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  • Nature Publishing Group  (3,487)
  • 1980-1984  (3,487)
  • 1980  (3,487)
  • 1926
  • 1
    Electronic Resource
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    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 633-633 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Staff morale may be as much a threat to the British fast reactor programme as the prospect of a public inquiry on the project. The latest sign of this is the resignation of Mr Jack Moore, coordinator of the fast reactor programme at the UK Atomic Energy Authority (UKAEA), at the end of the year. Mr ...
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  • 2
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    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 634-634 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Saturn, as seen by Voyager 1 on 16 November, four days after the encounter. Some of the dark spoke-like ring features (Nature 4 December) are seen as bright patches due to scattering of sunlight from particles within them. Voyager 1 will be monitored to as great a distance as possible in an attempt ...
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  • 3
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    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 636-636 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Brussels Agreement has still not been reached by the Environmental Council of the EEC on two pieces of legislation: one concerning the prevention of industrial accidents and the other on the level of mercury discharge. However, new controls on whale imports, the recycling of waste paper, and ...
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  • 4
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    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 638-638 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - I have just read your article concerning Unesco in the 6 November issue of Nature. While I shall refrain from commenting upon the overall content of the article - although for instance we do not know here of any "new technological order" which would have been approved by the recent Belgrade ...
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  • 5
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    Nature 288 (1980), S. 632-632 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington It may not last, but in contrast with previous years, when President Carter's requests for additional funding for science were trimmed back by Congress, the final 1981 research budget looks in even better shape than when it was presented in January 1980. The Administration revised ...
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  • 6
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    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 694-697 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] What is R in equation (1)? On the basis of a particular outbred model, Hamilton1'2 claimed that Wright's19 'coefficient of relationship' was the required R. However, later, giving a heuristic development but no further model, Hamilton20'21 modified his identification of R with Wright's coefficient ...
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  • 7
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    Nature 288 (1980), S. 702-705 
    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 we studied the change in the renin concentration of normal male plasma during acid-activation in the presence and absence of soya bean trypsin inhibitor (Fig. 1). Samples of plasma (0.5 ml) were dialysed to pH 3.0 for 24 h at 4 C (rf. 1) and then taken to pH 7.4 ...
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  • 8
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    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 711-713 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Electrotonic coupling between epithelial cells was measured by conventional intracellular glass microelectrodes21. Current pulses were passed and voltages recorded through a single microelectrode. In the intact animal measurements were performed in the head, mid-gastric and foot regions with the ...
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  • 9
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    Nature 288 (1980), S. 727-729 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Thirteen human cell strains, most of them derived from malignant tumours, were studied (Table 1). The phenotype of each strain was classified as Mer+ or Mer by R. Day, on the basis of whether or not the cells were proficient in supporting the growth of adenovirus 5 treated with ...
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  • 10
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    Nature 288 (1980), S. 733-734 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] EAMG was produced in female Lewis rats (200-225 g) by immunizing them with 50 g of AChR, emulsified in an equal volume of Freund's complete adjuvant, injected intradermally. AChR was extracted from the electric organs of Torpedo cali-fornicus with Triton X-100 and purified by affinity ...
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  • 11
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    Nature 288 (1980), S. 637-637 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Brasilia, November In the scramble to develop its unexploited resources, officials say that Brazil is turning away from the Amazon Basin to an area of savannah, known locally as the Cerrados, covering about 180 million hectares mainly in the centre of the country. Attempts to open up the Cerrados, ...
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  • 12
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    Nature 288 (1980), S. 636-637 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The next director of DESY, the West German particle physics laboratory at Hamburg, will be 49-year-old Dr Volker Soergel, at present a member of the directorate of CERN, the European centre for particle physics in Geneva. Departing DESY director Professor Herwig Schopper announced the appointment ...
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  • 13
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    Nature 288 (1980), S. 742-742 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE momentum that was given to retro-virus research by the discovery of reverse transcriptase is still strong. Today, ten years after that discovery, the field remains one of the most active areas in biology. The book, a collection of 12 reviews by as many groups, is an attempt to take stock and ...
