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  • 1
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 643-644 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A welcome sign of the healthy state of theoretical physics today is the breakdown of the barriers which are insisted upon by grant-giving bodies and by most physics departments. Our research students in Britain, for example, must be strictly divided into astrophysicists (responsible to the SRC ...
    Materialart: Digitale Medien
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  • 2
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 647-648 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THERE can be two ways of looking at the extraordinarily large amounts of DNA in the eukaryotic genome. One is to keep looking for functions (mostly of a non-conventional nature, for example, determining nucleotypic effects1), and the other is to realise that lack of function is precisely what one ...
    Materialart: Digitale Medien
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  • 3
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 651-656 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Siderophilic element concentrations are high in sediments from the Cretaceous–Tertiary boundary. An extraterrestrial source is indicated. Concentrations are too high to be understood in terms of the impact of a chondritic asteroid. Either the projectile was a metal-sulphide core or the ...
    Materialart: Digitale Medien
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  • 4
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 631-631 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Between now and 20 January, when Mr Ronald Reagan will be inaugurated as president of the United States, much important business elsewhere will be conducted in a vacuum. So much is clear from last week's meeting of the NATO Council in Brussels. Many of those present seem to have been as ...
    Materialart: Digitale Medien
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  • 5
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 638-638 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - May someone who is not by profession a scientist join in your controversy about "Museum pieces"? For like so many other non-scientists I do have a strong interest here, and that an interest of the kind which surely ought, in the present case, to be overriding. That is to say, I am a devoted ...
    Materialart: Digitale Medien
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  • 6
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 659-664 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The origin of the sediments of the Canterbury Suite to the east of the Alpine Fault in New Zealand, cannot have derived from Marie Byrd Land before or during the breaking up of Gondwanaland. It is argued that the sediments may have derived from the lost continent of Pacifica, which is supposed to ...
    Materialart: Digitale Medien
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  • 7
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 669-674 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Two independent, three-dimensional structures of yeast tRNAAsp, mainly differing by the conformation of the D loop, have been obtained from a multiple isomorphous replacement (MIR) X-ray analysis at 3.5-Å resolution. The folding of the ribose–phosphate backbone is similar ...
    Materialart: Digitale Medien
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  • 8
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 684-686 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The data were obtained with a balloon-borne mass spectrometer, flown on 16 June 1980 with a 100,000m3 stratospheric balloon at mid-latitude (CNES launching base at Gap-Tallard, France, 4433'N). The instrument was launched at 20.38 UT and reached float altitude (34 km) at 22.50 ?t, time at which the ...
    Materialart: Digitale Medien
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  • 9
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 692-694 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 Textures of Kopi boninite. a, Acicular crystals and skeletal chains of augite, and a few lozenges of pigeonite jacketed by augite. Field width, 1.3 mm. b, Spinifex texture; oriented blades of chlori-tized pigeonite rimmed by augite, and a few, dark, cross-cutting olivine dendrites. Matrix is ...
    Materialart: Digitale Medien
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  • 10
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 700-702 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Electrophysiological recordings were made on summer forms of P. xuthus collected from a wild population in June 1980. For anatomical studies we used spring forms reared on a semi-artificial diet in the laboratory at 20 C and with a 8L:16D light regime. We found that two (N5, N6) of the six pairs ...
    Materialart: Digitale Medien
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  • 11
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] GHL was synthesized by coupling 7Va-t-butyloxycarbonyl-7V'm-benzyloxycarbonyl-L-histidine to benzyl Ne-benzyloxy-carbonyl-L-lysine using a mixed anhydride procedure involving isobutyl chloroformate and ?-methyl morpholine to yield benzyl Na -t-butyloxycarbonyl-Nim ...
    Materialart: Digitale Medien
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  • 12
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 718-720 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Synthesis of CaBP is not optimal until after maximum stimulation of calcium transport by 1,25-(OH)2D3 (rf. 3)-there is significant stimulation of calcium transport before any CaBP can be detected in the intestinal cell. Thus CaBP cannot have a direct effect on calcium transport and other factors ...
