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  • Nature Publishing Group  (27,569)
  • 1960-1964  (27,569)
  • 1
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    [s.l.] : Nature Publishing Group
    Nature 189 (1961), S. 43-43 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (1) Bailey suggests two explanations of how the solar charge can be produced and maintained. The first derives from the assumption that neutrinos carry a positive charge in the range between 10~15 and 10-19 times the electron charge. Now, since the conductivity of the solar material is of the order ...
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  • 2
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    Nature 189 (1961), S. 45-47 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During the Permian period, the Earth's magnetic field was remarkably steady. Palaeomagnetic studies of western European rocks of this age have a high measure of internal consistency, and these western European data, together with the results from a recent palaeomagnetic study by Gusev5 of 1,600 ...
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  • 3
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    Nature 189 (1961), S. 320-321 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. In vivo deformations of erythroeytes of anaesthetized rabbits after intramuscular injection of Vipera palestinae venom Fig. 2. In vivo deformations of erythrocytes of unanaesthetized rats after intramuscular injection of Vipera palestinae venom Sublethal and lethal doses of venom were ...
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  • 4
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    Nature 189 (1961), S. 323-324 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We find this observation particularly interesting, since we believe that other cases of tyrosyluria, detectable by chromatographic methods though probably mostly within the normal range of less-specific analyses, occur frequently in ill subjects. We have previously described an increased excretion ...
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  • 5
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    Nature 189 (1961), S. 322-323 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Paterson7 has recently shown that allergic en cephalomyelitis may be transferred in rats using lymph node cells from donors injected with nervous tissue-adjuvant. In this work, complement-fixing anti-brain antibodies appeared in the sera of many recipients, whether or not they developed allergic ...
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    Nature 189 (1961), S. 324-324 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Blood Products Laboratory, Lister Institute, provided us with 70 bottles containing about 120 litres of pooled plasma unfit for transfusion because of bacterial contamination. This had been prepared from whole blood collected between Novem ber 1958 and March 1959, except for about 2 litres ...
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  • 7
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    Nature 189 (1961), S. 54-55 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In order to increase the exchange-rate and to reduce the amount of tritium required, several techniques have been developed which employ an external energy source for promoting the labelling process : electrical discharges2'5, y-rays6, microwaves5 have been used. Recently7 the tritiation of two ...
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  • 8
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    Nature 189 (1961), S. 55-56 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In an attempt to define the metabolic pathway of labelled precursors of deoxyribonucleic acid using either phosphorus-32 or tritium compounds, it became apparent that the soluble intermediates were, in fact, readily lost during the conventional autoradiographic procedures. The use of vacuum drying, ...
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  • 9
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    Nature 189 (1961), S. 327-328 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In preliminary tests, gibberellin concentrations of up to 100 p.p.m. had little effect on breaking dormancy of recently harvested Solanum seed, but germination was stimulated by concentrations of 1,000-4,000 p.p.m. To confirm this result, dry seeds of several Solanum species and species hybrids ...
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  • 10
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    Nature 189 (1961), S. 65-65 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. The ions specified in the left column are arranged in order of hydrated ion size (derived from limiting ion conductances (ref. 2) and expressed relative to K+ = 1-00). The black bands indicate ions that are effective in changing the inhibitory postsynaptic potential into a depolarizing ...
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  • 11
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To verify this supposition, 100 adult male rats were transferred from a natural diet to that of Wilgram7,8, supplemented with vitamin E in the form of an oily preparation from natural sources. Rats of the same age receiving a natural laboratory diet served as control. The functional state of the ...
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  • 12
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    Nature 189 (1961), S. 70-71 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Antisera were prepared in rabbits as described in a previous communication1. The sera were lyophilized immediately after preparation and used without inactivation, unless otherwise specified. The methods of incubation and analysis were identical to those described previously1. Table l. EFFECT OF ...
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    Nature 189 (1961), S. 74-74 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Cucumber seeds were germinated on moist filter paper at 25 C, in darkness. After 48 hr. the seed-coat was removed from germinated seeds and they were transplanted in dishes of 1 per cent water agar. The gibberellin was applied in 2-pd. drops of ethanol to the cotyledons. After 2 (Table 1) or 3 ...
