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  • Nature Publishing Group  (3.471)
  • American Association for the Advancement of Science (AAAS)  (2.335)
  • 2020-2023
  • 1980-1984  (5.806)
  • 1981  (5.806)
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  • 2020-2023
  • 1980-1984  (5.806)
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  • 1
    Digitale Medien
    Digitale Medien
    Israeli education: More gloom (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 505-506 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Tel Aviv The complaint that cuts in higher education could seriously endanger Israel's scientific potential in the 1990s ran through the symposium organized at the end of November by the Israeli popular science magazine Mada to celebrate its twenty-fifth anniversary. Ironically, the symposium ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294505b0
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  • 2
    Digitale Medien
    Digitale Medien
    Germany's breeder: Gap unbridged (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 505-505 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Ulm, West Germany Rapidly rising costs are threatening the future of West Germany's SNR-300 fast-breeder reactor, with government and public service utility companies still arguing over who should foot the the increased bill if the project is to continue. The Minister of Research and Technology, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294505a0
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  • 3
    Digitale Medien
    Digitale Medien
    What price IIASA? (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 507-507 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Washington The Vienna-based International Institute for Applied Systems Analysis (IIASA) has now been informed officially that the United States will be withdrawing its support for the institute from the beginning of 1983 (see Nature 3 December, p.390). This gives IIASA some breathing space in ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294507a0
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  • 4
    Digitale Medien
    Digitale Medien
    India's space programme: Now for real (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 507-508 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] New Delhi India entered a new phase in its development of a series of satellites for remote-sensing applications with the successful launching of its experimental satellite Bhaskara II, into a circular Earth orbit from the Soviet Union on 20 November. India's space programme for the 1980s includes ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294507c0
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  • 5
    Digitale Medien
    Digitale Medien
    Scientific fraud: In Bristol now (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 509-509 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A further case of falsification in the scientific literature has come to light. The following letter has been received from Dr M. J. Purves of the Department of Physiology at the University of Bristol: SIR I very much regret to have to report that data published in the preceedings of the 28th ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294509b0
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  • 6
    Digitale Medien
    Digitale Medien
    Species difference (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 510-510 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR There is a serious misunderstanding which is impeding any resolution to the current debate on macroevolution. Recent analysts of the fossil record report a pattern which they claim "strongly supports the notion that speciation is a qualitatively different phenomenon from gradual, intraspecific ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294510b0
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  • 7
    Digitale Medien
    Digitale Medien
    Protein–lipid interactions: do the spectroscopists now agree? (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 512-513 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE controversy over whether or not integral proteins in membranes restrict the acyl chain motion of neighbouring lipids appears to have been resolved. Singer and Nicholson's * fluid mosaic' model implies a uniform lipid environment throughout the membrane, and NMR studies of lipid dynamics ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294512a0
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  • 8
    Digitale Medien
    Digitale Medien
    Parasites affect behaviour of mice (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 515-515 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] PARASITIC WORMS are ubiquitous in small mammals, even in many laboratory colonies, and are almost invariably ignored in behavioural studies. Two recent investigations indicate, however, that they may markedly influence both the acquisition of dominance and general exploratory behaviour of mice. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294515a0
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  • 9
    Digitale Medien
    Digitale Medien
    Clues for the origin of cosmic rays (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 518-519 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] DURING the 1960s and early 1970s it became possible to measure the elemental composition of the cosmic radiation in fine detail. This achievement constituted a major breakthrough towards recognizing the elusive origin of the high energy particles that pervade the Galaxy. In particular, it was found ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294518a0
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  • 10
    Digitale Medien
    Digitale Medien
    Middle atmosphere dynamics (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 519-520 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] MUCH of our understanding of the dynamics of the middle atmosphere1-9 comes from data gathered in the mid-sixties by rocket techniques and by meteor radars. The techniques each had their particular limitations and left the mesoshere and lower thermosphere (60-100 km above the Earth's surface) as ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294519a0
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  • 11
    Digitale Medien
    Digitale Medien
    Radio jet of 3C273 (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 540-542 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] New radio observations of 3C273 at 408 MHz (? 0.735m) made with the MTRLI6'7 at Jodrell Bank are shown in Fig. la, along with a reproduction to the same scale (Fig. Ib) of an optical photograph8, taken in the blue-green. (The optical QSO is 13th magnitude, and has a redshift of 0.158.) In neither ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294540a0
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  • 12
    Digitale Medien
    Digitale Medien
    Halo around the Crab Nebula (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 543-544 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The observational material was a deep IIIaF plate obtained on 28 December 1976 from the 1.2-m UK Schmidt Telescope specifically to search for a halo around the Crab, and partly analysed but displaced from our attention by other interesting observations in June 1978. The exposure was through an ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294543a0
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  • 13
    Digitale Medien
    Digitale Medien
    Dipoles of the α -helix and β -sheet: their role in protein folding (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 532-536 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] As a result of the regular arrangement of peptide dipoles in secondary structure segments and the low effective dielectric constant in Hydrophobic cores, the electrostatic energy of a protein is very sensitive to the relative orientation of the segments. We provide here evidence that the alignment ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294532a0