    Materialart: Digitale Medien
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  • 13
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Mer4" and Mer strains were treated with 14C-MNNG and analysed directly following and 20-h after treatment for DNA-bound O6-MeG and AT7-MeG (A/^-methylguamne; see Table 1). O6-MeG is not removed appreciably from the DNA of Mer strains over the 20-h incubation period. However, the amount of O6-MeG ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 14
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 735-738 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] An anomalous region has been identified on Mars from the 1971 and 1973 Earth-based Goldstone radar data. This region is characterized by coincident very high radar reflectivities, and unusual smoothness. Very few realistic surface morphologies can generate such return-signals. Liquid water within ...
    Materialart: Digitale Medien
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  • 15
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 740-740 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SCHIESSEL ET AL. REPLY-We acknowledge the validity of the argument that PGE2 cannot alter the trans-concentration effect because replacement anions which do not exchange for Cl, were used in the secretory solution, and we were aware of that fact. In these experimental conditions, however, failure ...
    Materialart: Digitale Medien
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  • 16
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 744-744 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE editors of this large book are also the main contributors as authors or co-authors of 11 of the 15 chapters. Their aim, according to the preface, is to discern basic regulatory principles and to embody these in a theoretical approach which can be applied to any set of metabolic reactions. ...
    Materialart: Digitale Medien
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  • 17
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 628-628 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THIS large book is an attempt to present the basic ideation behind two fields of biology - population genetics and ecology - and to initiate the merger between the two which has long been overdue. Population genetics had a pre-Mendelian start with Galton, but, of course, it was the discovery of the ...
    Materialart: Digitale Medien
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  • 18
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 630-630 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A NEW pair of facsimiles reprints the first Latin and the first vernacular herbals published in Italy, the former in 1481, the latter in 1522. The 1481 book, probably the earliest illustrated herbal printed, is the Herbarium of Pseudo-Apuleius, a Graeco-Roman compilation with mediaeval trimmings, ...
    Materialart: Digitale Medien
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  • 19
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 528-528 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Genentech, the California-based biotechnology company, will begin clinical trials of its latest genetically-engineered product, human growth hormone (HGH), in London this January. But Genentech's industrial partners in the venture, Kabi Vitrum AG of Sweden, are somewhat ambivalent about the ...
    Materialart: Digitale Medien
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  • 20
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 532-532 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR- Your United States election Scoreboard of plusses and minuses (Nature 13 November, p. 107) scores the President-elect's statement that he would explore the feasibility of a "science court" as a "plus". This seems only justifiable if one regards a statement that feasibility will be explored as ...
    Materialart: Digitale Medien
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  • 21
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 535-535 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] AMMONITES are an extinct group of Cephalopods that flourished during the Mesozoic era 240 to 65 million years ago. Their world-wide distribution and speed of evolution, reflected in distinctive shell features, makes them the most useful macrofossils in the Mesozoic for relative dating of rocks. ...
    Materialart: Digitale Medien
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  • 22
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 536-538 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ALMOST thirty years after the pioneering work of A. W. Gledhill and C.H. Andrewes at the Mill Hill laboratories established the essential features of murine hepatitis virus (MHV) infection (Brit. J. exp. Pathol. 32, 559) the first international conference on the coronavirus group, of which MHV is ...
    Materialart: Digitale Medien
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  • 23
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 540-540 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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 ...
    Materialart: Digitale Medien
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  • 24
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 548-551 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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 ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 25
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 567-569 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The variety of phenomena observable in the Taylor experiment can be classified in terms of a Reynolds number R whose value fixes dynamical similarity for given proportions of the annular space filled by the fluid: say, R = lr^d/v, where O is the angular velocity of the inner cylinder, r ? its ...
    Materialart: Digitale Medien
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  • 26
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 576-577 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Sensitivity is a measure of the loss in strength which occurs when a soil is disturbed or remoulded. In extreme cases the undisturbed soil strength can be several hundred times as great as the remoulded strength2. The ratio of undisturbed to remoulded strength indicates the sensitivity (St). Soils ...
