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  • Chemistry  (7)
  • 5S-antibody (immunoglobulin)  (1)
  • 61.70.Tm  (1)
  • 61.70.Wp  (1)
  • Bile acid derivatives  (1)
  • Bile acid transport proteins  (1)
  • Chick embryo  (1)
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  • 1
    Digitale Medien
    Digitale Medien
    Saturation and isotope mixing during low-temperature implantations of hydrogen into metals (1982)
    Springer
    Applied physics 27 (1982), S. 19-29 
    Details
    ISSN: 1432-0630
    Schlagwort(e): 61.70.Tm ; 61.70.Wp ; 61.80.Jh.
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Physik
    Notizen: Abstract Deuterons of 10 keV energy and protons with the same mean projected range have been implanted into several metals at a temperature of approximately 35 K and at dose rates of approximately 2 × 1014 cm−2 s−1. The amount of retained deuterium saturates at fluences larger than roughly 2 × 1018 cm−2. After implantation of deuterons and subsequent bombardment with protons, the deuteron depth profiles show characteristic double peak structures, which indicate a replacement process. The experimental data are in good agreement with a simple model of local saturation and mixing. The possible implications of this model are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01197542
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  • 2
    Digitale Medien
    Digitale Medien
    Structural and functional differentiation of the embryonic chick pineal organ in vivo and in vitro (1990)
    Springer
    Cell & tissue research 260 (1990), S. 337-348 
    Details
    ISSN: 1432-0878
    Schlagwort(e): Pineal organ ; Organ culture ; Pinealocytes ; Differentiation ; Melatonin ; Radioimmunoassay ; Chick embryo
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary The development of sensory structures in the pineal organ of the chick was examined by means of scanning electron microscopy from embryonic day 10 through day 12 post-hatching. At embryonic day 10, the wall of the tubules within the pineal primordium is composed of cells with unspecialized luminal surface. Differentiation of sensory structures starts at embryonic day 12 when pinealocytes and supporting cells can be distinguished. Pinealocytes are recognized by virtue of an inner segment only rarely endowed with a cilium, whereas supporting cells exhibit numerous short microvilli. Further differentiation of the sensory apparatus is achieved by development of an oval-shaped, biconcave swelling at the tip of the cilium, 1×2 μm in size, and a collar of long microvilli at the base of the inner segment. Membrane specializations of sensory cilia, however, were not detected. Since during embryonic life new tubules and follicles are continuously formed, all stages of differentiation of sensory structures are found in the chick pineal organ during the second half of the incubation period and the first two weeks after hatching. In 200-μm-thick Vibratome sections of chick-embryo pineal organs cultured in medium BM 86 Wissler for periods up to 13 days the cytodifferentiation parallels the development in vivo. Using an organ-culture system the 24-h release of melatonin into the culture medium was measured by means of radioimmunoassay after solid-phase extraction. At embryonic day 10, the 24-h secretion of melatonin was at the lower range of detection of the RIA (5 pg). The rapid increase in 24-h secretion in melatonin until hatching (∼50 μg) is approximated by an exponential curve.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00318636
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  • 3
    Digitale Medien
    Digitale Medien
    Synthesis of affinity chromatography and electrophoresis matrices for the purification of bile acid transport proteins (1991)
    Springer
    Chromatographia 32 (1991), S. 265-268 
    Details
    ISSN: 1612-1112
    Schlagwort(e): Affinity chromatography ; Affinity electrophoresis ; Bile acid transport proteins ; Bile acid derivatives
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Summary For the purification of the bile acid transport proteins from rat hepatocytes high affinity taurocholic acid derivatives were synthesized. One type was designed for coupling to a Sepharose matrix and the other for copolymerization with acrylamide. The resulting matrices were found to be suitable for affinity chromatography and affinity electrophoresis. In both syntheses, 3α, 12α-dihydroxy-7β-amino (tauro) cholic acid derivatives were used as the starting material, since substitution in this position had previously been shown not to alter transport affinity constant.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02276251
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  • 4
    Digitale Medien
    Digitale Medien
    Hermetische Mikroelektronik-Verkapselungen in der Luft- und Raumfahrt zur Vermeidung von Korrosion (1993)
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 44 (1993), S. 124-129 
    Details
    ISSN: 0947-5117
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Maschinenbau
    Beschreibung / Inhaltsverzeichnis: Corrosion-resistant, hermetic microelectronic packages for aerospace applicationsCorrosion-resistant, high reliable aerospace electronics need expensive ceramic substrates, noble metal conductors and very clean stainless steel or ceramic packages. The requirements, material technologies, problems and more economical packages are described.
