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  • 21
    ISSN: 1422-6375
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 22
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 52 (1974), S. 672-677 
    ISSN: 1432-1440
    Keywords: Whipple's disease ; electron microscopy ; immunology ; immunohistology ; Morbus Whipple ; Elektronenmikroskopie ; Immunologie ; Immunhistologie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Berichtet wird über den ungewöhnlichen Verlauf eines Morbus Whipple. Unter antibiotischer Therapie tritt klinisch eine völlige Beschwerdefreiheit ein. Mehrfache Kontrollbiopsien zeigen eine hochgradige und progrediente Kollagenisierung des Stratum proprium mucosae, die besonders auch pericellulär und im Bereich der epithelialen Basalmembran entwickelt ist. Lymphocyten, Plasmazellen und interepitheliale lymphoide Rundzellen sind stark vermehrt. Immunologisch ist Serum-Komplement (C3-Fraktion) erniedrigt. Immunhistologisch findet sich nach Inkubation mit Patientenserum eine cellulär-cytoplasmatische Fluorescenz mit Anti-Komplement von subepithelial und interepithelial gelegenen Zellen. Die Befunde werden im Sinne eines hyperreaktiven Vorganges, der möglicherweise zur Induktion eines cellulären Immunmechanismus geführt hat, diskutiert.
    Notes: Summary An unusual course of Whipple's disease is reported. All clinical symptoms disappear with antibiotic therapy. Multiple control biopsies show a high grade and progressive collagen formation of the stratum proprium mucosae which takes places especially in the pericellular region and near the epithelial basal membrane. The number of lymphocytes, plasma cells and interepithelial lymphoid round cells is increased considerably. Immunologically the serum complement (C3-fraction) is decreased. Immunohistologically subepithelially and interepithelialy situated cells are found after incubation with the patients serum showing a cellular-cytoplasmatic fluorescence with anti-complement. These findings are discussed as a hyperreactive mechanism possibly leading to induction of a cellular immune process.
    Type of Medium: Electronic Resource
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  • 23
    Electronic Resource
    Electronic Resource
    Springer
    Cell & tissue research 177 (1977), S. 9-28 
    ISSN: 1432-0878
    Keywords: Superposition eye ; Lamina ganglionaris ; Cloeon dipterum ; Light- and electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The lamina ganglionaris of the superposition eye of Cloeon dipterum is composed of separate optic cartridges arranged in a hexagonal pattern. Each optic cartridge consists of one central, radially branched monopolar cell (Li) surrounded by a crown of seven retinula cell terminals and two more unilaterally branched monopolar cells (La1/La2) situated close together outside the cartridge. Projections to neighbouring cartridges have not been observed. In most cases, synaptic contacts could be seen between a presynaptic retinula cell and more than two other postsynaptic profiles, which belong to monopolar cells or sometimes to glial cells. Seven retinula cell fibers of one ommatidium pass in a bundle through the basement membrane, run into their respective cartridges without changing orientation and terminate at approximately equal levels in the lamina. Long visual fibers with endings in the medulla are not visible in the superposition eye lamina, but are present in the lateral apposition eye. The relationship between the behaviour of the animal, optic mechanisms of the superposition eye and the structure of the lamina is discussed.
    Type of Medium: Electronic Resource
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  • 24
    Electronic Resource
    Electronic Resource
    Springer
    Biotechnology letters 1 (1979), S. 15-20 
    ISSN: 1573-6776
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary Waterinsoluble catalysts with high activity and homogeneous enzyme distribution show low efficiency when using low substrate concentrations, high molecular weight substrates of unbuffered systems. This paper presents an optimised.catalyst design by introducing inhomogeneous enzyme distribution throught the matrix which leads to higher efficiencies.
    Type of Medium: Electronic Resource
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  • 25
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 256 (1978), S. 290-290 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 26
    Electronic Resource
    Electronic Resource
    Springer
    Biotechnology letters 7 (1985), S. 113-118 
    ISSN: 1573-6776
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract Pressed beet pulp has been fermented in batch experiments by adapted mixed cultures under anaerobic conditions. Hydrolysis of the constituents proceeds in two stages, first pectin and pentosans, then cellulose are degraded. These reactions limit the overall process, whereas the formation of organic acids, mainly acetic, propionic and butyric acid, proceeds more readily.
    Type of Medium: Electronic Resource
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  • 27
    Electronic Resource
    Electronic Resource
    Springer
    Biotechnology letters 7 (1985), S. 119-124 
    ISSN: 1573-6776
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary A continuous two step anaerobic digestion of sugar beet pulp as carbon and energy source was carried out. The loading rates in the acidification reactor were varied from 5 g·1−1·d−1 to 15 g·1−1·d−1 while the hydraulic retention time was in the range of 10 hours to 30 hours; the corresponding values for the methane reactor varied from 2 days to nearly 6 days. With this reactor configuration a biogas yield of more than 85% of the theoretical value for total carbon conversion was achieved resulting in a corresponding COD reduction.
    Type of Medium: Electronic Resource
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  • 28
    Electronic Resource
    Electronic Resource
    Springer
    Biotechnology letters 1 (1979), S. 451-456 
    ISSN: 1573-6776
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract For catalyst optimization, enzyme immobilization may be controlled in such a way that most of the protein is fixed in the outer shells of a porous particle. Calculation of the profiles of fixed enzymes predicts efficiencies similar to those found experimentally.
    Type of Medium: Electronic Resource
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  • 29
    Electronic Resource
    Electronic Resource
    Springer
    Biotechnology letters 4 (1982), S. 70-70 
    ISSN: 1573-6776
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 30
    Electronic Resource
    Electronic Resource
    Springer
    Biotechnology letters 15 (1993), S. 139-144 
    ISSN: 1573-6776
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary Microbial modification of the disaccharide isomaltulose to 3-keto-isomaltulose by resting cells of Agrobacterium tumefaciens was investigated with respect to kinetics and yield. After optimization of the reaction conditions, yields of about 90 % were achieved. This specific oxidation was also applied to derivates of isomaltulose (sugar alcohol, amino alcohol).
    Type of Medium: Electronic Resource
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