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  • 1
    Electronic Resource
    Electronic Resource
    Akute Nikotin-Vergiftung durch parasitenvertilgungsmittel (Parasitol) (1935)
    Springer
    Archives of toxicology 6 (1935), S. 137-138 
    Details
    ISSN: 1432-0738
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02454443
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  • 2
    Electronic Resource
    Electronic Resource
    Eine automatische Verdünnungsanlage und ihre Anwendung zur Erzielung homokontinuierlicher Chlorella-Kulturen (1964)
    Springer
    Archives of microbiology 48 (1964), S. 81-94 
    Details
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Summary In order to obtain a continuous culture (homokontinuierliche Kultur) of Chlorella pyrenoidosa, it is necessary to keep the various factors constant which are involved in the growth process. The apparatus for algal cultures described by various authors allow to maintain constant temperature, availability of CO2 and supply of nutrient medium. The apparatus described in this paper provides additionally a constant supply of light per cell by means of a photo-cell controlled dilution of the algal cultures. By using opal-glass culture vessels a very constant level of density in the suspension is secured. The density of the culture, i.e. the available light per single cell, can be kept constant with an accuracy of ±4%. — The percentual deviation of the average values of cell numbers, dry weight and pigments were estimated over 4 days. Synchronized cultures were diluted in the described device and analysed for some physical and chemical parameters.
    Notes: Zusammenfassung Um in einer Kultur von Chlorella pyrenoidosa alle Anzuchtbedingungen konstant halten zu können (homokontinuierliche Kultur), wurde eine automatische Verdünnungsanlage entwickelt und beschrieben, die es ermöglicht, zusätzlich zu den bisher schon konstanten Kulturbedingungen den Lichtgenuß pro Einzelzelle auf gleicher Höhe zu halten. Durch die photoelektrische Steuerung der Verdünnungsanlage (Turbidostat) und die Verwendung mattierter Kulturröhren kann der Lichtgenuß je Einzelzelle bis auf ±4% konstant gehalten werden. Einer mit Hilfe dieser automatischen Verdünnungsanlage eingestellten homokontinuierlichen Kultur wurden über mehrere Tage Proben entnommen und analysiert; dabei zeigten die Daten für die Zellzahl, das Trockengewicht und die Pigmente nur eine statistisch zu erwartende Abweichung vom Mittelwert. Versuche mit synchronem Zellmaterial in der automatischen Verdünnungsanlage machen es wahrscheinlich, daß in die Steuerung der Verdünnung am stärksten das Produkt aus Zellzahl und Zellvolumen eingeht.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00406599
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  • 3
    Electronic Resource
    Electronic Resource
    Akute Vergiftung durch einen neuen Motortreibstoff Pl"Propan-Flüssiggas” (1937)
    Springer
    Archives of toxicology 8 (1937), S. A225 
    Details
    ISSN: 1432-0738
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02452090
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  • 4
    Electronic Resource
    Electronic Resource
    Assessment of the burrow system of Lumbricus terrestris, Aporrectodea giardi, and Aporrectodea caliginosa using X-ray computed tomography (1997)
    Springer
    Biology and fertility of soils 26 (1997), S. 116-121 
    Details
    ISSN: 1432-0789
    Keywords: Key wordsLumbricus terrestris ; Aporrectodea giardi ; Aporrectodea caliginosa ; Burrow system ; X-ray computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Artificially packed soil columns were inoculated with individuals of different earthworm species (Lumbricus terrestris, Aporrectodea giardi or Aporrectodea caliginosa) and placed under controlled conditions in the laboratory. At the end of the incubation period, which lasted 8 months, three-dimensional reconstructions of the burrow system of each species were obtained using X-ray computed tomography. The particular features of the three burrow systems and the differences between them are discussed in terms of density, orientation and distribution of the burrows and the complexity of the network in relation to variations in soil depth and soil density.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003740050353
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  • 5
    Electronic Resource
    Electronic Resource
    Immunohistochemical localization of glucose transporters and insulin receptors in human fetal membranes at term (1993)
    Springer
