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  • Articles  (48,353)
  • Springer  (44,822)
  • Nature Publishing Group  (3,531)
  • 1975-1979  (48,353)
  • 1978  (48,353)
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  • 1975-1979  (48,353)
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  • 101
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    [s.l.] : Nature Publishing Group
    Nature 275 (1978), S. 754-755 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fibroblast cultures derived from skin of normal cats and cats with GM1 gangliosidosis were maintained in McCoy's 5a medium with 20% fetal calf serum12. -Galactosidase activity was determined with the fluorogenic substrate, 4-methyl-umbelli-feryl--D-galactoside (4-MU--galactoside) (l unit=1 nmol ...
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  • 102
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    Nature 275 (1978), S. 769-769 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Two possible mechanisms of protein synthesis inhibition at 42C in the temperature-sensitive hydrolase strain are that one or more infrequently occurring tunas may become sequestered as peptidyl-tRNA, resulting in inhibition of polypeptide elongation or, on the other hand, that the only known ...
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  • 103
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    Nature 275 (1978), S. 777-778 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PAPER CHROMATOGRAPHY was taken up slowly and with some fear and trepidation by those brave enough to try it at all because neither the paper nor the solvents and reagents were suitable for the technique; and, indeed, it took some time for paper for chromatography to appear on the market. ...
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  • 104
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    Nature 275 (1978), S. 780-780 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE title of this book seems highly relevant to the current interest in 'ecotoxicology'. The author is well-known and respected for his work on resistance of insects to insecticides, a topic that with its strong basis in genetics should lead easily into ecological considerations. In the event, I ...
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  • 105
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    [s.l.] : Nature Publishing Group
    Nature 275 (1978), S. 785-786 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Astronomy BOHME, S., ESSER, U., FRICKE, W., HEINRICH, I., KRAHN, D., SCHMADEL, L. D., and ZECH, G. (edited by). Astronomy and Astrophysics Abstracts. Vol. 20: Literature 1977. Part 2. (A Publication of the Astronomisches Rechen-Institut Heidelberg, Member of the Abstracting Board of the ...
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  • 106
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    Nature 275 (1978), S. 438-439 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Figure 1 illustrates the texture discrimination task we used. Each stimulus had one 'target' quadrant whose texture differed from that used for the other three quadrants. The stimuli were presented in a tachistoscope and latencies were measured for discrimination of the target. A buzzer warned the ...
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  • 107
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    Nature 275 (1978), S. 443-444 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Several analogues of DDT (Table 1) were tested against strains of houseflies (Musca domestica L.) with known genetically isolated mechanisms of resistance to DDT. These strains were: Beiruth (heterozygous for DDTase) 2778 (DDT md, monooxygenase, sesamex-suppressible resistance), 538 ge ...
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  • 108
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    Nature 275 (1978), S. 580-580 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ARGENTINA is soon to start construction work on an experimental Plutonium reprocessing plant, and could be operating a complete nuclear fuel cycle with domestic technology by 1990, according to Admiral Raul Castro Madero, President of the Atomic Energy Commission. The reprocessing plant will be ...
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  • 109
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Inhibition by aphidicolin of mitotic division of embryos of Hemicentrotus pulcherrimus. Five min after fertilisation, embryos were treated with various concentrations of aphidicolin. Morphological changes were observed for 150 min. Aphidicolin (insoluble in aqueous media) was dissolved in ...
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  • 110
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    Nature 275 (1978), S. 460-461 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the first series of experiments two Rabinowitchi (R) strains of M. smegmatis were used: R15 as the viomycin sensitive parental strain and the resistant mutant R33 which has an altered 30S subunit9. Intact 16S RNA from 30S subunits of both strains was isolated by the phenol method10. The ...
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  • 111
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    Nature 275 (1978), S. 463-463 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DHONDT has recently made a case for the existence of interspecific competition between blue and great tits1. My first criticism is mainly statistical and concerns Dhondt's Fig. 3 in which he presents a Lotka-Volterra graph with the equilibrium lines for the two species, estimated subjectively by ...
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  • 112
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    Nature 275 (1978), S. 584-584 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE return of rocks from the moon by the Apollo expeditions, at considerable expense, gave the geological sciences a unique and unprecedented opportunity for extraterrestrial research with all its far-reaching implications. Biologists could admire the new findings, and try not to be envious. ...
