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  • Articles  (3,469)
  • Nature Publishing Group  (3,469)
  • 1980-1984  (3,469)
  • 1981  (3,469)
  • 1
    Electronic Resource
    Electronic Resource
    Not a revolution, more a Trojan horse (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 503-503 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the nineteenth century, when the British government felt threatened from abroad, the natural response was to build a few more battleships, Now, when most threats are economic rather than strategic, the temptation is to carry through yet another reorganization of the administration of science and ...
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    URL: http://dx.doi.org/10.1038/294503a0
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  • 2
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    Psychological slip (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 510-510 
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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] SIR Reviewing H.B. Gibson's biography of Hans Eysenck (Nature 5 November, p.44) P.E. Bryant writes: "He (Eysenck), more than anyone, shaped the development of clinical psychology in this country". This statement may be misleading to a readership as diverse as Nature's. In this context the term ...
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    URL: http://dx.doi.org/10.1038/294510a0
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  • 3
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    Has corticotropin–releasing factor finally been found? (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 511-512 
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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 precise mechanism of the neural control of the pituitary-adrenocortical system has been the holy grail of neuroendocrinologists for the major part of this century, and it is small wonder that the recent paper in Science1 by Wylie Vale, Joachim Speiss and Catherine and Jean Rivier (and see also ...
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    URL: http://dx.doi.org/10.1038/294511a0
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  • 4
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    New pathways for chlorinated dioxins (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 514-515 
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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] UNTIL recently many would have argued that 2,3,7,8-tetrachlorodibenzo-/7-dioxin (TCDD) a toxic contaminant produced in the manufacture of 2,4,5-trichloro-phenol was not metabolized in animals. The chemical seemed to require no metabolic activation to make it more toxic and did not appear to be ...
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    URL: http://dx.doi.org/10.1038/294514a0
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  • 5
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    Clues for the origin of cosmic rays (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 518-519 
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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] 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 ...
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    URL: http://dx.doi.org/10.1038/294518a0
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  • 6
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    No evidence of rings around Neptune (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 526-529 
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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] Observations of two stellar occultations by Neptune were used to search for possible equatorial and polar rings. No ring occultation events were identified, and an upper limit of 0.07 can be placed on the optical depth of any equatorial rings greater than 5 km wide with radii greater than 31,400 ...
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  • 7
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    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
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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  • 8
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    Spin directions of interfering beams in quantum interferometry (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 544-546 
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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] In interferometry experiments with non-zero spin particles interesting effects arise due to the wave function (or probability amplitude) of the interfering beams being nonscalar. One effect concerns the sign change of a spinor wave function under 27T-rotations1'2. This was verified by neutron ...
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  • 9
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    Stress does not alter the conformation of a domain of the myosin cross-bridge in rigor muscle fibres (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 570-571 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The heads of the myosin molecule form bridges between the myosin and actin filaments. During contraction several changes in the conformation of these cross-bridges are thought to occur, including the stretching of an elastic element and a change in the configuration of some force-generating element ...
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  • 10
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    Identification of the Escherichia coli recB and recC gene products (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 578-580 
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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] Mutations in either the recB or recC genes lead to apparently identical deficiency in genetic recombination, increased radiation sensitivity and decreased post-irradiation DNA degradation1'2. The recB and recC mutations cannot be distinguished phenotypically but have been assigned to different ...
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    URL: http://dx.doi.org/10.1038/294578a0
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  • 11
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    Pulmonary vein as an ectopic focus in digitalis-induced arrhythmia (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 582-584 
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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 recording arrangements in these experiments were similar to those reported previously5. Using male guinea pigs (300-400 g), intracellular recordings were made with glass micropipettes filled with 3 M KC1. All recordings were made at the distal end of the cardiac PV and the dorsal surface of the ...
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  • 12
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    Soviet universities: Research needed (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 392-393 
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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 Soviet Union must invest more in university science, according to Academician Ivan F. Obraztsov, Minister of Higher and Secondary Specialized Education of the Russian Republic. Writing in Pravda, he claimed that unless academic research is given priority, it will be difficult to train "good ...
