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  • 1990-1994  (5)
  • 1935-1939  (5)
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  • 1
    Electronic Resource
    Electronic Resource
    Logic and luck (1993)
    [s.l.] : Nature Publishing Group
    Nature 365 (1993), S. 703-704 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH several distinguished and usually critical scientists were well aware that Twort was an exceptionally imaginative and able research worker, he never gained widespread recognition. One reason was the peculiar structure of the Brown Animal and Sanatory Institution of which he was ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/365703a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Boring sperm (1991)
    [s.l.] : Nature Publishing Group
    Nature 351 (1991), S. 704-704 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - By using the title "Sperm whale", Daedalus' research team emphasizes that it thinks only of aggression as a factor in sperm competition1. But the race is not to the swift. Having reached the neighbourhood of an ovum, sperm must bore through a mass of cumulus cells. When one gets into the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/351704c0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Ground rules (1992)
    [s.l.] : Nature Publishing Group
    Nature 357 (1992), S. 373-374 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] "WHERE there is no vision, the people perish"; or, as a marginal note in the better bibles puts it, "will become unruly". Many recent events justify the suggested variant, but the first is more relevant in the present context. That biblical exegisis comes naturally because ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/357373a0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The career of F. W. Twort (1990)
    [s.l.] : Nature Publishing Group
    Nature 343 (1990), S. 504-504 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-By using the title 'What happened?' to R. A. Slepecky's letter1, you seem to be inviting further comment on the career of F. W. Twort. His work after the discovery of bacteriophage in 19152, his ideas about biological replication and the relationship of organisms to one another, and his ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/343504a0
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Aggregation of Purified Tobacco Mosaic Virus (1938)
    [s.l.] : Nature Publishing Group
    Nature 142 (1938), S. 842-843 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHEN we found that the infect i vity and filter-ability of preparations of-tobacco mosaic virus Were reduced and the anisotropy of flow Was increased by chemical methods of isolation, we suggested that linear aggregation had taken place1'2. This is now confirmed by Loring, Lauffer and Stanley, but ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/142842a0
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    A Plant Virus Preparation in a Fully Crystalline State (1938)
    [s.l.] : Nature Publishing Group
    Nature 141 (1938), S. 513-514 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SPECIFIC proteins, believed to be the viruses themselves, have been isolated from plants infected separately with each of seven viruses of the tobacco mosaic and potato virus ‘X’ groups1–4. Although these proteins have some properties in common with crystalline materials, and can ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/141513b0
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Liquid Crystalline Preparations of Cucumber Viruses 3 and 4 (1937)
    [s.l.] : Nature Publishing Group
    Nature 139 (1937), S. 546-547 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a previous note1, we showed that liquid crystalline substances infective at high dilutions could be isolated from solanaceous plants infected with three different strains of tobacco mosaic virus. We have been unable to transmit these strains to cucumber plants, and other ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/139546b0
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Air Raid Precautions (1937)
    [s.l.] : Nature Publishing Group
    Nature 139 (1937), S. 760-761 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHILE we appreciate the fulness of the treatment which has been accorded to our book “The Protection of the Public from Aerial Attack”, we should be grateful for the opportunity of commenting on certain points in the review in NATURE of April 10, p. 606. Regarding the purpose of the book, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/139760a0
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Liquid Crystalline Substances from Virus-infected Plants (1936)
    [s.l.] : Nature Publishing Group
    Nature 138 (1936), S. 1051-1052 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] STANLEY1 has described the preparation of a crystalline protein possessing the properties of tobacco mosaic virus from the sap of infected tobacco and tomato plants. The crystals were small needles made by precipitation with acid ammonium sulphate. We have confirmed these ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1381051a0
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Some factors controlling carotene destruction by chloroplasts in vitro (1994)
    Springer
    Plant foods for human nutrition 45 (1994), S. 35-46 
    Details
    ISSN: 1573-9104
    Keywords: Carotene ; Chloroplasts ; Leaf protein ; Alum ; Calcium ; Citrate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Loss of β carotene from moist leaf protein stored with a preservative, is closely simulated by the destruction of β carotene by acetone extracted chloroplasts (stroma) suspended in acetone containing 30% water. During this exposure, stroma lose destructive ability, but it is restored by mercaptoacetate and other reducing agents. Stroma can therefore be used repeatedly. This catalytic process is activated by removing intrinsic inhibitors, predominantly calcium, by extraction at pHs less than 4, or by alum. The objective is to find inhibitors which would be acceptable in a food. That restricts choice. Citrate, tartarate and phosphate are among the more attractive possibilities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01091227
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    Paper (German National Licenses)
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