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  • Fused ethylammonium nitrate  (1)
  • GEOPHYSICS  (1)
  • 1980-1984  (2)
  • 1984  (2)
  • 1
    Electronic Resource
    Electronic Resource
    The activity and stability of alkaline phosphatase in solutions of water and the fused salt ethylammonium nitrate (1984)
    Springer
    Journal of solution chemistry 13 (1984), S. 583-587 
    Details
    ISSN: 1572-8927
    Keywords: Fused ethylammonium nitrate ; alkaline phosphatase ; enzyme activity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The fused salt ethylamonium nitrate has several properties which resemble those of the biologically important solvent water. In order to shed light on the role of solvent in determining protein structure we have examined the influence of ethylammonium nitrate on the activity and stability of the enzyme alkaline phosphatase. Significantly, although reduced enzymatic activity was observed in ethylammonium nitrate solutions up to 60% (v/v) in water, the enzyme was stable to brief exposure to solutions as high as 80% (v/v) in the fused salt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00647226
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    Paper (German National Licenses)
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  • 2
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    An association between discrete aurora and energetic particle boundaries (1984)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Low-altitude observations of the energy flux carried by precipitating auroral electrons are compared with simultaneous measurements of the more energetic particle population to determine the spatial relationships between discrete auroras and those regions where the ion population exhibits a full loss cone. Discrete auroras are identified as instances where large, spatially structured energy fluxes (in excess of 10 erg per sq cm s) are carried almost exclusively by precipitating electrons. This comparison makes it possible to infer a relation between discrete auroras and earthward streaming ions observed in the tail. Since discrete auroras occur in association with field-aligned currents, an evaluation is made of the suggestion that auroral field-aligned currents map to the outer boundary of the plasma sheet.
    Keywords: GEOPHYSICS
    Type: Journal of Geophysical Research (ISSN 0148-0227); 89; 2395-240
    Format: text
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    NASA TECHNICAL REPORTS
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