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  • 113
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    Nature 275 (1978), S. 585-586 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] EXPERIMENTS by D. N. Paulson and J. G Wheatley, described in a recent issue of Physical Review Letters (41, 561; 1978) provide the strongest evidence yet that liquid 3He anticipates its superfluid transition. It seems that, when the liquid is cooled towards the transition temperature Tc, its ...
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  • 114
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    Nature 275 (1978), S. 586-587 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE first international conference organised by Malagasy scientists on the problems of conserving their unique flora and fauna was held recently in Antananarivo.* The conference was convened to deal specifically with the Malagasy lemurs, a group of primates unique to the island. The government ...
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  • 115
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    Nature 275 (1978), S. 587-588 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] COMPARISON of ribosomes from different organisms provides a promising approach to the problem of understanding ribosome structure and function. Several laboratories are engaged on amino acid and nucleic acid sequencing of ribosomal components and are gradually piecing together the information to ...
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  • 116
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    Nature 275 (1978), S. 588-589 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ISOLATED plant protoplasts are emerging slowly from their former state as an interesting curiosity and a subject for speculation to a new level of usefulness as a research tool, with their main application in virology and cell wall studies. Protoplasts are particularly valuable to the plant ...
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  • 117
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    Nature 275 (1978), S. 589-590 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE study of the forces between free nucleons, at energies not much greater than their rest masses, falls between the present interests of nuclear structure and of elementary particle physics. Administratively this is awkward and in Britain nucleon physics is neither popular nor lavishly funded. ...
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  • 118
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    Nature 275 (1978), S. 590-591 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MAN'S impact on the New Guinea highlands dates back five or six thousand years, when widespread development of a shifting slash and burn agriculture led to substantial forest clearance, and, at the same time, the domestic pig was introduced (Bulmer J. Soc. Ocan. 31, 7; 1975). Over the subsequent ...
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  • 119
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    Nature 275 (1978), S. 591-591 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT depths in the Earth of somewhere between 75km and 250km there is a layer perhaps some 75-150 km thick in which seismic velocity is slightly lower, and seismic attenuation is rather higher, than in the regions immediately above and below. Any uncertainty implicit in this statement arises because ...
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  • 120
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    Nature 275 (1978), S. 591-592 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE underlying importance of damage to DNA and its mutagenic consequences in the production of cancer and certain heritable diseases becomes steadily more apparent, and it may well extend to such superficially unrelated diseases as atherosclerosis and certain neurological conditions. The steps by ...
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  • 121
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    Nature 275 (1978), S. 592-592 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CAPTAIN PATTERSON, Superintendent of the U.S. Coast Survey, has lately initiated a very important undertaking in connection with the work of the Survey, namely, in determining the extent and position of the oyster beds of the Chesapeake Bay, primarily with reference to the formation of oyster ...
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  • 122
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    Nature 275 (1978), S. 309-310 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Samples of water were taken from Sand Loch, Aberdeenshire (grid ref. NJ 034284), and brought back to the laboratory. The water was filtered to remove large pieces of debris before being put into the experimental system. (The mesh of the filter was square, with sides of 250 mm.) Two sets of samples ...
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  • 123
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    Nature 275 (1978), S. 315-317 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Effect of graft-versus-host disease on several cerebellar growth parameters Cerebellar contents (mg) Day killed Injected cells Cerebellar weight (mg) DNA RNA Protein DNAF/ASF GVHD-producing LNC injected 9 None 63.3±1.7 0.45 ±0.02 0.37±0.01 ...
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  • 124
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    Nature 275 (1978), S. 318-320 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The formation of the retino-laminar projection in Daphnia follows a precise sequence of events which occurs during the middle stages of embryogenesis5,6. This is shown schematically in Fig. 1. Retinular axonal bundles arrive in order at the midline of the laminar anlage, where they contact immature ...
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  • 125
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    Notes: [Auszug] All studies were carried out on adult, male Sprague-Dawley rats weighing 175-225 g. While the animals were anaesthetised with 3% fluothane in 100% O2 blown over the nose, the hypoglossal nerve was isolated unilaterally, distal to the cricoid cartilage and the major bifurcation of the nerve. A ...
