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  • 1
    Electronic Resource
    Electronic Resource
    Count Rumford and the Founding of the Royal Institution (1949)
    [s.l.] : Nature Publishing Group
    Nature 163 (1949), S. 348-349 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] HUNDRED and fifty years ago, on March 7, 1799, a meeting was held at the house of Sir Joseph Banks in Soho Square, London, to consider proposals for founding a new scientific institution in London. The gathering in Sir Joseph's principal room or council chamber included a number of peers, members ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/163348a0
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  • 2
    Electronic Resource
    Electronic Resource
    Interactions of lysophospholipids and mast cells (1979)
    [s.l.] : Nature Publishing Group
    Nature 279 (1979), S. 250-252 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Effect of lysophospholipids on histamine release from rat peritoneal mast cells in the presence (a) and absence (b] of Con A. Mast cells obtained from the peritoneal cavity of adult male rats were purified to greater than 95% homogeneity by centrifugation through albumin 9. The cells (2 x ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/279250a0
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  • 3
    Electronic Resource
    Electronic Resource
    Mycetoma of the calf (1997)
    Springer
    Skeletal radiology 26 (1997), S. 319-322 
    Details
    ISSN: 1432-2161
    Keywords: Key words Mycetoma ; Magnetic resonance imaging ; Calf ; Granulomatous infection ; Actinomycetes ; Sulfur granules
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Actinomycetous infections typically involve either the head and neck or the extremities following a traumatic implantation. Classic clinical associations are draining sinus tracts. This case report describes the pathologic and MR findings of a relatively acute mycetomatous process involving the soft tissues. Pathologic findings in this case included an occasional granule composed of gram positive, thin branching elements. These and other findings were consistent with actinomycetes bacterium infection. The discussion centers around the use of MR, both with and without gadolinium, in evaluating this type of granulomatous infection. Infiltration of the adjacent subcutaneous tissues was easier to appreciate on both the T1-weighted images without gadolinium and the T1-weighted images with gadolinium when compared to the T2-weighted images. Signal characteristics as described in this case report may suggest a granulomatous process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002560050245
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  • 4
    Electronic Resource
    Electronic Resource
    Easy determination of ploidy level in Arabidopsis thaliana plants by means of pollen size measurement (1994)
    Springer
    Plant cell reports 13 (1994), S. 652-656 
    Details
    ISSN: 1432-203X
    Keywords: Transgenic Arabidopsis ; Ploidy ; Pollen size
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Cytogenetic examination of transgenic Arabidopsis thaliana (L.) Heynh. plants obtained by Agrobacterium-mediated gene transfer to cotyledon- and root-explants or by direct gene transfer into protoplasts revealed a high percentage of tetraploid or aneuploid transformants. Depending on the transformation procedure used, 13% (root explant transformation), 33% (cotyledon explant transformation), or 38% (direct gene transfer) of the transformants showed aberrant ploidy levels. A good correlation between the ploidy level of a plant and the size of its pollen grains was observed. This allows quick and simple testing of the ploidy level of transgenic Arabidopsis plants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00232939
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  • 5
    Electronic Resource
    Electronic Resource
    Species of reptiles occupying habitat islands in Western Arizona: a deterministic assemblage (1985)
    Springer
    Oecologia 66 (1985), S. 595-601 
    Details
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Island size, habitat heterogeneity, and distance from major (“mainland”) stands of habitat were examined relative to composition and number of coexisting reptile species dependent on upland habitats of 11 mountain and 4 riparian habitat islands. Species richness increased with area on mountain islands, but area was unimportant in predicting species richness on riparian islands. Instead, isolation was of primary importance. Regardless of factors determining species richness, composition of species were deterministic; small assemblages were always totally included subsets of all larger assemblages. This pattern of determinism apparently reflects selective extinctions and the inability of species to recolonize due to the insurmountable barrier imposed by the Sonoran Desert.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00379354
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  • 6
    Electronic Resource
    Electronic Resource
    Resource selection by tropical frugivorous birds: integrating multiple interactions (1985)
    Springer
    Oecologia 66 (1985), S. 563-573 
    Details
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Resource selection is a function of interactions of organisms (competition, predation) as well as characteristics of the resource and organisms. I provide a quantitative model that integrates these factors. I use the model to predict profitability of fruits to tropical birds, but the model and its predictions are applicable to a wider array of systems and organisms. Profitability of a fruit is determined by rewards provided by the pericarp (mass and caloric yields) relative to costs (metabolic requirements, handling time, search time, behavioral interference, predator avoidance) associated with finding and eating that fruit (Fig. 1). Fruits increase in profitability with increases in fruit size until increases in handling time offset increases in pericarp mass. The fruit size at which increases in handling time offset increases in pericarp mass varies among bird species due to differences in bill and body size. Decreases in feeding rate due to decreasing numbers of fruits and increasing search time causes reduced profitability and this effect becomes more severe with decreasing fruit size and/or increasing frugivore size. Consequently, as fruit size decreases relative to frugivore size, fruit abundance becomes increasingly important to fruit selection by frugivores. However, while profitability of resources is a function of characteristics of the resources and the organisms, biological interactions can change profitability rankings; resources that may be more profitable in the absence of behavioral interference, exploitation competition, or predation risk can become less profitable in the face of these interactions. The proposed model integrates these interactions to provide predictions of resource selection and these predictions are supported by published studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00379351
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  • 7
    Electronic Resource
    Electronic Resource
    Cytokines and the acute respiratory distress syndrome (ARDS): A question of balance (1997)
    [s.l.] : Nature Publishing Group
    Nature medicine 3 (1997), S. 272-273 
    Details
    ISSN: 1546-170X
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] ISAAC NEWTON'S THIRD Law of Motion is as germane to inflammation as it is to the interactions between two physical bodies. For every agonist, there is an equal and opposite antagonist that tends to restore the balance of the forces unleashed in the acute inflammatory response. In this issue ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nm0397-272
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  • 8
    Electronic Resource
    Electronic Resource
    T-lymphocytes regulate genetically determined airway hyperresponsiveness in mice (1997)
    [s.l.] : Nature Publishing Group
    Nature medicine 3 (1997), S. 460-462 
    Details
    ISSN: 1546-170X
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] Airway hyperresponsiveness (AHR) is a hallmark of asthma1 and a heritable polygenic trait in the mouse2. In the mouse, candidate gene products of hematopoietic origin implicated in asthma mapped to the regions of the previously defined quantitative trait loci2. Since hematopoietic cells3–5 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nm0497-460
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  • 9
    Electronic Resource
    Electronic Resource
    Quantitative locus analysis of airway hyperresponsiveness in A/J and C57BL/6J mice (1995)
    [s.l.] : Nature Publishing Group
    Nature genetics 11 (1995), S. 150-154 
    Details
    ISSN: 1546-1718
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] Airway hyperresponsiveness is a key characteristic of human asthma and a marker for asthma–like conditions in animals. F1 mice derived from A/J and C57BL/6J display a phenotype which resembles the asthma–like phenotype of the A/J mice. Since airway responsiveness failed to segregate as ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/ng1095-150
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  • 10
    Electronic Resource
    Electronic Resource
    Faraday's Diary. (1930)
    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 812-814 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has now been announced that, to mark the forthcoming centenary of the discovery of electromagnetic induction, the Managers of the Royal Institution have resolved to publish a document of exceptional scientific interest and importance, Faraday's "Diary". It may therefore be opportune to give some ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/126812a0
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