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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 119 (2000), S. 0 
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The study investigated the reported linkage of the locus for resistance to woolly apple aphid with the locus for incompatibility. Apple seedlings from the cross ‘Northern Spy’(heterozygous for resistance) בTotem’(susceptible) were scored for resistance, and for incompatibility genotype, by analysis of stylar ribonucleases, and for Got-1, the isoenzyme marker for incompatibility. Cosegregation analysis provided no evidence that the loci for resistance and incompatibility are linked. Two rootstock cultivars,‘M9’and ‘Merton 789′, which in early work had been reported to give poor set in crosses with ‘Northern Spy’, were found to have the same incompatibility genotype as ‘Northern Spy’, namely S1S3.‘M4’and ‘Irish Peach’, two other cultivars that had given poor set when crossed on to ‘Northern Spy’, appeared to be homozygous at the incompatibility locus and to have the genotypes S3S3 and S1S1, respectively.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, U.K. and Cambridge, USA : Blackwell Science Ltd
    Scandinavian journal of immunology 43 (1996), S. 0 
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Mycobacterium tuberculosis secretes a number of proteins into the extracellular envirornment, some of which are restricted to the M. tuberculosis complex. These proteins are targets for T- and B-cell immune responses in tuberculosis (TB) patients and their contacts. The authors have mapped the immunogenic regions of the MPT64 protein of M. tuberculosis using peripheral blood mononuclear cells (PBMC) from TB patients and a set of overlapping peptides encompassing the complete sequence of the protein. T-cell epitopes which induced proliferation or interferon-gamma (IFN-γ) release were distributed over the full length of the protein. A C-terminal region of the protein, however, contains sequences recognized in the context of multiple HLA-DR phenotypes by more than 80% of the subjects tested. The nature of the T-cell response was further investigated by generating MPT64-specific T-cell lines. These lines also identified the T-cell epitopes in the C-terminal region of the protein. On stimulation with antigen the lines secreted IFN-γ, but not interleukin 4 (IL-4). A minority of TB patients (6/32) mounted an antibody response to MPT64. Sera from half (3/6) of these identified two linear antibody binding sites. These results confirm the significance of this protein in the immune response to tuberculosis infection.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Wide spectrum screening keratin as a marker of metaplastic spindle cell carcinoma of the breast: an immunohistochemical study of 24 patients Aims: Metaplastic spindle cell carcinomas may be difficult to distinguish histologically from other spindle cell lesions in the breast. Variable staining with cytokeratin immunomarkers has been reported for metaplastic carcinomas. We evaluated the diagnostic utility of anti-cytokeratin polyclonal antibody, wide spectrum screening keratin, to assess spindle cell breast lesions. Methods and results: Twenty-four patients with spindle cell breast carcinoma and 31 patients with benign or malignant spindle cell tumours were studied using a panel of antibodies directed against multiple cytokeratins (AE1/AE3, CAM5.2, wide spectrum screening keratin), epithelial membrane antigen (EMA), and vimentin. Sites of origin for the 31 controls included breast, bone, and soft tissue. All but one (95.8%) metaplastic carcinomas stained positively with wide spectrum screening keratin. Only rare or focal immunoreactivity was observed with AE1/AE3 in four cases; however, sensitivity of AE1/AE3 was improved in 13 cases using steam EDTA as an antigen retrieval technique. Three cases were immunoreactive with CAM5.2 and eight cases were immunoreactive with EMA. All control cases lacked immunoreactivity with the cytokeratin panel and EMA. The spindle cells in the metaplastic breast tumours (88%) and in the controls (97%) stained with vimentin. Conclusions: Wide spectrum screening keratin may be the most useful and convenient antibody in differentiating metaplastic spindle cell carcinoma from other spindle cell lesions in the breast.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Nuclear Physics B (Proceedings Supplements) 18 (1991), S. 60-72 
    ISSN: 0920-5632
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Neuropsychologia 25 (1987), S. 841-844 
    ISSN: 0028-3932
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Psychology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Physics Letters B 285 (1992), S. 49-53 
    ISSN: 0370-2693
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 2 (1998), S. 381-391 
    ISSN: 1434-6036
    Keywords: PACS. 67.20.+k Quantum effects on the structure and dynamics of nongenerate fluids (e.g., normal phase liquid 4He) - 47.55.Bx Cavitation - 64.60.Qb Nucleation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We have studied the nucleation of bubbles in pure superfluid helium-4 at temperatures down to 65 mK. We have found that the nucleation is a stochastic process, and that at temperatures below 600 mK the nucleation rate is independent of temperature. These results are consistent with the assumption that the nucleation takes place via quantum tunneling.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 27 (2002), S. 393-398 
    ISSN: 1434-6036
    Keywords: PACS. 72.70.+m Noise processes and phenomena – 73Electronic structure and electrical properties of surfaces, interfaces, thin films, and low-dimensional structures – 71.10.Fd Lattice fermion models
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We study the full probability distribution of the charge transmitted through a mesoscopic diffusive conductor during a measurement time Δ. We have considered a semi-classical model, with an exclusion principle in a discretized single-particle phase-space. In the large Δ limit, numerical simulations show a universal probability distribution which agrees very well with the quantum mechanical prediction of Lee et al. [Phys. Rev. B 51, 4079 (1995)] for the charge counting statistics. Special attention is given to its third cumulant, including an analysis of finite size effects and of some experimental constraints for its accurate measurement.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Thin Solid Films 146 (1987), S. 145-154 
    ISSN: 0040-6090
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Thin Solid Films 102 (1983), S. 209-220 
    ISSN: 0040-6090
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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