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  • 11
    Electronic Resource
    Electronic Resource
    Cambridge : Cambridge University Press
    Austrian history yearbook 6 (1970), S. 509-511 
    ISSN: 0067-2378
    Source: Cambridge Journals Digital Archives
    Topics: History
    Type of Medium: Electronic Resource
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  • 12
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 24 (1971), S. 0 
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Endogenous gibberellins from floating plants and in vitro induced turions of Wolffiella floridana (Lemnaceae) were extracted and partially purified. Gibberellin-like activity was detected in two zones of the chromatogram corresponding to Rf 0-0.1 and Rf 0.4-0.5 by dwarf pea bioassay. The active compounds in the two zones have been referred to in this paper as factor I and factor II respectively. There were quantitative differences in the gibberellin-like substances of floating plants and turions. The floating plants contained more of factor I but less of factor II as compared to the turions. The chromatographic behavior of factor I was similar to either gibberellin A1 and A3 while the identity of factor II was uncertain.
    Type of Medium: Electronic Resource
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  • 13
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of personality 41 (1973), S. 0 
    ISSN: 1467-6494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Psychology
    Type of Medium: Electronic Resource
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  • 14
    Electronic Resource
    Electronic Resource
    Springer
    Journal of cancer research and clinical oncology 74 (1970), S. 396-411 
    ISSN: 1432-1335
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Trächtige Sprague-Dawley-Ratten erhielten am 18. Trächtigkeitstag die Cancerogene Aflatoxin B1, Methylazoxymethanol-acetat (Aglycon des Cycasins) bzw. Äthylnitrosoharnstoff als intraperitoneale Injektion. Histologische Untersuchungen wurden an den zu verschiedenen Zeitpunkten später entnommenen Feten und an der Leber der Muttertiere durchgeführt sowie die Kinetik für intraperitoneal appliziertes 3H-Thymidin bestimmt. Die Leber der Muttertiere wurde durch Aflatoxin B1 sichtbar geschädigt. Die Feten wiesen nach Aflatoxin B1 keine histologischen Veränderungen auf; dagegen wurden nach Gabe von Methylazoxymethanolacetat geringfügige und nach Äthylnitrosoharnstoff ausgedehnte akute Schäden im Marklager der fetalen Großhirnhalbkugeln sowie im Bereiche des späteren Riechhirnes nachgewiesen. Die Kinetik für 3H-Thymidin zeigte deutliche Unterschiede im Ablauf bei Muttertieren und Feten sowie zwischen dem fetalen Rumpf und Kopf, insbesonders aber starke Abweichungen nach Applikation der verschiedenen Cancerogene. Histologische Befunde und die Kinetik des 3H-Thymidin-Stoffwechsels wurden miteinander verglichen und die Bedeutung der akuten Schäden im Hinblick auf die diaplacentare Cancerogenese diskutiert. Daraus ergeben sich Hinweise zum Geltungsbereich der Irritationstheorie Virchows und der dysontogenetischen Theorie Cohnheims.
    Notes: Summary Pregnant Sprague-Dawley rats were injected intraperitoneally on day 18 with either Aflatoxin B1, or Methylazoxymethanol-acetate (i.e., the aglycone of the Cycasin) or Ethylnitrosourea. Histologic investigations were carried out in the maternal livers and the fetuses, which were obtained at different times. The kinetics of the intraperitoneally applied 3H-thymidine was determined. Whereas the maternal livers were altered histologically by the Aflatoxin B1 the fetuses showed no visible signs of damage after Aflatoxin B1. On the other hand, Methylazoxymethanolacetate caused discrete, and Ethylnitrosourea caused serious alterations in the cellular layer of the fetal cerebral ventricles and in the prospective olfactory lobe. The kinetics of 3H-thymidine differen markedly between the pregnant animals and the fetuses, and also between the fetal head and the remainder of the body. There was considerable variability in the reactions, depending upon which one of the three different carcinogens was applied. Histological findings and the kinetics of 3H-thymidine metabolism were compared. The significance of the acute injury is analyzed in respect to diaplacental carcinogenesis. Under this aspect the validity of the irritation theory of Virchow and the dysontogenic theory of Cohnheim are discussed.
    Type of Medium: Electronic Resource
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  • 15
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 60 (1973), S. 263-264 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 16
    Electronic Resource
    Electronic Resource
    Springer
    Human genetics 〈Berlin〉 10 (1970), S. 224-230 
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Fibroblasts cultured from two patients afflicted with nonspherocytic hemolytic anemia due to phosphohexose isomerase (PHI) deficiency show on the average 53% of the normal PHI-activity. The presence of the defective enzyme in cells derived from the heterozygous relatives of the patients is revealed by an intermediate average specific activity; the wide range of PHI-activities observed in these cells, however, precludes the detection of heteozygotes. The PHI-genotypes of the patients and of their heterozygous and normal relatives respectively, can be distinguished by starch gel electrophoresis and by heat-inactivation studies with fibroblast-homogenates. These latter experiments confirm the results obtained with hemolysates (Tariverdian et al., 1970).
    Type of Medium: Electronic Resource
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  • 17
    Electronic Resource
    Electronic Resource
    Springer
    Human genetics 〈Berlin〉 10 (1970), S. 218-223 
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Es werden Befunde aus einer Sippe mit PGI-Defizienz mitgeteilt. Die beiden Patienten haben eine nichtsphärocytäre hämolytische Anämie, sie besitzen den homozygoten Phänotypus PGI9. Die Eltern sind heterozygot PGI 9-1. Der Zymogrammvergleich von Eltern und Kindern spricht für die Hypothese, daß die PGI ein dimeres Molekül sei, das normalerweise aus identischen Polypeptidketten aufgebaut ist.
    Notes: Summary In a family two children exhibited a non-sphaerocytic hemolytic anemia; they revealed the homozygous phenotype PGI9. The parents are heterozygous PGI 9-1. The comparison of the zymogram pattern of both parents and children allows the conclusion that the PGI molecule is a dimer which has identical subunits in homozygous individuals.
    Type of Medium: Electronic Resource
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  • 18
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The investigation of 2 families with 9 informative siblings seems to give some evidence for linkage between the structural loci for AB0 and PGI. The recombination frequency is 1/9 or ∼0.1.
    Type of Medium: Electronic Resource
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  • 19
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 252 (1974), S. 628-628 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 20
    Electronic Resource
    Electronic Resource
    Springer
    Journal of religion and health 9 (1970), S. 22-34 
    ISSN: 1573-6571
    Source: Springer Online Journal Archives 1860-2000
    Topics: Theology and Religious Studies
    Type of Medium: Electronic Resource
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