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  • 14
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    Nature 189 (1961), S. 76-76 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I advocated developing a classification of yeasts based mainly, not, as they claim, "exclusively", on the biochemistry of yeasts. Roberts and Thorne also imply that I hold the view that because morphological differences reflect chemical ones, morphology is neither interesting nor important. This ...
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  • 15
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    Nature 189 (1961), S. 78-79 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It has been found that, by suitable control of the concentration of magnesium ions, liquid and solid media can be devised for selection of eoagulase-positive staphylococci in presence of coagulase-negative strains and of many commensal organisms. By calculation from the controlled pH and from the ...
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  • 16
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    Nature 189 (1961), S. 334-336 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have devised a method for determination of myxovirus concentrations, based on the enzymic activity of the virus particles. The action of the virus enzyme-its ability to destroy the haemagglutination-inhibitory capacity of some mucoproteins or to elute the virus from red blood cells-always leads ...
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  • 17
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    Nature 189 (1961), S. 337-337 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (Meetings marked with an asterisk * are open to the public) Monday, January 30 UNIVERSITY OF LONDON (in the Assembly Hall, Institute of Educa tion, Malet Street, London, W.C.I), at 5.15 p.m.-Dr. P. F. R Ven-ables: "The Problems of Isolation in Technical Education".* UNIVERSITY OF LONDON ...
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  • 18
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    Nature 189 (1961), S. 336-336 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Autoradiograph of thermal precipitator sample of Aitken nuclei, labelled with thorium B, collected on carbon-coated electron microscope grid. (x 175) Fig. 2. Autoradiograph of simultaneous sample collected on carbon-coated coverslip. (x 175) The technique finally used to test the ...
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  • 19
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    Nature 189 (1961), S. 337-338 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: BIOCHEMIST (Principal grade), to take charge of the Biochemical Department of the Group Laboratory, Lakin Road, Warwick-The Group Secretary, South Warwickshire Hospital Group, 50 Holly Walk, Leamington Spa ...
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  • 20
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    Nature 188 (1960), S. 1139-1139 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS is a sumptuous volume, beautifully produced, and its 255 photographs, 15 of which are in colour, are fine examples of the art of the camera. Charles Vaucher, their author, is to be congratulated on them. They include close-up bird portraits, snapshots of birds on the wing, some seascapes, ...
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  • 21
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    Nature 189 (1961), S. 169-171 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE presidential address entitled "Science Broadcasting in Sound and Television" delivered by Mr. A. B. Oldfield Davies to the Assembly of Corresponding Societies at the Cardiff meeting of the British Association was certainly realistic, if not also somewhat pessimistic, as to the contribution of ...
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  • 22
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    Nature 188 (1960), S. 1144-1148 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN recent years a number of investigators have studied the low-temperature, low-pressure structures of ice, using such techniques as thermal analysis (Pryde and Jones1), electron diffraction (K nig2), and X-ray diffraction (Barnes3). A comprehensive treatment of the literature is given by Blackman ...
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  • 23
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    Nature 188 (1960), S. 1152-1152 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE doyen of women geologists, Dr. Gertrude L. Elles, emeritus reader in the University of Cambridge and honorary Fellow of Newnham College, died at Helensburgh on November 18, in her eighty-ninth year. She entered Newnham as a scholar in 1891 and remained, with few interruptions, resident in ...
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  • 24
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    Nature 188 (1960), S. 1154-1154 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A NEW organization, the Educational Film Centre, Ltd., has recently been founded. Its directors are Maurice Goldsmith, formerly science editor at Unesco, John Halas and Joy Batchelor, animation film producers, and Dr. Koger Man veil, formerly director of the British Film Academy. The objects of the ...
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    Nature 189 (1961), S. 173-174 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROF. COULSON'S Beckly Social Service Lecture is addressed primarily to those who share his Christian faith, for, in accordance with the purpose for which the Lecture was instituted, he seeks to show why the Christian, as such, should be concerned with technology as well as with science, the ...