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  • 126
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Effect of 48/80 and A23187 on endogenous phosphorylation of mast cell proteins. Peritoneal mast cells derived from 15 Sprague-Dawley male rats ( 400 g) were collected and purified as described previously28. Mast cells (80-90% purity, 1.5 106 cells ml-1) were preincubated in a standard ...
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  • 127
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    Nature 275 (1978), S. 334-336 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Agarose gel electrophoresis of DNAs extracted from genital warts. Warts obtained from,seven patients (Table 1) were processed according to a modified Hirt method12,14. Minced tissues (0.3-1 g) were incubated in 10 ml of 0.01 M Tris, 0.01 M NaCl, 0.01 M EDTA, 0.5% SDS containing 50 µg ...
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  • 128
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    Nature 275 (1978), S. 342-343 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The apparatus used is similar to that described by Bull and Breese1, a Radiometer model 25 pH meter, a Radiometer GK 2401C combination electrode, a model 425C (Yellow Springs) bridge and thermistor probe, and an Omniscribe dual pen recorder (Houston). Individual protein solutions of about 2 mg ml-1 ...
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  • 129
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    Nature 275 (1978), S. 343-343 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the letter 'Origin of pregalactic microwave background' by M. J. Rees, Nature 275, 35-37, in paragraph 1 lines 5, 6 should read: ( dr/r)µM-a(?=a=?) (refs 12-15). Also, in paragraph 6 lines 1, 2 should read: Nucleosynthesis could have supplied heavy elements by t -107 ...
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  • 130
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    Nature 275 (1978), S. 345-345 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ROTHWELL AND STOCK REPLY-We apologise to Booth and Toates if we have neglected those aspects of their feeding model that take into account energy storage. Nevertheless, we were well aware (and said so) that the increased fat deposition of our animals results from an increased metabolic efficiency ...
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  • 131
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    Nature 275 (1978), S. 346-346 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FACHET AND ANDO1 suggest that cellular and humoral responses to oxazolone are under the control of H-2 genes. Their evidence for the control of cellular immunity was based on the differences between inbred and H-2 congeneic strains of mice in the magnitude of the delayed hypersensitivity response ...
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  • 132
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    Nature 275 (1978), S. 347-347 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE attempt to demonstrate on a priori grounds that natural science can never fully explain human behaviour has been a fashionable parlour game amongst philosophers for some time. This question-and associated problems hinging on the nature of freedom of choice and rationality-is addressed by ...
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  • 133
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    Nature 275 (1978), S. 351-351 
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    Notes: [Auszug] PROFESSOR D. R. CHICK, F.I.E.E., F.Inst.P., F.I.E.R.E., Head of the Department of Electronic and Electrical Engineering at the University of Surrey since 1965, died suddenly at his home in Surrey on 11 June 1978 aged 61. He was one of the many young scientists in the 1930s who began their working ...
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  • 134
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    Nature 275 (1978), S. 351-352 
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    Notes: [Auszug] THE death of Moses Kunitz on 24 April 1978 at the age of 90 brought to a close the story-book career of a young emigre from the Russian revolution who was to become a leading scientist in the field of protein research. Kunitz arrived in New York early in the second decade of this century and found ...
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  • 135
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    Nature 275 (1978), S. 634-635 
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    Notes: [Auszug] Various methods of diamond synthesis have been reported; the most successful involve growth at elevated temperature under very high pressure. Limited success has also been achieved in the metastable region by vapour-phase epitaxy at low pressure2, but such procedures are constrained by the ...
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  • 136
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    Nature 275 (1978), S. 175-176 
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    Notes: [Auszug] TOKAMAK rules. That was the essential message from the 7th International Conference on Plasma Physics and Controlled Nuclear Fusion Research held at Innsbruck from 23-30 August last. The results from the large (PLT) tokamak at Princeton (USA) were presented and discussed in some detail. In ...
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  • 137
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    Nature 275 (1978), S. 173-174 
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    Notes: [Auszug] CHOLERA and the related diarrhoeal diseases extract an incalculable global toll in human misery, morbidity and mortality. They also have a direct impact on human nutrition and growth and affect world food supplies through their effect on livestock. O0n August 6-11 they were the subject of the 43rd ...
