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Digitale Medien

Manshurolide, a sesquiterpene lactone from Aristolochia manshuriensis

Rucker, G. ; Ming, C.W. ; Mayer, R. ; [weitere]

Amsterdam : Elsevier

Phytochemistry 29 (1990), S. 983-985

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ISSN: 0031-9422

Schlagwort(e): Aristolochia manshuriensis ; Aristolochiaceae ; manshurolide ; sesquiterpene lactones.

Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Thema: Biologie , Chemie und Pharmazie

Materialart: Digitale Medien

URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(90)80062-L

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Digitale Medien

Comparative rheology of nucleated and non-nucleated red blood cells (1981)

Gaehtgens, P. ; Schmidt, F. ; Will, G.

Springer

Pflügers Archiv 390 (1981), S. 278-282

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ISSN: 1432-2013

Schlagwort(e): Erythrocyte microrheology ; Erythrocyte deformation ; Avian blood cells ; Human blood cells ; Capillary blood flow

Quelle: Springer Online Journal Archives 1860-2000

Thema: Medizin

Notizen: 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.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00658276

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Digitale Medien

Crystal Structure Analysis by Neutron Diffraction IIPart II: Neutron Diffraction and Magnetic Structures. - Part I: Neutron Diffraction at Atomic Nuclei [1]. (1969)

Will, G.

Weinheim : Wiley-Blackwell

Angewandte Chemie International Edition in English 8 (1969), S. 950-961

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ISSN: 0570-0833

Schlagwort(e): Crystal structure analysis ; Structure elucidation ; Neutron diffraction ; Chemistry ; General Chemistry

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: 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.

Zusätzliches Material: 15 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/anie.196909501

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