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  • 26
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    Notes: [Auszug] THREE reports have been published which indicate that in some cases of acute leukaemia in man there are abnormalities of both number and morphology of the chromosomes in the leukaemic cells1"3. However, no consistent abnormality has yet been found which can be linked to a specific cytological type ...
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    Nature 188 (1960), S. 1167-1169 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MALIGNANT catarrhal fever of cattle is a transmissible disease of world-wide distribution, sporadic occurrence and very high mortality1-3 ; it is not contagious1'2'4 and fomites are not infectious on parenteral inoculation1. The yetiological agent is generally held to be a virus although, to our ...
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    Nature 188 (1960), S. 1175-1176 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a recent communication1 a model was proposed for the formation of the solar system. It was suggested that tides produced on the Sun by a passing star caused portions of the solar material to break away at regular intervals of time, the intervals being governed by the natural ...
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  • 29
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    Nature 188 (1960), S. 1172-1173 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT a recent joint discussion of the Linnean Society and the Systematics Association on the subject of the sub-species, it was quite evident that there is still no basic agreement between biologists on the nature of the species itself. Thus there can be little hope of defining the sub-species to the ...
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    Nature 188 (1960), S. 1183-1183 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The adhesion was measured in the manner described by Williams and Hammond1, with the test-pieces made of copper. The ends of the specimens to be plated were polished to 1m diamond powder, electropolished in 50 per cent phosphoric acid and treated to have a monolayer of the fatty acid under test2. ...
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    Nature 188 (1960), S. 1183-1184 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] When plastic deformation occurs it is by 'kinking', as has been described by previous workers2 with other materials. The 'kink' formed is a bend of radius of curvature of the order of the thickness of the whisker ; it is produced suddenly, with release of the elastic strain in the rest of the ...
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    Nature 188 (1960), S. 1182-1183 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The preliminary experiments described provide support for the hypothesis that, in the presence of water, hydrogen penetrates into the material subject to surface fatigue. The decrease in activity with time can be ascribed to escape of tritium from the material. The phenomenon is now being ...
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    Nature 188 (1960), S. 1191-1192 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Franklin et al.3 claimed to have made separations of sera into a great number of fractions by means of two-dimensional paper chromatography. Conditions and results of these procedures provoked severe criticism. Though inclined to be sceptical I, too, agreed with E. and M. Lederer1 in their opinion ...
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    Nature 188 (1960), S. 1194-1195 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the present work the use of zone electrophoresis permitted hyaluronate to be isolated from small quantities of viscous fluid and recovered for analysis. A weighed amount (about 1 gm.) of synovial fluid from apparently normal knee joints of deceased or living subjects was diluted to 5 gm. with a ...
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    Nature 188 (1960), S. 1195-1196 
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    Notes: [Auszug] We wish to report here some further experiments aimed mainly at obtaining the inhibitor in a purified form and at finding out about its chemical nature and its mode of action. Fig. 1 illustrates a typical experiment showing that the inhibitor (prepared as described by Maggio and Monroy1) ...
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    Nature 189 (1961), S. 185-185 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] Prof. A. Thom PROF. A. THOM is to retire from the chair of engineering science at the University of Oxford, which he has held since 1945. Prof. Thorn is an engineer with an aeronautical bias, who worked in the Royal Aircraft Establishment, Farnborough, during the whole of the Second World War, ...
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    Nature 188 (1960), S. 1201-1202 
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    Notes: [Auszug] We succeeded in separating reticulocytes by means of a multi-layer centrifugation with a gum acacia solution. The separating procedures are similar to those of leucocytes and bone marrow cells6,7 reported previously. The technique depends on the difference in densities between reticulocytes and ...
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    Nature 189 (1961), S. 185-186 
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    Notes: [Auszug] IN an article that appeared in a recent issue of ESSO Magazine (9, No. 4, Autumn, 1960), Sir Hugh Beaver suggests that people in Great Britain can no longer afford to argue about education for management, and that it is no longer realistic to call on "industry to exercise the greatest care in ...