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    URL: http://dx.doi.org/10.1038/294392b0
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  • 13
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    Clean air legislation: Forces massing (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 393-393 
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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] Washington Indecision within the Reagan Adminis-tration about how to reform the Clean Air Act is playing directly into the hands of environmentalist groups and their congres-sional supporters who feel that the act should be strengthened rather than weakened. It is also upsetting industry groups ...
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    URL: http://dx.doi.org/10.1038/294393b0
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  • 14
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    Theory of evolution: Huxley speaks up (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 395-395 
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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] Sir Andrew Huxley, his grandfather's grandson, startled the Anniversary Meeting of the Royal Society this week with a stout defence of the theory of evolution. Traditionally, presidents have used these occasions for making gentle complaints about the British government's handling of science and ...
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  • 15
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    University problems (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 395-395 
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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] Among the points in the secular part of Sir Andrew Huxley's anniversary address on Monday were the following: The dual support system for academic research, "a shadow of what it used to be", is in danger of being totally obliterated. Although the British government had agreed in its expenditure ...
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  • 16
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    Open relations (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 396-396 
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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] SIR Your article about the agreement between this hospital and the international chemical company Hoechst AG (Nature 5 November, p.5) states that the Government Accounting Office forced open the contract heretofore kept from Congressman Albert Gore. In fact, Massachusetts General Hospital gave the ...
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  • 17
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    Leave links open (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 396-396 
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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] SIR Dorothy Hirsch, Executive Director of the Committee for Concerned Scientists, ended her eloquent letter (Nature 13 August, p.578) about the plight of Soviet scientists with the charge to us that "We cannot afford to become hardened to the plight of oppressed colleagues who have much to ...
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  • 18
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    Commercial rocketry: One for Ariane (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 394-394 
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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] Ariane, the European satellite launcher, has at last won a commercial place in the United States market. Last week, Arianespace, the French-based company which manages commercial exploitation of the European rocket, signed a firm $50 million contract with the US General Telephone & ...
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  • 19
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    Asian ecology: Loss of balance (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 394-394 
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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] 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 ...
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  • 20
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    Harsh sentence for Paritskii (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 394-394 
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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 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 ...
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  • 21
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    Hoyle on life (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 396-396 
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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] SIR Surely there is some mistake in your summary of Hoyle's contention that the Universe has not been here long enough to permit the evolution of life forms of the complexity found on this planet (Nature 12 November, p. 105). It is true that the probability of chance assembly of the system of ...
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  • 22
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    Life out there (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 396-396 
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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] SIR It was interesting to read in juxtaposition Dr Zuckerman's review of the extraterrestrial issue and Professor O'Neill's review of Rood and Trefill's new book on the same subject (Nature 5 November, pp.10, 25). One is struck again by the fascination not to say fixation that earlier and "young ...
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  • 23
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    T lymphocytes: repertoire and recognition (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 399-400 
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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] 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 ...
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  • 24
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    Receptors, channels and whole-body NMR in Mexico (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 400-402 
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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 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 ...
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  • 25
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    Atmospheric concentration of ammonia in Massachusetts and deposition on vegetation (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 445-446 
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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] 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 ...
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  • 26
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    Evidence for expression of the paternal genome in the two-cell mouse embryo (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 450-451 
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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] SWR/J superovulated female mice carrying the /32/rca allele were mated to C57BL/6 males carrying the /32ra6 allele, and standard procedures were used to obtain fertilized eggs and preimplantation mouse embryos. Embryos from the reciprocal mating (C57BL/69xSWR/H) were also collected. The embryos ...
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  • 27
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    Satellite measurements of H 2 O fluorescence in the mesosphere (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 431-432 
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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] 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 ...
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  • 28
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    Soft X-ray imaging with a normal incidence mirror (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 429-431 
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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] Until now, designers of X-ray optical instruments such as telescopes and microscopes have been forced to use mirrors operating at small glancing angles 0 (6 = angle of incidence measured from the surface tangent)3'4. This is because the refractive index n = 1 - S of all materials is close to unity ...
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  • 29
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    A sterile defender morph in a polyembryonic hymenopterous parasite (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 446-447 
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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 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 ...
