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  • 7-Aminocephalosporanic acid  (1)
  • Atomic and molecular processes in external fields, including interactions with strong fields and short pulses  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Morphological, physiological and enzymatic characteristics of cephalosporin acylase-producing Arthrobacter strain 45-8A (1993)
    Springer
    Archives of microbiology 159 (1993), S. 392-395 
    Details
    ISSN: 1432-072X
    Keywords: Arthrobacter strain 45-8A ; Cephalosporin acylase ; 7-Aminocephalosporanic acid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A bacterial strain producing cephalosporin acylases was isolated from soil. The morphological and physiological properties of this strain suggest that it belongs to the genus Arthrobacter, and the isolate was therefore designated Arthrobacter strain 45-8A. Substrate specificity of the enzyme was examined. The enzyme can convert both cephalosporin C and 7β-(4-carboxylbutan-amino)cephalosporanic acid to 7-aminocephalosporanic acid. An interesting feature of the acylases is their temperature-dependent regulation. Activity of acylases was detected in strain 45-8A grown at temperature below 30 °C, but was not observed at higher temperature. Arthrobacter strain 45-8A did not exhibit β-lactamase activity, even though its resistance to cephalosporin C was very strong (〉2000 μg/ml). This is quite beneficial for its application in the manufacture of 7-aminocephalosporanic acd.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00290923
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    Paper (German National Licenses)
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    Efficient Raman sideband cooling of trapped ions to their motional ground state (2017)
    American Physical Society (APS)
    Details
    Publication Date: 2017-07-18
    Description: Author(s): H. Che, K. Deng, Z. T. Xu, W. H. Yuan, J. Zhang, and Z. H. Lu Efficient cooling of trapped ions is a prerequisite for various applications of the ions in precision spectroscopy, quantum information, and coherence control. Raman sideband cooling is an effective method to cool the ions to their motional ground state. We investigate both numerically and experimen... [Phys. Rev. A 96, 013417] Published Mon Jul 17, 2017
    Keywords: Atomic and molecular processes in external fields, including interactions with strong fields and short pulses
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
    Published by American Physical Society (APS)
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