and throughfall have been carried out at three forest sites in Denmark with equal aged Norway Spruce plantations. The times series show a downward trend in the concentration of sulphur dioxide. Particulate sulphate, ammonia and particulate ammonium and the total nitrate seem to have a more constant concentration level. The wet deposition measurements show a decreasing trend in the content of acid (protons), sulphate, ammonium and nitrate, though for the nitrogen compounds it is only a slight fall. A decrease in concentrations of protons and sulphate is also seen in the throughfall measurements, in throughfall the nitrogen compounds hardly seem to decrease.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Water, air & soil pollution 85 (1995), S. 2211-2216 
    ISSN: 1573-2932
    Keywords: ammonia ; nitric acid ; dry deposition ; throughfall
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Since 1991 measurements of fluxes of ammonia have been carried out periodically at a forest location in the western part of Denmark. The ammonia deposition velocities and fluxes are estimated from gradient measurements done by denuders and micrometeorology. The deposition velocities showed a large variation, ranging from deposition mainly governed by the atmospheric transport with fast adsorption at the surface to emission. Nitric acid deposition velocities and fluxes were measured in a period in May 1993 and the data indicate deposition mainly governed by the atmospheric transport and fast adsorption at the surface. The measured ammonia fluxes and an estimate for the particulate ammonium flux are compared to a nine year mean value of the net throughfall from Norway Spruce at the location.
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  • 9
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A: General Papers 3 (1965), S. 2343-2366 
    ISSN: 0449-2951
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Inhibition kinetics were used to study the peroxydisulfate-iron-sulfoxylate redox initiation system. Onset of polymerization was detected by a thermometric technique permitting accurate measurement of short inhibition periods. Rate constants were derived from the inhibition periods by using an analog simulation. A good fit of calculated to observed results was obtained, based on a simple model, for experiments in ammonia buffer (pH ca 10). In bicarbonate buffer (pH ca 8.5), however, the same simple model was inadequate; additional involvement of iron is indicated. Evidence was found that the reduction of ferric versenate by sulfoxylate yields a free radical, tentatively (HCHO)SO2·. Absolute rates of radical generation were calculated.
    Additional Material: 16 Ill.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A-1: Polymer Chemistry 7 (1969), S. 2889-2896 
    ISSN: 0449-296X
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: By means of isothermal kinetic calorimetry, an automatic instantaneous record of polymerization rate can be obtained, independent of conversion. A large improvement in resolving kinetic events is thereby realized. Certain abrupt changes in rate due to electrolyte level have been observed.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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