    Materialart: Digitale Medien
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  • 27
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 522-523 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Mathematics EDWARDS, B. The Readable Maths and Statistics Book. Pp.328. Hbk ISBN 0-04-31007-4. (Allen & Unwin: 1980.) Hbk £15; pbk £6.95. JACOBS, O.L.R. etal. Analysis and Optimisation of Stochastic Systems. Based on the Proceedings of the International Conference held at the ...
    Materialart: Digitale Medien
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  • 28
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 311-311 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Harvard University's flirtation with the commercial exploitation of recombinant DNA research came to an end last week. After a period of agonizing and second thoughts by the faculty and administration (see Nature 20 November), the president of the university, Dr Derek Bok, put out a statement that ...
    Materialart: Digitale Medien
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  • 29
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 314-314 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Dacca Better use of the existing facilities and manpower for scientific research and development are given special attention in the Bangladesh government's Second Five-Year Plan, now published. In research and development, priority is given to agriculture, light and heavy industry, energy ...
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  • 30
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 627-627 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] PETER Leonidovich Kapitza was born on July 9, 1894, and began his scientific work in the Polytechnic Institute of St Petersburg, from which he graduated in 1918. In 1921 he was sent by the Soviet authorities to work under Lord Rutherford in Cambridge, where he stayed until 1934, the Royal Society ...
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  • 31
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 629-630 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE production of subsurface temperature maps for an area the size of the European Economic Community is an undertaking that requires a degree of faith. If it can be assumed that the available, sparsely distributed, temperature and thermal conductivity data adequately characterize the near-surface ...
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  • 32
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 423-424 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Harvard University's decision (see Nature 27 November) not to become a minority partner in a commercial venture to exploit recombinant DNA technology will have more than merely parochial consequences. Although it is probably no longer the case that universities in the United States and even ...
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  • 33
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 425-425 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Washington The US Department of Justice has given the green light to research programmes jointly sponsored by two or more private companies, arguing that in general - and provided certain criteria are respected - these should not conflict with the country's strict anti-trust legislation. ...
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  • 34
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 359-361 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Conodonts consist of carbonate apatite and trace amounts of organic material5 and their structure consists of concentric lamellae, usually around a single growth centre. Lamellae of many conodonts average 2-3 ?? thickness, with some inter-lamellar spaces of 0.5-1.0 ?? thickness6. Individual ...
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  • 35
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 380-382 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The ninth and tenth ganglia of the bullfrog, the two most caudal ones in the paravertebral sympathetic chain, were used in these experiments because extensive electrophysiological studies have used them. By using several anti-LHRH sera raised in different laboratories, and the ...
    Materialart: Digitale Medien
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  • 36
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 434-436 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] ENDOCYTOSIS is an elegant biological solution to two related needs of living cells - the need to retrieve material bound to the plasma membrane and the need to recover the membrane itself. But what components of the membrane enter the cell and what happens to them? Exogenous ligands - nutrients or ...
    Materialart: Digitale Medien
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  • 37
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 438-438 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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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  • 38
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 396-397 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Various strains of mice were injected separately with 100 of V"5 and V£15 (carrier) and 200 g of hapten coupled to bovine serum albumin (BSA). The hapten was the (4-hydroxy-5-iodo-3-nitrophenyl)acetyl (NIP) group. The Th responses to the two carrier antigens were determined by transferring ...
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  • 39
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 404-406 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The yeast DNAs that we have used to locate homologous Aspergillus sequences by hybridization are derived from the mtDNA of particular well defined petite (p) deletion mutants of yeast. The deletion is usually large and sometimes leaves as little as 0.1% of the mitochondrial genome intact, so that ...
    Materialart: Digitale Medien
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  • 40
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 413-414 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The exchange rate of the five protons involved in the hydrogen bonds between guanosine and cytosine residues in poly(dG-dC). poly(dG-dC) were measured at two different ionic strengths (1 M NaClO4 and 3 M NaClO4). As Fig. 1 shows, there is dramatic difference between the two hydrogen exchange ...
