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  • 2005-2009  (1)
  • 1960-1964  (5)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of chemical & engineering data 9 (1964), S. 17-19 
    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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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 86 (1960), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Aim : To document the clinical, histological, immunohistochemical and ultrastructural features of three malignant melanomas showing neuroendocrine differentiation.Methods and results : Three patients, two with primary cutaneous melanoma and one with nasal mucosal melanoma, subsequently developing or simultaneously presenting with metastatic malignant melanoma, were studied by conventional histological technique, immunohistochemistry of formalin-fixed paraffin-wax embedded tissues, and electron microscopy of epoxy-resin-embedded tumour tissue. Tumours showed either small cell or conventional malignant melanoma cell morphology. One of the three primary melanocytic lesions (the nasal melanoma) exhibited neuroendocrine differentiation immunohistochemically. All three metastatic malignant melanomas showed, in varying combinations, immunohistochemical and ultrastructural evidence for neuroendocrine differentiation: they were positive for the melanocytic markers, S100 protein, HMB-45, Melan-A and tyrosinase, and the neuroendocrine markers chromogranin, synaptophysin and neurofilament protein. Ultrastructural study in two of the metastases revealed neuroendocrine granules but no lattice-bearing melanosomes.Conclusions : The cases described are the most comprehensively investigated malignant melanomas showing neuroendocrine differentiation to date, and the first to document neuroendocrine differentiation ultrastructurally in these tumours. Malignant melanoma with neuroendocrine differentiation therefore needs to be recognized among the other, better known variants of malignant melanoma.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 190 (1963), S. 57-60 
    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
    Notes: Summary Two equations for the slow rate of coagulation of colloid have been verified experimentally. The kinetic equation ofSmoluchowski has been modified byGhosh and a spectrophotometric technique developed byMukherjee has been adopted for the verification of this modified equation with ThO2 sol system. The second equation relating the time of coagulation with concentration of electrolyte originally proposed byBhattacharya and derived byGhosh fromReerink's equation has been verified with AlAsO4 sol following the method ofBhattacharya. The autocatalytic nature (S-shape) has not been found; phenomenon of „Entlastungseffekt“ has been observed with ThO2 sol.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 183 (1961), S. 42-46 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Titan und Uran werden mit Tannin in Gegenwart verschiedener Fremdionen, die durch ÄDTA in Lösung gehalten werden, gefällt (z.B. in Gegenwart von Fe3+, Al3+, Cr3+, Th4+, Zr4+, Bi3+, Pb2+, (VO)2+, Seltenen Erden). Die Fällung wird durchgeführt, indem man die saure Lösung, die ÄDTA und Tannin enthält, mit Ammoniak oder Hexamethylentetramin neutralisiert. Titan wird bei pH-Werten über 4,0 und Uran bei solchen über 6,0 vollständig ausgefällt.
    Notes: Summary Titanium and uranium have been precipitated by tannin in the presence of various other ions, e.g., Fe3+, Al3+, Cr3+, Th4+, Zr4+, Bi3+, Pb2+, (VO)2+ and rare earths, which are kept in solution by EDTA. The precipitation was carried out by raising the pH of the acidic solution containing EDTA and tannin by dilute ammonium hydroxide or hexamine. The pH of complete precipitation of titanium is 4.0 and above and that of uranium is 6.0 and above.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Potato research 4 (1961), S. 144-151 
    ISSN: 1871-4528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Zusammenfassung Die Colchicin-Behandlung von vorgekeimten Knollen steigerte den Ernteetrag bei 17 der angeführten 20 Sorten. Bei manchen Sorten blieb diese Wirkung durch zwei aufeinanderfolgende Jahre in welchen die Knollen nach den verschiedenen Behandlungen gezogen wurden, erhalten, obwohl keine weitere Behandlung angewandt wurde. Die optimale Dauer der Behandlung war je nach den Sorten verschieden, ebenso das allgemeine Ansprechen auf die Behandlungen. Bei wenigen Sorten führte die Behandlung zu einer Ertragsdepression, währenddem bei anderen die Ertragserhöhung verzögert wurde. Bei 8 der 20 Sorten kamen Abnormitäten der Knollenform vor. Die Behandlung hatte keine Wirkung auf die Reife ausser in einigen Fällen in welchen eine Verspätung von 2 bis 3 Tagen verzeichnet wurde.
    Abstract: Résumé Le traitement de tubercules germés à la colchicine avant la plantation a fait augmenter le rendement de 17 des 20 variétés étudiées. Dans certaines variétés, cet effet se manifesta pendant les deux années successives où les tubercules soumis aux différents traitements furent cultivés, bien que nul autre traitement ne fût appliqué. La durée optimale du traitement variait d'une variété, à l'autre, de même que la réponse générale au traitement. Le traitement réduisit le rendement de quelques variétés, tandis que dans d'autres cas, l'augmentation du rendement se manifesta avec un certain retard. Dans 8 variétés sur 20, il fut constaté des anomalies de conformation des tubercules. Le traitement n'influençait pas la maturation, sauf dans quelques cas où il fut observé un retard de 2 ou 3 jours.
    Notes: Summary Colchicine treatment of sprouted tubers before planting increased yield in 17 out of the 20 varieties reported. In some varieties this effect was maintained in the two succeeding years in which the tubers from the various treatments were grown, although no further treatment had been given. The optimum duration of treatment varied between varieties as did overall response. Treatment depressed yield in a few varieties, while in others yield increase was delayed. In 8 out of the 20 varieties abnormalities in tuber shape occurred. Treatment had no effect on maturation except in a few cases where a retardation of 2 or 3 days was recorded.
    Type of Medium: Electronic Resource
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