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    Nature 189 (1961), S. 186-186 
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    Notes: [Auszug] DURING 1959-60 the major concern of the National Association for Mental Health has been with the promotion of World Mental Health Year in the United Kingdom and with preparations for the coming of the Mental Health Act. These are described in the fourteenth annual report (Pp. 55. London: National ...
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    Nature 188 (1960), S. 1207-1208 
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    Notes: [Auszug] Table 1. LEVELS OP PARASITIZATION OF MALE AND FEMALE FROGS DURING AND OUTSIDE THE BREEDING SEASON Species of parasite Percentage of frogs parasitized during January and February Percentage of frogs parasitized during April and May Males Females Males Females Trematodes Polystoma ...
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    Nature 188 (1960), S. 1209-1210 
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    Notes: [Auszug] Agents such as local anaesthetics, designated as 'stabilizers', decrease the permeability of living membranes or depress their ability to undergo the rapid increase in permeability during excitation1-6. They interact with monolayers of lipoidal molecules (for example, stearic acid) and thereby add ...
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    Nature 188 (1960), S. 1059-1060 
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    Notes: [Auszug] THIS volume is the second in a series projected by the former Chemical-Biological Co-ordination Center, having as its object the publication of ?a manual of test methods dealing with the effects of chemicals on insects?. The first volume has already been reviewed in Nature (183, 352 ; 1959). The ...
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    Nature 188 (1960), S. 1061-1061 
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    Notes: [Auszug] ONE is conscious at the present time of the feedback from research and discovery to the matter and methods of elementary instruction, or, more accurately perhaps, of the need for such a cycle. Physicists, for example, while complaining that the younger generation is ill-versed in the principles ...
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    Nature 188 (1960), S. 1064-1067 
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    Notes: [Auszug] VERY little is known about the processes that have fashioned the major features of the Earth's surface. Of the many problems unsolved, perhaps one of the most intriguing of all is that of the origin of the Pacific Basin. It is known that the lighter crustal layers, which form the continental land ...
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    Nature 188 (1960), S. 1072-1072 
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    Notes: [Auszug] MR. FARVIS, senior lecturer in applied electricity and head of the postgraduate school of electronics and radio in the University of Edinburgh, has been appointed to the newly established chair of electrical engineering. He graduated B.Sc. from the University of Bristol in 1936, with first-class ...
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    Nature 188 (1960), S. 1073-1073 
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    Notes: [Auszug] THE Humboldt University of Berlin celebrated its 150th Anniversary together with the Charite" Hospital, the 250th Anniversary of which ran concurrently. Symposia, conferences, discussions and exhibitions were offered to participants by the various faculties, including those of Medicine, Philosophy, ...
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    Nature 189 (1961), S. 187-188 
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    Notes: [Auszug] SOME interesting differential effects of maleic hydrazide on the growth of leaf and stem rusts of wheat are reported by D. J. Samborski et al. (Canad. J. Bot.9 38, 1: 1960). The effect of this substance was investigated, using intact plants supplied with maleic hydrazide through the roots, detached ...
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    Nature 188 (1960), S. 1074-1075 
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    Notes: [Auszug] COLLECTIONS by T. Gledhill from one locality yielded seven species of water-mites, each from a different family ; four species are new to Britain and a fifth has previously been recorded from Ireland. The collections were made in seewage-water and are outlined in the August issue of the Journal of ...
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    Nature 188 (1960), S. 1076-1077 
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    Notes: [Auszug] SIR David Eccles, Minister of Education, opened the first instalment of the new City of Liverpool College of Technology on September 30,1960. The new building provides accommodation for the Departments of Chemistry and Biology, Physics and Mathematics, and Pharmacy. The building (Fig. 1) has been ...
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    Nature 188 (1960), S. 1082-1082 
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    Notes: [Auszug] DUE mainly to vaccination, fewer persons now suffer or die from such diseases as diphtheria, poliomyelitis and tuberculosis. If immunization programmes using the best available vaccines were more generally applied, the risk of infection from certain diseases could still further be reduced. Some of ...
