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  • 1980-1984  (6,880)
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  • 1982  (3,393)
  • 1980  (3,487)
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  • 1980-1984  (6,880)
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  • 1
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    [s.l.] : Nature Publishing Group
    Nature 299 (1982), S. 283-284 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] UNLIKE their editors, the reviewers of large reference books are not expected to read every word of the works they are asked to discuss. In the case of the new (fifth) edition of the McGraw-Hill Encyclopedia of Science and Technology one would have a full-time job for 2.4 years reading its 8.9 ...
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  • 2
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    Nature 299 (1982), S. 285-285 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MORE than 800 natural coumarins are known today, many from higher plants, but a number are important compounds from microbial sources and include antibiotics as well as the more notorious group of aflatoxins. With the appearance of this large and well-printed volume there can be few groups of ...
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  • 3
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    Nature 299 (1982), S. 97-98 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Canberra The Australian government refused two Soviet scientists visas to attend the 12th International Congress of Biochemistry in Perth on 15-21 August, organized by the Australian Academy of Science under the aegis of the International Union of Biochemistry (IUB). The scientists are Professor ...
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  • 4
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    Nature 299 (1982), S. 99-99 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington Public pressure for a change in rules governing the care of laboratory animals has prompted the National Institutes of Health (NIH) to tighten up their requirements, whether or not Congress acts on the matter this year. NIH will require that at least one non-scientist be appointed to ...
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  • 5
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    Nature 298 (1982), S. 111-111 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington An amendment to the National Institutes of Health (NIH) recombinant DNA guidelines that would have banned the construction of biological weapons by molecular cloning was rejected last week by the Recombinant DNA Advisory Committee (see Nature 17 June, p.527). The committee accepted the ...
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  • 6
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    Nature 298 (1982), S. 111-111 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington The Soviet Union will no longer participate in the US International Deep Sea Drilling Program. The bilateral US-Soviet agreement under which it had contributed scientists and $2 million a year for the past nine years has lapsed, and the White House has ordered that it should not ...
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  • 7
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    Nature 298 (1982), S. 111-112 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sir Derek Rayner's proposals last week for reducing peripheral waste in British government research establishments (Nature 1 July, p.3) have encountered a sceptical response. Some staff representatives say that the proposals are based on scanty and misleading analyses. Some of the central ...
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  • 8
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    Nature 298 (1982), S. 112-112 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] New York The fourth "Levich" conference held last month in New York was more like a routine scientific conference than a human rights protest. Organized by the New York Academy of Sciences and the City College of the City of New York, the Fourth International Conference on Physico-Chemical ...
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  • 9
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    Nature 298 (1982), S. 112-112 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Stockholm The Swedish government scored a modest success last week with its ad hoc meeting of the signatories to the 1979 Geneva Convention on long-range transboundary air pollution. The ministerial meeting accepted an expert report on the state of knowledge on acid rain, produced at a meeting the ...
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  • 10
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    Nature 298 (1982), S. 112-113 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington The 30 per cent of US researchers who depend on federal funds are now a little closer to knowing how much money they will have when the new fiscal year begins on 1 October. The House of Representatives and the Senate have finally approved a budget resolution setting targets for ...
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  • 11
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    Nature 298 (1982), S. 113-113 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington Congress gave final approval last week to a plan that will set aside 1.25 per cent of federal research funds for small businesses. The legislation, almost certain to be signed into law by President Reagan, was strongly opposed by universities, fearing reduced spending on basic ...
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  • 12
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    Nature 298 (1982), S. 114-114 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR In Nature of 28 May (p.260), De Witt Stetten Jr writes concerning the release of the gene of Veniality and the epidemic produced thereby. Enjoying as he does a healthy income as an author of one of the best biochemical textbooks around, but being precluded from participating in the gene ...
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  • 13
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    Nature 298 (1982), S. 113-113 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] St Louis From an industrial giant in the heart of California's "Silicon Valley" that specializes in conquering space in a minimum of time comes the latest in rapid communication the homing pigeon. At Lockheed Missiles and Space Company, a division of Lockheed Corporation, draughtsmen have gone ...
