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  • Electronic Resource  (5)
  • General Chemistry  (3)
  • Capillary blood flow  (1)
  • Compositae  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Absolute configuration of the pyrrolizidine alkaloid acetylgynuramine
    Amsterdam : Elsevier
    Phytochemistry 22 (1983), S. 2065-2067 
    Details
    ISSN: 0031-9422
    Keywords: Compositae ; Gynura scandens ; X-ray diffraction. ; absolute configuration ; acetylgynuramine ; pyrrolizidine alkaloid
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(83)80046-6
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Comparative rheology of nucleated and non-nucleated red blood cells (1981)
    Springer
    Pflügers Archiv 390 (1981), S. 278-282 
    Details
    ISSN: 1432-2013
    Keywords: Erythrocyte microrheology ; Erythrocyte deformation ; Avian blood cells ; Human blood cells ; Capillary blood flow
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Deformation and dynamic flow behaviour of nucleated duck erythrocytes were compared to those of non-nucleated human cells during steady flow (at wall shear stresses up to 3 N·m−2) through glass capillaries (diameter between 5 μm and 12 μm). While the deformation process of both cell species is qualitatively similar, significant quantitative differences demonstrate a lower deformability of the nucleated erythrocytes. In comparison to human cells, the avian red cells exhibit significantly lower stability of orientation during capillary flow. Viscometric measurements show that, in contrast to human red cell suspensions, the relative viscosity of nucleated cell suspensions does not decrease with increasing suspending medium viscosity. The results indicate that the hydrodynamic disturbance caused by avian erythrocytes in the flow of the suspending fluid is more pronounced than that of the mammalian cells. This is due to their lower ability to adapt to local shear forces.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00658276
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Kristallstrukturanalyse und Neutronenbeugung ITeil I: Neutronenbeugung an Atomkernen.  -  Teil II: Neutronenbeugung und magnetische Struktur; wird demnächst in dieser Zeitschrift erscheinen. (1969)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 81 (1969), S. 307-320 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Neutronenbeugung als Methode zur Kristallstrukturbestimmung ist eine wertvolle Ergänzung der Röntgenbeugungsmethoden. Nach einer Beschreibung ihrer Grundlagen und ihrer Entwicklung wird die weitergehende Aussagefähigkeit von Neutronenbeugungsexperimenten an Beispielen demonstriert: bei der Strukturanalyse von Benzol, Oxalsäuredihydrat, Vitamin B12, Ferriten, Metallcyaniden und -carbiden,  -  bei der Untersuchung von Wasserstoffbrücken, von ferroelektrischen Effekten sowie der thermischen Bewegung in Kristallen. Auch die anomale Dispersion bei der Beugung von Neutronen wird diskutiert.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19690810903
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  • 4
    Electronic Resource
    Electronic Resource
    Kristallstrukturanalyse und Neutronenbeugung IITeil II: Neutronenbeugung und magnetische Strukturen. - Teil I: Neutronenbeugung an Atomkernen [1]. (1969)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 81 (1969), S. 984-995 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Dieser zweite Teil des Aufsatzes „Kristallstrukturanalyse und Neutronenbeugung“ behandelt die Beugung von Neutronen an magnetisch geordneten Kristallen. Die Neutronenbeugung ist derzeit die einzige zuverlässige Methode zur Bestimmung der Größe, der Richtung und der räumlichen Verteilung von magnetischen Momenten in kristallinen Stoffen. Da die magnetischen Momente im wesentlichen von den ungepaarten Elektronen herrühren, kann so die Verteilung dieser Elektronen im Kristall gemessen werden.
    Additional Material: 15 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19690812305
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  • 5
    Electronic Resource
    Electronic Resource
    Crystal Structure Analysis by Neutron Diffraction IIPart II: Neutron Diffraction and Magnetic Structures. - Part I: Neutron Diffraction at Atomic Nuclei [1]. (1969)
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 8 (1969), S. 950-961 
    Details
    ISSN: 0570-0833
    Keywords: Crystal structure analysis ; Structure elucidation ; Neutron diffraction ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: This second part of the article “Crystal Structure Analysis by Neutron Diffraction” deals with the diffraction of neutrons by magnetically ordered crystals. Neutron diffraction is at present the only reliable method for the determination of the magnitude, direction, and spatial distribution of magnetic moments in crystalline substances. Since the magnetic moments are essentially due to the unpaired electrons, the distribution of these electrons in the crystal can be measured in this way.
    Additional Material: 15 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/anie.196909501
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    Paper (German National Licenses)
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