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  • 1
    Electronic Resource
    Electronic Resource
    Cell-Wall Mucopeptides of Staphylococcus Aureus and Micrococcus Lysodeikticus (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 520-524 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A CONSIDERABLE number of recent studies have been concerned with the superficial layers of micro-organisms. In particular, insoluble material which is resistant to the action of several proteolytic enzymes and nucleases has been isolated. The morphology of this material is such that it may be ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/184520a0
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  • 2
    Electronic Resource
    Electronic Resource
    Chloramphenicol-Resistant Incorporation of Amino-Acids into Staphylococci and Cell-Wall Synthesis (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 956-957 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE incorporation of radioactive amino-acids into the protein of bacteria, whole tissue cells and various sub-cellular fractions has been widely used as a method of studying the biosynthesis of proteins. In this context, 'protein' is usually denned, in practice, as the residue remaining after ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/181956a0
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  • 3
    Electronic Resource
    Electronic Resource
    Content of Citrulline and Other Amino-Acids in a Protein of Hair Follicles (1958)
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 186-187 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In view of the unexpected occurrence of citrulline, it was of interest to investigate the quantitative composition of the protein of the inner root sheath and to compare it with the composition of the hair with which it is associated in the follicle. Samples of inner root sheaths, hair roots and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/182186a0
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  • 4
    Electronic Resource
    Electronic Resource
    A New Method of Analysing Ionospheric Movement Records (1956)
    [s.l.] : Nature Publishing Group
    Nature 177 (1956), S. 613-614 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN 1948, Gabor1 proposed a system of microscopy by reconstructed wave-fronts which is, in effect, a two-stage image-forming process using Fresnel diffraction2, with the option of changing wave-length half-way. Hitherto the process has been used in conversions from a short wave-length, for example, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/177613a0
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  • 5
    Electronic Resource
    Electronic Resource
    Biosynthesis of Hyaluronate (1955)
    [s.l.] : Nature Publishing Group
    Nature 175 (1955), S. 435-435 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Previously we had reported4 that glutamine specifically stimulates the formation of bound glucosamine, as hyaluronic acid, by washed preparations of group A streptococci incubated at 35 in a simple buffered glucose - salt solution of the following composition: 0-08 M sodium [} glycerophosphate ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/175435a0
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  • 6
    Electronic Resource
    Electronic Resource
    A New Embedding Medium for Electron Microscopy (1956)
    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 803-803 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Attempts have been made to minimize these distorting effects by modifying the methacrylate procedure2, but only with partial success. The substitution of a different embedding medium seems desirable. The possible usefulness of the epoxy resins for the preparation of ultra-thin sections of bacteria ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/178803a0
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  • 7
    Electronic Resource
    Electronic Resource
    Cyclic Polyamides from Nylon 6 and 6.6 Polymers: Synthesis of I : 8-Diaza cyclo -tetradecane (1956)
    [s.l.] : Nature Publishing Group
    Nature 177 (1956), S. 128-129 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE 14-membered-cyclic diamine (I) has been synthesized in these laboratories by three entirely independent routes. In two of these the large-ring diamides discussed in Dr. P. H. Hermans' communications were the starting materials. Both the nylon 6 : 6-cyclic monomer, kindly supplied by Dr. R. J. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/177128b0
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  • 8
    Electronic Resource
    Electronic Resource
    Autoradiography of Tritium-labelled Compounds on Paper Chromatograms (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 721-721 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It seemed that a possible technique would be to coat the paper chromatogram directly with melted photographic emulsion, which would penetrate into the paper, and come into very close contact with the tritiated compound. Tritiated progesterone (Radiochemical Centre, Amersham, Code No. TRA-II), was ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/184721a0
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  • 9
    Electronic Resource
    Electronic Resource
    Structure of α-Keratin (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 592-594 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE examination of thin sections of developing hair1.2 and fragments of chemically degraded wool3.4 in the electron microscope has led to the view that oc-keratin consists of microfibrils about 60-80 A. in diameter embedded in a matrix rich in sulphur. Confirmation of this structure by direct ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/183592a0
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  • 10
    Electronic Resource
    Electronic Resource
    Action of Plasmin on Cartilage (1958)
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 948-949 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Cartilage slices (50 mgm. wet weight) prepared from the condyles of ox femora, or from human articular cartilages, were incubated at 35 C. with phosphate-citrate buffer9 (pTL 6.2, M/10 with respect to phosphate) and chloromycetin (0.1 mgm./ml.) to prevent bacterial contamination, to which was ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/182948a0
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