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  • 14
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    Nature 298 (1982), S. 114-114 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR Semi-log notation, as advocated by J.A. Nicoll (Nature 10 June, p.450), is already known, see Danloux-Dumesnils, M., The Metric System, 152(Athlone, London, ...
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  • 15
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    Nature 298 (1982), S. 415-415 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - Sr Alberto C. Taquini's letter regarding the Falkland/Malvinas Islands (Nature 10 June, p.430) omits the following salient facts. (1) Only through British help did the Argentine manage to throw off the Spanish yoke. (2) After 1829 the Argentines used the islands as a convict settlement, the ...
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  • 16
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    Nature 298 (1982), S. 415-415 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - If F.W. Cousins would consult the mass of evidence assembled and sifted by Dr J. Goebel in The Struggle for the Falkland Islands (Yale University Press, 1927), he would be forced to agree that the account of the history given by Senor Taquini is broadly correct (Nature 10 June, p.450 and 1 ...
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  • 17
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    Nature 298 (1982), S. 419-420 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE International Satellite Cloud Climatology Project (ISCCP) is designed to take advantage of the global coverage provided by the current array of meteorological satellites. The project is planned to begin early in 1983 and algorithms to determine cloud cover, type, height and optical properties ...
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  • 18
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    Nature 298 (1982), S. 420-421 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PARTICLE theorists have made great progress over the past decade in unifying the apparently disparate forces of nature. Nevertheless, the arbitrary aspects of their most successful field theoretic formulations of particle interactions still leave room for dissatisfaction. One line of attack which ...
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  • 19
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    Nature 298 (1982), S. 416-418 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN itself, genetic manipulation is nothing new; in fact, some anthropologists mark the dawn of civilization from the point at which man began to use selective breeding for crops and domestic animals. Eugenics, as applied to humans, was a powerful ideology during the first thirty years of this ...
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  • 20
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    Nature 298 (1982), S. 421-422 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A few decades ago, astronomers thought they knew what galaxies were and what they were made of, if not how they got there. But as so often happens, new discoveries and contemplation reveal our ignorance. So, in the last two decades, confusion has increased concerning the contents and behaviour of ...
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  • 21
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    Nature 298 (1982), S. 422-422 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Koenig's Experiments in Acoustics In a preceding article it was recounted how Koenig has applied the principle of the wave-siren to prove by direct experiment the influence which phase has upon the quality of a sound. In order to carry out these researches more fully, Koenig has constructed a ...
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  • 22
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    Nature 298 (1982), S. 119-120 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] THE balance of force controlling extension behind subduction zones is still not understood, and for very good reasons: the complexity and small size typical of back-arc regions makes them resistant to analysis at a level of exploration more than adequate for the main ocean basins, and even those ...
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  • 23
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    Nature 298 (1982), S. 120-121 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] VARIANTS of a steric blocking model have been put forward as a basis for the control of both thin filament- and thick filament-regulated muscles. The model proposes that in response to calcium binding by troponin, tropomyosin moves from a blocking position on the edge of the actin long-pitch groove ...
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  • 24
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    Nature 298 (1982), S. 424-425 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE introduction of chain breaks in the DNA of higher eukaryotic cells that have been exposed to radiation or cytotoxic agents elicits an unusual response involving the synthesis of poly(ADP-ribose)1'2. The enzyme responsible for this synthesis, poly(ADP-ribose) polymerase (also called ...
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  • 25
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    Nature 298 (1982), S. 425-426 
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    Notes: [Auszug] THE introduction of the concept of inclusive fitness by Hamilton1 in 1964 led to a revolution in thinking about the evolution of social behaviour, by making clear how selection can act on a gene through its effects on its bearer's relatives. This led to a better understanding of the evolution of ...
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  • 26
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    Nature 298 (1982), S. 427-432 
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    Notes: [Auszug] The redshift distribution of QSO absorption systems which are optically thick in the Lyman continuum matches that of a non-evolving population of absorbers in a standard Friedmann cosmological model over the redshift range 0.4–3.5. The density of absorbers per unit velocity in the QSO rest ...