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  • 14
    Digitale Medien
    Digitale Medien
    Neurotensin receptors are located on dopamine-containing neurones in rat midbrain (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 587-589 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Male, Sprague-Dawley rats (225-275 g) were used in our experiments. 6-Hydroxydopamine (Sigma) was dissolved in saline containing 0.2 mg ml'1 ascorbate to give a final concentration of 2 mg ml"1 and 6 jxg of drug were injected over a 5 min period with a Hamilton 5 ! syringe, which was placed ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294587a0
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  • 15
    Digitale Medien
    Digitale Medien
    Isolation and biogenesis of a new peptide from pancreatic islets (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 589-591 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] To obtain amounts of the co-synthesized pro-PP-related product sufficient for structural, immunological, and biological studies, we used the biosynthetically labelled peptide as a probe. Duodenal lobes of canine pancreas which are especially rich in PP18 were extracted in acid ethanol and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294589a0
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  • 16
    Digitale Medien
    Digitale Medien
    The results of thinking small (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 596-596 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] GOOD popular expositions on particle physics are rare; this is one of them. It is a sequence of separate lectures given by prominent figures in the field at Wolfson College in 1980. In contrast to the common pattern in such series, the lecturers - at least occasionally - cross-refer to one ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294596a0
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  • 17
    Digitale Medien
    Digitale Medien
    An abundance of beetles (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 597-598 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] WE LIVE in the age of the obscure beetle. Flowers, fleas, birds and butterflies are all much more obvious organisms, but there are more species in the order Coleoptera than there are in the class Angiospermae, and even, perhaps, than in the whole plant kingdom. Since this enormous species diversity ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294597b0
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  • 18
    Digitale Medien
    Digitale Medien
    Puzzles of perception (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 598-598 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE perceptual psychologist J.J. Gibson (1904-1979) wrote a series of books which crystallized a theoretical stance he called "ecological optics" and "direct perception". The books were widely read and many details from them became absorbed as standard textbook material, but it seemed for many ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294598a0
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  • 19
    Digitale Medien
    Digitale Medien
    What systems analysis? (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 390-390 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Not so long ago, in the early 1970s, governments throughout the world were being asked to subscribe to what was intended as a unique instrument of scientific collaboration between East and West ? the creation of the International Institute of Applied Systems Analysis at Laxenburg near Vienna. How ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294390a0
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  • 20
    Digitale Medien
    Digitale Medien
    Yellow rain too soon (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 390-390 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The United Nations has done itself a power of harm by its appointment of a commission to investigate charges by the United States that the Soviet Union has been using biological weapons in South-East Asia and in Afghanistan. Last week, the commission (having been to South-East Asia but not to ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294390b0
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  • 21
    Digitale Medien
    Digitale Medien
    Asian ecology: Loss of balance (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 394-394 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Bangalore The increasing demand for wood for fuel in Nepal and Thailand is threatening the ecological balance of a large part of South Asia. In Nepal, deforestation is so rapid that it has been estimated that the country will be without forest by the year 2000. The lack of tree cover is already ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294394d0
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  • 22
    Digitale Medien
    Digitale Medien
    Harsh sentence for Paritskii (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 394-394 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A Khar'kov court has sentenced Aleksandr Paritskii, a 43-year-old specialist in electronics, to three years in a labour camp. The sentence was the maximum possible for his formal offence disseminating anti-Soviet propaganda. Its severity may be due to one of Paritskii's activities which was not ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294394b0
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  • 23
    Digitale Medien
    Digitale Medien
    ARC biotechnology: Cottage industry? (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 392-392 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The pips may squeak in British research, but biotechnology forges on. The UK Agricultural Research Council (ARC), whose budget shrank 3 per cent in real terms between 1979-80 and 1980-81, has actually been able to announce the setting up of a new research centre. Admittedly, it is in a portable ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294392a0
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  • 24
    Digitale Medien
    Digitale Medien
    T lymphocytes: repertoire and recognition (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 399-400 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ANY discussion of T cell immunology sooner or later leads to controversy. Although T cells, like B cells, are capable of recognizing foreign antigens with exquisite specificity, the nature of their activation is far less well understood. First, they are a heterogeneous population pursuing both ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294399a0
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  • 25
    Digitale Medien
    Digitale Medien
    Receptors, channels and whole-body NMR in Mexico (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 400-402 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE 7th International Biophysics Congress and 3rd Pan-American Biochemistry Congress was held in Mexico City recently. Despite the title, no dichotomy was obvious it is now impossible to distinguish biophysicists from biochemists on the basis of project or hardware. Many topics were covered, but a ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294400a0
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  • 26
    Digitale Medien
    Digitale Medien
    The geological exploration of Tibet (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 403-404 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] OWING to its unique physiography, geographical location and culture, the Tibetan Plateau has long attracted international scientific interest. Tibet owes its uniqueness to its very high elevation ( 5 km above sea level), its vast areal extent (-2.5 million km2) and its position in the rain shadow ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294403a0
