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  • Nature Publishing Group  (48,584)
  • Oxford University Press  (28,010)
  • International Union of Crystallography  (13,007)
  • American Meteorological Society
  • 1980-1984  (47,711)
  • 1970-1974  (36,798)
  • 1940-1944  (14,758)
Collection
Publisher
Years
Year
  • 201
    Electronic Resource
    Electronic Resource
    Radiocarbon dating: Accelerating carbon dating (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 403-404 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE dates reported in this issue of Nature (pages 443 and 446) by groups from the University of Rochester1 and the University of Arizona at Tucson2 are among the first fruits of the method of radiocarbon measurement by accelerator mass spectrometry. The method, which uses the large tandem Van der ...
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    URL: http://dx.doi.org/10.1038/308403a0
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  • 202
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    Three dimensions for two (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 401-401 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE title "Exact results for two and three-dimensional Ising and Potts models" will excite only a small community of physicists, but for them it will be eye-catching in the highest degree. For is this not the solution to a problem on which a host of people have broken their heads in the past forty ...
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    URL: http://dx.doi.org/10.1038/308401a0
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  • 203
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    Developmental genetics: A common segment in genes for segments of Drosophila (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 402-403 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE beginnings of the molecular analysis of homoeotic genes, which seem to control segment determination in the fruit fly Drosophila melanogaster, have raised hopes that at long last an understanding of the relationship between the genetic information an individual inherits and its ...
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    URL: http://dx.doi.org/10.1038/308402a0
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  • 204
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    [News and Views ‘picture story’] (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 405-405 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] LONGITUDINAL ridges trace a helical path along the length of the cell surface of the unicellular flagellated alga Distigma proteus (top). Sections through the ridges reveal microtubules underlying each ridge (below left) and probably involved in the euglenoid movement of the cells. Between four and ...
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    URL: http://dx.doi.org/10.1038/308405a0
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  • 205
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    Huntington's disease: Charting the path to the gene (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 404-405 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FLUSHED with the success of the discovery by James Gusella and his colleagues of a marker on human chromosome 4 linked to the gene for Huntington's disease (Nature 306, 234; 1983), the participants at a recent workshop* in Los Angeles of the Hereditary Disease Foundation focused their attention ...
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  • 206
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    100 years ago (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 406-406 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE SOCIETY FOR THE BIOLOGICAL INVESTIGATION OF BRITISH COASTS THE meeting held for the purpose of inaugurating a new society having the above title, took place last Monday in the rooms of the Royal Society, Prof. Huxley being in the chair. Prof. Huxley began by observing that the establishment ...
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  • 207
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    Comparatively better (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 565-565 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE use of cross-species comparisons to evaluate evolutionary patterns has been growing rapidly in recent years. And, as being explicit and numerical has become more respectable among systematists, interest in understanding the logical and statistical pitfalls of the comparative method has also ...
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  • 208
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    How to keep secrets (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 388-388 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Reagan Administration is making a muddle of its revision of the Export Administration Act, the measure that will regulate the export of technology with military implications. Long before the original version was due to expire last September (it has been extended), the administration was openly ...
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    URL: http://dx.doi.org/10.1038/308388a0
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  • 209
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    Information technology: Germany increases investment (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 392-392 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DRASTIC steps to strengthen West German information technology are outlined in a document now published by its Ministry of Research and Technology (BMFT). The measures proposed are a compromise, intended to counter the failure of West Germany to hold its own against Japanese and US competition, ...
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    URL: http://dx.doi.org/10.1038/308392a0
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  • 210
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    Shock waves from a bullet (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 408-408 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOME of the earliest photographs of the shock waves generated by a speeding bullet were taken in the laboratory of Ernst Mach at the German University of Prague in the winter of 1888. In 1884 Mach had tried to record such waves, using the schlieren technique and target pistols, but had failed ...
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  • 211
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    Characteristic folding pattern of polytene chromosomes in Drosophila salivary gland nuclei (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 414-421 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A computer-based system for recording and analysing light microscope images, combined with classical cytogenetic analysis, has revealed the spatial organization of the giant chromosomes of Drosophila salivary gland cells. Each polytene chromosome arm folds up in a characteristic way, contacts the ...