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  • 30
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    Regulation of epithelial tight junction permeability by cyclic AMP (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 451-453 
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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] 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 ...
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  • 31
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    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 
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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] 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 ...
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  • 32
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    Multiple conductance states of single acetylcholine receptor channels in embryonic muscle cells (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 462-464 
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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] 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 ...
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  • 33
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    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 
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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] 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 ...
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  • 34
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    Multiple tubulin forms are expressed by a single neurone (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 477-480 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Archaeoastronomical anomalies (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 485-486 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Guidance for the observant amateur (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 488-488 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    The chemists' Earth (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 490-491 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Entry to the history and philosophy of science and medicine (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 493-493 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Britain in leaf (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 495-496 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    What's that (North American) animal? (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 498-498 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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. ...
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    Animal behaviour from A to W (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 501-501 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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, ...
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    Academic cat and mouse (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 296-296 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Sm–Nd age of Kambalda and Kanowna greenstones and heterogeneity in the Archaean mantle (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 322-327 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A precise Sm–Nd age of 2,790±30 Myr and an initial ratio corresponding to ϵNd = +3.4±0.6 has been determined for the Kambalda sequence from the eastern Yilgarn Block of Western Australia. The high initial 143Nd/144Nd implies a ...
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    Volcanism on Mars (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 305-307 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SINGLE volcanic eruptions, such as the awesome Mount St Helens event, and the frequent spectacular basaltic eruptions on Hawaii, serve to focus our attention on active volcanic processes. Instructive as these local events are, we should not lose sight of the basic reasons why the study of planetary ...
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    The role of gene dosage and genetic transpositions in carcinogenesis (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 313-318 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Analysis of chromosome translocations associated with B-cell derived tumours and studies of chromosome-15 trisomy in murine leukaemia support the theory, emerging from recent work on tumour viruses, that cancer can be associated with DNA rearrangements which result in the increased expression of ...
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    Comb-layering in carbonatite dykes (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 350-352 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The term 'comb-layering' has been applied to textures in magmatic rocks characterized by layers of elongate, parallel and branching crystals with preferential orientation perpendicular to the plane of layering3. It is mostly feldspars, pyroxenes, olivine and amphibole that form the elongate ...
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    Absorption of γ rays in active galaxies as a test of the jet hypothesis (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 332-333 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The relevance of photon-photon absorption to specific astronomical sources has been discussed by several authors7"9. Following their formalism, a photon of energy Ex may collide with a photon of energy Ey and produce an electron-positron pair provided that Ex Ey 〉(1) where me2 =^0.511 MeV is ...
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    Crystal structure of a synthetic high silica zeolite—ZSM-39 (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 340-342 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The analogy between hydrogen bonds linking oxygens in clathrates and oxygens linking T-atoms in aluminosilicate framework structures is well known. Hexagonal ice I and ice Ic are isostructural with 0-tridymite and 0-cristobalite respectively1, HPF6 6H2O and (CH3)4N(OH) 5H2O are isostructural with ...
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    Biologically damaging radiation amplified by ozone depletions (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 352-354 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In theoretical investigations of the problem using one-dimensional numerical models, the most probable value calculated for the eventual steady-state ozone depletion due to continued release of F-ll and F-12 at the 1977 level is 5-10%. New values of some of the chemical rate coefficients, such as ...
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    Perivascular infiltrates of leukocytes in brains of scrapie-infected mice (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 360-361 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Perivascular cuffs have occasionally been found in brains of patients with Kuru1'2, but there are conflicting data on scrapie. Perivascular cuffs have been reported to be absent from8 histological sections of brains from scrapie-diseased animals, but present in intracerebrally (i.e.) injected ...
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    Single channel potassium currents of the anomalous rectifier (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 368-371 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Tunicate egg cells were voltage-clamped with two micro-electrodes as described previously9. The bath saline contained 200 mM NaCl, 360 mM choline chloride and 10 mM MnCl2, pH 7.0, and was maintained at 13.5-15.5 C. A clean membrane surface was obtained by enzymatic digestion of the chorion. Patch ...
