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  • 1
    Electronic Resource
    Electronic Resource
    Absorption of Zinc Phosphide Particles (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 642-643 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It seemed possible, however, that because of the very small size of some of the particles of commercially available zinc phosphide (less than 0*1 \x) these particles might pass through the intestinal wall into the blood stream. We observed that in aqueous suspension in the presence of fat or ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/184642a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Identification of Barbiturates (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 1052-1052 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The only reliable method for the quantitative assay of barbiturate in 5-10 ml. samples of blood is ultra-violet spectrophotometry. The optical density difference at 240 mjji of aliquots at pH. 10 and pH 2 is measured, and, because theE(1 per cent, 1 cm.) values for the various barbiturates are very ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1831052a0
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  • 3
    Electronic Resource
    Electronic Resource
    Paper Chromatographic Examination of the Alkaloid Extract in Toxicology (1954)
    [s.l.] : Nature Publishing Group
    Nature 173 (1954), S. 1143-1144 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We wish to report a solvent system which we have found to be most useful in separating compounds that may be found in this basic extract. The method of revealing the spots has been that of Munier and Macheboeuf1. It has been found that the use of this modified Dragendorff reagent provides an ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1731143b0
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  • 4
    Electronic Resource
    Electronic Resource
    Interference to the Ultra-Violet Spectrophotometry of Barbiturates (1955)
    [s.l.] : Nature Publishing Group
    Nature 176 (1955), S. 877-878 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Work so far published suggests that this is a reliable technique, as very few interfering substances have been noted. It is possible, however, that certain coumarin anticoagulants or other drugs might inter-fere, and readings over a wide range of frequencies are therefore taken. During the. past ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/176877b0
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  • 5
    Electronic Resource
    Electronic Resource
    Multi-spots in Paper Chromatograms (1953)
    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 1026-1027 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Further experiments were carried out using phosphoric acid containing phosphorus-32. When used in tracer amounts, it was found that the counts from the radioactive phosphorus agreed in position with the colours from the spraying. As an indication of the discreteness of the spots, it was found that ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1711026b0
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  • 6
    Electronic Resource
    Electronic Resource
    An Apparatus for eluting and concentrating Chromatogram Spots (1956)
    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 1180-1180 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The apparatus consists of a length of 1-mm. bore capillary tubing the ends of which are blown into small bulbs. The tubing is then bent as shown in the diagram. The spot cut from the paper is put in the larger right-hand cup and alcohol is dropped on to it from a burette, or siphoned on from a ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1781180a0
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  • 7
    Electronic Resource
    Electronic Resource
    ‘Endogenous’ Alcohol in Body Fluids (1966)
    [s.l.] : Nature Publishing Group
    Nature 210 (1966), S. 1368-1368 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Many methods used have been of doubtful accuracy and/or specificity at the levels of ethanol found, and the method of Curry, Walker and Simpson3 has been modified to study the problem. A Pye 104 gas-liquid chromatograph, fitted with a flame ionization detector and a PEG 400 on 'Celite' column, is ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2101368a0
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  • 8
    Electronic Resource
    Electronic Resource
    Rapid Screening of Blood Samples for Volatile Poisons by Gas Chromatography (1962)
    [s.l.] : Nature Publishing Group
    Nature 195 (1962), S. 603-604 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We wish to report an extremely simple and rapid method, using the apparatus shown in Fig. 1, which is suitable for the detection of volatile compounds including such common ones as ether, halothane, chloroform, carbon tetrachloride, ethanol, acetone, trichloroethylene and paraldehyde. It consists ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/195603b0
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  • 9
    Electronic Resource
    Electronic Resource
    A Metabolite of ‘Carbromal’ (1960)
    [s.l.] : Nature Publishing Group
    Nature 188 (1960), S. 58-58 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I recently isolated diethylacetyl urea from the intestine contents of a woman who was taking a proprietary drug containing ?CarbromaF 240 mgm. and ?Brom valet one? 80 mgm. The method of isolation was that using acid ammonium sulphate, described by Nickolls1 ; 5 mgm. of the ureide crystallized ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/188058a0
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  • 10
    Electronic Resource
    Electronic Resource
    Detection and Identification of Monoamine Oxidase Inhibitors in Biological Samples (1970)
    [s.l.] : Nature Publishing Group
    Nature 228 (1970), S. 281-282 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In most poisoning cases involving MAO inhibitors, the toxicologist is in a difficult position because the inhibited enzyme is resynthesized very slowly, so that the toxic effects of the drug or of its association with other com-pounds may occur several days after the inhibitor has been almost ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/228281a0
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