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  • American Physical Society (APS)  (83)
  • Nature Publishing Group
  • 2010-2014  (86)
  • 1960-1964  (35)
  • 1935-1939  (11)
  • 1925-1929  (9)
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  • 1
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    Antiferromagnetic order in MnO spherical nanoparticles (2011)
    American Physical Society (APS)
    Details
    Publication Date: 2011-06-16
    Description: Author(s): C. H. Wang, S. N. Baker, M. D. Lumsden, S. E. Nagler, W. T. Heller, G. A. Baker, P. D. Deen, L. M. D. Cranswick, Y. Su, and A. D. Christianson We have performed unpolarized and polarized neutron diffraction experiments on monodisperse 8- and 13-nm antiferromagnetic MnO nanoparticles. For the 8-nm sample, the antiferromagnetic transition temperature T N (114 K) is suppressed compared to that in the bulk material (119 K), while for the 13-nm ... [Phys. Rev. B 83, 214418] Published Wed Jun 15, 2011
    Keywords: Magnetism
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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    PAPER CURRENT
  • 2
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    Ancestry of motor innervation to pectoral fin and forelimb (2010)
    Nature Publishing Group
    Details
    Publication Date: 2022-05-25
    Description: © Macmillan Publishers Limited, 2010. This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-No Derivative Works 3.0 Unported License. The definitive version was published in Nature Communications 1 (2010): 49, doi:10.1038/ncomms1045.
    Description: Motor innervation to the tetrapod forelimb and fish pectoral fin is assumed to share a conserved spinal cord origin, despite major structural and functional innovations of the appendage during the vertebrate water-to-land transition. In this paper, we present anatomical and embryological evidence showing that pectoral motoneurons also originate in the hindbrain among ray-finned fish. New and previous data for lobe-finned fish, a group that includes tetrapods, and more basal cartilaginous fish showed pectoral innervation that was consistent with a hindbrain-spinal origin of motoneurons. Together, these findings support a hindbrain–spinal phenotype as the ancestral vertebrate condition that originated as a postural adaptation for pectoral control of head orientation. A phylogenetic analysis indicated that Hox gene modules were shared in fish and tetrapod pectoral systems. We propose that evolutionary shifts in Hox gene expression along the body axis provided a transcriptional mechanism allowing eventual decoupling of pectoral motoneurons from the hindbrain much like their target appendage gained independence from the head.
    Description: Th is work was supported by the National Institutes of Health and National Science Foundation.
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: application/pdf
    Format: video/quicktime
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    PAPER (OA)
  • 3
    Electronic Resource
    Electronic Resource
    Cost of Scientific Periodical Publications (1960)
    [s.l.] : Nature Publishing Group
    Nature 188 (1960), S. 1052-1052 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    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 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1881052c0
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Influence of Pteridines on the Production of Vitamin B 12 by Trypanosomid Flagellates (1960)
    [s.l.] : Nature Publishing Group
    Nature 188 (1960), S. 35-37 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT was noted several years ago that a protozoan parasite of mosquitoes, Crithidia fasciculate, required for growth inordinately high levels of a conjugated pteridine ; folic acid or still higher levels of folinic acid fulfilled the requirement1. The lower efficiency of folinic acid emphasized that ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/188035a0
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Red Cell Agglutination by Stromal Material in Hæmolysates (1960)
    [s.l.] : Nature Publishing Group
    Nature 185 (1960), S. 547-547 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Haemolysates were prepared from the cells of a number of different animals by subjecting a 20 per cent suspension of washed cells to ultrasonic vibration. After centrifuging for 20 min. at 3,000 rev./min. to remove the larger particles of stroma, it was tested against washed cells of the various ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/185547a0
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Replacement of the Protoplasm of a Giant Nerve Fibre with Artificial Solutions (1961)
    [s.l.] : Nature Publishing Group
    Nature 190 (1961), S. 885-887 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Since the action potential of a nerve fibre almost 5 certainly arises at the surface membrane, it should, in principle, be possible to replace the axoplasm by an aqueous solution of appropriate composition. The difficulty in carrying out this experiment is that the axoplasm of squid nerve fibres is ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/190885a0
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Natural History of the New Hebrides (1926)
    [s.l.] : Nature Publishing Group
    Nature 118 (1926), S. 119-119 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a few months my brother and I are going to the New Hebrides, in the Pacific Ocean, to explore the interior of the largest island, to collect the fauna, to study animal reproduction in a climate that is almost constant throughout the year, and to undertake other work of a more special nature. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/118119c0
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  • 8
    Electronic Resource
    Electronic Resource
    Blood- and Serum-levels of Water-soluble Vitamins in Man and Animals (1963)
    [s.l.] : Nature Publishing Group
    Nature 197 (1963), S. 490-491 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The concentration of folie acid did not vary to any great extent in these six species. The same can be observed for thiamine, with the exception of the rabbit which was the representative rodent. The rabbit carried up to ten times as much of this vitamin than other species. A similar picture was ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/197490b0
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  • 9
    Electronic Resource
    Electronic Resource
    Occurrence of Dormant Ascospores in Soil (1963)
    [s.l.] : Nature Publishing Group
    Nature 197 (1963), S. 1317-1318 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Initially several soils from tropical Australia known to contain high populations of Ascomycetes were used. When soil plates3 were prepared from samples of these soils steamed at temperatures between 50 and 75 C for 30 min, it was noted that the number of colonies of some Ascomycetes was markedly ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1971317a0
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  • 10
    Electronic Resource
    Electronic Resource
    The Atomic Weight of Silver (1927)
    [s.l.] : Nature Publishing Group
    Nature 119 (1927), S. 703-703 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN reply to Prof. Brauner's criticism (NATURE, Mar. 5, p. 348, and April 9, p. 526) of our determination of the atomic weight of silver (J.C.S., 1926, 128, 2510), we have now investigated the volatility of silver and have most emphatically confirmed our original statement that no silver could ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/119703a0
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