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    Promoters in the E. coli replication origin (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 376-378 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Several complementary techniques were used to identify promoters likely to be involved in the initiation of replication. First we surveyed for promoters by mapping RNA polymerase binding sites present on pCM959 using electron microscopy. Three RNA polymerase binding sites, at nucleotide positions ...
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    On chemical war (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 204-204 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR As noted by David Dickson (Nature 1 October, p.327) and Philip Campbell (Nature 22 October, p.598) the last few months have seen a potentially dangerous escalation in chemical warfare. This escalation was symbolized by the Reagan Administration's decision in February to build a new nerve gas ...
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    Potential reference (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 384-384 
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    Notes: [Auszug] THE four contributors to this work have clearly striven to produce a definitive reference text on the title-subject. The authors pay due respect to the classic treatise of J.O. Hirschfelder, C.F. Curtiss and R.B. Bird (Molecular Theory of Gases and Liquids\ Wiley, 1954) but, rightly, also point out ...
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    UK medical research: To those that hath … (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 201-201 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] British university departments asking the Medical Research Council (MRC) for research grants will now need an assurance of financial support from their universities. MRC's chief concern is that universities, in adjusting to their own reduced budgets, may starve individual departments of funds, with ...
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    Room for Anon (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 204-204 
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    Notes: [Auszug] SIR I see that you have again used the word "culprit" in connection with users of the pseudonym Isadore Nabi (Nature 29 October, p.696). Although I refrained before, I would now like to express my conviction that the use of a pen-name, in publishing a work of literature or science, is not of ...
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    … and ice cores (1981)
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    Nature 294 (1981), S. 211-212 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SINCE THE 1960s, when it was recognized that a chronological history of the composition of the atmosphere is contained in the Antarctic ice sheets, ice drilling has featured strongly in most national programmes. Analysis of ice cores is now making it possible to reconstruct variations in past ...
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    Geomechanics in the laboratory (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 213-214 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE increasing use of the ground beneath us, whether in mining activities, underground construction or in the disposal of toxic wastes, requires, as does an understanding of earthquakes, a much deeper knowledge of the behaviour and properties of rocks than has sufficed in the past. To understand ...
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    Soluble factor activation of human B lymphocytes (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 261-263 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Human interleukin 1 was purified from mononuclear cell-conditioned media by diafiltration, ultrafiltration and isoelectric focusing (pH 6.8-7.2)11. This material was co-mitogenic for human thymocytes and human T cells at a concentration 〈1 ng per 25 JJL! and could not support the continuous ...
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    Innermost parts of accretion disks are thermally and secularly stable (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 235-236 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It is generally believed that the inner regions of standard, thin accretion disks are both thermally and secularly (L-E) unstable. This is because the most important stability condition, dln(T din// (D is not satisfied by any one of the possible relevant cooling mechanisms (Q) when the ...
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    Carrier-dependent and carrier-independent transport of anti-cancer alkylating agents (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 281-283 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An assay which uses the mitogen phytohaemagglutinin (PHA) to induce proliferation in tissue culture of human peripheral T lymphocytes7"9 was developed for these experiments10. It can be seen (Fig. 1) that 3H-thymidine uptake was very low before PHA stimulation but increased steadily (as measured by ...
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    Importance of cardiac cell membranes in vanadate-induced NADH oxidation (reply) (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 288-288 
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    Notes: [Auszug] VYSKOCIL ET AL. REPLY-The following remarks are pertinent to the discrepancies between our experimental data1 and those of Erdmann et al.2. First, the preparation of the vanadate solutions may well have caused some of the differences. In previous papers2, Erdmann et al. did not describe the ...
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    Spleen colony-forming cell as common precursor of tissue mast cells and granulocytes (reply) (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 290-290 
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    Notes: [Auszug] KITAMURA AND YOKOYAMA REPLYWe have reported that the spleen colony-forming cell is a common precursor of tissue mast cells and neutro-phil granulocytes1. We used mice of two mutant genotypes in the experiment. Giant granules of bgj/bgj mice were used for identification of the origin of both tissue ...
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    Solving big problems on big computers (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 293-293 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is a pleasure, in these days of makeshift books on computing and simulation, to come across a thoroughly coherent work painstakingly prepared by recognized experts in the field. The authors address themselves to one of the three general approaches to the study of systems (liquids, galaxies, ...