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  • 138
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    Nature 275 (1978), S. 188-191 
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    Notes: [Auszug] The fringe shift observed in Young's double beam interference experiment using unpolarised neutrons, when one beam traverses a magnetic field before recombination, has been interpreted as implying direct observation of the sign reversal of a spinor wave function subjected to a 2π rotation. ...
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  • 139
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    Nature 275 (1978), S. 197-198 
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    Notes: [Auszug] First note that a stochastic time series x(t) is described by a set of statistics-the first order one (x(t)) (average), the second order one (x(ti)x(ti)) (variance and autocorrelation), the third order one (x(ti)x(tj)x(tk)) and so on. A major concern in shot noise analyses has been to estimate the ...
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  • 140
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    Nature 275 (1978), S. 200-201 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Williams has recently3 analysed the four components of the Lorenz energy cycle in an attempt to clarify the physical processes involved in the apparent solar modulation of the VAI. Although no statistically significant solar effects were discovered, some similarity was found in the behaviour of the ...
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  • 141
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    Nature 275 (1978), S. 203-205 
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    Notes: [Auszug] Fig. 1 a, Alumina (0.06 µn), run 3-15A; b, sericite (50 µm), run 3-14AC; c, carbon black (0.47 µm), run 6-12A. Particles suspended in pentane. We examined the superheating of liquid n-pentane containing various amounts of suspended carbon black (Cabot; MT-X25, 0.47 µm ...
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  • 142
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    Nature 275 (1978), S. 211-213 
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    Notes: [Auszug] Table 1 Chemical composition of basalt glasses Component Fresh Altered* Altered SiO2 50.10 46.44 43.36 A12O3 14.80 14.18 13.74 Fe2O3(t) 12.60 12.30 11.50 MgO 7.00 8.59 15.24 CaO 11.10 7.84 1.64 Na2O 2.57 2.59 0.89 K2O 0.14 0.04 0.06 TiO2 1.78 1.69 - ...
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  • 143
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    Nature 275 (1978), S. 214-216 
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    Notes: [Auszug] The exact method of training and testing of voluntary torsion using visual biofeedback has been detailed elsewhere12. A subject was seated in a dark room with head movements fixed by a full mouth bite plate. A vertical 11 0.25 flash was presented monocularly to generate a vertical afterimage. This ...
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    Nature 275 (1978), S. 220-222 
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    Notes: [Auszug] To examine the contribution of other alloantigens to the immunogenicity of Thy-1 we immunised AKR/J (Thy-1.1) mice with thymus cells from AKR/Cum or CBA (both Thy-1.2). Since AKR/Cum is closely related to AKR/J6,7 differences between the immunogenicity of CBA and AKR/Cum cells could be attributed ...
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    Nature 275 (1978), S. 226-228 
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    Notes: [Auszug] The investigation of the coexistence of ACTH with -LPH is based on evidence from the pituitary where -LPH and -endorphin have been localised in the corticotrophs15,16, in fact, within the same granules17. These two pituitary peptides possess a common precursor of molecular weight, 31,000 as ...
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    Nature 275 (1978), S. 230-231 
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    Notes: [Auszug] The effect of peripherally administered muscimol on the striatal levels of DA and its major metabolite, HVA, are given in Table 1. The concentration of striatal HVA was increased significantly at 0.5, 1 and 2 h after muscimol (2 mg per kg, i.p.) injection, whereas the concentration of DA was not ...
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    Nature 275 (1978), S. 234-236 
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    Notes: [Auszug] Bufo marinus red rods were impaled in eye cup preparations and identified by their characteristic slow waveforms3,14,15, spectral sensitivities14-17, and by injection of Procion yellow. Receptive field properties were determined using two different stimulus configurations. Two of us (H.F.L. and ...
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    Nature 275 (1978), S. 243-245 
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    Notes: [Auszug] When Chinese hamster cells were irradiated with 2.5 J m-2 and, 2 h later, with 5.0 J m-2 of UV light and then pulse-chased, their 3H-labelled DNA showed two peaks of radioactivity on alkaline sucrose gradient profiles plotted as percentage of total counts in each gradient (Fig. 1). One peak ...
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    Nature 275 (1978), S. 247-248 
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    Notes: [Auszug] Using the extensively refined X-ray structure19 and the well resolved NMR spectra it has been demonstrated that the average molecular conformations of BPTI in crystal form and in solution are, with the exception of localised regions on the protein surface8,17, very similar1,2,14,16 and the ...
