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  • Articles  (25)
  • Nature Publishing Group  (15)
  • Wiley  (10)
  • 1955-1959  (16)
  • 1935-1939  (9)
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  • Articles  (25)
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  • 1
    Electronic Resource
    Electronic Resource
    Volatile Liquid Partition Chromatography (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 978-979 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The method is based on the circular gas chromato-graph already described1. The apparatus consisted of two 5-ft. copper columns of -in. outside diameter connected through a circulating pump at one end and a thermal conductivity detector and injection system at the other. Each column contained 12'25 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/184978a0
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  • 2
    Electronic Resource
    Electronic Resource
    Circular Gas Chromatograph (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 391-392 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The stationary liquid phase normally used in gas chromatography has a low volatility relative to the compounds being separated. With the circular apparatus, the liquid need not have a low volatility. Fig. 2 shows the record for separation at room temperature of acetone, boiling point 56 -2 C, and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/183391a0
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  • 3
    Electronic Resource
    Electronic Resource
    Evidence for the Conversion of Quinic Acid to Shikimic Acid in Roses (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 326-326 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In certain micro-organisms, shikimic acid has been demonstrated to be in the direct path to aromatic ring biosynthesis5. Microbial response to exogenous quinic acid has been reported in secondary mutants of Aerobacter which grew well when supplied with quinic acid5. Similar results have been ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/183326a0
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  • 4
    Electronic Resource
    Electronic Resource
    Wave-length Effect in Flash Photolysis (1958)
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 130-130 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A study of the effect of wave-length on the primary products of photolysis of duroquinone is now in progress. Mr. Michael Reed has found that when a glass filter (cut-off at 300 mµ) is used, triplet-state absorption in liquid paraffin and formation of semiquinone radicals in ethanol are still ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/182130b0
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  • 5
    Electronic Resource
    Electronic Resource
    Use of Wooden Boxes for Breeding Mice (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 251-251 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The box now in regular use at the experimental mouse-breeding unit at Hampstead is made of imported cedar or other suitable hard wood. The internal dimensions are 12 in. long, 8 in. wide and 4J- in. deep. The sides and ends are f in. thick with mortised joints reinforced by brass pins ; and the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/180251a0
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  • 6
    Electronic Resource
    Electronic Resource
    A Sex Difference in Morphology of Neutrophils in the Dog (1957)
    [s.l.] : Nature Publishing Group
    Nature 179 (1957), S. 784-785 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recently, during the course of marrow transplantation experiments in irradiated dogs, search was made for a biological cell marker characteristic of the donor which would be identifiable in the host. The possibility of a sex difference in dogs' blood analogous to that seen in man was considered and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/179784b0
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  • 7
    Electronic Resource
    Electronic Resource
    Mechanism of Atom Recombination (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 446-447 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This scheme does not give a satisfactory account of the principal features of atom recombination reactions which have been observed experimentally. The most accurate data are those derived from flash photolysis studies of halogen atom recombinations which have established that: (a) rates of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/184446a0
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  • 8
    Electronic Resource
    Electronic Resource
    Crystallo-Chemical Analysis: The Barker Index at Oxfard (1939)
    [s.l.] : Nature Publishing Group
    Nature 144 (1939), S. 298-299 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Barker Index at Oxford EVERY chemist is familiar with the veil-developed crystals bounded by plane faces which aro formed by chemical substances. That the angles between these faces aro characteristic of the substance and can be measured accurately by the reflecting goniometer is also common ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/144298a0
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  • 9
    Electronic Resource
    Electronic Resource
    Deposits of Colloidal Graphite (1936)
    [s.l.] : Nature Publishing Group
    Nature 137 (1936), S. 1034-1034 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN describing the design of an α-particle counter that comprises a leaflet of aluminium attracted to an insulated point conductor, Wassiliew1 mentions the use of indian ink for fastening a cylindrical conductor to an insulator. Of the conducting contact materials that might be ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1371034a0
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  • 10
    Electronic Resource
    Electronic Resource
    Mechanism of Esterase Action: Nature of the Reactive Serine Residue in Enzymes inhibited by Organo-Phosphorus Compounds (1958)
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 927-927 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE is now overwhelming evidence1 that the inhibition of cholinesterase, chymotrypsin and other esterases by di-isopropyl phosphorofluoridate and other organo-phosphorus compounds involves the phosphorylation of only one of the many serine residues present in the enzyme molecule. Serine itself ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/182927a0
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