    Materialart: Digitale Medien
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  • 41
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 314-314 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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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  • 42
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 421-422 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Astronomy BHME et ai (eds). Astronomy and Astrophysics Abstracts. Vol. 26, Literature 1979, Part 2. Pp.794. ISBN 3-540-10134-9. (Springer-Verlag: 1980.) DM 118, $69.70. HOGNER, W. and RICHTER, N. Isophotometric Atlas of Comets, Part 1. Pp.90 (loose-leaf binder). ISBN 3-540-09171-8. ...
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  • 43
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 203-203 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The UK Science Research Council (SRC), which could not say (see Nature 13 October) how many research grants were outstanding at the end of the last financial year because of a computer oversight, has now produced reliable figures. According to the revised account, 3,933 grants were current on 31 ...
    Materialart: Digitale Medien
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  • 44
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 205-205 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The parallel research programmes of the European Economic Community (EEC) and Canada on the storage of radioactive waste are to be linked, A five-year agreement was signed in Brussels on 3 November between the European Atomic Energy Community (Euratom) and Atomic Energy of Canada Ltd. It follows on ...
    Materialart: Digitale Medien
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  • 45
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 206-207 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Germany has a new Minister for Science and Technology: 43-year-old Andreas von Bülow, who since 1976 has been Parliamentary Undersecretary of State for Defence. The Bundesministerium für Forschung und Technologie BMFT is Dr von Bülow's first ministerial appointment - as it was for ...
    Materialart: Digitale Medien
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  • 46
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 208-208 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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 ...
    Materialart: Digitale Medien
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  • 47
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 211-212 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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. ...
    Materialart: Digitale Medien
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  • 48
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 225-229 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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 ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 49
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 236-241 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The genes coding for the three membrane polypeptides of Semliki Forest virus have been sequenced and the primary structures of the proteins deduced. The amino acid sequence gives further insight into how the transmembrane structure of the three-chain virus membrane glycoprotein is generated in the ...
    Materialart: Digitale Medien
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  • 50
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 385-387 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Table 1 A requirement for protein synthesis during tolerance induction % Of control Age of donor cells Experimental group response* 1-3 day neonatal Tolerogen (DNP10-OVA) 28.5 ±7.0 1-3 day neonatal Puromycin alone 87.5±12.7 1-3 day neonatal Tolerogen -I- ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 51
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 391-393 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Peripheral blood lymphocytes (PBL) from six healthy donors were stimulated in vitro with PHA. The cultures were maintained for 30 days by repeatedly changing the culture medium. After 3, 8,11,18 and 23 days, 5 x IO6 activated cells were taken from the suspension cultures and divided into two ...
    Materialart: Digitale Medien
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  • 52
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 397-399 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 Cross-reactivity of SSA with sperm of four species visualized by the immunoperoxidase procedure. Approximately equal numbers of spermatozoa (5xl08ml1) were used for each reaction (tube on left,SSA; tube on right, preimmuneserum), a, 5. purpuratus (sea urchin); b, Rattus norvegicus (rat); c, ...
    Materialart: Digitale Medien
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  • 53
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 373-376 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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 ...
    Materialart: Digitale Medien
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  • 54
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 410-413 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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 ...
    Materialart: Digitale Medien
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  • 55
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 419-419 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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 ...
    Materialart: Digitale Medien
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  • 56
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 201-202 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Even the most embittered opponents of nuclear power must be surprised at the good luck that has come their way in the past few months. First, there was the accident at Three Mile Island in March 1979, the chief casualty of which was the reputation of the US Nuclear Regulatory Agency. In the wake of ...
    Materialart: Digitale Medien
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  • 57
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 204-204 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Strasbourg The European Science Foundation ended its annual general assembly here last week (13 November) in a vaguely hesitant frame of mind. Unlike previous assemblies, this was less a general amplification of the enthusiasm for international collaboration of member organizations (now 47 ...
