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  • BIOSCIENCES  (14)
  • GEOPHYSICS  (8)
  • EARTH RESOURCES AND REMOTE SENSING  (3)
  • β-Oxidation  (3)
  • 1
    Electronic Resource
    Electronic Resource
    The two β-oxidation sites in pea cotyledons (1986)
    Springer
    Planta 168 (1986), S. 261-266 
    Details
    ISSN: 1432-2048
    Keywords: Carnitine palmitoyltransferase (location, function) ; Cotyledon (β-oxidation) ; Microbody ; Mitochondrion ; β-Oxidation ; Pisum (β-oxidation)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Two sites for β-oxidation of fatty acids in pea (Pisum sativum L.) cotyledons exist. One site is the microbody, the other the mitochondrion. Mitochondrial β-oxidation of fatty acids is carnitine-dependent. The fatty acid permeates the membrane as palmitoylcarnitine which is formed from cytosolic-side palmitoyl-CoA by a carnitine palmitoyltransferase located on the exterior face of the inner mitochondrial membrane as a peripheral protein. A single-gated pore integral membrane translocator is proposed to exchange the palmitoylcarnitine for carnitine or acetylcarnitine across the membrane. An internal (matrix side) carnitine palmitoyltransferase then reforms palmitoyl-CoA which enters β-oxidation and subsequently the tricarboxylic-acid cycle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00402972
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    β-Oxidation enzymes in the mitochondria of Arum and oilseed rape (1990)
    Springer
    Planta 182 (1990), S. 129-135 
    Details
    ISSN: 1432-2048
    Keywords: Arum ; Brassica (β-oxidation) ; β-Oxidation ; (enzyme location) ; Microbody ; Mitochondrion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract β-Oxidation enzymes were detected both in the mitochondria and microbodies of Arum maculatum L. spadices and Brassica napus L. seeds. It is apparent that the mitochondrial membrane barrier, which remains intact after sucrose-density-gradient centrifugation, prevents rapid access of acyl-GoA substrates to matrix βoxidation tes. Thus intact mitochondria showed little β-oxidation enzyme activity. Rupturing of the mitochondrial membrane allowed rapid access of acyl CoAs to matrix sites. Consequently, in ruptured mitochondria, high β-oxidation enzyme activities were measured.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00239994
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Long-chain acyl CoA synthetase, carnitine and β-oxidation in the pea-seed mitochondrion (1988)
    Springer
    Planta 173 (1988), S. 263-266 
    Details
    ISSN: 1432-2048
    Keywords: Carnitine ; Carnitine palmitoyltrans-ferase ; Long-chain acylCoA synthetase ; Mitochondrion (outer membrane) ; Mitoplast ; β-Oxidation ; Palmitate ; PalmitoylCoA ; Pisum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Mitochondria from pea (Pisum sativum L.) seeds were separated into two fractions, mitoplasts (intact inner membrane) and the outer-membrane fraction. The mitoplasts only oxidised palmitate in the presence of carnitine and added outermembrane fraction. Mitoplasts were able to oxidise palmitoylCoA in the presence of carnitine and added outer-membrane fraction had no effect on this oxidation. It was concluded that a long-chain acylCoA synthetase (EC 6.2.1.3) was located on the outer membrane and that the activity of this enzyme in assays was more than sufficient to account for any observed rate of O2 uptake during palmitate oxidation by pea mitochondria. The location of carnitine long-chain acyltransferase (carnitine palmitoyl transferase EC 2.3.1.21) would appear to be the mitoplast i.e. the inner mitochondrial membrane, and confirms the previous work at Newcastle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00403019
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  • 4
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    Use of drugs in the prevention of motion sickness (1970)
    In:  CASI
    Details
    Publication Date: 2005-11-27
    Description: Scopolamine and d-amphetamine in prevention of motion sickness
    Keywords: BIOSCIENCES
    Type: NAVAL AEROSPACE MED. INST. 4TH SYMP. ON THE ROLE OF THE VESTIBULAR ORGANS IN SPACE EXPLORATION 1970; P 99-108
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    NASA TECHNICAL REPORTS
  • 5
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    Anti-motion-sickness therapy (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Neither alterations in environmental temperature nor moderate intake of alcohol was found to alter susceptibility to motion sickness in subjects exposed to rotation in the Pensacola slow rotation room. Scopolamine with d-amphetamine was found to be the most effective preparation for the prevention of motion sickness under the experimental conditions of the studies reported here. Promethazine in combination with d-amphetamine was in the same range of effectiveness. Drug actions suggest that acetylcholine and norepinephrine may be involved in motion sickness.
    Keywords: BIOSCIENCES
    Type: NASA, Washinton Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 109-114
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    NASA TECHNICAL REPORTS
  • 6
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    Antimotion sickness drugs for aerospace (1965)
    In:  CASI
    Details
    Publication Date: 2006-10-26
    Description: Slow rotation rooms used to simulate artificial gravity for testing head movements of humans previously administered antimotion sickness drugs
    Keywords: BIOSCIENCES
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    NASA TECHNICAL REPORTS
  • 7
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    Evaluation of antimotion sickness drugs - A new effective remedy revealed (1970)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Antimotion sickness drugs evaluated for effectiveness under standardized stress conditions in slow rotation room
    Keywords: BIOSCIENCES
    Type: ; STITUTION OF RADIO A
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    NASA TECHNICAL REPORTS
  • 8
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    Effect of drugs in altering susceptibility to motion sickness in aerobatics and the slow rotation room. (1967)
    In:  Other Sources
    Details
    Publication Date: 2011-08-11
    Description: Antimotion sickness drugs and placebos effect on altering motion sickness susceptibility in Skyraider aircraft aerobatics and Slow Rotation Room dial test
    Keywords: BIOSCIENCES
    Type: /AEROSPACE MEDICAL ASSN.
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  • 9
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    Comparison of effectiveness of some antimotion sickness drugs using recommended and larger than recommended doses as tested in the slow rotation room. (1966)
    In:  Other Sources
    Details
    Publication Date: 2011-08-11
    Description: Effectiveness of antimotion sickness drugs compared by using recommended and larger than recommended doses as tested in slow rotation room
    Keywords: BIOSCIENCES
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    NASA TECHNICAL REPORTS
  • 10
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    On the geometric form of volcanoes - Comment (1982)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: The model of Lacey et al. (1981) accounting for the geometric regularity and approximate cone shape of volcanoes is discussed. It is pointed out that, contrary to the model, volcano eruptions do not occur randomly in elevation and azimuth, but are commonly restricted to summit vents and a few well defined flank zones, so that the form of a volcano is determined by its vent locations and styles of eruption. Other false predictions of the model include the constancy of lava volumes at all vent elevations, the increase in volcano radius as the square root of time, a critical height for volcano growth, the influence of planetary gravity on volcano height and the negligible influence of ash falls and flows and erosional deposition. It is noted that the model of Shteynberg and Solov'yev, in which cone shape is related to stresses due to increasing cone height, may provide a better understanding of volcano morphology.
    Keywords: GEOPHYSICS
    Type: Earth and Planetary Science Letters; 57; 2, Fe; Feb. 198
    Format: text
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