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  • Chemistry  (16)
  • Ureter  (2)
  • Histochemistry  (1)
  • Iris  (1)
  • Life Sciences  (1)
  • 1970-1974  (21)
Collection
Keywords
Publisher
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Degeneration and regeneration of smooth muscle transplants in the anterior eye chamber (1971)
    Springer
    Cell & tissue research 117 (1971), S. 155-175 
    Details
    ISSN: 1432-0878
    Keywords: Smooth Muscle Transplants ; Vas deferens ; Bladder ; Ureter ; Wound healing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Smooth muscle from small segments of the vas deferens, urinary bladder and the ureter of the guinea pig was transplanted into the anterior chamber of the eye. Some muscle cells had a normal appearance, but others showed morphological changes during the first few days following transplantation. Changes of two main kinds were observed: some cells contained aggregations of glycogen granules and lipid droplets; other cells were characterized by either a general increase in electron density of the cell with the presence of very thick filaments (which are, possibly, aggregates of thin filaments), or cells containing an electron-dense nucleus, ruptured cellular membranous systems and degenerating mitochondria. Following revascularisation, which commenced one to two days after transplantation, areas containing cells with an appearance similar to that of embryonic smooth muscle were apparent. Evidence of mitosis of smooth-muscle and other cell types was also noted, the most active period being five to ten days after transplantation. Bundles containing normal muscle cells were apparent by four weeks in these transplants. However, whole undissected transplants contained normal-looking muscle bundles after one week. These findings are discussed in relation to the repair of wounds to smooth muscle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00330735
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  • 2
    Electronic Resource
    Electronic Resource
    Lanthanum nitrate in a smooth muscle membrane system (1974)
    Springer
    Cell & tissue research 147 (1974), S. 157-161 
    Details
    ISSN: 1432-0878
    Keywords: Smooth muscle ; Iris ; Lanthanum nitrate ; Sarcoplasmic reticulum ; Electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Smooth muscle cells of the guinea-pig sphincter pupillae were fixed in the presence of 3% lanthanum nitrate. Although only small amounts of lanthanum were found in plasmalemmal vesicles, large deposits were present within a membrane system resembling sarcoplasmic reticulum. The significance of these findings is discussed in relation to the use of lanthanum nitrate as an extracellular tracer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00582790
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  • 3
    Electronic Resource
    Electronic Resource
    Formation of fenestrated capillaries in mammalian vas deferens and ureter transplants (1972)
    Springer
    Cell & tissue research 134 (1972), S. 167-173 
    Details
    ISSN: 1432-0878
    Keywords: Fenestrated capillaries ; Transplantation ; Vas deferens ; Ureter ; Electronmicroscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary This paper discusses the possibility that fenestrated capillaries may be induced by the presence or action of epithelial cells. Fenestrations were shown to exist in a number of capillaries in close proximity to the epithelium in the in situ guinea-pig vas deferens and ureter. These results suggest further roles for the vas deferens and ureter than those previously conceived. Transplants of these tissues in the anterior eye chamber were, by two weeks, highly vascularized. Those transplants containing epithelium showed fenestrated capillaries in close proximity to these cells. However, in transplants which did not contain epithelial cells, no fenestrations were noted in capillaries.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00307150
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  • 4
    Electronic Resource
    Electronic Resource
    Histological and histochemical studies on the rhesus monkey (Macaca mulatta) olfactory mucosa (1970)
    Springer
    Cell & tissue research 103 (1970), S. 291-319 
    Details
    ISSN: 1432-0878
    Keywords: Primates ; Sense organs ; Olfactory Mucosa ; Histochemistry ; Histology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Detailed histochemical studies on the localization of various oxidative and dephosphorylating enzymes and esterases have been made on the olfactory mucosa of the rhesus monkey. The upper part of dendritic process and terminal rods of receptor cells and the upper part of supporting cells show high oxidative enzyme activity. The soma and infranuclear parts of receptor and supporting cells have much lower oxidative enzyme activity. The basal cells and perineural epithelial cells have high hydrolytic enzyme activity, though they show low oxidative enzyme activity. Alkaline phosphatase is localized in the olfactory axons, basal cells and perineural epithelial cells. The receptor and supporting cells contain much less adenosine triphosphatase activity than the basal cells and perineural epithelial cells. The axons of receptor cells pass between the basal cells and come out from the basal cell layer forming the olfactory nerve fasciculi, most of which are surrounded completely by flat squamous cells starting from the base of the basal cell layer. The basal cells are histochemically and cytologically related to the perineural epithelial cells covering the olfactory nerve fasciculi. Basal cells probably cannot give rise to supporting cells and are not young forms of supporting cells. The degenerating receptor cells as well as the olfactory nerve fasciculi which are not completely covered by the flat squamous cells may make the locus minoris resistentiae in the olfactory mucosa. The olfactory axons are rich in most of enzymes we have tested. They seem to be metabolically very active and both cholinergic and adrenergic in nature. The mucosal secretion covering the olfactory epithelium contains oxidative and some hydrolytic enzymes. Bowman's glands show high activity for most enzymes except cholinesterases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00335275
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  • 5
    Electronic Resource
    Electronic Resource
    Polyelectrolyte complex of heparin with chitosan (1974)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 175 (1974), S. 2209-2211 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1974.021750724
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  • 6
    Electronic Resource
    Electronic Resource
    Polyelectrolyte complex of sodium dextran sulfate with chitosan (1974)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 175 (1974), S. 3593-3596 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1974.021751223
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  • 7
    Electronic Resource
    Electronic Resource
    Formaldehyde polymers, 15Part 14, cf.1.. Isolation and mass spectral behavior of 3,3′-methylenebis(5-methyl-1,2-phenyleneoxy)dipropionic acid and 3-{2,6-bis[2-(2-carboxyethoxy)-5-methylbenzyl]-4-methylphenoxy}propionic acid (1973)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 174 (1973), S. 225-229 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1973.021740119
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  • 8
    Electronic Resource
    Electronic Resource
    Electrochemical polymerization of acenaphthylene (1973)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 173 (1973), S. 233-234 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1973.021730116
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  • 9
    Electronic Resource
    Electronic Resource
    Electrochemical polymerization of acrylonitrile by a rectangular wave form current (1974)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 175 (1974), S. 687-689 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1974.021750227
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  • 10
    Electronic Resource
    Electronic Resource
    Studies on the structure of polyurethane elastomers, 4Part 3: cf.2.. NMR spectra of linear polyurethane based on 2,4-tolylenediisocyanate (1974)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 175 (1974), S. 3425-3436 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Es wird gezeigt, daß Harnstoff- und Carbamoyl-(Urethan-)Gruppierungen in 2,4-Tolylendiisocyanat(1)-Derivaten durch ihre verschiedene chemische Verschiebung unterschieden werden können, wenn NMR-Messungen in N,N-Dimethylacetamid durchgeführt werden, das LiCl enthält. Die Methode kann ferner für die Analyse von Polyurethan Präpolymeren, dargestellt aus α-(Hydroxytetramethylen)-ω-hydroxypoly(oxytetramethylen) (2) und 1, angewandt werden.
    Notes: It is shown that urea and carbamoyl (urethane) groups in derivatives of 2,4-tolylenediisocyanate (1) can be differentiated by their chemical shifts when the NMR measurements are carried out in N,N-dimethylacetamide (DMA) which contains lithium chloride. This method can further be applied to the analysis of linear polyurethane prepolymers prepared from α-(hydroxytetramethylene)-ω-hydroxypoly(oxytetramethylene) (2) and 1.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1974.021751209
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