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    Nature 188 (1960), S. 1090-1092 
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    Notes: [Auszug] SUTHERLAND, in a recent article1, offers an evaluation of my theory of the relation of the plexiform zone in the octopus to its shape discriminatory capacity2. A critique is made both on general grounds of plausibility and in relation to specific points of experimental evidence. Dr. Sutherland ...
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    Nature 188 (1960), S. 1097-1098 
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    Notes: [Auszug] There is evidence that A v varies with rotational state r"K.^ \ i IM - } where , ..,..., \J(J + l)J n has the value2 of either 2 or 3. If A v is normalized to the (3,3) line, as seems to be the present practice, then f(J,K) in equation (1) should be multiplied by (2) The factor in equation 1 ...
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    Nature 188 (1960), S. 1103-1104 
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    Notes: [Auszug] Sodium metaphosphate and potassium metaphos-phate can be prepared by heating the sodium and potassium dihydrogen phosphates respectively. The metaphosphates are produced from their respective acid salts by dehydration processes ; hence to prepare .those compounds containing water it is only ...
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    Nature 189 (1961), S. 192-193 
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    Notes: [Auszug] THE autumn meeting of the Parasitology Group of the Institute of Biology was held in the Zoology Department of Birkbeck College, London, on October 28. The meeting was very well attended and was devoted to five papers under the general title "Recent Advances in Fields of Parasitological Research". ...
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    Nature 189 (1961), S. 195-196 
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    Notes: [Auszug] THE eleventh General Conference of Weights and X Measures was held in Paris during October 11-20 under the chairmanship of M. Barrillon, president of the Academy of Sciences. Thirty-two States were represented at the Conference, which was held at 19 Avenue Kleber, in the former Hotel Majestic now ...
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    Nature 189 (1961), S. 197-197 
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    Notes: [Auszug] THE recently issued annual report of the National Food Survey Committee for 1958 is the ninth in the series of surveys, begun in 1950, of food consumption and expenditure on food in private households in the United Kingdom*. During 1958, 8,611 records were compiled from 827 polling districts in ...
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    Nature 188 (1960), S. 1108-1109 
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    Notes: [Auszug] On the basis of these considerations we have synthesized a number of compounds the structure of which is more or less similar to that of reserpine, in the hope that these would have useful medicinal properties. These compounds fall into two classes : -indolylethylamine derivatives, having the ...
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    Nature 188 (1960), S. 1112-1112 
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    Notes: [Auszug] Purification was effected by recrystallization from a benzenepetroleum ether mixture. The crystals, purified as colourless needles, melted at 159.5 and was readily soluble in alcohols, chloroform and benzene and insoluble in water, ether and hydrocarbons. Carbonhydrogen and nitrogen analysis and ...
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    Nature 188 (1960), S. 1119-1120 
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    Notes: [Auszug] In each experiment, 4-6 desheathed sciatic nerves (800-1,600 mgm. of nerve) from the South American frog Callyptocephalus gaily were immersed for 1 hr. in 10 c.c. of Ringer solution containing 20-40 μc. of a mixture of amino-acids labelled with carbon-14 (hydrolys-ate of Chlorella protein). Then ...
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    Nature 188 (1960), S. 1121-1122 
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    Notes: [Auszug] The blood samples were collected into sterile vacuum tubes (Venules, Winthrop Laboratories, Ltd.), which were then sealed with adhesive wax (Okeria Wax 1350/2, Astor Boisselier and Lawrence, Ltd.). The sealed tubes were stored on ice in large wide-mouthed vacuum flasks for protection from cold at ...
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    Nature 188 (1960), S. 1124-1125 
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    Notes: [Auszug] Four infant macaques born in this laboratory were separated from their mothers at birth and were given a high phenylalanine milk diet from the second day of life. Whole cows milk or powdered milk formula containing 0-25 gm. l-phenylalanine per 100 ml. in final dilution was fed for the first two ...