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  • 14
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    Nature 288 (1980), S. 544-547 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The recent observations ofsolar 5-min oscillations of low degree agree approximately with the predictions of a standard solar model with normal abundances of helium and heavy elements. Much of the apparent discrepancy noticed when the observations werefirst announced was a result of having ...
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  • 15
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    Nature 288 (1980), S. 697-698 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Ecological studies of grasshoppers and locusts have often considered weather factors to be important determinants of population size or growth rate4"9. Dry soil conditions in particular seem to favour population increases of many economically important Orthopteran species10. It has been ...
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  • 16
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    Nature 288 (1980), S. 571-574 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Previous geochronological use of the 176Lu-176Hf decay scheme involved REE-rich minerals1'2 in attempts to determine the half life. Faure3 summarized all physical determinations and suggested a best estimate of 3.5±0.2xl010yr. However, because 176Lu is an odd Z-odd N nuclide, then a ...
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  • 17
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    Nature 288 (1980), S. 578-580 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The inside of the pit of the anterior median eye of P. fimbriata is structureless and must have a refractive index (rc) close to that of saline, about 1.336 (Fig. 2). In glutaraldehyde-fixed material, cut while frozen, the matrix behind the pit was found by inter-ferometry to have a uniform n, a ...
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  • 18
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    Nature 288 (1980), S. 717-718 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The following clues led us to this identification: (1) Deul and Thorn's observation5 that, whereas after either BAL treatment or addition of antimycin electron flow between cytochromes b and c is blocked, the addition of antimycin to BAL-treated preparations causes a block in the reduction of ...
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  • 19
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    Nature 288 (1980), S. 722-724 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The large T antigen, the 55K cellular protein and the small t antigen were the major labelled proteins specifically immuno-precipitated from an SV40-transformed cloned mouse fibroblast cell *215CSC with the SV40 tumour (T) serum1"9, as shown in the left half of the panels of Fig. 1. In the ...
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  • 20
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    Nature 288 (1980), S. 730-733 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To isolate human VK genes, we used the ability of mouse and human V gene sequences to cross-hybridize15. A mouse VK plus constant region cDNA clone derived from MPC11 plasmacy-toma cells16 was used as a probe to screen a library of fragments of human fetal liver DNA17 cloned in the ? phage vector, ...
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  • 21
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    Nature 288 (1980), S. 539-539 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fanduri—a Dorey papuan Epa — a Village of the Mahori papuans. Pictures from "New Guinea: What I did and what I saw" by L. M. D'Albertis reported in Nature 23,16 December, 153, ...
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  • 22
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    Nature 288 (1980), S. 531-531 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Financial crisis threatens the "very existence" of the Weizmann Institute of Science, Israel's private and principal research institution - or at least that is what Weizmann president, Professor Michael Sela, told the governing body recently. But according to the Weizmann Institute Foundation in ...
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Gene A protein, the initiator protein of bacteriophage ΦX174 DNA replication, cleaves synthetic single-stranded oligodeoxyribonucleotides at the same site as the corresponding sequence at the ΦX origin. The results identify the recognition sequence within the decamer CAACTTGATA which is ...
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  • 24
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    Nature 288 (1980), S. 540-540 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] COMETS are the most spectacular bodies in our solar system and the anticipated return of Halley's Comet in 1985-6 has already proved a catalyst for increased cometary research. As the comet nucleus contains, perhaps with the exception of phosphorus, the necessary ingredients for life on this ...
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    Nature 288 (1980), S. 548-551 
    ISSN: 1476-4687
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    Notes: [Auszug] Reconsideration of meridian circle observations with analysis of transits of Mercury and durations of total solar eclipses indicate that there has been no detectable secular change in the solar diameter during the past 250 ...
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  • 26
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    Nature 288 (1980), S. 589-590 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sixty male and sixty female Fischer 344 rats of the colony of the Frederick Cancer Research Center, bred and raised in SPF conditions, were housed in plastic cages with wire-mesh bottoms (five rats per cage). The animals were 6-7 weeks old at the beginning of the experiment, and were randomized ...
