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  • Electronic Resource  (1,432)
  • 1980-1984  (796)
  • 1960-1964  (339)
  • 1955-1959  (287)
  • 1830-1839  (10)
  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 85 (1981), S. 94-97 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 85 (1963), S. 2170-2171 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of chemical & engineering data 28 (1983), S. 148-150 
    ISSN: 1520-5134
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Psychology 14 (1963), S. 155-174 
    ISSN: 0066-4308
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Psychology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Archives of gynecology and obstetrics 231 (1981), S. 51-56 
    ISSN: 1432-0711
    Keywords: Dizygotic twinning ; Implantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Two ova implanted in one uterus were found at the autopsy of a 28-year-old woman. The ovulation age of both implantations has been estimated to be 10–12 days. The presence of two equally large corpora lutea, one in each ovary, indicates that the implanted ova originated from different ovaries. Thus, an “ovulatio biovarialis” seems to be the basis for the dizygotic twinning in this case. The case is believed to be the only documented example of a very early dizygotic, fraternal pregnancy in humans.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Calcified tissue international 36 (1984), S. 662-667 
    ISSN: 1432-0827
    Keywords: Vitamin D ; Hyp ; X-linked hypophosphatemia ; Metabolic bone disease ; Mice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Notes: Summary Hyp mice are a model for human X-linked hypophosphatemia (vitamin D-resistant rickets.) To determine whether an abnormality of vitamin D metabolism exists in this disease, the profiles of the metabolites of vitamin D were determined in normal andHyp mouse plasma.Hyp and normal mice were fed a vitamin D-deficient diet and received 1,23H-vitamin D3 at 16 Ci/mmol by stomach tube at 5 ng/g body weight (0.21 µCi/g b.w.) on alternate days for 14 days. The dose of vitamin D given maintained near normal plasma 25-OH-vitamin D. Thus the mice were in a vitamin D-replete state with all metabolite pools labeled with3H. Plasma was collected from 4 normal and 4Hyp mice. The plasma was extracted, and the extracts were chromatographed separately for each mouse on an LH-20 column. Each major peak of radioactivity was rechromatographed using high performance liquid chromatography on a Zorbax-Sil column using solvent systems known to resolve several vitamin D metabolites. Twenty-one radioactive peaks were identified. The disintegrations per minute of3H in each peak were quantified and converted to plasma concentration using the known specific activity of the administered vitamin D. The 25-OH-vitamin D accounted for 55% of the circulating radioactivity, and 24,25-(OH)2-vitamin D accounted for 22%. The plasma levels of 24,25-(OH)2-vitamin D were similar to levels previously reported by us using protein binding assays. No peaks of radioactivity were missing in the plasma extracts of theHyp mice. Also there was no evidence that plasma 24,25-(OH)2-vitamin D was elevated in theHyp mice.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 245 (1962), S. 122-123 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-1459
    Keywords: Multiple sclerosis ; MS-related material ; Leucocyte adherence inhibition test
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Zur Ermittlung der Wertigkeit von als Tests für die Multiple Sklerose (MS) vorgeschlagenen Verfahren wurde die Reaktivität der Leukozyten gegenüber einer Antigenpräparation aus dem Blut von Patienten mit einer MS (MS-bedingte Substanz — MSRM) im Leukozyten-Adhärenz-Inhibitions-(LAI) Test untersucht. Die Ergebnisse lassen auf die Existenz einer antigenen Substanz im Blut von MS-Patienten schließen. Mit dem modifizierten LAI-Test, unter Zusatz von Kälberserum, ergibt sich eine signifikante Reaktion der Leukozyten der MS-Fälle gegenüber anderen neurologischen Erkrankungen und Kontrollen. Die relativ hohe positive Nachweisrate bei der MS, wie sie Angers u. Mitarb. [1] fanden, war nicht feststellbar. Daher sind vor der diagnostischen Anwendung der Methode weitere Analysen zur Charakterisierung des Antigens und zu den Voraussetzungen des Testsystems erforderlich.
    Notes: Summary To determine the value of laboratory methods proposed as tests for multiple sclerosis (MS), the reactivity of leucocytes to a preparation of an antigen from the blood of patients with MS (MS-related material) was studied in the leucocyte adherence inhibition (LAI) test. The results point to the existence of an antigenic substance in the blood of MS patients. When the LAI test was modified by the addition of calf serum there was a significant reaction of the leucocytes of MS compared to other neurological diseases and controls. The relatively high positive rate in MS previously reported was not detected. Therefore, further analyses concerning the characterisation of the antigen and the conditions of the test system will be necessary before the method can be used for diagnosis.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Archives of microbiology 31 (1958), S. 179-190 
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Zusammenfassung Es wird über Versuche berichtet, in denen Sporen von Oospora lactis einzeln mit ultraviolettem Licht von der Wellenlänge 257 mμ bestrahlt und auch einzeln in ihrem weiteren Schicksal verfolgt wurden. Die Dosis wurde so gewählt, daß etwa die Hälfte der 90–100 bestrahlten Individuen überlebte, die andere Hälfte letal geschädigt wurde. Ein kleiner Anteil der so bestrahlten Individuen zeigte Wachstumsanomalien, die längere Zeit, auch über mehrere Einzell-Subkulturen hinweg, erhalten blieben, aber schließlich auf normale Formen hin regenerierten. Entsprechend den gefundenen Wachstumsanomalien ließen sich cytologische teilweise Veränderungen der Kernsubstanz (Kernpyknose, Kernzerfall), des Protoplasmas (Verfettung, Hydratation) und der Hyphenmembran (Deformationen an den Zellengrenzen und Hyphenenden, Behinderung der Oidienbildung und- abschnürung) nachweisen.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1573-0700
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Type of Medium: Electronic Resource
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