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    Nature 188 (1960), S. 1128-1129 
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    Notes: [Auszug] Class I (absorption reaction), observed in many genera of the Enoplida, typically involves entry of the dye first at the anterior and then almost simultaneously at the posterior end of the nematode, with staining progressing toward the centre. Minimum solution thresholds of this reaction range from ...
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    Nature 188 (1960), S. 1131-1132 
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    Notes: [Auszug] It is of interest to note that these highly experienced entomologists were never aware of the ticks crawling across their faces or entering their nostrils. The first indication of infestation was tenderness of the nose when touched or when blown. Equally interesting was the absence of irritation or ...
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    Nature 189 (1961), S. 209-210 
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    Notes: [Auszug] WE have observed that macroscopic spherical VV particles collect into a thin, annular region when an initially uniform dilute suspension is passed in laminar flow through a straight tube. The development of the effect is proportional to the length I of the tube, to the mean velocity V of flow and ...
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    Nature 189 (1961), S. 212-212 
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    Notes: [Auszug] The instrument is intrinsically simple. A heated nichrome coil and a Fresnel zone plate are mounted on opposite ends of a 4-m. /-beam so that the zone plate produces a series of monochromatic images of the source disposed along the axis of the instrument. A bolometer detector mounted on a carriage ...
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    Nature 188 (1960), S. 1132-1134 
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    Notes: [Auszug] Germinative changes in spores brought about by non-metabolites has been called 'chemical germination' in contradistinction to 'physiological germination'2'5 effected by amino-acids and ribosides, etc. Germinative changes in spores accompanied by loss of viability (loss of ability to form colonies ...
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    Nature 188 (1960), S. 1017-1017 
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    Nature 188 (1960), S. 1019-1020 
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    Notes: [Auszug] It has been found also that under these conditions the yields of molecular hydrogen were low when carbon dioxide or bicarbonate was present in the solution. From work on these reactions under different pH. conditions, one is led to the conclusion that the negatively charged polarons (H2O)-, formed ...
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    Nature 188 (1960), S. 1023-1023 
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    Notes: [Auszug] Since this observation conflicts with the results of extensive experiments carried out earlier by Rice and Freamo2, we repeated the work of Clarke and McTurk ; but, in spite of intensive effort, we have been unable to produce the blue material from ammonia. We realize, of course, that the negative ...
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    Nature 188 (1960), S. 1027-1028 
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    Notes: [Auszug] The two experiments described here attempt to throw further light on the synthesis of folic acid and thiamine by N. rhodnii and Rhodnius. Techniques involving the injection of vitamins into insect or mammalian host were avoided. In the first experiment, the vitamins were fed artificially to sterile ...
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    Nature 188 (1960), S. 1031-1032 
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    Notes: [Auszug] A strain of Chlorella vulgaris which has been maintained in this laboratory since 1938 was cultured in an inorganic medium consisting of potassium nitrate, 0025 M ; crystalline magnesium sulphate, 002 M ; potassium dihydrogen phosphate, 0018 M ; crystalline ferrous sulphate, 000005 M ; and ...
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    Nature 188 (1960), S. 1036-1037 
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    Notes: [Auszug] Payne and Woolf4 reported a high blood-level of insulin-like activity following administration of leucine when compared to a fasting-level obtained a few days previously. Drs. Renold and Steinke of Boston and Drs. Yalow and Berson of New York have kindly determined for us the levels of insulin-like ...
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    Nature 188 (1960), S. 1037-1038 
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    Notes: [Auszug] Fig. 1. Operculum of the zebra fish (Pterois volitans), a typical acellular bone form. Note the absence of enclosed osteocytes. (x 450) A taxonomic classification of the distribution of these two bone tissue types in fish is under way. Preliminary observations by Moss4 indicate that the ...
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    Nature 188 (1960), S. 1041-1042 
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    Notes: [Auszug] All these active extracts prevented certain tissues of young insects from assuming their adult aspect, but did not interfere with growth itself. In pup of Lepidoptera, Hemiptera and Coleoptera, local application of active extracts caused the pupal epidermal cells to lay down a second pupal cuticle ...