    Materialart: Digitale Medien
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  • 58
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 205-206 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] British Nuclear Fuels Ltd (BNFL) whispered last week its intention to use the French AVM process for vitrifying highly active nuclear waste emerging from the Windscale reprocessing plant, thus bypassing the British "Harvest" vitrification research programme which has been under way at Harwell. ...
    Materialart: Digitale Medien
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  • 59
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 207-207 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Bangalore Mrs Gandhi's new government seems to have taken the environment to heart, to judge from the spate of decisions since the election at the beginning of the year and the appearance of the environment in the newly published Sixth Development Plan. In recent years, environmental abuse in ...
    Materialart: Digitale Medien
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  • 60
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 208-208 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - Your correspondent's comments on the US inertial-confinement fusion (ICF) programme contains a minor inaccuracy (Nature 16 October p.573). University of Rochester scientists have, in fact, frequency-tripled the output of their glass laser thus converting the 1.054 ?? light to 0.3513 ?? ...
    Materialart: Digitale Medien
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  • 61
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 204-204 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Both the new research projects approved by the 1980 assembly are in the social sciences. One, under the rubric of "comparative law", and to which ten countries have agreed to contribute, includes an attempt to define and compare the medical responsibility within Europe. The study will include the ...
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  • 62
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 204-205 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Washington After a period of considerable uncertainty, scientists in the two main fusion energy programmes at the US Department of Energy's Lawrence Livermore Laboratory in California are confident that recent technical advances are given a significant boost to the chances of being able to exploit ...
    Materialart: Digitale Medien
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  • 63
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 207-207 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] States with substantial nuclear industries should do everything they can to avoid strategic nuclear attacks. That is one of the inevitably ironical conclusions of a study of catastrophic nuclear radiation releases by Steve Fetter and Kosta Tsipis of the Program in Science and Technology for ...
    Materialart: Digitale Medien
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  • 64
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 278-279 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] From papers published in our own and other laboratories, Vance and de KruijfT make calculations showing that phos-pholipid methylation activities observed in a variety of tissues and cells are very low. They then argue that because of these low enzyme activities, all the reported findings on the ...
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  • 65
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Thiorphan was designed to interact with critical residues of the active site of enkephalinase, as postulated on a hypothetical model (Fig. 1). The model was developed on the assumption that binding of enkephalins to this active site occurs in a manner analogous to that established at the molecular ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 66
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 296-298 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Although actin is one of the most abundant proteins found in nature, little detailed information about its molecular structure is available beyond the amino acid sequence1,2. Electron microscopy of negatively stained filaments combined with three-dimensional image reconstruction ...
    Materialart: Digitale Medien
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  • 67
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 301-302 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] I WISH to raise two points concerning the discussion and conclusion in a recent report by Hirst and Nield1, First, evidence quoted to illustrate that a portion of sympathetic postganglionic transmission is resistant to adrenorecep-tor antagonists was derived from work on rodent vasa deferentia: ...
    Materialart: Digitale Medien
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  • 68
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 290-293 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [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 ...
    Materialart: Digitale Medien
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  • 69
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 306-306 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] PROBLEMS associated with contamination of the environment by traces of heavy metals are of considerable concern to many scientists and laymen. Somewhat strangely, relatively little interest is shown in the equally important problems associated with deficiencies of the trace elements that are ...
    Materialart: Digitale Medien
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  • 70
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 307-307 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THERE is a romantic appeal about certain of the world's biomes which defies scientific explanation. What is there about desert, rain forest and tundra which excites the imagination, and why does the savanna lack the same magic? It was a similar concern which led David Harris to coordinate the ...
    Materialart: Digitale Medien
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  • 71
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 307-308 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE true slime mould, Physarum polycephalum, has a respected position in the catalogue of lower eukaryotes used for studies of cell biology in general and of differentiation in particular. Two features of its complex life cycle are of especial interest: first, the high degree of synchrony that is ...
    Materialart: Digitale Medien
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  • 72
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 107-108 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Washington A big step for US politics, but a relatively small step for US science seems to be the main verdict on last week's presidential and congressional elections, with scientists unlikely to suffer as much from a swing to the right as other recipients of government spending. President-elect ...