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  • 27
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    Nature 298 (1982), S. 432-436 
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    Notes: [Auszug] The Through the combined use of magnetic-polarity stratigraphy with fission-track dating of volcanic ashes, a new chronology, spanning 4 Myr, has been developed for the intermontane basin of Kashmir in the northwestern ...
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  • 28
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    Notes: [Auszug] Strong early Holocene crustal uplift over the Spitsbergen archipelago reflects disappearance of an ice mass centred just north-east of the archipelago and which decayed rapidly just after 10,000 BP after a maximum extension between 12,600 and 10,000 BP. From the lithofacies distributions associated ...
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    Nature 298 (1982), S. 441-443 
    ISSN: 1476-4687
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    Notes: [Auszug] From differences in the ability of fragments of the λ repressor to protect operator bases from chemical modification we suggest that the first few N-terminal residues of the λ repressor form an extended arm that reaches around the back of the DNA helix when repressor binds to the ...
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    Nature 298 (1982), S. 443-447 
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    Notes: [Auszug] The structure of the operator-binding domain of the λ repressor has been determined at 3.2 Å resolution. This domain contains an extended N-terminal arm and five α-helices. Model-building studies of the repressor–operator complex suggest that α-helices, especially the ...
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    Nature 298 (1982), S. 447-451 
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    Notes: [Auszug] The amino acid sequences of the repressor and cro proteins of phages λ, 434 and P22 are homologous, especially in a region in which repressor and λ cro have a similar α-helix–turn–α-helix secondary structure. Model-building studies indicate that this structure ...
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    Nature 298 (1982), S. 451-454 
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    Notes: [Auszug] A complete sample of 94 3CR radio sources in the declination range 15〈o〈40 has been observed at Jodrell Bank at four wavelengths; detailed polarization results are to be published elsewhere. These results include values of Δ, which is the position angle of the magnetic field vectors minus the ...
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    Nature 298 (1982), S. 454-455 
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    Notes: [Auszug] In calculating the 63-??? zenith intensity in the lower thermosphre below 130 km, the self-absorption effect should be considered, as the optical depth at the line centre exceeds unity at around 100km. At the same time, the difference between emission and absorption line widths should be taken ...
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    Nature 298 (1982), S. 455-456 
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    Notes: [Auszug] In aluminosilicate structures where each silicon has four nearest-neighbour silicon or aluminium atoms, the 29Si chemical shifts fall into five ranges which can be correlated with the number of aluminium neighbours surrounding a given silicon5'7. To the extent that a given 29Si NMR absorption can ...
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    Notes: [Auszug] The manganese deposits occur in a small area on the flanks of the Tonga-Kermadec Ridge at 2656'S, 17737'W, in a water depth of 1,700 m. The Tonga-Kermadec Ridge is a volcani-cally active feature stretching from Tonga to New Zealand, and constitutes the overriding edge of the Austral-Indian Plate. ...
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    Nature 298 (1982), S. 458-460 
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    Notes: [Auszug] Recent studies of the distribution of deep-sea benthic foraminifera from trigger core-tops have demonstrated a correlation between benthic foraminiferal faunal assemblages and deep-water and abyssal water masses throughout the oceans2'9. The correlation between faunal assemblages and water masses ...
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    Nature 298 (1982), S. 460-462 
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    Notes: [Auszug] The best source of early rainfall analyses proves to be the records of agricultural stations concerned with the importance of meteoric nitrogen to crop yields. In the UK analyses were made at Rothamsted as early as 1853, although NOs and NH3 were not determined simultaneously until several years ...
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    Nature 298 (1982), S. 462-464 
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    Notes: [Auszug] Only a few studies of emissions of N2O from soils have been carried out over extended time periods in commenai aricul-tural conditions. In the US Hutchinson and Mosier5 measured a loss of 2.6 kg N2O-N ha-1 during corn growth in typical Colorado conditions and emissions of N2O ranging from 6 to 40 ...