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  • 27
    Digitale Medien
    Digitale Medien
    Dual function transcripts specifying tRNA and mRNA (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 422-427 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A cluster of four tRNA genes in Escherichia coli is co-transcribed with an adjacent gene encoding elongation factor Tu. The resultant transcript that specifies both structural (tRNA) and informational (mRNA) RNA may not be an uncommon occurrence and has interesting regulatory ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294422a0
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  • 28
    Digitale Medien
    Digitale Medien
    Bond-lengths, bond angles and transition barrier in ice Ih by neutron scattering (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 432-434 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Measurements were done at the four-circle neutron diffractometer D9 of the Institut Laue-Langevin using a wavelength of 0.7107(5) A on a pure specimen of 6.5 mm3 cut from a larger sample (supplied by A. Chaillou, Laboratoire de Glaciologie, Grenoble). The temperature was maintained using a closed ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294432a0
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  • 29
    Digitale Medien
    Digitale Medien
    High-resolution seismic reflection profiles reveal fracture zones within a ‘homogeneous’ granite batholith (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 439-442 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The Lac du Bonnet batholith is a 96 x 25 km pluton trending ENE-WSW in southeastern Manitoba, close to the border with Ontario4. This pluton is one of the crystalline rock bodies being studied at four research areas in the southern Canadian Shield by Atomic Energy of Canada Limited. It contains the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294439a0
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  • 30
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    Digitale Medien
    Atmospheric concentration of ammonia in Massachusetts and deposition on vegetation (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 445-446 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In our measurements (Fig. 1) we found a strong seasonal pattern in the atmospheric concentrations of NH3 and NHJ, with maximum values during the summer months. This suggests that much of the NH3 may come from agricultural or natural sources, rather than from the combustion of oil and coal. The ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294445a0
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  • 31
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    Digitale Medien
    Satellite measurements of H 2 O fluorescence in the mesosphere (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 431-432 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] There are believed to be two water vapour sources in the upper atmosphere, both of which are subject to tropospheric influences. The first is direct injection by mechanisms at present poorly understood but probably involving the Hadley cell circulation in low latitudes and the 'tropopause gap' in ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294431a0
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  • 32
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    Digitale Medien
    The role of liquid halogen in the reaction of crystalline KBr with gaseous Cl 2 (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 434-436 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A feature of the reaction not emphasized in previous reports1'3 was the invariable and strongly developed red-brown colouration of the product nuclei. This is important evidence of the retention of liquid bromine (and BrCl) within the productassemblages which, on standing in air or vacuum at ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294434a0
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  • 33
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    Digitale Medien
    A sterile defender morph in a polyembryonic hymenopterous parasite (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 446-447 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A colony of an as yet undescribed species of the encrytid genus Pentalitomastix has been maintained in the laboratory on its natural host, the phycitid moth Anagasta kuehniella (Zeller). Female wasps oviposit in the host egg but the resulting parasitized host larva does not succumb until after it ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294446a0
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  • 34
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    Digitale Medien
    Regulation of epithelial tight junction permeability by cyclic AMP (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 451-453 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] After decapitating the animals, gallbladders were removed, washed and mounted mucosal side up between two halves of a Plexiglass chamber. The tissue was loosely stretched over a 0.13-cm2 chamber opening and sealed with vacuum grease between chamber halves. Tissues were bathed on both sides by a ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294451a0
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  • 35
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    Digitale Medien
    Identification of antigenic determinants unique to the surfaces of cells transformed by Epstein–Barr virus (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 458-460 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Spleen cells from C57BL/6 or BALB/c mice immunized by repeated intraperitoneal injections of 107 cells of one clone of EBV-transformed human cells were used to generate hybri-domas following the method of Kohler and Milstein3. A two-step screening was performed to select those hybridomas whose ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294458a0
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  • 36
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    Digitale Medien
    Multiple conductance states of single acetylcholine receptor channels in embryonic muscle cells (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 462-464 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Single channel currents activated by ACh were recorded from cell-free membrane patches isolated from spherical 'myoballs'. Most experiments were performed at low temperatures (5-8 C) using the 'outside-out' patch configuration4, in which the extracellular membrane face is exposed to the bath ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294462a0
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  • 37
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    Digitale Medien
    GABA reduces binding of 3 H-methyl β -carboline-3-carboxylate to brain benzodiazepine receptors (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 472-474 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] 3H-/3-CCM bound readily to membranes prepared from rat forebrain, hippocampus and cerebellum. Equilibrium was achieved in 10 min at 0 ?C and did not change for at least 80 min (data not shown). Specific binding of 3H-/3-CCM was defined as the difference between total binding and nonspecific ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294472a0
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  • 38
    Digitale Medien
    Digitale Medien
    Multiple tubulin forms are expressed by a single neurone (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 477-480 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 An isolated neurone grown in a well of a Terasaki plate, viewed by phase-contrast microscopy. Scale bar, 40 u.m. Neurones from the superior cervical ganglia of newborn rats were grown as described previously27. Briefly, the ganglia were mechanically dissociated and the cells plated on to ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294477a0
