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  • 1
    Electronic Resource
    Electronic Resource
    Reduced contribution from Na+/H+ exchange to acid extrusion during anoxia in adult rat hippocampal CA1 neurons (2004)
    Oxford, UK : Blackwell Science Ltd
    Journal of neurochemistry 88 (2004), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The effect of anoxia on Na+/H+ exchange activity was examined in acutely isolated adult rat hippocampal CA1 neurons loaded with the H+-sensitive fluorophore, BCECF. Five-minute anoxia imposed under nominally HCO3–/CO2-free conditions induced a fall in pHi, the magnitude of which was smaller following prolonged exposure to medium in which N-methyl-d-glucamine (NMDG+) was employed as an extracellular Na+ (Na+o) substitute. Also consistent with the possibility that Na+/H+ exchange becomes inhibited soon after the induction of anoxia, rates of Na+o-dependent pHi recovery from internal acid loads imposed during anoxia were slowed, compared to rates of Na+o-dependent pHi recovery observed prior to anoxia. At the time at which rates of pHi recovery were reduced during anoxia, cellular adenosine triphosphate (ATP) levels had fallen to 35% of preanoxic levels, suggesting that ATP depletion might contribute to the observed inhibition of Na+/H+ exchange. In support, incubation of neurons with 2-deoxyglucose and antimycin A under normoxic conditions induced a fall in cellular ATP levels that was also associated with reduced Na+o-dependent rates of pHi recovery from imposed acid loads; conversely, pre-treatment with 10 mm creatine attenuated the effects of anoxia to reduce both ATP levels and Na+o-dependent rates of pHi recovery from internal acid loads. Taken together, the results are consistent with the possibility that functional Na+/H+ exchange activity in adult rat CA1 neurons declines soon after the onset of anoxia, possibly as a result of anoxia-induced falls in intracellular ATP.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1471-4159.2003.02169.x
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  • 2
    Electronic Resource
    Electronic Resource
    On the Combustion of Different Kinds of Fuel (1879)
    [s.l.] : Nature Publishing Group
    Nature 19 (1879), S. 339-339 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I HAVE read with interest the criticism of Mr. I. Lowthian Bell (NATURE, vol. xix. p. 175) on my paper on the mode of combustion in the blast furnace hearth. You say with trut that the question is not simply technical, but is one of scientific importance. The prevailing opinions, which Mr. Bell ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/019339a0
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  • 3
    Electronic Resource
    Electronic Resource
    Subterranean Kaolinisation (1880)
    [s.l.] : Nature Publishing Group
    Nature 22 (1880), S. 317-317 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A YEAR ago Mr. John Arthur Phillips, in criticising, before the Geological Society, my theory of kaolinisation as a source of superficial rock temperatures, made a point which is interesting in its bearing upon the composition of derived ox secondary lithological products. He endeavoured to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/022317a0
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  • 4
    Electronic Resource
    Electronic Resource
    Eddy momentum flux and its contribution to the Southern Ocean momentum balance (1992)
    [s.l.] : Nature Publishing Group
    Nature 357 (1992), S. 482-484 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We use two years of Geosat altimeter data to calculate the variance in surface velocity at crossover points, where time series of the two components of velocity from ascending and descending groundtracks are available. The absolute velocity cannot be determined accurately from altimetry because ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/357482a0
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  • 5
    Electronic Resource
    Electronic Resource
    Warming of the water column in the southwest Pacific Ocean (1992)
    [s.l.] : Nature Publishing Group
    Nature 357 (1992), S. 59-62 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The SCORPIO sections across the Pacific Ocean, nominally at 43° S and 28° S, were measured in March and July 1967 respectively4, using Nansen bottles. The western portions of both of these sections (between Australia and New Zealand) were measured again by the RV Franklin in September ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/357059a0
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  • 6
    Electronic Resource
    Electronic Resource
    Significant decadal-scale impact of volcanic eruptions on sea level and ocean heat content (2005)
    [s.l.] : Nature Publishing Group
    Nature 438 (2005), S. 74-77 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Ocean thermal expansion contributes significantly to sea-level variability and rise. However, observed decadal variability in ocean heat content and sea level has not been reproduced well in climate models. Aerosols injected into the stratosphere during volcanic eruptions scatter incoming solar ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nature04237
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  • 7
    Electronic Resource
    Electronic Resource
    Heat of the Comstock Mine (1879)
    [s.l.] : Nature Publishing Group
    Nature 20 (1879), S. 503-503 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I NOTICE in NATURE, vol. xx. p. 168, that Dr. Lesley quotes from Prof. Barker an opinion in regard to the heat of the Comstock Mines in Nevada. Referring to my assertion that the heat of the rock “is pretty uniform” in the lower levels, Prof. Barker announces that there are “the most remarkable ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/020503a0
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  • 8
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    Matthias Tomczak: A distinguished regional oceanographer and water-mass expert (2008)
    Elsevier
    In:  Progress in Oceanography, 77 (4). pp. 269-272.
    Details
    Publication Date: 2019-09-23
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1016/j.pocean.2007.05.007
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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