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    Nature 298 (1982), S. 464-466 
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    Notes: [Auszug] The bat guano deposit from which D. caveatum was isolated is situated in darkness where the temperature is a constant 15 C and the relative humidity is always 100%. Seven other species were isolated from the same deposit. A single isolate of D.caveatum was obtained which represented less than 1% of ...
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    Nature 298 (1982), S. 467-468 
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    Notes: [Auszug] Circling behaviour is an extensively studied area of the neurosciences and has recently been reviewed1. Studies have used lesions, stimulation of various brain areas and pharmacological manipulations in an effort to understand the neural basis of motor behaviour. Most workers have focused on the ...
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    Nature 298 (1982), S. 471-472 
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    Notes: [Auszug] By immunofluorescence the uneven morphological distribution of P2 in peripheral myelin sheaths7'8 was the same in shiverer and normal mice (Fig. 1). Immunoblotting revealed in the shiverer a band of the same mobility as bovine P2 and normal mouse P2, in about the same amounts as in normal mouse ...
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    Notes: [Auszug] Five experimental groups were established (see Fig. 1). All hosts were adult mice (hpg mutants* 5-6 months old; normal males, 5-8 months). POA grafts were obtained from 16-18-day-old fetuses (crown-to-rump length, 17-21 mm). (For method of grafting see Fig. 1 legend,) Growth rates of grafted ...
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    Nature 298 (1982), S. 165-167 
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    Notes: [Auszug] Figure 1 illustrates the basic observation, confirmed by others in a variety of tissues6"11, from which it was concluded that proton block of Na+ channels is voltage-dependent. At low pH, the reduction of peak Na+ channel permeability is greater for small depolarizations than it is for large ...
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    Notes: [Auszug] We studied immunoglobulin expression in BL cells in 19 continuous BL cell lines, and in 10 fresh specimens. For the immunological and cytogenetic investigations, all specimens were coded and studied 'blind'. The study was performed at least twice for most of the samples. In two cases, the fresh ...
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    Notes: [Auszug] B6.1.SF.1 is a cloned murine CTL line derived from a female C57BL/6 mouse maintained in culture for more than 2 yr3. At the time of fusion the line had high cytolytic activity against the BALB/c myeloma SI94 but it had lost its original activity against H-2d lipopolysaccharide blast target cells. ...
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    Notes: [Auszug] A typical experiment is illustrated in Figs 1 and 2. Fresh cells in Ca-free saline were loaded with chelator as described in Fig. 1 legend. An aliquot of these cells was analysed by equilibration with Ca-EGTA buffers and Ca ionophore to determine the in situ Ca-binding properties of the ...
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    Nature 298 (1982), S. 176-178 
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    Notes: [Auszug] Twenty 3-week-old C57BL/6(B6) mice (Jackson Laboratories) were injected intramuscularly (i.m.) with 6 x 103 focus-forming units of murine sarcoma-murine leukaemia virus (MSV). This virus was generated from tumour cell suspensions of MSV-induced rhabodomyosarcomas induced in young BALB/c By mice. ...
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    Nature 298 (1982), S. 178-180 
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    Notes: [Auszug] 2.4G2, a hybridoma that has been extensively characterized6'8, was produced by fusing the mouse myeloma P3U1 with spleen cells from a rat immunized with the mouse macrophage-like cell lines J774 and P388D1. The antibody produced by 2.4G2 is a rat IgG specific for the macrophage FcyR which binds ...
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    Nature 298 (1982), S. 174-176 
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    Notes: [Auszug] Table 1 Successful absorption of the antigen-specific suppressor T-cell factors from Igh-1b mice with anti-CB-20 TsF absorbed with Materials added IgG anti-DNP PFC per culture KLH-TsF obtained from mice C57BL/6(H-2bJgh-lb] CWB(H-2bJgh-lb] C3H.SW(H-2bJgh-lj] BALB/c(H-2dJgh-la] BAB-14(H-2dJgh-lb) ...
