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  • Electronic Resource  (10)
  • 1960-1964  (7)
  • 1955-1959  (2)
  • 1905-1909  (1)
Material
  • Electronic Resource  (10)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 66 (1962), S. 877-878 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 331 (1958), S. 666-695 
    ISSN: 1432-2307
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary By means of a lengthy method of continuous cytologic and histologic study, an experimentally produced reactive process in lymphnodes was analyzed. This analysis was made both qualitatively and quantitatively, in an attempt to clarify the mechanisms of reaction and the underlying cellular alterations producing this change. The reaction begins in the medullary cords and gradually spreads to the cortex. New cells are formed. This cytopoesis, considered “accidental”, quantitatively exceeds the physiologic process, and depends upon stimulation of the reticulo-cellular system. The cells of this “accidental” cytopoesis are characteristically very variable in form. A constant transition of forms occurs. This dynamic cell, as it is seen in the reactive formation of new cells, can be observed only by continuous study. The small reticulum cell proves to be a particularly adaptable and plastic element, and is the real basis of the reaction. Large and small lymphocytes, as well as transitional forms and plasma cells are derived from it. For these cell types, no other “parent” cells can be postulated. The reactive formation of new cells reaches its maximum between the 20th and 26th day, and then shows a steady decrease in spite of further “stimulation” of the lymphnode. During the course of the reaction numerous quantitative interrelationsships among the individual groups of cells can be found. The conclusions gained from the cellular preparations are substantiated by means of histological controls and supplemented by a few important other points. The observation of the cytologic and histologic cellular movements, of the quantitative interrelationships among the individual groups of cells, and of the continuous change in form of the cells during the reaction are made the basis for the survey of the cytopoesis in lymphatic tissue. The large reticulum cell is considered to be the “parent” cell for the accidental formation of cells in reactive processes. The cellular supply is maintained probably by means of hemihomo-hemiheteroplastic reproduction. The small reticulum cell with the highest mitotic rate apparently reproduces itself in the homoplastic way. Those cells derived from it are responsible for the polymorphous picture of cells in the reactive processes of the lymphatic tissue. The theories of determinate developmental processes and the retrograde transformation of cells in lymphatic tissues are rejected. Both the bud-like formations on the nuclei of the small reticulum cells, and the appearance of dwarfed nuclei, in conjunction with the quantitative relation to the number of binucleated reticulum cells, suggest a mechanism of growth which shows similarity to the karyonomia or meroamitosis.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Microchimica acta 52 (1964), S. 620-625 
    ISSN: 1436-5073
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary A method is described for the quantitative determination of chenodesoxycholic acid conjugates in presence of related desoxycholic acid conjugates through reaction with ethyl acetate-sulfuric acid-acetic anhydride.
    Abstract: Résumé On décrit un procédé qui permet le dosage des conjugués de l'acide chénodésoxycholique en présence des conjugués analogues de l'acide désoxycholique par réaction avec le systéme acétate d'éthyle-acide sulfurique-anhydride acétique.
    Notes: Zusammenfassung Ein Verfahren wird beschrieben, das die quantitative Bestimmung der Chenodesoxycholsäure-Konjugate in Gegenwart der entsprechenden Desoxycholsäure-Konjugate durch Reaktion mit Äthylacetat-Schwefels aure-Essigsäureanhydrid ermöglicht.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Archives of orthopaedic and trauma surgery 47 (1955), S. 436-442 
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 42 (1964), S. 192-196 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary There is no chromatographic method for separation of the conjugated dihydroxycholanic acids. A method was therefore developed which permits the quantitative determination of these acids based on the characteristic absorption curves after sulfuric acid reaction.
    Notes: Zusammenfassung Da keine chromatographischen Verfahren zur Trennung der konjugierten Dihydroxycholansäuren verfügbar sind, wurde ein Verfahren entwickelt, welches die quantitative Bestimmung dieser Säuren auf Grund der charakteristischen Absorptionskurven nach Schwefelsäure-Reaktion gestattet.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 42 (1964), S. 901-908 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary A method for quantitative determination of bile acids was developed. This method is based upon specific reactions to detect free and conjugated dihydroxycholanic acids which cannot be separated by means of thin-layer chromatography. Free and conjugated deoxycholic acid may be determined by reaction with salicylaldehyde-sulfuric acid-acetic acid, free and conjugated chendeoxycholic acid with ethylacetate-sulfuric acid-acetic anhydride, both in presence of the corresponding isomeres after thin-layer separation. To determine cholic acid and its conjugates the reaction with 65% sulfuric acid is used.
    Notes: Zusammenfassung Es wird ein Verfahren zur quantitativen Bestimmung von Gallensäuren nach Dünnschichtchromatographie beschrieben, welches auf der Anwendung spezifischer Nachweisreaktionen für die dünnschichtchromatographisch nicht oder nur ungenügend zu trennenden Dihydroxycholansäuren und ihrer Conjugate beruht. Freie und konjugierte Desoxycholsäure läßt sich mit Salicylaldehyd-Schwefelsäure-Eisessig, freie und konjugierte Chenodesoxycholsäure mit Äthylacetat-Schwefelsäure-Essigsäure-anhydrid nach Dünnschichtchromatographie jeweils in Gegenwart des entsprechenden Isomeren bestimmen. Die Messung der Cholsäure und ihrer Conjugate erfolgt nach Reaktion mit 65% Schwefelsäure.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Journal of cancer research and clinical oncology 8 (1909), S. 183-194 
    ISSN: 1432-1335
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 41 (1963), S. 1094-1095 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung Es wird eine zweidimensionale dünnschichtchromatographische Technik beschrieben, durch welche konjugierte und freie Galensäuren auf einer Dünnschichtplatte getrennt werden können.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Psychiatric quarterly 38 (1964), S. 81-96 
    ISSN: 1573-6709
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Clinical and experimental medicine 138 (1964), S. 425-434 
    ISSN: 1591-9528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Determinations of the lipid content of serum from normals and patients with atherosclerosis revealed significant increases in total lipids and phospholipids in patients. The analysis of individual phospholipids after thin-layer chromatographic separation showed a significant increase of lecithin, sphingomyelin, and cephalin contents in atherosclerotic subjects. The percentage composition of the phospholipids in patients was not different from that in normals. A 2–3 fold increase in the absolute and relative amount of the cephalin fraction, as stated by other authors, could thus not be confirmed.
    Notes: Zusammenfassung Bei der Analyse der Serumlipide von Gesunden und Arteriosklerosekranken fand sich bei den Patienten eine signifikante Erhöhung der Gesamtlipide und der Phosphatide. Die Bestimmung der dünnschichtchromatographisch getrennten einzelnen Phosphatide ergab eine statistisch gesicherte Zunahme des Lecithin-, des Sphingomyelin- und des Kephalingehaltes bei den Arteriosklerosekranken, die prozentuale Zusammensetzung der Phosphatide zeigte dagegen keine Unterschiede zwischen Gesunden und Kranken. Die von anderen Autoren beschriebene zweibis dreifache Vermehrung des Kephalingehaltes im Serum von Arteriosklerosepatienten konnte nicht bestätigt werden.
    Type of Medium: Electronic Resource
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