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  • 39
    Digitale Medien
    Digitale Medien
    Archaeoastronomical anomalies (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 485-486 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The First Stargazers: An Introduction to the Origins of Astronomy. By James Cornell. Pp.262. ISBN US 0-684-16799-9; ISBN UK 0-485-30004-4. (Charles Scribner's Sons/ Athlone: 1981.) £7.95, $15.95. ARCHAEOASTRONOMY is a new and potentially exciting discipline. Its precise aims ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294485a0
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  • 40
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    Digitale Medien
    Guidance for the observant amateur (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 488-488 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A Complete Manual of Amateur Astronomy. By P. Clay Sherrod. Pp. 319. ISBN hbk 0-13-162115-7; ISBN pbk 0-13-162107-6. (Prentice-Hall: 1981.) Hbk $24.95, £18.70; pbk $10.95, £8.20, The Practical Astronomer. By Colin A. Ronan. Pp.153. ISBN UK 0-333-31245-7; ISBN US ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294488a0
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  • 41
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    Digitale Medien
    The chemists' Earth (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 490-491 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The Earth: Its Birth & Growth. By Minoru Ozima. Pp.117. ISBN hbk 0-521-23500-6; ISBN pbk 0-521-28005-2. (Cambridge University Press: 1981.) Hbk £10.50, $22.50; pbk £3.95, $8.95. HERE is a cautionary tale. In 1947 the research vessel Atlantis dredged some metamorphosed ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294490b0
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  • 42
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    Digitale Medien
    Entry to the history and philosophy of science and medicine (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 493-493 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Dictionary of the History of Science. Edited by W.F. Bynum, E. J. Browne and Roy Porter. Pp.496. ISBN UK 0-333-29316-9; ISBN US 0-691-08287-1. (Mac-millan Reference Books, London/Prince-ton University Press: 1981.) £17.50, $40. THE lexicographer is, according to a high authority, a ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294493a0
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  • 43
    Digitale Medien
    Digitale Medien
    Britain in leaf (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 495-496 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A SINGLE volume on trees cannot, unlike one on birds, extend its coverage to the Mediterranean shores without losing much of its use in British gardens. The Hamlyn Guide to Trees of Britain and Europe by C. Humphries, J.R. Press and D.A. Sutton (Hamlyn; hbk ?5.95, pbk ?3.95) is a good example. Of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294495b0
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  • 44
    Digitale Medien
    Digitale Medien
    What's that (North American) animal? (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 498-498 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The Audubon Society Field Guide to North American Mammals. By John O. Whitaker, Jr. Pp.745. ISBN 0-394-50762-2. (Knopf: 1981.) $11.95. Harper & Row's Complete Field Guide to North American Wildlife. Eastern Edition assembled by Henry Hill Collins, Jr. Pp.714. ISBN 0-690-01969-6. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294498a0
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  • 45
    Digitale Medien
    Digitale Medien
    Animal behaviour from A to W (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 501-501 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The Oxford Companion to Animal Behaviour. Edited by David McFarland. Pp.657. ISBN 0-19-866120-7. (Oxford University Press: 1981.) £17.50. To be published in the US early next year. THE 1973 Nobel Prize for Physiology and Medicine was awarded to the animal behaviourists Karl von Frisch, ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294501a0
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  • 46
    Digitale Medien
    Digitale Medien
    Academic cat and mouse (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 296-296 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The proposition that higher education is too important to be left to educationists would be widely accepted. But can the future of British higher education safely be entrusted to Sir Keith Joseph, the present Secretary of State for Education and Science? In a debate last week in the House of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294296a0
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  • 47
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    Digitale Medien
    Mitterrand embraces information policy (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 297-298 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] M. Fran?ois Mitterrand, President of France, is wasting no time responding to the "information shock" ? the complex of issues surrounding microelectronics and unemployment. In June, Mitterrand asked the publisher Jean-Jacques Servan-Schreiber (who had written a book on the subject) to gather a few ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294297b0
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  • 48
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    Digitale Medien
    Diablo canyon reactor: Licence revoked (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 299-299 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Washington The US nuclear industry has come in for an unexpected roasting from the new chair-man of the Nuclear Regulatory Commission (NRC), Dr Nunzio Palladino. His criticism of its quality control was made before a congressional committee on the same day that the NRC voted to revoke a licence ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294299b0
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  • 49
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    Digitale Medien
    Uranium enrichment: US–India stand-off (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 299-300 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] New Delhi India is trying to become self-sufficient in the production of fuel for its nuclear power plants following its bitter experience with the United States over the supply of low enriched uranium for the Tarapur plant in Maharashtra state. The latest round of discussions between Indian and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294299c0
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  • 50
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    Digitale Medien
    US solar energy: Golden housing (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 301-301 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Washington Denying charges that the Reagan Administration is ideologically biased against solar energy in favour of nuclear, US Energy Secretary Mr James Edwards last week announced the go-ahead for the Solar Energy Research Institute (SERI) in Golden, Colorado, to start building a permanent ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294301b0
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  • 51
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    Digitale Medien