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    Nature 298 (1982), S. 180-182 
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    Notes: [Auszug] We found previously that a subspecies of mouse DNA polymerase a was co-purified with a novel RNA polymerase activity by successive ion-exchange column chromatographies and that it could synthesize DNA with poly(dC) and poly(dT) as template without added primer in the presence of a specific ...
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    Nature 298 (1982), S. 184-187 
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    Notes: [Auszug] We have isolated Charon 4A clones containing all the A genes of SJL mice. The CA3-CA 1-and VA1- containing clones were studied in detail using restriction enzyme mapping, electron microscopy and DNA sequencing, to determine if any structural elements of Al genes which might affect Al expression ...
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    Nature 298 (1982), S. 189-192 
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    Notes: [Auszug] The distribution of UV-induced DNA damage across the lad gene was determined using methods described previously3. Briefly, fragments of the lad gene labelled at the 3' terminus were irradiated with 254 nm UV light from a germicidal lamp and incubated either with Micrococcus luteus UV endonuclease4 ...
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    Nature 298 (1982), S. 182-184 
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    Notes: [Auszug] Hearts removed rapidly from stunned rabbits were perfused retrogradely with modified Krebs-Henseleit buffer in a Lan-gendorff-type apparatus and we recorded the force and heart rate as described previously13'15. We perfused the hearts for 5 min without recirculation, and then for 15 min by ...
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    Notes: [Auszug] We have shown previously by heterologous hybridization that Neurospora mitochondrial DNA contains a sequence homologous to the yeast mitochondrial gene for the DCCD-binding protein6. We recently completed the nucleotide sequencing of this fragment (Fig. 1). It contains one open reading frame per ...
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    Nature 298 (1982), S. 192-195 
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    Notes: [Auszug] One approach to localizing globin gene promoter regions is to replace stretches of cloned globin genomic DNA with foreign DNA (for example plasmid pBR322)6 and determine whether the remaining globin sequences can direct RNA polymerase II to initiate transcription accurately in vitro. We have used ...
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    Nature 298 (1982), S. 198-200 
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    Notes: [Auszug] The analysis forbids ranges in W shown as bars in Fig. 2. Figure 2a indicates that a purine next to a purine on the same strand favours W = 50±5, while Fig. 2c shows that a 5'Py-Pu3' arrangement leads to W = 45 ± 10 except for the C-G: C-G stacking interaction, which is likely to ...
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    Nature 298 (1982), S. 497-497 
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    Notes: [Auszug] THE authors of this ambitious book, a translation from the German original Das Spiel, first published in 1975, have tried to make accessible to the general reader a group of related ideas which elsewhere are almost always treated with considerable mathematical sophistication. They touch on a very ...
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    Nature 298 (1982), S. 497-498 
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    Notes: [Auszug] ONE of the generally accepted principles of biogeography is that geographical distributions of plants and animals are primarily controlled by climate. It is therefore a fundamental weakness of the subject that so important a premise cannot readily be verified by experiment. Climate cannot easily be ...
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    Nature 298 (1982), S. 498-498 
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    Notes: [Auszug] PRACTITIONERS of electron microscopy lie on a spectrum of widely different philosophy. On one hand there are those to whom the technique is entirely incidental to the subject studied, and seems to command no real interest or understanding; such people adduce a mass of poorly understood and suspect ...
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    Nature 298 (1982), S. 500-500 
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    Notes: [Auszug] TEXTBOOKS of cell biology refer to centrioles as small bodies that act as foci for mitotic spindle formation in animal cells; many proceed to indicate that centrioles may also act as ciliary basal bodies. In The Centriole, Dr Wheatley examines the evidence for these and other beliefs and ...
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    Nature 298 (1982), S. 498-499 
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    Notes: [Auszug] THE appearance of this book is something of an event in the world of image analysis. For more than a decade now, scattered ideas and results have been emerging from the Ecole des Mines at Fontainebleau, suggesting that something new was in the air. A connected account was lacking, however, and even ...
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    Notes: [Auszug] NINETEEN seventy-nine was a vintage time for those climatologists and historians interested in each other's work, as in that year two major conferences were held on the topic of "climate and history". The first meeting, in Cambridge, Massachusetts, was organized by historians Theodore Rabb and ...