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  • 212
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    Lead cycling in estuaries, illustrated by the Gironde estuary, France (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 409-414 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The cycling of lead in estuaries involves a complex exchange between dissolved and paniculate phases. In macrotidal estuaries such as the Gironde (France), dissolved lead is adsorbed onto particles due to an increase in turbidity and in the specific surface area of particles in the tidal estuary. ...
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  • 213
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    Protein crystallography: Fifty years of pepsin crystals (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 309-309 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the middle of April 1934, J.D. Bernai and Dorothy Crowfoot (now Hodgkin) obtained the first successful X-ray photographs of a globular protein. They were obtained in Cambridge from crystals of pepsin grown by John Philpot in Uppsala. The photographs, discussed in a letter to Nature (133, 794; ...
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    URL: http://dx.doi.org/10.1038/309309a0
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  • 214
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    Immunology: More on the T-cell receptor (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 310-311 
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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] NOT surprisingly, one of the main subjects of interest at a recent symposium on Regulation of the immune system' was the receptor on T cells which allows them to respond clonally to antigen in association with products of the major histocompati-bility complex (MHC). A year or two ago, when the ...
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  • 215
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    100 years ago (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 311-311 
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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] NOTES M. PASTEUR read to the Academy of Sciences on Monday an account of his experiments on rabies. He maintains that he has twenty dogs which he has rendered insusceptible to the disease, and which, with twenty ordinary dogs, he is prepared to have bitten by a number of dogs in a rabid state. A ...
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  • 216
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    Z-DNA: the acid test (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 313-313 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ACID treatment of polytene chromosomes of Drosophila before their exposure to an antibody against Z-DNA resulted in these striking immunofluorescent micrographs. A phase-contrast image of an isolated chromosome (B) allows its bands to be clearly identified and makes obvious that Z-DNA is associated ...
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  • 217
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    Molecular biology: DNA bending and kinking (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 312-313 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To pack double-stranded DNA into the protein shell of viruses such as phage λ, or to wrap it around the protein cores of the nucleosomes that characterize the chroma-tin of higher organisms, requires the DNA to be tightly bent or kinked at many sites. In the simplest case, DNA may have only ...
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  • 218
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    Mathematics: Beyond reasonable doubt? (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 314-314 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHEREAS the mathematical discipline of Number Theory deals with properties of whole numbers, that of Analysis is concerned with the continuous properties of real and complex numbers. Despite this difference, Bernhard Riemann, in 1859, discovered profound connections between the two, leading to what ...
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  • 219
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    Astronomy: IRAS circular 11 (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 314-314 
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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 sources in this circular all have a firm detection at 60 t?, are at least 20 away from the galactic plane and have continua representative of 'warm' galaxies. Each search box has been inspected on SERC/ESO Schmidt survey plates or on National Geographic/Palomar Schmidt plates, and contains an ...
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  • 220
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    Dinoflagellate origin for sedimentary 4α-methylsteroids and 5α( H )-stanols (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 439-442 
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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] Dinoflagellates are major primary producers in the oceans7,8, differing from other classes of both marine and lacustrine algae with respect to the dominance of 4a-methylsterols among their sterol components and the uniqueness of certain of these 4a-methylsterol structures. As the principal sterol ...
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  • 221
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    The IRAS fast-moving object search (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 315-319 
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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 Infrared Astronomical Satellite (IRAS) has provided an all-sky survey at wavelengths between 12 and 100 µm. The satellite also detected fast-moving objects in the Solar System, including new comets and Earth-crossing asteroids, one of which may be an extinct cometary ...
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  • 222
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    Somatic recombination in a murine T-cell receptor gene (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 322-326 
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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 putative T-cell receptor gene was isolated from the DNA of the helper hybridoma, 2B4. Analysis of the sequence components of this rearranged gene indicates the presence of separate variable (V), diversity (D) and joining (J) region elements analogous to those of heavy-chain immunoglobulins. These ...
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  • 223
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    Kinked DNA in crystalline complex with Eco RI endonuclease (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 327-331 
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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 3 Å electron density map of a co-crystalline recognition complex between EcoRI endonuclease and the oligonucleotide TCGCGAATTCGCG reveals that a tight, complementary interface between the enzyme and the major groove of the DNA is the major determinant of sequence specificity. The DNA ...
