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  • 1
    Electronic Resource
    Electronic Resource
    Superconducting behavior of high-T c YBa2Cu3O7 thin films with BaO impurity produced by pulsed laser deposition (1994)
    Springer
    Journal of superconductivity 7 (1994), S. 709-713 
    Details
    ISSN: 1572-9605
    Keywords: YBa2Cu3O7 thin films ; critical current density ; pulsed laser deposition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract We have investigated the superconducting behavior of high-T c YBa2Cu3O7 (YBCO) thin films containing BaO impure phase produced by pulsed laser deposition. The thin films were characterized by the standard four-probe method, X-ray diffraction (XRD), and scanning electron microscopy (SEM). XRD showed that all these thin films contained BaO impurity, with thec-axis normal to the surface of the substrates. The presence of impurity existed from substrate temperatureT s of 727 to 796°C. When these thin films with BaO impurity were measured under the magnetic fields, it was found that the critical current densityJ c increased slightly with increase in magnetic fieldB within the range ofB≤500 G, in the case ofB perpendicular to thec-axis of the film.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00721652
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  • 2
    Electronic Resource
    Electronic Resource
    Derivation and characterization of a zebrafish liver cell line (1994)
    Springer
    Cell biology and toxicology 10 (1994), S. 167-176 
    Details
    ISSN: 1573-6822
    Keywords: cytochrome P450 ; liver cell culture ; TCDD ; zebrafish
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract ZF-L cells were derived from normal adult zebrafish liver, and have been growing in culture for more than 100 generations. The cells were derived in basal nutrient medium supplemented with fetal bovine serum (FBS), trout serum, trout embryo extract, bovine insulin and mouse epidermal growth factor. After 50 generations in culture, optimal growth of the cells was achieved in medium supplemented with FBS (5%) and trout serum (0.5%). ZF-L cells were hypodiploid (modal chromosome number= 46) and exhibited an epithelial morphology. ZF-L cell homogenates exhibited alanine and aspartate aminotransferase, glucose-6-phosphatase and alkaline phosphatase enzyme activities. The cells synthesized and released several proteins into the culture medium, including a 70 kDa protein recognized by anti-bovine serum albumin IgG.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00757560
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    Paper (German National Licenses)
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