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    Nature 298 (1982), S. 313-313 
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    Notes: [Auszug] With the best will in the world, it will be hard for Europeans to be charitable about last week's special cabinet meeting called by President Reagan to help him decide whether United States farmers should continue to sell bulk cereals to the Soviet Union when present arrangements run out in ...
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    Nature 298 (1982), S. 204-204 
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    Notes: [Auszug] HUMAN evolution as a study has a curious and persisting interest which may stem partly from the notion that had it not happened we would not be here to study it or anything else. Numerous books reflect this fascination, but most popular surveys concentrate on one side of the evidence, the ...
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    Nature 298 (1982), S. 207-208 
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    Notes: [Auszug] THE control of pollution is only in small part a matter of science and technology. Mostly, it falls into that untidy area where practical decisions must be made from ethical judgements, and hence into the province of the politician. So it is that Eric Ashby and Mary Anderson have written a ...
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    Nature 298 (1982), S. 315-315 
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    Notes: [Auszug] Washington General Lew Alien Jr, who recently retired as chief of staff of the US Air Force, is reported to be the leading candidate for the directorship of the Jet Propulsion Laboratory (JPL), managed on behalf of the National Aeronautics and Space Administration (NASA) by the California ...
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    Nature 298 (1982), S. 315-316 
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    Notes: [Auszug] France has done no microbiology for 20 years, has few people who understand fermentation or fungi and has never developed food processing technology. This wild exaggeration is the opinion of a francophile British biotechnologist sketching the problems facing France in his field. Now, however, a ...
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    Notes: [Auszug] The British government is embarking on the most significant phase in its plans to liberalize the telecommunications industry. Mr Patrick Jenkin, Secretary of State for Industry, said this week that he will be introducing legislation in November to sell off British Telecom (BT), the state-owned ...
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    Nature 298 (1982), S. 317-317 
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    Notes: [Auszug] Science, it seems, has once again failed the sperm whale. Among other issues, the annual meeting of the International Whaling Commission (IWC), which convenes this week in Brighton, must decide on sperm whale catch limits. Quite how it will do so is not at all clear. The Scientific Committee of ...
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    Notes: [Auszug] Paris The French universities are to be reformed ? again. A couple of years ago, the then President Giscard D'Estaing's minister of universities, Mme Alice Saunier-SeTte, set about the universities with a hatchet, amputating this and that to academic screams of "Fascist!" and worse. But now, more ...
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    Notes: [Auszug] The space-flight of the Frenchman Jean-Loup Chretien, the first West European in orbit, has been hailed as a triumph for detente and cooperation in both France and the Soviet Union. Although events in Poland had moved a number of French scientists to sign petitions advocating withdrawal from the ...
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    Nature 298 (1982), S. 317-318 
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    Notes: [Auszug] "We realize that we're just a football. We're here to be kicked by both sides." Thus a spokesman for the British Technology Group (BTG) on the group's present interest ? the marriage of industry and academic science to put high technology on the market. In its latest venture, an academic enterprise ...
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    Nature 298 (1982), S. 318-318 
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    Notes: [Auszug] The European Commission is urging the Community's member states to take greater precautions to ensure that herbicides containing 2,4,5-trichlorophenoxy-acetic acid (2,4,5-T) do not contaminate food. In a surprising move, the Commission is recommending that the Council of Ministers adopt a directive ...
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    Nature 298 (1982), S. 8-8 
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    Notes: [Auszug] SIR ? In Nature of 20 May, A.M. Anderson in his comments' on the article in the same issue by R. Lynn entitled "IQ in Japan and the United States shows a growing disparity"2, refers to the increase in educational opportunities in Japan since the 1930s, perhaps implying that this increase might be ...
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    Nature 298 (1982), S. 319-319 
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    Notes: [Auszug] They have been playing musical chairs at CERN, the European Centre for Nuclear Research near Geneva. Last week there were six proposed experiments for LEP, the large electron-positron collider due to start up at the end of 1987. Now there are four, after a preliminary examination of the proposals ...