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  • 224
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    Reverse stellar evolution, quasars and low-mass X-ray binaries (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 331-332 
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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 low-mass X-ray binaries a late dwarf transfers matter by Roche-lobe overflow to a neutron star through an accretion disk3. As generally no X-ray eclipses in these systems are observed, it has been concluded that the secondaries are shielded from the X rays of the neutron star by the accretion ...
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  • 225
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    The nature of low-frequency cutoffs in the radio emission spectra of pulsars (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 332-333 
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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 curvature radiation of a system of charged ultrarelativistic particles ejected from the polar cap of a pulsar with a dipole magnetic field has been discussed in detail elsewhere11, taking into account the emission reabsorption by radiating particles. The spectral density of the curvature ...
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  • 226
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    Structure, stability and evolution of Saturn's rings (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 333-335 
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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 global properties such as the ring thickness and dynamical evolution time scale are basically determined by the collisional dynamics between the ring constituents and the resultant transport processes6"9. The cumulative effect of many collisions over a differentially rotating disk, such as ...
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  • 227
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    Topographic EXAFS (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 336-338 
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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 method relies on the properties of synchrotron radiation (SR)1, whose high intensity and continuous spectrum enables EXAFS spectra to be accumulated in reasonable times (some tens of minutes) and X-ray topographs to be taken in some seconds. An obvious way of combining the methods would be to ...
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  • 228
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    Splitting the bithorax complex of Drosophila (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 454-457 
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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] Three chromosomal rearrangements (T(2;3)P10, Tp(3;3)-bxdl00 and Tp(3;3)sbd104; refs 4, 12, 13) have been used to generate a fertile stock of homozygous flies in which the BX-C complex is split into a centromere-proximal fragment translocated to the left arm of the second chromosome and a ...
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  • 229
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    Prevention of natural motoneurone cell death by dibutyryl cyclic GMP (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 452-454 
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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] Drugs dissolved in Tyrode solution were administered to chick embryos (Harco reds Partmer reds) by dropping 0.2ml of solution onto the vascularized chorioallantoic membrane daily on embryonic days 5-9. Embryos were killed on day 10, staged20 and weighed. The lumbar spinal cord was dissected, fixed ...
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  • 230
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    The chorus-line hypothesis of manoeuvre coordination in avian flocks (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 344-345 
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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 'chorus-line' hypothesis suggests that manoeuvres are initiated by any bird executing a manoeuvre towards the flock and that subsequent coordination is achieved through visual communication. This leads to the prediction that execution of the manoeuvre by neighbours of the initiator will be ...
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  • 231
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    33,000-yr old chert mining site and related Homo in the Egyptian Nile Valley (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 342-344 
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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 1982 excavation enabled us to distinguish three sedimentary units: (1) the substratum of the site or the pre-Upper Palaeolithic natural deposits, (2) Upper Palaeolithic diggings in the substratum and their related infills, and (3) later deposits on the site. The basement of the site consists ...
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  • 232
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    Auditory receptive fields in primate superior colliculus shift with changes in eye position (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 345-347 
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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] We trained two monkeys (Macaca mulatta) to look to either visual or auditory targets in a completely darkened room. The major objective of the experiment was to plot the RFs of sound-sensitive cells in the SC of alert monkeys while varying the direction of visual fixation. We considered that if the ...
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  • 233
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    Association with persistent neuroleptic-induced dyskinesia of regional changes in brain GABA synthesis (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 347-349 
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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] Nineteen C apella monkeys (10 male, 9 female) weighing 1.6-4.2 kg (mean 2.9 kg) were used in the present experiments. Twelve monkeys received chronic neuroleptic treatment: haloperidol (nine animals) or fluphenazine (three) for 3-6 yr, while seven were untreated controls. Intramuscular (i.m.) ...
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    Cation selectivity of light-sensitive conductance in retinal rods (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), 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] Under IR light a piece of retina from a dark-adapted toad (Bufo marinus) was finely chopped in Ringer's solution, yielding some isolated rods with intact outer and inner segments. The light-sensitive current from one of these rods was recorded by sucking its inner segment into a close-fitting glass ...
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    Chronic neuroleptic treatment enhances neurotensin receptor binding in human and rat substantia nigra (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), 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] Neurotensin is a central nervous system neurotransmitter candidate anatomically disposed to interact with dopaminergic neurones10"13. In particular, several lines of evidence indicate that there are dense localizations of neurotensin receptors on neurones in the substantia nigra from rats and human ...
