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  • 1
    Electronic Resource
    Electronic Resource
    A semi-synthetic penicillinase inactivator (1979)
    [s.l.] : Nature Publishing Group
    Nature 278 (1979), S. 360-361 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sodium clavulanate rapidly inactivates the penicillinase from S. aureus with close to 1:1 stoichiometry. Partially inactivated enzyme regains 10-15% activity over 10 min atpH 7 and 25 C; fully inactive enzyme can be prepared by treatment with a small excess of inactivator. The apparent Km for ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/278360a0
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  • 2
    Electronic Resource
    Electronic Resource
    Stopped visual motion (1979)
    [s.l.] : Nature Publishing Group
    Nature 278 (1979), S. 192-192 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Velocity match for gratings of different spatial frequencies-the dotted line is the true physical rate of revolution. The vertical bars are ±1 s.e. (n = 5). The diameter of the disks was 10cm. A 1-cycle deg"1 grating was used as reference and it was rotated at 1 revolution per min. A ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/278192a0
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  • 3
    Electronic Resource
    Electronic Resource
    Baryon symmetric big bang cosmology (1978)
    [s.l.] : Nature Publishing Group
    Nature 273 (1978), S. 493-497 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The framework of baryon symmetric big bang (BSBE) cosmology offers our greatest potential for deducing the evolution of the Universe because its physical laws and processes have the minimum number of arbitrary assumptions about initial conditions in the big-bang. In addition, it offers the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/273493a0
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  • 4
    Electronic Resource
    Electronic Resource
    Protein polymorphism and the rate of loss of duplicate gene expression (reply) (1979)
    [s.l.] : Nature Publishing Group
    Nature 279 (1979), S. 456-456 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALLENDORF REPLIES-Baker clarifies the types of structural mutations that can affect the loss of duplicate gene expression. I do not believe, however, that his point affects the basic conclusions of my letter1 for several reasons. Enzymes do not have the same number of amino acids. Assume two ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/279456b0
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  • 5
    Electronic Resource
    Electronic Resource
    An athymic nude mutation in the rat (1978)
    [s.l.] : Nature Publishing Group
    Nature 274 (1978), S. 365-366 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A homozygous nude rat is shown in Fig. 1. Vibrissae are present, but are bent, a feature that may be used to recognise homozygotes soon after birth (as in nude mice). Some short hairs are often found on the head, and to a lesser extent on the rest of the body, though there is considerable ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/274365a0
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  • 6
    Electronic Resource
    Electronic Resource
    New Semi-dominant Mutation in the Syrian Hamster (1972)
    [s.l.] : Nature Publishing Group
    Nature 236 (1972), S. 81-82 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In November 1968 a spontaneous semi-dominant mutation causing hypotrichosis occurred in a litter of hamsters (Meso-cricetus auratus) maintained by one of us (M. K. W.). A single male animal with a "sparse coat" was noted among normal littermates. The mating was repeated twice, but no further ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/236081a0
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  • 7
    Electronic Resource
    Electronic Resource
    Heavy Lysozymuria after X-Irradiation of the Spleen in Human Chronic Myelocytic Leukaemia (1972)
    [s.l.] : Nature Publishing Group
    Nature 235 (1972), S. 274-275 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Twenty-four hour samples of urine were collected and the lysozyme activity was estimated by a slight modification of the method of Osserman and Lawlor1. The normal range of activity was from 0?2 µg ml?1. The urine of patients suffering from chronic lymphocytic and acute lymphoblastic ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/235274b0
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  • 8
    Electronic Resource
    Electronic Resource
    Aggressive Strain of Ceratocystis ulmi in Britain (1972)
    [s.l.] : Nature Publishing Group
    Nature 236 (1972), S. 121-122 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the past few years, however, there has been a great increase in the disease in parts of southern England. An assessment of the situation in 1971 is provided by a Forestry Commission ground survey, the full results of which will be published shortly. In an area of 56,600 sq km of southern ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/236121a0
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  • 9
    Electronic Resource
    Electronic Resource
    Primordial Cosmic Ray Sources (1969)
    [s.l.] : Nature Publishing Group
    Nature 224 (1969), S. 870-872 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] New gamma ray observations have provided what may be evidence for primordial cosmic ray sources existing out to redshifts of the order of 100. These sources may be galaxies and quasars in their initial stages of formation. They may have provided the basic energy source for ionizing the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/224870a0
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  • 10
    Electronic Resource
    Electronic Resource
    Crystal Structure of Thaumasite, a Mineral containing [Si(OH) 6 ] 2− Groups (1969)
    [s.l.] : Nature Publishing Group
    Nature 224 (1969), S. 363-364 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Welin2 previously reported an approximate X-ray structure determination on thaumasite. He concluded that the structure was based on columns made from Ca2+ and SiO44 ions and water molecules, between which occurred SO42 and CO32 ions and additional water molecules. Welin considered the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/224363a0
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