    Malaria debated (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 302-388 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR I have read the paper by Chapin and Wasserstrom (Nature 17 September, p. 181) with interest. I am disappointed with the presentation and discussion of the important subject of malaria resurgence and its relationship to agricultural production. The authors give a garbled account of the very ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294302c0
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  • 52
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    Digitale Medien
    Exploration of the upper atmosphere and ionosphere of Mars (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 311-312 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] STRATEGIES for the exploration of the Solar System and its individual planets have been prepared by a number of different committees and boards. In recent years, the major factor restraining the pursuit of such plans has not been lack of suitable technology but of money or, more specifically, the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294311a0
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  • 53
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    Digitale Medien
    Fission track dating of zeolites (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 347-350 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fleischer etal.13 have previously reported the general etching conditions for zeolites. We have particularly investigated the effect of NaOH and KOH on chabazites. Homogeneous, inclusion-free chabazite crystals were annealed at 540 C for 2 h to erase all spontaneous tracks, mounted in epoxy resin ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294347a0
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    Digitale Medien
    Protein phosphatase-1 is involved in Xenopus oocyte maturation (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 358-359 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Phosphoinhibitor-1 was injected into Xenopus oocytes to a final concentration of 15 ?. Microinjected oocytes maintained in saline remained morphologically healthy and resumption of meiosis never occurred. When exposed to 1 ? progesterone 4 h after microinjection of inhibitor-1, they matured with ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294358a0
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    Digitale Medien
    High species diversity and abundance of the epibenthic community in an oxygen-deficient basin (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 354-356 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The glacier-carved fjords of British Columbia are narrow and deep and frequently have restricted water circulation; the vertical sides provide sediment-free surfaces for the settlement of pibenthic organisms. Saanich Inlet, on Vancouver Island, is such a fjord, and has a maximum depth of 220 m. For ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294354a0
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    Digitale Medien
    Opposing roles for D-1 and D-2 dopamine receptors in efflux of cyclic AMP from rat neostriatum (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 366-368 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Previous investigations of the dopaminergic regulation of neostriatal cyclic AMP formation have determined either adenylate cyclase activity of tissue homogenates2 or cyclic AMP content of tissue slices15. However, we have used as a biochemical sign of dopamine receptor stimulation the dopaminergic ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294366a0
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    Digitale Medien
    Variant insertion element IS 1 generates 8-base pair duplications of the target sequence (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 374-376 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] We have characterized four pBR325 derivatives carrying ISI, all of which resulted from segregation of cointegrates between pBR325 and plasmid PI, which contains an ISI element11'13 (Fig. 1). The sites of insertion and the orientation of the ISI in these different derivatives have been described ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294374a0
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    Digitale Medien
    Molecular stickiness and its consequences (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 384-384 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE past year has seen the publication of several quite advanced and thought-provoking texts in physical biochemistry Spragg's The Physical Behaviour of Macromolecules with Biological Functions, Cantor and Schimmel's multivolume Biophysical Chemistry and Richards's more physically-inclined ...
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    URL: http://dx.doi.org/10.1038/294384a0
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    Digitale Medien
    A reply — (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 388-388 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR We are sorry that Professor Bruce-Chwatt disagrees so radically with our interpretation of the facts surrounding malaria resurgence in India. In our own defence, however, we would suggest that the military conflict with Pakistan, the sharp fall in the flow of American aid, the temporary food ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294388b0
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  • 60
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    Digitale Medien
    US plans help for nuclear industry (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 199-200 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Washington The Reagan Administration has offered the US nuclear industry all of the moral and some of the economic support that it wants. But even this may not be enough to restore the industry to health according to the parting words of the Nuclear Safety Oversight Commission (NSOC), an ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294199a0
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  • 61
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    Digitale Medien
    More muddle about nuclear weapons (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 197-198 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The government of the United Spates lacks a way with words. So much is clear from the declarations of President Reagan and his Secretaries of State and of Defense in the past few weeks about the likely course of nuclear war in Europe. All three members of the Administration have let slip statements ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294197a0
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  • 62
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    Digitale Medien
    European Science Foundation: Signs of solidity (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 201-202 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Strasbourg The European Science Foundation (ESF) Europe's fledgling international academy appears to have come of age. Last week the foundation, representing 47 research councils in 18 countries, made its first direct approach to governments with a letter to research ministers requesting them to ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294201b0
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  • 63
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    Digitale Medien
    Agricultural research: Changes mooted (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 203-203 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Washington 4 * Reach out and touch somebody", the slogan being used in the United States to promote the use of long-distance telephone calls, has also become a newly-prominent policy theme for the thirteen agricultural research institutions which constitute the Consultative Group for ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294203a0
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  • 64
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    Digitale Medien
