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  • 1
    Call number: MOP Per 746(82) ; MOP 41603
    In: Monographies de la Météorologie Nationale
    Type of Medium: Monograph available for loan
    Pages: III, 212 S.
    Series Statement: Monographies de la Météorologie Nationale 82
    Location: MOP - must be ordered
    Location: MOP - must be ordered
    Branch Library: GFZ Library
    Branch Library: GFZ Library
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 94 (1972), S. 5518-5519 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1420-9071
    Keywords: Human growth hormone (HGH) ; urine ; IRMA ; ultrasensitive assay
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary An immunoradiometric assay for human growth hormone (HGH) has been developed which has a detection limit of 1ng/l and can measure HGH in unextracted urine from normal children and adults. The assay is based on a two-step procedure, using a solid-phase goat-anti-HGH immunosorbent for immunoextraction and [125I]-labeled monoclonal HGH-antibody for detection and quantification. The assay is not affected by urea, NaCl or changes of pH from 5–8. The mean urine HGH concentration in normal children is 6.78±7.6 (SD) pg/ml, in patients with HGH-deficiency 1.3±0.9 pg/ml which increases to 11.7±13.4 pg/ml on the day of growth hormone injection.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    The journal of membrane biology 41 (1978), S. 337-347 
    ISSN: 1432-1424
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Summary Using isolated head perfused at constant flow rates, close to those occurringin vivo, the movement of tritiated water through the gill epithelium of the trout,Salmo gairdneri was studied. The analysis of the curves of loading and unloading of tritiated water between the gill epithelium and the external and internal media shows two exponentials with different slopes in each medium. As the rapid exponentials have identical slopes, the external medium, the gill epithelium, and the perfusion medium constitute a system of three compartments in series for water exchanges. The kinetic analysis of rapid exponentials allowed us to calculate the characteristics of water movement through the apical and basal membrane and the size of the pool of water participating in the exchange mechanism. When the trout head is perfused without adrenaline, the permeability of the apical membrane to water is about 8 times higher than that of the basal membrane, the latter constituting the limiting factor for water diffusion. When the trout head is perfused with a perfusion medium containing 10−5 m adrenaline this hormone produces a double action: it leads to a comparable increase in the permeability of both the apical and basal membranes and also increases the size of the water transport pool by a factor of four.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Calcified tissue international 5 (1970), S. 247-260 
    ISSN: 1432-0827
    Keywords: Carbonic Anhydrase ; Calcification ; Physiologic ; Mollusca
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Description / Table of Contents: Résumé L'étude du mécanisme impliqué dans la régulation des échanges entre les différents compartiments du calcium dans le manteau des lamellibranches d'eau douce montre: 1) La nécessité d'une localisation topographique proche des éléments intervenant dans le mécanisme étudié. Ces éléments sont: les réserves de calcium et l'anhydrase carbonique. 2) Par des expériences effectuées sur des homogénats ou des observations histologiques que les réserves de calcium se présentent sous la forme de petits granules calcifiés extracellulaires, localisés dans le tissu interstitiel du manteau. 3) Par des observations sur la sédimentation d'homogénats que l'enzyme se trouve liée aux granules calcifiés. Enfin l'intérêt d'une telle liaison enzyme-substrat est discuté.
    Abstract: Zusammenfassung Es wurde der Mechanismus der Austauschregulation zwischen den verschiedenen Calciumkompartimenten im Mantel der Süßwasser-Lamellibranchen untersucht. Dabei ergab sich: 1. Die an dieser Regulation beteiligten Substanzen, nämlich die Calciumreserven und die Kohlensäureanhydrase, müssen topographisch nahe beeinander liegen. 2. Die Calciumreserven kommen als kleine extrazelluläre verkalkte Granula vor, die im interstitiellen Gewebe des Mantels lokalisiert sind (belegt durch Versuche an Homogenaten und durch histologische Untersuchungen). 3. Sedimentationsbeobachtungen an Mantelhomogenaten lassen vermuten, daß das Enzym an die verkalkten Granula gebunden ist. Die Rolle einer solchen Enzym-Substrat-Einheit wird diskutiert.
    Notes: Abstract A study of the mechanism of exchange regulation between the different calcium pools in freshwater lamellibranch mantle shows: 1) that the substances concerned in this regulation, namely the calcium reserves and carbonic anhydrase, must be topographically in close proximity, 2) that the calcium reserves occur as small extracellular calcified granules localised in the interstitial tissue of the mantle (evidence both from experiments on homogenates and from histological examination), and 3) that observations on the sedimentation in mantle homogenates suggest that the enzyme is bound to the calcified granules. The role of such an enzyme-substrate unit is discussed.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1751-908X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: This paper reports the results from a second characterisation of the 91500 zircon, including data from electron probe microanalysis, laser ablation inductively coupled plasma-mass spectrometry (LA-ICP-MS), secondary ion mass spectrometry (SIMS) and laser fluorination analyses. The focus of this initiative was to establish the suitability of this large single zircon crystal for calibrating in situ analyses of the rare earth elements and oxygen isotopes, as well as to provide working values for key geochemical systems. In addition to extensive testing of the chemical and structural homogeneity of this sample, the occurrence of banding in 91500 in both backscattered electron and cathodoluminescence images is described in detail. Blind intercomparison data reported by both LA-ICP-MS and SIMS laboratories indicate that only small systematic differences exist between the data sets provided by these two techniques. Furthermore, the use of NIST SRM 610 glass as the calibrant for SIMS analyses was found to introduce little or no systematic error into the results for zircon. Based on both laser fluorination and SIMS data, zircon 91500 seems to be very well suited for calibrating in situ oxygen isotopic analyses.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 192 (1961), S. 1051-1053 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The preparation of purified human growth hormone (HGH) from human pituitaries (Raben, Li) has made it possible to develop an immunological assay of human growth hormone by means of a human growth hormone rabbit antiserum. The haemagglutination-inhibition method is sensitive enough to detect human ...
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 772 (1984), S. 337-346 
    ISSN: 0005-2736
    Keywords: (Sea urchin egg) ; Fertilization ; Na^+ dependence ; Valine transport
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 114 (1983), S. 897-900 
    ISSN: 0006-291X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Banking and Finance 16 (1992), S. 1005-1013 
    ISSN: 0378-4266
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Economics
    Type of Medium: Electronic Resource
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