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  • 27
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    Nature 288 (1980), S. 442-446 
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    Notes: [Auszug] The correlation between variations of the bathymetry and of the geoid in the Pacific Ocean suggests that both are the surface expression of mantle convection. The planform of the convection which is required to generate the observed anomalies does not consist of rolls but is three dimensional, with ...
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    Nature 288 (1980), S. 455-459 
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    Notes: [Auszug] A protein has been purified from Acanthamoeba which, like cytochalasin B, caps the end of actin filaments normally favoured for monomer addition and inhibits the interactions of actin filaments. In addition, this ‘capping’ protein nucleates the polymerization of actin monomers and ...
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    Notes: [Auszug] F9 12-1 cells are morphologically identical to murine ECCs. In our experiments (Table 1), we were unable to find any unequivocably SV40 T antigen-positive nuclei; however, because it is difficult to estimate nuclear fluorescence in ECCs due to their characteristic growth in clumps of rounded cells, ...
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    Nature 288 (1980), S. 620-622 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Studies of concentrated isolated chromatin by X-ray and neutron scattering have shown dominant structural periodicities at about 110, 55, 38, 27 and 22 A7'14. The intensities and exact positions of these bands depend on ionic composition of the solution and chromatin concentration. Significantly ...
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    Nature 288 (1980), S. 628-629 
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    Notes: [Auszug] To MANY teachers of biophysical chemistry it seems strange to note that over the past two decades instruction on the subject of macromolecules has progressed to a position of marked contrasts. On the one hand, structural descriptions of macro-molecules are based on accurate methods of X-ray ...
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    Nature 288 (1980), S. 630-630 
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    Notes: [Auszug] CDdlo Iringo. Cap.LXXVL E O iringo fie caldo Si humido ncl primo grado : Et laruahumiditacrnagiorcdcllaruacalidita: & quel li ehe uno la radicc condita co melle molriplica il pcr ma:cfa ai coicxx& allodrisaredclla ucrga ; & fa bon nu trimentorDicc fcrapione Si Auiccna :Ec l radicc de ...
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    Nature 288 (1980), S. 425-425 
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    Notes: [Auszug] Washington As widely expected, the US National Science Foundation (NSF) has announced its intention to set up a new directorate for engineering, and to distribute responsibility for applied science - at present administered jointly with engineering - across the foundation's basic science ...
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    Nature 288 (1980), S. 426-427 
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    Notes: [Auszug] The Gierek regime consistently "torpedoed or disavowed" constructive criticisms from its nine-person team of scientific advisers. So claims Professor Alojzy Melich, a member of the team since its inauguration in 1977, in an interview in Trybuna Robotnicza, the daily paper of Katowice (Mr Gierek's ...
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    Nature 288 (1980), S. 428-429 
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    Notes: [Auszug] Kuala Lumpur, November At a time when the new Administration in the United States seems likely to ease up on the stringent regulation of technological products, consumer groups in the Third World are beginning to voice demands for protection against potentially harmful substances and goods like ...
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    Nature 288 (1980), S. 430-430 
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    Notes: [Auszug] SIR-In Dr Halstead's pleas for traditionalism in the Natural History Museum's exhibitions (Nature 20 November, p.208) he makes an assumption that lends much potential support to those whose policies he is so "fervently dedicated" to trying to discredit. It is true that Marxists have attempted to ...
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    Nature 288 (1980), S. 433-433 
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    Notes: [Auszug] The recently-presented budget of Prussia shows that, despite the financial straits of the kingdom, no considerations of economy are allowed to hamper the growth of its scientific and educational system. First on the list come the nine universities with an allotment of 7,050,000 marks (352,500/.). ...
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    Nature 288 (1980), S. 437-438 
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    Notes: [Auszug] A survey of the literature shows that the study of actin filament assembly is positively booming although it is one of the older areas in the contractile protein field. Understanding of the polymerization of many protein polymers grew out of biophysical studies begun in the 1960s on the mechanism ...