    Cancer monoclonals (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 204-204 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR The use of monoclonal antibodies in the treatment of cancer is at present being assessed and there is a section of the biomédical community, both scientific and administrative, that believes empirical clinical trials of monoclonal antibodies and toxin-antibody conjugates should be ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294204c0
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  • 65
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    Digitale Medien
    Hexose transport in hybrids between malignant and normal cells (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 232-235 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The kinetic parameters of hexose uptake were measured in matched pairs of hybrids between malignant and normal cells. Each pair consisted of a hybrid in which malignancy was initially suppressed and a segregant tumour derived from it. Comparisons were also made between tumour cells and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294232a0
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  • 66
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    Digitale Medien
    Fractal dimensions of landscapes and other environmental data (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 240-242 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Table 1 Estimated D values for various environmental series Location Property Lag D as lag-* 0 D at max. slope Ref. Wales Soil sodium content 15.2m 1.7-1.9* _ 7 stone content 15.2m 1.1-1.8* 7 (both over four directions) England Soil thickness of cover loam 20m 1.6* 7 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294240a0
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  • 67
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    Digitale Medien
    Upper Cretaceous to Eocene pelagic limestones of the Scaglia Rossa are not Miocene turbidites (reply) (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 248-248 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A reply I thank Alvarez and Lowrie for their comments on my paper on the Scaglia Rossa1. However, I found their comments scientifically unsatisfactory for at least two reasons. First, although my work was published two years ago they present no new observed facts. Rather they seem to have adopted ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294248a0
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  • 68
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    Digitale Medien
    Bacillus anthracis on Gruinard Island (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 254-255 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The whole island was marked out with a grid system (Fig. 1), soil core samples being taken at each marker by pushing a hollow tube (350 mm long x 25 mm internal diameter) into the ground to a maximum depth of 300 mm. In the area close to the side of the gantry, 10 closely grouped cores were taken ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294254a0
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  • 69
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    Digitale Medien
    Reactor-released radionuclides in Susquehanna River sediments (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 242-245 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] During the past 14 yr, five nuclear power reactors have operated for varying lengths of time at two sites on the Susquehanna River (Fig. 1). The first reactor, PB 1, was a 40-MW, gas-cooled reactor and operated from March 1966 to October 1974. Three others, PB units 2 and 3 (boiling-water ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294242a0
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  • 70
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    Digitale Medien
    Isolation of I–A subregion-like molecules from subhuman primates and man (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 266-268 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Monoclonal antibodies to cell surface molecules were produced by immunizing BALB/c mice with a mixture of the cell lines GM3107, GM3158 and GM3163 (obtained from the Human Mutant Cell Repository, Camden, New Jersey) and fusing the immune splenocytes with SP2/O-Ag cells. After appropriate screening ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294266a0
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  • 71
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    Digitale Medien
    Streptozotocin and alloxan induce DNA strand breaks and poly(ADP–ribose) synthetase in pancreatic islets (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 284-286 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Islets isolated from rat pancreas were incubated with Streptozotocin or alloxan for 5-20 min in Krebs-Ringer's bicarbonate medium and velocity sedimentation of DNA from the islet cells was carried out in an alkaline sucrose gradient. DNA from islets incubated for 10 min without the diabetogenic ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294284a0
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  • 72
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    Digitale Medien
    Intramolecular flexibility in phenylalanine transfer RNA (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 286-287 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The molecule is modelled on a computer by specifying the coordinates of all the atoms as determined crystallographically, the molecular topology (which atoms are bonded to each other) and a set of empirical energy functions6'7 for all the bond lengths, bond angles, dihedral angles, nonbonded ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294286a0
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  • 73
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    Digitale Medien
    Nuclear Structure Facility: Nylon slip shows (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 104-104 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Water in the nylon insulating links of the charging system of the Nuclear Structure Facility, a 30 million volt tandem Van de Graaff accelerator for nuclear physicists under construction in the United Kindom at Daresbury Laboratory in Cheshire, is now blamed for delays which will put the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294104a0
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  • 74
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    Digitale Medien
    Caltech: Kellogg birthday (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 104-105 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Pasadena The Kellogg Radiation Laboratory at the California Institute of Technology combined its celebrations of its fiftieth anniversary last week with the dedication of a new custom built Megavolt accelerator and a seventieth birthday party for Professor William Fowler, the third director of the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294104b0
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  • 75
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    Digitale Medien
    A new era in mammalian gene mapping: somatic cell genetics and recombinant DNA methodologies (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 115-120 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Mammalian gene mapping techniques are now sufficiently advanced to contribute significantly to prenatal diagnosis and to human molecular genetics. Restriction fragment mapping can be used to place polymorphic genetic markers at random sites within the genome, and these sites used to assign genes ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294115a0
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  • 76
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    Digitale Medien