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  • 73
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 109-109 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The UK Science Research Council is in a financial mess. But nobody can say how serious the trouble is, because figures and tables released in the 1979-80 annual report last week are wrong. The SRC now confirms the misuse of a computer program, as a result of which some research grants which have ...
    Materialart: Digitale Medien
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  • 74
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 110-111 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The formation of Celltech Limited, the first British company predominantly concerned with the exploitation of biotechnology, was completed on 6 November, according to an announcement earlier this week from the National Enterprise Board (NEB), the public corporation supported with public funds. The ...
    Materialart: Digitale Medien
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  • 75
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 112-112 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR-Your journal of 11 September contained a short article by Vera Rich about a conference in the Hague devoted to the "Sakharov affair". On the basis of this article (and I have no ogrounds for doubting its accuracy, so my grievances are not directed at the author and editors) I was left with the ...
    Materialart: Digitale Medien
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  • 76
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 115-116 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THAT active forms of polypeptides can be generated from inactive forms by pro-teolytic cleavages is an idea dating back to the discovery of precursor forms of gastrointestinal proteases (zymogens) in the early thirties. This type of activation is now known to occur with polypeptide hormones, ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 77
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 111-111 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The 1979-80 report makes the following specific points: Neutron therapy. Another £1 l/i million is needed by the end of this year to buy and set up a new cyclotron for neutron therapy research at Clatterbridge Hospital, Liverpool - which would thus overtake the Hammersmith Hospital, London, ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 78
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 114-115 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE observation of quasi-stellar objects (QSOs) in the ultraviolet (UV), made possible by rocket and satellite developments in the past few years, promises to help decide between alternative explanations of some properties of these still puzzling objects. One of the latest developments is that ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 79
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 133-137 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A simple repeating unit of the rye genome, previously known in tandem arrays, has now been shown to occur also in more complex repeating units. One such unit has been cloned and found to contain some sequences unrelated to the simple repeat. It is proposed that tandem arrays of complex repeats are ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 80
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 152-154 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The adsorption of I2, from aqueous KI3 solution, on carbon was chosen as a test system as it has been widely studied and also because it is particularly suited to X-ray investigation in view of the large scattering cross-section of I2 with respect to carbon. The adsorbent chosen was Papyex; a ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 81
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 159-161 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Deafness mice were bred in our laboratory from stock obtained from M.S. Deol, University College, London. Htrozygotes (+/dn) were used as controls, and were distinguished from their homozygous (dn/dn) littermates by the failure of the latter to exhibit Preyer reflex in response to a metallic ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 82
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] To answer this question, we have cloned in Escherichia coli double-stranded complementary DNA (cDNA) copies of the transforming mRNAs from region ??? of ad 12 and compared their structures and their translation products with those of the corresponding mRNAs of ad5 (rf. 9) and ad? (rf. 10). The ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 83
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 181-183 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The high-speed polarographic technique was developed from systems being used for evaluating catecholamine levels in the central nervous system9'10. Our system differs principally in that it is some hundreds of times faster, is carried out at the single-cell, rather than macrocellular, level, and ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 84
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 288 (1980), S. 198-199 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] PRICE'S thoughtful and ambitious little book is an ecumenical overview which considers phytophages, parasitoids and hemiparasitic green plants, as well as the subjects of classical parasitology, as functional analogues. Such general perspectives have not been of great interest to parasitologists, ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 85
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 270-270 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR-The recent News and Views article by Richardson and White (Nature 10 July)1 and correspondence in your columns2 have been concerned with the relative merits of two ways of using geothermal energy - district heating and electricity generation - and there does not seem to be much to choose ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 86
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 270-270 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR-In a recent News and Views article (Nature, 5 June)1, Snyder expressed the view that phencyclidine - currently all the rage among drug-abusers in the United States - might provide a good pharmacological model of schizophrenia. In the course of his paper he makes a comparison with LSD-25 which, ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 87