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    Closure threat at FDA laboratories (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 101-101 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington The Food and Drug Administration (FDA) seems to be playing cat and mouse with the 500 members of the staff of its drug research laboratories in south-east and south-west Washington. Last month, as the Reagan Administration's budget problems became apparent, the FDA management raised the ...
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    German energy policy: The future unclear (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 102-103 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Count Otto Lambsdorff, the West German economics minister, was balanced on a precarious political tight-rope last week, when he announced the governing coalition's energy policy for the next decade. Judging by his description of the "third continuation of the energy programme'' (the second ...
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    Californian Medflies: Brief armistice (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 103-104 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sacramento, California Aerial spraying against the infestation of the Mediterranean fruit fly, now much curtailed for the duration of what Californians laughably call the winter, is likely to be resumed in earnest in the spring. But Mr Richard Rominger, director of the state Department of Food and ...
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    Good as gold (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 106-106 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR In the current debate on a gold standard the stumbling block is the fundamentally wrong premise in the quest to fix a price. It is not possible to fix a price for gold in terms of any existing currency. Far better to consider not a price but a value. Gold has a value as a medium of exchange, ...
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    40 Ar/ 39 Ar age spectra from the KBS Tuff, Koobi Fora Formation (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 120-124 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] 40Ar/39Ar age spectra on anorthoclase phenocrysts from three pumice clasts in the KBS Tuff yield nearly ideal flat patterns, providing good evidence that the samples have remained undisturbed since crystallization. The ages are concordant at 1.88±0.02 Myr, and ...
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    How cells live together (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 108-109 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE cells of a higher organism normally behave in a completely social way; it is the occasional deviant such as a cancer cell that attracts our attention. But how is cooperation between cells in a multicellular organism established? The problem is clearly seen in the cellular slime moulds, such ...
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    99 Years ago (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 114-114 
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    Notes: [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 ...
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    Strontium isotopic resolution of magma dynamics in a layered intrusion (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 155-157 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The present first detailed examination of the mechanism of isotopic variation in Kalka concentrates on the striking facies relationship between the norite and olivine gabbro zones. The norite zone (NZ) is the major component of the intrusion with a uniform clinopyroxene norite lithology reaching a ...
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    Solid-state reduction of iron in olivine—planetary and meteoritic evolution (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 142-144 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Single crystals of San Carlos olivine, Fo92, were heated under controlled oxygen fugacity, /02, to temperatures in the range 950-1,500 C and the conductivity of the samples measured . These results indicated that the time-dependent variation in electrical conductivity was associated with a change ...
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    An ‘internal” signal sequence directs secretion and processing of proinsulin in bacteria (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 176-178 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The plasmid pExlaclSO7 is a derivative of pBR3228 with a lac fragment inserted such that unique EcoRl and Hindlll sites directly follow the first eight codons of /3-galactosidase and the lac UV5 promoter. A Psf I-terminated cDNA copy of the gene for rat preproinsulin (lacking the first three ...
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    recA -independent general genetic recombination of plasmids (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 184-186 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The E. coli plasmid pVH51 is a 3.8-kilobase (kb) plasmid which codes for immunity to colicin El (ref. 11). It forms small numbers of circular oligomers by recombination in wild-type E. coli strains apparently because it lacks a genetic element required for high rates of recombination4'12. To study ...
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    What Mr Blix should do (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 1-1 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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 ...
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    Opiates and clonidine prolong calcium-dependent after-hyperpolarizations (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 162-163 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Intracellular recordings were made for more than 60 neurones in myenteric ganglia isolated from guinea pigs12. The neurones were bathed in a physiological saline solution (see Fig. 1 legend) to which morphine, clonidine or other drugs could be added. Action potentials were evoked by passing brief ...
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    Antibody directed at a surface structure inhibits cytolytic but not suppressor function of human T lymphocytes (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 168-170 
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    Notes: [Auszug] Effector function for CML resides in the subset of T lymphocytes recognized by the antibodies anti-T5 and anti-T8 (refs 3,4, 9), which are monoclonal hybridoma products of IgGl and IgG2a isotypes, respectively4'5. Elimination of the subsets of cells reactive with these antibodies by ...
