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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 39 (1974), S. 3138-3141 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 37 (1972), S. 1425-1428 
    ISSN: 1520-6904
    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
    The @journal of organic chemistry 38 (1973), S. 3160-3164 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 96 (1974), S. 4347-4348 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 3 (1974), S. 0 
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The occurrence of maternal mitotic cells in the circulation of newborn infants was studied after stimulation of cord blood lymphocytes with phytohemagglutinin (PHA) and purified protein derivative (PPD) A total of 27.698 mitoses from PHA cultures of lymphocytes from ten infants were examined by quinacrine fluorescence. In one child 0.07% (4 out of 5,853) of maternal cells were found. In preparations from seven of ten infants whose lymphocytes were stimulated with PPD, one to eight mitoses were found. However, all were of fetal origin.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 57 (1970), S. 44-44 
    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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  • 7
    ISSN: 1432-2307
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In Form von 4 Tierversuchen (Kälber) wird eine in vitro an Rinder-, Kälber- und Schafsherzen erarbeitete Methodik zur röntgenologischen Darstellung des RSL des Herzens bezüglich ihrer in-vivo-Tolerabilität erprobt. Klinisch kann die in-vivo-Tolerabilität grundsätzlich nachgewiesen werden; wir müssen jedoch betonen, daß durch die Verwendung hypertonischer Röntgenkontrastmittel Veränderungen im Bereich der Mikro- und Ultrastrukturen der RLS-Zellen induziert werden können, deren Dignität momentan nicht sicher eingestuft werden kann.
    Notes: Summary A method for radiological presentation of the left ventricular conduction system was tested for in-vivo tolerability. In-vivo tolerability could be demonstrated clinically; however, we should emphasize that hypertonic X-ray contrast dyes may cause morphological changes of unknown significance in the micro- and ultrastructures of the specialized musculature.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 357 (1972), S. 319-344 
    ISSN: 1432-2307
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die vergleichende licht- und elektronenmikroskopische Untersuchung von Muskelbiopsien bei dominant und recessiv erblicher Myotonie, Paramyotonia congenita, Adynamia episodica hereditaria mit Myotonie und myotonischer Dystrophie ergab bestimmte Unterschiede, aber auch einzelne, nicht bei allen untersuchten Fällen nachweisbare Gemeinsamkeiten. Nach ihrer Feinstruktur ließen sich 6 verschiedene Formen intrasarkoplasmatischer Tubulus- und Zisternensysteme differenzieren: Proliferierte Komponenten des sarkoplasmatischen Reticulums (s.R.) mit drei Sonderformen: (Ia) proliferierte Terminalzisternen; (Ib) tubuläre Aggregate mit oder (Ic) ohne innere Tubuli; (IIa und b) sehr seltene, aber wesentlich größere Tubuli von unbekannter Herkunft, die mit ca. 100 Å dicken Filamenten Komplexe bilden; und (III) flache Zisternensysteme, deren Einzelkomponenten nach Art septierter Verbindungen miteinander in engem Kontakt stehen. Die Proliferationserscheinungen am s.R. (Typ I) ließen sich nur bei der dominant erblichen myotonischen Dystrophie, Myotonia congenita und Paramyotonia congenita nachweisen, während bei der recessiv erblichen Myotonie in Übereinstimmung mit den bisherigen elektronenmikroskopischen Untersuchungen keine derartigen strukturellen Veränderungen nachweisbar waren. Mit Filamenten kombinierte Tubuli vom kleineren Typ (IIa) fanden sich lediglich bei einem Fall mit dominant erblicher Myotonia congenita; Riesentubuli (Typ IIb) nur bei einem Fall von Adynamia episodica hereditaria. Außer dem Fehlen von tubulären Aggregaten fiel bei der recessiv erblichen Myotonie das häufigere Vorkommen von ausgeprägten Faserhypertrophien auf, während die Häufigkeitsgipfel der Kaliberspektren bei den dominant erblichen Myotonia congenita-Fällen im Bereich kleinerer Faserkaliber lagen. Bei einigen Fällen fanden sich an zahlreichen Muskelfasern winzige elektronendichte Präcipitate („Inkrustationen“), die selektiv an der Oberfläche des Sarkolemms, auf der Sarkoplasmaseite des T-Systems und an Pinocytosevesikeln, nicht aber an den übrigen membranösen Bestandteilen der Muskelfasern oder an Fibroblasten oder Endothelzellen zu beobachten waren. Offensichtlich handelt es sich um ein unspezifisches, vermutlich artifizielles Präcipitationsphänomen, das wegen seiner geradezu cytochemischen Selektivität hinsichtlich der Lokalisation Beachtung verdient.
    Notes: Summary By comparing biopsies of autosomal dominant, autosomal recessive myotonia congenita, paramyotonia congenita, paramyotonia congenita, adynamia episodica hereditaria with myotonia, and myotonic dystrophy by light and electron microscopy, various alterations were observed, most of which however were non-specific. Six types of intrasarcoplasmic tubular aggregates or cisternae were identified: three types of proliferated derivatives of the sarcoplasmic reticulum (s.r.): proliferated terminal cisternae; tubular aggregates (presumably proliferated longitudinal components of the s.r.) with (Ib), or without internal tubules (Ic). Also, there wre two types of tubules of much larger diameter surrounded by 100 Å filaments (IIa and IIb), and closely packed cisternae with “dentate” junctions connecting adjacent membranes (III). Proliferated components of the s.r. were only seen in autosomal dominant myotonic dystrophy, myotonia congenita, and paramyotonia congenita, whereas in autosomal recessive myotonia no such changes were observed. Tubules forming complexes with filaments were seen in autosomal dominant myotonia congenita (type IIa), and in adynamia episodica hereditaria (type IIb, “giant tubules”). Tubular aggregates were not seen in autosomal recessive generalized myotonia. There were more hypertrophic fibers in autosomal recessive than in autosomal dominant myotonia. In some cases, numerous muscle fibers showed minute electron dense precipitates (“incrustations”) which were selectively located on the outer surface of the sarcolemma, on the sarcoplasmic side of the T-system and on micro-pinocytotic vesicles, but not on other membranous constituents of the muscle fiber, or fibroblasts or endothelial cells. Although the incrustations were considered artificial precipitates, that appeared to be rather non-specific, their distinctive location apparently reflected some kind of a cytochemical reaction of considerable selectivity but of unknown origin.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 233 (1971), S. 614-615 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The raw krypton samples were purified by removal of the oxygen in a magnesium furnace, and their activity was measured in a small gas proportional counter, of sensitive volume 11 cm3, surrounded by a lead shield 10 cm thick; a plastic scintillator was used as an anticoincidence counter. The ...
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Archiv der Mathematik 25 (1974), S. 561-565 
    ISSN: 1420-8938
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
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