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    Nature 288 (1980), S. 322-322 
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    Notes: [Auszug] MOST organic compounds released into the environment are rapidly broken down by the activities of fungi and bacteria. However, certain man-made compounds (xenobiotics) are not quickly degraded. Public concern over the persistence of such compounds stems from their accumulation in food chains and ...
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    Nature 288 (1980), S. 438-438 
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    Notes: [Auszug] In the News and Views article "Lessons from a peptidergic neurone" by B. T. Pickering (13 November, 288,117; 1980) the molecular weights quoted were incorrectly altered by the insertion of 'K' and should instead by read in ...
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    Nature 288 (1980), S. 488-489 
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    Notes: [Auszug] As human chromosomes are lost in mouse x human hybridomas3'4 it is difficult to obtain interspecies hybridomas that secrete human antibodies, because such hybrids must retain both of the two human chromosomes that carry the rearranged genes for the human light and heavy immunoglobulin chains3'4. ...
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    Nature 288 (1980), S. 491-492 
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    Notes: [Auszug] Myosin was detected in the hair cells of the guinea pig cochlea by indirect immunofluorescence using an antiserum raised against human smooth muscle myosin4. Immunofluorescence was visible in very specific areas of the organ of Corti. The stereocilia fluoresced strongly along their length (Fig. ...
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    Nature 288 (1980), S. 312-312 
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    Notes: [Auszug] Sir Keith Joseph, allegedly the British Cabinet's hard man on monetarism and other issues of grand policy, last week published a soft, even muddled, bill for the reorganization of the nationalized British telecommunications industry. The bill, which the government hopes will be law before the end ...
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    Nature 288 (1980), S. 312-313 
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    Notes: [Auszug] Kuala Lumpur Faced with internal racial pressures and a growing concern about academic quality, educational authorities in Malaya seem to be easing up slightly on the harshness of previous measures to reform the country's education system. Two aspects of this policy have come under particular ...
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    Nature 288 (1980), S. 314-314 
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    Notes: [Auszug] Fertilizer production has been hived off from the Soviet Ministry of the Chemical Industry and now merits a ministry of its own, under Minister Aleksei Petrishchev, previously deputy chairman of the State Committee for Material and Technical Supply. At the same time, a new Minister of the Chemical ...
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    Nature 288 (1980), S. 316-316 
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    Notes: [Auszug] SIR - In the article "Medical schools stay" (Nature 6 November, p.6) you say that King's College Hospital Medical School is reprieved. The Flowers Report did not in fact envisage the closure of King's College Hospital Medical School but suggested a fusion with Guy's Hospital, the product to be ...
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    Nature 288 (1980), S. 318-318 
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    Notes: [Auszug] Herr V. Bergso, in a recent work, "Fra Mark og Skov," has given some interesting data in regard to the habits of the Tarentula, Lycosa tarentula, Latr., whose nests he has traced and examined on the Roman Campagna. He found that the nest, which was well rounded and smooth, was approached by a ...
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    Nature 288 (1980), S. 319-319 
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    Notes: [Auszug] AN attractive hypothesis for the control of eukaryotic cell proliferation is that it is regulated at a particular point during the G j period before the initiation of DNA replication. This Gj control has been called the 'restriction point' in mammalian cells (Pardee, A. B. Proc. natn. A cad. Sei. ...
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    Nature 288 (1980), S. 208-208 
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    Notes: [Auszug] SIR-One of the problems associated with Legionnaires' disease lies in the tracking down of the source of infection. Air conditioning systems seem to be prime suspects. So far as I am aware, nobody has thought of looking behind refrigerators. Having had occasion to do this recently, I was taken ...
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    Nature 288 (1980), S. 211-212 
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    Notes: [Auszug] THE climatic environmental history of Africa is a major unknown on a time scale from thousands to millions of years. So far as the Pleistocene is concerned, we are building up a fairly complete picture of the characteristics of climatic change, both on the northern continents and over the oceans. ...
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    Nature 288 (1980), S. 215-217 
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    Notes: [Auszug] THE 200 or so molecular biologists who attended the sixth EMBO symposium* in Heidelberg spent 3 !/2 days discussing gene organization and expression in green plants. The surprisingly large size of the audience might suggest that the organizers had found a patch of fertile ground and that the ...