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    Non-function of a Moloney murine leukaemia virus regulatory sequence in F9 embryonal carcinoma cells (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 470-472 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Like M-MuLV, polyoma virus gene expression is restricted in EC cells7. Mutants of polyoma have been isolated that productively infect EC cells8-12 . The mutations that allow viral expression occur in the region of the polyoma genome identified to have transcriptional enhancing activity in ...
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    Adoptive transfer of myelin basic protein-sensitized T cells produces chronic relapsing demyelinating disease in mice (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 356-358 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Guinea pig myelin basic protein (GPBP) was prepared by the method of Diebler et al.10. The purity of the preparation was established by polyacrylamide gel electrophoresis. Female SJL/J mice, 6-10 weeks old, were injected subcutaneously at four sites, with 400 μ GPBP and 30 μg ...
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    Separation of developmental compartments by a cell type with reduced junctional permeability (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 361-364 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Pieces of integument, containing three segment borders, were dissected from the dorsal abdominal wall of fourth instar nymphs of the mutant strain cb;wb (rf. 6). Epidermis of this stage was selected over that of the fifth instar studied previously1 because the cuticle is smoother at the segment ...
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    Phagocytosing macrophages exclude proteins from the zones of contact with opsonized targets (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 359-361 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To examine the ability of soluble proteins to permeate the zone of contact between a macrophage and a ligand-coated target, glass slides were coated with dinitrophenol (DNP)6 and then with a monoclonal IgM anti-DNP antibody to give a IgM-coated surface (Fig. 1). IgM is not recognized by receptors ...
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    May teach you more of man (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 476-476 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] UNTIL recently, immunologists have in some way resembled a gaggle of mediaeval scholars bent on using established dogma to prove the existence of the deity. This scholasticism, which has been irksome to other scientists, has been relieved by the excitement generated by the applications of hybridoma ...
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    Setting time aright (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 476-476 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ON 24 February 1582 Pope Gregory XIII (1502-1585) signed the Apostolic Letter, or Bull, Inter gravssimas, imposing a new calendar. That calendar, the Gregorian, came into force in October in countries under the Papal jurisdiction, and was adopted in Britain in 1752, in Japan in 1873, in Bolshevik ...
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    Schwann cells induce morphological transformation of sensory neurones in vitro (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 367-369 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During development in the dorsal root ganglion (DRG) of birds and mammals, sensory neurones are initially bipolar in form, extending one axon to the periphery and the other to the spinal cord. During the second half of development, these neurones undergo a remarkable change in morphology well ...
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    Relaxin affects the central control of oxytocin release (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 372-374 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Rats were taken from the departmental colony where they had been housed in an environment of controlled light and temperature, with water and food available ad libitum. The day of delivery was denoted as day 1, and the animals were used between days 8 and 12 of lactation. The protocol for these ...
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    Epstein–Barr virus transforms precursor B cells even before immunoglobulin gene rearrangements (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 369-372 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] EBV was obtained from the culture fluid of the B95-8 marmoset cell line7. The fetal liver was obtained from an embryo artificially aborted at the 16th week of gestation. Mononuclear cells separated by Ficoll-Conray gradient centrifugation were infected with EBV at a multiplicity of infectivity of ...
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    UK research councils: Bolt hits medical research (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 304-304 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE directors of the research units of the British Medical Council (MRC) have been abruptly informed that their budgets for the financial year beginning in just ten days on 1 April will be much tighter than anticipated. Several directors describe themselves as "shell-shocked" by the news, given to ...
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    [News ‘picture story’] (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 304-304 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Oil crisis … uranium crisis? If worldwide production of uranium continues at its projected levels it could severely restrict future nuclear programmes, despite the fact that stockpiles are growing. This is the conclusion of a report released recently by the Nuclear Energy Agency of the ...
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    Laboratory animals: Primate supply shrinks (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 304-304 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE increasing difficulty of importing research primates is forcing European countries to establish breeding colonies of commonly used species. Malaysia last month became the latest of a series of countries to ban the export of primates for research, citing as its principal reason the discovery ...
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    DESMOND on line (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 305-305 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE development of computer acronyms will pass another milestone this week when the Open University in the United Kingdom unveils its new educational machine DESMOND - the Digital Electronic System Made Of Nifty ...