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    Nature 275 (1978), S. 236-238 
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    Notes: [Auszug] Single muscle fibres from the barnacle Balanus nubilus were axially injected with the calcium-sensitive photoprotein aequorin6, prepared by chromatography from extracts of Aequorea forskalea4. Usually a period of 2 h was allowed for uniform distribution of the photoprotein internally, after which ...
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    Nature 275 (1978), S. 254-254 
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    Notes: [Auszug] LEICESTER ET AL. REPLY-Since our earlier work we have extended our analysis to determine the amount of storage that would have been needed to match heating demand to windpower output throughout the period 1 October 1974 to 31 March 1975, assuming an energy balance over the period as a whole. We ...
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    Nature 275 (1978), S. 256-257 
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    Notes: [Auszug] WHAT progress is being made toward the understanding of neural mechanisms of memory in terms of biochemical and anatomical changes in the brain? This seems to be the overall problem set by DeFeudis and DeFeudis. Their main effort in this book has been devoted to surveying changes observed in the ...
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    Nature 275 (1978), S. 258-258 
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    Notes: [Auszug] LET it be admitted at once that this book does not exactly appeal to this reviewer. But it is clear that the author has specialised knowledge in the field. He has written on extractive distillation (1964) and on energy transformations (1970) and is known in the fuel industry. As a result, his ...
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    Nature 275 (1978), S. 81-81 
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    Notes: [Auszug] IN many ways the annual meeting of the British Association for the Advancement of Science, just concluded in Bath, was quite a success. There was an excellent turnout of members of the young scientists' wing of the organisation-several hundred students in the 11-to-l8-year-old category were regular ...
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    Nature 275 (1978), S. 82-83 
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    Notes: [Auszug] I WAS recently a member of a panel on a radio programme which discussed the topic "Do animals have rights?" The panel included representatives of animal protection societies and a scientist involved in research. The chairperson was a well-known journalist and broadcaster. We had a live audience of ...
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    Nature 275 (1978), S. 257-257 
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    Notes: [Auszug] THIS is a straightforward textbook on spectroscopic techniques which are used in modern chemistry. All regions of the electromagnetic spectrum are covered, and the book is stronger than most of its rivals in the areas of X-ray spectroscopy, of photoelectron spectroscopy and of dispersion and ...
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    Nature 275 (1978), S. 669-671 
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    Notes: [Auszug] Our approach was suggested by recent experiments where an antiserum directed against endogenous xenotropic C-type virus suppressed the humoral immune response in all mouse strains tested11,12. As immunocompetent cells are ultimately derived from pluripotent stem cells of the lymphoid and myeloid ...
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    Nature 275 (1978), S. 92-92 
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    Notes: [Auszug] The Sea-Serpent Explained ON Monday, August 5, a number of geologists crossed in the Folkestone boat to Boulogne, to study the interesting formations of that neighbourhood, and, when about three or four miles from the French coast, one of these gentlemen suddenly exclaimed, "Look at that ...
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    Nature 275 (1978), S. 91-92 
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    Notes: [Auszug] A RECENT workshop on quasars and active galactic nuclei hosted by Lick Observatory provided not only an appropriate topic for discussion at this centre of optical and theoretical work on emission line objects, but also provided a forum for the exchange of views (and occasionally insight) derived ...
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    Nature 275 (1978), S. 87-88 
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    Notes: [Auszug] BIVALVE molluscs, particularly mussels and oysters, are valuable indicators of pollution in coastal marine environments and estuaries. Among their qualifications for this role are their sessile mode of life as adults and a capacity for accumulating contaminants in their tissues to levels ...
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    Nature 275 (1978), S. 90-91 
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    Notes: [Auszug] FOR more than 20 years the techniques of protein chemistry, including sequencing have played an enormous role in the development of biochemistry. It seems likely however that six papers in the Journal of Biological Chemistry (253, 5484; 1978) may be the zenith of this particular branch of science. ...
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    Nature 275 (1978), S. 93-96 
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    Notes: [Auszug] There is increasing interest in amorphous silicon as a low cost material for photovoltaic solar cells. Its possible uses extend to other methods of solar energy collection such as photothermal and photogalvanic ...