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    Point mutation in the TATA box curtails expression of sea urchin H2A histone gene in vivo (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 178-180 
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    Notes: [Auszug] The scheme for construction of the chimaeric promoter was based on restriction maps and sequencing data of the conalbumin30 and the H2A histone genes7'31 (see Fig. 1 legend). This enabled us to assemble a novel gene with a chimaeric promoter which we called H2AC. The TATA- and the TAGA-H2AC genes ...
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    Where is everybody? Some new answers (1981)
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    Nature 294 (1981), S. 25-25 
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    Notes: [Auszug] Are We Alone? The Possibility of Extra-terrestrial Civilizations. By Robert T. Rood and James S. Trefil. Pp.262. ISBN 0-684-16826-X. (Charles Scribner's Sons: 1981.) $14.95. Is THE origin of life so extraordinarily improbable an event that it has occurred but once in the history of our ...
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    Nature of “Anomalous Water” (1981)
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    Nature 294 (1981), S. 28-28 
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    Notes: [Auszug] MANY experiments have corroborated the phenomenon in-volving the formation of condens?tes with anomalous proper-ties from the vapours of water and other liquids on silicate surfaces. But the nature of this phenomenon remained obscure for a long time and widely differing hypotheses were put for-ward ...
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    Selling newspapers and selling science (1981)
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    Nature 294 (1981), S. 33-34 
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    Notes: [Auszug] Reflections on Science and the Media. By June Goodfield. Pp.128. ISBN 0-87168-252-4. (American Association for the Advancement of Science: 1981.) $9. "JULES de Concourt once wrote that. . . the newspaper bore the same relationship to a book as a whore did to a decent woman". A verdict, as ...
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    Lab animals (1981)
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    Nature 294 (1981), S. 8-8 
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    Notes: [Auszug] SIR ? I was pleased to see your editorial comment "Protection for laboratory animals? " (Nature 17 September, p. 173). The Committee for the Reform of Animal Experimentation (CRAE), which is drawn from both houses of parliament and from the fields of science and medicine as well as animal welfare, ...
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    Poznan: Polish palaeohydrology presented (1981)
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    Nature 294 (1981), S. 12-13 
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    Notes: [Auszug] PALAEOHYDROLOGY is a topic which impinges upon many scientific disciplines. Physical geography, geomorphology, climatology and archaeology can all contribute to an understanding of why changes occurred in hydrological cycles in the past. Dry valleys, river palaeo-meanders, the development of ...
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    99 years ago (1981)
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    Nature 294 (1981), S. 16-16 
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    Notes: [Auszug] The Japan Gazette of August 21 contains a long and curious description of a bear festival among the Ainos. The writer, Dr. B. Scheube, is, we believe, the only European who has ever been actually present at this ceremony, the descriptions of it given by Miss Bird and other writers being derived ...
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    From the shadows, everyman's Maxwell (1981)
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    Nature 294 (1981), S. 24-24 
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    Notes: [Auszug] James Clerk Maxwell: A Biography. By Ivan Tolstoy. Pp.194. ISBN 0-86241-010-X. (Canongate, Edinburgh: 1981.) £9.95. FOR many years there hung in one of the corridors of the Electrical Laboratory at Oxford a photographic portrait of someone whom none of the staff could identify. Presumably it ...
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    The philosophy of astronomical discovery (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 22-23 
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    Notes: [Auszug] Cosmic Discovery: The Search, Scope, and Heritage of Astronomy. By Martin Harwit. Pp.334. ISBN UK 0-7108-0089-4; ISBN US 0-465-01428-3. (Harvester Press, Brighton/Basic Books, New York: 1981.) £12.95, $25. IN the blurb Sir Fred Hoyle describes Cosmic Discovery as " A remarkable book. ...