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    Polish academics: Nuclear institute still disfavoured (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 305-305 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] POLISH scientists who worked at the former Institute of Nuclear Physics (IBJ) at Swierk outside Warsaw are said to have rejected a bargain that could have led to the reinstatement of a number of scientists dismissed during the martial law period. During the winter of 1982-83, the institute was ...
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    Underwater illumination (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 382-382 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE are advantages and disadvantages in attempting to bridge the gap between two scientific subjects. Ideally, the bridge will provide a route for the two-way traffic of ideas and scientists; but if the two subjects are in very different states of development, it may result instead in a ...
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    French change (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 381-382 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] LAURENT Schwartz, a Fields medallist, is certainly the most outspoken mathematician in France. For years, he has persistently taken strong public stands against colonialism in Algeria, for human rights and civic liberties in the USSR, for progress through education and scientific research, and for ...
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    Insurance wanted on Greenland explorers (1984)
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    Nature 308 (1984), S. 306-306 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] EXPEDITONS planning to visit Greenland are likely to find it more difficult to raise adequate support from this year. The Commission for Scientific Research in Greenland is insisting on much larger guarantees against the cost of rescue operations - twice as much by some accounts - and visitors will ...
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    US research freedom: Suit against farm machines (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 306-306 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Los Angeles THE freedom of a university to choose its own research objectives went on trial in California last week. In an unprecedented court case, a group of farm workers challenged the right of the University of California to use public research funds to develop labour-saving machines that, ...
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    UK geophysics research: More support for solid-Earth? (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 307-307 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE community of solid-Earth geo-physicists in the United Kingdom is inadequately represented and supported by the Natural Environment Research Council (NERC). That at least is the message from a recent survey of university Earth scientists carried out under the auspices of the Royal Astronomical ...
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    UK science parks: A growing phenomenon (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 307-307 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE year 1984 looks set to be a bumper one for science parks in Britain. Although opinions differ on what they should do and even on what they are, everyone is convinced they are a good thing and should be encouraged. So far this year, the University of Birmingham has officially launched its ...
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    US accelerators: Super-collider costing (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 308-308 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Los Angeles SEQUESTERED in special offices at Lawrence Berkeley Laboratory at the University of California, a group of 20 high-energy physicists is working round the clock to establish "credible" cost estimates for the United States' proposed superconducting super collider (SSC). The accelerator, ...
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    Three Mile Island: Still a problem after five years (1984)
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    Nature 308 (1984), S. 308-308 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington THE fifth anniversary of the accident at Three Mile Island has brought little tranquillity to the reactor site at Harris-burg, Pennsylvania. Efforts to clean up the damaged Unit-2 reactor are slowing down because the General Public Utilities (GPU) Nuclear Corporation is running short of ...
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    Britain's binary higher education (1984)
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    Nature 308 (1984), S. 309-309 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - The "Binary is divisive" column (Nature 2 February, p.400) makes some fair points and the desirability of greater diversity in higher education would be endorsed by many. However, in discussing this matter at least three factors differentiating polytechnics from universities need to be ...
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    Britain's binary higher education (1984)
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    Nature 308 (1984), S. 309-309 
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    Notes: [Auszug] SIR - Few would disagree with your view (Nature 2 February, p.400) that the United Kingdom's binary system of higher education is divisive, but I feel that your leading article contained some errors. The local authority, or maintained, sector of higher education consists of many more institutions ...
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    NASA's spending (1984)
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    Nature 308 (1984), S. 309-309 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - I agree wholeheartedly with your argument that the National Aeronautics and Space Administration (NASA) tends to live by pushing for huge new projects and hastily devising rationales for them afterwards (Nature 307, 1; 1984). However, your second theme - that the manned station would be an ...
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    Scientists in Pinochet's Chile (1984)
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    Nature 308 (1984), S. 310-310 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - It is extremely sad that the only thing my colleagues seem to have registered is the moderate optimism I used to analyse the current situation and evolution in Chilean universities. My essential aim was to convey the sense of intrinsic perversity I have always felt about the military ...
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    Japanese computers: Fifth-generation machines here (1984)
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    Nature 309 (1984), S. 198-198 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Tokyo JAPAN'S fifth-generation computer project has taken a big step towards its preliminary goals with the successful construction of a prototype relational database machine —the first of its kind. The fifth-generation computer project aims at the development, by the 1990s, of a completely ...