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    Nature 275 (1978), S. 104-109 
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    Notes: [Auszug] Chimaeric plasmids have been constructed containing a yeast plasmid and fragments of yeast nuclear DNA linked to pMB9, a derivative of the ColEl plasmid from E. coli. Two plasmids were isolated which complement leuB mutations in E. coli. These plasmids have been used to develop a method for ...
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    Nature 275 (1978), S. 113-114 
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    Notes: [Auszug] Fig. 1 Power spectra of six consecutive sets of 12 h of geomagnetic fluctuation data recorded at Durham, New Hampshire in 1975 (solid lines). The times and dates indicated for the spectra correspond to the local time of the station (LT-UT-5 h). The slope of the power-law fit through each spectrum ...
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    Nature 275 (1978), S. 123-124 
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    Notes: [Auszug] Fig. 1 Variation in mean sizes of G. bulloides in relation to three palaeoclimatic indices in cores Eltanin 49-19(a) and 48-22(b) from the southern Indian Ocean. The curves are plotted as three-point moving averages. 'Warm' is to the right and 'cool' to the left. Oxygen isotopes and other data for ...
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    Nature 275 (1978), S. 125-126 
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    Notes: [Auszug] In the previous study8, 383 adult mole rats comprising all four karyotypes were tested for 17 gene loci. In the study reported here blood samples of 499 specimens, collected during 1969-1971 from 21 populations of the four karyotypes, were tested for eight gene loci, six in the serum (haptoglobin, ...
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    Nature 275 (1978), S. 679-679 
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    Notes: [Auszug] Meetings 7 December, Strategy for Nutrition Research, London (Dr M. R. Turner, British Nutrition Foundation, 15 Belgrave Square, London SW1, UK). 9 January 1979, Annual Histochemistry, London (The Administrator, Royal Microscopical Society, 37/38 St Clements, Oxford, UK). 13?15 March, Safety of ...
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    Nature 275 (1978), S. 680-680 
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    Notes: [Auszug] UK & Ireland?September Birth Impairments. Pp. 60. (London: Office of Health Economics, 162 Regent Street, Wl, 1978.) 35p. [19 Health and Safety Commission. Health and Safety at Work (Diving Operations) Regulations. (Consultative Document). Pp. 19. (London: HMSO, 1978.) 50p. net. [19 The ...
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    Nature 275 (1978), S. 467-467 
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    Notes: [Auszug] THERE is a moral, a lesson and a set of danger signals in the three articles on science policy in Latin America in this week's Nature (pages 472-475). The moral is that linking a country's scientific activities to its technological needs can, in practice, be very much harder than the familiar ...
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    Nature 275 (1978), S. 468-468 
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    Notes: [Auszug] MUCH attention is currently being given to the concept of 'public participation' in policy decisions on technical and scientific matters. In referring to decisions on recombinant DNA research during a commencement address at the University of Michigan, Joseph Califano, Secretary of Health, ...
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    Nature 275 (1978), S. 469-470 
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    Notes: [Auszug] EUROPEAN subnuclear physicists are brimming with enthusiasm for their next big project, LEP (see page 482), but building it will plunge CERN (the European organisation for nuclear research) into a hornet's nest of problems. There is strong competition-tacit or not-between CERN and the West German ...
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    Nature 275 (1978), S. 470-471 
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    Notes: [Auszug] DR CLAUDIO BERMANN, a professor of psychiatry held incommunicado in Cordoba prison in Argentina without specific charges since April 1976, was released last month, following pressure from the US National Academy of Sciences' Committee on Human Rights, the Israeli embassy in Buenos Aires, and ...
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    Nature 275 (1978), S. 153-154 
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    Notes: [Auszug] When a mixture of [5'-32P]-Iabelled a and ft globin mRNA was completely digested with T, ribonuclease, the individual a and j3[5'-32P]-labelled TI fragments were purified by two-dimensional fingerprintings2. The a-^-fragment (32P-m6AmC(m)ACUUCUGp) and the /3-Tj-fragment (32P-m6AmC(m)ACUUGp) resolve ...