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 270-270 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] SIR - I am writing in response to the note on interferon nomenclature which appeared recently in Nature (10 July 1980; 286, 110). I recognize that the previous nomenclature is less than ideal because the names ("leukocyte", "fibroblast" etc.) now refer to molecular classes of interferons rather ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 88
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 271-272 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE discovery by Lvque and Vandermeersch1 of the fragmentary remains of a skeleton of classic neanderthal type in a Chtelperronian archaeological layer at Saint-Csaire (Charente-Maritime, France), raises once again the problems of the replacement c. 34,000 BP of the neanderthal population (Homo ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 89
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 284-291 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] CENTRAL to the concept of plate tectonics are the assumptions that astrong lithosphre overlies a weaker asthenosphere, and that lithospheric plates are undeformed except at their boundaries. Because the evolution of the Earth's surface from the standpoint of plate tectonics has gained widespread ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 90
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 297-300 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THE interaction of a hormone or neurotransmitter receptor with the next component along the pathway of signal transmission can be defined as the primary action of the receptor. Resolution of its participating components and subsequent reconstitution are essential to the understanding of the ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 91
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] THREE main properties of influenza virus haemagglutinins have prompted analyses of their structure. These glycoproteins are responsible for binding virus particles to cells during infection1 and possibly mediate virus-cell membrane fusion2"4; antibodies which react with the haemagglutinin ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 92
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 313-314 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Conventional zone plates work by blocking out alternate zones. Constructive interference of the waves diffracted from the remaining zones occurs at specific points which are in an image relationship to their original source. Lord Rayleigh7 pointed out that phase reversing, rather than absorbing ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 93
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 320-322 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Georgian wine samples of known origin (38N, 45E, altitude 300m above sea level), obtained from the Tbilisi Wine Museum, were usedfor 14C measurements. The 14C concentration of the alcohol fraction of wine should be closely related to the 14C concentration of the grapes from which it was made, and ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 94
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 326-327 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fifty scrub oak trees (Quercus Hid folia) were selected randomly on a flat plain of sandy soil, 3 km east of Ridge, New York17. Mature periodical cicadas, Magicicada septendecim (Brood XIV) had emerged there in 1974 (refs 17-19). All the trees were about 1.5 m tall and grew in a nearly monospecific ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 95
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 328-330 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Four higher primate species have been recovered from the Upper Fossil Wood zone of the Jebel el Qatrani Formation in the Fayum Province of Egypt: two hominoids-A. zeuxis5'6 and Pr. chirobates5'8 and two parapithecids-Apidium phiomense8 and Parapithecus grangeri8. Until recently, most of these taxa ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 96
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 332-333 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The anti-leukocyte antibody (anti-HLe-1) was prepared by hyperimmunization of BALB/c mice with human peripheral blood mononuclear cells. The immune spleen cells were fused using polyethylene glycol to NS-1 myeloma8 and the anti-HLe-1 clone was isolated by limiting dilution. By indirect ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 97
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 346-347 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Figure 1 illustrates the changes which occurred in a rat facial motoneurone with the iontophoretic administration of a relatively low dose (+25 nA ejection current) of serotonin. Within 32 s, the resting potential shifted from -68 mV to -63.5 mV (Fig. 16), input resistance increased by 32% from an ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 98
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 351-353 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] The absorption of a photon by light-adapted bacteriorhodopsin (bRLA), the purple membrane protein of the Halo-bacterium halobium, initiates a series of transformations13, reminiscent of the bleaching sequence of rhodopsin. The primary photochemical product, K, is a bathochromically shifted species; ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 99
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 359-361 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Two lines of evidence support this conclusion. First, the different organelles were separated and isolated, their DNA was extracted, digested with various restriction endonucleases and hybridized according to the Southern procedure12 to radioactive probes containing cloned segments of the T-DNA. In ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 100
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 287 (1980), S. 364-364 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] In the letter '/3-Endorphin alters luteinizing hormone secretion via the amygdala but not the hypothalamus' by N. Parvizi and F. Ellendorf, Nature 286, 812-813 in paragraph 2, lines 2/3, the reference to 'Basolateral hypothalamus' is incorrect and it should read 'mediobasal ...
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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