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    Logic and language for the new generation (1984)
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    Nature 309 (1984), S. 198-198 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RELATIONAL databases are not in them selves new —their mathematical basis was laid out in 1972. What makes them distinct from more conventional data bases, and particularly suits them to “intelligent” applications, is their simplicity of organi zation. Entries consist purely of ...
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    Government veto for Warsaw rector (1984)
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    Nature 309 (1984), S. 199-199 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Polish Ministry of Science, Higher Education and Technology has refused to confirm in office the newly elected rector of Warsaw University, Dr Klemens Szaniaw-ski. This decision runs counter to pledges given through the goverment press spokes man, Mr Jerzy Urban, that university officers ...
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    Nuclear test fallout: 1: US Government arraigned (1984)
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    Nature 309 (1984), S. 199-199 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington A FEDERAL judge in Utah has ruled that fallout from nuclear bomb tests was the “proximate cause” of certain types of cancers developed by nearby residents, and that the government had failed to take proper precautions. Ten plaintiffs, who had developed thyroid cancer, breast ...
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    Nuclear test fallout: 2: Claim and counter-claim (1984)
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    Nature 309 (1984), S. 199-199 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE federal Australian Labor Government is under growing pressure from its own backbenches and the Labor premier of South Australia, Mr John Bannon, to furnish more information about alleged secret nuclear tests at Maralinga in 1963, the allegedly unmarked burial of radioactive equipment and the ...
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    Biochemistry in Japan: Applying fundamentals (1984)
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    Nature 309 (1984), S. 200-200 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] INCREASED support for fundamental research in the life sciences is planned in a report to Prime Minister Yasuhiro Nakasone by Japan's top science policy-making body, the Council for Science and Technology. Concern about the long lead of the United States in basic research in molecular biology ...
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    Molecular sequences: UK community seeks access (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 200-200 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BRITISH molecular biologists, frustrated by inadequate computing facilities, are attempting to persuade research councils and cancer charities to finance a new national computer link-up and software support scheme for protein and DNA se quencing. Their problems will be aired at a special meeting ...
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    Toxic chemicals: UK guidelines a compromise (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 201-201 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BRITAIN'S Health and Safety Executive seems to have pleased nobody with its first attempt at British guidelines on occupational exposure to toxic substances, published last week under the unassuming title “Guidance Note EH 40”. Some of the concentration limits specified are ...
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    Peace protests: Soviet missiles unwelcome (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 201-201 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Czech human rights organization, Charter-77, two weeks ago formally repudiated views it alleged had been ascribed to it by the British-based “European Nuclear Disarmament” movement (END). Peace, said the Chartists, is not in itself a sufficient goal —it may mean little more ...
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    Modest ecological disaster discussed (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 201-201 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington WHAT is fondly known as the “doom and gloom” lobby — the environment and world-future think-tanks that have been warning us for years about overpopu lation, deforestation, acid rain, soil ero sion and sundry depletions of non-renewable resources — met in ...
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    Computerized dictionary: English language quantified (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 202-202 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Oxford English Dictionary, generally known as the OED, plans to leap into the twentieth century by investing £7 million in the computerized production of a new edition, a merger of the existing 12-volume dictionary with the four-volume supplement still not yet complete. Announcing this ...
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    Nuclear power: UK peers give Europe advice (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 202-202 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE European Commission should play a stronger role in environmental and energy policy-making, according to a new British report from the House of Lords Select Committee on the European Communities. The committee concludes there is a clear need for an authoritative international assessment of ...
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    AFRC cuts meet disapproval (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 202-202 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BRITISH Members of Parliament have taken up the cause of scientists employed by the Agricultural and Food Research Council who are threatened by redun dancy. A report from the House of Commons Agriculture Committee published last week chides the government for imposing on the council cash limits ...
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    Nuclear war models (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 203-203 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR —Our study of frost rings as indicators of climatically effective volcanic eruptions (Nature 307, 121; 1984) was discussed by John Maddox in the same issue (p. 107) in the context of recent calculations modelling the long-term consequences of nuclear war. We appreciate his synopsis of our ...