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    Nature 188 (1960), S. 1044-1045 
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    Notes: [Auszug] Scopoletin, as well as being a normal constituent of tobacco leaves, has been found to increase markedly in the case of attack by the tomato spotted wilt virus3 and to be present in higher concentration in differentiating than in non-differentiating tobacco tissue4. Scopoletin also acts as an ...
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    Nature 188 (1960), S. 1048-1049 
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    Notes: [Auszug] The value of the coefficient of diffusion (D) from Fick's law can be obtained for the system shown in Fig. 1, where at the time when the two sections of soil are placed in contact the amount of the ion under investigation is equal in the two halves, but in one a proportion consists of a radioactive ...
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    Nature 188 (1960), S. 1045-1046 
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    Notes: [Auszug] Because of the possible significance of these factors, we feel that the accompanying photograph (Fig. 1) will be of interest. It shows an unstained, uncolchicimzed bone marrow mitosis obtained within minutes after aspiration from a 59-year-old female. There is clear representation of 46 ...
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    Nature 188 (1960), S. 1049-1050 
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    Notes: [Auszug] A recent investigation on the ionic species of aluminium in equilibrium with various forms of aluminium oxy-hydroxide and hydroxide has shown that for conditions usually found in soils, AlOH2+, Al(OH)2+ or less-highly charged forms such as A13(OH)72+ (strictly [Al3(OH)72+]n, where n is an integer, ...
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    Nature 188 (1960), S. 1052-1052 
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    Notes: [Auszug] To say that journals backed by scientific societies have guaranteed circulation is unrealistic in most cases ,- it certainly is not true with Chemical Abstracts. Member subscribers to Chemical Abstracts are subsidized in an effort "to ensure maximum dissemination", but Chemical Abstracts has been ...
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    Nature 188 (1960), S. 971-972 
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    Notes: [Auszug] SINCE penicillin was developed as a commercial product there has been a feverish search for other antibiotics with similar or complementary properties. To-day, about a dozen antibiotics are in general use. Their discovery has been based on a purely empirical screening programme in which millions of ...
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    Notes: [Auszug] THIS book presents a most interesting and detailed account of the scientific and economic research work on jute carried out under the aegis of the Indian Central Jute Committee over the past twenty-five years. It is divided into three sections, the first being concerned with the botany, ...
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    Nature 188 (1960), S. 973-973 
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    Notes: [Auszug] TEN years after the Royal Society Scientific Information Conference, the International Conference on Scientific Information, sponsored by the National Science Foundation, the National Research Council National Academy of Sciences and the American Documentation Institute, was held in Washington in ...
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    Nature 188 (1960), S. 985-985 
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    Notes: [Auszug] IN moving the second reading of the Ministers of the Crown (Parliamentary Secretaries) Bill in the House of Lords on December 8, the Minister for Science, Lord Hailsham, referred to the clause which permitted the appointment of a Parliamentary Secretary to the Minister for Science (see also Nature, ...
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    Nature 189 (1961), S. 225-226 
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    Notes: [Auszug] I may recall that at the time when Keilin and Hartree made their proposal it was generally held that myoglobin (muscle haemoglobin) and haemoglobin in vertebrates were fundamentally different, and differences between them were always emphasized. Thus, Koughton, quite recently, commented3 that: "It ...
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    Nature 189 (1961), S. 227-228 
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    Notes: [Auszug] A large sample of female Polyphemus, containing numerous embryos, was first extracted with acetone to remove carotenoids and then extracted with acid methanol (5 per cent hydrochloric acid), giving a deep olive-green solution. When this was diluted with water and shaken with chloroform the ...
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    Nature 189 (1961), S. 226-227 
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    Notes: [Auszug] A Kentron microhardness tester was used with Knoop diamond indenter, as described previously4.6, for following changes in surface hardness. Human teeth were tested for hardness initially, after softening by acetate buffer, and after treatment in calcium phosphate solutions. For each determination, ...
