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  • 1990-1994  (5)
  • 1
    Electronic Resource
    Electronic Resource
    Polymorphism of mitochondrial DNA (mtDNA) in cattle and buffaloes (1990)
    Springer
    Biochemical genetics 28 (1990), S. 311-318 
    Details
    ISSN: 1573-4927
    Keywords: Bos indicus ; buffalo mitochondrial DNA ; restriction endonuclease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Mitochondrial DNA (mtDNA) from two breeds of cattle, viz., [Hariana (Bos indicus), Holstein (Bos taurus)] and Indian water buffalo (Bubalis bubalus), was analyzed using 13 restriction endonucleases which recognized an average of about 40 six-base sites. Polymorphism among cattle was detected with six of these enzymes. The two Holstein differed at six sites, whereas the Hariana breed (Bos indicus) did not show any site polymorphism. Surprisingly, the Hariana type differed by only one site from one of the Holstein types. The total size of buffalo mtDNA was estimated to be 16.4 kb. Polymorphism within the Murrah buffalo breed was observed with respect to aBglI site. Scarcely any of the restriction fragments of buffalo mtDNA matched those of cattle mtDNA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02401421
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Polymorphism of mitochondrial DNA (mtDNA) in cattle and buffaloes (1990)
    Springer
    Biochemical genetics 28 (1990), S. 311-318 
    Details
    ISSN: 1573-4927
    Keywords: Bos indicus ; buffalo mitochondrial DNA ; restriction endonuclease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Mitochondrial DNA (mtDNA) from two breeds of cattle, viz., [Hariana (Bos indicus), Holstein (Bos taurus)] and Indian water buffalo (Bubalis bubalus), was analyzed using 13 restriction endonucleases which recognized an average of about 40 six-base sites. Polymorphism among cattle was detected with six of these enzymes. The two Holstein differed at six sites, whereas the Hariana breed (Bos indicus) did not show any site polymorphism. Surprisingly, the Hariana type differed by only one site from one of the Holstein types. The total size of buffalo mtDNA was estimated to be 16.4 kb. Polymorphism within the Murrah buffalo breed was observed with respect to aBglI site. Scarcely any of the restriction fragments of buffalo mtDNA matched those of cattle mtDNA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00554062
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Doped microcrystalline silicon growth by high frequency plasmas (1994)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 64 (1994), S. 616-618 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The growth of boron- and phosphorus-doped microcrystalline silicon films on glass using plasma enhanced chemical vapor deposition at high rf frequencies was examined for substrate temperatures from room temperature to 400 °C. Microcrystalline growth was obtained by heavy hydrogen dilution of silane with phosphine or trimethylboron as the doping gas. A maximum conductivity of 8 (Ω cm)−1 was obtained at a substrate temperature of 180 °C for p-type films and 74 (Ω cm)−1 at 210 °C for n-type films.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.111067
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Improving tunneling junction in amorphous silicon tandem solar cells (1990)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 56 (1990), S. 1871-1873 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We report new results on a tunneling junction in amorphous silicon tandem solar cells using the metal oxide, niobium oxide (NbOx ), as the recombination layer and the advanced doping gas, trimethylboron [B(CH3 )3 ], in the p+ layer. The new tunneling junction has a low series resistance and minimizes optical loss. The advantage of the NbOx layer is its high transparency, hence a relatively thick (∼10 nm) layer can be used. The ability to use a thick oxide layer is important for the implementation of the tunneling junction in the production of large-area panels.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.103073
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Evidence for sub-millisecond structure in a γ -ray burst (1992)
    [s.l.] : Nature Publishing Group
    Nature 359 (1992), S. 217-218 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BATSE7 on the Compton Observatory has been in operation since 21 April 1991. Here we report on a burst that occurred on 11 July 1991 at 9.53 UT with features not seen previously. The location of this burst derived from relative rates from the triggered detectors is right ascension a = 14 h 30 min ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/359217a0
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    Paper (German National Licenses)
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