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    Lie detector lies (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 203-203 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR —It is illuminating to express the results of studies in the fallibility of lie detection, such as that of Kleinmutz and Szucko1, in terms of the amount of information obtained, which can be measured as the “expected weight of evidence” introduced by I.J. Good2. Doing so ...
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    Crater dated (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 203-203 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR —The cover of your 19 April issue shows an aerial photograph of Meteor Crater, Arizona. It is stated in the caption that the crater is the “result of an impact about 50 million years ago” but I am unaware of any Meteor Crater age estimates of this magnitude. The crater is ...
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    Tropical ecology research (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 204-204 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR — The table below is compiled from the monthly listings of ecological publications in Current Advances in Ecological Sciences between 1979 and 1983. The journal (published by Pergamon, Oxford) cites an annual average of 15,000 recent ecological publications in about 2,000 source journals ...
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    Classic errors (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 204-204 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR —R. H. Wright and R. E. D. Cattley (Nature 303, 568; 1983) and M. Mac-namara (Nature307, 590; 1984) discuss the possible meaning of Homer's “wine-dark” sea. Wright and Cattley propose a chemical answer to the problem, suggesting that wine when mixed with the alkaline ...
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    Yellow rain : a palynological analysis (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 205-206 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A HIGH pollen content has been reported in samples of yellow rain from South-East Asia1'7. We have examined 11 samples of yellow rain allegedly collected at sites of chemical attack in Laos. The samples contain a high proportion of pollen. No two samples, even different spots of yellow rain on the ...
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    Natural history of yellow rain (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 207-207 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] REPORTS in the past few years that myco-toxins have been used as lethal weapons, in South-East Asia and elsewhere, are not formally disproved by the preceding article which demonstrates that at least some of the yellow-coloured droplets falling from the sky are nothing but the excrement of bees. ...
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    Human evolution: A gathering of our ancestors (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 208-208 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE word ‘unique’ is abused by us all, but is aptly applied to the ‘ Ancestors’ pro gramme mounted this year by the American Museum of Natural History (AMNH) in New York. Readers will doubtless be aware of the recent resurgence of the creationist movement and its attempts to ...
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    Cell biology: Epidermal growth factor receptor—yet another domain? (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 209-210 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CELLS responsive to epidermal growth factor (EOF) carry specific receptors for EOF on their surface membrane. Between 12 and 24 hours after EOF binds to these receptors, the cells begin to synthesize DNA. In the meantime, the majority of the EGF–receptor complexes have been removed from the ...
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    Retinitis pigmentosa: Progress in sight (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 210-210 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE is no doubt that molecular genetic technology is leading to an understanding of human genetic disease at a depth and resolution inaccessible to more traditional methods. Because the path to that understanding is often indirect, however, for the time being it presents a problem for clinicians ...
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    Archaeology: The decline of Rome to a fast-food empire (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 211-211 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A NUMBER of recent archaeological publications provide evidence of a socio-economic transition that occurred in the Roman Empire as it declined and fell — ‘the greatest, perhaps the most awful scene in the history of mankind’, according to Edward Gibbon1. Whereas Gibbon's ...
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    Oceanology: Storms in the abyss (1984)
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    Nature 309 (1984), S. 212-212 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ANY lingering notion that the dark waters of the deep ocean floors are uniformly calm should finally be dispelled by the vivid account of this remarkable environment provided by Hollister and McCave starting on pages 220 of this issue of Nature. Their study concentrates on a 2 × 4 km area of ...
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    Archaeological dating: New method for bricks? (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 214-214 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AN unexpected byproduct of investigations of the chemical stability of clays employed in the storage of nuclear waste is the suggestion of a new method of dating bricks, ceramics and other materials fired in antiquity. The technique, suggested by Waddell and Fountain1, depends on the diffusion of ...
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    Molecular biology: Anatomy of hypersensitive sites (1984)
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 213-214 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the analysis of the structure of chromatin in animal cells, sites hypersensitive to digestion by the enzyme DNase I are generally found within the 1,000 base pairs (bp) that flank the 5′ ends of genes that are active or can be activated (see rf. 1 for a brief review). That these ...
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    The mischief maker (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 800-800 
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    Notes: [Auszug] The Demon in the Aether: The Story of James Clerk Maxwell By Martin Goldman, Published by Paul Harris, 40 York Place, Edinburgh: 1983. Pp.224. £18. JAMES Clerk Maxwell was more an imp in the underdrawings than a demon in the aether. True, his mischievous activity so undermined classical ...
