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  • 1995-1999  (2)
  • 1995  (2)
  • Immunohistochemistry  (1)
  • sulfonated dye  (1)
  • 1
    Electronic Resource
    Electronic Resource
    The expression of placental-type glutathione S-tranferase (GST-π) in human cutaneous squamous cell carcinoma and normal human skin (1995)
    Springer
    Virchows Archiv 425 (1995), S. 589-592 
    Details
    ISSN: 1432-2307
    Keywords: Placental-type glutathione S-transferase ; Human skin ; Squamous cell carcinoma ; Northern blotting ; Immunohistochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The expression of human placental-type glutathione S-transferase (GST-π) was investigated in human cutaneous squamous cell carcinoma (SCC) and normal skin using Northern blot and immunohistochemical analysis. In Northern blot examination, the expression of GST-π transcript was recognized in all instances, and SCC showed a significantly higher expression of GST-π than normal skin. In immunohistochemical examination, GST-π was stained well in the cytoplasm of all cells of the stratum granulosum, many cells of the stratum spinosum and a few cells of the stratum basale in normal skin. Some cells of the stratum spinosum and almost all cells of the stratum basale showed only a weakly positive or almost negative reaction for GST-π. No nuclear staining of GST-π was obvious in normal epidermal cells. In SCC, many cells showed strong positivity for GST-π in the cytoplasm, and some were obviously accompanied by nuclear staining of GST-π. These findings suggest that GST-π exists mainly in many cells in the upper layers of the normal epidermis and that GST-π is involved in the process of carcinogenesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00199348
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effects of type of adsorption isotherms on parallel diffusion of sulfonated dyes into porous cellulose membrane (1995)
    Springer
    Colloid & polymer science 273 (1995), S. 793-799 
    Details
    ISSN: 1435-1536
    Keywords: Parallel diffusion ; surface diffusion ; pore diffusion ; adsorption isotherm ; cellulose membrane ; sulfonated dye
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Transport phenomenon of three sulfonated azo dyes, C.I. Acid Red 88, C.I. Direct Yellow 12, and C.I. Direct Blue 15 into water-swollen cellulose membranes has been analyzed on the basis of parallel transport theory by surface and pore diffusion. Langmuir equation was applied into the mass balance equation to estimate dye concentration in the pores. The results were compared with the results obtained by applying Freundlich equation in our previous papers. The surface diffusivity (D s) and the pore diffusivity (D p) for the parallel diffusion model obtained by applying Langmuir equation agreed with those obtained by applying Freudlich equation. The theoretical concentration profiles for parallel diffusion calculated usingD s andD p coincided accurately with the experimental data when we applied either Langmuir or Freundlich equations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00658759
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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