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    Jean Baptiste Rousseau revisited (1981)
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    Nature 294 (1981), S. 30-32 
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    Notes: [Auszug] The Double-Edged Helix: Science in the Real World. By Liebe F. Cavalieri. Pp. 196. ISBN 0-231 -05306-1. (Columbia University Press: 1981.) $14.95, £10.80. THE latter-day metamorphosis of molec-ular biology from the esoteric speciality of a small band of aficionados into an academic ...
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    Volcanic components in pelitic sediments (1981)
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    Nature 294 (1981), S. 72-74 
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    Notes: [Auszug] It has been shown 810 that Cretaceous marine sediments from the Western Interior of North America are primarily composed of random I/S11. In some areas, the clay mineral assemblages of these sediments have been converted to ordered I/S8'9 and illite by low-grade metamorphism. Unpublished X-ray ...
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    Enkephalin as a transmitter for presynaptic inhibition in sympathetic ganglia (1981)
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    Nature 294 (1981), S. 80-82 
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    Notes: [Auszug] Experiments were carried out on the inferior mesenteric ganglia isolated from adult guinea pigs. The ganglion was placed in a bath and perfused with modified Tyrode solution at 36 C. Intracellular recordings were made from ganglion cells as described previously5'8. Test stimuli were given to a ...
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    Mouse IgG3 antibodies are highly protective against infection with Streptococcus pneumoniae (1981)
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    Nature 294 (1981), S. 88-90 
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    Notes: [Auszug] Previously we have demonstrated that hybridoma IgM anti-PC antibody can protect mice from infection with type 3 Streptococcus pneumoniae1 strain WU2. Other data (rf. 8 and J. B. Robbins, personal communication) indicate that hybridoma anti-PC antibody can also protect against pneumococcal types 1, ...
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    Effects of dexamethasone and cortisone with X-ray irradiation on transformation of C3H 10T1/2 cells (1981)
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    Nature 294 (1981), S. 97-98 
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    Notes: [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 ...
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    Monkey business hits university laboratory (1981)
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    Nature 293 (1981), S. 691-691 
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    Notes: [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 ...
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    Indian satellites: November launch (1981)
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    Nature 293 (1981), S. 693-693 
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    Notes: [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 ...
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    Sun–comet collision: Extreme conditions (1981)
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    Nature 293 (1981), S. 693-693 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [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. ...
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    Immunochemical and immunocytochemical localization of S-100 antigen in normal human skin (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 85-87 
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    Notes: [Auszug] Table 1 S-100 protein concentration in normal human skin and malignant human melanoma Tissue Normal skin Malignant melanoma ug S-100 per mg soluble protein 0.03 1.90 Normal human skin (0.5 g per experiment) and malignant human melanoma (1.0 g per experiment), tested by histopathology, were ...
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    Transcriptional regulation of the prolactin gene by ergocryptine and cyclic AMP (1981)
    [s.l.] : Nature Publishing Group
    Nature 294 (1981), S. 94-97 
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    Notes: [Auszug] We first examined the effect of ergocryptine on the levels of nuclear precursors of prolactin mRNA. Previous work has demonstrated the presence of large, potential precursors of prolactin mRNA in pituitary cell nuclei12, the largest of these being 7.0 kilobases (kb); the mature prolactin mRNA is ...
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    Mechanisms of cell mediated lysis (1981)
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    Nature 293 (1981), S. 702-703 
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    Notes: [Auszug] THE MECHANISM by which lympho-reticular cells kill target cells is much less well understood than target cell lysis by antibody and complement. A recent international workshop* was designed to explore what was known of mechanisms of cell mediated lysis and to make comparisons between the ...
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    Oil pollution: British problems (1981)
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    Nature 293 (1981), S. 692-693 
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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 British government machinery for coping with major oil spills is inadequate, according to the Royal Commission on Environmental Pollution, whose latest report on oil pollution of the sea was published last week. The problem is that too many government departments, local and other interested ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/293692c0
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    Scientists against nuclear weapons : a list (1981)
    [s.l.] : Nature Publishing Group
    Nature 293 (1981), S. 694-694 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Readers - particularly those who do not realize that 24-31 October is United Nations Nuclear Disarmament Week - may be interested to know of the following organizations which have been set up by and for scientists who are opposed to nuclear armaments. The self-expressed objectives of the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/293694b0
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