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    Nature 288 (1980), S. 225-229 
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    Notes: [Auszug] The Voyager missions have revealed that jovian kilometric radiation (emanating from Jupiter's magnetosphere) is beamed away from the zenomagnetic equator. Results from GEOS 1 show that terrestrial non-thermal continuum or myriametric radiation is similarly beamed away from the geomagnetic ...
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    Nature 288 (1980), S. 361-363 
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    Notes: [Auszug] The material (Fig. 1) comprises three uncrushed specimens- the front of the fused mandibles (QM F10613), a single vertebra (QM F10614) and an isolated left scapulocoracoid (QM F10612). These were collected from flaggy limestones of the Toolebuc Formation at an unnamed locality 13 km south of ...
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    Notes: [Auszug] Preliminary experiments indicated that the use of non-irradiated collagen markedly reduced the overall population of glial cells when mesencephalic cells of 13-day-old mouse embryos were cultured with serum. Furthermore, autoradio-graphy of the cultures (Fig. \c) after a 48-h pulse of 3H-thymidine ...
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    Nature 288 (1980), S. 373-376 
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    Notes: [Auszug] Descending thoracic aortas were excised from white, male, New Zeaiand rabbits (2-3 kg), and trimmed free of adhering fat and connective tissue as previously described2. Transverse rings of 2.5-rnm width were cut with scissors or with a special cutting device containing five parallel razor blades. A ...
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    Nature 288 (1980), S. 408-410 
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    Notes: [Auszug] Fig. 1 Projection of the hexagonally packed collagen molecules along their axis. The small distortions of the lattice and the slight (4) tilting of the collagen molecules are not shown. The numbers 1-5 refer to the molecular segments (see lower left) in one 66.8-nm (D) thick transverse section. The ...
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    Nature 288 (1980), S. 410-413 
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    Notes: [Auszug] Many aspects of the structure of collagen fibrils have been satisfactorily accounted for in recent years. The chain conformation in tropocollagen molecules has recently been refined by Fraser et al.13, and the axial striation patterns in positively stained aggregates of collagen have been ...
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    Nature 288 (1980), S. 419-419 
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    Notes: [Auszug] AT A time when the financial outlook for fundamental science may appear bleak, these two volumes should raise the spirits even of the pessimistic. Undaunted, more than 200 scientists and engineers gathered at Tucson, Arizona, in January 1980 to discuss how best to apply the latest technologies to ...
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    Nature 288 (1980), S. 113-113 
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    Notes: [Auszug] MAGNETITE is a remarkable material, as the first users of lodestones were well aware. When reasonably pure, it looks and feels like a metal. Lumps of magnetite such as can be picked up in some iron mines even sound metallic when struck or thrown to the ground. It is therefore worth recalling that ...
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    Nature 288 (1980), S. 117-118 
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    Notes: [Auszug] SECRETED polypeptides are known to begin their lives as parts of larger precursors but for many biosynthetic pathways the question persists of 'how large is larger*. This question has recently been asked for the precursors of vasopressin by Paul Cohen and his associates in Paris (Proc. natn. ...
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    Nature 288 (1980), S. 243-246 
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    Notes: [Auszug] The far UV photolysis of various CH4-NH3 mixtures was carried out under a total pressure of 13 mbar into a cylindrical all-pyrex reactor (/ = 35 cm; i.d. = 4 cm) with a low-pressure Xe-lamp attached (window, MgF2; ? = 147 nm, monochromatic; flux emitted = 8 x IO15 photon s"1). The apparatus has ...
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    Nature 288 (1980), S. 250-252 
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    Notes: [Auszug] The iron ore reserves of the Hamersley Iron Province exceed 33 x 109 tonnes, much of it contained in huge ore bodies, some of theai exceeding 5 km along strike and extending below the present water table to as much as 400m down dip. They conform to the bedding of the host BIF and, in common with ...
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    Nature 288 (1980), S. 149-150 
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    Notes: [Auszug] The extended extragalactic double radio sources—quasars, BL Lac-type-objects (blazars), and radio galaxies—are commonly interpreted as synchrotron sources in which extremely relativistic electrons gyrate in enhanced magnetic fields. The detection of narrow emission bridges between hot ...
