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  • FT-IR  (1)
  • Superoxide dismutase  (1)
  • Springer  (2)
  • 1
    Electronic Resource
    Electronic Resource
    IR-Spectroscopic investigations on phosphated galvanized steel (1994)
    Springer
    Microchimica acta 116 (1994), S. 101-109 
    Details
    ISSN: 1436-5073
    Keywords: infrared spectroscopy ; infrared reflection spectroscopy ; FT-IR ; conversion coating ; phosphate coating ; galvanized steel ; hopeite ; phosphophyllite
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Hopeite-type phosphate coatings in which zinc is replaced by other metals like nickel, manganese and magnesium are of great interest as conversion coatings on galvanized steel in the automotive and appliance industries. The analytical characterization of such coatings produced in special processes is not possible by XRD because the different types of hopeite are isomorphic. In this paper it is shown that the kind of metal substitution is responsible for certain specific features in the infrared reflection spectra. Furthermore the structural changes caused by dehydration due to heating of the coatings were studied and differences in the thermal stability of the different coatings thus could be observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01244068
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  • 2
    Electronic Resource
    Electronic Resource
    Occurrence of enzymes of free radical metabolism suggests the possible cytotoxic capacity of the transitional epithelium of the human ureter (1997)
    Springer
    Cell & tissue research 287 (1997), S. 351-356 
    Details
    ISSN: 1432-0878
    Keywords: Key words: Urothelium ; Tartrate-resistant acid phosphatase ; Nitric oxide synthase I ; Superoxide dismutase ; Immunocytochemistry ; Free radicals ; Human
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. Three enzymes, viz., tartrate-resistant acid phosphatase (TRAP), nitric oxide synthase I (NOS-I), and superoxide dismutase (SOD), involved in the production and metabolism of free radicals or radical equivalents, were demonstrated by immunocytochemistry in the urothelium of the ureters of six patients of various ages. Two of these enzymes (TRAP and NOS-I) were colocalized in the most apical and lateral border of the superficial cells of the urothelium. In contrast, SOD showed a patchy or granular distribution within the supranuclear region of these cells. Intra- and subepithelial macrophages exhibited a weak TRAP, but no NOS-I or SOD, immune reaction. On the basis of the immunocytochemical findings, arguments in favor of a cytotoxic function of the superficial cells of the human urothelium are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004410050760
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    Paper (German National Licenses)
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