    Notizen: Zur Vermeidung von Korrosionsschäden an Sicherheitselektroniken der Luft- und Raumfahrt sowie der Wehrtechnik werden vorzugsweise Keramik-Substrate und Edelmetall-Leiter sowie völlig feuchte- und salzfreie, hermetisch verschlossene Metall oder Keramikgehäuse verwendet. Die Anforderungen, Materialien, Technologien und Probleme der hermetischen Mikroelektronik-Verpackung wird im folgenden Aufsatz näher beschrieben werden.
    Zusätzliches Material: 6 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/maco.19930440404
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  • 5
    Digitale Medien
    Digitale Medien
    Uptake and transport of immunoglobulin by the chick choroid plexus (1980)
    Springer
    Cell & tissue research 213 (1980), S. 393-410 
    Details
    ISSN: 1432-0878
    Schlagwort(e): Choroid plexus ; 5S-antibody (immunoglobulin) ; Immunoelectron microscopy ; Chick ; Tissue culture
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary The choroid plexus from the lateral ventricles of 18-day chick embryos was cultivated as an organ in medium 199 until the degeneration of the stroma. Selected plexuses forming an empty epithelial sac were then incubated with enzyme-treated human immunoglobulin (5S-antibody) and with native human immunoglobulin (7S-antibody). Uptake of the 7S-antibody was observed after 30 min, whereas the 5S-antibody was taken up by the choroid plexus within 1 min, as demonstrated by means of the peroxidase-anti-peroxidase (PAP) technique (Sternberger 1974). The antibodies were located in conspicuous, large vacuoles of the choroid epithelium. Further experiments were performed using only 5S-antibody. In addition to the demonstration of the protein structure of this immunoglobulin, it was also shown that its binding capacity for tetanus toxoid as an antigen remains intact in the intracellular location. It was not possible to observe lysosomal degradation. Moreover, 5S-antibody was detectable in cultures first incubated with 5S-antibody for 30 min and subsequently in antibody-free medium for a further period of 7 to 11 days. The biological significance of the uptake of material from the cerebrospinal fluid and the possibility of the existence of a receptor for 5S-antibody are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00237886
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  • 6
    Digitale Medien
    Digitale Medien
    Die Vorgänge bei der Gerbung I (1920)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 33 (1920), S. 221-223 
    Details
    ISSN: 0044-8249
    Schlagwort(e): Chemistry ; General Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/ange.19200337602
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  • 7
    Digitale Medien
    Digitale Medien
    Die Vorgänge bei der Gerbung. II (1922)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 35 (1922), S. 153-154 
    Details
    ISSN: 0044-8249
    Schlagwort(e): Chemistry ; General Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/ange.19220352602
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  • 8
    Digitale Medien
    Digitale Medien
    Die Vorgänge bei der Gerbung. II (1922)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 35 (1922), S. 160-163 
    Details
    ISSN: 0044-8249
    Schlagwort(e): Chemistry ; General Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/ange.19220352703
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  • 9
    Digitale Medien
    Digitale Medien
    I. Ueber Dinitrophenylpyridiniumchlorid und dessen Umwandlungsproducte (1904)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 333 (1904), S. 296-345 
    Details
    ISSN: 0075-4617
    Schlagwort(e): Chemistry ; Organic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/jlac.19043330212
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  • 10
    Digitale Medien
    Digitale Medien
    Untersuchung von CuGaSe2 und CuGaTe2 unter hohem Druck (1983)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 504 (1983), S. 155-162 
    Details
    ISSN: 0044-2313
    Schlagwort(e): Chemistry ; Inorganic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Beschreibung / Inhaltsverzeichnis: Investigation of CuGaSe2 and CuGaTe2 under High PressureThe X-ray powder diffraction analysis at 300 K in dependence on the pressure gives a transition from the chalcopyrite-type to the NaCl structure for CuGaSe2 at 12.5 GPa and for CuGaTe2 at 8 GPa. The phase transition is associated with a discontinuity of the volume of 8.6 and 3.8%. These results were discussed in relation to other tetrahedrally coordinated compounds.
    Notizen: Röntgenuntersuchungen bei 300 K in Abhängigkeit vom Druck ergaben, daß CuGaSe2 bei 12,5 GPa und CuGaTe2 bei 8 GPa von der Chalcopyrit-Struktur in die NaCl-Struktur übergehen. Dabei tritt ein Volumensprung von 8,6 bzw. 3,8% auf. Diese Ergebnisse werden im Zusammenhang mit Hochdruckuntersuchungen an anderen tetraedrisch koordinierten Verbindungen diskutiert.
    Zusätzliches Material: 5 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/zaac.19835040920
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