    Histochemistry and cell biology 100 (1993), S. 379-385 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The localization has been investigated of the isoforms GLUT1, GLUT3 and GLUT4 of glucose transporter proteins as well as of insulin receptors. Fetal membranes (n=10) were examined by immunohistochemical methods at the light and electron microscopic levels using mono- and polyclonal antibodies. In all amnion epithelial cells, GLUT1 and GLUT3 antibodies were bound to the apical membrane. Very rarely the GLUT1 antibody also immunostained the basolateral membrane and reacted weakly with the endomembrane system and membranes of the lateral cell protrusions. Fibroblasts reacted with the antibodies against GLUT1, GLUT4 and insulin receptor, whereas they were labelled only in one case with GLUT3 antibody. Cytotrophoblast cells were only stained with antibodies against GLUT1 and GLUT3. Antibodies against GLUT4 only reacted with fibroblasts in the membranes. On amnion epithelial cells, weak immunoreactivity with insulin receptor antibodies was detected only at the electron microscopic level. The data indicate: (1) GLUT1 is located on all cells of the amnion, whereas GLUT3 is present in detectable amounts only on amnion epithelial cells and cytotrophoblast; (2) GLUT1 and GLUT3 on amnion epithelial cells are predominantly located on the apical surface; (3) GLUT4 and insulin receptors are not regularly expressed. We suggest that amnion epithelial cells cover their basal glucose requirements from the amniotic fluid and not from the maternal circulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00268936
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  • 6
    Electronic Resource
    Electronic Resource
    Senkungsaktivität nach Kreuzen von Bluten Neugeborener und ihrer Mütter (1970)
    Springer
    Annals of hematology 20 (1970), S. 288-291 
    Details
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Difference or similarity of the blood groups is of no importance for the blood sedimentation, which is observed after crossing the erythrocytes and plasma of new-born and their mothers, just after the birth. The plasma of newborn is poor in sedimentation-active substances.
    Notes: Zusammenfassung Bei der Blutkörperchensenkung, die nach Kreuzen von kindlichen und mütterlichen Erythrozyten und Plasma unmittelbar nach der Geburt beobachtet wird, spielt die Unterschiedlichkeit oder Gleichheit der Blutgruppen keine Rolle. Das Plasma Neugeborener ist arm an senkungsaktiven Stoffen
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01632130
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  • 7
    Electronic Resource
    Electronic Resource
    Über den Wirkstoff der Leber gegen perniciöse Anämie (1939)
    Springer
    Naturwissenschaften 27 (1939), S. 176-176 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01489615
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  • 8
    Electronic Resource
    Electronic Resource
    Das Quadrupolmoment des 2,3 MeV-Zustandes in120Sn (1970)
    Springer
    The European physical journal 232 (1970), S. 256-267 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Time differentialγγ-angular correlation measurements have been performed to determine the electric interaction of the 2.3 MeVI=5− state of120Sn in different polycristalline antimony compounds. A calibration of the field gradient was achieved by Mößbauerexperiments with the 23.8 keVI=3/2+ state in119Sn using identical sources. From the ratio of the measured electric interactions the ratio of the quadrupole moments is deduced as: $$\left| {\frac{{Q(2.3{\mathbf{ }}MeV level,{\mathbf{ }}I = 5^ - ,^{120} Sn)}}{{Q(2.8{\mathbf{ }}keV level,{\mathbf{ }}I = {3 \mathord{\left/ {\vphantom {3 2}} \right. \kern-\nulldelimiterspace} 2}^ + ,^{119} Sn)}}} \right| = 2.86(15)$$ . Using 0.06 (2) b for the quadrupole moment of the 23.8 keV level in119Sn one gets for the quadrupole moment of the 2.3 MeV level in120Sn ¦Q(2.3 MeV level,I=5−,120Sn)¦=0.021 (8) b.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01391523
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  • 9
    Electronic Resource
    Electronic Resource
    Derg-Faktor des 364 keV-Zustandes von184W und die Hyperfeinfelder von Wolfram in Eisen, Kobalt und Nickel (1970)
    Springer
    The European physical journal 235 (1970), S. 124-129 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Theg-factor of the 364 keV state of184W was measured by the time integral angular correlation method using the high hyperfine fields at the tungsten nucleus in iron. The same experiment was performed with the 111 keV state giving the ratiog(364 keV)/g(111 keV)=1.02(14). Using this ratiog(364 keV-level)=0.286(35) was deduced. For the hyperfine fields of W in Fe, W in Co and W in Ni at 300 K −610(35) kG, − 358(23) kG and −80(3) kG respective have been determined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01395162
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  • 10
    Electronic Resource
    Electronic Resource
    Kunststoffe im Automobilbau - Eine neue Chance und Herausforderung (1992)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 23 (1992), S. 305-308 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19920230809
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