    99 Years ago (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 114-114 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE PROJECT PRAXINOSCOPE M. Gaston Tissandier describes in La Nature an ingenious adaptation of the praxinoscope by means of which the images are projected on a screen, and are visible to a large assembly. M. Reynaud, the inventor obtains at once the projection of the scene or background - by the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294114b0
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  • 77
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    Digitale Medien
    Subduction of the Cocos plate in the Mid America Trench (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 146-150 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Leg 67 (refs 3,4), in the southern section seems to include the first occasion that a drill-hole in an oceanic trench reached the oceanic basement. The sharp contrast between the Upper Cretaceous sequence at the base of the continental slope and the subducting Lower Miocene Cocos plate beneath it ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294146a0
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  • 78
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    Digitale Medien
    Shallowing-upward cycles in the Middle Proterozoic Altyn Formation (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 157-158 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The Altyn Formation is exposed in the eastern part of Glacier National Park, Montana. The age of the formation may be estimated from geochronological data available for equivalent stratigraphic units. The Aldridge Formation of British Columbia has granodiorite intrusives which are at least 1,335 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294157a0
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  • 79
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    Digitale Medien
    Long-term human T-helper lines producing specific helper factor reactive to influenza virus (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 166-168 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Table 1 Cell membrane phenotype of F7 T-cell line Marker % Of positive cells Day 40 Day 150 UCHT1 93 98 OKT1 ND 98 Leu2a 0 3 Leu3a 83 82 HLA-t〉R 72 40 OKM1 ND 2 BA-1 ND 2 sig 0 0 E rosettes ND 〉99 Human peripheral blood ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294166a0
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  • 80
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    Digitale Medien
    Assignment of the genes for human λ immunoglobulin chains to chromosome 22 (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 173-175 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] We fused hypoxanthine phosphoribosyltransferase (HPRT)-deficient P3x63Ag8 mouse myeloma cells3 with either peripheral blood lymphocytes or different human lymphoblastoid cells (GM1056 that secretes IgA 〈*2, A; GM923 that secretes IgA al, A)4 to map the chromosomal location of the human ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294173a0
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  • 81
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    Digitale Medien
    Radiation-induced base substitution mutagenesis in single-stranded DNA phage M13 (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 180-182 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] We used single-stranded DNA phage Ml 3 to study independently the effects of target DNA irradiation and the consequences of induction of the SOS repair system. M13 is particularly useful in such an investigation because (1) mutagenesis of single-stranded DNA phages by UV and y irradiation is ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294180a0
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  • 82
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    Digitale Medien
    Wild-type tRNA Tyr G reads the TMV RNA stop codon, but Q base-modified tRNA Tyr Q does not (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 188-190 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] As an assay system for readthrough, we have used simultaneous injection of TMV RNA and amber or ochre suppressor tRN As from yeast into Xenopus oocytes; this results in synthesis of the 110K and 160K proteins2. In the process of screening RPC-5 fractionated Drosophila melanogaster tRN As (21 ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294188a0
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  • 83
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    Digitale Medien
    Crucial colonization (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 194-195 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The earliest known tetrapods are the ichthyostegid amphibians, now known from Late Devonian rocks in both Greenland and Australia. From this beginning sprang a variety of larger "labyrinthodont" amphibians, apparently ancestral to the reptiles, as well as the smaller "lepospondyl" amphibians. The ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294194b0
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  • 84
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    Digitale Medien
    What Mr Blix should do (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 1-1 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The International Atomic Energy Agency in Vienna has plainly been scarred by the events of the past year, the Israeli raids on the Iraqi reactor at Tamuz among them. But for most of the year the agency has also been haunted by the unaccustomed difficulty of deciding who should be its new director ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294001a0
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    Digitale Medien
    Top men resign in CNRS crisis (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 3-3 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The two heads of the largest research agency in France ? the Centre National de la Recherche Scientifique (CNRS) ? fell last week in a self-delivered coup de grace. On Wednesday, M. Jacques Ducuing, the director-general of CNRS, handed in his resignation to the minister for research and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294003b0
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    Digitale Medien
    SERC director looks to the future (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 6-6 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Britain must collaborate with its European neighbours if it is to have a stake in building major new research facilities in the future, according to Professor John Kingman who succeeded Sir Geoffrey Allen as chairman of the Science and Engineering Research Council (SERC) on 1 October. Precisely how ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294006a0
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  • 87
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    Digitale Medien
    Brazilian funds (reply) (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 8-8 
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    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] MAURICE BAZIN REPLIES - When considering whether Brazil's research spending has kept pace with inflation it should be remembered that inflation in Brazil was over 80 per cent in 1980 and is now around 110 per ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294008b0
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  • 88
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    Digitale Medien
    Brazilian funds (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 8-8 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR ? I would like to correct some of the statements made by Mr Bazin in his article "Brazilian research funds: Sliding backwards" (Nature 6 August, p.489). First, the Brazilian government has a clear and explicit policy statement regarding science and technology. This was published in the form of ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294008a0
