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  • 1
    Electronic Resource
    Electronic Resource
    Isoxazolyl Penicillins and Penicillinase (1962)
    [s.l.] : Nature Publishing Group
    Nature 195 (1962), S. 1300-1301 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Most of the cultures used were freshly isolated from clinical material, but in some cases stock strains were used. 0-01 ml. of a 1/10 dilution of a 6-h infusion broth culture was inoculated on to penicillin-containing infusion agar. The plates were incubated overnight and the results recorded. The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1951300a0
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  • 2
    Electronic Resource
    Electronic Resource
    Filtration of Plant Viruses (1932)
    [s.l.] : Nature Publishing Group
    Nature 130 (1932), S. 129-130 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE preparation of graded collodion membranes has been greatly improved of recent years by W. J. Elford, who has developed a technique with which he can produce membranes of highly uniform structure and easily determinable average pore size. These he has used in an investigation of the probable ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/130129b0
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  • 3
    Electronic Resource
    Electronic Resource
    Dimorphism of Long Chain Carbon Compounds. (1931)
    [s.l.] : Nature Publishing Group
    Nature 127 (1931), S. 201-201 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FROM recent X-ray measurements (Malkin, NATURE, Jan. 24, p. 126) it is claimed that the ethyl esters of fatty acids may have two forms of chain. An account of an investigation of several binary systems of C16 and C18 compounds will shortly be published, in which it is ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/127201e0
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  • 4
    Electronic Resource
    Electronic Resource
    Temperature and the Rate of Ageing in Poikilotherms (1963)
    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 400-402 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The rate of living theory (Fig. 1 A), put forward by Pearl1, suggests that the greater longevity at low temperatures arises because the rates of ageing processes, like those of chemical reactions, are greater at higher temperatures. This theory has recently been reformulated by Shaw and Bercaw2, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/199400a0
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  • 5
    Electronic Resource
    Electronic Resource
    Electron Spin Resonance in Photodynamic Dyes (1963)
    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 243-245 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MANY organic compounds sensitize biological systems to visible light, a phenomenon known as ?photo -dynamic action?1. The photon energy is absorbed by the photosensitizer and presumably transferred by an unknown mechanism to an organic substrate, which is then destructively oxidized by molecular ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/199243a0
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  • 6
    Electronic Resource
    Electronic Resource
    Composition of Normal and Pathological Cutaneous Elastin (1963)
    [s.l.] : Nature Publishing Group
    Nature 197 (1963), S. 1108-1109 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Human skin was obtained at necropsy from two Caucasian adults. Actinic elastotic skin was removed under local anaesthesia from the forearm of two volunteers with a Brown dermatome (obtained from Dr. C. C. Tindall, Kissimmee, Florida). Pseudoxanthoma elasticum skin was obtained from a 46-year-old ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1971108b0
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  • 7
    Electronic Resource
    Electronic Resource
    Differences between Pencillinases from Gram-Positive and Gram-Negative Bacteria (1963)
    [s.l.] : Nature Publishing Group
    Nature 197 (1963), S. 976-978 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] UNTIL recently, studies on ponicillinase have boon devoted, almost completely, to the enzymes elaborated by Staph. aureus and tho Bacillus group; furthermore, attention has remained directed largely at those aspects of the properties and production of penicillinases which provide models either for ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/197976a0
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  • 8
    Electronic Resource
    Electronic Resource
    Hydrogen Bonding in Calcium Orthophosphates (1962)
    [s.l.] : Nature Publishing Group
    Nature 195 (1962), S. 1090-1091 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In dicalcium 6is(dihydrogen phosphate) mono-hydrate3, Ca(H2PO4)2.H2O, we find that the distances between oxygens in phosphate groups which we believe to be hydrogen-bonded cover the range from 2-48 0-03 A to 2-87 0-05 A with infra-red peaks at 2,320, 2,430, 2,670, 2,920, 3,160, and 3,450 cm-1. In ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1951090a0
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  • 9
    Electronic Resource
    Electronic Resource
    Crystallographic Studies of the Biuret Reaction (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 707-710 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE bonding between metal ions and peptides is a subject of increasing biochemical interest. Metal-pept ide complexes appear to be involved inter alia in the transit ion-states of metal-activated proteo -lytic enzyme reactions1-2, in the inhibition of the gelation of gelatine by cupric ions (ref. 3 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/184707a0
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  • 10
    Electronic Resource
    Electronic Resource
    Neuromuscular Blocking Agents of Short Duration (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 542-543 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1. DOSES OF D.F. 596 REQUIRED TO PRODUCE PARALYSIS IN DIFFERENT SPECIES Species Test Intravenous dose mgm./kgm. with limits of error (P = 0-05) D.F. 596 (2-Tubocurarine chloride Mouse Rat Dose causing 50 per cent of animals to fall from an almost vertical wire mesh screen within 1 min. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/183542a0
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