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  • 1
    Electronic Resource
    Electronic Resource
    Conformational changes in human urokinase induced by a specific reduction of disulfide bond in Cys-194-Cys-222 associated with exhibition of enzymatic activity
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Protein Structure and Molecular 791 (1984), S. 1-8 
    Details
    ISSN: 0167-4838
    Keywords: Disulfide bond ; Protein conformation ; Tyrosine residue ; Urokinase
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0167-4838(84)90273-5
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Production of carbon monoxide by charged particle deposition. (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Recent studies of electron energy deposition in CO2 and CO based upon a large set of electron impact cross sections are utilized to estimate the telluric CO directly produced by various charged-particle deposition mechanisms. The mechanisms considered are (1) lightning, (2) cloud coronal discharges, (3) background radioactivity, (4) natural electrostatic discharges, (5) photoelectrons in the ionosphere, (6) auroral electrons, (7) auroral protons, (8) cosmic rays, and (9) solar wind. 'Ball park' estimates of the global CO production by each of these mechanisms are given. Apart from mechanisms 1, 2, and 5, all CO production mechanisms are estimated to be small compared to artificial sources. If, as appears to be the case, the hot oxygen atoms and ions and other atomic species immediately produced by these three charged-particle deposition mechanisms react rapidly with CO2 to produce CO, these mechanisms can readily lead to CO production levels in the multimegaton-per-year range.
    Keywords: GEOPHYSICS
    Type: Journal of Geophysical Research; 78; Aug. 20
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Electron impact excitation cross sections and energy degradation in CO. (1972)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: We determine a comprehensive set of electron impact cross sections for carbon monoxide mainly on the basis of recently accumulated data on electron impact spectra, the Born approximation at high energies, and simple rules developed earlier to take into account low-energy effects. The calculation of the complete energy degradation of electrons incident on CO is carried out with these input cross sections, and the efficiencies associated with possible loss channels are presented.
    Keywords: GEOPHYSICS
    Type: Journal of Geophysical Research; 77; Sept. 1
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Electron energy deposition in CO2. (1972)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Semiempirical cross sections of Strickland and Green (1969) are compared with and supplemented by more recent data. The composite set is used in the energy degradation calculation of electrons with emphasis on energies below 100 ev. Good agreements are obtained with accepted values of the loss function and the average electron volts per ion pair at high energies. Efficiencies associated with various loss channels are obtained. The relationship with the recent Mariner UV data is discussed.
    Keywords: GEOPHYSICS
    Type: Journal of Geophysical Research; 77; Sept. 1
    Format: text
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    NASA TECHNICAL REPORTS
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