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  • 89
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    Digitale Medien
    Integration of foreign genes into the mammalian germ line: genetic engineering enters a new era (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 9-10 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE appfication of recombinant DNA technology to mammalian cells is gradually yielding a rich harvest of cloned chromosomal fragments containing specific genes and their flanking sequences. Some of these cloned DNAs have been reintroduced into tissue culture cells where in many cases they are ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294009a0
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  • 90
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    Digitale Medien
    A particularly anomalous Seyfert galaxy (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 13-13 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SEYFERT GALAXIES and their quasar cousins have provided* much observa-tional mash for the vats of theoretical speculation over the years since their discovery. A recent article by T. Heckman and B. Balick1 has thrown an especially juicy bucketful into this already potent brew. Ordinarily, what ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294013a0
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  • 91
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    Digitale Medien
    Education in science, science in education (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 35-36 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Science in Schools: Which Way Now? By Richard Ingle and Arthur Jennings. Pp.185. ISBN pbk 0-85473-100-8. (University of London Institute of Education/NFER-Nelson: 1981.) £5.30. THE authors of this book give an account of what has been happening in science education in the UK and of what, in ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294035a0
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  • 92
    Digitale Medien
    Digitale Medien
    Fighting for the conservation of tigers (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 42-42 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Saving the Tiger. By Guy Mountfort. Pp.123. ISBN US 0-670-61999-X; ISBN UK 0-7181-1991-6. (Viking/Michael Joseph: 1981.) $16.95, £7.95. THE tiger is a slim, dramatic animal, and it now has a book to match it. The numerous, large and well-printed colour plates are spectacular and ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294042a0
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  • 93
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    Digitale Medien
    Battle over bacteria (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 37-38 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The Fischer-Smith Controversy: Are There Bacterial Diseases of Plants? Phytopathological Classic No. 13. Translated and prepared by C. Lee Campbell. Pp.65. ISBN 0-89054-014-4. (American Phytopathological Society, 3340 Pilot Knob Rd, St Paul, Minnesota: 1981.) $8.50. PROBABLY few plant ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294037b0
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  • 94
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    Digitale Medien
    [Autumn Books Supplement ‘Picture Story’] (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 41-41 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Tsintaosaurus spinorhinus, drawn from the mounted specimen in the Museum of the Institute of Vertebrate Palaeontology and Palaeoanthropology in Peking by Jenny Halstead. The illustration (the original is in colour) is taken from Dinosaurs by L.B. and Jenny Halstead, a book for the general reader ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294041b0
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  • 95
    Digitale Medien
    Digitale Medien
    Sinian microfossils from south-west China (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 74-76 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The rock samples in which the microfossils were found were collected from the middle member of the Dengying Formation and from the lower member of the Meishucun Formation of the Sinian 'system' the Wangjiawan and Meishucun sections (Fig. 1). The carbonaceous rocks of the upper member of the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294074a0
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  • 96
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    Digitale Medien
    Effects of dexamethasone and cortisone with X-ray irradiation on transformation of C3H 10T1/2 cells (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 97-98 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] We used a cell line4'5 derived from C3H mouse embryos (lOT, clone 8) adapted for studies of radiation transformation6'9. For the transformation assays, cells were exposed to either 0 or 400 rad of X rays, with or without 107M dexamethasone or cortisone (determined in separate experiments to be the ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/294097a0
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  • 97
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    Digitale Medien
    Monkey business hits university laboratory (1981)
    [s.l.] : Nature Publishing Group
    Nature 293 (1981), S. 691-691 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] One of Britain's largest and best laboratory breeding colonies of rhesus monkeys is finally to be disbanded despite the fact that it has not been possible to import the animals from their usual source for the past three years. About half the monkeys are likely to find homes elsewhere but the other ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/293691b0
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  • 98
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    Digitale Medien
    Indian satellites: November launch (1981)
    [s.l.] : Nature Publishing Group
    Nature 293 (1981), S. 693-693 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] New Delhi India is hoping to launch its second Earth observation satellite, Bhaskara II, some time in November before it takes a major step in space communication technology when Indian National Satellite IA (INS AT I A) is launched in April 1982. Bhaskara II, an improved version of Bhaskara I, is ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/293693a0
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  • 99
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    Digitale Medien
    Sun–comet collision: Extreme conditions (1981)
    [s.l.] : Nature Publishing Group
    Nature 293 (1981), S. 693-693 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The first ever recorded collision between a comet and the Sun was detected by a US Air Force satellite in mid-1979, the Department of Defense has revealed. The news has only just emerged because the satellite experiments had been given low priority, and the data tapes have only just been analysed. ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/293693b0
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  • 100
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    Digitale Medien
    Greek politics: Cultured science (1981)
    [s.l.] : Nature Publishing Group
    Nature 293 (1981), S. 694-694 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The success of the new socialist government in Greece under Mr Andreas Papandreou seemed to have introduced a touch of rare glamour to science politics: the actress Melina Mercouri was to have been Minister for Culture and Science. Unfortunately the "science" in her title is merely a tag, and Miss ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/293694a0
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