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    Nature 288 (1980), S. 162-164 
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    Notes: [Auszug] The experimental design is shown in Fig. 1. Axons originating from expiants of chick retina grow through a zone where they are simultaneously exposed to two different cell types (retinal and tectal cells) and where they may 'choose' the more attractive one. A retinal expiant is spread on a black ...
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    Nature 288 (1980), S. 277-278 
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    Notes: [Auszug] Table 1 compares the activity for JV-methylation of phosphatidylethanolamine in rat liver microsomes with the highest activity reported for several other membrane preparations. The activity in the microsomes from adrenal medulla is 100-fold lower than in liver microsomes and 1,000-fold lower in the ...
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    Nature 288 (1980), S. 290-293 
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    Notes: [Auszug] The cloned ? lymphoma lines chosen for study were STRij-4-2.2 (ST4), STRij-1.3 (ST1), WEHI-22.1 (W22), EL-4.1 (EL4) (described in rf. 8) and WEHI-112.1 (W112): they contained 33, 1.5, 3, 1.5 and 30-50 molecules of C" RNA per cell, respectively. In addition, two B lymphoma cell lines, WEHI-231 ...
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    Nature 288 (1980), S. 301-301 
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    Notes: [Auszug] SMITH AND PiLBEAM1 have argued that "the available evidence .,. justifies the concept of a Pliocene orang-utan ancestor at least as terrestrial as the modern chimpanzee". It is, however, questionable whether they have established their thesis as equally, or more, plausible than the one they wish to ...
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    Nature 288 (1980), S. 302-303 
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    Notes: [Auszug] JEMMERSON AND MARGOLIASH'S article1 raises provocative questions about immunological unresponsiveness to self-antigens. They found that the autoantigenic sites on rabbit cytochrome c correspond to those regions in the molecule where other mammalian cyto-chromes c differ, and suggested that archaic ...
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    Nature 288 (1980), S. 193-193 
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    Notes: [Auszug] KEMP1 has recently hypothesized that "the synapsid [mammal-like reptile] skull evolved from a limnoscelid-like skull rather than from that of a romeriid, and that the temporal fenestra of the mammal-like reptiles evolved directly from the remnant of the crossopterygian hinge line". This disagrees ...
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    Nature 288 (1980), S. 681-684 
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    Notes: [Auszug] PSR1237 + 25 is nearby (at an estimated distance of 300 pc) and also bright (with a peak flux of 100 Jy at 430 MHz). Despite the complexity of the intensity profile, the position angle remains virtually constant during each pulse. Assuming that the radiation's plane of polarization maintains a ...
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    Nature 288 (1980), S. 690-692 
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    Notes: [Auszug] The phosphorites of the present study were recovered from the outer continental shelf and upper slope between 29 and 32 S (Fig. 1). In this region, the shelf is fairly narrow (25-40 km) and the slope is unusually steep, with the major shelf break occurring at depths9*10 between 210 and 450 m. A ...
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    Nature 288 (1980), S. 699-700 
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    Notes: [Auszug] Environmental fluctuations were created by altering the amount of culture medium (95% unbleached wheat flour, 5% brewer's yeast by weight) between 32 and 8 g at regular intervals. This experimental regime represents fluctuations in carrying capacity, for Tribolium population size is known to be ...
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    Notes: [Auszug] The distribution of OLPs in the sucrose-D2O density gradient used to purify noradrenergic LDVs is shown in Fig. 1. Of the original peptide activity layered onto the density gradient (SN15), 14.6% is soluble and remains above the buffer zone. About 90% of the recoverable, sedimentable OLP material ...
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    Nature 288 (1980), S. 713-715 
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    Notes: [Auszug] Recent work has demonstrated that cultured LI 210 cells attach tightly to large (70 ??) Sephacryl beads coated with Cbl-TCII8. Although the binding of numerous cells (-150 cells per bead) somewhat obscured the contact zone between the bead and the cell, it was apparent that cellular microvilli made ...