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    Nature 188 (1960), S. 879-881 
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    Notes: [Auszug] IN an address at the opening of the new Physics Building of the Imperial College of Science and Technology on October 20, Sir John Cockcroft referred to the growing complexity of equipment required for physical and chemical research, and consequent mounting of costs during the past three decades. ...
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    Nature 189 (1961), S. 229-230 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As the first stage of an investigation aimed at the isolation and identification of the toxic principle, it was necessary to develop a reliable bioassay. The bioaesay which had been devised for Gonyaulax toxin from shellfish2 was used and standardized for ciguatera toxin2 by Halstead and Bunker3. A ...
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    [s.l.] : Nature Publishing Group
    Nature 189 (1961), S. 230-230 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Starting from this hypothesis, I have made extracts of relaxed vessel muscles using water or salt solutions of ionic strength either lower than that in the intra-cellular fluid or equal to it. The muscle of the relaxed cow carotis was separated from other tissues. Then it was minced in a small meat ...
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    Nature 188 (1960), S. 885-885 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE title of this series is misleading. It would be much more indicative of the contents if it were Advances in Space Technology". The editor's view on space science is revealed in the foreword where he states that The principal objective of space science is to make it possible for man, and not ...
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    Nature 188 (1960), S. 891-894 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOME hundreds of investigations are described in the current annual report of the British Empire Cancer Campaign which in 1959 gave financial support, directly or indirectly (£750,000) to more than .1,300 investigators at numerous centres of research in Great Britain and the ...
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    Nature 189 (1961), S. 231-232 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The dihydrofolic acid reductase from chicken liver was prepared by Futterman's method7. It was found that the reductase attacked 2-amino-4-hydroxy - 6 -lactyl - 7,8 - dihydropteridine and extinguished both the yellow colour and yellow fluorescence of its solution in the presence of reduced ...
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    Nature 189 (1961), S. 232-233 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Previous reports from this laboratory have described the value of agar precipitin analysis in the study of human streptococcal infections8-5. In the course of this work, very highly purified Streptolysin O preparations were obtained, using a combination of continuous-flow electrophoresis and column ...
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    Nature 188 (1960), S. 899-899 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE July issue of Man contains several articles of general interest. The mystery of A. C. Carlyle and his collections from caves in the Morhana Pahar district of India has been elucidated by G. de G. Sieveking of the British Museum. It seems that many of the finds were bought by Dr. Sturge and are ...
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    [s.l.] : Nature Publishing Group
    Nature 188 (1960), S. 899-899 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the communication entitled "Prolonged Survival of Human Sperm in chemically defined Media at Room Temperatures", in Nature of November 26, p. 760, it is stated that the p~H. of the medium was initailly 7-1 ; this should read ...
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    Nature 188 (1960), S. 897-897 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN answering a question regarding grants to students in the House of Commons on December 1, the Minister of Education, Sir David Eccles, said thai the Government has decided on the general lines of the revised scale of parental contributions. Details of the scale, which will come into force in ...
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    Nature 188 (1960), S. 897-898 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE University of Mie publishes both a Journal and a report for the Faculty of Fisheries and both seem to cover similar ground. In the reports (published annually since 1951) a good balance is maintained between economic and non-economic subjects. Those of a practical application to fisheries are ...
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    Nature 188 (1960), S. 910-911 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN following up earlier work on a geometrical model of liquid structure1, we have been examining more closely the precise mutual co-ordination of spheres when arranged at random and more-or-less closely packed. As can be seen from Dr. Scotts communication, which came to hand during this ...
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    Nature 188 (1960), S. 918-919 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BRIGHT-LIGHT microscopy has been used for more than thirty years and phase-contrast microscopy for ten years, the latter in studies of more than two thousand human oocytes and ova. If these methods are not used properly by one who knows what he is observing, many errors can be made. Fig. 8. ...
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    [s.l.] : Nature Publishing Group
    Nature 189 (1961), S. 237-238 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The histochemical characteristics of typical entero-chromafnn cells are well established1, namely, positive reaction in the chromaffin, argentaffin and diazonium in alkaline solution tests. Other staining methods (non-histochemical) are also suitable for detection of enterochromaffin cells, based ...
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