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    Nature 275 (1978), S. 157-159 
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    Notes: [Auszug] Fig. 1 Evolution of cytosolic (a) and mitochondrial (b) AAT. The mean immunological distances between the reference enzymes from pig and from chicken and the respective isoenzymes from the indicated vertebrate classes or orders are plotted against the palaeontologically estimated times of ...
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    Nature 275 (1978), S. 163-163 
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    Notes: [Auszug] THE title of this book is another example of the hypnotic effect of exponential and sigmoid curves upon those who have never used them in serious scholarly work. The lily pond which doubles its leaf-area every day and is half-full on the twenty-ninth day will, so the introduction to this book says, ...
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    Nature 275 (1978), S. 165-166 
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    Notes: [Auszug] Awards The following awards have been made by the Royal Society: the Copley Medal to Professor R. B. Woodward (Harvard University) for his contributions to experimental and theoretical organic chemistry; the Rumford Medal to Sir George Porter (Royal Institution) for his work on flash photolysis; ...
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    Nature 275 (1978), S. 2-3 
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    Notes: [Auszug] PRESIDENT Carter has further entangled himself in the meshes of his energy bill - this time through an unlikely deal linking the price of natural gas with research on the fast breeder reactor. Carter's proposals for price controls on natural gas had been bottled up in a Congressional conference ...
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    Nature 275 (1978), S. 4-5 
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    Notes: [Auszug] THE Indian Government is considering a report from a committee of experts, headed by the chairman of the Indian Petrochemicals Corporation, Dr S. Varadarajan, on how pollution from an oil refinery being built near Agra will affect the Taj Mahal. The committee began its investigations four years ago ...
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    Nature 275 (1978), S. 6-6 
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    Notes: [Auszug] INDIA is standing by for a locust invasion on its borders with Pakistan. Five wireless-linked locust control centres have been established in the border states, and chemicals, men and machines rushed in as locust activity increases. An agreement has been signed between the two countries for a joint ...
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    Nature 275 (1978), S. 4-4 
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    Notes: [Auszug] SIGMUND Jhn, the first East German cosmonaut, together with his Soviet flight-partner Valerii Bykovskii, returned to Earth last Sunday, after a week aboard the Salyut-6 orbiting station. Jä, the third non-Soviet cosmonaut to visit Salyut, completes the first phase of "international" flights; ...
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    Nature 275 (1978), S. 8-8 
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    Notes: [Auszug] SIR,-The interesting letter from Maynell and Newsam (3 August, page 466), confirming the suggestion that foxed paper has suffered from fungal attack, raises the question "Why was this form of deterioration called foxing?" The dictionary explanation is that the word refers to the brownish colour. If ...
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    Nature 275 (1978), S. 474-475 
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    Notes: [Auszug] ALREADY bidding for a place on the agenda of next year's UNCSTD meeting in Vienna is a proposal that has been put forward jointly by a group of Latin American countries and the Economic Commission for Latin America (ECLA) to establish a new fund for supporting technological development ventures in ...
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    Nature 275 (1978), S. 476-476 
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    Notes: [Auszug] SIR,-A major part of Michael Polanyi's papers is now in the Joseph Regenstein Library at the University of Chicago. These are the papers that were in his possession in Oxford, but no systematic effort has been made so far to collect correspondence, manuscripts and memorabilia from people with whom ...
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    Nature 275 (1978), S. 10-12 
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    Notes: [Auszug] FEW biologists can be unaware of the important contribution which the Stazione Zoologica di Napoli has made over the years since the first visiting scientist came to work there in 1873. As Theodor Boveri declared-"How many prosperous investigations, how much joy of discovery, has this house known! ...
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    Nature 275 (1978), S. 21-27 
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    Notes: [Auszug] Petrological evidence indicates that andesite is a mixture of melts from the upper mantle and lower crust. Mixing is favoured by a compressional environment and generation of rhyolitic crustal melt is favoured by continental crust. Andesitic volcanism apparently involves both addition of new ...
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    Nature 275 (1978), S. 35-37 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] For reasons outlined below, the dominant form of mass in the present Universe could be 'dead' remnants of massive or supermassive stars that formed when t£ 106yr. The active bright phase of these objects would last £ 107 yr (and would be over long before galaxies assembled as ...