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    Nature 298 (1982), S. 11-13 
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    Notes: [Auszug] IN some species of invertebrates, the sex ratios of emerging adults can vary from nearly 100 per cent males to nearly 100 per cent females1'2. Although the immediate causes of sex ratio variation are diverse ? in some species, sex ratios are controlled by environmental conditions during growth ...
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    Nature 298 (1982), S. 320-320 
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    Notes: [Auszug] SIR ? Nils Ove Bielsten (Nature 25 March, p.284) claims on the basis of "fact" that nuclear power plants are safer than hydroelectric, causing far fewer fatal casualties (a rather dubious claim considering comparative risk analysis), "not a single one occurring to people outside the plants (except ...
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    Notes: [Auszug] SIR ? Like J.A. Nicoll (Nature 10 June, p.450) and probably many others I have considered a simplified notation for physical quantities in terms of SI units. The appropriate unit is automatically implied by the quantity that must necessarily be specified. Thus the statement that a force is 12 ...
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    Notes: [Auszug] SIR ? Thank you for the splendid review on "Science in West Germany", which was published in Nature on 27 May. There are, however, some additional points on the present situation of German universities which I would like to highlight. The statement that government support of science will decrease ...
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    Notes: [Auszug] SIR ? It would be unfortunate if the pungent style of S. Blinkhorn's review of The Mismeasures of Man by S. J. Gould, (Nature 8 April, p.506) should weaken the force of his criticism. Like Blinkhorn I think there is much to object to in this book and, for T. J. M. Schpf (Nature 13 May, p.98), I ...
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    Nature 298 (1982), S. 321-321 
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    Notes: [Auszug] THE battle seems now to have been joined in earnest. Waving their branching weapons of attack, some of the cladists are now assaulting even the most fundamental roots of the systems of relationship that the traditional evolutionary morphologists have developed. After the skirmish over the ...
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    Nature 298 (1982), S. 322-323 
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    Notes: [Auszug] CHAOS and randomness are ubiquitous. In many scientific disciplines, random time series are obtained from an experiment and analysed into their power spectra. Often enough, the irregular motion of a system will have been produced by an external noise source. On the other hand, irregular motion and ...
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    Notes: [Auszug] THE NEW AFRICAN EXPEDITION It is now understood to be quite settled that a new African exploring expedition will start next year. The Royal Geographical Society have, as might have been expected, taken the opportunity of Mr. Joseph Thomson's return from the completion of his engagement to the ...
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    Nature 298 (1982), S. 323-323 
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    Notes: [Auszug] IN a rough way, the matrix of mitochondria can be thought of as a cell cytoplasm containing a chromosome, a transcription and translation apparatus, and a number of metabolically important soluble enzymes. The peculiar thing, of course, isthat much of this ? for reasons that are unknown ? ...
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    Nature 298 (1982), S. 324-324 
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    Notes: [Auszug] THE recent documentation by Peignoux-Deville et al.1,2 of bone in the vertebrae of the backbone of the dogfish, Scyliorhinous canicula, a member of the cartilaginous fishes (Chondrichthyes), has important implications for biology because sharks and rays are grouped together as cartilaginous fishes ...
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    Notes: [Auszug] THE measurement and cataloguing of stellar positions is one of the oldest branches of science and the results, gathered over the centuries, have been crucial in the formulation of our present concept of the scale and structure of the Universe. But astrometry is hardwork. To achieve a precision very ...
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    Nature 298 (1982), S. 325-326 
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    Notes: [Auszug] A RECENT international workshop on monoclonal antibodies to human melanoma-associated antigens* demonstrated rapid progress in the analysis of 30 monoclonal antibodies that had been produced and exchanged by 10 laboratories. There was general agreement that 24 antibodies defined 11 antigens ...
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    Notes: [Auszug] ENHANCED plant productivity is one means by which world food and energy shortages may be alleviated. For this reason research into the photosynthetic process is increasingly favoured both in the UK and overseas. However, the crop physiologist is quick to remind us that the connection between ...