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    Nature 288 (1980), S. 720-722 
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    Notes: [Auszug] The experiments involved plating cultures at high density and low serum content in 35-mm plates in medium containing 0.5% chicken serum (see Fig. 1 legend), and maintaining them at either 41.5 or 35 C for 36-48 h before starting an experiment. DNA synthesis was followed by staining cells with ...
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    Nature 288 (1980), S. 729-730 
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    Notes: [Auszug] Hb and its isolated subunits were prepared from fresh human adult blood using standard procedures . Aqueous solutions of the proteins at pH 7.0 (0.1 M potassium phosphate buffer) were degassed by pumping, and potassium dithionite was added to eliminate the last traces of oxygen. The CO-complexes ...
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    Nature 288 (1980), S. 739-739 
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    Notes: [Auszug] INTEREST in research on the biological effects of small negative air ions has been due to the variety of claims made for them, ranging from lethal effects on microorganisms to therapeutic effects on humans1"3. In spite of the promising results reported, there has been a lack of understanding of the ...
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    Nature 288 (1980), S. 741-742 
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    Notes: [Auszug] THE activities of thinking and observing which are involved in the pursuit of scientific knowledge occur in a setting of many other activities and institutions which are not themselves scientific knowledge but which are indispensable to it. These include the intellectual relationships among ...
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    Nature 288 (1980), S. 743-744 
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    Notes: [Auszug] HUMPHRY Davy, chemist and inventor, lectured on a variety of scientific subjects at the Royal Institution in London between 1801 and 1812. From 1805 onwards he gave a course of ten lectures in geology. Happily, full hand-written notes on eight of his lectures have been preserved, and with two ...
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    Nature 288 (1980), S. 527-528 
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    Notes: [Auszug] Washington A patent was awarded last week covering some of the fundamental techniques used in recombinant DNA research and developed by Dr Herbert Boyer of the University of California, San Francisco, and Dr Stanley Cohen of Stanford University. The patent covers a process developed in the early ...
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    Nature 288 (1980), S. 529-530 
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    Notes: [Auszug] The US National Institutes of Health (NIH) are facing a virtual revolt from local Institutional Biosafety Committees (IBCs) over whether there is still a need for strict surveillance of research using recombinant DNA techniques. At a meeting in Washington organized by the National Institute of ...
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    Notes: [Auszug] Yugoslavia could shortly face economic collapse if the planners fail to make proper use of the country's scientific personnel. This is the opinion of Dr Ivan Supek, the Yugoslav physicist and philosopher, in London this week for a Pugwash meeting. Yugoslav scientific and academic life, says Dr ...
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    Nature 288 (1980), S. 532-532 
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    Notes: [Auszug] SIR - Although your editorial of 27th November 1980 on the reorganization of London Medical Schools has some hard things to say about London University in general and some of its senior members in particular, for these your writer may perhaps be forgiven, since they are largely matters of opinion. ...
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    Notes: [Auszug] In the article by David Dickson on the likely consequences of the election of Mr Ronald Regaan as President of the United States, published on 13 November, the likely changes in US science policy were described as "Plusses" and "Minuses", not as "Winners" and "Losers" as in the original article. ...
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    Nature 288 (1980), S. 533-535 
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    Notes: [Auszug] Two controversial questions dominate research on the development of the nervous system. The first, which has the longer history of controversy, is that of how growing nerve fibres make specific connections with their targets. The second is that of the extent to which neurotrans-mitter specificity ...
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    Nature 288 (1980), S. 537-537 
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    Notes: [Auszug] THE FIRST OBSERVATIONS of molecular emission in the far infra-red (IR) from an interstellar cloud have been made by a team at the University of California (D.W. Watson, J.W.V. Storey, C.H. Townes, E.E. Haller and W.L. Hansen Astrophys. J. 239, L129; 1980). These observations were made from the NASA ...
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    Nature 288 (1980), S. 541-544 
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    Notes: [Auszug] Observing conditions at the geographic South Pole enable modes of global solar oscillations and theoretical models of the internal solar structure to be ...
