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  • 1
    Electronic Resource
    Electronic Resource
    New chromosomal malformation syndromes (1977)
    Springer
    European journal of pediatrics 125 (1977), S. 45-57 
    Details
    ISSN: 1432-1076
    Keywords: New chromosome deletion syndrome ; Partial monosomy 8p ; Conggenital heart anomalies ; Slow growth ; Mental retardation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammefassung Es wird der Fall eines geistig retardierten 8jährigen Knaben mit einer de novo Defizienz des kurzen Arms eines Chromosoms 8 beschrieben. Mit Hilfe einer G-Banden-Methode wurde in Lymphocyten und Fibroblasten der Karyotyp 46,XY,del(8) (pter p21:) festgestellt. Die Chromosomenbefunde der phänotypisch unauffälligen Mutter, Vater und Schwester waren normal. Veröffentlichungen über 4 ähnliche Patienten weisen auf das Vorliegen eines neuen Syndroms der partiellen Monosomie des kurzen Arms des Chromosoms 8 hin, das durch folgende Stigmata charakterisiert ist: geistige Retardierung, langsames Wachstum, hohe Stirn, breiter Brustkorb, weiter Mamillenabstand, Pulmonalstenose, Atrium- und/oder Ventrikulum-Septumdefekt, Hypoplasie der Genitalia, dermatoglyphische Stigmata.
    Notes: Abstract A mentally retarded 8-year-old boy with a de novo partial monosomy for the short arm of the No. 8 chromosome is described. Based on G-banding analysis, the patient's karyotype was identified in lymphocytes and skin fibroblasts as 46,XY,del(8) (pter→p21:). No chromosomal abnormalities were found in the phenotypically normal mother, father and sister of the propositus. Four further cases described in the literature indicate that partial monosomy of the short arm of the No. 8 chromosome might be associated with a syndrome characterized by the following stigmata: mental retardation, slow growth, high forehead, broad chest, wide-set nipples, pulmonary stenosis with atrial and/or ventricular septal defect, hypoplasia of the genitalia, dermatoglyphic stigmata.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00470605
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  • 2
    Electronic Resource
    Electronic Resource
    Multiphoton Dissociation of Polyatomic Molecules (1979)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Physical Chemistry 30 (1979), S. 379-409 
    Details
    ISSN: 0066-426X
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.pc.30.100179.002115
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  • 3
    Electronic Resource
    Electronic Resource
    Refined mapping of the gene for glutathione reductase on human chromosome 8 (1978)
    Springer
    Human genetics 〈Berlin〉 43 (1978), S. 221-224 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Activity of the enzyme glutathione reductase (EC 1.6.4.2) in erythrocytes and fibroblasts of a patient with karyotype 46, XY, del(8) (pterp212:) was found to be in the normal range. With results from other laboratories, this allowed a more precise mapping of the gene for this enzyme in the region 8p2100–8p212.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00293599
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  • 4
    Electronic Resource
    Electronic Resource
    Chalkogenolat-lonen und ihre Derivate. I. Darstellung und Eigenschaften salzartiger Chalkogenophenolate (1977)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 435 (1977), S. 98-102 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Chalcogenolates and their Derivatives. I. Syntheses and Properties of Ionic ChalcogenophenolatesThe syntheses and properties of ionic chalcogenophenolates are described. Using liquid ammonia as solvent the alkali chalcogenophenolates M[EPh] (M = Na, K; E = Se, Te; Ph = C6H5) have been synthesized via reduction of the diphenyl dichalcogenides with alkali metals. Similarly, the tetraphenylphosphonium chalcogenophenolates [Ph4P][EPh] (E = S, Se, Te) have been obtained by reacting alkali chalcogenophenolates with tetraphenylphosphonium chloride.
    Notes: Darstellung und Eigenschaften salzartiger Chalkogenolate werden beschrieben. In verflüssigtem Ammoniak als Lösungsmittel lassen sich die Alkalichalkogenophenolate M[EPh] (M = Na, K; E = Se, Te; Ph = C6H5) durch Spaltung der Diphenyldichalkogenide mit Alkalimetallen, die Tetraphenylphosphoniumchalkogenophenolate [Ph4P][EPh] (E = S, Se, Te) durch doppelte Umsetzung der Alkalichalkogenophenolate mit Tetraphenylphosphoniumchlorid erhalten.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19774350113
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  • 5
    Electronic Resource
    Electronic Resource
    Wasserstoffbrücken-Dimerisation einiger P-oxo-N-hydro-cyclophosphazene (1977)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 436 (1977), S. 283-288 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Hydrogen-bonded Dimerisation of Several P-oxo-N-hydro-cyclophosphazenes1,3,3,5,5-Pentamethoxy-1-oxo-2-hydro-cyclotriphosphazadiene and 1,3,3,5,5,7,7-heptamethoxy-1-oxo-2-hydro-cyclo-tetraphosphazatriene are hydrogen-bonded dimers in solutions of low polarity. Partial dissoziation of these dimers occurs e. g. in chloroform. Monomeric and dimeric species may be properly quantitated by infrared spectroscopy in deuterochloroform. Equilibrium constants and dissociation enthalpies were determined.
    Notes: 1,3,3,5,5-Pentamethoxy-1-oxo-2-hydro-cyclotriphosphazadien und 1,3,3-,5,5,7,7-Heptamethoxy-1-oxo-2-hydro-cyclotetraphosphazatrien liegen in Lösungen geringer Polarität als doppelt wasserstoffverbrückte Dimere vor. In Chloroform sind diese teilweise dissoziiert. Monomeres und Dimeres können infrarotspektroskopisch in Deuterochloroform quantitativ erfaßt werden. Gleichgewichtskonstanten und Dissoziationsenthalpien wurden auf diesem Wege ermittelt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19774360137
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  • 6
    Electronic Resource
    Electronic Resource
    Zur Reinstdarstellung oligomerer ChlorcyclophosphazeneProfessor Kurt Issleib zum 60. Geburtstage gewidmet (1979)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 458 (1979), S. 318-320 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Ultra-Purification of Oligomeric ChlorocyclophosphazenesChlorocyclophosphazenes are obtained usually as a mixture of different ring size oligomers. Isolation of the raw oligomeric species may be performed easily, while their ultrapurification is a rather difficult operation. For special requirements, ultrapure oligomeric chlorocyclophosphazenes may be obtained by a high-yield zone-melting procedure.
    Notes: Die applikativ und theoretisch bedeutenden oligomeren Chlorcyclophosphazene fallen bei den klassischen Syntheseverfahren als Komponenten eines Gemisches verschiedener Ringgrößen an. Während eine Isolierung der einzelnen Spezies in rohem Zustand im allgemeinen keine Schwierigkeiten bereitet, ist ihre Reinstdarstellung nicht unproblematisch. Die manchmal erforderlichen hochgereinigten Verbindungen sind mit geringem Aufwand im Zonenschmelzverfahren zugänglich.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19794580142
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