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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of epidemiology 10 (1994), S. 737-742 
    ISSN: 1573-7284
    Keywords: Glomerulonephritis ; Greek patients ; Hepatitis B virus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The frequency of hepatitis B surface antigen (HBsAg) was studied in the sera of 622 patients with glomerulonephritis (GN). The prevalence of HBs-antigenemia was 2.8% (18/622; eleven adults and seven children); the difference from 2.6% in the general population of Central and Southern Greece was not statistically significant (χ2=0.01;p〉0.50). Two of the 11 HBsAg-seropositive adult patients with GN suffered from IgA nephropathy, one from IgA and membranous glomerulonephritis (MGN), four from diffuse proliferative GN, two from membranous GN and one each from crescentic GN and focal segmental glomerulosclerosis. Five children out of 12 with membranous glomerulonephritis, one out of 24 with IgA nephropathy and one out of 16 with focal segmental glomerulosclerosis had HBs-antigenemia. The frequency of HBs-antigenemia in children with MGN was 41.7%, which is significantly higher than in children with others types of GN (0.9%). All seropositive patients were asymptomatic HBsAg carriers, while one seropositive HBsAg child with MGN suffered from chronic persistent hepatitis. HBsAg was detected by the immunoperoxidase-antiperoxidase (PAP) method in the glomeruli of only 3 children with MGN and HBs antigenemia, while HBcAg was not detected in any case. Our study suggests that in the Greek population there is no increased prevalence of HBs-antigenemia in patients with glomerulonephritis. Moreover, HBsAg was not found to contribute in the pathogenesis of GN in adults but it may be associated with the pathogenesis of membranous GN in children.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Ukrainian mathematical journal 40 (1988), S. 388-392 
    ISSN: 1573-9376
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The recovery of humoral immune response has been comparatively studied by a radioimmunoanalysis (RIA) method and by Mancini single immunoradial diffusion method in an experiment consisting in chronic contamination with low doses of tritiated water (HTO) and oral administration of high doses of ascorbic acid on rats as radioprotector. The radioprotective effect of ascorbic acid was found to be dependent both on the radiation dose and the amount of ascorbic acid administered.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract We have determined the concentrations of eight REE elements by instrumental neutron activation analysis (INAA) (La, Ce, Nd, Sm, Eu, Tb, Yb, and Lu) in plant leaves of the species Solanum lycocarpum, a typical Brazilian "cerrado" plant widely distributed around the country, and in the soils in which they grow. Three different ecosystems were studied. Very similar chondrite normalized patterns were observed in the soil and in the plant, presenting an enrichment of the light REE, indicating a typical absorption of these elements by this species.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Clinical and experimental medicine 115 (1950), S. 547-552 
    ISSN: 1591-9528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung Sulfonamide zeigen keine Beeinflussung des Histaminstoffwechsels in bezug auf die Wechselwirkung Histamin-Histaminase und können in diesem Sinne nicht als Antihistaminkörper angesprochen werden. Sulfapyridin aktiviert den Abbau von Histaminsubstanzen der menschlichen Haut und hemmt in diesem Organextrakt in hohen Konzentrationen die Histaminentstehung aus l-Histidin. über den Wirkungsmechanismus dieser Aktivierung sind besondere Untersuchungen im Gange. Eine positive Wirkung auf die Blockierung der Histaminase zeigte Paraaminotoluolsulfonamid. Die Erklärung dürfte im aliphatischen Charakter der paraständigen Aminogruppe zu suchen sein. Eine Wirkung des Paraaminotoluolsulfonamids auf die Histaminentstehung durch die Decarboxylierung des l-Histidins wurde nicht festgestellt.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary On oxydimetric determination of aniline, monomethylaniline and monoethylaniline with sodium chlorite has been proposed. An excess of the reagent is added to the sample solution and unreacted chlorite is determined by iodometry. Good results have been obtained, even for very small quantities of the amines.
    Notes: Zusammenfassung In der vorliegenden Arbeit wird eine oxydimetrische Bestimmung von Anilin, Monomethylanilin und Monoäthylanilin mit Natriumchlorit empfohlen. Man läßt mit einem Reagensüberschuß umsetzen und titriert den unverbrauchten Rest jodometrisch zurück. Die Methode erlaubt die Bestimmung dieser Amine in sehr kleinen Mengen, und die Ergebnisse sind zufriedenstellend.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Zusammenfassung 1. Es wurden die Methoden zur Bestimmung des Aluminiums mit o-Oxychinolin bei Gegenwart von Phosphorsäure verglichen; dabei ergab sich, dass diese merkliche Abweichungen aufweisen. 2. Bei Behandlung der zu analysierenden Lösung mit n-Natronlauge bis zur Auflösung des entstandenen Aluminiumphosphat-Niederschlags und nachheriger Fällung des Aluminiums mit einer alkoholischen Lösung von o-Oxychinolin nach unserer Technik erhält man gute Resultate. 3. Diese Technik ist auch in Abwesenheit von Phosphorsäure zur Bestimmung des Aluminiums anwendbar.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Plant systematics and evolution 31 (1881), S. 377-378 
    ISSN: 1615-6110
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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