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    New chronological data on European Plio-Pleistocene faunas and hominid occupation sites (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 355-358 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Volcanic activity in the Massif Central (France) has been paroxysmic from the Miocene almost to the present (ceasing some 3,450 yr ago. However, in some parts of that area, for example Western Velay, it began only about 3.5 Myr ago and ended about 0.7 Myr ago1. Basaltic and basanitic flows were ...
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    Maternal dominance, breeding success and birth sex ratios in red deer (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 358-360 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Records for around 120 red deer hinds and 100 stags on the Isle of Rhum (Scotland) collected between 1971 and 1983 show the breeding success of each individual and the proportion of male and female calves born to each mother9. The social dominance of each hind is measured by calculating the total ...
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    Hyperpolarization of fish retinal horizontal cells by kainate and quisqualate (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 360-362 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Retinal horizontal cells in cyprinid fish have large cell bodies and are organized into layers of interconnected neurones11. In the dark, their resting potential is -20 mV to -40 mV and, in the main, they hyperpolarize in response to light, although C-type cells are depolarized by some stimulus ...
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    Ganglion cell death during development of ipsilateral retino-collicular projection in golden hamster (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 362-365 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We performed experiments on golden hamsters (Mesocricetus auratus), some of which had had one eye removed by section of the optic nerve under hypothermie anaesthesia on day 0 (the first 24 h after birth). At different ages pressure injections of retrogradely transported markers (horseradish ...
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    Aged murine killer T-cell clones acquire specific cytotoxicity for P815 mastocytoma cells (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 367-370 
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    Notes: [Auszug] We present data from three types of cloned cytotoxic T cells. First, we show results from a number of cytotoxic lymphocyte (CTL) clones derived from female C57BL/6 (B6) mice with specificity for male B6 target cells carrying the H-Y antigen. These clones were obtained by standard procedures4,5 (see ...
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    Acquisition of specific cytotoxic activity by human T4 + T lymphocytes in culture (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 365-367 
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    Notes: [Auszug] These experiments were prompted by the finding that several T4+T8- TLC specific for influenza virus5 or for tuberculin6, which had not been cytotoxic in the initial screening after cloning, had become strongly positive for phytohaemagglutinin (PHA)-dependent cytotoxicity after several months in ...
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    Evolution of a trypanosome surface antigen gene repertoire linked to non-duplicative gene activation (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 370-373 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] All the VSA genes studied so far in the AnTAR 1 repertoire of Trypanosoma brucei brucei (stock E ATRO 1125) are activated by the duplicative transposition process: these genes are those determining the antigenic types AnTat 1.1 and 1.8 (ref. 2), 1.3 (ref. 7), 1.13 (ref. 8) and 1.30 (our unpublished ...
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    Genetically restricted antigen presentation for immunological tolerance and suppression (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 373-375 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have previously demonstrated that presentation of antigen by a cyclophosphamide-sensitive I-J-positive APC is required for activation of third-order azobenzenearsonate( AB A)-induced T suppressor cells (Ts3)5. This APC may also be significant in the activation of T suppressor cells specific for ...
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    Cofactor requirements of splicing of purified messenger RNA precursors (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 375-377 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Exogenous RNA substrate (1,800 nucleotides) was synthesized in vitro in the whole cell extract in conditions in which splicing is inhibited (see Fig. 1 legend for method). Subsequently the purified 32P-labelled RNA was incubated in the whole cell extract in conditions which allow splicing. The RNA ...
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    Similarity of the nucleotide sequences of rat α -lactalbumin and chicken lysozyme genes (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 377-380 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The nucleotide sequence of the entire rat a-LA gene and its 5' flanking region is shown in Fig. 1.. The a-LA gene extends over 2.5 (kb kilobases) of genomic DNA and is composed of four exons and three introns. The nucleotide sequence of the coding region of the genomic DNA is consistent with the ...
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    Cybernetics in human affairs (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 384-384 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE publication of Norbert Wiener's Cybernetics in 1948 created ripples of interest right across the scientific spectrum and beyond. Although he did not coin the term (it was used by Ampère in 1838 to denote "the science of government"), Wiener was the first to popularize the idea that by analysing ...
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    URL: http://dx.doi.org/10.1038/308384a0
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