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    Nature 275 (1978), S. 477-477 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MINOR tranquillisers of the benzodiazepine series (diazepam = Valium for example) are the most widely prescribed of all psychotropic drugs. The discovery last year (Squires & Braestrup Nature 255, 732; 1977; Mhler & Okada Science 198, 849; 1977; see News and Views 266, 678; 1977) of ...
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    Nature 275 (1978), S. 479-479 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MANY papers discussed the application of all the available age methods to igneous, metamorphic and sedimentary rocks from all over the world, ranging in age from ancient to almost modern. Finding the oldest terrestrial rocks is a fashionable and prestigious exercise. J. Barton Jr. (Witwatersrand ...
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    Nature 275 (1978), S. 62-64 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A survey of 24 normal full-term placentas was carried out with anti-HEL-12 virus antiserum. The HEL-12 virus anti-serum was prepared by hyperimmunisation of rabbits with gradient-purified HEL-12 virus. The antiserum reacts with HEL-12 virus infected cells of several species but not with uninfected ...
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    Nature 275 (1978), S. 478-478 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FROM the comprehensive sweep of topics at a recent conference on the use of isotopic dating in geology and cosmology*, it is clear that isotopes can shed light on almost every aspect of Earth and Planetary Sciences. Reviews ranging from their use in dating the Universe to their use in deducing ...
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    Nature 275 (1978), S. 479-480 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE classical picture of events at nerve endings and synapses has been modi-fled over the past few years by accumulating evidence for the existence of presynaptic receptors for neuro-transmitters, in addition to the classical postsynaptic receptors which mediate the response of the effector organ ...
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    Nature 275 (1978), S. 480-481 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MOST of the world's earthquakes occur in narrow bands clearly associated with plate boundaries. To say that the causes and mechanisms of such earthquakes are therefore perfectly understood would be to exaggerate, but at least it is possible to see in general terms that large-scale plate boundary ...
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    Nature 275 (1978), S. 481-482 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOR peripatetic Drosophila geneticists the long hot summer ended with a meeting on Drosophila biology at Szeged in Hungary*. Less 'molecular' than the recent conferences in Crete (see News & Views 275, 364; 1978) it provided an opportunity to meet many workers from Communist countries. In ...
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    Nature 275 (1978), S. 482-482 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the article 'Illegitimate recombination legitimised' (News and Views 274, 213; 1978) the reference (column 3, page 213, line 10) to the 9-base pair repeat generated by the integration of insertion element IS4 and attributed to P. Starlinger, is incorrect. The repeated sequences generated by IS4 ...
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    Nature 275 (1978), S. 483-484 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Now you see it, now you don't. The protein gap much discussed in the late 1960s was largely abolished, at least on paper, by the lower protein recommendations of the 1973 FAO/WHO committee. Subsequently increased controversy has raged between those who argue that there is still a protein gap and ...
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    Nature 274 (1978), S. 846-847 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONE of the more fascinating aspects of the contractile proteins from Acanthamoeba castellanii, a soil amoeba, is its rather exotic 'mini' myosin (Pollard & Korn, /. biol. Chem. 248, 4682, 4691; 1973). All other non-muscle myosins so far isolated are structurally similar to the well ...
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    Nature 274 (1978), S. 848-848 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] METALLIC glasses in great variety have been made by quenching appropriate liquid alloys at ultrafast rates, 105-108 K s\ into the form of thin ribbons or disks. Most such glasses consist of metal/metalloid combinations but some are also made from metal-metal melts. The degree of (meta)stability of ...
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    Nature 274 (1978), S. 855-858 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Examination of the distribution of tropospheric ozone indicates that surface destruction in the Northern Hemisphere (NH) should be about three times larger than in the Southern Hemisphere (SH). If, according to the traditional understanding of ozone, this species were a passive tracer in the ...
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    Nature 274 (1978), S. 866-869 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Concanavalin A causes in all Aplysia and Helix neurones a depolarising response to L-glutamate. The Con A-induced glutamate response is pharmacologically distinct from the three cell-specific glutamate responses (two inhibitory, one excitatory) that can be elicited from untreated molluscan ...
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    Nature 274 (1978), S. 874-875 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In both space and laboratory plasmas, whistlers could be excited by a long-wire antenna or by numerous instabilities. The latter usually occur in the presence of the stream of electron beams or an anisotropic velocity distribution in a medium. Nonlinear effects such as the particle trapping in the ...
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