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    [s.l.] : Nature Publishing Group
    Nature 298 (1982), S. 327-328 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING the differentiation of B lymphocytes, the immunoglobulin genes they express undergo a succession of rearrangements. The last of these determines the class of antibody expressed ? whether it is IgM, IgG, IgA and so on. Just which of these classes or isotypes will predominate in an antibody ...
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    [s.l.] : Nature Publishing Group
    Nature 298 (1982), S. 328-328 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In "Sons and daughters" from T.H. Clutton-Brock (Nature 298, 11; 1982) the figures shown for Papio cynocephalus (Table 2) as "Per cent males" are actually totals; the percentage of males would be 35 (for high maternal rank) and 68 (for low maternal ...
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    [s.l.] : Nature Publishing Group
    Nature 298 (1982), S. 72-72 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have studied a population of newborns similar to that examined by Delire et a/., 24 bottle-fed and 53 breast-fed, for the presence of immune complexes in cord sera and serum samples collected 6 days after birth. We have used the same method as Delire et al.1 and, in addition, the Clq-SP assay of ...
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The sequence of α1–antitrypsin is in keeping with its role as a tissue scavenger of leukocyte elastase. Two abnormal variants commonly present in Europeans cause a deficiency that predisposes them to a progressive loss of lung elasticity. The nature of the reactive centre ...
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    [s.l.] : Nature Publishing Group
    Nature 298 (1982), S. 339-343 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Geochemical and hydrogeological evidence shows that the thermal springs at Bath originate from the Mendip Hills. A maximum subsurface temperature of 80±16 °C is attained during circulation to between 2.7 and 4.3 km within the Carboniferous Limestone. The residence time of the bulk of the ...
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A transforming gene isolated from T24 human bladder carcinoma cells is closely related to the BALB murine sarcoma virus (MSV) onc gene (v-bas). This transforming gene is localized to a 4.6 kilobase pair (kbp) region and is expressed as a 1.2-kbp polyadenylated transcript, which contains v-bas ...
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    [s.l.] : Nature Publishing Group
    Nature 298 (1982), S. 350-354 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] With respect to spherical polar coordinates (r, 0, ?) about any axis, the linear eigenfunctions of oscillation of a spherically symmetrical star of radius R are separable in radial and angular coordinates. For example, the radial component or of the displacement eigenfunction can be written: Sr(r, ...
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The surface antigen of hepatitis B virus (HBsAg) has been synthesized in the yeast Saccharomyces cerevisiae by using an expression vector that employs the 5′-flanking region of yeast alcohol dehydrogenase I as a promoter to transcribe surface antigen coding sequences. The protein synthesized ...
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    [s.l.] : Nature Publishing Group
    Nature 298 (1982), S. 354-357 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Equatorial ionospheric irregularities have been extensively investigated during the past decade by techniques such as rocket and satellite in situ measurements, radar, airglow and propagation effects on transionospheric signals3. It has been shown that the plumes of equatorial irregularities ...
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    [s.l.] : Nature Publishing Group
    Nature 298 (1982), S. 357-358 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Polymorphic transformations which occur by a martensitic mechanism involve a specific, coordinated movement of atoms. The interface which effects the transformation propagates by the movement of a series of partial dislocations resulting in the production of stacking faults. Such faults represent ...
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    [s.l.] : Nature Publishing Group
    Nature 298 (1982), S. 358-361 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Consider a fluid experiment such as Rayleigh-Brnard convection or the flow between concentric cylinders in a regime which produces aperiodic flow3. Substantial theoretical and experimental attention has been given to the temporal characteristics of these flows as dynamical systems. The Landau-Hopf ...
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    [s.l.] : Nature Publishing Group
    Nature 298 (1982), S. 361-363 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Precipitation after 1954 contained 3H which was produced by the thermonuclear weapon testing in the atmosphere. The 3H content of rainfall in the UK has declined from a maximum of -2,000 TU in 1963 to about 60 TU in 19751. The pre-1954 3H content (due to cosmic ray production) of precipitation on ...
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