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  • 1
    Electronic Resource
    Electronic Resource
    Characterization of mononuclear cells in the inflammatory infiltrates of cutaneous tumours (1977)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 97 (1977), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The identification of mononuclear cells extracted from cutaneous tumours (basal cell carcinoma, squamous cell carcinoma and superficial spreading melanoma) has been investigated. The relative numbers of T cells and B cells have been determined using the E-rosette test and the EAC-rosette test. The results have been compared to those of delayed hypersensitivity type reactions. Different cell distribution patterns (E/EAC ratio) have been found in the infiltrates according to the type of tumour.An immunocytochemical technique has been developed for the identification in situ of immunoglobulin-producing cells in the inflammatory infiltrates. In each case the class of immunoglobulin (IgM, IgG or IgA) has been identified and the relative frequency of Ig-producing cells has been determined.The results indicate humoral and cellular immune responses with variations attributable to the type of tumour. In weakly malignant tumours, the infiltrate is characterized by an elevated number of T lymphocytes and numerous plasma cells which secrete all classes of Ig; in highly malignant tumours it is characterized by a reduced number of both T lymphocytes (E rosette) and plasma cells which do not secrete all classes of Ig.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1977.tb15421.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Reef fish behaviour during a total solar eclipse at Pinta Island, Galápagos (1998)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 53 (1998), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Diurnal fishes responded rapidly to decreased light levels during a total solar eclipse and sought shelter in the reef. Nocturnal fishes sometimes left the cover of their daytime habitats. The activity cycles of diurnal reef fishes appear to be a direct response to changes in light level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1998.tb01010.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Naevocellular naevus and psoriasis: histological and ultrastructural observations (1977)
    Springer
    Archives of dermatological research 259 (1977), S. 303-306 
    Details
    ISSN: 1432-069X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00561458
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Molecular characterization of the RNA3 of asparagus virus 2 (1999)
    Springer
    Archives of virology 144 (1999), S. 185-192 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary.  Asparagus virus 2 (AV 2) has been detected in all major asparagus growing areas around the world and it has been suggested that, in association with other pathogens, it might be an important factor for the condition called asparagus decline. Although AV 2 was first reported in the 70’s, only few of its biochemical characteristics have been actually studied. Some properties of an AV 2 isolate from Guanajuato, Mexico were characterized and its RNA3 cloned and sequenced. Electrophoretic analysis of AV 2 RNA showed 3 genomic RNAs (RNA1. 3.0; RNA2 2.7; and RNA3 2.3 kb) and a fourth, subgenomic, RNA4 of 1.1 kb. In vitro translation data confirmed that coat protein is produced by translation of the subgenomic RNA4, as reported for other bromoviruses. Sequence analysis of AV 2 RNA3 showed two open reading frames identified by sequence comparisons and immunological assays as coding the movement and coat proteins (MP and CP, respectively). AV 2 CP showed a high percentage of identity with the CPs from other members of the subgroup II of the ilarvirus genus. The percentage of identity with other ilarviruses decreased dramatically and in some cases was lower than the values obtained with members of different genera.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007050050495
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  • 5
    Electronic Resource
    Electronic Resource
    COPPER CONTENTS IN MEDITERRANEAN ECOSYSTEMS IN SOUTH AMERICA (1997)
    Springer
    Environmental monitoring and assessment 45 (1997), S. 223-235 
    Details
    ISSN: 1573-2959
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Copper mining activities are very important in central Chile.Like other metals, copper is a nutrient for most plants at lowconcentration levels; however, at higher levels it may becometoxic. At present, copper abundance in mediterraneanecosystems is unknown both for vegetation and soils. In thisstudy, two localities of the Coastal Range in central Chilewere studied. Copper content was found to be mainly related tosite type, and secondly to the components of the ecosystem.Copper contents are similar to other mediterranean ecosystemsof the world. Soil was found to represent the main source ofdata variation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1005760432503
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  • 6
    Electronic Resource
    Electronic Resource
    Exponential growth in systems limited by substrate concentration (1973)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 15 (1973), S. 589-596 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260150316
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    Paper (German National Licenses)
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