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  • 1
    Electronic Resource
    Electronic Resource
    MATURITY OF FETAL LUNGS TESTED BY PRODUCTION OF STABLE MICROBUBBLES IN AMNIOTIC FLUID (1979)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 86 (1979), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Lung surfactant in amniotic fluid, and hence the maturity of the fetal lungs, can be assessed by observation of stable microbubbles (less than 15 m diameter). Bubbles are formed by agitation with a Pasteur pipette and examined in hanging drops under the 10 power of a microscope. Either after a count of bubbles, or after a general survey of hanging drops, the fluid is given a stable microbubble rating. A 'strong’rating indicates that the idiopathic respiratory distress syndrome will not occur after delivery, and that the lecithin/sphingomyelin ratio will indicate maturity. Complete absence of stable microbubbles suggests a high risk of respiratory trouble for the newborn infant, as does a weak or lower rating in the 30 to 37 week gestational age group. The test takes 5 to 10 minutes to perform, is cheap and easy, is not affected by blood, but may be affected by meconium. If a 'strong’rating is found, measurement of the L/S ratio can safely be omitted.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1979.tb10823.x
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  • 2
    Electronic Resource
    Electronic Resource
    Onset of Fibrillation in Denervated Muscle (1943)
    [s.l.] : Nature Publishing Group
    Nature 151 (1943), S. 449-450 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RECENT studies of the phenomenon of fibrillation in denervated muscle have shown that it is subject to considerable variation. Since this phenomenon is becoming of increasing importance in the diagnosis and prognosis of nerve injuries, we feel that the following observations should be ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/151449c0
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  • 3
    Electronic Resource
    Electronic Resource
    Lung Lining in Bird, Reptile and Amphibian (1963)
    [s.l.] : Nature Publishing Group
    Nature 200 (1963), S. 894-894 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The species used were the chicken (Gallus), slow-worm (a legless lizaid, Anguisfragilis), and clawed toad (Xenopus laevis). The lungs of these were compared with those of mammals; a summary of the findings is given in Table 1. The methods used have been described elsewhere2'5'7. Small bubbles, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/200894a0
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  • 4
    Electronic Resource
    Electronic Resource
    Properties, Function and Origin of the Alveolar Lining Layer (1955)
    [s.l.] : Nature Publishing Group
    Nature 175 (1955), S. 1125-1126 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (Edema foam is thus not produced by agitation of the cedema fluid -with air during rospiration; it oana only have been formed by air originally contained in the fine air spaces of the lung being broken up into bubbles and afterwards expelled into the bronchi and trachea. The lining layer of the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1751125b0
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  • 5
    Electronic Resource
    Electronic Resource
    Systems of Mutually Immiscible Liquid Layers (1950)
    [s.l.] : Nature Publishing Group
    Nature 165 (1950), S. 203-204 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Such of the fatty alcohols as are not completely miscible with water are, when perfectly dry, miscible with liquid paraffin ; but isobutyl (or amyl) alcohol, liquid paraffin, and water together form a three-phase system. Methylene iodide and mercury, added to this, form two further phases. If the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/165203a0
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  • 6
    Electronic Resource
    Electronic Resource
    Lipoprotein Composition of the Film lining the Lung (1961)
    [s.l.] : Nature Publishing Group
    Nature 189 (1961), S. 844-844 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Specimens of the substance lining the bubbles have now been isolated. Water was forced down the main bronchus into the excised lung of a cow, and was then allowed to well out, laden with bubbles. These bubbles were then washed with ten changes of water, so as to remove all dissolved matter and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/189844a0
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  • 7
    Electronic Resource
    Electronic Resource
    Production of Electric Power by mixing Fresh and Salt Water in the Hydroelectric Pile (1954)
    [s.l.] : Nature Publishing Group
    Nature 174 (1954), S. 660-660 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] There are many methods (using osmotic and other forces) which might, in theory, be used for obtaining power by reversibly mixing fresh water and sea-water. In any such process, the extraction of the energy will cool the liquids by a fraction of a degree. The one which appears most practicable ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/174660a0
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  • 8
    Electronic Resource
    Electronic Resource
    Lamellar Transformation of Lung Mitochondria under Conditions of Stress (1972)
    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 468-469 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Pieces of lung, fixed in 2% glutaraldehyde and 1 % osmium tetroxide, were further fixed and stained in a mixture of 10 vol M/40 lead nitrate and 10.5 vol M/60 potassium ferricyanide solutions. They were embedded for electron microscopy in 'Araldite' with acetone as dehydrator and thinner and a ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/240468a0
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  • 9
    Electronic Resource
    Electronic Resource
    Respiratory Distress in a Newborn Foal with Failure to form Lung Lining Film (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 1498-1499 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A thoroughbred foal was delivered at 336 days (average gestational length 340 days7). It was normal for about 32 h, after which it became unable to stand without support, and extensor spasms began. Breathing became shallow and rapid, the tidal volume falling from 700 to 320 ml., and the respiration ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2151498a0
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  • 10
    Electronic Resource
    Electronic Resource
    Electron microscopy of the lung surfactant (1972)
    Springer
    Cellular and molecular life sciences 28 (1972), S. 286-287 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé On a étudié le poumon au microscope électronique par des méthodes speciales pour ménager les inclusions lamellaries osmiophiliques. On a conclu que la substance tensioactive n'est pas produite par la membrane superficielle des cellules alvéolaires, mais par les inclusions lamellaires des cellules du second type.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01928692
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