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    Nature 288 (1980), S. 551-556 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Cloned capillary endothelial cells, cultured in tumour-conditioned medium, form capillary tubes. By light and electron microscopy these tubes resemble capillaries in vivo. This first demonstration of angiogenesis in vitro: (1) shows that all the information necessary to develop an entire capillary ...
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    Nature 288 (1980), S. 569-571 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The formation of vitrified ice from pure liquid water is demonstrated by the differential thermal analysis (DTA) warm-up curve of a jet-frozen emulsion of pure water (Fig. Ib). The exothermic peak at 150 K occurs at the temperature*reporte for the devitrification of amorphous ice prepared from ...
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  • 90
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    Nature 288 (1980), S. 577-578 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The analytical procedure was carried out in 125-ml glass bottles (Hungate method)5 and 455-ml cans. Both types of vessels were equipped with silicone rubber septa2 and shown to be gas tight by injecting a positive pressure of helium and testing with an electronic helium leak detector (Gow Mac). ...
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  • 91
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    Nature 288 (1980), S. 585-587 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Strips of dog antral circular smooth muscle were prepared as described previously8. In each preparation aequorin9'10, dissolved in 150 mM KC1, 5 mM HEPES, pH 8.0, was pressure-injected through glass micropipettes into 20-60 cells over an approximately 1-mm2 area. Light from the aequorin-injected ...
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    Nature 288 (1980), S. 592-594 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Mice carrying two mutant alleles at the steel locus (Sl/Sld) exhibit pleiotropic defects, including macrocytic anaemia, sterility and defective pigmentation6. Transplantation studies have suggested that the haematopoietic defect in these mice is in the cellular microenvironment in which normal ...
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  • 93
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Reaction of SPDP with molecules containing primary amino groups results in the introduction of dithiopyridyl groups through the formation of amide bonds and release of AT-hy-droxysuccinimide5. Protein-bound dithiopyridine (DTP) can be readily activated as the thiol derivative by reduction with ...
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  • 94
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    Nature 288 (1980), S. 610-613 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Restriction enzyme cleavage map of the cloned rat POMC gene. A rat genomic DNA library was constructed by cloning, in the bacteriophage ? vector Charon 4A (rf. 35), fragments of rat (Long-Evans) DNA produced by partial digestion with the restriction enzymes Haelll and Alul10. This library ...
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  • 95
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    Notes: [Auszug] We have recently reported the synthesis and molecular cloning into the plasmid pBR322 of complementary DNA (cDNA) molecules corresponding to the VSGs of four variants of a single clone of T. brucei7. As extensive amino acid sequence data on one of these VSGs (VSG 117) already existed (G. Allen, ...
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    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 629-629 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MOST lipid-containing animal viruses bud from either the plasma membrane or internal membranes of infected cells. Much of our knowledge of the structure and assembly of membrane components has come from the use of defined virus model systems. These two volumes represent a noble and needed attempt ...
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    Nature 288 (1980), S. 424-424 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The British government's proposals for the reorganization of the British Post Office (see Nature 27 November) seem calculated to win the worst of all possible worlds for everybody concerned, but the hapless users of telecommunications systems in particular. The chief purpose of the bill soon to ...
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    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 425-426 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Brussels France's policy of siting nuclear power stations on its frontiers has aroused antagonism both in the European Parliament and among environmental groups. The European parliament met on 19 November to discuss a report by Mechthild von Alemann (German, Liberal) which reflected the concern ...
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    Nature 288 (1980), S. 427-427 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] One hundred and six Fellows of the Royal Society, including four Nobel Prize Winners, (Sir Nevill Mott, Sir Max Perutz, Sir George Porter, and Dr Fred Sanger) have sent the following telegram to the Soviet Delegation to the Madrid Review Conference. "The arrest of Dr Brailovskii is a cause of ...
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    Nature 288 (1980), S. 429-429 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The British government is hoping that its new Wildlife and Countryside Bill, introduced in the House of Lords last week, will be law by the end of next summer. Its passage through parliament, however, may not be easy. The bill has taken a long time to compile, preliminary consultation papers having ...
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