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  • Articles  (4)
  • Induction  (1)
  • Laser-induced fluorescence  (1)
  • Manganese ferrite  (1)
  • PACS. 33.50.-j Fluorescence and phosphorescence; radiationless transitions, quenching (intersystem crossing, internal conversion) – 78.40.-q Absorption and reflection spectra: visible and ultraviolet – 61.48.+c Fullerenes and fullerene-related materials  (1)
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  • Articles  (4)
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Keywords
Publisher
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Topic
  • 1
    Electronic Resource
    Electronic Resource
    Analytic calculation of cation distributions in ferrite spinel Mn"1"-"γFe"2" "+" "γO"4
    Amsterdam : Elsevier
    Journal of Physics and Chemistry of Solids 49 (1988), S. 761-766 
    Details
    ISSN: 0022-3697
    Keywords: Manganese ferrite ; cation distributions ; defect thermodynamics ; electrical resistivity ; magnetic ferrite ; thermoelectric power
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0022-3697(88)90025-X
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Fast capillary-scanning system for detecting fluorescently labelled DNA sequencing fragments separated by capillary gel electrophoresis (1995)
    Springer
    Chromatographia 40 (1995), S. 345-349 
    Details
    ISSN: 1612-1112
    Keywords: Capillary gel electrophoresis ; Laser-induced fluorescence ; DNA sequencing ; Capillary-scanning
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary A capillary-scanning system for increasing the total throughput of DNA sequencing has been developed. The DNA sequencing method using the system features a spatial and temporal separation of laser-induced fluorescence detection from capillary gel electrophoresis. Fluorescently labelled adenine base fragments of pBluescript SK(−) were, produced in enzymatic sequencing reactions, and separated by capillary gel electrophoresis using UV-visible transparent capillaries filled with 8% T, 0% C polyacrylamide gel. The capillary containing all bands of the fragments was then scanned longitudinally with a 488 nm argon ion laser beam in 2.6 min. The adenine base sequence of the DNA was determined out to 400 bases by detecting fluorescence signals generated from the bands during the scan. The present scan speed is essentially limited by a slow strip-chart recorder and could be greatly increased by employing a fast data acquisition system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02290368
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  • 3
    Electronic Resource
    Electronic Resource
    Heavy metal-mediated activation of the rat Cu/Zn superoxide dismutase gene via a metal-responsive element (1999)
    Springer
    Molecular genetics and genomics 262 (1999), S. 310-313 
    Details
    ISSN: 1617-4623
    Keywords: Key wordsSOD1 gene ; Metal-responsive element ; Induction ; Heavy metals
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The Cu/Zn superoxide dismutase (SOD1) catalyzes the dismutation of superoxide radicals produced in the course of biological oxidations. When placed under the control of the rat SOD1 gene promoter and transfected into human HepG2 hepatoma cells, the activity of a chloramphenicol acetyltransferase reporter gene was found to increase three- to four-fold in the presence of heavy metals (cadmium, zinc and copper). Functional analysis of mutant derivatives of the SOD1 gene promoter and the use of a heterologous promoter system confirmed that the induction of the SOD1 gene by metal ions requires a metal-responsive element (MRE) located between positions −273 and −267 (GCGCGCA). It was also shown by gel mobility shift assays that an MRE binding protein is induced by the exposure of the human liver cell line HepG2 to heavy metals. These results suggest that the MRE participates in the induction of the SOD1 gene by heavy metals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004380051088
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  • 4
    Electronic Resource
    Electronic Resource
    Photophysics of C60 and C 60 - in faujasite zeolites (2002)
    Springer
    The European physical journal 18 (2002), S. 69-75 
    Details
    ISSN: 1434-6079
    Keywords: PACS. 33.50.-j Fluorescence and phosphorescence; radiationless transitions, quenching (intersystem crossing, internal conversion) – 78.40.-q Absorption and reflection spectra: visible and ultraviolet – 61.48.+c Fullerenes and fullerene-related materials
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: While the intercalation of C60 and the formation of C 60 - in the supercages of NaX and NaY are confirmed by using 129Xe NMR and ESR, the photophysical properties of C60 and C 60 - are characterized by monitoring transient reflectance spectra and kinetics, fluorescence kinetics, and diffuse reflectance spectra. C 60 - is considerably more abundant in NaY than in NaX. This difference is explained in terms of polarity difference between two zeolites. Both C60 and C 60 - have remarkably elongated excited-state lifetimes due to their collision-free environment in zeolitic nanocavities although C 60 - has much shorter lifetimes than C60. C 60 - , in particular, shows intense absorption and emission due to its reduced symmetry in zeolites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/e10053-002-0008-5
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